void SpcServer::onClose(TcpConnectionPtr conn){ cout << conn->toString() << "has closed" << endl; }
void WordQueryServer::onClose(const TcpConnectionPtr & conn) { printf("%s close.\n", conn->toString().c_str()); }
void SpcServer::onConnection(TcpConnectionPtr conn){ cout << conn->toString() << "has connected" << endl; conn->send("Welcome to SPC Server"); }