Asterisk.org: Developer Documentation (30 Apr 2007)

#define ECHOCAN_OFF 124

Definition at line 178 of file isdn_lib.c.

Referenced by manager_ec_disable().

#define ECHOCAN_ON 123

Definition at line 177 of file isdn_lib.c.

Referenced by manager_ec_enable().

#define ISDN_PID_L3_B_USER 0x430000ff

Definition at line 200 of file isdn_lib.c.

Referenced by setup_bc().

#define ISDN_PID_L4_B_USER 0x440000ff

Definition at line 201 of file isdn_lib.c.

Referenced by setup_bc().

#define MAXPROCS 0x100

Definition at line 729 of file isdn_lib.c.

Referenced by create_process().

#define MISDN_DEBUG 0

Definition at line 181 of file isdn_lib.c.

#define MISDN_DSP

#define MISDN_GEN_SILENCE

#define MISDN_IBUF_SIZE 512

Definition at line 204 of file isdn_lib.c.

Referenced by init_bc().

#define TONE_ALERT_CNT 41

Definition at line 207 of file isdn_lib.c.

#define TONE_ALERT_SILENCE_CNT 200

Definition at line 208 of file isdn_lib.c.

#define TONE_BUSY_CNT 20

Definition at line 210 of file isdn_lib.c.

#define TONE_BUSY_SILENCE_CNT 48

Definition at line 211 of file isdn_lib.c.

enum global_states

Enumerator:

MISDN_INITIALIZING
MISDN_INITIALIZED

Definition at line 141 of file isdn_lib.c.

00141                    {
00142    MISDN_INITIALIZING,
00143    MISDN_INITIALIZED
00144 } ;

static void bc_next_state_change	(	struct misdn_bchannel *	bc,
		enum bchannel_state	state
	)			`[static]`

Definition at line 539 of file isdn_lib.c.

References bc_state2str(), cb_log, misdn_bchannel::next_bc_state, and misdn_bchannel::port.

Referenced by misdn_lib_bridge().

00540 {
00541    cb_log(5,bc->port,"BC_NEXT_STATE_CHANGE: from:%s to:%s\n",
00542           bc_state2str(bc->next_bc_state),
00543           bc_state2str(state) );
00544 
00545    bc->next_bc_state=state;
00546 }

char* bc_state2str ( enum bchannel_state state )

Definition at line 490 of file isdn_lib.c.

References BCHAN_ACTIVATED, BCHAN_ACTIVE, BCHAN_BRIDGE, BCHAN_BRIDGED, BCHAN_CLEAN, BCHAN_CLEAN_REQUEST, BCHAN_CLEANED, BCHAN_EMPTY, BCHAN_ERROR, BCHAN_RELEASE, BCHAN_RELEASED, BCHAN_SETUP, BCHAN_SETUPED, and s.

Referenced by bc_next_state_change(), bc_state_change(), cb_events(), handle_bchan(), handle_err(), misdn_lib_send_event(), misdn_lib_split_bridge(), misdn_lib_tx2misdn_frm(), print_bc_info(), and setup_bc().

00490                                               {
00491    int i;
00492    
00493    struct bchan_state_s {
00494       char *n;
00495       enum bchannel_state s;
00496    } states[] = {
00497       {"BCHAN_CLEANED", BCHAN_CLEANED },
00498       {"BCHAN_EMPTY", BCHAN_EMPTY},
00499       {"BCHAN_SETUP", BCHAN_SETUP},
00500       {"BCHAN_SETUPED", BCHAN_SETUPED},
00501       {"BCHAN_ACTIVE", BCHAN_ACTIVE},
00502       {"BCHAN_ACTIVATED", BCHAN_ACTIVATED},
00503       {"BCHAN_BRIDGE",  BCHAN_BRIDGE},
00504       {"BCHAN_BRIDGED", BCHAN_BRIDGED},
00505       {"BCHAN_RELEASE", BCHAN_RELEASE},
00506       {"BCHAN_RELEASED", BCHAN_RELEASED},
00507       {"BCHAN_CLEAN", BCHAN_CLEAN},
00508       {"BCHAN_CLEAN_REQUEST", BCHAN_CLEAN_REQUEST},
00509       {"BCHAN_ERROR", BCHAN_ERROR}
00510    };
00511    
00512    for (i=0; i< sizeof(states)/sizeof(struct bchan_state_s); i++)
00513       if ( states[i].s == state)
00514          return states[i].n;
00515 
00516    return "UNKNOWN";
00517 }

void bc_state_change	(	struct misdn_bchannel *	bc,
		enum bchannel_state	state
	)

Definition at line 519 of file isdn_lib.c.

References misdn_bchannel::bc_state, bc_state2str(), BCHAN_ACTIVATED, BCHAN_BRIDGED, BCHAN_EMPTY, cb_log, misdn_bchannel::conf_id, misdn_bchannel::l3_id, misdn_join_conf(), misdn_bchannel::next_bc_state, and misdn_bchannel::port.

Referenced by clean_up_bc(), handle_bchan(), handle_frm(), init_bc(), manager_bchannel_deactivate(), misdn_join_conf(), misdn_lib_send_event(), misdn_split_conf(), and setup_bc().

00520 {
00521    cb_log(5,bc->port,"BC_STATE_CHANGE: l3id:%x from:%s to:%s\n",
00522       bc->l3_id,
00523           bc_state2str(bc->bc_state),
00524           bc_state2str(state) );
00525    
00526    switch (state) {
00527       case BCHAN_ACTIVATED:
00528          if (bc->next_bc_state ==  BCHAN_BRIDGED) {
00529             misdn_join_conf(bc, bc->conf_id);
00530             bc->next_bc_state = BCHAN_EMPTY;
00531             return;
00532          }
00533       default:
00534          bc->bc_state=state;
00535          break;
00536    }
00537 }

int bchdev_echocancel_activate ( struct misdn_bchannel * dev )

void bchdev_echocancel_deactivate ( struct misdn_bchannel * dev )

static char* bearer2str ( int cap ) [static]

Definition at line 249 of file isdn_lib.c.

References INFO_CAPABILITY_AUDIO_3_1K, INFO_CAPABILITY_DIGITAL_RESTRICTED, INFO_CAPABILITY_DIGITAL_UNRESTRICTED, and INFO_CAPABILITY_SPEECH.

00249                                  {
00250    static char *bearers[]={
00251       "Speech",
00252       "Audio 3.1k",
00253       "Unres Digital",
00254       "Res Digital",
00255       "Unknown Bearer"
00256    };
00257    
00258    switch (cap) {
00259    case INFO_CAPABILITY_SPEECH:
00260       return bearers[0];
00261       break;
00262    case INFO_CAPABILITY_AUDIO_3_1K:
00263       return bearers[1];
00264       break;
00265    case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
00266       return bearers[2];
00267       break;
00268    case INFO_CAPABILITY_DIGITAL_RESTRICTED:
00269       return bearers[3];
00270       break;
00271    default:
00272       return bearers[4];
00273       break;
00274    }
00275 }

static int clean_up_bc ( struct misdn_bchannel * bc ) [static]

Definition at line 643 of file isdn_lib.c.

References misdn_bchannel::b_stid, misdn_stack::bc, misdn_bchannel::bc_state, bc_state_change(), BCHAN_CLEANED, cb_log, get_stack_by_bc(), misdn_bchannel::layer_id, manager_bchannel_deactivate(), manager_ec_disable(), misdn_stack::midev, misdn_bchannel::pid, misdn_stack::port, and misdn_bchannel::port.

Referenced by clear_l3(), handle_bchan(), handle_cr(), handle_event(), handle_event_nt(), manager_event_handler(), misdn_lib_release(), misdn_lib_send_event(), and misdn_lib_setup_bc().

00644 {
00645    int ret=0;
00646    unsigned char buff[32];
00647    struct misdn_stack * stack;
00648 
00649    cb_log(3, bc?bc->port:0, "$$$ CLEANUP CALLED pid:%d\n", bc?bc->pid:-1);
00650    
00651    if (!bc  ) return -1;
00652    stack=get_stack_by_bc(bc);
00653    
00654    if (!stack) return -1;
00655    
00656    switch (bc->bc_state ) {
00657    case BCHAN_CLEANED:
00658       cb_log(5, stack->port, "$$$ Already cleaned up bc with stid :%x\n", bc->b_stid);
00659       return -1;
00660       
00661    default:
00662       break;
00663    }
00664    
00665    cb_log(2, stack->port, "$$$ Cleaning up bc with stid :%x pid:%d\n", bc->b_stid, bc->pid);
00666    
00667    manager_ec_disable(bc);
00668 
00669    manager_bchannel_deactivate(bc);
00670 
00671    mISDN_write_frame(stack->midev, buff, bc->layer_id|FLG_MSG_TARGET|FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
00672    
00673    bc->b_stid = 0;
00674    bc_state_change(bc, BCHAN_CLEANED);
00675    
00676    return ret;
00677 }

static void clear_l3 ( struct misdn_stack * stack ) [static]

Definition at line 681 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, cb_event, clean_up_bc(), empty_bc(), empty_chan_in_stack(), EVENT_CLEANUP, global_state, and MISDN_INITIALIZED.

Referenced by handle_mgmt(), and misdn_lib_port_restart().

00682 {
00683    int i;
00684 
00685    for (i=0; i<=stack->b_num; i++) {
00686       if (global_state == MISDN_INITIALIZED)  {
00687          cb_event(EVENT_CLEANUP, &stack->bc[i], NULL); 
00688          empty_chan_in_stack(stack,i+1);
00689          empty_bc(&stack->bc[i]);
00690          clean_up_bc(&stack->bc[i]);
00691       }
00692       
00693    } 
00694 }

static msg_t* create_l2msg	(	int	prim,
		int	dinfo,
		int	size
	)			`[static]`

Definition at line 308 of file isdn_lib.c.

Referenced by misdn_lib_get_l2_down(), and misdn_lib_get_l2_up().

00309 {
00310    int i = 0;
00311    msg_t *dmsg;
00312   
00313    while(i < 10)
00314    {
00315       dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00316       if (dmsg)
00317          return(dmsg);
00318       
00319       if (!i)
00320          printf("cannot allocate memory, trying again...\n");
00321       i++;
00322       usleep(300000);
00323    }
00324    printf("cannot allocate memory, system overloaded.\n");
00325    exit(-1);
00326 }

msg_t* create_l3msg	(	int	prim,
		int	mt,
		int	dinfo,
		int	size,
		int	ntmode
	)

Definition at line 330 of file isdn_lib.c.

Referenced by build_alerting(), build_connect(), build_connect_acknowledge(), build_disconnect(), build_facility(), build_hold(), build_hold_acknowledge(), build_hold_reject(), build_information(), build_notify(), build_proceeding(), build_progress(), build_release(), build_release_complete(), build_restart(), build_resume(), build_resume_acknowledge(), build_resume_reject(), build_retrieve(), build_retrieve_acknowledge(), build_retrieve_reject(), build_setup(), build_setup_acknowledge(), build_status(), build_status_enquiry(), build_suspend(), build_suspend_acknowledge(), build_suspend_reject(), build_timeout(), build_user_information(), and handle_event_nt().

00331 {
00332    int i = 0;
00333    msg_t *dmsg;
00334    Q931_info_t *qi;
00335    iframe_t *frm;
00336   
00337    if (!ntmode)
00338       size = sizeof(Q931_info_t)+2;
00339   
00340    while(i < 10) {
00341       if (ntmode) {
00342          dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00343          if (dmsg) {
00344             return(dmsg);
00345          }
00346       } else {
00347          dmsg = alloc_msg(size+256+mISDN_HEADER_LEN+DEFAULT_HEADROOM);
00348          if (dmsg)
00349          {
00350             memset(msg_put(dmsg,size+mISDN_HEADER_LEN), 0, size+mISDN_HEADER_LEN);
00351             frm = (iframe_t *)dmsg->data;
00352             frm->prim = prim;
00353             frm->dinfo = dinfo;
00354             qi = (Q931_info_t *)(dmsg->data + mISDN_HEADER_LEN);
00355             qi->type = mt;
00356             return(dmsg);
00357          }
00358       }
00359     
00360       if (!i) printf("cannot allocate memory, trying again...\n");
00361       i++;
00362       usleep(300000);
00363    }
00364    printf("cannot allocate memory, system overloaded.\n");
00365    exit(-1);
00366 }

static int create_process	(	int	midev,
		struct misdn_bchannel *	bc
	)			`[static]`

Definition at line 846 of file isdn_lib.c.

References misdn_stack::bc, cb_log, misdn_bchannel::channel, misdn_bchannel::channel_preselected, entity, find_free_chan_in_stack(), get_stack_by_bc(), misdn_bchannel::l3_id, MAXPROCS, misdn_stack::nt, misdn_stack::port, misdn_stack::procids, misdn_stack::ptp, set_chan_in_stack(), misdn_bchannel::te_choose_channel, and misdn_stack::upper_id.

Referenced by misdn_lib_send_event().

00846                                                                  {
00847    iframe_t ncr;
00848    int l3_id;
00849    int i;
00850    struct misdn_stack *stack=get_stack_by_bc(bc);
00851   
00852    if (stack->nt) {
00853       if (!find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, 0))
00854          return -1;
00855       /*bc->channel=free_chan;*/
00856 
00857       if (set_chan_in_stack(stack ,bc->channel)<0) return -1;
00858       
00859       cb_log(4,stack->port, " -->  found channel: %d\n", bc->channel);
00860     
00861       for (i=0; i <= MAXPROCS; i++)
00862          if (stack->procids[i]==0) break;
00863     
00864       if (i== MAXPROCS) {
00865          cb_log(0, stack->port, "Couldnt Create New ProcId.\n");
00866          return -1;
00867       }
00868       stack->procids[i]=1;
00869 
00870       l3_id = 0xff00 | i;
00871     
00872       ncr.prim = CC_NEW_CR | REQUEST; 
00873 
00874       ncr.addr = (stack->upper_id | FLG_MSG_DOWN)  ;
00875 
00876       ncr.dinfo = l3_id;
00877       ncr.len = 0;
00878 
00879       bc->l3_id = l3_id;
00880       cb_log(3, stack->port, " --> new_l3id %x\n",l3_id);
00881     
00882    } else { 
00883       if (stack->ptp || bc->te_choose_channel) {
00884          /* we know exactly which channels are in use */
00885          if (!find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, 0))
00886             return -1;
00887          /*bc->channel=free_chan;*/
00888          cb_log(2,stack->port, " -->  found channel: %d\n", bc->channel);
00889 
00890          if (set_chan_in_stack(stack ,bc->channel)<0) return -1;
00891       } else {
00892          /* other phones could have made a call also on this port (ptmp) */
00893          bc->channel=0xff;
00894       }
00895     
00896     
00897       /* if we are in te-mode, we need to create a process first */
00898       if (newteid++ > 0xffff)
00899          newteid = 0x0001;
00900     
00901       l3_id = (entity<<16) | newteid;
00902       /* preparing message */
00903       ncr.prim = CC_NEW_CR | REQUEST; 
00904 
00905       ncr.addr = (stack->upper_id | FLG_MSG_DOWN)  ;
00906 
00907       ncr.dinfo =l3_id;
00908       ncr.len = 0;
00909       /* send message */
00910 
00911       bc->l3_id = l3_id;
00912       cb_log(3, stack->port, "--> new_l3id %x\n",l3_id);
00913     
00914       mISDN_write(midev, &ncr, mISDN_HEADER_LEN+ncr.len, TIMEOUT_1SEC);
00915    }
00916   
00917    return l3_id;
00918 }

static int do_tone	(	struct misdn_bchannel *	bc,
		int	len
	)			`[static]`

Definition at line 2178 of file isdn_lib.c.

References cb_event, EVENT_TONE_GENERATE, misdn_bchannel::generate_tone, glob_mgr, misdn_tx_jitter(), misdn_bchannel::nojitter, misdn_bchannel::tone_cnt, and misdn_lib::user_data.

Referenced by handle_bchan().

02179 {
02180    bc->tone_cnt=len;
02181    
02182    if (bc->generate_tone) {
02183       cb_event(EVENT_TONE_GENERATE, bc, glob_mgr->user_data);
02184       
02185       if ( !bc->nojitter ) {
02186          misdn_tx_jitter(bc,len);
02187       }
02188       
02189       return 1;
02190    }
02191    
02192    return 0;
02193 }

static void dump_chan_list ( struct misdn_stack * stack ) [static]

Definition at line 422 of file isdn_lib.c.

References misdn_stack::b_num, cb_log, misdn_stack::channels, and misdn_stack::port.

Referenced by empty_chan_in_stack(), handle_cr(), and set_chan_in_stack().

00423 {
00424    int i;
00425 
00426    for (i=0; i <= stack->b_num; i++) {
00427       cb_log(6, stack->port, "Idx:%d stack->cchan:%d Chan:%d\n",i,stack->channels[i], i+1);
00428    }
00429 }

void ec_chunk	(	struct misdn_bchannel *	bc,
		unsigned char *	rxchunk,
		unsigned char *	txchunk,
		int	chunk_size
	)

static void empty_bc ( struct misdn_bchannel * bc ) [static]

Definition at line 549 of file isdn_lib.c.

References misdn_bchannel::active, misdn_bchannel::bframe_len, misdn_bchannel::cad, misdn_bchannel::capability, misdn_bchannel::cause, misdn_bchannel::channel, misdn_bchannel::conf_id, misdn_bchannel::cpnnumplan, misdn_bchannel::crypt, misdn_bchannel::crypt_key, misdn_bchannel::curprx, misdn_bchannel::curptx, misdn_bchannel::cw, misdn_bchannel::dad, misdn_bchannel::dec, misdn_bchannel::display, misdn_bchannel::dnumplan, misdn_bchannel::early_bconnect, misdn_bchannel::ec_deftaps, misdn_bchannel::ec_enable, EVENT_NOTHING, misdn_bchannel::evq, misdn_bchannel::fac_in, misdn_bchannel::fac_out, misdn_bchannel::generate_tone, misdn_bchannel::hdlc, misdn_bchannel::in_use, INFO_CAPABILITY_SPEECH, INFO_CODEC_ALAW, misdn_bchannel::info_dad, misdn_bchannel::infos_pending, misdn_bchannel::law, misdn_bchannel::mode, misdn_bchannel::need_more_infos, misdn_bchannel::nodsp, misdn_bchannel::nojitter, NUMPLAN_UNKNOWN, misdn_bchannel::oad, misdn_bchannel::onumplan, misdn_bchannel::orig, misdn_bchannel::orig_dad, misdn_bchannel::out_cause, misdn_bchannel::pres, misdn_bchannel::progress_coding, misdn_bchannel::progress_indicator, misdn_bchannel::progress_location, misdn_bchannel::rad, misdn_bchannel::rate, misdn_bchannel::restart_channel, misdn_bchannel::rnumplan, misdn_bchannel::rxgain, misdn_bchannel::send_dtmf, misdn_bchannel::sending_complete, misdn_bchannel::te_choose_channel, misdn_bchannel::time_usec, misdn_bchannel::tone_cnt, misdn_bchannel::txgain, misdn_bchannel::urate, misdn_bchannel::user1, misdn_bchannel::uu, and misdn_bchannel::uulen.

Referenced by clear_l3(), handle_cr(), handle_event(), handle_event_nt(), handle_frm(), init_bc(), manager_clean_bc(), misdn_lib_release(), and misdn_lib_send_event().

00550 {
00551    bc->bframe_len=0;
00552    
00553 
00554    bc->in_use= 0;
00555    bc->cw= 0;
00556 
00557    bc->dec=0;
00558    bc->channel = 0;
00559 
00560    bc->sending_complete = 0;
00561 
00562    bc->restart_channel=0;
00563    
00564    bc->conf_id = 0;
00565 
00566    bc->need_more_infos = 0;
00567    
00568    bc->send_dtmf=0;
00569    bc->nodsp=0;
00570    bc->nojitter=0;
00571 
00572    bc->time_usec=0;
00573    
00574    bc->rxgain=0;
00575    bc->txgain=0;
00576 
00577    bc->crypt=0;
00578    bc->curptx=0; bc->curprx=0;
00579    
00580    bc->crypt_key[0] = 0;
00581    
00582    bc->generate_tone=0;
00583    bc->tone_cnt=0;
00584   
00585    bc->dnumplan=NUMPLAN_UNKNOWN;
00586    bc->onumplan=NUMPLAN_UNKNOWN;
00587    bc->rnumplan=NUMPLAN_UNKNOWN;
00588    bc->cpnnumplan=NUMPLAN_UNKNOWN;
00589    
00590 
00591    bc->active = 0;
00592 
00593    bc->early_bconnect = 1;
00594    
00595 #ifdef MISDN_1_2
00596    *bc->pipeline = 0;
00597 #else
00598    bc->ec_enable = 0;
00599    bc->ec_deftaps = 128;
00600 #endif
00601 
00602    bc->orig=0;
00603   
00604    bc->cause=16;
00605    bc->out_cause=16;
00606    bc->pres=0 ; /* screened */
00607    
00608    bc->evq=EVENT_NOTHING;
00609 
00610    bc->progress_coding=0;
00611    bc->progress_location=0;
00612    bc->progress_indicator=0;
00613    
00614 /** Set Default Bearer Caps **/
00615    bc->capability=INFO_CAPABILITY_SPEECH;
00616    bc->law=INFO_CODEC_ALAW;
00617    bc->mode=0;
00618    bc->rate=0x10;
00619    bc->user1=0;
00620    bc->urate=0;
00621    
00622    bc->hdlc=0;
00623    
00624    
00625    bc->info_dad[0] = 0;
00626    bc->display[0] = 0;
00627    bc->infos_pending[0] = 0;
00628    bc->cad[0] = 0;
00629    bc->oad[0] = 0;
00630    bc->dad[0] = 0;
00631    bc->rad[0] = 0;
00632    bc->orig_dad[0] = 0;
00633    bc->uu[0]=0;
00634    bc->uulen=0;
00635    
00636    bc->fac_in.Function = Fac_None;
00637    bc->fac_out.Function = Fac_None;
00638    
00639    bc->te_choose_channel = 0;
00640 }

static int empty_chan_in_stack	(	struct misdn_stack *	stack,
		int	channel
	)			`[static]`

Definition at line 477 of file isdn_lib.c.

References cb_log, misdn_stack::channels, dump_chan_list(), MAX_BCHANS, and misdn_stack::port.

Referenced by clear_l3(), handle_cr(), handle_event(), handle_event_nt(), handle_frm(), manager_clean_bc(), misdn_lib_release(), and misdn_lib_send_event().

00478 {
00479    if (channel<=0 || channel>MAX_BCHANS) {
00480       cb_log(0,stack?stack->port:0, "empty_chan_in_stack: cannot empty channel %d\n",channel);
00481       return -1;
00482    }
00483    
00484    cb_log (4, stack?stack->port:0, "empty_chan_in_stack: %d\n",channel); 
00485    stack->channels[channel-1] = 0;
00486    dump_chan_list(stack);
00487    return 0;
00488 }

static char* fac2str ( enum FacFunction func ) [static]

Definition at line 3142 of file isdn_lib.c.

References s.

Referenced by misdn_lib_log_ies().

03143 {
03144    struct arr_el { 
03145       enum FacFunction p; 
03146       char *s ; 
03147    } arr[] = {
03148       { Fac_None, "Fac_None" },
03149       { Fac_CD, "Fac_CD"},
03150    };
03151    
03152    int i;
03153    
03154    for (i=0; i < sizeof(arr)/sizeof( struct arr_el) ; i ++)
03155       if ( arr[i].p==func) return arr[i].s;
03156    
03157    return "unknown";
03158 }

static msg_t* fetch_msg ( int midev ) [static]

Definition at line 2880 of file isdn_lib.c.

References cb_log.

Referenced by misdn_lib_isdn_event_catcher().

02881 {
02882    msg_t *msg=alloc_msg(MAX_MSG_SIZE);
02883    int r;
02884 
02885    if (!msg) {
02886       cb_log(0, 0, "fetch_msg: alloc msg failed !!");
02887       return NULL;
02888    }
02889 
02890    AGAIN:
02891       r=mISDN_read(midev,msg->data,MAX_MSG_SIZE, TIMEOUT_10SEC);
02892       msg->len=r;
02893     
02894       if (r==0) {
02895          free_msg(msg); /* danger, cauz usualy freeing in main_loop */
02896          cb_log(6,0,"Got empty Msg..\n");
02897          return NULL;
02898       }
02899 
02900       if (r<0) {
02901          if (errno == EAGAIN) {
02902             /*we wait for mISDN here*/
02903             cb_log(4,0,"mISDN_read wants us to wait\n");
02904             usleep(5000);
02905             goto AGAIN;
02906          }
02907          
02908          cb_log(0,0,"mISDN_read returned :%d error:%s (%d)\n",r,strerror(errno),errno); 
02909       }
02910 
02911 #if 0
02912                if  (!(frm->prim == (DL_DATA|INDICATION) )|| (frm->prim == (PH_DATA|INDICATION)))
02913                        cb_log(0,0,"prim: %x dinfo:%x addr:%x msglen:%d frm->len:%d\n",frm->prim, frm->dinfo, frm->addr, msg->len,frm->len );
02914 #endif
02915       return msg;
02916 }

static struct misdn_bchannel* find_bc_by_addr ( unsigned long addr ) [static]

Definition at line 1435 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::b_num, misdn_stack::bc, glob_mgr, misdn_bchannel::layer_id, misdn_stack::next, and misdn_lib::stack_list.

Referenced by handle_bchan().

01436 {
01437    struct misdn_stack* stack;
01438    int i;
01439 
01440    for (stack=glob_mgr->stack_list;
01441         stack;
01442         stack=stack->next) {
01443       for (i=0; i<=stack->b_num; i++) {
01444          if ( (stack->bc[i].addr&STACK_ID_MASK)==(addr&STACK_ID_MASK) ||  stack->bc[i].layer_id== addr ) {
01445             return &stack->bc[i];
01446          }
01447       }
01448    }
01449    
01450    return NULL;
01451 }

static struct misdn_bchannel* find_bc_by_channel	(	int	port,
		int	channel
	)			`[static]`

Definition at line 1471 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::channel, and find_stack_by_port().

Referenced by handle_err().

01472 {
01473    struct misdn_stack* stack=find_stack_by_port(port);
01474    int i;
01475 
01476    if (!stack) return NULL;   
01477    
01478    for (i=0; i<=stack->b_num; i++) {
01479       if ( stack->bc[i].channel== channel ) {
01480          return &stack->bc[i];
01481       }
01482    }
01483       
01484    return NULL;
01485 }

struct misdn_bchannel * find_bc_by_confid ( unsigned long confid )

Definition at line 1453 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::conf_id, glob_mgr, misdn_stack::next, and misdn_lib::stack_list.

Referenced by misdn_lib_send_event().

01454 {
01455    struct misdn_stack* stack;
01456    int i;
01457    
01458    for (stack=glob_mgr->stack_list;
01459         stack;
01460         stack=stack->next) {
01461       for (i=0; i<=stack->b_num; i++) {
01462          if ( stack->bc[i].conf_id==confid ) {
01463             return &stack->bc[i];
01464          }
01465       }
01466    }
01467    return NULL;
01468 }

struct misdn_bchannel * find_bc_by_l3id	(	struct misdn_stack *	stack,
		unsigned long	l3id
	)

Definition at line 1416 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::l3_id, and stack_holder_find().

Referenced by handle_cr(), handle_event_nt(), handle_frm(), and manager_event_handler().

01417 {
01418    int i;
01419    for (i=0; i<=stack->b_num; i++) {
01420       if (stack->bc[i].l3_id == l3id) return &stack->bc[i] ;
01421    }
01422    return stack_holder_find(stack,l3id);
01423 }

static struct misdn_bchannel* find_bc_by_masked_l3id	(	struct misdn_stack *	stack,
		unsigned long	l3id,
		unsigned long	mask
	)			`[static]`

Definition at line 1406 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::l3_id, and stack_holder_find().

Referenced by handle_event_nt().

01407 {
01408    int i;
01409    for (i=0; i<=stack->b_num; i++) {
01410       if ( (stack->bc[i].l3_id & mask)  ==  (l3id & mask)) return &stack->bc[i] ;
01411    }
01412    return stack_holder_find(stack,l3id);
01413 }

static struct misdn_bchannel* find_bc_holded ( struct misdn_stack * stack ) [static]

Definition at line 1425 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, and misdn_bchannel::holded.

Referenced by manager_find_bc_holded().

01426 {
01427    int i;
01428    for (i=0; i<=stack->b_num; i++) {
01429       if (stack->bc[i].holded ) return &stack->bc[i] ;
01430    }
01431    return NULL;
01432 }

static int find_free_chan_in_stack	(	struct misdn_stack *	stack,
		struct misdn_bchannel *	bc,
		int	channel,
		int	dec
	)			`[static]`

Definition at line 434 of file isdn_lib.c.

References misdn_stack::b_num, cb_log, misdn_bchannel::channel, misdn_stack::channels, MAX_BCHANS, misdn_stack::port, and misdn_stack::pri.

Referenced by create_process(), handle_event(), handle_event_nt(), and misdn_lib_send_event().

00435 {
00436    int i;
00437 
00438    cb_log(5,stack->port,"find_free_chan: req_chan:%d\n",channel);
00439 
00440    if (channel < 0 || channel > MAX_BCHANS) {
00441       cb_log(0, stack->port, " !! out of bound call to find_free_chan_in_stack! (ch:%d)\n", channel);
00442       return 0;
00443    }
00444    
00445    channel--;
00446 
00447    int bnums=stack->pri?stack->b_num:stack->b_num-1;
00448  
00449    if (dec) {
00450       for (i = bnums; i >=0; i--) {
00451          if (i != 15 && (channel < 0 || i == channel)) { /* skip E1 Dchannel ;) and work with chan preselection */
00452             if (!stack->channels[i]) {
00453                cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00454                bc->channel=i+1;
00455                return i+1;
00456             }
00457          }
00458       }
00459    } else {
00460       for (i = 0; i <= bnums; i++) {
00461          if (i != 15 && (channel < 0 || i == channel)) { /* skip E1 Dchannel ;) and work with chan preselection */
00462             if (!stack->channels[i]) {
00463                cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00464                bc->channel=i+1;
00465                return i+1;
00466             }
00467          }
00468       }
00469    }
00470 
00471    cb_log (1, stack->port, " !! NO FREE CHAN IN STACK\n");
00472    dump_chan_list(stack);
00473   
00474    return 0;
00475 }

static struct misdn_stack* find_stack_by_addr ( int addr ) [static]

Definition at line 1367 of file isdn_lib.c.

References glob_mgr, misdn_stack::next, misdn_lib::stack_list, and misdn_stack::upper_id.

Referenced by handle_frm(), handle_frm_nt(), handle_l1(), handle_l2(), and handle_mgmt().

01368 {
01369    struct misdn_stack *stack;
01370    
01371    for (stack=glob_mgr->stack_list;
01372         stack;
01373         stack=stack->next) {
01374       if ( (stack->upper_id&STACK_ID_MASK) == (addr&STACK_ID_MASK)) return stack;
01375 
01376    }
01377   
01378    return NULL;
01379 }

static struct misdn_stack* find_stack_by_mgr ( manager_t * mgr_nt ) [static]

Definition at line 1394 of file isdn_lib.c.

References glob_mgr, misdn_stack::mgr, misdn_stack::next, and misdn_lib::stack_list.

Referenced by handle_event_nt().

01395 {
01396    struct misdn_stack *stack;
01397   
01398    for (stack=glob_mgr->stack_list;
01399         stack;
01400         stack=stack->next) 
01401       if ( &stack->mgr == mgr_nt) return stack;
01402   
01403    return NULL;
01404 }

static struct misdn_stack* find_stack_by_port ( int port ) [static]

Definition at line 1382 of file isdn_lib.c.

References glob_mgr, misdn_stack::next, misdn_stack::port, and misdn_lib::stack_list.

Referenced by find_bc_by_channel(), handle_err(), manager_event_handler(), misdn_lib_get_port_info(), misdn_lib_port_restart(), misdn_lib_reinit_nt_stack(), and misdn_lib_send_restart().

01383 {
01384    struct misdn_stack *stack;
01385   
01386    for (stack=glob_mgr->stack_list;
01387         stack;
01388         stack=stack->next) 
01389       if (stack->port == port) return stack;
01390   
01391    return NULL;
01392 }

static char* flip_buf_bits	(	char *	buf,
		int	len
	)			`[static]`

Definition at line 293 of file isdn_lib.c.

References flip_table.

Referenced by handle_bchan(), misdn_lib_init(), misdn_lib_tx2misdn_frm(), and misdn_tx_jitter().

00294 {
00295    int i;
00296    char * start = buf;
00297    
00298    for (i = 0 ; i < len; i++) {
00299       buf[i] = flip_table[(unsigned char)buf[i]];
00300    }
00301    
00302    return start;
00303 }

struct misdn_stack * get_misdn_stack ( void )

Definition at line 4356 of file isdn_lib.c.

References glob_mgr, and misdn_lib::stack_list.

Referenced by get_show_stack_details(), get_stack_by_bc(), misdn_lib_get_maxchans(), misdn_lib_is_port_blocked(), misdn_lib_is_ptp(), misdn_lib_port_block(), misdn_lib_port_is_pri(), and misdn_lib_port_unblock().

04356                                       {
04357    return glob_mgr->stack_list;
04358 }

void get_show_stack_details	(	int	port,
		char *	buf
	)

Definition at line 121 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, and misdn_stack::port.

Referenced by misdn_show_port(), and misdn_show_stacks().

00122 {
00123    struct misdn_stack *stack=get_misdn_stack();
00124    
00125    for ( ; stack; stack=stack->next) {
00126       if (stack->port == port) break;
00127    }
00128    
00129    if (stack) {
00130       sprintf(buf, "* Port %d Type %s Prot. %s L2Link %s L1Link:%s Blocked:%d", stack->port, stack->nt?"NT":"TE", stack->ptp?"PTP":"PMP", stack->l2link?"UP":"DOWN", stack->l1link?"UP":"DOWN",stack->blocked);
00131 
00132    } else {
00133       buf[0]=0;
00134    }
00135    
00136 }

struct misdn_stack* get_stack_by_bc ( struct misdn_bchannel * bc )

Definition at line 104 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, get_misdn_stack(), misdn_stack::next, misdn_bchannel::port, and misdn_stack::port.

Referenced by clean_up_bc(), create_process(), dec_ie_channel_id(), enc_ie_channel_id(), handle_bchan(), handle_event(), manager_bchannel_activate(), manager_bchannel_deactivate(), manager_clean_bc(), manager_ec_disable(), manager_ec_enable(), manager_find_bc_holded(), misdn_lib_log_ies(), misdn_lib_release(), misdn_lib_send_event(), misdn_lib_tx2misdn_frm(), parse_release_complete(), parse_restart(), send_msg(), and setup_bc().

00105 {
00106    struct misdn_stack *stack=get_misdn_stack();
00107 
00108    if (!bc) return NULL;
00109    
00110    for ( ; stack; stack=stack->next) {
00111       int i;
00112       for (i=0; i <=stack->b_num; i++) {
00113          if ( bc->port == stack->port) return stack;
00114       }
00115    }
00116 
00117    return NULL;
00118 }

static int handle_bchan ( msg_t * msg ) [static]

Definition at line 2281 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::b_stid, misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), bc_state_change(), BCHAN_ACTIVATED, BCHAN_CLEAN_REQUEST, BCHAN_SETUP, BCHAN_SETUPED, misdn_bchannel::bframe, misdn_bchannel::bframe_len, misdn_bchannel::capability, cb_event, cb_log, misdn_bchannel::channel, clean_up_bc(), misdn_bchannel::dad, misdn_bchannel::dnumplan, do_tone(), misdn_bchannel::dtmf, EVENT_BCHAN_DATA, EVENT_DTMF_TONE, find_bc_by_addr(), flip_buf_bits(), get_stack_by_bc(), glob_mgr, misdn_bchannel::layer, misdn_stack::midev, misdn_cap_is_speech(), misdn_tx_jitter(), misdn_bchannel::nojitter, misdn_bchannel::oad, misdn_bchannel::onumplan, misdn_bchannel::pid, misdn_stack::port, misdn_bchannel::port, t, and misdn_lib::user_data.

Referenced by handle_err(), and manager_isdn_handler().

02282 {
02283    iframe_t *frm= (iframe_t*)msg->data;
02284 
02285 
02286    struct misdn_bchannel *bc=find_bc_by_addr(frm->addr);
02287    
02288    if (!bc) {
02289       cb_log(1,0,"handle_bchan: BC not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo);
02290       return 0 ;
02291    }
02292    
02293    struct misdn_stack *stack=get_stack_by_bc(bc);
02294    
02295    if (!stack) {
02296       cb_log(0, bc->port,"handle_bchan: STACK not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo);
02297       return 0;
02298    }
02299    
02300    switch (frm->prim) {
02301 
02302    case MGR_SETSTACK| CONFIRM:
02303       cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|CONFIRM pid:%d\n",bc->pid);
02304       break;
02305       
02306    case MGR_SETSTACK| INDICATION:
02307       cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|IND pid:%d\n",bc->pid);
02308    break;
02309 #if 0
02310    AGAIN:
02311       bc->addr = mISDN_get_layerid(stack->midev, bc->b_stid, bc->layer);
02312       if (!bc->addr) {
02313 
02314          if (errno == EAGAIN) {
02315             usleep(1000);
02316             goto AGAIN;
02317          }
02318          
02319          cb_log(0,stack->port,"$$$ Get Layer (%d) Id Error: %s\n",bc->layer,strerror(errno));
02320          
02321          /* we kill the channel later, when we received some
02322             data. */
02323          bc->addr= frm->addr;
02324       } else if ( bc->addr < 0) {
02325          cb_log(0, stack->port,"$$$ bc->addr <0 Error:%s\n",strerror(errno));
02326          bc->addr=0;
02327       }
02328       
02329       cb_log(4, stack->port," --> Got Adr %x\n", bc->addr);
02330 
02331       free_msg(msg);
02332    
02333       
02334       switch(bc->bc_state) {
02335       case BCHAN_SETUP:
02336          bc_state_change(bc,BCHAN_SETUPED);
02337       break;
02338 
02339       case BCHAN_CLEAN_REQUEST:
02340       default:
02341          cb_log(0, stack->port," --> STATE WASN'T SETUP (but %s) in SETSTACK|IND pid:%d\n",bc_state2str(bc->bc_state), bc->pid);
02342          clean_up_bc(bc);
02343       }
02344       return 1;
02345 #endif
02346 
02347    case MGR_DELLAYER| INDICATION:
02348       cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|IND pid:%d\n",bc->pid);
02349       break;
02350       
02351    case MGR_DELLAYER| CONFIRM:
02352       cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|CNF pid:%d\n",bc->pid);
02353       
02354       bc->pid=0;
02355       bc->addr=0;
02356       
02357       free_msg(msg);
02358       return 1;
02359       
02360    case PH_ACTIVATE | INDICATION:
02361    case DL_ESTABLISH | INDICATION:
02362       cb_log(3, stack->port, "BCHAN: ACT Ind pid:%d\n", bc->pid);
02363 
02364       free_msg(msg);
02365       return 1;    
02366 
02367    case PH_ACTIVATE | CONFIRM:
02368    case DL_ESTABLISH | CONFIRM:
02369       
02370       cb_log(3, stack->port, "BCHAN: bchan ACT Confirm pid:%d\n",bc->pid);
02371       free_msg(msg);
02372       
02373       return 1;    
02374 
02375    case DL_ESTABLISH | REQUEST:
02376       {
02377          char buf[128];
02378          mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN,  DL_ESTABLISH | CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02379       }
02380       free_msg(msg);
02381       return 1;
02382 
02383    case DL_RELEASE|REQUEST:
02384       {
02385          char buf[128];
02386          mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN,  DL_RELEASE| CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02387       }
02388       free_msg(msg);
02389       return 1;
02390       
02391    case PH_DEACTIVATE | INDICATION:
02392    case DL_RELEASE | INDICATION:
02393       cb_log (3, stack->port, "BCHAN: DeACT Ind pid:%d\n",bc->pid);
02394       
02395       free_msg(msg);
02396       return 1;
02397     
02398    case PH_DEACTIVATE | CONFIRM:
02399    case DL_RELEASE | CONFIRM:
02400       cb_log(3, stack->port, "BCHAN: DeACT Conf pid:%d\n",bc->pid);
02401       
02402       free_msg(msg);
02403       return 1;
02404     
02405    case PH_CONTROL|INDICATION:
02406    {
02407       unsigned int cont = *((unsigned int *)&frm->data.p);
02408       
02409       cb_log(4, stack->port, "PH_CONTROL: channel:%d oad%d:%s dad%d:%s \n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
02410 
02411       if ((cont&~DTMF_TONE_MASK) == DTMF_TONE_VAL) {
02412          int dtmf = cont & DTMF_TONE_MASK;
02413          cb_log(4, stack->port, " --> DTMF TONE: %c\n",dtmf);
02414          bc->dtmf=dtmf;
02415          cb_event(EVENT_DTMF_TONE, bc, glob_mgr->user_data);
02416    
02417          free_msg(msg);
02418          return 1;
02419       }
02420       if (cont == BF_REJECT) {
02421          cb_log(4, stack->port, " --> BF REJECT\n");
02422          free_msg(msg);
02423          return 1;
02424       }
02425       if (cont == BF_ACCEPT) {
02426          cb_log(4, stack->port, " --> BF ACCEPT\n");
02427          free_msg(msg);
02428          return 1;
02429       }
02430    }
02431    break;
02432 
02433    case PH_DATA|REQUEST:
02434    case DL_DATA|REQUEST:
02435       cb_log(0, stack->port, "DL_DATA REQUEST \n");
02436       do_tone(bc, 64);
02437       
02438       free_msg(msg);
02439       return 1;
02440    
02441    
02442    case PH_DATA|INDICATION:
02443    case DL_DATA|INDICATION:
02444    {
02445       bc->bframe = (void*)&frm->data.i;
02446       bc->bframe_len = frm->len;
02447 
02448       /** Anyway flip the bufbits **/
02449       if ( misdn_cap_is_speech(bc->capability) ) 
02450          flip_buf_bits(bc->bframe, bc->bframe_len);
02451    
02452 
02453       if (!bc->bframe_len) {
02454          cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02455          free_msg(msg);
02456          return 1;
02457       }
02458 
02459       if ( (bc->addr&STACK_ID_MASK) != (frm->addr&STACK_ID_MASK) ) {
02460          cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02461          free_msg(msg);
02462          return 1;
02463       }
02464       
02465 #if MISDN_DEBUG
02466       cb_log(0, stack->port, "DL_DATA INDICATION Len %d\n", frm->len);
02467 
02468 #endif
02469       
02470       if ( (bc->bc_state == BCHAN_ACTIVATED) && frm->len > 0) {
02471          int t;
02472 
02473 #ifdef MISDN_B_DEBUG
02474          cb_log(0,bc->port,"do_tone START\n");
02475 #endif
02476          t=do_tone(bc,frm->len);
02477 
02478 #ifdef MISDN_B_DEBUG
02479          cb_log(0,bc->port,"do_tone STOP (%d)\n",t);
02480 #endif
02481          if (  !t ) {
02482             
02483             if ( misdn_cap_is_speech(bc->capability)) {
02484                if ( !bc->nojitter ) {
02485 #ifdef MISDN_B_DEBUG
02486                   cb_log(0,bc->port,"tx_jitter START\n");
02487 #endif
02488                   misdn_tx_jitter(bc,frm->len);
02489 #ifdef MISDN_B_DEBUG
02490                   cb_log(0,bc->port,"tx_jitter STOP\n");
02491 #endif
02492                }
02493             }
02494 
02495 #ifdef MISDN_B_DEBUG 
02496             cb_log(0,bc->port,"EVENT_B_DATA START\n");
02497 #endif
02498             
02499             int i=cb_event( EVENT_BCHAN_DATA, bc, glob_mgr->user_data);
02500 #ifdef MISDN_B_DEBUG 
02501             cb_log(0,bc->port,"EVENT_B_DATA STOP\n");
02502 #endif
02503             
02504             if (i<0) {
02505                cb_log(10,stack->port,"cb_event returned <0\n");
02506                /*clean_up_bc(bc);*/
02507             }
02508          }
02509       }
02510       free_msg(msg);
02511       return 1;
02512    }
02513 
02514 
02515    case PH_CONTROL | CONFIRM:
02516       cb_log(4, stack->port, "PH_CONTROL|CNF bc->addr:%x\n", frm->addr);
02517       free_msg(msg);
02518       return 1;
02519 
02520    case PH_DATA | CONFIRM:
02521    case DL_DATA|CONFIRM:
02522 #if MISDN_DEBUG
02523 
02524       cb_log(0, stack->port, "Data confirmed\n");
02525 
02526 #endif
02527       free_msg(msg);
02528       return 1;
02529    case DL_DATA|RESPONSE:
02530 #if MISDN_DEBUG
02531       cb_log(0, stack->port, "Data response\n");
02532 
02533 #endif
02534       break;
02535    }
02536   
02537    return 0;
02538 }

static int handle_cr	(	struct misdn_stack *	stack,
		iframe_t *	frm
	)			`[static]`

Definition at line 1566 of file isdn_lib.c.

References cb_event, cb_log, misdn_bchannel::channel, clean_up_bc(), dump_chan_list(), empty_bc(), empty_chan_in_stack(), EVENT_CLEANUP, find_bc_by_l3id(), free, glob_mgr, misdn_bchannel::l3_id, misdn_lib_get_free_bc(), misdn_bchannel::need_disconnect, misdn_bchannel::need_release, misdn_bchannel::need_release_complete, misdn_stack::nt, misdn_stack::port, misdn_bchannel::stack_holder, stack_holder_remove(), and misdn_lib::user_data.

Referenced by handle_event_nt(), and handle_frm().

01567 {
01568    if (!stack) return -1;
01569   
01570    switch (frm->prim) {
01571    case CC_NEW_CR|INDICATION:
01572       cb_log(7, stack->port, " --> lib: NEW_CR Ind with l3id:%x on this port.\n",frm->dinfo);
01573 
01574       struct misdn_bchannel* bc=misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01575       if (!bc) {
01576          cb_log(0, stack->port, " --> !! lib: No free channel!\n");
01577          return -1;
01578       }
01579   
01580       cb_log(7, stack->port, " --> new_process: New L3Id: %x\n",frm->dinfo);
01581       bc->l3_id=frm->dinfo;
01582       return 1;
01583    case CC_NEW_CR|CONFIRM:
01584       return 1;
01585    case CC_NEW_CR|REQUEST:
01586       return 1;
01587    case CC_RELEASE_CR|REQUEST:
01588       return 1;
01589    case CC_RELEASE_CR|CONFIRM:
01590       break;
01591    case CC_RELEASE_CR|INDICATION:
01592       cb_log(4, stack->port, " --> lib: RELEASE_CR Ind with l3id:%x\n",frm->dinfo);
01593       {
01594          struct misdn_bchannel *bc=find_bc_by_l3id(stack, frm->dinfo);
01595          struct misdn_bchannel dummybc;
01596       
01597          if (!bc) {
01598             cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
01599             memset (&dummybc,0,sizeof(dummybc));
01600             dummybc.port=stack->port;
01601             dummybc.l3_id=frm->dinfo;
01602             dummybc.nt=stack->nt;
01603             bc=&dummybc; 
01604          }
01605       
01606          if (bc) {
01607             cb_log(4, stack->port, " --> lib: CLEANING UP l3id: %x\n",frm->dinfo);
01608             if (bc->channel>0)
01609                empty_chan_in_stack(stack,bc->channel);
01610             empty_bc(bc);
01611             
01612             clean_up_bc(bc);
01613             
01614             dump_chan_list(stack);
01615             /*bc->pid = 0;*/
01616             bc->need_disconnect=0;
01617             bc->need_release=0;
01618             bc->need_release_complete=0;
01619             
01620             cb_event(EVENT_CLEANUP, bc, glob_mgr->user_data);
01621             if (bc->stack_holder) {
01622                cb_log(4,stack->port, "REMOVEING Holder\n");
01623                stack_holder_remove( stack, bc);
01624                free(bc);
01625             }
01626          }
01627          else {
01628             if (stack->nt) 
01629                cb_log(4, stack->port, "BC with dinfo: %x  not found.. (prim was %x and addr %x)\n",frm->dinfo, frm->prim, frm->addr);
01630          }
01631       
01632          return 1;
01633       }
01634       break;
01635    }
01636   
01637    return 0;
01638 }

static int handle_err ( msg_t * msg ) [static]

Definition at line 3411 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), cb_log, find_bc_by_channel(), find_stack_by_port(), handle_bchan(), misdn_stack::l1link, misdn_stack::l2link, misdn_lib_get_l1_down(), misdn_lib_get_l2_down(), and misdn_bchannel::port.

Referenced by manager_isdn_handler().

03412 {
03413    iframe_t *frm = (iframe_t*) msg->data;
03414 
03415 
03416    if (!frm->addr) {
03417       static int cnt=0;
03418       if (!cnt)
03419          cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x\n",frm->prim,frm->dinfo);
03420       cnt++;
03421       if (cnt>100) {
03422          cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x (already more than 100 of them)\n",frm->prim,frm->dinfo);
03423          cnt=0;
03424       }
03425       
03426       free_msg(msg);
03427       return 1;
03428       
03429    }
03430    
03431    switch (frm->prim) {
03432       case MGR_SETSTACK|INDICATION:
03433          return handle_bchan(msg);
03434       break;
03435 
03436       case MGR_SETSTACK|CONFIRM:
03437       case MGR_CLEARSTACK|CONFIRM:
03438          free_msg(msg) ; 
03439          return 1;
03440       break;
03441 
03442       case DL_DATA|CONFIRM:
03443          cb_log(4,0,"DL_DATA|CONFIRM\n");
03444          free_msg(msg);
03445          return 1;
03446 
03447       case PH_CONTROL|CONFIRM:
03448          cb_log(4,0,"PH_CONTROL|CONFIRM\n");
03449          free_msg(msg);
03450          return 1;
03451 
03452       case DL_DATA|INDICATION:
03453       {
03454          int port=(frm->addr&MASTER_ID_MASK) >> 8;
03455          int channel=(frm->addr&CHILD_ID_MASK) >> 16;
03456 
03457          /*we flush the read buffer here*/
03458          
03459          cb_log(9,0,"BCHAN DATA without BC: addr:%x port:%d channel:%d\n",frm->addr, port,channel);
03460          
03461          free_msg(msg) ; 
03462          return 1;
03463          
03464          
03465          struct misdn_bchannel *bc=find_bc_by_channel( port , channel);
03466 
03467          if (!bc) {
03468             struct misdn_stack *stack=find_stack_by_port( port );
03469 
03470             if (!stack) {
03471                cb_log(0,0," --> stack not found\n");
03472                free_msg(msg);
03473                return 1;
03474             }
03475             
03476             cb_log(0,0," --> bc not found by channel\n");
03477             if (stack->l2link)
03478                misdn_lib_get_l2_down(stack);
03479 
03480             if (stack->l1link)
03481                misdn_lib_get_l1_down(stack);
03482 
03483             free_msg(msg);
03484             return 1;
03485          }
03486          
03487          cb_log(3,port," --> BC in state:%s\n", bc_state2str(bc->bc_state));
03488       }
03489    }
03490 
03491    return 0;
03492 }

static int handle_event	(	struct misdn_bchannel *	bc,
		enum event_e	event,
		iframe_t *	frm
	)			`[static]`

Definition at line 1491 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::capability, misdn_bchannel::cause, cb_log, misdn_bchannel::channel, clean_up_bc(), misdn_bchannel::crypt_key, misdn_bchannel::dad, misdn_bchannel::dnumplan, empty_bc(), empty_chan_in_stack(), EVENT_ALERTING, EVENT_CONNECT, EVENT_CONNECT_ACKNOWLEDGE, EVENT_PROCEEDING, EVENT_PROGRESS, EVENT_RELEASE, EVENT_RELEASE_COMPLETE, EVENT_SETUP, EVENT_SETUP_ACKNOWLEDGE, find_free_chan_in_stack(), get_stack_by_bc(), manager_ph_control_block(), misdn_cap_is_speech(), misdn_lib_send_event(), misdn_stack::nt, misdn_bchannel::oad, misdn_bchannel::onumplan, misdn_bchannel::out_cause, misdn_stack::port, misdn_bchannel::port, set_chan_in_stack(), and setup_bc().

Referenced by handle_frm().

01492 {
01493    struct misdn_stack *stack=get_stack_by_bc(bc);
01494    
01495    if (!stack->nt) {
01496       
01497       switch (event) {
01498 
01499       case EVENT_CONNECT_ACKNOWLEDGE:
01500 #if 0
01501          if ( !misdn_cap_is_speech(bc->capability)) {
01502             int ret=setup_bc(bc);
01503             if (ret == -EINVAL){
01504                cb_log(0,bc->port,"send_event: setup_bc failed\n");
01505             }
01506          }
01507 #endif   
01508          break;
01509       case EVENT_CONNECT:
01510 
01511          if ( *bc->crypt_key ) {
01512             cb_log(4, stack->port, "ENABLING BLOWFISH channel:%d oad%d:%s dad%d:%s\n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
01513             manager_ph_control_block(bc,  BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01514          }
01515       case EVENT_ALERTING:
01516       case EVENT_PROGRESS:
01517       case EVENT_PROCEEDING:
01518       case EVENT_SETUP_ACKNOWLEDGE:
01519 
01520       setup_bc(bc);
01521 
01522       case EVENT_SETUP:
01523       {
01524          if (bc->channel == 0xff) {
01525             if (!find_free_chan_in_stack(stack, bc, 0, 0)) {
01526                cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n");
01527                bc->out_cause=34;
01528                misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01529                return -1;
01530             }
01531          } 
01532 
01533          if (bc->channel >0 && bc->channel<255) {
01534             int ret=set_chan_in_stack(stack ,bc->channel);
01535             if (event == EVENT_SETUP && ret<0){
01536                /* empty bchannel */
01537                bc->channel=0;
01538                bc->out_cause=44;
01539                misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01540                return -1;
01541             }
01542          }
01543       }
01544       break;
01545 
01546       case EVENT_RELEASE_COMPLETE:
01547       case EVENT_RELEASE:
01548          if (bc->channel>0)
01549             empty_chan_in_stack(stack,bc->channel);
01550          int tmpcause=bc->cause; 
01551          int tmp_out_cause=bc->out_cause; 
01552          empty_bc(bc);
01553          bc->cause=tmpcause;
01554          bc->out_cause=tmp_out_cause;
01555          clean_up_bc(bc);
01556          break;
01557       default:
01558          break;
01559       }
01560    } else {    /** NT MODE **/
01561       
01562    }
01563    return 0;
01564 }

int handle_event_nt	(	void *	dat,
		void *	arg
	)			`[static]`

Definition at line 1740 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, misdn_bchannel::capability, misdn_bchannel::cause, cb_event, cb_log, misdn_bchannel::channel, clean_up_bc(), create_l3msg(), empty_bc(), empty_chan_in_stack(), event, EVENT_NEW_L3ID, EVENT_PORT_ALARM, EVENT_RELEASE, EVENT_RELEASE_COMPLETE, EVENT_SETUP, find_bc_by_l3id(), find_bc_by_masked_l3id(), find_free_chan_in_stack(), find_stack_by_mgr(), free, glob_mgr, handle_cr(), misdn_bchannel::holded, isdn_get_info(), isdn_msg_get_event(), isdn_msg_parse_event(), misdn_stack::l1link, misdn_stack::l2link, misdn_stack::l2upcnt, misdn_bchannel::l3_id, misdn_stack::mgr, misdn_cap_is_speech(), misdn_lib_get_free_bc(), misdn_lib_get_l2_up(), misdn_lib_reinit_nt_stack(), misdn_lib_send_event(), mISDNUSER_HEAD_SIZE, msgs_g, misdn_stack::nst, misdn_stack::nt, misdn_bchannel::out_cause, misdn_bchannel::port, misdn_stack::port, misdn_stack::procids, misdn_stack::ptp, set_chan_in_stack(), setup_bc(), stack_holder_find(), stack_holder_remove(), misdn_stack::upper_id, and misdn_lib::user_data.

Referenced by misdn_lib_reinit_nt_stack().

01741 {
01742    manager_t *mgr = (manager_t *)dat;
01743    msg_t *msg = (msg_t *)arg;
01744    mISDNuser_head_t *hh;
01745    int reject=0;
01746 
01747    struct misdn_stack *stack=find_stack_by_mgr(mgr);
01748    int port;
01749 
01750    if (!msg || !mgr)
01751       return(-EINVAL);
01752 
01753    hh=(mISDNuser_head_t*)msg->data;
01754    port=stack->port;
01755    
01756    cb_log(5, stack->port, " --> lib: prim %x dinfo %x\n",hh->prim, hh->dinfo);
01757    {
01758       switch(hh->prim){
01759       case CC_RETRIEVE|INDICATION:
01760       {
01761          iframe_t frm; /* fake te frm to add callref to global callreflist */
01762          frm.dinfo = hh->dinfo;
01763 
01764          frm.addr=stack->upper_id | FLG_MSG_DOWN;
01765 
01766          frm.prim = CC_NEW_CR|INDICATION;
01767          
01768          if (handle_cr( stack, &frm)< 0) {
01769             msg_t *dmsg;
01770             cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01771             dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01772             stack->nst.manager_l3(&stack->nst, dmsg);
01773             free_msg(msg);
01774             return 0;
01775          }
01776          
01777          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01778          struct misdn_bchannel *hold_bc=stack_holder_find(stack,bc->l3_id);
01779          cb_log(4, stack->port, "bc_l3id:%x holded_bc_l3id:%x\n",bc->l3_id, hold_bc->l3_id);
01780 
01781          if (hold_bc) {
01782             cb_log(4, stack->port, "REMOVEING Holder\n");
01783 
01784             /*swap the backup to our new channel back*/
01785             stack_holder_remove(stack, hold_bc);
01786             memcpy(bc,hold_bc,sizeof(struct misdn_bchannel));
01787             free(hold_bc);
01788 
01789             bc->holded=0;
01790          }
01791          
01792       }
01793          
01794          break;
01795          
01796       case CC_SETUP|CONFIRM:
01797       {
01798          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01799          int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01800          cb_log(4, stack->port, " --> lib: Event_ind:SETUP CONFIRM [NT] : new L3ID  is %x\n",l3id );
01801    
01802          if (!bc) { cb_log(4, stack->port, "Bc Not found (after SETUP CONFIRM)\n"); return 0; }
01803          cb_log (2,bc->port,"I IND :CC_SETUP|CONFIRM: old l3id:%x new l3id:%x\n", bc->l3_id, l3id);
01804          bc->l3_id=l3id;
01805          cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
01806       }
01807       free_msg(msg);
01808       return 0;
01809       
01810       case CC_SETUP|INDICATION:
01811       {
01812          struct misdn_bchannel* bc=misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01813          if (!bc) 
01814          ERR_NO_CHANNEL:
01815          {
01816             msg_t *dmsg;
01817             cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01818             dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01819             stack->nst.manager_l3(&stack->nst, dmsg);
01820             free_msg(msg);
01821             return 0;
01822          }
01823   
01824          cb_log(7, stack->port, " --> new_process: New L3Id: %x\n",hh->dinfo);
01825          bc->l3_id=hh->dinfo;
01826       }
01827       break;
01828 
01829       case CC_CONNECT_ACKNOWLEDGE|INDICATION:
01830 #if 0
01831       {
01832          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01833          if (bc) {
01834             if ( !misdn_cap_is_speech(bc->capability)) {
01835                int ret=setup_bc(bc);
01836                if (ret == -EINVAL){
01837                   cb_log(0,bc->port,"send_event: setup_bc failed\n");
01838                   
01839                }
01840             }
01841          }
01842       }
01843 #endif
01844       break;
01845       
01846       case CC_ALERTING|INDICATION:
01847       case CC_PROCEEDING|INDICATION:
01848       case CC_SETUP_ACKNOWLEDGE|INDICATION:
01849          if(!stack->ptp) break;  
01850       case CC_CONNECT|INDICATION:
01851       {
01852 #if 0
01853          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01854          
01855          if (!bc) {
01856             msg_t *dmsg;
01857             cb_log(0, stack->port,"!!!! We didn't found our bc, dinfo:%x on this port.\n",hh->dinfo);
01858             
01859             cb_log(0, stack->port, "Releaseing call %x (No free Chan for you..)\n", hh->dinfo);
01860             dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01861             stack->nst.manager_l3(&stack->nst, dmsg);
01862             free_msg(msg);
01863             return 0;
01864             
01865          }
01866          int ret=setup_bc(bc);
01867          if (ret == -EINVAL){
01868             cb_log(0,bc->port,"handle_event_nt: setup_bc failed\n");
01869             misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01870          }
01871 #endif
01872       }
01873       break;
01874       case CC_DISCONNECT|INDICATION:
01875       {
01876          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01877          if (!bc) {
01878             bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01879             if (bc) { 
01880                int myprocid=bc->l3_id&0x0000ffff;
01881                hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01882                cb_log(3,stack->port,"Reject dinfo: %x cause:%d\n",hh->dinfo,bc->cause);
01883                reject=1;      
01884             }
01885          }
01886       }
01887       break;
01888       
01889       case CC_FACILITY|INDICATION:
01890       {
01891          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01892          if (!bc) {
01893             bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01894             if (bc) { 
01895                int myprocid=bc->l3_id&0x0000ffff;
01896                hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01897                cb_log(4,bc->port,"Repaired reject Bug, new dinfo: %x\n",hh->dinfo);
01898             }
01899          }
01900       }
01901       break;
01902       
01903       case CC_RELEASE_COMPLETE|INDICATION:
01904          break;
01905 
01906       case CC_SUSPEND|INDICATION:
01907       {
01908          msg_t *dmsg;
01909          cb_log(4, stack->port, " --> Got Suspend, sending Reject for now\n");
01910          dmsg = create_l3msg(CC_SUSPEND_REJECT | REQUEST,MT_SUSPEND_REJECT, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01911          stack->nst.manager_l3(&stack->nst, dmsg);
01912          free_msg(msg);
01913          return 0;
01914       }
01915       break;
01916       case CC_RESUME|INDICATION:
01917          break;
01918 
01919       case CC_RELEASE|CONFIRM:
01920          break;
01921          
01922       case CC_RELEASE|INDICATION:
01923          break;
01924 
01925       case CC_RELEASE_CR|INDICATION:
01926       {
01927          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01928          struct misdn_bchannel dummybc;
01929          iframe_t frm; /* fake te frm to remove callref from global callreflist */
01930          frm.dinfo = hh->dinfo;
01931 
01932          frm.addr=stack->upper_id | FLG_MSG_DOWN;
01933 
01934          frm.prim = CC_RELEASE_CR|INDICATION;
01935          cb_log(4, stack->port, " --> Faking Realease_cr for %x\n",frm.addr);
01936          /** removing procid **/
01937          if (!bc) {
01938             cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x) on this port.\n", hh->dinfo);
01939             memset (&dummybc,0,sizeof(dummybc));
01940             dummybc.port=stack->port;
01941             dummybc.l3_id=hh->dinfo;
01942             dummybc.nt=stack->nt;
01943             bc=&dummybc; 
01944          }
01945    
01946          if (bc) {
01947             if ( (bc->l3_id & 0xff00) == 0xff00) {
01948                cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", bc->l3_id&0xff);
01949                stack->procids[bc->l3_id&0xff] = 0 ;
01950             }
01951          }
01952          else cb_log(0, stack->port, "Couldnt find BC so I couldnt remove the Process!!!! this is a bad port.\n");
01953    
01954          if (handle_cr(stack, &frm)<0) {
01955          }
01956 
01957          free_msg(msg);
01958          return 0 ;
01959       }
01960       break;
01961       
01962       case CC_NEW_CR|INDICATION:
01963          /*  Got New CR for bchan, for now I handle this one in */
01964          /*  connect_ack, Need to be changed */
01965       {
01966          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01967          int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01968          if (!bc) { cb_log(0, stack->port, " --> In NEW_CR: didn't found bc ??\n"); return -1;};
01969          if (((l3id&0xff00)!=0xff00) && ((bc->l3_id&0xff00)==0xff00)) {
01970             cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", 0xff&bc->l3_id);
01971             stack->procids[bc->l3_id&0xff] = 0 ;
01972          }
01973          cb_log(4, stack->port, "lib: Event_ind:CC_NEW_CR : very new L3ID  is %x\n",l3id );
01974    
01975          bc->l3_id =l3id;
01976          cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
01977    
01978          free_msg(msg);
01979          return 0;
01980       }
01981       
01982       case DL_ESTABLISH | INDICATION:
01983       case DL_ESTABLISH | CONFIRM:
01984       {
01985          cb_log(3, stack->port, "%% GOT L2 Activate Info.\n");
01986          
01987          if (stack->ptp && stack->l2link) {
01988             cb_log(0, stack->port, "%% GOT L2 Activate Info. but we're activated already.. this l2 is faulty, blocking port\n");
01989             cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
01990          }
01991       
01992          /* when we get the L2 UP, the L1 is UP definitely too*/
01993          stack->l1link = 1;
01994          stack->l2link = 1;
01995          stack->l2upcnt=0;
01996          
01997          free_msg(msg);
01998          return 0;
01999       }
02000       break;
02001 
02002 
02003       case DL_RELEASE | INDICATION:
02004       case DL_RELEASE | CONFIRM:
02005       {
02006          if (stack->ptp) {
02007             cb_log(3 , stack->port, "%% GOT L2 DeActivate Info.\n");
02008 
02009             if (stack->l2upcnt>3) {
02010                cb_log(0 , stack->port, "!!! Could not Get the L2 up after 3 Attemps!!!\n");
02011             }  else {
02012 #if 0
02013                if (stack->nt) misdn_lib_reinit_nt_stack(stack->port);
02014 #endif
02015                if (stack->l1link) {
02016                   misdn_lib_get_l2_up(stack);
02017                   stack->l2upcnt++;
02018                }
02019             }
02020             
02021          } else 
02022             cb_log(3, stack->port, "%% GOT L2 DeActivate Info.\n");
02023          
02024          stack->l2link = 0;
02025          free_msg(msg);
02026          return 0;
02027       }
02028       break;
02029       }
02030    }
02031    
02032    {
02033       /*  Parse Events and fire_up to App. */
02034       struct misdn_bchannel *bc;
02035       struct misdn_bchannel dummybc;
02036       
02037       enum event_e event = isdn_msg_get_event(msgs_g, msg, 1);
02038     
02039       bc=find_bc_by_l3id(stack, hh->dinfo);
02040     
02041       if (!bc) {
02042       
02043          cb_log(4, stack->port, " --> Didn't found BC so temporarly creating dummy BC (l3id:%x).\n", hh->dinfo);
02044          memset (&dummybc,0,sizeof(dummybc));
02045          dummybc.port=stack->port;
02046          dummybc.l3_id=hh->dinfo;
02047          dummybc.nt=stack->nt;
02048          bc=&dummybc; 
02049       }
02050       if (bc ) {
02051          isdn_msg_parse_event(msgs_g,msg,bc, 1);
02052 
02053          switch (event) {
02054             case EVENT_SETUP:
02055                if (bc->channel<=0 || bc->channel==0xff) {
02056                   bc->channel=find_free_chan_in_stack(stack,bc, 0,0);
02057                   if (bc->channel<=0)
02058                      goto ERR_NO_CHANNEL;
02059                } else if (!stack->ptp) 
02060                   cb_log(3,stack->port," --> PTMP but channel requested\n"); 
02061 
02062                int ret=set_chan_in_stack(stack, bc->channel);
02063                if (event==EVENT_SETUP && ret<0){
02064                   /* empty bchannel */
02065                   bc->channel=0;
02066                   bc->out_cause=44;
02067 
02068                   goto ERR_NO_CHANNEL;
02069                } 
02070                break;
02071             case EVENT_RELEASE:
02072             case EVENT_RELEASE_COMPLETE:
02073                if (bc->channel>0)
02074                                  empty_chan_in_stack(stack, bc->channel);
02075                int tmpcause=bc->cause; 
02076                          empty_bc(bc);
02077                bc->cause=tmpcause;
02078                clean_up_bc(bc);
02079                break;
02080 
02081             default:
02082             break;
02083          }
02084          
02085          if(!isdn_get_info(msgs_g,event,1)) {
02086             cb_log(4, stack->port, "Unknown Event Ind: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02087          } else {
02088             if (reject) {
02089                switch(bc->cause){
02090                   case 17:
02091                      cb_log(1, stack->port, "Siemens Busy reject..\n");
02092 
02093                      break;
02094                   default:
02095                      break;
02096                }
02097             }
02098             cb_event(event, bc, glob_mgr->user_data);
02099          }
02100       
02101       } else {
02102          cb_log(4, stack->port, "No BC found with l3id: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02103       }
02104 
02105       free_msg(msg);
02106    }
02107 
02108 
02109    return 0;
02110 }

static int handle_frm ( msg_t * msg ) [static]

Definition at line 2577 of file isdn_lib.c.

References bc_state_change(), BCHAN_CLEANED, cb_event, cb_log, misdn_bchannel::channel, empty_bc(), empty_chan_in_stack(), event, EVENT_RELEASE_COMPLETE, EVENT_SETUP, find_bc_by_l3id(), find_stack_by_addr(), glob_mgr, handle_cr(), handle_event(), isdn_get_info(), isdn_msg_get_event(), isdn_msg_parse_event(), misdn_lib_send_event(), msgs_g, misdn_stack::nt, misdn_bchannel::out_cause, misdn_stack::port, RESPONSE_IGNORE_SETUP, RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE, RESPONSE_OK, RESPONSE_RELEASE_SETUP, and misdn_lib::user_data.

Referenced by manager_event_handler(), and manager_isdn_handler().

02578 {
02579    iframe_t *frm = (iframe_t*) msg->data;
02580    
02581    struct misdn_stack *stack=find_stack_by_addr(frm->addr);
02582 
02583    if (!stack || stack->nt) {
02584       return 0;
02585    }
02586    
02587    cb_log(4,stack?stack->port:0,"handle_frm: frm->addr:%x frm->prim:%x\n",frm->addr,frm->prim);
02588 
02589    {
02590       struct misdn_bchannel *bc;
02591       int ret=handle_cr(stack, frm);
02592 
02593       if (ret<0) {
02594          cb_log(3,stack?stack->port:0,"handle_frm: handle_cr <0 prim:%x addr:%x\n", frm->prim, frm->addr);
02595 
02596 
02597       }
02598 
02599       if(ret) {
02600          free_msg(msg);
02601          return 1;
02602       }
02603     
02604       bc=find_bc_by_l3id(stack, frm->dinfo);
02605     
02606 handle_frm_bc:
02607       if (bc ) {
02608          enum event_e event = isdn_msg_get_event(msgs_g, msg, 0);
02609          enum event_response_e response=RESPONSE_OK;
02610       
02611          isdn_msg_parse_event(msgs_g,msg,bc, 0);
02612          
02613          /** Preprocess some Events **/
02614          int ret=handle_event(bc, event, frm);
02615          if (ret<0) {
02616             cb_log(0,stack->port,"couldn't handle event\n");
02617             free_msg(msg);
02618             return 1;
02619          }
02620          /*  shoot up event to App: */
02621          cb_log(5, stack->port, "lib Got Prim: Addr %x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02622       
02623          if(!isdn_get_info(msgs_g,event,0)) 
02624             cb_log(0, stack->port, "Unknown Event Ind: Addr:%x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02625          else
02626             response=cb_event(event, bc, glob_mgr->user_data);
02627 #if 1
02628          if (event == EVENT_SETUP) {
02629             switch (response) {
02630             case RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE:
02631 
02632                cb_log(0, stack->port, "TOTALY IGNORING SETUP \n");               
02633                
02634                break;
02635             case RESPONSE_IGNORE_SETUP:
02636                /* I think we should send CC_RELEASE_CR, but am not sure*/
02637                bc->out_cause=16;
02638             
02639             case RESPONSE_RELEASE_SETUP:
02640                misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
02641                if (bc->channel>0)
02642                   empty_chan_in_stack(stack, bc->channel);
02643                empty_bc(bc);
02644                bc_state_change(bc,BCHAN_CLEANED);
02645 
02646                cb_log(0, stack->port, "GOT IGNORE SETUP\n");
02647 
02648                
02649                break;
02650             case RESPONSE_OK:
02651                cb_log(4, stack->port, "GOT SETUP OK\n");
02652 
02653                
02654                break;
02655             default:
02656                break;
02657             }
02658          }
02659 
02660          cb_log(5, stack->port, "Freeing Msg on prim:%x \n",frm->prim);
02661 
02662          
02663          free_msg(msg);
02664          return 1;
02665 #endif
02666       
02667       } else {
02668          cb_log(0, stack->port, " --> Didn't find BC so temporarly creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
02669          struct misdn_bchannel dummybc;
02670          memset (&dummybc,0,sizeof(dummybc));
02671          dummybc.port=stack->port;
02672          dummybc.l3_id=frm->dinfo;
02673          bc=&dummybc; 
02674          goto handle_frm_bc;
02675       }
02676    }
02677 
02678    cb_log(4, stack->port, "TE_FRM_HANDLER: Returning 0 on prim:%x \n",frm->prim);
02679    return 0;
02680 }

static int handle_frm_nt ( msg_t * msg ) [static]

Definition at line 2542 of file isdn_lib.c.

References cb_log, find_stack_by_addr(), misdn_stack::nst, misdn_stack::nt, nt_err_cnt, and misdn_stack::port.

Referenced by manager_event_handler(), and manager_isdn_handler().

02543 {
02544    iframe_t *frm= (iframe_t*)msg->data;
02545    struct misdn_stack *stack;
02546    int err=0;
02547 
02548    stack=find_stack_by_addr( frm->addr );
02549 
02550    
02551   
02552    if (!stack || !stack->nt) {
02553       return 0;
02554    }
02555 
02556    
02557    if ((err=stack->nst.l1_l2(&stack->nst,msg))) {
02558     
02559       if (nt_err_cnt > 0 ) {
02560          if (nt_err_cnt < 100) {
02561             nt_err_cnt++; 
02562             cb_log(0, stack->port, "NT Stack sends us error: %d \n", err);
02563          } else if (nt_err_cnt < 105){
02564             cb_log(0, stack->port, "NT Stack sends us error: %d over 100 times, so I'll stop this message\n", err);
02565             nt_err_cnt = - 1; 
02566          }
02567       }
02568       free_msg(msg);
02569       return 1;
02570       
02571    }
02572    
02573    return 1;
02574 }

static int handle_l1 ( msg_t * msg ) [static]

Definition at line 2683 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, cb_event, cb_log, EVENT_CLEANUP, EVENT_NOTHING, misdn_bchannel::evq, find_stack_by_addr(), glob_mgr, global_state, isdn_get_info(), misdn_stack::l1link, MISDN_INITIALIZED, misdn_lib_get_l2_up(), misdn_lib_send_event(), msgs_g, misdn_stack::nst, misdn_stack::nt, misdn_stack::port, misdn_stack::ptp, and misdn_lib::user_data.

Referenced by manager_isdn_handler().

02684 {
02685    iframe_t *frm = (iframe_t*) msg->data;
02686    struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02687    int i ;
02688    
02689    if (!stack) return 0 ;
02690 
02691    switch (frm->prim) {
02692    case PH_ACTIVATE | CONFIRM:
02693    case PH_ACTIVATE | INDICATION:
02694       cb_log (3, stack->port, "L1: PH L1Link Up!\n");
02695       stack->l1link=1;
02696       
02697       if (stack->nt) {
02698          
02699          if (stack->nst.l1_l2(&stack->nst, msg))
02700             free_msg(msg);
02701 
02702          if (stack->ptp)
02703             misdn_lib_get_l2_up(stack);
02704       } else {
02705          free_msg(msg);
02706       }
02707       
02708       for (i=0;i<=stack->b_num; i++) {
02709          if (stack->bc[i].evq != EVENT_NOTHING) {
02710             cb_log(4, stack->port, "Fireing Queued Event %s because L1 got up\n", isdn_get_info(msgs_g, stack->bc[i].evq, 0));
02711             misdn_lib_send_event(&stack->bc[i],stack->bc[i].evq);
02712             stack->bc[i].evq=EVENT_NOTHING;
02713          }
02714          
02715       }
02716       return 1;
02717 
02718    case PH_ACTIVATE | REQUEST:
02719       free_msg(msg);
02720       cb_log(3,stack->port,"L1: PH_ACTIVATE|REQUEST \n");
02721       return 1;
02722       
02723    case PH_DEACTIVATE | REQUEST:
02724       free_msg(msg);
02725       cb_log(3,stack->port,"L1: PH_DEACTIVATE|REQUEST \n");
02726       return 1;
02727       
02728    case PH_DEACTIVATE | CONFIRM:
02729    case PH_DEACTIVATE | INDICATION:
02730       cb_log (3, stack->port, "L1: PH L1Link Down! \n");
02731       
02732       for (i=0; i<=stack->b_num; i++) {
02733          if (global_state == MISDN_INITIALIZED)  {
02734             cb_event(EVENT_CLEANUP, &stack->bc[i], glob_mgr->user_data);
02735          }
02736       }
02737       
02738       if (stack->nt) {
02739          if (stack->nst.l1_l2(&stack->nst, msg))
02740             free_msg(msg);
02741       } else {
02742          free_msg(msg);
02743       }
02744       
02745       stack->l1link=0;
02746       stack->l2link=0;
02747       return 1;
02748    }
02749   
02750    return 0;
02751 }

static int handle_l2 ( msg_t * msg ) [static]

Definition at line 2753 of file isdn_lib.c.

References misdn_stack::bc, cb_event, cb_log, EVENT_PORT_ALARM, find_stack_by_addr(), glob_mgr, misdn_stack::l2link, misdn_stack::port, misdn_stack::ptp, and misdn_lib::user_data.

Referenced by manager_isdn_handler().

02754 {
02755    iframe_t *frm = (iframe_t*) msg->data;
02756 
02757    struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02758    
02759    if (!stack) {
02760       return 0 ;
02761    }
02762    
02763    switch(frm->prim) {
02764 
02765    case DL_ESTABLISH | REQUEST:
02766       cb_log(1,stack->port,"DL_ESTABLISH|REQUEST \n");
02767       return 1;
02768    case DL_RELEASE | REQUEST:
02769       cb_log(1,stack->port,"DL_RELEASE|REQUEST \n");
02770       return 1;
02771       
02772    case DL_ESTABLISH | INDICATION:
02773    case DL_ESTABLISH | CONFIRM:
02774    {
02775       cb_log (3, stack->port, "L2: L2Link Up! \n");
02776       if (stack->ptp && stack->l2link) {
02777          cb_log (-1, stack->port, "L2: L2Link Up! but it's already UP.. must be faulty, blocking port\n"); 
02778          cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
02779       }
02780       stack->l2link=1;
02781       free_msg(msg);
02782       return 1;
02783    }
02784    break;
02785     
02786    case DL_RELEASE | INDICATION:
02787    case DL_RELEASE | CONFIRM:
02788    {
02789       cb_log (3, stack->port, "L2: L2Link Down! \n");
02790       stack->l2link=0;
02791       
02792       free_msg(msg);
02793       return 1;
02794    }
02795    break;
02796    }
02797    return 0;
02798 }

static int handle_mgmt ( msg_t * msg ) [static]

Definition at line 2800 of file isdn_lib.c.

References cb_log, clear_l3(), find_stack_by_addr(), misdn_stack::l1link, misdn_stack::l2link, and misdn_stack::port.

Referenced by manager_isdn_handler().

02801 {
02802    iframe_t *frm = (iframe_t*) msg->data;
02803 
02804    if ( (frm->addr == 0) && (frm->prim == (MGR_DELLAYER|CONFIRM)) ) {
02805       cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: 0 !\n") ;
02806       free_msg(msg);
02807       return 1;
02808    }
02809    
02810    struct misdn_stack * stack=find_stack_by_addr(frm->addr);
02811    
02812    if (!stack) {
02813       if (frm->prim == (MGR_DELLAYER|CONFIRM)) {
02814          cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: %x !\n",
02815                frm->addr) ;
02816          free_msg(msg);
02817          return 1;
02818       }
02819       
02820       return 0;
02821    }
02822    
02823    switch(frm->prim) {
02824    case MGR_SHORTSTATUS | INDICATION:
02825    case MGR_SHORTSTATUS | CONFIRM:
02826       cb_log(5, 0, "MGMT: Short status dinfo %x\n",frm->dinfo);
02827       
02828       switch (frm->dinfo) {
02829       case SSTATUS_L1_ACTIVATED:
02830          cb_log(3, 0, "MGMT: SSTATUS: L1_ACTIVATED \n");
02831          stack->l1link=1;
02832       
02833          break;
02834       case SSTATUS_L1_DEACTIVATED:
02835          cb_log(3, 0, "MGMT: SSTATUS: L1_DEACTIVATED \n");
02836          stack->l1link=0;
02837 
02838          clear_l3(stack);
02839          break;
02840 
02841       case SSTATUS_L2_ESTABLISHED:
02842          cb_log(3, stack->port, "MGMT: SSTATUS: L2_ESTABLISH \n");
02843 
02844          /*when the L2 goes UP, L1 needs to be UP too*/
02845          stack->l1link=1;
02846          stack->l2link=1;
02847          break;
02848          
02849       case SSTATUS_L2_RELEASED:
02850          cb_log(3, stack->port, "MGMT: SSTATUS: L2_RELEASED \n");
02851          stack->l2link=0;
02852          break;
02853       }
02854       
02855       free_msg(msg);
02856       return 1;
02857       
02858    case MGR_SETSTACK | INDICATION:
02859       cb_log(4, stack->port, "MGMT: SETSTACK|IND dinfo %x\n",frm->dinfo);
02860       free_msg(msg);
02861       return 1;
02862    case MGR_DELLAYER | CONFIRM:
02863       cb_log(4, stack->port, "MGMT: DELLAYER|CNF dinfo %x\n",frm->dinfo) ;
02864       free_msg(msg);
02865       return 1;
02866       
02867    }
02868    
02869    /*
02870    if ( (frm->prim & 0x0f0000) ==  0x0f0000) {
02871    cb_log(5, 0, "$$$ MGMT FRAME: prim %x addr %x dinfo %x\n",frm->prim, frm->addr, frm->dinfo) ;
02872    free_msg(msg);
02873    return 1;
02874    } */
02875     
02876    return 0;
02877 }

static int handle_timers ( msg_t * msg ) [static]

Definition at line 2113 of file isdn_lib.c.

References cb_log, glob_mgr, misdn_stack::midev, misdn_stack::next, misdn_stack::nst, misdn_stack::nt, and misdn_lib::stack_list.

Referenced by manager_isdn_handler().

02114 {
02115    iframe_t *frm= (iframe_t*)msg->data;
02116    struct misdn_stack *stack; 
02117   
02118    /* Timer Stuff */
02119    switch (frm->prim) {
02120    case MGR_INITTIMER | CONFIRM:
02121    case MGR_ADDTIMER | CONFIRM:
02122    case MGR_DELTIMER | CONFIRM:
02123    case MGR_REMOVETIMER | CONFIRM:
02124       free_msg(msg);
02125       return(1);
02126    }
02127   
02128   
02129   
02130    if (frm->prim==(MGR_TIMER | INDICATION) ) {
02131       for (stack = glob_mgr->stack_list;
02132            stack;
02133            stack = stack->next) {
02134          itimer_t *it;
02135       
02136          if (!stack->nt) continue;
02137       
02138          it = stack->nst.tlist;
02139          /* find timer */
02140          for(it=stack->nst.tlist;
02141              it;
02142              it=it->next) {
02143             if (it->id == (int)frm->addr)
02144                break;
02145          }
02146          if (it) {
02147             int ret;
02148             ret = mISDN_write_frame(stack->midev, msg->data, frm->addr,
02149                      MGR_TIMER | RESPONSE, 0, 0, NULL, TIMEOUT_1SEC);
02150             test_and_clear_bit(FLG_TIMER_RUNING, (long unsigned int *)&it->Flags);
02151             ret = it->function(it->data);
02152             free_msg(msg);
02153             return 1;
02154          }
02155       }
02156     
02157       cb_log(0, 0, "Timer Msg without Timer ??\n");
02158       free_msg(msg);
02159       return 1;
02160    }
02161   
02162    return 0;
02163 }

int init_bc	(	struct misdn_stack *	stack,
		struct misdn_bchannel *	bc,
		int	midev,
		int	port,
		int	bidx,
		char *	msn,
		int	firsttime
	)

IFACE

Definition at line 1093 of file isdn_lib.c.

References misdn_bchannel::astbuf, misdn_stack::bc, bc_state_change(), BCHAN_CLEANED, cb_log, empty_bc(), malloc, MISDN_IBUF_SIZE, misdn_bchannel::msn, misdn_stack::nt, misdn_bchannel::nt, misdn_stack::port, and misdn_bchannel::port.

Referenced by misdn_lib_init().

01094 {
01095    unsigned char buff[1025];
01096    iframe_t *frm = (iframe_t *)buff;
01097    int ret;
01098   
01099    if (!bc) return -1;
01100   
01101    cb_log(8, port, "Init.BC %d.\n",bidx);
01102    
01103    memset(bc, 0,sizeof(struct misdn_bchannel));
01104    
01105    if (msn) {
01106       int l = sizeof(bc->msn);
01107       strncpy(bc->msn,msn, l);
01108       bc->msn[l-1] = 0;
01109    }
01110    
01111    
01112    empty_bc(bc);
01113    bc_state_change(bc, BCHAN_CLEANED);
01114    
01115    bc->port=stack->port;
01116    bc->nt=stack->nt?1:0;
01117    
01118    {
01119       ibuffer_t* ibuf= init_ibuffer(MISDN_IBUF_SIZE);
01120 
01121       if (!ibuf) return -1;
01122       
01123       clear_ibuffer( ibuf);
01124       
01125       ibuf->rsem=malloc(sizeof(sem_t));
01126       
01127       bc->astbuf=ibuf;
01128 
01129       if (sem_init(ibuf->rsem,1,0)<0)
01130          sem_init(ibuf->rsem,0,0);
01131       
01132    }
01133    
01134    
01135    
01136    
01137    {
01138       stack_info_t *stinf;
01139       ret = mISDN_get_stack_info(midev, stack->port, buff, sizeof(buff));
01140       if (ret < 0) {
01141          cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01142          return -1;
01143       }
01144     
01145       stinf = (stack_info_t *)&frm->data.p;
01146     
01147       cb_log(8, port, " --> Child %x\n",stinf->child[bidx]);
01148    }
01149   
01150    return 0;
01151 }

static void init_flip_bits ( void ) [static]

Definition at line 280 of file isdn_lib.c.

References flip_table.

Referenced by misdn_lib_init().

00281 {
00282    int i,k;
00283    
00284    for (i = 0 ; i < 256 ; i++) {
00285       unsigned char sample = 0 ;
00286       for (k = 0; k<8; k++) {
00287          if ( i & 1 << k ) sample |= 0x80 >>  k;
00288       }
00289       flip_table[i] = sample;
00290    }
00291 }

void isdn_lib_stop_dtmf ( struct misdn_bchannel * bc )

Definition at line 4115 of file isdn_lib.c.

References misdn_stack::bc, and manager_ph_control().

Referenced by process_ast_dsp().

04116 {
04117    manager_ph_control(bc, DTMF_TONE_STOP, 0);
04118 }

void isdn_lib_update_ec ( struct misdn_bchannel * bc )

Definition at line 4103 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::ec_enable, manager_ec_disable(), and manager_ec_enable().

Referenced by process_ast_dsp().

04104 {
04105 #ifdef MISDN_1_2
04106    if (*bc->pipeline)
04107 #else
04108    if (bc->ec_enable)
04109 #endif
04110       manager_ec_enable(bc);
04111    else
04112       manager_ec_disable(bc);
04113 }

void isdn_lib_update_rxgain ( struct misdn_bchannel * bc )

Definition at line 4093 of file isdn_lib.c.

References misdn_stack::bc, manager_ph_control(), and misdn_bchannel::rxgain.

Referenced by process_ast_dsp().

04094 {
04095    manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
04096 }

void isdn_lib_update_txgain ( struct misdn_bchannel * bc )

Definition at line 4098 of file isdn_lib.c.

References misdn_stack::bc, manager_ph_control(), and misdn_bchannel::txgain.

Referenced by process_ast_dsp().

04099 {
04100    manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
04101 }

void manager_bchannel_activate ( struct misdn_bchannel * bc )

Definition at line 3973 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::astbuf, misdn_stack::bc, cb_log, get_stack_by_bc(), misdn_stack::midev, misdn_bchannel::port, and misdn_stack::port.

Referenced by setup_bc().

03974 {
03975    char buf[128];
03976 
03977    struct misdn_stack *stack=get_stack_by_bc(bc);
03978 
03979    if (!stack) {
03980       cb_log(0, bc->port, "bchannel_activate: Stack not found !");
03981       return ;
03982    }
03983    
03984    /* we must activate if we are deactivated */
03985    clear_ibuffer(bc->astbuf);
03986    
03987    cb_log(5, stack->port, "$$$ Bchan Activated addr %x\n", bc->addr);
03988    
03989    mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN,  DL_ESTABLISH | REQUEST, 0,0, NULL, TIMEOUT_1SEC);
03990 
03991    return ;
03992 }

void manager_bchannel_cleanup ( struct misdn_bchannel * bc )

void manager_bchannel_deactivate ( struct misdn_bchannel * bc )

Definition at line 3995 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::astbuf, misdn_stack::bc, misdn_bchannel::bc_state, bc_state_change(), BCHAN_ACTIVATED, BCHAN_BRIDGED, BCHAN_RELEASE, cb_log, misdn_bchannel::conf_id, misdn_bchannel::generate_tone, get_stack_by_bc(), misdn_stack::midev, misdn_split_conf(), misdn_bchannel::port, and misdn_stack::port.

Referenced by clean_up_bc().

03996 {
03997 
03998    struct misdn_stack *stack=get_stack_by_bc(bc);
03999 
04000 
04001    switch (bc->bc_state) {
04002       case BCHAN_ACTIVATED:
04003          break;
04004       case BCHAN_BRIDGED:
04005          misdn_split_conf(bc,bc->conf_id);
04006          break;
04007       default:
04008          cb_log( 4, bc->port,"bchan_deactivate: called but not activated\n");
04009          return ;
04010 
04011    }
04012    
04013    cb_log(5, stack->port, "$$$ Bchan deActivated addr %x\n", bc->addr);
04014    
04015    bc->generate_tone=0;
04016    
04017    iframe_t dact;
04018    dact.prim = DL_RELEASE | REQUEST;
04019    dact.addr = bc->addr | FLG_MSG_DOWN;
04020    dact.dinfo = 0;
04021    dact.len = 0;
04022    char buf[128]; 
04023    mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_RELEASE|REQUEST,0,0,NULL, TIMEOUT_1SEC);
04024 
04025    clear_ibuffer(bc->astbuf);
04026    
04027    bc_state_change(bc,BCHAN_RELEASE);
04028   
04029    return;
04030 }

void manager_bchannel_setup ( struct misdn_bchannel * bc )

void manager_clean_bc ( struct misdn_bchannel * bc )

Definition at line 4142 of file isdn_lib.c.

References misdn_stack::bc, cb_event, misdn_bchannel::channel, empty_bc(), empty_chan_in_stack(), EVENT_CLEANUP, and get_stack_by_bc().

Referenced by misdn_lib_pid_restart().

04143 {
04144    struct misdn_stack *stack=get_stack_by_bc(bc);
04145    
04146    if (bc->channel>0)
04147       empty_chan_in_stack(stack, bc->channel);
04148    empty_bc(bc);
04149   
04150    cb_event(EVENT_CLEANUP, bc, NULL); 
04151 }

void manager_ec_disable ( struct misdn_bchannel * bc )

Definition at line 4335 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::capability, cb_log, misdn_bchannel::ec_enable, ECHOCAN_OFF, get_stack_by_bc(), manager_ph_control(), manager_ph_control_block(), misdn_cap_is_speech(), and misdn_stack::port.

Referenced by clean_up_bc(), isdn_lib_update_ec(), and misdn_toggle_echocancel().

04336 {
04337    struct misdn_stack *stack=get_stack_by_bc(bc);
04338    
04339    cb_log(4, stack?stack->port:0," --> ec_disable\n");
04340 
04341    if (!misdn_cap_is_speech(bc->capability)) {
04342       cb_log(1, stack?stack->port:0, " --> no speech? cannot disable EC\n");
04343       return;
04344    }
04345 
04346 #ifdef MISDN_1_2
04347    manager_ph_control_block(bc, PIPELINE_CFG, "", 0);
04348 #else
04349    if ( ! bc->ec_enable) {
04350       cb_log(3, stack?stack->port:0, "Sending Control ECHOCAN_OFF\n");
04351       manager_ph_control(bc,  ECHOCAN_OFF, 0);
04352    }
04353 #endif
04354 }

void manager_ec_enable ( struct misdn_bchannel * bc )

Definition at line 4286 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::capability, cb_log, misdn_bchannel::ec_deftaps, misdn_bchannel::ec_enable, ECHOCAN_ON, get_stack_by_bc(), manager_ph_control_block(), misdn_cap_is_speech(), and misdn_stack::port.

Referenced by isdn_lib_update_ec(), misdn_lib_send_event(), and misdn_toggle_echocancel().

04287 {
04288    struct misdn_stack *stack=get_stack_by_bc(bc);
04289    
04290    cb_log(4, stack?stack->port:0,"ec_enable\n");
04291 
04292    if (!misdn_cap_is_speech(bc->capability)) {
04293       cb_log(1, stack?stack->port:0, " --> no speech? cannot enable EC\n");
04294    } else {
04295 
04296 #ifdef MISDN_1_2
04297    if (*bc->pipeline) {
04298       cb_log(3, stack?stack->port:0,"Sending Control PIPELINE_CFG %s\n",bc->pipeline);
04299       manager_ph_control_block(bc, PIPELINE_CFG, bc->pipeline, strlen(bc->pipeline) + 1);
04300    }
04301 #else
04302    int ec_arr[2];
04303 
04304    if (bc->ec_enable) {
04305       cb_log(3, stack?stack->port:0,"Sending Control ECHOCAN_ON taps:%d\n",bc->ec_deftaps);
04306    
04307       switch (bc->ec_deftaps) {
04308       case 4:
04309       case 8:
04310       case 16:
04311       case 32:
04312       case 64:
04313       case 128:
04314       case 256:
04315       case 512:
04316       case 1024:
04317          cb_log(4, stack->port, "Taps is %d\n",bc->ec_deftaps);
04318          break;
04319       default:
04320          cb_log(0, stack->port, "Taps should be power of 2\n");
04321          bc->ec_deftaps=128;
04322       }
04323    
04324       ec_arr[0]=bc->ec_deftaps;
04325       ec_arr[1]=0;
04326       
04327       manager_ph_control_block(bc,  ECHOCAN_ON,  ec_arr, sizeof(ec_arr));
04328    }
04329 #endif
04330    }
04331 }

static void manager_event_handler ( void * arg ) [static]

Definition at line 3697 of file isdn_lib.c.

References misdn_lib::activatequeue, cb_log, clean_up_bc(), misdn_stack::downqueue, find_bc_by_l3id(), find_stack_by_port(), glob_mgr, handle_frm(), handle_frm_nt(), misdn_lib::midev, misdn_lib::new_msg, misdn_stack::next, misdn_stack::nst, misdn_stack::nt, misdn_stack::port, misdn_bchannel::port, send_msg(), misdn_lib::stack_list, and misdn_stack::upqueue.

03698 {
03699    sem_post(&handler_started); 
03700    while (1) {
03701       struct misdn_stack *stack;
03702       msg_t *msg;
03703     
03704       /** wait for events **/
03705       sem_wait(&glob_mgr->new_msg);
03706     
03707       for (msg=msg_dequeue(&glob_mgr->activatequeue);
03708            msg;
03709            msg=msg_dequeue(&glob_mgr->activatequeue)
03710          )
03711       {
03712    
03713          iframe_t *frm =  (iframe_t*) msg->data ;
03714 
03715          switch ( frm->prim) {
03716 
03717          case MGR_CLEARSTACK | REQUEST:
03718             /*a queued bchannel cleanup*/
03719             {
03720                struct misdn_stack *stack=find_stack_by_port(frm->dinfo);
03721                if (!stack) {
03722                   cb_log(0,0,"no stack found with port [%d]!! so we cannot cleanup the bc\n",frm->dinfo);
03723                   free_msg(msg);
03724                   break;
03725                }
03726                
03727                struct misdn_bchannel *bc=find_bc_by_l3id(stack,frm->addr);
03728                if (bc) {
03729                   cb_log(1,bc->port,"CLEARSTACK queued, cleaning up\n");
03730                   clean_up_bc(bc);
03731                } else {
03732                   cb_log(0,stack->port,"bc could not be cleaned correctly !! addr [%x]\n",frm->addr);
03733                }
03734             }
03735             free_msg(msg); 
03736             break;
03737          case MGR_SETSTACK | REQUEST :
03738             break;
03739          default:
03740             mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
03741             free_msg(msg);
03742          }
03743       }
03744 
03745       for (stack=glob_mgr->stack_list;
03746            stack;
03747            stack=stack->next ) { 
03748 
03749          while ( (msg=msg_dequeue(&stack->upqueue)) ) {
03750             /** Handle L2/3 Signalling after bchans **/ 
03751             if (!handle_frm_nt(msg)) {
03752                /* Maybe it's TE */
03753                if (!handle_frm(msg)) {
03754                   /* wow none! */
03755                   cb_log(0,stack->port,"Wow we've got a strange issue while dequeueing a Frame\n");
03756                }
03757             }
03758          }
03759 
03760          /* Here we should check if we really want to 
03761             send all the messages we've queued, lets 
03762             assume we've queued a Disconnect, but 
03763             received it already from the other side!*/
03764            
03765          while ( (msg=msg_dequeue(&stack->downqueue)) ) {
03766             if (stack->nt ) {
03767                if (stack->nst.manager_l3(&stack->nst, msg))
03768                   cb_log(0, stack->port, "Error@ Sending Message in NT-Stack.\n");
03769      
03770             } else {
03771                iframe_t *frm = (iframe_t *)msg->data;
03772                struct misdn_bchannel *bc = find_bc_by_l3id(stack, frm->dinfo);
03773                if (bc) send_msg(glob_mgr->midev, bc, msg);
03774                else  {
03775                   if (frm->dinfo == MISDN_ID_GLOBAL) {
03776                      struct misdn_bchannel dummybc;
03777                      memset (&dummybc,0,sizeof(dummybc));
03778                      dummybc.port=stack->port;
03779                      dummybc.l3_id=MISDN_ID_GLOBAL;
03780                      dummybc.nt=stack->nt;
03781                      send_msg(glob_mgr->midev, &dummybc, msg);
03782                   }
03783                }
03784             }
03785          }
03786       }
03787    }
03788 }

struct misdn_bchannel * manager_find_bc_by_pid ( int pid )

Definition at line 3030 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, glob_mgr, misdn_stack::next, misdn_bchannel::pid, and misdn_lib::stack_list.

Referenced by misdn_lib_pid_restart().

03031 {
03032    struct misdn_stack *stack;
03033    int i;
03034   
03035    for (stack=glob_mgr->stack_list;
03036         stack;
03037         stack=stack->next) {
03038       for (i=0; i<=stack->b_num; i++)
03039          if (stack->bc[i].pid == pid) return &stack->bc[i];
03040    }
03041   
03042    return NULL;
03043 }

struct misdn_bchannel * manager_find_bc_holded ( struct misdn_bchannel * bc )

Definition at line 3045 of file isdn_lib.c.

References misdn_stack::bc, find_bc_holded(), and get_stack_by_bc().

03046 {
03047    struct misdn_stack *stack=get_stack_by_bc(bc);
03048    return find_bc_holded(stack);
03049 }

char* manager_isdn_get_info ( enum event_e event )

Definition at line 3968 of file isdn_lib.c.

References isdn_get_info(), and msgs_g.

Referenced by cb_events().

03969 {
03970    return isdn_get_info(msgs_g , event, 0);
03971 }

int manager_isdn_handler	(	iframe_t *	frm,
		msg_t *	msg
	)

Definition at line 3512 of file isdn_lib.c.

References cb_log, handle_bchan(), handle_err(), handle_frm(), handle_frm_nt(), handle_l1(), handle_l2(), handle_mgmt(), handle_timers(), LOG_NOTICE, and misdn_stack::port.

Referenced by misdn_lib_isdn_event_catcher().

03513 {  
03514 
03515    if (frm->dinfo==0xffffffff && frm->prim==(PH_DATA|CONFIRM)) {
03516       cb_log(0,0,"SERIOUS BUG, dinfo == 0xffffffff, prim == PH_DATA | CONFIRM !!!!\n");
03517    }
03518 
03519    if ( ((frm->addr | ISDN_PID_BCHANNEL_BIT )>> 28 ) == 0x5) {
03520       if (handle_bchan(msg)) {
03521          return 0 ;
03522       }
03523    }  
03524 
03525 #ifdef RECV_FRM_SYSLOG_DEBUG
03526    syslog(LOG_NOTICE,"mISDN recv: P(%02d): ADDR:%x PRIM:%x DINFO:%x\n",stack->port, frm->addr, frm->prim, frm->dinfo);
03527 #endif
03528 
03529    if (handle_timers(msg)) 
03530       return 0 ;
03531 
03532    
03533    if (handle_mgmt(msg)) 
03534       return 0 ; 
03535    
03536    if (handle_l2(msg)) 
03537       return 0 ;
03538 
03539    /* Its important to handle l1 AFTER l2  */
03540    if (handle_l1(msg)) 
03541       return 0 ;
03542    
03543    if (handle_frm_nt(msg)) {
03544       return 0;
03545    }
03546 
03547    if (handle_frm(msg)) {
03548       return 0;
03549    }
03550 
03551    if (handle_err(msg)) {
03552       return 0 ;
03553    }
03554 
03555    cb_log(0, 0, "Unhandled Message: prim %x len %d from addr %x, dinfo %x on this port.\n",frm->prim, frm->len, frm->addr, frm->dinfo);      
03556    free_msg(msg);
03557    
03558 
03559    return 0;
03560 }

void manager_ph_control	(	struct misdn_bchannel *	bc,
		int	c1,
		int	c2
	)

Definition at line 4072 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, cb_log, glob_mgr, misdn_lib::midev, and misdn_bchannel::port.

Referenced by isdn_lib_stop_dtmf(), isdn_lib_update_rxgain(), isdn_lib_update_txgain(), manager_ec_disable(), misdn_join_conf(), misdn_lib_echo(), misdn_lib_send_event(), misdn_lib_send_tone(), and misdn_split_conf().

04073 {
04074    unsigned char buffer[mISDN_HEADER_LEN+2*sizeof(int)];
04075    iframe_t *ctrl = (iframe_t *)buffer; /* preload data */
04076    unsigned int *d = (unsigned int*)&ctrl->data.p;
04077    /*struct misdn_stack *stack=get_stack_by_bc(bc);*/
04078    
04079    cb_log(4,bc->port,"ph_control: c1:%x c2:%x\n",c1,c2);
04080    
04081    ctrl->prim = PH_CONTROL | REQUEST;
04082    ctrl->addr = bc->addr | FLG_MSG_DOWN;
04083    ctrl->dinfo = 0;
04084    ctrl->len = sizeof(unsigned int)*2;
04085    *d++ = c1;
04086    *d++ = c2;
04087    mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04088 }

void manager_ph_control_block	(	struct misdn_bchannel *	bc,
		int	c1,
		void *	c2,
		int	c2_len
	)

Definition at line 4123 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, glob_mgr, and misdn_lib::midev.

Referenced by handle_event(), manager_ec_disable(), manager_ec_enable(), and misdn_lib_send_event().

04124 {
04125    unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+c2_len];
04126    iframe_t *ctrl = (iframe_t *)buffer;
04127    unsigned int *d = (unsigned int *)&ctrl->data.p;
04128    /*struct misdn_stack *stack=get_stack_by_bc(bc);*/
04129    
04130    ctrl->prim = PH_CONTROL | REQUEST;
04131    ctrl->addr = bc->addr | FLG_MSG_DOWN;
04132    ctrl->dinfo = 0;
04133    ctrl->len = sizeof(unsigned int) + c2_len;
04134    *d++ = c1;
04135    memcpy(d, c2, c2_len);
04136    mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04137 }

int misdn_cap_is_speech ( int cap )

Poor mans version

Definition at line 396 of file isdn_lib.c.

References INFO_CAPABILITY_DIGITAL_RESTRICTED, and INFO_CAPABILITY_DIGITAL_UNRESTRICTED.

Referenced by handle_bchan(), handle_event(), handle_event_nt(), manager_ec_disable(), manager_ec_enable(), misdn_lib_send_event(), and misdn_lib_tx2misdn_frm().

00398 {
00399    if ( (cap != INFO_CAPABILITY_DIGITAL_UNRESTRICTED) &&
00400         (cap != INFO_CAPABILITY_DIGITAL_RESTRICTED) ) return 1;
00401    return 0;
00402 }

int misdn_inband_avail ( struct misdn_bchannel * bc )

Definition at line 404 of file isdn_lib.c.

References misdn_bchannel::early_bconnect, INFO_PI_CALL_NOT_E2E_ISDN, INFO_PI_CALLED_NOT_ISDN, INFO_PI_INBAND_AVAILABLE, and misdn_bchannel::progress_indicator.

Referenced by misdn_indication().

00405 {
00406 
00407    /*if ! early_bconnect we have never inband available*/
00408    if ( ! bc->early_bconnect ) return 0;
00409    
00410    switch (bc->progress_indicator) {
00411    case INFO_PI_INBAND_AVAILABLE:
00412    case INFO_PI_CALL_NOT_E2E_ISDN:
00413    case INFO_PI_CALLED_NOT_ISDN:
00414       return 1;
00415    default:
00416       return 0;
00417    }
00418    return 0;
00419 }

void misdn_join_conf	(	struct misdn_bchannel *	bc,
		int	conf_id
	)

Definition at line 4362 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, bc_state_change(), BCHAN_BRIDGED, cb_log, len, manager_ph_control(), misdn_lib_tx2misdn_frm(), and misdn_bchannel::port.

Referenced by bc_state_change(), and misdn_lib_bridge().

04363 {
04364    bc_state_change(bc,BCHAN_BRIDGED);
04365    manager_ph_control(bc, CMX_RECEIVE_OFF, 0);
04366    manager_ph_control(bc, CMX_CONF_JOIN, conf_id);
04367 
04368    cb_log(3,bc->port, "Joining bc:%x in conf:%d\n",bc->addr,conf_id);
04369 
04370    char data[16];
04371    int len=15;
04372 
04373    memset(data,0,15);
04374    
04375    misdn_lib_tx2misdn_frm(bc, data, len);
04376 
04377 }

void misdn_lib_bridge	(	struct misdn_bchannel *	bc1,
		struct misdn_bchannel *	bc2
	)

Definition at line 4389 of file isdn_lib.c.

References bc_next_state_change(), BCHAN_ACTIVATED, BCHAN_BRIDGED, cb_log, misdn_bchannel::conf_id, misdn_join_conf(), misdn_bchannel::pid, and misdn_bchannel::port.

Referenced by misdn_bridge().

04389                                                                                 {
04390    int conf_id=bc1->pid +1;
04391 
04392    cb_log(4, bc1->port, "I Send: BRIDGE from:%d to:%d\n",bc1->port,bc2->port);
04393    
04394    struct misdn_bchannel *bc_list[]={
04395       bc1,bc2,NULL
04396    };
04397    struct misdn_bchannel **bc;
04398       
04399    for (bc=bc_list; *bc;  bc++) { 
04400       (*bc)->conf_id=conf_id;
04401       cb_log(4, (*bc)->port, " --> bc_addr:%x\n",(*bc)->addr);
04402    
04403       switch((*bc)->bc_state) {
04404          case BCHAN_ACTIVATED:
04405             misdn_join_conf(*bc,conf_id);
04406             break;
04407          default:
04408             bc_next_state_change(*bc,BCHAN_BRIDGED);
04409             break;
04410       }
04411    }
04412 }

void misdn_lib_destroy ( void )

Definition at line 3935 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::b_num, misdn_stack::bc, cb_log, misdn_lib::event_handler_thread, misdn_lib::event_thread, glob_mgr, global_state, misdn_stack::midev, misdn_lib::midev, MISDN_INITIALIZED, misdn_stack::next, misdn_stack::port, stack_destroy(), misdn_lib::stack_list, and te_lib_destroy().

Referenced by unload_module().

03936 {
03937    struct misdn_stack *help;
03938    int i;
03939   
03940    for ( help=glob_mgr->stack_list; help; help=help->next ) {
03941       for(i=0;i<=help->b_num; i++) {
03942          char buf[1024];
03943          mISDN_write_frame(help->midev, buf, help->bc[i].addr, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
03944          help->bc[i].addr = 0;
03945       }
03946       cb_log (1, help->port, "Destroying this port.\n");
03947       stack_destroy(help);
03948    }
03949    
03950    if (global_state == MISDN_INITIALIZED) {
03951       cb_log(4, 0, "Killing Handler Thread\n");
03952       if ( pthread_cancel(glob_mgr->event_handler_thread) == 0 ) {
03953          cb_log(4, 0, "Joining Handler Thread\n");
03954          pthread_join(glob_mgr->event_handler_thread, NULL);
03955       }
03956      
03957       cb_log(4, 0, "Killing Main Thread\n");
03958       if ( pthread_cancel(glob_mgr->event_thread) == 0 ) {
03959          cb_log(4, 0, "Joining Main Thread\n");
03960          pthread_join(glob_mgr->event_thread, NULL);
03961       }
03962    }
03963   
03964    cb_log(1, 0, "Closing mISDN device\n");
03965    te_lib_destroy(glob_mgr->midev);
03966 }

void misdn_lib_echo	(	struct misdn_bchannel *	bc,
		int	onoff
	)

Definition at line 4434 of file isdn_lib.c.

References cb_log, manager_ph_control(), and misdn_bchannel::port.

04435 {
04436    cb_log(3,bc->port, " --> ECHO %s\n", onoff?"ON":"OFF");
04437    manager_ph_control(bc, onoff?CMX_ECHO_ON:CMX_ECHO_OFF, 0);
04438 }

struct misdn_bchannel* misdn_lib_get_free_bc	(	int	port,
		int	channel,
		int	inout,
		int	dec
	)

Definition at line 3073 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_stack::blocked, cb_log, misdn_bchannel::channel, misdn_bchannel::cw, misdn_bchannel::dec, glob_mgr, misdn_bchannel::in_use, MAX_BCHANS, misdn_stack::next, misdn_stack::port, prepare_bc(), misdn_stack::pri, misdn_stack::ptp, and misdn_lib::stack_list.

Referenced by handle_cr(), handle_event_nt(), and misdn_request().

03074 {
03075    struct misdn_stack *stack;
03076    int i;
03077    
03078    if (channel < 0 || channel > MAX_BCHANS) {
03079       cb_log(0,port,"Requested channel out of bounds (%d)\n",channel);
03080       return NULL;
03081    }
03082 
03083    for (stack=glob_mgr->stack_list; stack; stack=stack->next) {
03084     
03085       if (stack->port == port) {
03086          if (stack->blocked) {
03087             cb_log(0,port,"Port is blocked\n");
03088             return NULL;
03089          }
03090       
03091          if (channel > 0) {
03092             if (channel <= stack->b_num) {
03093                for (i = 0; i < stack->b_num; i++) {
03094                   if (stack->bc[i].in_use && stack->bc[i].channel == channel) {
03095                      cb_log(0,port,"Requested channel:%d on port:%d is already in use\n",channel, port);
03096                      return NULL;
03097                   }
03098                }
03099             } else {
03100                cb_log(0,port,"Requested channel:%d is out of bounds on port:%d\n",channel, port);
03101                return NULL;
03102             }
03103          }
03104 
03105          int maxnum=inout&&!stack->pri&&!stack->ptp?stack->b_num+1:stack->b_num;
03106 
03107          if (dec) {
03108             for (i = maxnum-1; i>=0; i--) {
03109                if (!stack->bc[i].in_use) {
03110                   /* 3. channel on bri means CW*/
03111                   if (!stack->pri && i==stack->b_num)
03112                      stack->bc[i].cw=1;
03113                      
03114                   prepare_bc(&stack->bc[i], channel);
03115                   stack->bc[i].dec=1;
03116                   return &stack->bc[i];
03117                }
03118             }
03119          } else {
03120             for (i = 0; i <maxnum; i++) {
03121                if (!stack->bc[i].in_use) {
03122                   /* 3. channel on bri means CW*/
03123                   if (!stack->pri && i==stack->b_num)
03124                      stack->bc[i].cw=1;
03125 
03126                   prepare_bc(&stack->bc[i], channel);
03127                   return &stack->bc[i];
03128                }
03129             }
03130          }
03131 
03132          cb_log(1,port,"There is no free channel on port (%d)\n",port);
03133          return NULL;
03134       }
03135    }
03136 
03137    cb_log(0,port,"Port is not configured (%d)\n",port);
03138    return NULL;
03139 }

static int misdn_lib_get_l1_down ( struct misdn_stack * stack ) [static]

Definition at line 731 of file isdn_lib.c.

References misdn_stack::midev, and misdn_stack::upper_id.

Referenced by handle_err(), and misdn_lib_get_port_down().

00732 {
00733    /* Pull Up L1 */ 
00734    iframe_t act;
00735    act.prim = PH_DEACTIVATE | REQUEST; 
00736    act.addr = (stack->upper_id | FLG_MSG_DOWN)  ;
00737 
00738    
00739    act.dinfo = 0;
00740    act.len = 0;
00741 
00742    return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00743 
00744 
00745 }

static int misdn_lib_get_l1_up ( struct misdn_stack * stack ) [static]

Definition at line 774 of file isdn_lib.c.

References misdn_stack::midev, and misdn_stack::upper_id.

Referenced by misdn_lib_get_port_up(), misdn_lib_isdn_l1watcher(), misdn_lib_reinit_nt_stack(), and misdn_lib_send_event().

00775 {
00776    /* Pull Up L1 */ 
00777    iframe_t act;
00778    act.prim = PH_ACTIVATE | REQUEST; 
00779    act.addr = (stack->upper_id | FLG_MSG_DOWN)  ;
00780 
00781    
00782    act.dinfo = 0;
00783    act.len = 0;
00784 
00785    return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00786 
00787 }

static int misdn_lib_get_l2_down ( struct misdn_stack * stack ) [static]

Definition at line 748 of file isdn_lib.c.

References create_l2msg(), misdn_stack::midev, misdn_stack::nst, misdn_stack::nt, misdn_stack::ptp, and misdn_stack::upper_id.

Referenced by handle_err(), and misdn_lib_get_port_down().

00749 {
00750    
00751    if (stack->ptp && (stack->nt) ) {
00752       msg_t *dmsg;
00753       /* L2 */
00754       dmsg = create_l2msg(DL_RELEASE| REQUEST, 0, 0);
00755       
00756       if (stack->nst.manager_l3(&stack->nst, dmsg))
00757          free_msg(dmsg);
00758       
00759    } else {
00760       iframe_t act;
00761       
00762       act.prim = DL_RELEASE| REQUEST;
00763       act.addr = (stack->upper_id |FLG_MSG_DOWN)  ;
00764       
00765       act.dinfo = 0;
00766       act.len = 0;
00767       return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00768    }
00769    
00770    return 0;
00771 }

int misdn_lib_get_l2_up ( struct misdn_stack * stack )

Definition at line 789 of file isdn_lib.c.

References create_l2msg(), misdn_stack::midev, misdn_stack::nst, misdn_stack::nt, misdn_stack::ptp, and misdn_stack::upper_id.

Referenced by handle_event_nt(), handle_l1(), misdn_lib_get_port_up(), misdn_lib_isdn_l1watcher(), and misdn_lib_reinit_nt_stack().

00790 {
00791    
00792    if (stack->ptp && (stack->nt) ) {
00793       msg_t *dmsg;
00794       /* L2 */
00795       dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0);
00796       
00797       if (stack->nst.manager_l3(&stack->nst, dmsg))
00798          free_msg(dmsg);
00799       
00800    } else {
00801       iframe_t act;
00802       
00803       act.prim = DL_ESTABLISH | REQUEST;
00804       act.addr = (stack->upper_id |FLG_MSG_DOWN)  ;
00805       
00806       act.dinfo = 0;
00807       act.len = 0;
00808       return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00809    }
00810    
00811    return 0;
00812 }

int misdn_lib_get_maxchans ( int port )

Definition at line 89 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, misdn_stack::port, and misdn_stack::pri.

Referenced by misdn_request().

00090 {
00091    struct misdn_stack *stack=get_misdn_stack();
00092    for ( ; stack; stack=stack->next) {
00093       if (stack->port == port) {
00094          if (stack->pri) 
00095             return 30;
00096          else
00097             return 2;
00098       }
00099    }
00100    return -1;
00101 }

int misdn_lib_get_port_down ( int port )

Definition at line 1683 of file isdn_lib.c.

References glob_mgr, misdn_stack::l2link, misdn_lib_get_l1_down(), misdn_lib_get_l2_down(), misdn_stack::next, misdn_stack::port, and misdn_lib::stack_list.

Referenced by misdn_port_down().

01684 { /* Pull Down L1 */ 
01685    struct misdn_stack *stack;
01686    for (stack=glob_mgr->stack_list;
01687         stack;
01688         stack=stack->next) {
01689       if (stack->port == port) {
01690             if (stack->l2link)
01691                misdn_lib_get_l2_down(stack);
01692             misdn_lib_get_l1_down(stack);
01693          return 0;
01694       }
01695    }
01696    return 0;
01697 }

int misdn_lib_get_port_info ( int port )

Definition at line 3565 of file isdn_lib.c.

References misdn_lib::activatequeue, cb_log, find_stack_by_port(), glob_mgr, misdn_lib::new_msg, and misdn_stack::upper_id.

03566 {
03567    msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03568    iframe_t *frm;
03569    struct misdn_stack *stack=find_stack_by_port(port);
03570    if (!msg) {
03571       cb_log(0, port, "misgn_lib_get_port: alloc_msg failed!\n");
03572       return -1;
03573    }
03574    frm=(iframe_t*)msg->data;
03575    if (!stack ) {
03576       cb_log(0, port, "There is no Stack for this port.\n");
03577       return -1;
03578    }
03579    /* activate bchannel */
03580    frm->prim = CC_STATUS_ENQUIRY | REQUEST;
03581 
03582    frm->addr = stack->upper_id| FLG_MSG_DOWN;
03583 
03584    frm->dinfo = 0;
03585    frm->len = 0;
03586   
03587    msg_queue_tail(&glob_mgr->activatequeue, msg);
03588    sem_post(&glob_mgr->new_msg);
03589 
03590   
03591    return 0; 
03592 }

int misdn_lib_get_port_up ( int port )

Definition at line 1661 of file isdn_lib.c.

References glob_mgr, misdn_stack::l1link, misdn_stack::l2link, misdn_lib_get_l1_up(), misdn_lib_get_l2_up(), misdn_stack::next, misdn_stack::port, and misdn_lib::stack_list.

Referenced by misdn_port_up().

01662 { /* Pull Up L1 */ 
01663    struct misdn_stack *stack;
01664    
01665    for (stack=glob_mgr->stack_list;
01666         stack;
01667         stack=stack->next) {
01668       
01669       if (stack->port == port) {
01670 
01671          if (!stack->l1link)
01672             misdn_lib_get_l1_up(stack);
01673          if (!stack->l2link)
01674             misdn_lib_get_l2_up(stack);
01675          
01676          return 0;
01677       }
01678    }
01679    return 0;
01680 }

static int misdn_lib_get_short_status ( struct misdn_stack * stack ) [static]

Definition at line 829 of file isdn_lib.c.

References misdn_stack::midev, and misdn_stack::upper_id.

Referenced by misdn_lib_isdn_l1watcher().

00830 {
00831    iframe_t act;
00832    
00833    
00834    act.prim = MGR_SHORTSTATUS | REQUEST; 
00835    
00836    act.addr = (stack->upper_id | MSG_BROADCAST)  ;
00837 
00838    act.dinfo = SSTATUS_BROADCAST_BIT | SSTATUS_ALL;
00839    
00840    act.len = 0;
00841    return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00842 }

int misdn_lib_init	(	char *	portlist,
		struct misdn_lib_iface *	iface,
		void *	user_data
	)

Definition at line 3827 of file isdn_lib.c.

References misdn_lib::activatequeue, misdn_stack::b_num, misdn_stack::bc, calloc, cb_event, misdn_lib_iface::cb_event, cb_jb_empty, misdn_lib_iface::cb_jb_empty, cb_log, misdn_lib_iface::cb_log, flip_buf_bits(), glob_mgr, init_bc(), init_flip_bits(), misdn_stack::mgr, misdn_lib::midev, misdn_stack::midev, misdn_lib_nt_debug_init(), misdn_lib::new_msg, misdn_stack::next, misdn_stack::port, ptp, stack_init(), te_lib_init(), tone_425_flip, and tone_silence_flip.

Referenced by load_module().

03828 {
03829    struct misdn_lib *mgr=calloc(1, sizeof(struct misdn_lib));
03830    char *tok, *tokb;
03831    char plist[1024];
03832    int midev;
03833    int port_count=0;
03834  
03835    cb_log = iface->cb_log;
03836    cb_event = iface->cb_event;
03837    cb_jb_empty = iface->cb_jb_empty;
03838    
03839    glob_mgr = mgr;
03840   
03841    msg_init();
03842 
03843    misdn_lib_nt_debug_init(0,NULL);
03844    
03845    if (!portlist || (*portlist == 0) ) return 1;
03846    
03847    init_flip_bits();
03848    
03849    {
03850       strncpy(plist,portlist, 1024);
03851       plist[1023] = 0;
03852    }
03853   
03854    memcpy(tone_425_flip,tone_425,TONE_425_SIZE);
03855    flip_buf_bits(tone_425_flip,TONE_425_SIZE);
03856 
03857    memcpy(tone_silence_flip,tone_SILENCE,TONE_SILENCE_SIZE);
03858    flip_buf_bits(tone_silence_flip,TONE_SILENCE_SIZE);
03859   
03860    midev=te_lib_init();
03861    mgr->midev=midev;
03862 
03863    port_count=mISDN_get_stack_count(midev);
03864   
03865    msg_queue_init(&mgr->activatequeue);
03866   
03867    if (sem_init(&mgr->new_msg, 1, 0)<0)
03868       sem_init(&mgr->new_msg, 0, 0);
03869  
03870    for (tok=strtok_r(plist," ,",&tokb );
03871         tok; 
03872         tok=strtok_r(NULL," ,",&tokb)) {
03873       int port = atoi(tok);
03874       struct misdn_stack *stack;
03875       static int first=1;
03876       int ptp=0;
03877     
03878       if (strstr(tok, "ptp"))
03879          ptp=1;
03880 
03881       if (port > port_count) {
03882          cb_log(0, port, "Couldn't Initialize this port since we have only %d ports\n", port_count);
03883          exit(1);
03884       }
03885       stack=stack_init(midev, port, ptp);
03886     
03887       if (!stack) {
03888          perror("init_stack");
03889          exit(1);
03890       }
03891     
03892       {
03893          int i;
03894          for(i=0;i<=stack->b_num; i++) {
03895             int r;
03896             if ((r=init_bc(stack, &stack->bc[i], stack->midev,port,i, "", 1))<0) {
03897                cb_log(0, port, "Got Err @ init_bc :%d\n",r);
03898                exit(1);
03899             }
03900          }
03901       }
03902 
03903       if (stack && first) {
03904          mgr->stack_list=stack;
03905          first=0;
03906          continue;
03907       }
03908     
03909       if (stack) {
03910          struct misdn_stack * help;
03911          for ( help=mgr->stack_list; help; help=help->next ) 
03912             if (help->next == NULL) break;
03913          help->next=stack;
03914       }
03915     
03916    }
03917   
03918    if (sem_init(&handler_started, 1, 0)<0)
03919       sem_init(&handler_started, 0, 0);
03920   
03921    cb_log(8, 0, "Starting Event Handler\n");
03922    pthread_create( &mgr->event_handler_thread, NULL,(void*)manager_event_handler, mgr);
03923   
03924    sem_wait(&handler_started) ;
03925    cb_log(8, 0, "Starting Event Catcher\n");
03926    pthread_create( &mgr->event_thread, NULL, (void*)misdn_lib_isdn_event_catcher, mgr);
03927   
03928    cb_log(8, 0, "Event Catcher started\n");
03929 
03930    global_state= MISDN_INITIALIZED; 
03931   
03932    return (mgr == NULL);
03933 }

int misdn_lib_is_port_blocked ( int port )

Definition at line 69 of file isdn_lib.c.

References misdn_stack::blocked, get_misdn_stack(), misdn_stack::next, and misdn_stack::port.

00070 {  
00071    struct misdn_stack *stack=get_misdn_stack();
00072    for ( ; stack; stack=stack->next) {
00073       if (stack->port == port) {
00074          return stack->blocked;
00075       }
00076    }
00077    return -1;
00078 }

int misdn_lib_is_ptp ( int port )

Definition at line 80 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, misdn_stack::port, and misdn_stack::ptp.

Referenced by do_immediate_setup().

00081 {
00082    struct misdn_stack *stack=get_misdn_stack();
00083    for ( ; stack; stack=stack->next) {
00084       if (stack->port == port) return stack->ptp;
00085    }
00086    return -1;
00087 }

static void misdn_lib_isdn_event_catcher ( void * arg ) [static]

Definition at line 2936 of file isdn_lib.c.

References cb_log, fetch_msg(), manager_isdn_handler(), and misdn_lib::midev.

02937 {
02938    struct misdn_lib *mgr = arg;
02939    int zero_frm=0 , fff_frm=0 ;
02940    int midev= mgr->midev;
02941    int port=0;
02942    
02943    while (1) {
02944       msg_t *msg = fetch_msg(midev); 
02945       iframe_t *frm;
02946       
02947       
02948       if (!msg) continue;
02949       
02950       frm = (iframe_t*) msg->data;
02951       
02952       /** When we make a call from NT2Ast we get this frames **/
02953       if (frm->len == 0 && frm->addr == 0 && frm->dinfo == 0 && frm->prim == 0 ) {
02954          zero_frm++; 
02955          free_msg(msg);
02956          continue;
02957       } else {
02958          if (zero_frm) {
02959             cb_log(0, port, "*** Alert: %d zero_frms caught\n", zero_frm);
02960             zero_frm = 0 ;
02961          }
02962       }
02963       
02964       /** I get this sometimes after setup_bc **/
02965       if (frm->len == 0 &&  frm->dinfo == 0 && frm->prim == 0xffffffff ) {
02966          fff_frm++; 
02967          free_msg(msg);
02968          continue;
02969       } else {
02970          if (fff_frm) {
02971             cb_log(0, port, "*** Alert: %d fff_frms caught\n", fff_frm);
02972             fff_frm = 0 ;
02973          }
02974       }
02975       
02976       manager_isdn_handler(frm, msg);
02977    }
02978 
02979 }

void misdn_lib_isdn_l1watcher ( int port )

Definition at line 2918 of file isdn_lib.c.

References cb_log, glob_mgr, misdn_stack::l1link, misdn_lib_get_l1_up(), misdn_lib_get_l2_up(), misdn_lib_get_short_status(), misdn_stack::next, misdn_stack::port, and misdn_lib::stack_list.

Referenced by misdn_l1_task().

02919 {
02920    struct misdn_stack *stack;
02921 
02922    for (stack = glob_mgr->stack_list; stack && (stack->port != port); stack = stack->next)
02923       ;
02924 
02925    if (stack) {
02926       cb_log(4, port, "Checking L1 State\n");   
02927       if (!stack->l1link) {
02928          cb_log(4, port, "L1 State Down, trying to get it up again\n"); 
02929          misdn_lib_get_short_status(stack);
02930          misdn_lib_get_l1_up(stack); 
02931          misdn_lib_get_l2_up(stack); 
02932       }
02933    }
02934 }

void misdn_lib_log_ies ( struct misdn_bchannel * bc )

Definition at line 3160 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::b_stid, misdn_stack::bc, bearer2str(), misdn_bchannel::cad, misdn_bchannel::capability, misdn_bchannel::cause, cb_log, misdn_bchannel::channel, misdn_bchannel::cpnnumplan, misdn_bchannel::dnumplan, fac2str(), misdn_bchannel::fac_in, misdn_bchannel::fac_out, get_stack_by_bc(), misdn_bchannel::holded, misdn_bchannel::info_dad, misdn_bchannel::keypad, misdn_bchannel::l3_id, misdn_bchannel::layer_id, misdn_bchannel::mode, misdn_stack::nt, misdn_bchannel::onumplan, misdn_bchannel::out_cause, misdn_stack::port, misdn_bchannel::pres, misdn_bchannel::progress_indicator, misdn_bchannel::rad, misdn_bchannel::rate, misdn_bchannel::rnumplan, misdn_bchannel::screen, misdn_bchannel::sending_complete, misdn_bchannel::stack_holder, misdn_bchannel::urate, and misdn_bchannel::user1.

Referenced by cb_events(), and misdn_lib_send_event().

03161 {
03162    if (!bc) return;
03163 
03164    struct misdn_stack *stack=get_stack_by_bc(bc);
03165 
03166    if (!stack) return;
03167 
03168    cb_log(2, stack->port, " --> channel:%d mode:%s cause:%d ocause:%d rad:%s cad:%s\n", bc->channel, stack->nt?"NT":"TE", bc->cause, bc->out_cause, bc->rad, bc->cad);
03169    
03170    cb_log(2, stack->port,
03171           " --> info_dad:%s onumplan:%c dnumplan:%c rnumplan:%c cpnnumplan:%c\n",
03172           bc->info_dad,
03173           bc->onumplan>=0?'0'+bc->onumplan:' ',
03174           bc->dnumplan>=0?'0'+bc->dnumplan:' ',
03175           bc->rnumplan>=0?'0'+bc->rnumplan:' ',
03176           bc->cpnnumplan>=0?'0'+bc->cpnnumplan:' '
03177       );
03178    
03179    cb_log(3, stack->port, " --> caps:%s pi:%x keypad:%s sending_complete:%d\n", bearer2str(bc->capability),bc->progress_indicator, bc->keypad, bc->sending_complete);
03180    cb_log(4, stack->port, " --> screen:%d --> pres:%d\n",
03181          bc->screen, bc->pres);
03182    
03183    cb_log(4, stack->port, " --> addr:%x l3id:%x b_stid:%x layer_id:%x\n", bc->addr, bc->l3_id, bc->b_stid, bc->layer_id);
03184    
03185    cb_log(4, stack->port, " --> facility:%s out_facility:%s\n",fac2str(bc->fac_in.Function),fac2str(bc->fac_out.Function));
03186 
03187    cb_log(5, stack->port, " --> urate:%d rate:%d mode:%d user1:%d\n", bc->urate, bc->rate, bc->mode,bc->user1);
03188    
03189    cb_log(5, stack->port, " --> bc:%x h:%d sh:%d\n", bc, bc->holded, bc->stack_holder);
03190 }

int misdn_lib_maxports_get ( void )

Definition at line 3791 of file isdn_lib.c.

Referenced by load_module().

03791                              { /** BE AWARE WE HAVE NO CB_LOG HERE! **/
03792    
03793    int i = mISDN_open();
03794    int max=0;
03795    
03796    if (i<0)
03797       return -1;
03798 
03799    max = mISDN_get_stack_count(i);
03800    
03801    mISDN_close(i);
03802    
03803    return max;
03804 }

void misdn_lib_nt_debug_init	(	int	flags,
		char *	file
	)

Definition at line 3807 of file isdn_lib.c.

References f.

Referenced by load_module(), and misdn_lib_init().

03808 {
03809    int static init=0;
03810    char *f;
03811    
03812    if (!flags) 
03813       f=NULL;
03814    else
03815       f=file;
03816 
03817    if (!init) {
03818       debug_init( flags , f, f, f);
03819       init=1;
03820    } else {
03821       debug_close();
03822       debug_init( flags , f, f, f);
03823    }
03824 }

int misdn_lib_pid_restart ( int pid )

Definition at line 3620 of file isdn_lib.c.

References manager_clean_bc(), and manager_find_bc_by_pid().

Referenced by misdn_restart_pid().

03621 {
03622    struct misdn_bchannel *bc=manager_find_bc_by_pid(pid);
03623 
03624    if (bc) {
03625       manager_clean_bc(bc);
03626    }
03627    return 0;
03628 }

int misdn_lib_port_block ( int port )

Definition at line 43 of file isdn_lib.c.

References misdn_stack::blocked, get_misdn_stack(), misdn_stack::next, and misdn_stack::port.

Referenced by cb_events(), and misdn_port_block().

00044 {
00045    struct misdn_stack *stack=get_misdn_stack();
00046    for ( ; stack; stack=stack->next) {
00047       if (stack->port == port) {
00048          stack->blocked=1;
00049          return 0;
00050       }
00051    }
00052    return -1;
00053 
00054 }

int misdn_lib_port_is_pri ( int port )

Definition at line 30 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, misdn_stack::port, and misdn_stack::pri.

Referenced by misdn_new(), and update_name().

00031 {
00032    struct misdn_stack *stack=get_misdn_stack();
00033    for ( ; stack; stack=stack->next) {
00034       if (stack->port == port) {
00035          return stack->pri;
00036       }
00037    }
00038    
00039    return -1;
00040 }

int misdn_lib_port_restart ( int port )

Definition at line 3655 of file isdn_lib.c.

References misdn_lib::activatequeue, cb_log, clear_l3(), find_stack_by_port(), glob_mgr, misdn_lib_reinit_nt_stack(), misdn_lib::new_msg, misdn_stack::nt, misdn_stack::port, and misdn_stack::upper_id.

Referenced by misdn_restart_port().

03656 {
03657    struct misdn_stack *stack=find_stack_by_port(port);
03658  
03659    cb_log(0, port, "Restarting this port.\n");
03660    if (stack) {
03661       cb_log(0, port, "Stack:%p\n",stack);
03662          
03663       clear_l3(stack);
03664       {
03665          msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03666          iframe_t *frm;
03667 
03668          if (!msg) {
03669             cb_log(0, port, "port_restart: alloc_msg failed\n");
03670             return -1;
03671          }
03672          
03673          frm=(iframe_t*)msg->data;
03674          /* we must activate if we are deactivated */
03675          /* activate bchannel */
03676          frm->prim = DL_RELEASE | REQUEST;
03677          frm->addr = stack->upper_id | FLG_MSG_DOWN;
03678 
03679          frm->dinfo = 0;
03680          frm->len = 0;
03681          msg_queue_tail(&glob_mgr->activatequeue, msg);
03682          sem_post(&glob_mgr->new_msg);
03683       }
03684 
03685       if (stack->nt)
03686          misdn_lib_reinit_nt_stack(stack->port);
03687     
03688    }
03689 
03690    return 0;
03691 }

int misdn_lib_port_unblock ( int port )

Definition at line 56 of file isdn_lib.c.

References misdn_stack::blocked, get_misdn_stack(), misdn_stack::next, and misdn_stack::port.

Referenced by misdn_port_unblock().

00057 {
00058    struct misdn_stack *stack=get_misdn_stack();
00059    for ( ; stack; stack=stack->next) {
00060       if (stack->port == port) {
00061          stack->blocked=0;
00062          return 0;
00063       }
00064    }
00065    return -1;
00066 
00067 }

int misdn_lib_port_up	(	int	port,
		int	check
	)

Definition at line 1699 of file isdn_lib.c.

References misdn_stack::blocked, cb_log, glob_mgr, misdn_stack::l1link, misdn_stack::l2link, misdn_stack::next, misdn_stack::port, misdn_stack::ptp, and misdn_lib::stack_list.

Referenced by misdn_request().

01700 {
01701    struct misdn_stack *stack;
01702 
01703 
01704    for (stack=glob_mgr->stack_list;
01705         stack;
01706         stack=stack->next) {
01707       
01708       if (stack->port == port) {
01709 
01710          if (stack->blocked) {
01711             cb_log(0,port, "Port Blocked:%d L2:%d L1:%d\n", stack->blocked, stack->l2link, stack->l1link);
01712             return -1;
01713          }
01714 
01715          if (stack->ptp ) {
01716 
01717             if (stack->l1link && stack->l2link) {
01718                return 1;
01719             } else {
01720                cb_log(0,port, "Port Down L2:%d L1:%d\n",
01721                   stack->l2link, stack->l1link);
01722                return 0;
01723             }
01724          } else {
01725             if ( !check || stack->l1link )
01726                return 1;
01727             else {
01728                cb_log(0,port, "Port down PMP\n");
01729                return 0;
01730             }
01731          }
01732       }
01733    }
01734   
01735    return -1;
01736 }

void misdn_lib_reinit_nt_stack ( int port )

Definition at line 4442 of file isdn_lib.c.

References misdn_stack::blocked, misdn_stack::d_stid, find_stack_by_port(), glob_mgr, handle_event_nt(), misdn_stack::l2link, misdn_stack::lower_id, misdn_stack::mgr, misdn_lib::midev, misdn_lib_get_l1_up(), misdn_lib_get_l2_up(), misdn_stack::nst, misdn_stack::pri, misdn_stack::ptp, and misdn_stack::upper_id.

Referenced by handle_event_nt(), and misdn_lib_port_restart().

04443 {
04444    struct misdn_stack *stack=find_stack_by_port(port);
04445    
04446    if (stack) {
04447       stack->l2link=0;
04448       stack->blocked=0;
04449    
04450       cleanup_Isdnl3(&stack->nst);
04451       cleanup_Isdnl2(&stack->nst);
04452 
04453 
04454       memset(&stack->nst, 0, sizeof(net_stack_t));
04455       memset(&stack->mgr, 0, sizeof(manager_t));
04456    
04457       stack->mgr.nst = &stack->nst;
04458       stack->nst.manager = &stack->mgr;
04459     
04460       stack->nst.l3_manager = handle_event_nt;
04461       stack->nst.device = glob_mgr->midev;
04462       stack->nst.cardnr = port;
04463       stack->nst.d_stid = stack->d_stid;
04464    
04465       stack->nst.feature = FEATURE_NET_HOLD;
04466       if (stack->ptp)
04467          stack->nst.feature |= FEATURE_NET_PTP;
04468       if (stack->pri)
04469          stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
04470       
04471       stack->nst.l1_id = stack->lower_id;
04472       stack->nst.l2_id = stack->upper_id;
04473       
04474       msg_queue_init(&stack->nst.down_queue);
04475    
04476       Isdnl2Init(&stack->nst);
04477       Isdnl3Init(&stack->nst);
04478 
04479       if (!stack->ptp)
04480          misdn_lib_get_l1_up(stack);
04481       misdn_lib_get_l2_up(stack);
04482    }
04483 }

void misdn_lib_release ( struct misdn_bchannel * bc )

Definition at line 1642 of file isdn_lib.c.

References misdn_stack::bc, cb_log, misdn_bchannel::channel, clean_up_bc(), empty_bc(), empty_chan_in_stack(), and get_stack_by_bc().

Referenced by misdn_hangup().

01643 {
01644    struct misdn_stack *stack=get_stack_by_bc(bc);
01645 
01646    if (!stack) {
01647       cb_log(1,0,"misdn_release: No Stack found\n");
01648       return;
01649    }
01650    
01651    if (bc->channel>0) {
01652       empty_chan_in_stack(stack,bc->channel);
01653    }
01654    empty_bc(bc);
01655    clean_up_bc(bc);
01656 }

int misdn_lib_send_event	(	struct misdn_bchannel *	bc,
		enum event_e	event
	)

Definition at line 3192 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), bc_state_change(), BCHAN_BRIDGED, BCHAN_CLEANED, misdn_bchannel::capability, misdn_bchannel::cause, cb_log, misdn_bchannel::channel, clean_up_bc(), misdn_bchannel::conf_id, create_process(), misdn_bchannel::crypt_key, misdn_bchannel::dad, misdn_bchannel::dnumplan, misdn_stack::downqueue, empty_bc(), empty_chan_in_stack(), ENOCHAN, EVENT_ALERTING, EVENT_CONNECT, EVENT_CONNECT_ACKNOWLEDGE, EVENT_DISCONNECT, EVENT_HOLD_ACKNOWLEDGE, EVENT_PROCEEDING, EVENT_PROGRESS, EVENT_RELEASE, EVENT_RELEASE_COMPLETE, EVENT_RETRIEVE_ACKNOWLEDGE, EVENT_SETUP, EVENT_SETUP_ACKNOWLEDGE, misdn_bchannel::evq, find_bc_by_confid(), find_free_chan_in_stack(), get_stack_by_bc(), glob_mgr, misdn_bchannel::holded, isdn_get_info(), isdn_msg_build_event(), misdn_stack::l1link, malloc, manager_ec_enable(), manager_ph_control(), manager_ph_control_block(), misdn_lib::midev, misdn_cap_is_speech(), misdn_lib_get_l1_up(), misdn_lib_log_ies(), misdn_split_conf(), msgs_g, misdn_bchannel::need_disconnect, misdn_bchannel::need_release, misdn_bchannel::need_release_complete, misdn_lib::new_msg, misdn_bchannel::nodsp, misdn_stack::nt, misdn_bchannel::nt, misdn_bchannel::oad, misdn_bchannel::onumplan, misdn_bchannel::out_cause, misdn_bchannel::pid, misdn_bchannel::port, misdn_stack::port, misdn_stack::ptp, misdn_bchannel::rxgain, set_chan_in_stack(), setup_bc(), stack_holder_add(), misdn_bchannel::txgain, and misdn_stack::upper_id.

Referenced by cb_events(), do_immediate_setup(), handle_event(), handle_event_nt(), handle_frm(), handle_l1(), misdn_answer(), misdn_call(), misdn_digit_end(), misdn_facility_exec(), misdn_hangup(), misdn_indication(), misdn_lib_send_restart(), misdn_overlap_dial_task(), misdn_send_cd(), misdn_send_display(), and misdn_send_text().

03193 {
03194    msg_t *msg; 
03195    int err = -1 ;
03196    int ret=0;
03197   
03198    if (!bc) goto ERR; 
03199    
03200    struct misdn_stack *stack=get_stack_by_bc(bc);
03201    
03202    if (!stack) {
03203       cb_log(0,bc->port,"SENDEVENT: no Stack for event:%s oad:%s dad:%s \n", isdn_get_info(msgs_g, event, 0), bc->oad, bc->dad);
03204       return -1;
03205    }
03206    
03207    cb_log(6,stack->port,"SENDEVENT: stack->nt:%d stack->uperid:%x\n",stack->nt, stack->upper_id);
03208 
03209    if ( stack->nt && !stack->l1link) {
03210       /** Queue Event **/
03211       bc->evq=event;
03212       cb_log(1, stack->port, "Queueing Event %s because L1 is down (btw. Activating L1)\n", isdn_get_info(msgs_g, event, 0));
03213       misdn_lib_get_l1_up(stack);
03214       return 0;
03215    }
03216    
03217    cb_log(1, stack->port, "I SEND:%s oad:%s dad:%s pid:%d\n", isdn_get_info(msgs_g, event, 0), bc->oad, bc->dad, bc->pid);
03218    cb_log(4, stack->port, " --> bc_state:%s\n",bc_state2str(bc->bc_state));
03219    misdn_lib_log_ies(bc);
03220    
03221    switch (event) {
03222    case EVENT_SETUP:
03223       if (create_process(glob_mgr->midev, bc)<0) {
03224          cb_log(0,  stack->port, " No free channel at the moment @ send_event\n");
03225 
03226          err=-ENOCHAN;
03227          goto ERR;
03228       }
03229 #if 0
03230    if (stack->nt) {
03231       ret=setup_bc(bc);
03232       if (ret == -EINVAL) {
03233          cb_log(0,bc->port,"send_event: setup_bc failed\n");
03234       }
03235    }
03236 #endif
03237       break;
03238 
03239    case EVENT_PROGRESS:
03240    case EVENT_ALERTING:
03241    case EVENT_PROCEEDING:
03242    case EVENT_SETUP_ACKNOWLEDGE:
03243       if (!bc->nt && !stack->ptp) break;
03244 
03245    case EVENT_CONNECT:
03246    case EVENT_RETRIEVE_ACKNOWLEDGE:
03247 
03248       if (stack->nt) {
03249          if (bc->channel <=0 ) { /*  else we have the channel already */
03250             if (!find_free_chan_in_stack(stack, bc, 0,0)) {
03251                cb_log(0, stack->port, " No free channel at the moment\n");
03252                /*FIXME: add disconnect*/
03253                err=-ENOCHAN;
03254                goto ERR;
03255             }
03256             
03257             if (set_chan_in_stack(stack ,bc->channel)<0) {
03258                /*FIXME: add disconnect*/
03259                err=-ENOCHAN;
03260                goto ERR;
03261             }
03262          }
03263          /* Its that i generate channels */
03264       }
03265 
03266       ret=setup_bc(bc);
03267       if (ret == -EINVAL) {
03268          cb_log(0,bc->port,"send_event: setup_bc failed\n");
03269       }
03270 
03271       if (misdn_cap_is_speech(bc->capability)) {
03272          if ((event==EVENT_CONNECT)||(event==EVENT_RETRIEVE_ACKNOWLEDGE)) {
03273             if ( *bc->crypt_key ) {
03274                cb_log(4, stack->port,  " --> ENABLING BLOWFISH channel:%d oad%d:%s dad%d:%s \n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
03275                
03276                manager_ph_control_block(bc,  BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
03277             }
03278             
03279             if (!bc->nodsp) manager_ph_control(bc,  DTMF_TONE_START, 0);
03280             manager_ec_enable(bc);
03281             
03282             if (bc->txgain != 0) {
03283                cb_log(4, stack->port,  "--> Changing txgain to %d\n", bc->txgain);
03284                manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03285             }
03286             
03287             if ( bc->rxgain != 0 ) {
03288                cb_log(4, stack->port,  "--> Changing rxgain to %d\n", bc->rxgain);
03289                manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03290             }
03291          }
03292       }
03293       break;
03294 
03295    case EVENT_HOLD_ACKNOWLEDGE:
03296    {
03297       struct misdn_bchannel *holded_bc=malloc(sizeof(struct misdn_bchannel));
03298       if (!holded_bc) {
03299          cb_log(0,bc->port, "Could not allocate holded_bc!!!\n");
03300          return -1;
03301       }
03302 
03303       /*backup the bc*/
03304       memcpy(holded_bc,bc,sizeof(struct misdn_bchannel));
03305       holded_bc->holded=1;
03306       bc_state_change(holded_bc,BCHAN_CLEANED);
03307 
03308       stack_holder_add(stack,holded_bc);
03309    
03310       /*kill the bridge and clean the bchannel*/
03311       if (stack->nt) {
03312          if (bc->bc_state == BCHAN_BRIDGED) {
03313             misdn_split_conf(bc,bc->conf_id);
03314             struct misdn_bchannel *bc2=find_bc_by_confid(bc->conf_id);
03315             if (!bc2) 
03316                cb_log(0,bc->port,"We have no second bc in bridge???\n");
03317             else 
03318                misdn_split_conf(bc2,bc->conf_id);
03319          }
03320 
03321          if (bc->channel>0)
03322             empty_chan_in_stack(stack,bc->channel);
03323          empty_bc(bc);
03324          clean_up_bc(bc);
03325       }
03326       
03327    }
03328    break;
03329 
03330    /* finishing the channel eh ? */
03331    case EVENT_DISCONNECT:
03332       if (!bc->need_disconnect) {
03333          cb_log(0,bc->port," --> we have already send Disconnect\n");
03334          return -1;
03335       }
03336       
03337       bc->need_disconnect=0;
03338       break;
03339    case EVENT_RELEASE:
03340       if (!bc->need_release) {
03341          cb_log(0,bc->port," --> we have already send Release\n");
03342          return -1;
03343       }
03344       bc->need_disconnect=0;
03345       bc->need_release=0;
03346       break;
03347    case EVENT_RELEASE_COMPLETE:
03348       if (!bc->need_release_complete) {
03349          cb_log(0,bc->port," --> we have already send Release_complete\n");
03350          return -1;
03351       }
03352       bc->need_disconnect=0;
03353       bc->need_release=0;
03354       bc->need_release_complete=0;
03355 
03356       if (!stack->nt) {
03357          /*create clenaup in TE*/
03358          if (bc->channel>0)
03359             empty_chan_in_stack(stack,bc->channel);
03360          int tmpcause=bc->cause; 
03361          int tmp_out_cause=bc->out_cause; 
03362          empty_bc(bc);
03363          bc->cause=tmpcause;
03364          bc->out_cause=tmp_out_cause;
03365          clean_up_bc(bc);
03366       }
03367       break;
03368     
03369    case EVENT_CONNECT_ACKNOWLEDGE:
03370 
03371       if ( bc->nt || misdn_cap_is_speech(bc->capability)) {
03372          int ret=setup_bc(bc);
03373          if (ret == -EINVAL){
03374             cb_log(0,bc->port,"send_event: setup_bc failed\n");
03375             
03376          }
03377       }
03378    
03379       
03380       if (misdn_cap_is_speech(bc->capability)) {
03381          if (  !bc->nodsp) manager_ph_control(bc,  DTMF_TONE_START, 0);
03382          manager_ec_enable(bc);
03383 
03384          if ( bc->txgain != 0 ) {
03385             cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03386             manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03387          }
03388          if ( bc->rxgain != 0 ) {
03389             cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03390             manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03391          }
03392       }
03393       break;
03394     
03395    default:
03396       break;
03397    }
03398   
03399    /* Later we should think about sending bchannel data directly to misdn. */
03400    msg = isdn_msg_build_event(msgs_g, bc, event, stack->nt);
03401    msg_queue_tail(&stack->downqueue, msg);
03402    sem_post(&glob_mgr->new_msg);
03403   
03404    return 0;
03405   
03406  ERR:
03407    return -1; 
03408 }

int misdn_lib_send_restart ( int port )

Definition at line 3631 of file isdn_lib.c.

References cb_log, EVENT_RESTART, find_stack_by_port(), misdn_lib_send_event(), misdn_stack::nt, misdn_stack::port, and misdn_stack::pri.

Referenced by misdn_send_restart().

03632 {
03633    struct misdn_stack *stack=find_stack_by_port(port);
03634    cb_log(0, port, "Sending Restarts on this port.\n");
03635    
03636    struct misdn_bchannel dummybc;
03637    memset (&dummybc,0,sizeof(dummybc));
03638    dummybc.port=stack->port;
03639    dummybc.l3_id=MISDN_ID_GLOBAL;
03640    dummybc.nt=stack->nt;
03641 
03642    int max=stack->pri?30:2;
03643    int i;
03644    for (i=1;i<=max;i++) {
03645       dummybc.channel=i;
03646       cb_log(0, port, "Restarting channel %d\n",i);
03647       misdn_lib_send_event(&dummybc, EVENT_RESTART);
03648       /*do we need to wait before we get an EVENT_RESTART_ACK ?*/
03649    }
03650 
03651    return 0;
03652 }

void misdn_lib_send_tone	(	struct misdn_bchannel *	bc,
		enum tone_e	tone
	)

Definition at line 4252 of file isdn_lib.c.

References misdn_bchannel::addr, glob_mgr, manager_ph_control(), misdn_lib::midev, TONE_ALERTING, TONE_DIAL, TONE_HANGUP, and TONE_NONE.

Referenced by hanguptone_indicate().

04253 {
04254 
04255    switch(tone) {
04256    case TONE_DIAL:
04257       manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_DIALTONE); 
04258    break;
04259    
04260    case TONE_ALERTING:
04261       manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_RINGING);  
04262    break;
04263    
04264    case TONE_HANGUP:
04265       manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_HANGUP);   
04266    break;
04267 
04268    case TONE_NONE:
04269    default:
04270       manager_ph_control(bc, TONE_PATT_OFF, TONE_GERMAN_HANGUP);  
04271    }
04272 
04273    char buf[mISDN_HEADER_LEN+128];
04274    iframe_t *frm=(iframe_t*)buf;
04275    memset(buf,0,mISDN_HEADER_LEN+128);
04276 
04277    frm->prim=DL_DATA|REQUEST;
04278    frm->addr=bc->addr|FLG_MSG_DOWN;
04279    frm->dinfo=0;
04280    frm->len=128;
04281    
04282    mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
04283 }

void misdn_lib_setup_bc ( struct misdn_bchannel * bc )

Definition at line 921 of file isdn_lib.c.

References misdn_stack::bc, clean_up_bc(), and setup_bc().

Referenced by misdn_set_opt_exec().

00922 {
00923    clean_up_bc(bc);
00924    setup_bc(bc);
00925 }

void misdn_lib_split_bridge	(	struct misdn_bchannel *	bc1,
		struct misdn_bchannel *	bc2
	)

Definition at line 4414 of file isdn_lib.c.

References bc_state2str(), BCHAN_BRIDGED, cb_log, misdn_bchannel::conf_id, and misdn_split_conf().

Referenced by misdn_bridge().

04415 {
04416 
04417    struct misdn_bchannel *bc_list[]={
04418       bc1,bc2,NULL
04419    };
04420    struct misdn_bchannel **bc;
04421       
04422    for (bc=bc_list; *bc;  bc++) { 
04423       if ( (*bc)->bc_state == BCHAN_BRIDGED){
04424          misdn_split_conf( *bc, (*bc)->conf_id);
04425       } else {
04426          cb_log( 2, (*bc)->port, "BC not bridged (state:%s) so not splitting it\n",bc_state2str((*bc)->bc_state));
04427       }
04428    }
04429    
04430 }

void misdn_lib_tone_generator_start ( struct misdn_bchannel * bc )

Definition at line 2167 of file isdn_lib.c.

References misdn_bchannel::generate_tone.

Referenced by dialtone_indicate().

02168 {
02169    bc->generate_tone=1;
02170 }

void misdn_lib_tone_generator_stop ( struct misdn_bchannel * bc )

Definition at line 2172 of file isdn_lib.c.

References misdn_bchannel::generate_tone.

Referenced by start_bc_tones(), and stop_indicate().

02173 {
02174    bc->generate_tone=0;
02175 }

void misdn_lib_transfer ( struct misdn_bchannel * holded_bc )

Definition at line 3025 of file isdn_lib.c.

References misdn_bchannel::holded.

03026 {
03027    holded_bc->holded=0;
03028 }

int misdn_lib_tx2misdn_frm	(	struct misdn_bchannel *	bc,
		void *	data,
		int	len
	)

Definition at line 4033 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), BCHAN_ACTIVATED, BCHAN_BRIDGED, misdn_bchannel::capability, cb_log, flip_buf_bits(), get_stack_by_bc(), misdn_stack::midev, misdn_cap_is_speech(), misdn_bchannel::port, and misdn_stack::port.

Referenced by misdn_join_conf().

04034 {
04035    struct misdn_stack *stack=get_stack_by_bc(bc);
04036 
04037    switch (bc->bc_state) {
04038       case BCHAN_ACTIVATED:
04039       case BCHAN_BRIDGED:
04040          break;
04041       default:
04042          cb_log(3, bc->port, "BC not yet activated (state:%s)\n",bc_state2str(bc->bc_state));
04043          return -1;
04044    }
04045    
04046    char buf[4096 + mISDN_HEADER_LEN];
04047    iframe_t *frm= (iframe_t*)buf;
04048    int  r;
04049    
04050    frm->prim = DL_DATA|REQUEST;
04051    frm->dinfo = 0;
04052    frm->addr = bc->addr | FLG_MSG_DOWN ;
04053    
04054    frm->len = len;
04055    memcpy(&buf[mISDN_HEADER_LEN], data,len);
04056       
04057    if ( misdn_cap_is_speech(bc->capability) ) 
04058       flip_buf_bits( &buf[mISDN_HEADER_LEN], len);
04059    else
04060       cb_log(6, stack->port, "Writing %d data bytes\n",len);
04061    
04062    cb_log(9, stack->port, "Writing %d bytes 2 mISDN\n",len);
04063    r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_INFINIT);
04064    return 0;
04065 }

void misdn_split_conf	(	struct misdn_bchannel *	bc,
		int	conf_id
	)

Definition at line 4380 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, bc_state_change(), BCHAN_ACTIVATED, cb_log, manager_ph_control(), and misdn_bchannel::port.

Referenced by manager_bchannel_deactivate(), misdn_lib_send_event(), and misdn_lib_split_bridge().

04381 {
04382    bc_state_change(bc,BCHAN_ACTIVATED);
04383    manager_ph_control(bc, CMX_RECEIVE_ON, 0);
04384    manager_ph_control(bc, CMX_CONF_SPLIT, conf_id);
04385 
04386    cb_log(4,bc->port, "Splitting bc:%x in conf:%d\n",bc->addr,conf_id);
04387 }

void misdn_tx_jitter	(	struct misdn_bchannel *	bc,
		int	len
	)

Definition at line 2221 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::bframe, misdn_bchannel::bframe_len, cb_jb_empty, cb_log, misdn_bchannel::channel, flip_buf_bits(), glob_mgr, misdn_lib::midev, misdn_bchannel::port, and tone_silence_flip.

Referenced by do_tone(), and handle_bchan().

02222 {
02223    char buf[4096 + mISDN_HEADER_LEN];
02224    char *data=&buf[mISDN_HEADER_LEN];
02225    iframe_t *txfrm= (iframe_t*)buf;
02226    int jlen, r;
02227    
02228    jlen=cb_jb_empty(bc,data,len);
02229    
02230    if (jlen) {
02231 #ifdef MISDN_SAVE_DATA
02232       misdn_save_data((bc->port*100+bc->channel), data, jlen, bc->bframe, bc->bframe_len);
02233 #endif
02234       flip_buf_bits( data, jlen);
02235       
02236       if (jlen < len) {
02237          cb_log(7,bc->port,"Jitterbuffer Underrun.\n");
02238       }
02239       
02240       txfrm->prim = DL_DATA|REQUEST;
02241       
02242       txfrm->dinfo = 0;
02243       
02244       txfrm->addr = bc->addr|FLG_MSG_DOWN; /*  | IF_DOWN; */
02245       
02246       txfrm->len =jlen;
02247       cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02248 
02249       r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02250    } else {
02251 #define MISDN_GEN_SILENCE
02252 #ifdef MISDN_GEN_SILENCE
02253       int cnt=len/TONE_SILENCE_SIZE;
02254       int rest=len%TONE_SILENCE_SIZE;
02255       int i;
02256 
02257       for (i=0; i<cnt; i++) {
02258          memcpy(data, tone_silence_flip, TONE_SILENCE_SIZE );
02259          data +=TONE_SILENCE_SIZE;
02260       }
02261 
02262       if (rest) {
02263          memcpy(data, tone_silence_flip, rest);
02264       }
02265 
02266       txfrm->prim = DL_DATA|REQUEST;
02267 
02268       txfrm->dinfo = 0;
02269 
02270       txfrm->addr = bc->addr|FLG_MSG_DOWN; /*  | IF_DOWN; */
02271 
02272       txfrm->len =len;
02273       cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02274 
02275       r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02276 #endif
02277 
02278    }
02279 }

static void prepare_bc	(	struct misdn_bchannel *	bc,
		int	channel
	)			`[static]`

Definition at line 3053 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::b_stid, misdn_stack::bc, misdn_bchannel::cause, misdn_bchannel::channel, misdn_bchannel::channel_preselected, misdn_bchannel::in_use, misdn_bchannel::layer_id, mypid, misdn_bchannel::need_disconnect, misdn_bchannel::need_release, misdn_bchannel::need_release_complete, and misdn_bchannel::pid.

Referenced by misdn_lib_get_free_bc().

03054 {
03055    bc->channel = channel;
03056    bc->channel_preselected = channel?1:0;
03057    bc->in_use = 1;
03058    bc->need_disconnect=1;
03059    bc->need_release=1;
03060    bc->need_release_complete=1;
03061    bc->cause=16;
03062 
03063    if (++mypid>5000) mypid=1;
03064    bc->pid=mypid;
03065 
03066 #if 0
03067    bc->addr=0;
03068    bc->b_stid=0;
03069    bc->layer_id=0;
03070 #endif
03071 }

int queue_cleanup_bc ( struct misdn_bchannel * bc )

Definition at line 3595 of file isdn_lib.c.

References misdn_lib::activatequeue, misdn_stack::bc, cb_log, glob_mgr, misdn_bchannel::l3_id, misdn_lib::new_msg, and misdn_bchannel::port.

03596 {
03597    msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03598    iframe_t *frm;
03599    if (!msg) {
03600       cb_log(0, bc->port, "misgn_lib_get_port: alloc_msg failed!\n");
03601       return -1;
03602    }
03603    frm=(iframe_t*)msg->data;
03604 
03605    /* activate bchannel */
03606    frm->prim = MGR_CLEARSTACK| REQUEST;
03607 
03608    frm->addr = bc->l3_id;
03609 
03610    frm->dinfo = bc->port;
03611    frm->len = 0;
03612   
03613    msg_queue_tail(&glob_mgr->activatequeue, msg);
03614    sem_post(&glob_mgr->new_msg);
03615 
03616    return 0; 
03617 
03618 }

static int send_msg	(	int	midev,
		struct misdn_bchannel *	bc,
		msg_t *	dmsg
	)			`[static]`

Definition at line 369 of file isdn_lib.c.

References cb_log, get_stack_by_bc(), misdn_bchannel::l3_id, and misdn_bchannel::port.

Referenced by manager_event_handler().

00370 {
00371    iframe_t *frm;
00372    frm = (iframe_t *)dmsg->data;
00373    struct misdn_stack *stack=get_stack_by_bc(bc);
00374 
00375    if (!stack) {
00376       cb_log(0,bc->port,"send_msg: IEK!! no stack\n ");
00377       return -1;
00378    }
00379    
00380    frm->addr = (stack->upper_id | FLG_MSG_DOWN);
00381    frm->dinfo = bc->l3_id;
00382    frm->len = (dmsg->len) - mISDN_HEADER_LEN;
00383             
00384    cb_log(4,stack->port,"Sending msg, prim:%x addr:%x dinfo:%x\n",frm->prim,frm->addr,frm->dinfo);
00385 
00386    mISDN_write(midev, dmsg->data, dmsg->len, TIMEOUT_1SEC);
00387    free_msg(dmsg);
00388 
00389    return 0;
00390 }

static int set_chan_in_stack	(	struct misdn_stack *	stack,
		int	channel
	)			`[static]`

Definition at line 696 of file isdn_lib.c.

References cb_log, misdn_stack::channels, dump_chan_list(), MAX_BCHANS, and misdn_stack::port.

Referenced by create_process(), handle_event(), handle_event_nt(), and misdn_lib_send_event().

00697 {
00698 
00699    cb_log(4,stack->port,"set_chan_in_stack: %d\n",channel);
00700    dump_chan_list(stack);
00701    if (channel >=1 && channel <= MAX_BCHANS) {
00702       if (!stack->channels[channel-1])
00703          stack->channels[channel-1] = 1;
00704       else {
00705          cb_log(4,stack->port,"channel already in use:%d\n", channel );
00706          return -1;
00707       }
00708    } else {
00709       cb_log(0,stack->port,"couldn't set channel %d in\n", channel );
00710       return -1;
00711    }
00712   
00713    return 0;
00714 }

int setup_bc ( struct misdn_bchannel * bc )

Definition at line 928 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::b_stid, misdn_stack::b_stids, misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), bc_state_change(), BCHAN_ACTIVATED, BCHAN_CLEANED, BCHAN_ERROR, cb_event, cb_log, misdn_bchannel::channel, EVENT_BCHAN_ERROR, get_stack_by_bc(), glob_mgr, misdn_bchannel::hdlc, ISDN_PID_L3_B_USER, ISDN_PID_L4_B_USER, misdn_bchannel::layer, misdn_bchannel::layer_id, manager_bchannel_activate(), misdn_stack::midev, misdn_bchannel::nodsp, misdn_stack::port, misdn_bchannel::port, and misdn_lib::user_data.

Referenced by handle_event(), handle_event_nt(), misdn_lib_send_event(), and misdn_lib_setup_bc().

00929 {
00930    unsigned char buff[1025];
00931   
00932    mISDN_pid_t pid;
00933    int ret;
00934    
00935 
00936    struct misdn_stack *stack=get_stack_by_bc(bc);
00937 
00938    if (!stack) {
00939       cb_log(0, bc->port, "setup_bc: NO STACK FOUND!!\n");
00940       return -1;
00941    }
00942    
00943    int midev=stack->midev;
00944    int channel=bc->channel-1-(bc->channel>16);
00945    int b_stid=stack->b_stids[channel>=0?channel:0];
00946 
00947 
00948    switch (bc->bc_state) {
00949       case BCHAN_CLEANED:
00950          break;
00951       default:
00952          cb_log(4, stack->port, "$$$ bc already upsetted stid :%x (state:%s)\n", b_stid, bc_state2str(bc->bc_state) );
00953          return -1;
00954    }
00955    
00956    cb_log(5, stack->port, "$$$ Setting up bc with stid :%x\n", b_stid);
00957    
00958    if (b_stid <= 0) {
00959       cb_log(0, stack->port," -- Stid <=0 at the moment in channel:%d\n",channel);
00960       
00961       bc_state_change(bc,BCHAN_ERROR);
00962       return 1;
00963    }
00964    
00965    
00966    bc->b_stid = b_stid;
00967    
00968    {
00969       layer_info_t li;
00970       memset(&li, 0, sizeof(li));
00971     
00972       li.object_id = -1;
00973       li.extentions = 0;
00974       
00975       li.st = bc->b_stid; /*  given idx */
00976 
00977 
00978 #define MISDN_DSP
00979 #ifndef MISDN_DSP
00980       bc->nodsp=1;
00981 #endif
00982       if ( bc->hdlc || bc->nodsp) {
00983          cb_log(4, stack->port,"setup_bc: without dsp\n");
00984          { 
00985             int l = sizeof(li.name);
00986             strncpy(li.name, "B L3", l);
00987             li.name[l-1] = 0;
00988          }
00989          li.pid.layermask = ISDN_LAYER((3));
00990          li.pid.protocol[3] = ISDN_PID_L3_B_USER;
00991          
00992          bc->layer=3;
00993       } else {
00994          cb_log(4, stack->port,"setup_bc: with dsp\n");
00995          { 
00996             int l = sizeof(li.name);
00997             strncpy(li.name, "B L4", l);
00998             li.name[l-1] = 0;
00999          }
01000          li.pid.layermask = ISDN_LAYER((4));
01001          li.pid.protocol[4] = ISDN_PID_L4_B_USER
01002 ;
01003          bc->layer=4;
01004          
01005       }  
01006       
01007       ret = mISDN_new_layer(midev, &li);
01008       if (ret ) {
01009          cb_log(0, stack->port,"New Layer Err: %d %s\n",ret,strerror(errno));
01010 
01011          bc_state_change(bc,BCHAN_ERROR);
01012          return(-EINVAL);
01013       }
01014       
01015       bc->layer_id = li.id;
01016    }
01017    
01018    memset(&pid, 0, sizeof(pid));
01019    
01020    
01021    
01022    cb_log(4, stack->port," --> Channel is %d\n", bc->channel);
01023    
01024    if (bc->nodsp) {
01025       cb_log(2, stack->port," --> TRANSPARENT Mode (no DSP, no HDLC)\n");
01026       pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01027       pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01028       pid.protocol[3] = ISDN_PID_L3_B_USER;
01029       pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3));
01030       
01031    } else if ( bc->hdlc ) {
01032       cb_log(2, stack->port," --> HDLC Mode\n");
01033       pid.protocol[1] = ISDN_PID_L1_B_64HDLC ;
01034       pid.protocol[2] = ISDN_PID_L2_B_TRANS  ;
01035       pid.protocol[3] = ISDN_PID_L3_B_USER;
01036       pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) ;
01037    } else {
01038       cb_log(2, stack->port," --> TRANSPARENT Mode\n");
01039       pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01040       pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01041       pid.protocol[3] = ISDN_PID_L3_B_DSP;
01042       pid.protocol[4] = ISDN_PID_L4_B_USER;
01043       pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) | ISDN_LAYER((4));
01044       
01045    } 
01046 
01047    ret = mISDN_set_stack(midev, bc->b_stid, &pid);
01048 
01049    if (ret){
01050       cb_log(0, stack->port,"$$$ Set Stack Err: %d %s\n",ret,strerror(errno));
01051       
01052       mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01053       
01054       bc_state_change(bc,BCHAN_ERROR);
01055       cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01056       return(-EINVAL);
01057    }
01058 
01059    ret = mISDN_get_setstack_ind(midev, bc->layer_id);
01060 
01061    if (ret) {
01062       cb_log(0, stack->port,"$$$ Set StackIND Err: %d %s\n",ret,strerror(errno));
01063       mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01064       
01065       bc_state_change(bc,BCHAN_ERROR);
01066       cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01067       return(-EINVAL);
01068    }
01069 
01070    ret = mISDN_get_layerid(midev, bc->b_stid, bc->layer) ;
01071 
01072    bc->addr = ret>0? ret : 0;
01073 
01074    if (!bc->addr) {
01075       cb_log(0, stack->port,"$$$ Get Layerid Err: %d %s\n",ret,strerror(errno));
01076       mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01077       
01078       bc_state_change(bc,BCHAN_ERROR);
01079       cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01080       return (-EINVAL);
01081    }
01082 
01083    manager_bchannel_activate(bc);
01084    
01085    bc_state_change(bc,BCHAN_ACTIVATED);
01086 
01087    return 0;
01088 }

void stack_destroy ( struct misdn_stack * stack )

Definition at line 1349 of file isdn_lib.c.

References misdn_stack::lower_id, misdn_stack::midev, misdn_stack::nst, misdn_stack::nt, and misdn_stack::upper_id.

Referenced by misdn_lib_destroy().

01350 {
01351    char buf[1024];
01352    if (!stack) return;
01353 
01354    if (stack->nt) {
01355       cleanup_Isdnl2(&stack->nst);
01356       cleanup_Isdnl3(&stack->nst);
01357    }
01358   
01359    if (stack->lower_id) 
01360       mISDN_write_frame(stack->midev, buf, stack->lower_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01361 
01362    if (stack->upper_id) 
01363       mISDN_write_frame(stack->midev, buf, stack->upper_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01364 }

void stack_holder_add	(	struct misdn_stack *	stack,
		struct misdn_bchannel *	holder
	)

Definition at line 4154 of file isdn_lib.c.

References cb_log, misdn_stack::holding, misdn_bchannel::l3_id, misdn_bchannel::next, misdn_stack::port, and misdn_bchannel::stack_holder.

Referenced by misdn_lib_send_event().

04155 {
04156    struct misdn_bchannel *help;
04157    cb_log(4,stack->port, "*HOLDER: add %x\n",holder->l3_id);
04158    
04159    holder->stack_holder=1;
04160 
04161    if (!stack ) return ;
04162    
04163    holder->next=NULL;
04164    
04165    if (!stack->holding) {
04166       stack->holding = holder;
04167       return;
04168    }
04169   
04170    for (help=stack->holding;
04171         help;
04172         help=help->next) {
04173       if (!help->next) {
04174          help->next=holder;
04175          break;
04176       }
04177    }
04178   
04179 }

struct misdn_bchannel * stack_holder_find	(	struct misdn_stack *	stack,
		unsigned long	l3id
	)

Definition at line 4229 of file isdn_lib.c.

References cb_log, misdn_stack::holding, misdn_bchannel::l3_id, misdn_bchannel::next, and misdn_stack::port.

Referenced by find_bc_by_l3id(), find_bc_by_masked_l3id(), and handle_event_nt().

04230 {
04231    struct misdn_bchannel *help;
04232 
04233    cb_log(4,stack?stack->port:0, "*HOLDER: find %x\n",l3id);
04234    
04235    if (!stack) return NULL;
04236    
04237    for (help=stack->holding;
04238         help;
04239         help=help->next) {
04240       if (help->l3_id == l3id) {
04241          cb_log(4,stack->port, "*HOLDER: found bc\n");
04242          return help;
04243       }
04244    }
04245 
04246    cb_log(4,stack->port, "*HOLDER: find nothing\n");
04247    return NULL;
04248 }

struct misdn_bchannel * stack_holder_find_bychan	(	struct misdn_stack *	stack,
		int	chan
	)

Definition at line 4207 of file isdn_lib.c.

References cb_log, misdn_bchannel::channel, misdn_stack::holding, misdn_bchannel::next, and misdn_stack::port.

04208 {
04209    struct misdn_bchannel *help;
04210 
04211    cb_log(4,stack?stack->port:0, "*HOLDER: find_bychan %c\n", chan);
04212    
04213    if (!stack) return NULL;
04214    
04215    for (help=stack->holding;
04216         help;
04217         help=help->next) {
04218       if (help->channel == chan) {
04219          cb_log(4,stack->port, "*HOLDER: found_bychan bc\n");
04220          return help;
04221       }
04222    }
04223 
04224    cb_log(4,stack->port, "*HOLDER: find_bychan nothing\n");
04225    return NULL;
04226 
04227 }

void stack_holder_remove	(	struct misdn_stack *	stack,
		struct misdn_bchannel *	holder
	)

Definition at line 4181 of file isdn_lib.c.

References cb_log, misdn_stack::holding, misdn_bchannel::l3_id, misdn_bchannel::next, misdn_stack::port, and misdn_bchannel::stack_holder.

Referenced by handle_cr(), and handle_event_nt().

04182 {
04183    struct misdn_bchannel *h1;
04184 
04185    if (!holder->stack_holder) return;
04186    
04187    holder->stack_holder=0;
04188    
04189    cb_log(4,stack->port, "*HOLDER: remove %x\n",holder->l3_id);
04190    if (!stack || ! stack->holding) return;
04191   
04192    if (holder == stack->holding) {
04193       stack->holding = stack->holding->next;
04194       return;
04195    }
04196    
04197    for (h1=stack->holding;
04198         h1;
04199         h1=h1->next) {
04200       if (h1->next == holder) {
04201          h1->next=h1->next->next;
04202          return ;
04203       }
04204    }
04205 }

struct misdn_stack * stack_init	(	int	midev,
		int	port,
		int	ptp
	)

Definition at line 1155 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::b_stids, cb_log, misdn_stack::channels, misdn_stack::d_stid, misdn_stack::downqueue, misdn_stack::holding, malloc, MAX_BCHANS, misdn_stack::midev, misdn_stack::nt, misdn_stack::port, misdn_stack::pri, misdn_stack::ptp, and misdn_stack::upqueue.

Referenced by misdn_lib_init().

01156 {
01157    int ret;
01158    unsigned char buff[1025];
01159    iframe_t *frm = (iframe_t *)buff;
01160    stack_info_t *stinf;
01161    int i; 
01162    layer_info_t li;
01163 
01164    struct misdn_stack *stack = malloc(sizeof(struct misdn_stack));
01165    if (!stack ) return NULL;
01166 
01167 
01168    cb_log(8, port, "Init. Stack.\n");
01169   
01170    memset(stack,0,sizeof(struct misdn_stack));
01171   
01172    for (i=0; i<MAX_BCHANS + 1; i++ ) stack->channels[i]=0;
01173    
01174    stack->port=port;
01175    stack->midev=midev;
01176    stack->ptp=ptp;
01177   
01178    stack->holding=NULL;
01179    stack->pri=0;
01180   
01181    msg_queue_init(&stack->downqueue);
01182    msg_queue_init(&stack->upqueue);
01183   
01184    /* query port's requirements */
01185    ret = mISDN_get_stack_info(midev, port, buff, sizeof(buff));
01186    if (ret < 0) {
01187       cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01188       return(NULL);
01189    }
01190   
01191    stinf = (stack_info_t *)&frm->data.p;
01192 
01193    stack->d_stid = stinf->id;
01194    stack->b_num = stinf->childcnt;
01195 
01196    for (i=0; i<=stinf->childcnt; i++)
01197       stack->b_stids[i] = stinf->child[i];
01198   
01199    switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK) {
01200    case ISDN_PID_L0_TE_S0:
01201       stack->nt=0;
01202       break;
01203    case ISDN_PID_L0_NT_S0:
01204       cb_log(8, port, "NT Stack\n");
01205 
01206       stack->nt=1;
01207       break;
01208 
01209    case ISDN_PID_L0_TE_U:
01210       break;
01211    case ISDN_PID_L0_NT_U:
01212       break;
01213    case ISDN_PID_L0_TE_UP2:
01214       break;
01215    case ISDN_PID_L0_NT_UP2:
01216       break;
01217    case ISDN_PID_L0_TE_E1:
01218       cb_log(8, port, "TE S2M Stack\n");
01219       stack->nt=0;
01220       stack->pri=1;
01221       break;
01222    case ISDN_PID_L0_NT_E1:
01223       cb_log(8, port, "TE S2M Stack\n");
01224       stack->nt=1;
01225       stack->pri=1;
01226       
01227       break;
01228    default:
01229       cb_log(0, port, "this is a unknown port type 0x%08x\n", stinf->pid.protocol[0]);
01230 
01231    }
01232 
01233    if (!stack->nt) {
01234       if (stinf->pid.protocol[2] & ISDN_PID_L2_DF_PTP ) { 
01235          stack->ptp = 1;
01236       } else {
01237          stack->ptp = 0;
01238       }
01239    }
01240    
01241    {
01242       int ret;
01243       int nt=stack->nt;
01244 
01245       cb_log(8, port, "Init. Stack.\n");
01246       
01247       memset(&li, 0, sizeof(li));
01248       {
01249          int l = sizeof(li.name);
01250          strncpy(li.name,nt?"net l2":"user l4", l);
01251          li.name[l-1] = 0;
01252       }
01253       li.object_id = -1;
01254       li.extentions = 0;
01255       li.pid.protocol[nt?2:4] = nt?ISDN_PID_L2_LAPD_NET:ISDN_PID_L4_CAPI20;
01256       li.pid.layermask = ISDN_LAYER((nt?2:4));
01257       li.st = stack->d_stid;
01258       
01259       
01260       ret = mISDN_new_layer(midev, &li);
01261       if (ret) {
01262          cb_log(0, port, "%s: Cannot add layer %d to this port.\n", __FUNCTION__, nt?2:4);
01263          return(NULL);
01264       }
01265       
01266       
01267       stack->upper_id = li.id;
01268       ret = mISDN_register_layer(midev, stack->d_stid, stack->upper_id);
01269       if (ret)
01270       {
01271          cb_log(0,port,"Cannot register layer %d of this port.\n", nt?2:4);
01272          return(NULL);
01273       }
01274       
01275       stack->lower_id = mISDN_get_layerid(midev, stack->d_stid, nt?1:3); 
01276       if (stack->lower_id < 0) {
01277          cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, nt?1:3);
01278          return(NULL);
01279       }
01280       
01281       stack->upper_id = mISDN_get_layerid(midev, stack->d_stid, nt?2:4);
01282       if (stack->upper_id < 0) {
01283          cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, 2);
01284          return(NULL);
01285       }
01286       
01287       cb_log(8, port, "NT Stacks upper_id %x\n",stack->upper_id);
01288       
01289       
01290       /* create nst (nt-mode only) */
01291       if (nt) {
01292          
01293          memset(&stack->nst, 0, sizeof(net_stack_t));
01294          memset(&stack->mgr, 0, sizeof(manager_t));
01295     
01296          stack->mgr.nst = &stack->nst;
01297          stack->nst.manager = &stack->mgr;
01298     
01299          stack->nst.l3_manager = handle_event_nt;
01300          stack->nst.device = midev;
01301          stack->nst.cardnr = port;
01302          stack->nst.d_stid = stack->d_stid;
01303     
01304          stack->nst.feature = FEATURE_NET_HOLD;
01305          if (stack->ptp)
01306             stack->nst.feature |= FEATURE_NET_PTP;
01307          if (stack->pri)
01308             stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
01309          
01310          stack->nst.l1_id = stack->lower_id;
01311          stack->nst.l2_id = stack->upper_id;
01312          
01313          msg_queue_init(&stack->nst.down_queue);
01314          
01315          Isdnl2Init(&stack->nst);
01316          Isdnl3Init(&stack->nst);
01317          
01318       } 
01319       
01320       if (!stack->nt) {
01321          /*assume L1 is up, we'll get DEACTIVATES soon, for non
01322           * up L1s*/
01323          stack->l1link=0;
01324       }
01325       stack->l1link=0;
01326       stack->l2link=0;
01327 #if 0 
01328       if (!stack->nt) {
01329          misdn_lib_get_short_status(stack);
01330       } else {
01331          misdn_lib_get_l1_up(stack);
01332          if (!stack->ptp) misdn_lib_get_l1_up(stack);
01333          misdn_lib_get_l2_up(stack);
01334       }
01335 #endif
01336 
01337       misdn_lib_get_short_status(stack);
01338       misdn_lib_get_l1_up(stack);
01339       misdn_lib_get_l2_up(stack);
01340       
01341    }
01342 
01343    cb_log(8,0,"stack_init: port:%d lowerId:%x  upperId:%x\n",stack->port,stack->lower_id, stack->upper_id);
01344    
01345    return stack;
01346 }

void te_lib_destroy ( int midev )

Definition at line 3013 of file isdn_lib.c.

References cb_log, and entity.

Referenced by misdn_lib_destroy().

03014 {
03015    char buf[1024];
03016    mISDN_write_frame(midev, buf, 0, MGR_DELENTITY | REQUEST, entity, 0, NULL, TIMEOUT_1SEC);
03017 
03018    cb_log(4, 0, "Entetity deleted\n");
03019    mISDN_close(midev);
03020    cb_log(4, 0, "midev closed\n");
03021 }

int te_lib_init ( )

App Interface

Definition at line 2984 of file isdn_lib.c.

References entity, and misdn_lib::midev.

Referenced by misdn_lib_init().

02984                   {
02985    char buff[1025];
02986    iframe_t *frm=(iframe_t*)buff;
02987    int midev=mISDN_open();
02988    int ret;
02989 
02990    memset(buff,0,1025);
02991   
02992    if  (midev<=0) return midev;
02993   
02994 /* create entity for layer 3 TE-mode */
02995    mISDN_write_frame(midev, buff, 0, MGR_NEWENTITY | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
02996    ret = mISDN_read_frame(midev, frm, sizeof(iframe_t), 0, MGR_NEWENTITY | CONFIRM, TIMEOUT_1SEC);
02997   
02998    if (ret < mISDN_HEADER_LEN) {
02999    noentity:
03000       fprintf(stderr, "cannot request MGR_NEWENTITY from mISDN: %s\n",strerror(errno));
03001       exit(-1);
03002    }
03003   
03004    entity = frm->dinfo & 0xffff ;
03005   
03006    if (!entity)
03007       goto noentity;
03008 
03009    return midev;
03010   
03011 }

int entity [static]

Definition at line 213 of file isdn_lib.c.

Referenced by create_process(), te_lib_destroy(), and te_lib_init().

char flip_table[256] [static]

Definition at line 278 of file isdn_lib.c.

Referenced by flip_buf_bits(), and init_flip_bits().

struct misdn_lib* glob_mgr [static]

enum global_states global_state = MISDN_INITIALIZING [static]

Definition at line 146 of file isdn_lib.c.

Referenced by clear_l3(), handle_l1(), and misdn_lib_destroy().

sem_t handler_started

Definition at line 3695 of file isdn_lib.c.

struct isdn_msg msgs_g[]

Msg Array

Definition at line 1136 of file isdn_msg_parser.c.

Referenced by handle_event_nt(), handle_frm(), handle_l1(), manager_isdn_get_info(), and misdn_lib_send_event().

int mypid = 1 [static]

Definition at line 393 of file isdn_lib.c.

Referenced by prepare_bc().

int newteid = 0 [static]

Definition at line 727 of file isdn_lib.c.

int nt_err_cnt = 0 [static]

Definition at line 139 of file isdn_lib.c.

Referenced by handle_frm_nt().

char tone_425_flip[TONE_425_SIZE]

Definition at line 217 of file isdn_lib.c.

Referenced by misdn_lib_init().

char tone_silence_flip[TONE_SILENCE_SIZE]

Definition at line 218 of file isdn_lib.c.

Referenced by misdn_lib_init(), and misdn_tx_jitter().

Asterisk developer's documentation

isdn_lib.c File Reference

Data Structures

Defines

Enumerations

Functions

Variables

Define Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation


Data Structures
struct	misdn_lib
Defines
#define	ECHOCAN_OFF 124
#define	ECHOCAN_ON 123
#define	ISDN_PID_L3_B_USER 0x430000ff
#define	ISDN_PID_L4_B_USER 0x440000ff
#define	MAXPROCS 0x100
#define	MISDN_DEBUG 0
#define	MISDN_DSP
#define	MISDN_GEN_SILENCE
#define	MISDN_IBUF_SIZE 512
#define	TONE_ALERT_CNT 41
#define	TONE_ALERT_SILENCE_CNT 200
#define	TONE_BUSY_CNT 20
#define	TONE_BUSY_SILENCE_CNT 48
Enumerations
enum	global_states { MISDN_INITIALIZING, MISDN_INITIALIZED }
Functions
static void	bc_next_state_change (struct misdn_bchannel *bc, enum bchannel_state state)
char *	bc_state2str (enum bchannel_state state)
void	bc_state_change (struct misdn_bchannel *bc, enum bchannel_state state)
int	bchdev_echocancel_activate (struct misdn_bchannel *dev)
void	bchdev_echocancel_deactivate (struct misdn_bchannel *dev)
static char *	bearer2str (int cap)
static int	clean_up_bc (struct misdn_bchannel *bc)
static void	clear_l3 (struct misdn_stack *stack)
static msg_t *	create_l2msg (int prim, int dinfo, int size)
msg_t *	create_l3msg (int prim, int mt, int dinfo, int size, int ntmode)
static int	create_process (int midev, struct misdn_bchannel *bc)
static int	do_tone (struct misdn_bchannel *bc, int len)
static void	dump_chan_list (struct misdn_stack *stack)
void	ec_chunk (struct misdn_bchannel bc, unsigned char rxchunk, unsigned char *txchunk, int chunk_size)
static void	empty_bc (struct misdn_bchannel *bc)
static int	empty_chan_in_stack (struct misdn_stack *stack, int channel)
static char *	fac2str (enum FacFunction func)
static msg_t *	fetch_msg (int midev)
static struct misdn_bchannel *	find_bc_by_addr (unsigned long addr)
static struct misdn_bchannel *	find_bc_by_channel (int port, int channel)
misdn_bchannel *	find_bc_by_confid (unsigned long confid)
misdn_bchannel *	find_bc_by_l3id (struct misdn_stack *stack, unsigned long l3id)
static struct misdn_bchannel *	find_bc_by_masked_l3id (struct misdn_stack *stack, unsigned long l3id, unsigned long mask)
static struct misdn_bchannel *	find_bc_holded (struct misdn_stack *stack)
static int	find_free_chan_in_stack (struct misdn_stack stack, struct misdn_bchannel bc, int channel, int dec)
static struct misdn_stack *	find_stack_by_addr (int addr)
static struct misdn_stack *	find_stack_by_mgr (manager_t *mgr_nt)
static struct misdn_stack *	find_stack_by_port (int port)
static char *	flip_buf_bits (char *buf, int len)
misdn_stack *	get_misdn_stack (void)
void	get_show_stack_details (int port, char *buf)
misdn_stack *	get_stack_by_bc (struct misdn_bchannel *bc)
static int	handle_bchan (msg_t *msg)
static int	handle_cr (struct misdn_stack stack, iframe_t frm)
static int	handle_err (msg_t *msg)
static int	handle_event (struct misdn_bchannel bc, enum event_e event, iframe_t frm)
static int	handle_event_nt (void dat, void arg)
static int	handle_frm (msg_t *msg)
static int	handle_frm_nt (msg_t *msg)
static int	handle_l1 (msg_t *msg)
static int	handle_l2 (msg_t *msg)
static int	handle_mgmt (msg_t *msg)
static int	handle_timers (msg_t *msg)
int	init_bc (struct misdn_stack stack, struct misdn_bchannel bc, int midev, int port, int bidx, char *msn, int firsttime)
static void	init_flip_bits (void)
void	isdn_lib_stop_dtmf (struct misdn_bchannel *bc)
void	isdn_lib_update_ec (struct misdn_bchannel *bc)
void	isdn_lib_update_rxgain (struct misdn_bchannel *bc)
void	isdn_lib_update_txgain (struct misdn_bchannel *bc)
void	manager_bchannel_activate (struct misdn_bchannel *bc)
void	manager_bchannel_cleanup (struct misdn_bchannel *bc)
void	manager_bchannel_deactivate (struct misdn_bchannel *bc)
void	manager_bchannel_setup (struct misdn_bchannel *bc)
void	manager_clean_bc (struct misdn_bchannel *bc)
void	manager_ec_disable (struct misdn_bchannel *bc)
void	manager_ec_enable (struct misdn_bchannel *bc)
static void	manager_event_handler (void *arg)
misdn_bchannel *	manager_find_bc_by_pid (int pid)
misdn_bchannel *	manager_find_bc_holded (struct misdn_bchannel *bc)
char *	manager_isdn_get_info (enum event_e event)
int	manager_isdn_handler (iframe_t frm, msg_t msg)
void	manager_ph_control (struct misdn_bchannel *bc, int c1, int c2)
void	manager_ph_control_block (struct misdn_bchannel bc, int c1, void c2, int c2_len)
int	misdn_cap_is_speech (int cap)
int	misdn_inband_avail (struct misdn_bchannel *bc)
void	misdn_join_conf (struct misdn_bchannel *bc, int conf_id)
void	misdn_lib_bridge (struct misdn_bchannel bc1, struct misdn_bchannel bc2)
void	misdn_lib_destroy ()
void	misdn_lib_echo (struct misdn_bchannel *bc, int onoff)
misdn_bchannel *	misdn_lib_get_free_bc (int port, int channel, int inout, int dec)
static int	misdn_lib_get_l1_down (struct misdn_stack *stack)
static int	misdn_lib_get_l1_up (struct misdn_stack *stack)
static int	misdn_lib_get_l2_down (struct misdn_stack *stack)
int	misdn_lib_get_l2_up (struct misdn_stack *stack)
int	misdn_lib_get_maxchans (int port)
int	misdn_lib_get_port_down (int port)
int	misdn_lib_get_port_info (int port)
int	misdn_lib_get_port_up (int port)
static int	misdn_lib_get_short_status (struct misdn_stack *stack)
int	misdn_lib_init (char portlist, struct misdn_lib_iface iface, void *user_data)
int	misdn_lib_is_port_blocked (int port)
int	misdn_lib_is_ptp (int port)
static void	misdn_lib_isdn_event_catcher (void *arg)
void	misdn_lib_isdn_l1watcher (int port)
void	misdn_lib_log_ies (struct misdn_bchannel *bc)
int	misdn_lib_maxports_get ()
void	misdn_lib_nt_debug_init (int flags, char *file)
int	misdn_lib_pid_restart (int pid)
int	misdn_lib_port_block (int port)
int	misdn_lib_port_is_pri (int port)
int	misdn_lib_port_restart (int port)
int	misdn_lib_port_unblock (int port)
int	misdn_lib_port_up (int port, int check)
void	misdn_lib_reinit_nt_stack (int port)
void	misdn_lib_release (struct misdn_bchannel *bc)
int	misdn_lib_send_event (struct misdn_bchannel *bc, enum event_e event)
int	misdn_lib_send_restart (int port)
void	misdn_lib_send_tone (struct misdn_bchannel *bc, enum tone_e tone)
void	misdn_lib_setup_bc (struct misdn_bchannel *bc)
void	misdn_lib_split_bridge (struct misdn_bchannel bc1, struct misdn_bchannel bc2)
void	misdn_lib_tone_generator_start (struct misdn_bchannel *bc)
void	misdn_lib_tone_generator_stop (struct misdn_bchannel *bc)
void	misdn_lib_transfer (struct misdn_bchannel *holded_bc)
int	misdn_lib_tx2misdn_frm (struct misdn_bchannel bc, void data, int len)
void	misdn_split_conf (struct misdn_bchannel *bc, int conf_id)
void	misdn_tx_jitter (struct misdn_bchannel *bc, int len)
static void	prepare_bc (struct misdn_bchannel *bc, int channel)
int	queue_cleanup_bc (struct misdn_bchannel *bc)
static int	send_msg (int midev, struct misdn_bchannel bc, msg_t dmsg)
static int	set_chan_in_stack (struct misdn_stack *stack, int channel)
int	setup_bc (struct misdn_bchannel *bc)
void	stack_destroy (struct misdn_stack *stack)
void	stack_holder_add (struct misdn_stack stack, struct misdn_bchannel holder)
misdn_bchannel *	stack_holder_find (struct misdn_stack *stack, unsigned long l3id)
misdn_bchannel *	stack_holder_find_bychan (struct misdn_stack *stack, int chan)
void	stack_holder_remove (struct misdn_stack stack, struct misdn_bchannel holder)
misdn_stack *	stack_init (int midev, int port, int ptp)
void	te_lib_destroy (int midev)
int	te_lib_init (void)
Variables
static int	entity
static char	flip_table [256]
static struct misdn_lib *	glob_mgr
static enum global_states	global_state = MISDN_INITIALIZING
sem_t	handler_started
isdn_msg	msgs_g []
static int	mypid = 1
static int	newteid = 0
static int	nt_err_cnt = 0
char	tone_425_flip [TONE_425_SIZE]
char	tone_silence_flip [TONE_SILENCE_SIZE]