Added network error messages to the render server.

server/mandel_render_srv.cpp

@@ -18,6 +18,9 @@ mandel_render_srv::mandel_render_srv(mandel_settings settings, std::string host,
     {
         socket = new mandel_socket(host.c_str(), port, this);
         connect(socket, &mandel_socket::packet_ready, this, &mandel_render_srv::handle_recv_data);
+        connect(socket, &mandel_socket::disconnected, this, &mandel_render_srv::handle_network_down);
+        connect(socket, static_cast<void (mandel_socket::*)(QAbstractSocket::SocketError)>(&mandel_socket::error), 
+                this, &mandel_render_srv::handle_socket_error);
     }
     else
         socket = nullptr;
@@ -106,3 +109,15 @@ void mandel_render_srv::handle_recv_data()
     
     delete packet;
 }
+
+void mandel_render_srv::handle_network_down()
+{
+    cout << "The network connection died! Shutting down!" << endl;
+    exit(1);
+}
+
+void mandel_render_srv::handle_socket_error(QAbstractSocket::SocketError error)
+{
+    cout << "Socket error: " << socket->errorString().toStdString() << ", Shutting down!" << endl;
+    exit(1);
+}

server/mandel_render_srv.h

@@ -23,6 +23,8 @@ class mandel_render_srv : public QObject
 
     private slots:
             void handle_recv_data();
+            void handle_network_down();
+            void handle_socket_error(QAbstractSocket::SocketError error);
 };
 
 #endif