adding new "fax-detect-evevt-type" field in config

src/mod/endpoints/mod_media_gateway/media_gateway.c

@@ -191,10 +191,34 @@ switch_status_t megaco_activate_termination(mg_termination_t *term)
         
         switch_core_event_hook_add_recv_dtmf(session, mg_on_dtmf);
         	
-        if (term->type == MG_TERM_TDM) {
-            switch_core_session_execute_application_async(session, "spandsp_start_fax_detect", "mg_notify cng 120 cng");
-            switch_core_session_execute_application_async(session, "spandsp_start_fax_detect", "mg_notify ced 120 ced");
-        }
+		if ((term->type == MG_TERM_TDM) && (term->profile)){
+				switch(term->profile->fax_detect_evt_type){
+					case MG_FAX_DETECT_EVENT_TYPE_CED:
+						{ 
+							switch_core_session_execute_application_async(session, "spandsp_start_fax_detect", "mg_notify ced 120 ced");
+							break;
+						}
+					case MG_FAX_DETECT_EVENT_TYPE_CNG:
+						{ 
+							switch_core_session_execute_application_async(session, "spandsp_start_fax_detect", "mg_notify cng 120 cng");
+							break;
+						}
+					case MG_FAX_DETECT_EVENT_TYPE_CNG_CED:
+						{ 
+							switch_core_session_execute_application_async(session, "spandsp_start_fax_detect", "mg_notify cng 120 cng");
+							switch_core_session_execute_application_async(session, "spandsp_start_fax_detect", "mg_notify ced 120 ced");
+							break;
+						}
+					case MG_FAX_DETECT_EVENT_TYPE_DISABLE:
+						{
+							switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "FAX detection Disable\n");
+							break;
+						}
+					default:
+						switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid FAX detection Event[%d]\n",term->profile->fax_detect_evt_type);
+						break;
+				}
+			}
     }
     
     switch_set_flag(term, MGT_ACTIVE);

src/mod/endpoints/mod_media_gateway/media_gateway_xml.c

@@ -71,6 +71,7 @@ switch_status_t config_profile(megaco_profile_t *profile, switch_bool_t reload)
 		}
 
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG,"rtp_ipaddr[%s], local ip[%s]\n", profile->rtp_ipaddr, profile->my_ipaddr);
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG,"fax_detect_evt_type[%s]\n", mg_fax_detect_evt_type2str(profile->fax_detect_evt_type));
 
 		if(SWITCH_STATUS_FALSE == (status = modify_mg_profile_mid(profile, &profile->mid))){
 			goto done;
@@ -337,6 +338,13 @@ static switch_xml_config_item_t *get_instructions(megaco_profile_t *profile) {
 		{  "ILBC", MEGACO_CODEC_ILBC },
 	};
 #endif
+	static switch_xml_config_enum_item_t opt_fax_detect_type_enum[] = {
+		{  "CED",  MG_FAX_DETECT_EVENT_TYPE_CED},
+		{  "CNG",  MG_FAX_DETECT_EVENT_TYPE_CNG},
+		{  "CED_CNG",  MG_FAX_DETECT_EVENT_TYPE_CNG_CED},
+		{  "DISABLE",  MG_FAX_DETECT_EVENT_TYPE_DISABLE},
+	};
+
 
 	switch_xml_config_item_t instructions[] = {
 		/* parameter name        type                 reloadable   pointer                         default value     options structure */
@@ -355,6 +363,7 @@ static switch_xml_config_item_t *get_instructions(megaco_profile_t *profile) {
 		SWITCH_CONFIG_ITEM("codec-prefs", SWITCH_CONFIG_STRING, 0, &profile->codec_prefs, "", &switch_config_string_strdup, "", "codec preferences, coma-separated"),
 		SWITCH_CONFIG_ITEM("license", SWITCH_CONFIG_STRING, 0, &profile->license, "/usr/local/nsg/conf/license.txt", &switch_config_string_strdup, "", "License file"),
 		SWITCH_CONFIG_ITEM("rtp-ip", SWITCH_CONFIG_STRING, CONFIG_RELOADABLE, &profile->rtp_ipaddr, "" , &switch_config_string_strdup, "", "rtp ip"),
+		SWITCH_CONFIG_ITEM("fax-detect-event-type", SWITCH_CONFIG_ENUM, CONFIG_RELOADABLE, &profile->fax_detect_evt_type, MG_FAX_DETECT_EVENT_TYPE_CNG_CED , &opt_fax_detect_type_enum, "", "fax-detect-event-type"),
 		SWITCH_CONFIG_ITEM_END()
 	};
 	

src/mod/endpoints/mod_media_gateway/mod_media_gateway.h

@@ -150,6 +150,31 @@ static inline mg_media_type_t mg_media_type_parse(const char *str) {
     return MGM_INVALID;
 }
 
+typedef enum {
+    MG_FAX_DETECT_EVENT_TYPE_NONE = 0,
+    MG_FAX_DETECT_EVENT_TYPE_CED,
+    MG_FAX_DETECT_EVENT_TYPE_CNG,
+    MG_FAX_DETECT_EVENT_TYPE_CNG_CED,
+    MG_FAX_DETECT_EVENT_TYPE_DISABLE,
+    MG_FAX_DETECT_EVENT_TYPE_INVALID,
+} mg_fax_detect_event_type_t;
+
+static inline const char *mg_fax_detect_evt_type2str(mg_fax_detect_event_type_t type) {
+    switch (type) {
+        case MG_FAX_DETECT_EVENT_TYPE_CED:
+            return "CED";
+        case MG_FAX_DETECT_EVENT_TYPE_CNG:
+            return "CNG";
+        case MG_FAX_DETECT_EVENT_TYPE_CNG_CED:
+            return "CED AND CNG";
+        case MG_FAX_DETECT_EVENT_TYPE_DISABLE:
+            return "DISABLE";
+        default:
+            return "Invalid";
+    }
+    return NULL;
+}
+
 struct mg_context_s {
     uint32_t context_id;
     mg_termination_t *terminations[MG_CONTEXT_MAX_TERMS];
@@ -232,6 +257,7 @@ struct megaco_profile_s {
 	int						inact_tmr;                   /* inactivity timer value */
 	int						peer_active;                   /* inactivity timer value */
     uint32_t                inact_tmr_task_id;                 /* FS timer scheduler task-id */
+    mg_fax_detect_event_type_t fax_detect_evt_type;
     
     switch_thread_rwlock_t  *contexts_rwlock;
     uint32_t next_context_id;