Make max argument optional on the limit app, set the limit_usage variable with…

Make max argument optional on the limit app, set the limit_usage variable with the current count after inserting the call in the db

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@11955 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_limit/mod_limit.c

@@ -701,7 +701,7 @@ SWITCH_STANDARD_APP(group_function)
 	}
 }
 
-#define LIMIT_USAGE "<realm> <id> <max> [number  [dialplan [context]]]"
+#define LIMIT_USAGE "<realm> <id> [<max> [number  [dialplan [context]]]]"
 #define LIMIT_DESC "limit access to a resource and transfer to an extension if the limit is exceeded"
 static char *limit_def_xfer_exten = "limit_exceeded";
 
@@ -727,14 +727,23 @@ SWITCH_STANDARD_APP(limit_function)
 
 	if (argc < 3) {
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "USAGE: limit %s\n", LIMIT_USAGE);
-		return;
+		goto done;
 	}
 
 	switch_mutex_lock(globals.mutex);
 
 	realm = argv[0];
 	id = argv[1];
-	max = atoi(argv[2]);
+	
+	if (argc > 2) {
+		max = atoi(argv[2]);
+		if (max < 0) {
+			max = 0; 
+		}
+	}
+	else {
+		max = -1;
+	}
 
 	if (argc >= 4) {
 		xfer_exten = argv[3];
@@ -742,9 +751,6 @@ SWITCH_STANDARD_APP(limit_function)
 		xfer_exten = limit_def_xfer_exten;
 	}
 
-	if (max < 0) {
-		max = 0;
-	}
 	
 	new_channel = !switch_channel_get_variable(channel, "limit_realm");
 	switch_channel_set_variable(channel, "limit_realm", realm);
@@ -758,7 +764,7 @@ SWITCH_STANDARD_APP(limit_function)
 	switch_safe_free(sql);
 	got = atoi(buf);
 
-	if (got + 1 > max) {
+	if (max > 0 && got + 1 > max) {
 		switch_ivr_session_transfer(session, xfer_exten, argv[4], argv[5]);
 		goto done;
 	}
@@ -771,8 +777,11 @@ SWITCH_STANDARD_APP(limit_function)
 					   switch_core_session_get_uuid(session));
 	limit_execute_sql(sql, NULL);
 	switch_safe_free(sql);
+	
+	switch_channel_set_variable(channel, "limit_usage", switch_core_session_sprintf(session, "%d", ++got));
 
   done:
+	switch_safe_free(mydata);
 	switch_mutex_unlock(globals.mutex);
 }