这实际上是我在套接字编程中的第一个程序,除了复制粘贴教程代码并享受乐趣之外。无论如何它都不起作用。我想我已经仔细阅读了文档,但也许还不够。我怀疑我使用socket::read_some()
in read_message()
因为我的有问题的程序停在阅读部分。我认为我使用它的方式应该没问题,因为文档socket::read_some()
声明“函数调用将阻塞,直到成功读取一个或多个字节的数据,或者发生错误。”下面是我的代码。任何帮助表示赞赏。
void read_message(std::string& message, boost::asio::ip::tcp::socket& socket)
{
std::stringstream message_stream;
while (true)
{
std::array<char, 128> buffer;
boost::system::error_code error;
size_t len = socket.read_some(boost::asio::buffer(buffer), error);
if (error == boost::asio::error::eof)
{
break;
}
message_stream.write(buffer.data(), len);
}
message = message_stream.str();
}
服务器.cpp
int main()
{
while (true)
{
boost::asio::io_service io_service;
boost::asio::ip::tcp::acceptor acceptor(io_service, boost::asio::ip::tcp::endpoint(
boost::asio::ip::tcp::v4(), 9999));
boost::asio::ip::tcp::socket socket(io_service);
acceptor.accept(socket);
std::cout << "connected with client, waiting for a message\n";
std::string message;
read_message(message, socket);
boost::asio::ip::tcp::endpoint endpoint = socket.remote_endpoint();
std::cout << "message received from " << endpoint.address().to_string() <<
':' << endpoint.port() << '\n' << message << '\n';
boost::asio::write(socket, boost::asio::buffer(message));
if (message.compare("quit") == 0)
{
break;
}
}
return EXIT_SUCCESS;
}
客户端.cpp
int main()
{
while (true)
{
std::cout << "your message to be sent: ";
std::string message;
std::getline(std::cin, message);
boost::asio::io_service io_service;
boost::asio::ip::tcp::resolver resolver(io_service);
boost::asio::ip::tcp::resolver::query query("localhost", "9999");
boost::asio::ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
boost::asio::ip::tcp::socket socket(io_service);
boost::asio::connect(socket, endpoint_iterator);
std::cout << "connected to server\n";
boost::asio::write(socket, boost::asio::buffer(message));
read_message(message, socket);
std::cout << "message received from server: " << message << '\n';
if (message.compare("quit") == 0)
{
break;
}
}
return EXIT_SUCCESS;
}