Mon Apr 30 07:36:35 2007

Asterisk developer's documentation

---

isdn_msg_parser.c

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/*
 * Chan_Misdn -- Channel Driver for Asterisk
 *
 * Interface to mISDN
 *
 * Copyright (C) 2004, Christian Richter
 *
 * Christian Richter <crich@beronet.com>
 *
 * This program is free software, distributed under the terms of
 * the GNU General Public License
 */


#include "isdn_lib_intern.h"


#include "isdn_lib.h"

#include "ie.c"


static void set_channel(struct misdn_bchannel *bc, int channel)
{

   cb_log(3,bc->port,"set_channel: bc->channel:%d channel:%d\n", bc->channel, channel);
   
   
   if (channel==0xff) {
      /* any channel */
      channel=-1;
   }
   
   /*  ALERT: is that everytime true ?  */
   if (channel > 0 && bc->nt ) {
      
      if (bc->channel && ( bc->channel != 0xff) ) {
         cb_log(0,bc->port,"We already have a channel (%d)\n", bc->channel);
      } else {
         bc->channel = channel;
         cb_event(EVENT_NEW_CHANNEL,bc,NULL);
      }
   }
   
   if (channel > 0 && !bc->nt ) {
      bc->channel = channel;
      cb_event(EVENT_NEW_CHANNEL,bc,NULL);
   }
}

static void parse_proceeding (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   CALL_PROCEEDING_t *proceeding=(CALL_PROCEEDING_t*)((unsigned long)msg->data+ HEADER_LEN);
   //struct misdn_stack *stack=get_stack_by_bc(bc);
   
   {
      int  exclusive, channel;
      dec_ie_channel_id(proceeding->CHANNEL_ID, (Q931_info_t *)proceeding, &exclusive, &channel, nt,bc);

      set_channel(bc,channel);
      
   }
   
   dec_ie_progress(proceeding->PROGRESS, (Q931_info_t *)proceeding, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
   
   
#if DEBUG 
   printf("Parsing PROCEEDING Msg\n"); 
#endif
}
static msg_t *build_proceeding (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt)
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   CALL_PROCEEDING_t *proceeding;
   msg_t *msg =(msg_t*)create_l3msg(CC_PROCEEDING | REQUEST, MT_CALL_PROCEEDING,  bc?bc->l3_id:-1, sizeof(CALL_PROCEEDING_t) ,nt); 
  
   proceeding=(CALL_PROCEEDING_t*)((msg->data+HEADER_LEN));

   enc_ie_channel_id(&proceeding->CHANNEL_ID, msg, 1,bc->channel, nt,bc);
  
   if (nt) 
      enc_ie_progress(&proceeding->PROGRESS, msg, 0, nt?1:5, 8, nt,bc);
  

#if DEBUG 
   printf("Building PROCEEDING Msg\n"); 
#endif
   return msg; 
}

static void parse_alerting (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN; 
   ALERTING_t *alerting=(ALERTING_t*)((unsigned long)(msg->data+HEADER_LEN));
   //Q931_info_t *qi=(Q931_info_t*)(msg->data+HEADER_LEN);
   
   dec_ie_progress(alerting->PROGRESS, (Q931_info_t *)alerting, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
   
#if DEBUG 
   printf("Parsing ALERTING Msg\n"); 
#endif

 
}

static msg_t *build_alerting (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   ALERTING_t *alerting;
   msg_t *msg =(msg_t*)create_l3msg(CC_ALERTING | REQUEST, MT_ALERTING,  bc?bc->l3_id:-1, sizeof(ALERTING_t) ,nt); 
  
   alerting=(ALERTING_t*)((msg->data+HEADER_LEN)); 
  
   enc_ie_channel_id(&alerting->CHANNEL_ID, msg, 1,bc->channel, nt,bc);
   
   if (nt) 
      enc_ie_progress(&alerting->PROGRESS, msg, 0, nt?1:5, 8, nt,bc);
#if DEBUG 
   printf("Building ALERTING Msg\n"); 
#endif
   return msg; 
}


static void parse_progress (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   PROGRESS_t *progress=(PROGRESS_t*)((unsigned long)(msg->data+HEADER_LEN)); 
   //Q931_info_t *qi=(Q931_info_t*)(msg->data+HEADER_LEN);  
   
   dec_ie_progress(progress->PROGRESS, (Q931_info_t *)progress, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
   
#if DEBUG 
   printf("Parsing PROGRESS Msg\n"); 
#endif
}

static msg_t *build_progress (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   PROGRESS_t *progress;
   msg_t *msg =(msg_t*)create_l3msg(CC_PROGRESS | REQUEST, MT_PROGRESS,  bc?bc->l3_id:-1, sizeof(PROGRESS_t) ,nt); 
 
   progress=(PROGRESS_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building PROGRESS Msg\n"); 
#endif
   return msg; 
}

static void parse_setup (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{ 
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   SETUP_t *setup= (SETUP_t*)((unsigned long)msg->data+HEADER_LEN);
   Q931_info_t *qi=(Q931_info_t*)((unsigned long)msg->data+HEADER_LEN);

#if DEBUG 
   printf("Parsing SETUP Msg\n"); 
#endif
   {
      int type,plan,present, screen;
      char id[32];
      dec_ie_calling_pn(setup->CALLING_PN, qi, &type, &plan, &present, &screen, id, sizeof(id)-1, nt,bc);

      bc->onumplan=type; 
      strcpy(bc->oad, id);
      switch (present) {
      case 0:
         bc->pres=0; /* screened */
         break;
      case 1:
         bc->pres=1; /* not screened */
         break;
      default:
         bc->pres=0;
      }
      switch (screen) {
      case 0:
         break;
      default:
         ;
      } 
   }
   {
      int  type, plan;
      char number[32]; 
      dec_ie_called_pn(setup->CALLED_PN, (Q931_info_t *)setup, &type, &plan, number, sizeof(number)-1, nt,bc);
      strcpy(bc->dad, number);
      bc->dnumplan=type; 
   }
   {
      char keypad[32];
      dec_ie_keypad(setup->KEYPAD, (Q931_info_t *)setup, keypad, sizeof(keypad)-1, nt,bc);
      strcpy(bc->keypad, keypad);
   }

   {
      dec_ie_complete(setup->COMPLETE, (Q931_info_t *)setup, &bc->sending_complete, nt,bc);
      
   }
  
   {
      int  type, plan, present, screen, reason;
      char id[32]; 
      dec_ie_redir_nr(setup->REDIR_NR, (Q931_info_t *)setup, &type, &plan, &present, &screen, &reason, id, sizeof(id)-1, nt,bc);
    
      strcpy(bc->rad, id);
      bc->rnumplan=type; 
   }
   {
      int  coding, capability, mode, rate, multi, user, async, urate, stopbits, dbits, parity;
      dec_ie_bearer(setup->BEARER, (Q931_info_t *)setup, &coding, &capability, &mode, &rate, &multi, &user, &async, &urate, &stopbits, &dbits, &parity, nt,bc);
      switch (capability) {
      case -1: bc->capability=INFO_CAPABILITY_DIGITAL_UNRESTRICTED; 
         break;
      case 0: bc->capability=INFO_CAPABILITY_SPEECH;
         break;
      case 18: bc->capability=INFO_CAPABILITY_VIDEO;
         break;
      case 8: bc->capability=INFO_CAPABILITY_DIGITAL_UNRESTRICTED;
         bc->user1 = user;
         bc->urate = urate;
         
         bc->rate = rate;
         bc->mode = mode;
         break;
      case 9: bc->capability=INFO_CAPABILITY_DIGITAL_RESTRICTED;
         break;
      default:
         break;
      }
      
      switch(user) {
      case 2:
         bc->law=INFO_CODEC_ULAW;
         break;
      case 3:
         bc->law=INFO_CODEC_ALAW;
         break;
      default:
         bc->law=INFO_CODEC_ALAW;
         
      }
      
      bc->capability=capability; 
   }
   {
      int  exclusive, channel;
      dec_ie_channel_id(setup->CHANNEL_ID, (Q931_info_t *)setup, &exclusive, &channel, nt,bc);
      
      set_channel(bc,channel);
   }

   {
      int  protocol ;
      dec_ie_useruser(setup->USER_USER, (Q931_info_t *)setup, &protocol, bc->uu, &bc->uulen, nt,bc);
      if (bc->uulen) cb_log(1,bc->port,"USERUESRINFO:%s\n",bc->uu);
      else
      cb_log(1,bc->port,"NO USERUESRINFO\n");
   }
   
   dec_ie_progress(setup->PROGRESS, (Q931_info_t *)setup, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
   
}

#define ANY_CHANNEL 0xff /* IE attribut for 'any channel' */
static msg_t *build_setup (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   SETUP_t *setup;
   msg_t *msg =(msg_t*)create_l3msg(CC_SETUP | REQUEST, MT_SETUP,  bc?bc->l3_id:-1, sizeof(SETUP_t) ,nt); 
  
   setup=(SETUP_t*)((msg->data+HEADER_LEN)); 
  
   if (bc->channel == 0 || bc->channel == ANY_CHANNEL || bc->channel==-1)
      enc_ie_channel_id(&setup->CHANNEL_ID, msg, 0, bc->channel, nt,bc);
   else 
      enc_ie_channel_id(&setup->CHANNEL_ID, msg, 1, bc->channel, nt,bc);
   
   
   {
      int type=bc->onumplan,plan=1,present=bc->pres,screen=bc->screen;
      enc_ie_calling_pn(&setup->CALLING_PN, msg, type, plan, present,
              screen, bc->oad, nt, bc);
   }
  
   {
      if (bc->dad[0])
         enc_ie_called_pn(&setup->CALLED_PN, msg, bc->dnumplan, 1, bc->dad, nt,bc);
   }

   {
      if (bc->rad[0])
         enc_ie_redir_nr(&setup->REDIR_NR, msg, 1, 1,  bc->pres, bc->screen, 0, bc->rad, nt,bc);
   }

   
  
   if (*bc->display) {
      enc_ie_display(&setup->DISPLAY, msg, bc->display, nt,bc);
   }
  
   {
      int coding=0, capability, mode=0 /*  2 for packet ! */
         ,user, rate=0x10;

      switch (bc->law) {
      case INFO_CODEC_ULAW: user=2;
         break;
      case INFO_CODEC_ALAW: user=3;
         break;
      default:
         user=3;
      }
      
      switch (bc->capability) {
      case INFO_CAPABILITY_SPEECH: capability = 0;
         break;
      case INFO_CAPABILITY_DIGITAL_UNRESTRICTED: capability = 8;
         user=-1;
         mode=bc->mode;
         rate=bc->rate;
         break;
      case INFO_CAPABILITY_DIGITAL_RESTRICTED: capability = 9;
         user=-1;
         break;
      default:
         capability=bc->capability; 
      }
      
      
    
      enc_ie_bearer(&setup->BEARER, msg, coding, capability, mode, rate, -1, user, nt,bc);
   }

   if (bc->sending_complete) {
      enc_ie_complete(&setup->BEARER,msg, bc->sending_complete, nt, bc);
   }
  
   {
      int  protocol=4;
      enc_ie_useruser(&setup->USER_USER, msg, protocol, bc->uu, bc->uulen, nt,bc);
      if (bc->uulen) cb_log(1,bc->port,"ENCODING USERUESRINFO:%s\n",bc->uu);
      else
      cb_log(1,bc->port,"NO USERUESRINFO ENCODED\n");
   }

#if DEBUG 
   printf("Building SETUP Msg\n"); 
#endif
   return msg; 
}

static void parse_connect (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   CONNECT_t *connect=(CONNECT_t*)((unsigned long)(msg->data+HEADER_LEN));
  
   int plan,pres,screen;
   
   bc->ces = connect->ces;
   bc->ces = connect->ces;

   dec_ie_progress(connect->PROGRESS, (Q931_info_t *)connect, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);

   dec_ie_connected_pn(connect->CONNECT_PN,(Q931_info_t *)connect, &bc->cpnnumplan, &plan, &pres, &screen, bc->cad, 31, nt, bc);

   /*
      cb_log(1,bc->port,"CONNETED PN: %s cpn_dialplan:%d\n", connected_pn, type);
   */
   
#if DEBUG 
   printf("Parsing CONNECT Msg\n"); 
#endif
}

static msg_t *build_connect (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   CONNECT_t *connect;
   msg_t *msg =(msg_t*)create_l3msg(CC_CONNECT | REQUEST, MT_CONNECT,  bc?bc->l3_id:-1, sizeof(CONNECT_t) ,nt); 
   
   cb_log(6,bc->port,"BUILD_CONNECT: bc:%p bc->l3id:%d, nt:%d\n",bc,bc->l3_id,nt);

   connect=(CONNECT_t*)((msg->data+HEADER_LEN)); 

   if (nt) {
      time_t now;
      time(&now);
      enc_ie_date(&connect->DATE, msg, now, nt,bc);
   }
  
   {
      int type=bc->cpnnumplan, plan=1, present=2, screen=0;
      enc_ie_connected_pn(&connect->CONNECT_PN, msg, type,plan, present, screen, bc->cad, nt , bc);
   }

#if DEBUG 
   printf("Building CONNECT Msg\n"); 
#endif
   return msg; 
}

static void parse_setup_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   SETUP_ACKNOWLEDGE_t *setup_acknowledge=(SETUP_ACKNOWLEDGE_t*)((unsigned long)(msg->data+HEADER_LEN));

   {
      int  exclusive, channel;
      dec_ie_channel_id(setup_acknowledge->CHANNEL_ID, (Q931_info_t *)setup_acknowledge, &exclusive, &channel, nt,bc);


      set_channel(bc, channel);
   }
   
   dec_ie_progress(setup_acknowledge->PROGRESS, (Q931_info_t *)setup_acknowledge, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
#if DEBUG 
   printf("Parsing SETUP_ACKNOWLEDGE Msg\n"); 
#endif

 
}

static msg_t *build_setup_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   SETUP_ACKNOWLEDGE_t *setup_acknowledge;
   msg_t *msg =(msg_t*)create_l3msg(CC_SETUP_ACKNOWLEDGE | REQUEST, MT_SETUP_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(SETUP_ACKNOWLEDGE_t) ,nt); 
 
   setup_acknowledge=(SETUP_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
  
   enc_ie_channel_id(&setup_acknowledge->CHANNEL_ID, msg, 1,bc->channel, nt,bc);
  
   if (nt) 
      enc_ie_progress(&setup_acknowledge->PROGRESS, msg, 0, nt?1:5, 8, nt,bc);
  
#if DEBUG 
   printf("Building SETUP_ACKNOWLEDGE Msg\n"); 
#endif
   return msg; 
}

static void parse_connect_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing CONNECT_ACKNOWLEDGE Msg\n"); 
#endif

 
}

static msg_t *build_connect_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   CONNECT_ACKNOWLEDGE_t *connect_acknowledge;
   msg_t *msg =(msg_t*)create_l3msg(CC_CONNECT | RESPONSE, MT_CONNECT,  bc?bc->l3_id:-1, sizeof(CONNECT_ACKNOWLEDGE_t) ,nt); 
 
   connect_acknowledge=(CONNECT_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 
  
   enc_ie_channel_id(&connect_acknowledge->CHANNEL_ID, msg, 1, bc->channel, nt,bc);
  
#if DEBUG 
   printf("Building CONNECT_ACKNOWLEDGE Msg\n"); 
#endif
   return msg; 
}

static void parse_user_information (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing USER_INFORMATION Msg\n"); 
#endif

 
}

static msg_t *build_user_information (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   USER_INFORMATION_t *user_information;
   msg_t *msg =(msg_t*)create_l3msg(CC_USER_INFORMATION | REQUEST, MT_USER_INFORMATION,  bc?bc->l3_id:-1, sizeof(USER_INFORMATION_t) ,nt); 
 
   user_information=(USER_INFORMATION_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building USER_INFORMATION Msg\n"); 
#endif
   return msg; 
}

static void parse_suspend_reject (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing SUSPEND_REJECT Msg\n"); 
#endif

 
}

static msg_t *build_suspend_reject (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   SUSPEND_REJECT_t *suspend_reject;
   msg_t *msg =(msg_t*)create_l3msg(CC_SUSPEND_REJECT | REQUEST, MT_SUSPEND_REJECT,  bc?bc->l3_id:-1, sizeof(SUSPEND_REJECT_t) ,nt); 
 
   suspend_reject=(SUSPEND_REJECT_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building SUSPEND_REJECT Msg\n"); 
#endif
   return msg; 
}

static void parse_resume_reject (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing RESUME_REJECT Msg\n"); 
#endif

 
}

static msg_t *build_resume_reject (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   RESUME_REJECT_t *resume_reject;
   msg_t *msg =(msg_t*)create_l3msg(CC_RESUME_REJECT | REQUEST, MT_RESUME_REJECT,  bc?bc->l3_id:-1, sizeof(RESUME_REJECT_t) ,nt); 
 
   resume_reject=(RESUME_REJECT_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building RESUME_REJECT Msg\n"); 
#endif
   return msg; 
}

static void parse_hold (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing HOLD Msg\n"); 
#endif

 
}

static msg_t *build_hold (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   HOLD_t *hold;
   msg_t *msg =(msg_t*)create_l3msg(CC_HOLD | REQUEST, MT_HOLD,  bc?bc->l3_id:-1, sizeof(HOLD_t) ,nt); 
 
   hold=(HOLD_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building HOLD Msg\n"); 
#endif
   return msg; 
}

static void parse_suspend (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing SUSPEND Msg\n"); 
#endif

 
}

static msg_t *build_suspend (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   SUSPEND_t *suspend;
   msg_t *msg =(msg_t*)create_l3msg(CC_SUSPEND | REQUEST, MT_SUSPEND,  bc?bc->l3_id:-1, sizeof(SUSPEND_t) ,nt); 
 
   suspend=(SUSPEND_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building SUSPEND Msg\n"); 
#endif
   return msg; 
}

static void parse_resume (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing RESUME Msg\n"); 
#endif

 
}

static msg_t *build_resume (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   RESUME_t *resume;
   msg_t *msg =(msg_t*)create_l3msg(CC_RESUME | REQUEST, MT_RESUME,  bc?bc->l3_id:-1, sizeof(RESUME_t) ,nt); 
 
   resume=(RESUME_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building RESUME Msg\n"); 
#endif
   return msg; 
}

static void parse_hold_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing HOLD_ACKNOWLEDGE Msg\n"); 
#endif

 
}

static msg_t *build_hold_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   HOLD_ACKNOWLEDGE_t *hold_acknowledge;
   msg_t *msg =(msg_t*)create_l3msg(CC_HOLD_ACKNOWLEDGE | REQUEST, MT_HOLD_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(HOLD_ACKNOWLEDGE_t) ,nt); 
 
   hold_acknowledge=(HOLD_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building HOLD_ACKNOWLEDGE Msg\n"); 
#endif
   return msg; 
}

static void parse_suspend_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing SUSPEND_ACKNOWLEDGE Msg\n"); 
#endif

 
}

static msg_t *build_suspend_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   SUSPEND_ACKNOWLEDGE_t *suspend_acknowledge;
   msg_t *msg =(msg_t*)create_l3msg(CC_SUSPEND_ACKNOWLEDGE | REQUEST, MT_SUSPEND_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(SUSPEND_ACKNOWLEDGE_t) ,nt); 
 
   suspend_acknowledge=(SUSPEND_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building SUSPEND_ACKNOWLEDGE Msg\n"); 
#endif
   return msg; 
}

static void parse_resume_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing RESUME_ACKNOWLEDGE Msg\n"); 
#endif

 
}

static msg_t *build_resume_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   RESUME_ACKNOWLEDGE_t *resume_acknowledge;
   msg_t *msg =(msg_t*)create_l3msg(CC_RESUME_ACKNOWLEDGE | REQUEST, MT_RESUME_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(RESUME_ACKNOWLEDGE_t) ,nt); 
 
   resume_acknowledge=(RESUME_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building RESUME_ACKNOWLEDGE Msg\n"); 
#endif
   return msg; 
}

static void parse_hold_reject (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing HOLD_REJECT Msg\n"); 
#endif

 
}

static msg_t *build_hold_reject (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   HOLD_REJECT_t *hold_reject;
   msg_t *msg =(msg_t*)create_l3msg(CC_HOLD_REJECT | REQUEST, MT_HOLD_REJECT,  bc?bc->l3_id:-1, sizeof(HOLD_REJECT_t) ,nt); 
 
   hold_reject=(HOLD_REJECT_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building HOLD_REJECT Msg\n"); 
#endif
   return msg; 
}

static void parse_retrieve (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing RETRIEVE Msg\n"); 
#endif

 
}

static msg_t *build_retrieve (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   RETRIEVE_t *retrieve;
   msg_t *msg =(msg_t*)create_l3msg(CC_RETRIEVE | REQUEST, MT_RETRIEVE,  bc?bc->l3_id:-1, sizeof(RETRIEVE_t) ,nt); 
 
   retrieve=(RETRIEVE_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building RETRIEVE Msg\n"); 
#endif
   return msg; 
}

static void parse_retrieve_acknowledge (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing RETRIEVE_ACKNOWLEDGE Msg\n"); 
#endif

 
}

static msg_t *build_retrieve_acknowledge (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   RETRIEVE_ACKNOWLEDGE_t *retrieve_acknowledge;
   msg_t *msg =(msg_t*)create_l3msg(CC_RETRIEVE_ACKNOWLEDGE | REQUEST, MT_RETRIEVE_ACKNOWLEDGE,  bc?bc->l3_id:-1, sizeof(RETRIEVE_ACKNOWLEDGE_t) ,nt); 
 
   retrieve_acknowledge=(RETRIEVE_ACKNOWLEDGE_t*)((msg->data+HEADER_LEN)); 

   enc_ie_channel_id(&retrieve_acknowledge->CHANNEL_ID, msg, 1, bc->channel, nt,bc);
#if DEBUG 
   printf("Building RETRIEVE_ACKNOWLEDGE Msg\n"); 
#endif
   return msg; 
}

static void parse_retrieve_reject (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing RETRIEVE_REJECT Msg\n"); 
#endif

 
}

static msg_t *build_retrieve_reject (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   RETRIEVE_REJECT_t *retrieve_reject;
   msg_t *msg =(msg_t*)create_l3msg(CC_RETRIEVE_REJECT | REQUEST, MT_RETRIEVE_REJECT,  bc?bc->l3_id:-1, sizeof(RETRIEVE_REJECT_t) ,nt); 
 
   retrieve_reject=(RETRIEVE_REJECT_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building RETRIEVE_REJECT Msg\n"); 
#endif
   return msg; 
}

static void parse_disconnect (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   DISCONNECT_t *disconnect=(DISCONNECT_t*)((unsigned long)(msg->data+HEADER_LEN));
   int location;
   int cause; 
   dec_ie_cause(disconnect->CAUSE, (Q931_info_t *)(disconnect), &location, &cause, nt,bc);
   if (cause>0) bc->cause=cause;

   dec_ie_progress(disconnect->PROGRESS, (Q931_info_t *)disconnect, &bc->progress_coding, &bc->progress_location, &bc->progress_indicator, nt, bc);
#if DEBUG 
   printf("Parsing DISCONNECT Msg\n"); 
#endif

 
}

static msg_t *build_disconnect (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   DISCONNECT_t *disconnect;
   msg_t *msg =(msg_t*)create_l3msg(CC_DISCONNECT | REQUEST, MT_DISCONNECT,  bc?bc->l3_id:-1, sizeof(DISCONNECT_t) ,nt); 
   
   disconnect=(DISCONNECT_t*)((msg->data+HEADER_LEN)); 
   
   enc_ie_cause(&disconnect->CAUSE, msg, (nt)?1:0, bc->out_cause,nt,bc);
   if (nt) enc_ie_progress(&disconnect->PROGRESS, msg, 0, nt?1:5, 8 ,nt,bc);
  
#if DEBUG 
   printf("Building DISCONNECT Msg\n"); 
#endif
   return msg; 
}

static void parse_restart (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   RESTART_t *restart=(RESTART_t*)((unsigned long)(msg->data+HEADER_LEN));

   struct misdn_stack *stack=get_stack_by_bc(bc);
   
#if DEBUG 
   printf("Parsing RESTART Msg\n");
#endif
  
   {
      int  exclusive, channel = 0;
      dec_ie_channel_id(restart->CHANNEL_ID, (Q931_info_t *)restart, &exclusive, &bc->restart_channel, nt,bc);
      /* XXX: this is broken... channel is not used */
      if (channel==0xff) /* any channel */
         channel=-1;
      cb_log(3, stack->port, "CC_RESTART Request on channel:%d on this port.\n");
   }
  
 
}

static msg_t *build_restart (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   RESTART_t *restart;
   msg_t *msg =(msg_t*)create_l3msg(CC_RESTART | REQUEST, MT_RESTART,  bc?bc->l3_id:-1, sizeof(RESTART_t) ,nt); 
 
   restart=(RESTART_t*)((msg->data+HEADER_LEN)); 
   
#if DEBUG 
   printf("Building RESTART Msg\n"); 
#endif
   enc_ie_channel_id(&restart->CHANNEL_ID, msg, 1,bc->channel, nt,bc);

   cb_log(0,bc->port, "Restarting channel %d\n", bc->channel);
   
   return msg; 
}

static void parse_release (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   RELEASE_t *release=(RELEASE_t*)((unsigned long)(msg->data+HEADER_LEN));
   int location;
   int cause;
  
   dec_ie_cause(release->CAUSE, (Q931_info_t *)(release), &location, &cause, nt,bc);
   if (cause>0) bc->cause=cause;
#if DEBUG 
   printf("Parsing RELEASE Msg\n"); 
#endif

 
}

static msg_t *build_release (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   RELEASE_t *release;
   msg_t *msg =(msg_t*)create_l3msg(CC_RELEASE | REQUEST, MT_RELEASE,  bc?bc->l3_id:-1, sizeof(RELEASE_t) ,nt); 
 
   release=(RELEASE_t*)((msg->data+HEADER_LEN)); 
  
   if (bc->out_cause>= 0)
      enc_ie_cause(&release->CAUSE, msg, nt?1:0, bc->out_cause, nt,bc);
  
#if DEBUG 
   printf("Building RELEASE Msg\n"); 
#endif
   return msg; 
}

static void parse_release_complete (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   RELEASE_COMPLETE_t *release_complete=(RELEASE_COMPLETE_t*)((unsigned long)(msg->data+HEADER_LEN));
   int location;
   int cause;
   iframe_t *frm = (iframe_t*) msg->data;

   struct misdn_stack *stack=get_stack_by_bc(bc);
   mISDNuser_head_t *hh;
   hh=(mISDNuser_head_t*)msg->data;

   /*hh=(mISDN_head_t*)msg->data;
   mISDN_head_t *hh;*/

   if (nt) {
      if (hh->prim == (CC_RELEASE_COMPLETE|CONFIRM)) {
         cb_log(0, stack->port, "CC_RELEASE_COMPLETE|CONFIRM [NT] \n");
         return;
      }
   } else {
      if (frm->prim == (CC_RELEASE_COMPLETE|CONFIRM)) {
         cb_log(0, stack->port, "CC_RELEASE_COMPLETE|CONFIRM [TE] \n");
         return;
      }
   }
   dec_ie_cause(release_complete->CAUSE, (Q931_info_t *)(release_complete), &location, &cause, nt,bc);
   if (cause>0) bc->cause=cause;

#if DEBUG 
   printf("Parsing RELEASE_COMPLETE Msg\n"); 
#endif
}

static msg_t *build_release_complete (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   RELEASE_COMPLETE_t *release_complete;
   msg_t *msg =(msg_t*)create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE,  bc?bc->l3_id:-1, sizeof(RELEASE_COMPLETE_t) ,nt); 
 
   release_complete=(RELEASE_COMPLETE_t*)((msg->data+HEADER_LEN)); 
   
   enc_ie_cause(&release_complete->CAUSE, msg, nt?1:0, bc->out_cause, nt,bc);
  
#if DEBUG 
   printf("Building RELEASE_COMPLETE Msg\n"); 
#endif
   return msg; 
}

static void parse_facility (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt ? mISDNUSER_HEAD_SIZE : mISDN_HEADER_LEN;
   FACILITY_t *facility = (FACILITY_t*)(msg->data+HEADER_LEN); 
   Q931_info_t *qi = (Q931_info_t*)(msg->data+HEADER_LEN);  
   unsigned char *p = NULL;
   int err;

#if DEBUG 
   printf("Parsing FACILITY Msg\n"); 
#endif

   if (!bc->nt) {
      if (qi->QI_ELEMENT(facility))
         p = (unsigned char *)qi + sizeof(Q931_info_t) + qi->QI_ELEMENT(facility) + 1;
   } else {
      p = facility->FACILITY;
   }
   if (!p)
      return;
   
   err = decodeFac(p, &(bc->fac_in));
   if (err) {
      cb_log(1, bc->port, "Decoding FACILITY failed! (%d)\n", err);
   }
}

static msg_t *build_facility (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int len,
      HEADER_LEN = nt ? mISDNUSER_HEAD_SIZE : mISDN_HEADER_LEN;
   unsigned char *ie_fac,
              fac_tmp[256];
   msg_t *msg =(msg_t*)create_l3msg(CC_FACILITY | REQUEST, MT_FACILITY,  bc?bc->l3_id:-1, sizeof(FACILITY_t) ,nt);
   FACILITY_t *facility = (FACILITY_t*)(msg->data+HEADER_LEN); 
   Q931_info_t *qi;

#if DEBUG 
   printf("Building FACILITY Msg\n"); 
#endif
   
   len = encodeFac(fac_tmp, &(bc->fac_out));
   if (len <= 0)
      return NULL;

   ie_fac = msg_put(msg, len);
   if (bc->nt) {
      facility->FACILITY = ie_fac + 1;
   } else {
      qi = (Q931_info_t *)(msg->data + mISDN_HEADER_LEN);
      qi->QI_ELEMENT(facility) = ie_fac - (unsigned char *)qi - sizeof(Q931_info_t);
   }

   memcpy(ie_fac, fac_tmp, len);

   if (*bc->display) {
      printf("Sending %s as Display\n", bc->display);
      enc_ie_display(&facility->DISPLAY, msg, bc->display, nt,bc);
   }

   return msg; 
}

static void parse_notify (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing NOTIFY Msg\n"); 
#endif
}

static msg_t *build_notify (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   NOTIFY_t *notify;
   msg_t *msg =(msg_t*)create_l3msg(CC_NOTIFY | REQUEST, MT_NOTIFY,  bc?bc->l3_id:-1, sizeof(NOTIFY_t) ,nt); 
 
   notify=(NOTIFY_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building NOTIFY Msg\n"); 
#endif
   return msg; 
}

static void parse_status_enquiry (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing STATUS_ENQUIRY Msg\n"); 
#endif
}

static msg_t *build_status_enquiry (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   STATUS_ENQUIRY_t *status_enquiry;
   msg_t *msg =(msg_t*)create_l3msg(CC_STATUS_ENQUIRY | REQUEST, MT_STATUS_ENQUIRY,  bc?bc->l3_id:-1, sizeof(STATUS_ENQUIRY_t) ,nt); 
 
   status_enquiry=(STATUS_ENQUIRY_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building STATUS_ENQUIRY Msg\n"); 
#endif
   return msg; 
}

static void parse_information (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   INFORMATION_t *information=(INFORMATION_t*)((unsigned long)(msg->data+HEADER_LEN));
   {
      int  type, plan;
      char number[32];
      char keypad[32];
      dec_ie_called_pn(information->CALLED_PN, (Q931_info_t *)information, &type, &plan, number, sizeof(number)-1, nt, bc);
      dec_ie_keypad(information->KEYPAD, (Q931_info_t *)information, keypad, sizeof(keypad)-1, nt, bc);
      strcpy(bc->info_dad, number);
      strcpy(bc->keypad,keypad);
   }
#if DEBUG 
   printf("Parsing INFORMATION Msg\n"); 
#endif
}

static msg_t *build_information (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   INFORMATION_t *information;
   msg_t *msg =(msg_t*)create_l3msg(CC_INFORMATION | REQUEST, MT_INFORMATION,  bc?bc->l3_id:-1, sizeof(INFORMATION_t) ,nt); 
 
   information=(INFORMATION_t*)((msg->data+HEADER_LEN)); 
  
   {
      enc_ie_called_pn(&information->CALLED_PN, msg, 0, 1, bc->info_dad, nt,bc);
   }

   {
      if (*bc->display) {
         printf("Sending %s as Display\n", bc->display);
         enc_ie_display(&information->DISPLAY, msg, bc->display, nt,bc);
      }
   }
  
#if DEBUG 
   printf("Building INFORMATION Msg\n"); 
#endif
   return msg; 
}

static void parse_status (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   STATUS_t *status=(STATUS_t*)((unsigned long)(msg->data+HEADER_LEN));
   int location;
   int cause;
  
   dec_ie_cause(status->CAUSE, (Q931_info_t *)(status), &location, &cause, nt,bc);
   if (cause>0) bc->cause=cause;
   ;

#if DEBUG 
   printf("Parsing STATUS Msg\n"); 
#endif
}

static msg_t *build_status (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   STATUS_t *status;
   msg_t *msg =(msg_t*)create_l3msg(CC_STATUS | REQUEST, MT_STATUS,  bc?bc->l3_id:-1, sizeof(STATUS_t) ,nt); 
 
   status=(STATUS_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building STATUS Msg\n"); 
#endif
   return msg; 
}

static void parse_timeout (struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt) 
{
#if DEBUG 
   printf("Parsing STATUS Msg\n"); 
#endif 
}

static msg_t *build_timeout (struct isdn_msg msgs[], struct misdn_bchannel *bc, int nt) 
{
   int HEADER_LEN = nt?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
   STATUS_t *status;
   msg_t *msg =(msg_t*)create_l3msg(CC_STATUS | REQUEST, MT_STATUS,  bc?bc->l3_id:-1, sizeof(STATUS_t) ,nt); 
 
   status=(STATUS_t*)((msg->data+HEADER_LEN)); 

#if DEBUG 
   printf("Building STATUS Msg\n"); 
#endif
   return msg; 
}


/************************************/




/** Msg Array **/

struct isdn_msg msgs_g[] = {
   {CC_PROCEEDING,L3,EVENT_PROCEEDING,
    parse_proceeding,build_proceeding,
    "PROCEEDING"},
   {CC_ALERTING,L3,EVENT_ALERTING,
    parse_alerting,build_alerting,
    "ALERTING"},
   {CC_PROGRESS,L3,EVENT_PROGRESS,
    parse_progress,build_progress,
    "PROGRESS"},
   {CC_SETUP,L3,EVENT_SETUP,
    parse_setup,build_setup,
    "SETUP"},
   {CC_CONNECT,L3,EVENT_CONNECT,
    parse_connect,build_connect,
    "CONNECT"},
   {CC_SETUP_ACKNOWLEDGE,L3,EVENT_SETUP_ACKNOWLEDGE,
    parse_setup_acknowledge,build_setup_acknowledge,
    "SETUP_ACKNOWLEDGE"},
   {CC_CONNECT_ACKNOWLEDGE ,L3,EVENT_CONNECT_ACKNOWLEDGE ,
    parse_connect_acknowledge ,build_connect_acknowledge,
    "CONNECT_ACKNOWLEDGE "},
   {CC_USER_INFORMATION,L3,EVENT_USER_INFORMATION,
    parse_user_information,build_user_information,
    "USER_INFORMATION"},
   {CC_SUSPEND_REJECT,L3,EVENT_SUSPEND_REJECT,
    parse_suspend_reject,build_suspend_reject,
    "SUSPEND_REJECT"},
   {CC_RESUME_REJECT,L3,EVENT_RESUME_REJECT,
    parse_resume_reject,build_resume_reject,
    "RESUME_REJECT"},
   {CC_HOLD,L3,EVENT_HOLD,
    parse_hold,build_hold,
    "HOLD"},
   {CC_SUSPEND,L3,EVENT_SUSPEND,
    parse_suspend,build_suspend,
    "SUSPEND"},
   {CC_RESUME,L3,EVENT_RESUME,
    parse_resume,build_resume,
    "RESUME"},
   {CC_HOLD_ACKNOWLEDGE,L3,EVENT_HOLD_ACKNOWLEDGE,
    parse_hold_acknowledge,build_hold_acknowledge,
    "HOLD_ACKNOWLEDGE"},
   {CC_SUSPEND_ACKNOWLEDGE,L3,EVENT_SUSPEND_ACKNOWLEDGE,
    parse_suspend_acknowledge,build_suspend_acknowledge,
    "SUSPEND_ACKNOWLEDGE"},
   {CC_RESUME_ACKNOWLEDGE,L3,EVENT_RESUME_ACKNOWLEDGE,
    parse_resume_acknowledge,build_resume_acknowledge,
    "RESUME_ACKNOWLEDGE"},
   {CC_HOLD_REJECT,L3,EVENT_HOLD_REJECT,
    parse_hold_reject,build_hold_reject,
    "HOLD_REJECT"},
   {CC_RETRIEVE,L3,EVENT_RETRIEVE,
    parse_retrieve,build_retrieve,
    "RETRIEVE"},
   {CC_RETRIEVE_ACKNOWLEDGE,L3,EVENT_RETRIEVE_ACKNOWLEDGE,
    parse_retrieve_acknowledge,build_retrieve_acknowledge,
    "RETRIEVE_ACKNOWLEDGE"},
   {CC_RETRIEVE_REJECT,L3,EVENT_RETRIEVE_REJECT,
    parse_retrieve_reject,build_retrieve_reject,
    "RETRIEVE_REJECT"},
   {CC_DISCONNECT,L3,EVENT_DISCONNECT,
    parse_disconnect,build_disconnect,
    "DISCONNECT"},
   {CC_RESTART,L3,EVENT_RESTART,
    parse_restart,build_restart,
    "RESTART"},
   {CC_RELEASE,L3,EVENT_RELEASE,
    parse_release,build_release,
    "RELEASE"},
   {CC_RELEASE_COMPLETE,L3,EVENT_RELEASE_COMPLETE,
    parse_release_complete,build_release_complete,
    "RELEASE_COMPLETE"},
   {CC_FACILITY,L3,EVENT_FACILITY,
    parse_facility,build_facility,
    "FACILITY"},
   {CC_NOTIFY,L3,EVENT_NOTIFY,
    parse_notify,build_notify,
    "NOTIFY"},
   {CC_STATUS_ENQUIRY,L3,EVENT_STATUS_ENQUIRY,
    parse_status_enquiry,build_status_enquiry,
    "STATUS_ENQUIRY"},
   {CC_INFORMATION,L3,EVENT_INFORMATION,
    parse_information,build_information,
    "INFORMATION"},
   {CC_STATUS,L3,EVENT_STATUS,
    parse_status,build_status,
    "STATUS"},
   {CC_TIMEOUT,L3,EVENT_TIMEOUT,
    parse_timeout,build_timeout,
    "TIMEOUT"},
   {0,0,0,NULL,NULL,NULL}
};

#define msgs_max (sizeof(msgs_g)/sizeof(struct isdn_msg))

/** INTERFACE FCTS ***/
int isdn_msg_get_index(struct isdn_msg msgs[], msg_t *msg, int nt)
{
   int i;

   if (nt){
      mISDNuser_head_t *hh = (mISDNuser_head_t*)msg->data;
      
      for (i=0; i< msgs_max -1; i++) {
         if ( (hh->prim&COMMAND_MASK)==(msgs[i].misdn_msg&COMMAND_MASK)) return i;
      }
      
   } else {
      iframe_t *frm = (iframe_t*)msg->data;
    
      for (i=0; i< msgs_max -1; i++) 
         if ( (frm->prim&COMMAND_MASK)==(msgs[i].misdn_msg&COMMAND_MASK)) return i;
   }

   return -1;
}

int isdn_msg_get_index_by_event(struct isdn_msg msgs[], enum event_e event, int nt)
{
   int i;
   for (i=0; i< msgs_max; i++) 
      if ( event == msgs[i].event) return i;

   cb_log(10,0, "get_index: event not found!\n");
   
   return -1;
}

enum event_e isdn_msg_get_event(struct isdn_msg msgs[], msg_t *msg, int nt)
{
   int i=isdn_msg_get_index(msgs, msg, nt);
   if(i>=0) return msgs[i].event;
   return EVENT_UNKNOWN;
}

char * isdn_msg_get_info(struct isdn_msg msgs[], msg_t *msg, int nt)
{
   int i=isdn_msg_get_index(msgs, msg, nt);
   if(i>=0) return msgs[i].info;
   return NULL;
}


char EVENT_CLEAN_INFO[] = "CLEAN_UP";
char EVENT_DTMF_TONE_INFO[] = "DTMF_TONE";
char EVENT_NEW_L3ID_INFO[] = "NEW_L3ID";
char EVENT_NEW_BC_INFO[] = "NEW_BC";
char EVENT_PORT_ALARM_INFO[] = "ALARM";
char EVENT_NEW_CHANNEL_INFO[] = "NEW_CHANNEL";
char EVENT_BCHAN_DATA_INFO[] = "BCHAN_DATA";
char EVENT_BCHAN_ACTIVATED_INFO[] = "BCHAN_ACTIVATED";
char EVENT_TONE_GENERATE_INFO[] = "TONE_GENERATE";
char EVENT_BCHAN_ERROR_INFO[] = "BCHAN_ERROR";

char * isdn_get_info(struct isdn_msg msgs[], enum event_e event, int nt)
{
   int i=isdn_msg_get_index_by_event(msgs, event, nt);
   
   if(i>=0) return msgs[i].info;
   
   if (event == EVENT_CLEANUP) return EVENT_CLEAN_INFO;
   if (event == EVENT_DTMF_TONE) return EVENT_DTMF_TONE_INFO;
   if (event == EVENT_NEW_L3ID) return EVENT_NEW_L3ID_INFO;
   if (event == EVENT_NEW_BC) return EVENT_NEW_BC_INFO;
   if (event == EVENT_NEW_CHANNEL) return EVENT_NEW_CHANNEL_INFO;
   if (event == EVENT_BCHAN_DATA) return EVENT_BCHAN_DATA_INFO;
   if (event == EVENT_BCHAN_ACTIVATED) return EVENT_BCHAN_ACTIVATED_INFO;
   if (event == EVENT_TONE_GENERATE) return EVENT_TONE_GENERATE_INFO;
   if (event == EVENT_PORT_ALARM) return EVENT_PORT_ALARM_INFO;
   if (event == EVENT_BCHAN_ERROR) return EVENT_BCHAN_ERROR_INFO;
   
   return NULL;
}

int isdn_msg_parse_event(struct isdn_msg msgs[], msg_t *msg, struct misdn_bchannel *bc, int nt)
{
   int i=isdn_msg_get_index(msgs, msg, nt);
   if(i<0) return -1;

   msgs[i].msg_parser(msgs, msg, bc, nt);
   return 0;
}

msg_t * isdn_msg_build_event(struct isdn_msg msgs[], struct misdn_bchannel *bc, enum event_e event, int nt)
{
   int i=isdn_msg_get_index_by_event(msgs, event, nt);
   if(i<0) return NULL;
  
   return  msgs[i].msg_builder(msgs, bc, nt);
}

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