Strip last 4 in deflate, enable send compression in Autobahn

src/Hub.cpp

@@ -34,11 +34,11 @@ char *Hub::deflate(char *data, size_t &length) {
     if (dynamicZlibBuffer.length()) {
         dynamicZlibBuffer.append(zlibBuffer, DEFLATE_OUTPUT_CHUNK - deflationStream.avail_out);
 
-        length = dynamicZlibBuffer.length();
+        length = dynamicZlibBuffer.length() - 4;
         return (char *) dynamicZlibBuffer.data();
     }
 
-    length = DEFLATE_OUTPUT_CHUNK - deflationStream.avail_out;
+    length = DEFLATE_OUTPUT_CHUNK - deflationStream.avail_out - 4;
     return zlibBuffer;
 }
 

tests/main.cpp

@@ -28,7 +28,7 @@ void testAutobahn() {
     uWS::Group<uWS::SERVER> *group = h.createGroup<uWS::SERVER>(uWS::PERMESSAGE_DEFLATE);
 
     auto messageHandler = [](uWS::WebSocket<uWS::SERVER> *ws, char *message, size_t length, uWS::OpCode opCode) {
-        ws->send(message, length, opCode);
+        ws->send(message, length, opCode, nullptr, nullptr, true);
     };
 
     sslGroup->onMessage(messageHandler);