Fix $SYS counters when message is sent over WS

Signed-off-by: Pierre Fersing <pierre.fersing@bleemeo.com>

ChangeLog.txt

@@ -9,6 +9,8 @@ Broker:
 - Fix 08-ssl-bridge.py test when using async dns lookups. Closes #507.
 - Lines in the config file are no longer limited to 1024 characters long.
   Closes #652.
+- Fix $SYS counters of messages and bytes sent when message is sent over
+  a Websockets. Closes #250.
 
 Client library:
 - Fix incorrect PSK key being used if it had leading zeroes.

src/websockets.c

@@ -285,12 +285,22 @@ static int callback_mqtt(struct libwebsocket_context *context,
 				if(count < 0){
 					return 0;
 				}
+#ifdef WITH_SYS_TREE
+				g_bytes_sent += count;
+#endif
 				packet->to_process -= count;
 				packet->pos += count;
 				if(packet->to_process > 0){
 					break;
 				}
 
+#ifdef WITH_SYS_TREE
+				g_msgs_sent++;
+				if(((packet->command)&0xF6) == PUBLISH){
+					g_pub_msgs_sent++;
+				}
+#endif
+
 				/* Free data and reset values */
 				mosq->current_out_packet = mosq->out_packet;
 				if(mosq->out_packet){