adding code to make "version" as configurable parameter

src/mod/endpoints/mod_megaco/conf/megaco.conf.xml

@@ -5,8 +5,9 @@
 		   <sng_mg_interface name="default">
 			   <param name="id" value="1"/>                			<!-- /* equivalent to SSAP ID of MEGACO layer */-->
 			   <param name="protocol" value="MEGACO"/>         		<!-- /* Protocol Type , Supported values are MEGACO/MGCP */ -->
+			   <param name="version" value="3"/>         			<!-- /* Protocol Version , Supported values for MEGACO are 1/2/3 */ -->
 			   <param name="transportProfileId" value="1"/>   		<!-- /* Link to transport layer configuration --> 
-			   <param name="localIp" value="192.168.1.100"/>  		<!-- /* Local node IP */ -->
+			   <param name="localIp" value="192.168.1.101"/>  		<!-- /* Local node IP */ -->
 			   <param name="port"     value="2944" />	    		<!-- /* Port */ -->
 			   <param name="myDomainName" value="mg.sangoma.com" />   	<!--/* Local domain name */ -->
 			   <param name="mid" value="<lab.sangoma.com>"/>        		 <!-- /* Message Identifier (MID) of MEGACO message  */ -->
@@ -35,7 +36,7 @@
 
    		   <sng_mg_peer_interface name="MG_PEER1">
 			   <param name="id" value="1"/>         		<!-- /* Peer profile ID */-->
-			   <param name="ip" value="192.168.1.101"/>  		<!-- /* Peer node IP */ -->
+			   <param name="ip" value="192.168.1.100"/>  		<!-- /* Peer node IP */ -->
 			   <param name="port" value="2944"/>   			<!--/* peer port */ -->
 			   <param name="encodingScheme" value="TEXT"/>  	<!--/* H.248 Encoding scheme TEXT/BINARY */ -->
 			    <param name="mid" value="<remote.mgc.com>" />    	<!-- /* Message Identifier (MID) of remote MGC MEGACO message  */-->

src/mod/endpoints/mod_megaco/megaco_stack.c

@@ -917,7 +917,21 @@ int mgco_mg_ssap_config(int idx)
 	pCfg->mwdTimer = (U16)10;
 
 	pCfg->minMgcoVersion = LMG_VER_PROF_MGCO_H248_1_0;
-	pCfg->maxMgcoVersion = LMG_VER_PROF_MGCO_H248_3_0;
+	switch(mgCfg->protocol_version)
+	{
+		case 1:
+			pCfg->maxMgcoVersion = LMG_VER_PROF_MGCO_H248_1_0;
+			break;
+		case 2:
+			pCfg->maxMgcoVersion = LMG_VER_PROF_MGCO_H248_2_0;
+			break;
+		case 3:
+			pCfg->maxMgcoVersion = LMG_VER_PROF_MGCO_H248_3_0;
+			break;
+		default:
+			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Protocol version[%d] \n",mgCfg->protocol_version);
+			return SWITCH_STATUS_FALSE;
+	}
 
 	pCfg->userInfo.pres.pres = PRSNT_NODEF;
 	pCfg->userInfo.id.pres 	 = NOTPRSNT;

src/mod/endpoints/mod_megaco/megaco_stack.h

@@ -76,6 +76,7 @@ typedef struct sng_mg_cfg{
         uint8_t                 my_domain[MAX_DOMAIN_LEN];   /* local domain name */
         uint8_t                 my_ipaddr[MAX_DOMAIN_LEN];   /* local domain name */
         uint32_t                port;              	     /* port */
+	uint16_t 		protocol_version;            /* Protocol supported version */
         uint16_t                peer_id;                     /* MGC Peer ID */
         uint16_t                transport_prof_id;           /* Transport profile id ..this also will be the spId for MG SAP*/
         uint16_t                protocol_type;    	     /* MEGACO/MGCP */

src/mod/endpoints/mod_megaco/megaco_xml.c

@@ -46,6 +46,17 @@ switch_status_t sng_parse_mg_profile(switch_xml_t mg_interface)
 			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, " mg_interface protocol[%d] \n", 
 					megaco_globals.g_mg_cfg.mgCfg[i].protocol_type);
 			/********************************************************************************************/
+		}else if(!strcasecmp(var, "version")){
+			/********************************************************************************************/
+			megaco_globals.g_mg_cfg.mgCfg[i].protocol_version = atoi(val);
+			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, " mg_interface protocol version[%s] \n",val); 
+			if((megaco_globals.g_mg_cfg.mgCfg[i].protocol_version < 1) 
+					|| (megaco_globals.g_mg_cfg.mgCfg[i].protocol_version > 3))
+			{
+				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid Protocol version[%s] , Supported values are [1/2/3] \n",val);
+				return SWITCH_STATUS_FALSE;
+			}
+			/********************************************************************************************/
 		}else if(!strcasecmp(var, "transportProfileId")){
 			/********************************************************************************************/
 			megaco_globals.g_mg_cfg.mgCfg[i].transport_prof_id   = atoi(val);