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author | 2024-04-22 08:04:58 +1000 | |
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committer | 2024-04-22 08:04:58 +1000 | |
commit | 184292b730f4236bd4840e780fdad97ee060ec84 (patch) | |
tree | 67902161a465fe92aec78ca502de07092b8cde0f /3rdparty/asio/src/examples/cpp03/chat/posix_chat_client.cpp | |
parent | 24154bc1f00790f344120b3a85175d6f616c5ad0 (diff) |
3rdparty/asio: Updated to 1.30.2
Diffstat (limited to '3rdparty/asio/src/examples/cpp03/chat/posix_chat_client.cpp')
-rw-r--r-- | 3rdparty/asio/src/examples/cpp03/chat/posix_chat_client.cpp | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/3rdparty/asio/src/examples/cpp03/chat/posix_chat_client.cpp b/3rdparty/asio/src/examples/cpp03/chat/posix_chat_client.cpp deleted file mode 100644 index 16f312de63e..00000000000 --- a/3rdparty/asio/src/examples/cpp03/chat/posix_chat_client.cpp +++ /dev/null @@ -1,204 +0,0 @@ -// -// posix_chat_client.cpp -// ~~~~~~~~~~~~~~~~~~~~~ -// -// Copyright (c) 2003-2021 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 <cstdlib> -#include <cstring> -#include <iostream> -#include <boost/array.hpp> -#include <boost/bind/bind.hpp> -#include "asio.hpp" -#include "chat_message.hpp" - -#if defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR) - -using asio::ip::tcp; -namespace posix = asio::posix; - -class posix_chat_client -{ -public: - posix_chat_client(asio::io_context& io_context, - const tcp::resolver::results_type& endpoints) - : socket_(io_context), - input_(io_context, ::dup(STDIN_FILENO)), - output_(io_context, ::dup(STDOUT_FILENO)), - input_buffer_(chat_message::max_body_length) - { - asio::async_connect(socket_, endpoints, - boost::bind(&posix_chat_client::handle_connect, this, - asio::placeholders::error)); - } - -private: - - void handle_connect(const asio::error_code& error) - { - if (!error) - { - // Read the fixed-length header of the next message from the server. - asio::async_read(socket_, - asio::buffer(read_msg_.data(), chat_message::header_length), - boost::bind(&posix_chat_client::handle_read_header, this, - asio::placeholders::error)); - - // Read a line of input entered by the user. - asio::async_read_until(input_, input_buffer_, '\n', - boost::bind(&posix_chat_client::handle_read_input, this, - asio::placeholders::error, - asio::placeholders::bytes_transferred)); - } - } - - void handle_read_header(const asio::error_code& error) - { - if (!error && read_msg_.decode_header()) - { - // Read the variable-length body of the message from the server. - asio::async_read(socket_, - asio::buffer(read_msg_.body(), read_msg_.body_length()), - boost::bind(&posix_chat_client::handle_read_body, this, - asio::placeholders::error)); - } - else - { - close(); - } - } - - void handle_read_body(const asio::error_code& error) - { - if (!error) - { - // Write out the message we just received, terminated by a newline. - static char eol[] = { '\n' }; - boost::array<asio::const_buffer, 2> buffers = {{ - asio::buffer(read_msg_.body(), read_msg_.body_length()), - asio::buffer(eol) }}; - asio::async_write(output_, buffers, - boost::bind(&posix_chat_client::handle_write_output, this, - asio::placeholders::error)); - } - else - { - close(); - } - } - - void handle_write_output(const asio::error_code& error) - { - if (!error) - { - // Read the fixed-length header of the next message from the server. - asio::async_read(socket_, - asio::buffer(read_msg_.data(), chat_message::header_length), - boost::bind(&posix_chat_client::handle_read_header, this, - asio::placeholders::error)); - } - else - { - close(); - } - } - - void handle_read_input(const asio::error_code& error, - std::size_t length) - { - if (!error) - { - // Write the message (minus the newline) to the server. - write_msg_.body_length(length - 1); - input_buffer_.sgetn(write_msg_.body(), length - 1); - input_buffer_.consume(1); // Remove newline from input. - write_msg_.encode_header(); - asio::async_write(socket_, - asio::buffer(write_msg_.data(), write_msg_.length()), - boost::bind(&posix_chat_client::handle_write, this, - asio::placeholders::error)); - } - else if (error == asio::error::not_found) - { - // Didn't get a newline. Send whatever we have. - write_msg_.body_length(input_buffer_.size()); - input_buffer_.sgetn(write_msg_.body(), input_buffer_.size()); - write_msg_.encode_header(); - asio::async_write(socket_, - asio::buffer(write_msg_.data(), write_msg_.length()), - boost::bind(&posix_chat_client::handle_write, this, - asio::placeholders::error)); - } - else - { - close(); - } - } - - void handle_write(const asio::error_code& error) - { - if (!error) - { - // Read a line of input entered by the user. - asio::async_read_until(input_, input_buffer_, '\n', - boost::bind(&posix_chat_client::handle_read_input, this, - asio::placeholders::error, - asio::placeholders::bytes_transferred)); - } - else - { - close(); - } - } - - void close() - { - // Cancel all outstanding asynchronous operations. - socket_.close(); - input_.close(); - output_.close(); - } - -private: - tcp::socket socket_; - posix::stream_descriptor input_; - posix::stream_descriptor output_; - chat_message read_msg_; - chat_message write_msg_; - asio::streambuf input_buffer_; -}; - -int main(int argc, char* argv[]) -{ - try - { - if (argc != 3) - { - std::cerr << "Usage: posix_chat_client <host> <port>\n"; - return 1; - } - - asio::io_context io_context; - - tcp::resolver resolver(io_context); - tcp::resolver::results_type endpoints = resolver.resolve(argv[1], argv[2]); - - posix_chat_client c(io_context, endpoints); - - io_context.run(); - } - catch (std::exception& e) - { - std::cerr << "Exception: " << e.what() << "\n"; - } - - return 0; -} - -#else // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR) -int main() {} -#endif // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR) |