connect() returns a boolean

src/network/socket_handler.cpp

@@ -20,7 +20,7 @@ SocketHandler::SocketHandler():
     throw std::runtime_error("Could not create socket");
 }
 
-void SocketHandler::connect(const std::string& address, const std::string& port)
+bool SocketHandler::connect(const std::string& address, const std::string& port)
 {
   log_info("Trying to connect to " << address << ":" << port);
   struct addrinfo hints;
@@ -47,13 +47,14 @@ void SocketHandler::connect(const std::string& address, const std::string& port)
         {
           log_info("Connection success.");
           this->on_connected();
-          return ;
+          return true;
         }
       log_info("Connection failed:");
       perror("connect");
     }
   log_error("All connection attempts failed.");
   this->close();
+  return false;
 }
 
 void SocketHandler::set_poller(Poller* poller)

src/network/socket_handler.hpp

@@ -21,7 +21,7 @@ public:
   /**
    * Connect to the remote server, and call on_connected() if this succeeds
    */
-  void connect(const std::string& address, const std::string& port);
+  bool connect(const std::string& address, const std::string& port);
   /**
    * Set the pointer to the given Poller, to communicate with it.
    */