From ff01b716711b97c2fcaa709ea97f7650f106aa10 Mon Sep 17 00:00:00 2001 From: Miodrag Milanovic Date: Fri, 7 Oct 2016 14:13:19 +0200 Subject: Added ASIO networking library (nw) --- .../src/examples/cpp03/local/stream_server.cpp | 141 +++++++++++++++++++++ 1 file changed, 141 insertions(+) create mode 100644 3rdparty/asio/src/examples/cpp03/local/stream_server.cpp (limited to '3rdparty/asio/src/examples/cpp03/local/stream_server.cpp') diff --git a/3rdparty/asio/src/examples/cpp03/local/stream_server.cpp b/3rdparty/asio/src/examples/cpp03/local/stream_server.cpp new file mode 100644 index 00000000000..0bfe2788cae --- /dev/null +++ b/3rdparty/asio/src/examples/cpp03/local/stream_server.cpp @@ -0,0 +1,141 @@ +// +// stream_server.cpp +// ~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// +// Distributed under the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +#include +#include +#include +#include +#include +#include +#include "asio.hpp" + +#if defined(ASIO_HAS_LOCAL_SOCKETS) + +using asio::local::stream_protocol; + +class session + : public boost::enable_shared_from_this +{ +public: + session(asio::io_context& io_context) + : socket_(io_context) + { + } + + stream_protocol::socket& socket() + { + return socket_; + } + + void start() + { + socket_.async_read_some(asio::buffer(data_), + boost::bind(&session::handle_read, + shared_from_this(), + asio::placeholders::error, + asio::placeholders::bytes_transferred)); + } + + void handle_read(const asio::error_code& error, + size_t bytes_transferred) + { + if (!error) + { + asio::async_write(socket_, + asio::buffer(data_, bytes_transferred), + boost::bind(&session::handle_write, + shared_from_this(), + asio::placeholders::error)); + } + } + + void handle_write(const asio::error_code& error) + { + if (!error) + { + socket_.async_read_some(asio::buffer(data_), + boost::bind(&session::handle_read, + shared_from_this(), + asio::placeholders::error, + asio::placeholders::bytes_transferred)); + } + } + +private: + // The socket used to communicate with the client. + stream_protocol::socket socket_; + + // Buffer used to store data received from the client. + boost::array data_; +}; + +typedef boost::shared_ptr session_ptr; + +class server +{ +public: + server(asio::io_context& io_context, const std::string& file) + : io_context_(io_context), + acceptor_(io_context, stream_protocol::endpoint(file)) + { + session_ptr new_session(new session(io_context_)); + acceptor_.async_accept(new_session->socket(), + boost::bind(&server::handle_accept, this, new_session, + asio::placeholders::error)); + } + + void handle_accept(session_ptr new_session, + const asio::error_code& error) + { + if (!error) + { + new_session->start(); + } + + new_session.reset(new session(io_context_)); + acceptor_.async_accept(new_session->socket(), + boost::bind(&server::handle_accept, this, new_session, + asio::placeholders::error)); + } + +private: + asio::io_context& io_context_; + stream_protocol::acceptor acceptor_; +}; + +int main(int argc, char* argv[]) +{ + try + { + if (argc != 2) + { + std::cerr << "Usage: stream_server \n"; + std::cerr << "*** WARNING: existing file is removed ***\n"; + return 1; + } + + asio::io_context io_context; + + std::remove(argv[1]); + server s(io_context, argv[1]); + + io_context.run(); + } + catch (std::exception& e) + { + std::cerr << "Exception: " << e.what() << "\n"; + } + + return 0; +} + +#else // defined(ASIO_HAS_LOCAL_SOCKETS) +# error Local sockets not available on this platform. +#endif // defined(ASIO_HAS_LOCAL_SOCKETS) -- cgit v1.2.3-70-g09d2