ixwebsocketserver::broadcast server to return a boolean to know whether the server could start/listen, and use that in ws

ixwebsocket/IXWebSocketServer.cpp

@@ -201,15 +201,15 @@ namespace ix
         });
     }
 
-    int WebSocketServer::listenAndStart()
+    bool WebSocketServer::listenAndStart()
     {
         auto res = listen();
         if (!res.first)
         {
-            return 1;
+            return false;
         }
 
         start();
-        return 0;
+        return true;
     }
 } // namespace ix

ixwebsocket/IXWebSocketServer.h

@@ -48,7 +48,7 @@ namespace ix
         std::set<std::shared_ptr<WebSocket>> getClients();
 
         void makeBroadcastServer();
-        int listenAndStart();
+        bool listenAndStart();
 
         const static int kDefaultHandShakeTimeoutSecs;
 

ws/ws.cpp

@@ -2768,8 +2768,14 @@ int main(int argc, char** argv)
         ix::WebSocketServer server(port, hostname);
         server.setTLSOptions(tlsOptions);
         server.makeBroadcastServer();
-        server.listenAndStart();
-        server.wait();
+        if (!server.listenAndStart())
+        {
+            spdlog::error("Error while starting the server");
+        }
+        else
+        {
+            server.wait();
+        }
     }
     else if (app.got_subcommand("send"))
     {