我想创建一个tcp同步服务器。我的主线程将创建侦听端口,并且传入的连接将由线程处理。Boost Asio多线程TCP同步服务器
我的代码:
void WorkerThread(boost::shared_ptr<boost::asio::io_service> io_service)
{
io_service->run();
}
void Application::server()
{
boost::shared_ptr<boost::asio::io_service> io(
new boost::asio::io_service()
);
boost::shared_ptr<boost::asio::io_service::work> work(
new boost::asio::io_service::work(*io)
);
// Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR
boost::asio::ip::tcp::acceptor acceptor(*io);
boost::asio::ip::tcp::endpoint endpoint(boost::asio::ip::tcp::v4(), 2198);
acceptor.open(endpoint.protocol());
acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
acceptor.bind(endpoint);
acceptor.listen();
// pool of threads
boost::thread_group worker_threads;
for(int x = 0; x < 5; ++x)
{
worker_threads.create_thread(boost::bind(&WorkerThread, io));
}
while(true)
{
boost::shared_ptr<boost::asio::ip::tcp::socket> socket(
new boost::asio::ip::tcp::socket(*io)
);
acceptor.accept(*socket);
processConnection(*socket);
socket->close();
}
io->stop();
worker_threads.join_all();
}
void Application::processConnection(boost::asio::ip::tcp::socket & socket)
{
boost::asio::streambuf request_buffer;
std::istream request_stream(&request_buffer);
// repsonse buffer
boost::asio::streambuf response_buffer;
std::ostream response_stream(&response_buffer);
boost::asio::read_until(socket, request_buffer, "</message>");
// process request_buffer into response_buffer
boost::asio::write(socket, response_buffer);
}
下正在与多个客户端连接到服务器;但是,如果我删除了线程池,它也可以工作。任何人都可以解释我为什么这样吗?我甚至需要一个线程池吗?
有一个情况我会需要在同步服务器上使用run()? – Takashi
@高坤没有没有 –