ooh323ep.c

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/*
 * Copyright (C) 2004-2005 by Objective Systems, Inc.
 *
 * This software is furnished under an open source license and may be 
 * used and copied only in accordance with the terms of this license. 
 * The text of the license may generally be found in the root 
 * directory of this installation in the COPYING file.  It 
 * can also be viewed online at the following URL:
 *
 *   http://www.obj-sys.com/open/license.html
 *
 * Any redistributions of this file including modified versions must 
 * maintain this copyright notice.
 *
 *****************************************************************************/
#include "ooh323ep.h"
#include "ootrace.h"
#include "ooCalls.h"
#include "ooCapability.h"
#include "ooGkClient.h"
#include "ooStackCmds.h"
#include "ooCmdChannel.h"
/** Global endpoint structure */
ooEndPoint gH323ep;


extern int gCmdPort;
extern char gCmdIP[20];
extern DList g_TimerList;

int ooH323EpInitialize
   (enum OOCallMode callMode, const char* tracefile)
{
   
   memset(&gH323ep, 0, sizeof(ooEndPoint));

   initContext(&(gH323ep.ctxt));
   initContext(&(gH323ep.msgctxt));

   if(tracefile)
   {
      if(strlen(tracefile)>= MAXFILENAME)
      {
         printf("Error:File name longer than allowed maximum %d\n", 
                 MAXFILENAME-1);
         return OO_FAILED;
      }
      strcpy(gH323ep.traceFile, tracefile);
   }else{
      strcpy(gH323ep.traceFile, DEFAULT_TRACEFILE);      
   }

   gH323ep.fptraceFile = fopen(gH323ep.traceFile, "w");
   if(gH323ep.fptraceFile == NULL)
   {
      printf("Error:Failed to open trace file %s for write.\n", 
                  gH323ep.traceFile);
      return OO_FAILED;
   }

   /* Initialize default port ranges that will be used by stack. 
      Apps can override these by explicitely setting port ranges
   */

   gH323ep.tcpPorts.start = TCPPORTSSTART;
   gH323ep.tcpPorts.max = TCPPORTSEND;
   gH323ep.tcpPorts.current=TCPPORTSSTART;

   gH323ep.udpPorts.start = UDPPORTSSTART;
   gH323ep.udpPorts.max = UDPPORTSEND;
   gH323ep.udpPorts.current = UDPPORTSSTART;

   gH323ep.rtpPorts.start = RTPPORTSSTART;
   gH323ep.rtpPorts.max = RTPPORTSEND;
   gH323ep.rtpPorts.current = RTPPORTSSTART;
   
   OO_SETFLAG(gH323ep.flags, OO_M_FASTSTART);
   OO_SETFLAG(gH323ep.flags, OO_M_TUNNELING);
   OO_SETFLAG(gH323ep.flags, OO_M_AUTOANSWER);
   OO_CLRFLAG(gH323ep.flags, OO_M_GKROUTED);
   
   gH323ep.aliases = NULL;

   gH323ep.termType = DEFAULT_TERMTYPE;

   gH323ep.t35CountryCode = DEFAULT_T35COUNTRYCODE;

   gH323ep.t35Extension = DEFAULT_T35EXTENSION;

   gH323ep.manufacturerCode = DEFAULT_MANUFACTURERCODE;

   gH323ep.productID = DEFAULT_PRODUCTID;

   gH323ep.versionID = OOH323C_VERSION;

   gH323ep.callType = T_H225CallType_pointToPoint;
   ooGetLocalIPAddress(gH323ep.signallingIP);
   gH323ep.listenPort = DEFAULT_H323PORT;

   gH323ep.listener = NULL;

   ooH323EpSetCallerID(DEFAULT_CALLERID);

   
   gH323ep.myCaps = NULL;
   gH323ep.noOfCaps = 0;
   gH323ep.callList = NULL;
   gH323ep.dtmfmode = 0;
   gH323ep.callingPartyNumber[0]='\0';     
   gH323ep.callMode = callMode;
   gH323ep.isGateway = FALSE;

   dListInit(&g_TimerList);/* This is for test application chansetup only*/

   gH323ep.callEstablishmentTimeout = DEFAULT_CALLESTB_TIMEOUT;

   gH323ep.msdTimeout = DEFAULT_MSD_TIMEOUT;

   gH323ep.tcsTimeout = DEFAULT_TCS_TIMEOUT;

   gH323ep.logicalChannelTimeout = DEFAULT_LOGICALCHAN_TIMEOUT;

   gH323ep.sessionTimeout = DEFAULT_ENDSESSION_TIMEOUT;
   gH323ep.ifList = NULL;

   ooSetTraceThreshold(OOTRCLVLINFO);
   OO_SETFLAG(gH323ep.flags, OO_M_ENDPOINTCREATED);

   gH323ep.cmdListener = 0;
   gH323ep.cmdSock = 0;
   gH323ep.cmdPort = OO_DEFAULT_CMDLISTENER_PORT;
   return OO_OK;
}

EXTERN int ooH323EpSetAsGateway()
{
   gH323ep.isGateway = TRUE;
   return OO_OK;
}


int ooH323EpSetLocalAddress(const char* localip, int listenport)
{
   if(localip)
   {
      strcpy(gH323ep.signallingIP, localip);
      strcpy(gCmdIP, localip);
      OOTRACEINFO2("Signalling IP address is set to %s\n", localip);
   }
   
   if(listenport)
   {
      gH323ep.listenPort = listenport;
      OOTRACEINFO2("Listen port number is set to %d\n", listenport);
   }
   return OO_OK;
}

int ooH323EpCreateCmdListener(int cmdPort)
{
   if(cmdPort != 0)
   {
      gH323ep.cmdPort = cmdPort;
      gCmdPort = cmdPort;
   }
   if(ooCreateCmdListener() != OO_OK)
      return OO_FAILED;

   return OO_OK;
}

int ooH323EpAddAliasH323ID(const char *h323id)
{
   ooAliases * psNewAlias=NULL;
   psNewAlias = (ooAliases*)memAlloc(&gH323ep.ctxt, sizeof(ooAliases));
   if(!psNewAlias)
   {
      OOTRACEERR1("Error: Failed to allocate memory for new H323-ID alias\n");
      return OO_FAILED;
   }
   psNewAlias->type = T_H225AliasAddress_h323_ID;
   psNewAlias->registered = FALSE;
   psNewAlias->value = (char*) memAlloc(&gH323ep.ctxt, strlen(h323id)+1);
   if(!psNewAlias->value)
   {
      OOTRACEERR1("Error: Failed to allocate memory for the new H323-ID alias "
                  "value\n");
      memFreePtr(&gH323ep.ctxt, psNewAlias);
      return OO_FAILED;
   }
   strcpy(psNewAlias->value, h323id);
   psNewAlias->next = gH323ep.aliases;
   gH323ep.aliases = psNewAlias;
   OOTRACEDBGA2("Added alias: H323ID - %s\n", h323id);
   return OO_OK;
}

int ooH323EpAddAliasDialedDigits(const char* dialedDigits)
{
   ooAliases * psNewAlias=NULL;
   psNewAlias = (ooAliases*)memAlloc(&gH323ep.ctxt, sizeof(ooAliases));
   if(!psNewAlias)
   {
      OOTRACEERR1("Error: Failed to allocate memory for new DialedDigits "
                  "alias\n");
      return OO_FAILED;
   }
   psNewAlias->type = T_H225AliasAddress_dialedDigits;
   psNewAlias->registered = FALSE;
   psNewAlias->value = (char*) memAlloc(&gH323ep.ctxt, strlen(dialedDigits)+1);
   if(!psNewAlias->value)
   {
      OOTRACEERR1("Error: Failed to allocate memory for the new DialedDigits"
                  " alias value\n");
      memFreePtr(&gH323ep.ctxt, psNewAlias);
      return OO_FAILED;
   }
   strcpy(psNewAlias->value, dialedDigits);
   psNewAlias->next = gH323ep.aliases;
   gH323ep.aliases = psNewAlias;
   OOTRACEDBGA2("Added alias: DialedDigits - %s\n", dialedDigits);
   return OO_OK;
}

int ooH323EpAddAliasURLID(const char * url)
{
   ooAliases * psNewAlias=NULL;
   psNewAlias = (ooAliases*)memAlloc(&gH323ep.ctxt, sizeof(ooAliases));
   if(!psNewAlias)
   {
      OOTRACEERR1("Error: Failed to allocate memory for new URL-ID alias\n");
      return OO_FAILED;
   }
   psNewAlias->type = T_H225AliasAddress_url_ID;
   psNewAlias->registered = FALSE;
   psNewAlias->value = (char*) memAlloc(&gH323ep.ctxt, strlen(url)+1);
   if(!psNewAlias->value)
   {
      OOTRACEERR1("Error: Failed to allocate memory for the new URL-ID alias"
                  " value\n");
      memFreePtr(&gH323ep.ctxt, psNewAlias);
      return OO_FAILED;
   }
   strcpy(psNewAlias->value, url);
   psNewAlias->next = gH323ep.aliases;
   gH323ep.aliases = psNewAlias;
   OOTRACEDBGA2("Added alias: URL-ID - %s\n", url);
   return OO_OK;
}

int ooH323EpAddAliasEmailID(const char * email)
{
   ooAliases * psNewAlias=NULL;
   psNewAlias = (ooAliases*)memAlloc(&gH323ep.ctxt, sizeof(ooAliases));
   if(!psNewAlias)
   {
      OOTRACEERR1("Error: Failed to allocate memory for new Email-ID alias\n");
      return OO_FAILED;
   }
   psNewAlias->type = T_H225AliasAddress_email_ID;
   psNewAlias->registered = FALSE;
   psNewAlias->value = (char*) memAlloc(&gH323ep.ctxt, strlen(email)+1);
   if(!psNewAlias->value)
   {
      OOTRACEERR1("Error: Failed to allocate memory for the new Email-ID alias"
                  " value\n");
      memFreePtr(&gH323ep.ctxt, psNewAlias);
      return OO_FAILED;
   }
   strcpy(psNewAlias->value, email);
   psNewAlias->next = gH323ep.aliases;
   gH323ep.aliases = psNewAlias;
   OOTRACEDBGA2("Added alias: Email-ID - %s\n", email);
   return OO_OK;
}

int ooH323EpAddAliasTransportID(const char * ipaddress)
{
   ooAliases * psNewAlias=NULL;
   psNewAlias = (ooAliases*)memAlloc(&gH323ep.ctxt, sizeof(ooAliases));
   if(!psNewAlias)
   {
      OOTRACEERR1("Error: Failed to allocate memory for new Transport-ID "
                  "alias\n");
      return OO_FAILED;
   }
   psNewAlias->type = T_H225AliasAddress_transportID;
   psNewAlias->registered = FALSE;
   psNewAlias->value = (char*) memAlloc(&gH323ep.ctxt, strlen(ipaddress)+1);
   if(!psNewAlias->value)
   {
      OOTRACEERR1("Error: Failed to allocate memory for the new Transport-ID "
                  "alias value\n");
      memFreePtr(&gH323ep.ctxt, psNewAlias);
      return OO_FAILED;
   }
   strcpy(psNewAlias->value, ipaddress);
   psNewAlias->next = gH323ep.aliases;
   gH323ep.aliases = psNewAlias;
   OOTRACEDBGA2("Added alias: Transport-ID - %s\n", ipaddress);
   return OO_OK;
}

int ooH323EpClearAllAliases(void)
{
   ooAliases *pAlias = NULL, *pTemp;
   if(gH323ep.aliases)
   {
      pAlias = gH323ep.aliases;
      while(pAlias)
      {
         pTemp = pAlias;
         pAlias = pAlias->next;
         memFreePtr(&gH323ep.ctxt, pTemp);
      }
      gH323ep.aliases = NULL;
   }
   return OO_OK;
}


int ooH323EpSetH225MsgCallbacks(OOH225MsgCallbacks h225Callbacks)
{
   gH323ep.h225Callbacks.onReceivedSetup = h225Callbacks.onReceivedSetup;
   gH323ep.h225Callbacks.onReceivedConnect = h225Callbacks.onReceivedConnect;
   gH323ep.h225Callbacks.onBuiltSetup = h225Callbacks.onBuiltSetup;
   gH323ep.h225Callbacks.onBuiltConnect = h225Callbacks.onBuiltConnect;

   return OO_OK;
}
    
int ooH323EpSetH323Callbacks(OOH323CALLBACKS h323Callbacks)
{
   gH323ep.h323Callbacks.onNewCallCreated = h323Callbacks.onNewCallCreated;
   gH323ep.h323Callbacks.onAlerting = h323Callbacks.onAlerting;
   gH323ep.h323Callbacks.onIncomingCall = h323Callbacks.onIncomingCall;
   gH323ep.h323Callbacks.onOutgoingCall = h323Callbacks.onOutgoingCall;
   gH323ep.h323Callbacks.onCallEstablished = h323Callbacks.onCallEstablished;
   gH323ep.h323Callbacks.onCallForwarded = h323Callbacks.onCallForwarded;
   gH323ep.h323Callbacks.onCallCleared = h323Callbacks.onCallCleared;
   gH323ep.h323Callbacks.openLogicalChannels = h323Callbacks.openLogicalChannels;
   gH323ep.h323Callbacks.onReceivedDTMF = h323Callbacks.onReceivedDTMF;
   return OO_OK;
}

int ooH323EpDestroy(void)
{
   /* free any internal memory allocated
      close trace file free context structure
   */
   OOH323CallData * cur, *temp;
   if(OO_TESTFLAG(gH323ep.flags, OO_M_ENDPOINTCREATED))
   {
      OOTRACEINFO1("Destroying H323 Endpoint\n");
      if(gH323ep.callList)
      {
         cur = gH323ep.callList;
         while(cur)
         {
            temp = cur;
            cur = cur->next;
            temp->callEndReason = OO_REASON_LOCAL_CLEARED;
            ooCleanCall(temp);
         }
         gH323ep.callList = NULL;
      }


      if(gH323ep.listener)
      {
         ooSocketClose(*(gH323ep.listener));
         gH323ep.listener = NULL;   
      }

      if(gH323ep.cmdListener != 0)
      {
         ooSocketClose(gH323ep.cmdListener);
         gH323ep.cmdListener = 0;
      }

      ooGkClientDestroy();  

      if(gH323ep.fptraceFile)
      {
         fclose(gH323ep.fptraceFile);
         gH323ep.fptraceFile = NULL;
      }

      freeContext(&(gH323ep.ctxt));

      OO_CLRFLAG(gH323ep.flags, OO_M_ENDPOINTCREATED);