Added traces in sent method

Author: mathieucarbou

src/AsyncWebSocket.cpp

@@ -177,22 +177,25 @@ size_t AsyncWebSocketMessage::ack(size_t len, uint32_t time) {
 
 size_t AsyncWebSocketMessage::send(AsyncClient *client) {
   if (!client) {
+    async_ws_log_v("No client");
     return 0;
   }
 
   if (_status != WS_MSG_SENDING) {
+    async_ws_log_v("Wrong status: got: %d, expected: %d", static_cast<int>(_status), static_cast<int>(WS_MSG_SENDING));
     return 0;
   }
 
   if (_sent == _WSbuffer->size()) {
     if (_acked == _ack) {
       _status = WS_MSG_SENT;
     }
+    async_ws_log_v("Already sent: %u/%u", _sent, _WSbuffer->size());
     return 0;
   }
   if (_sent > _WSbuffer->size()) {
     _status = WS_MSG_ERROR;
-    // ets_printf("E: %u > %u\n", _sent, _WSbuffer->length());
+    async_ws_log_v("Error, sent more: %u/%u", _sent, _WSbuffer->size());
     return 0;
   }
 
@@ -201,6 +204,7 @@ size_t AsyncWebSocketMessage::send(AsyncClient *client) {
 
   // not enough space in lwip buffer ?
   if (!window) {
+    async_ws_log_v("No space left to send more data: acked: %u, sent: %u, remaining: %u", _acked, _sent, toSend);
     return 0;
   }
 
@@ -209,20 +213,18 @@ size_t AsyncWebSocketMessage::send(AsyncClient *client) {
   _sent += toSend;
   _ack += toSend + ((toSend < 126) ? 2 : 4) + (_mask * 4);
 
-  // ets_printf("W: %u %u\n", _sent - toSend, toSend);
-
   bool final = (_sent == _WSbuffer->size());
   uint8_t *dPtr = (uint8_t *)(_WSbuffer->data() + (_sent - toSend));
   uint8_t opCode = (toSend && _sent == toSend) ? _opcode : (uint8_t)WS_CONTINUATION;
 
   size_t sent = webSocketSendFrame(client, final, opCode, _mask, dPtr, toSend);
   _status = WS_MSG_SENDING;
   if (toSend && sent != toSend) {
-    // ets_printf("E: %u != %u\n", toSend, sent);
     _sent -= (toSend - sent);
     _ack -= (toSend - sent);
   }
-  // ets_printf("S: %u %u\n", _sent, sent);
+
+  async_ws_log_v("Sent %u/%u, ack: %u/%u, final: %d", _sent, _WSbuffer->size(), _acked, _ack, final);
   return sent;
 }