little app and am getting a strange error from boost. I havent actually written the server part of the code so I know that I won't get the "Connect Successful" message but I wanted to make sure i would get the "Could not connect to socket, exiting..." message. The code is as ...
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the host is rebooted, the host or remote network interface is disabled, or the remote host uses a hard close (seesetsockoptfor more information on the SO_LINGER option on the remote socket). This error may also result if
boost::system::error_codeerror 我们用这个类型去接受在函数中产生的错误 如 socket.connect(endpoint,error); 如果连接失败,错误类型会保存到error中,比如连接主机失败可能会返回这样的错误 boost::asio::error::host_not_found; 通过if (error)检测到error后,抛出异常 throwboost::system::system_error(error);...
按照muduo Github官网README中的说法, 只需要编译muduo库根目录下的build.sh可执行文件即可。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 Muduo is a multithreadedC++network library based on the reactor pattern.http://github.com/chenshuo/muduoCopyright(c)2010,Shuo Chen.All rights reserved.Useof...
boost::asio::placeholders::error作为参数即可, 同理,我们sync_write_some需要返回读写数据的大小,令人开心的是boost::asio::placeholders::bytes_transferred直接作为参数就可以保存数据大小。 实例如下: boost::asio::async_write(socket_,boost::asio::buffer(message_),boost::bind(&tcp_connection::handle_writ...
问在C++中使用'boost::system::error_code‘EN本文介绍了如何使用Boost库在Visual Studio 2017中实现高...
cerr << "socket.close error: " << errorcode.message() << endl; } // Notify the observer we have disconnected myObserver->disconnected(); } ..它尝试优雅地断开连接,然后通知观察者,观察者将开始以五秒的间隔调用connect()直到重新连接。
#include <boost/asio.hpp> #include <iostream> void on_timer_expired(const boost::system::error_code& e) { if (!e) { std::cout << "Timer expired!" << std::endl; } } int main() { boost::asio::io_context io; boost::asio::steady_timer timer(io, boost::asio::chrono::seconds...
(&Server::write_handler, this, boost::asio::placeholders::error/* 此处作为占位符 */)); // 启动新的异步监听 start(); } // 完成异步写操作后的处理器 void write_handler(const boost::system::error_code& _ec) { std::cout << "server: send message complete." << std::endl; } }; ...