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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/chat_server.cpp | |
parent | 24154bc1f00790f344120b3a85175d6f616c5ad0 (diff) |
3rdparty/asio: Updated to 1.30.2
Diffstat (limited to '3rdparty/asio/src/examples/cpp03/chat/chat_server.cpp')
-rw-r--r-- | 3rdparty/asio/src/examples/cpp03/chat/chat_server.cpp | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/3rdparty/asio/src/examples/cpp03/chat/chat_server.cpp b/3rdparty/asio/src/examples/cpp03/chat/chat_server.cpp deleted file mode 100644 index c8abca218f1..00000000000 --- a/3rdparty/asio/src/examples/cpp03/chat/chat_server.cpp +++ /dev/null @@ -1,249 +0,0 @@ -// -// chat_server.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 <algorithm> -#include <cstdlib> -#include <deque> -#include <iostream> -#include <list> -#include <set> -#include <boost/bind/bind.hpp> -#include <boost/shared_ptr.hpp> -#include <boost/enable_shared_from_this.hpp> -#include "asio.hpp" -#include "chat_message.hpp" - -using asio::ip::tcp; - -//---------------------------------------------------------------------- - -typedef std::deque<chat_message> chat_message_queue; - -//---------------------------------------------------------------------- - -class chat_participant -{ -public: - virtual ~chat_participant() {} - virtual void deliver(const chat_message& msg) = 0; -}; - -typedef boost::shared_ptr<chat_participant> chat_participant_ptr; - -//---------------------------------------------------------------------- - -class chat_room -{ -public: - void join(chat_participant_ptr participant) - { - participants_.insert(participant); - std::for_each(recent_msgs_.begin(), recent_msgs_.end(), - boost::bind(&chat_participant::deliver, - participant, boost::placeholders::_1)); - } - - void leave(chat_participant_ptr participant) - { - participants_.erase(participant); - } - - void deliver(const chat_message& msg) - { - recent_msgs_.push_back(msg); - while (recent_msgs_.size() > max_recent_msgs) - recent_msgs_.pop_front(); - - std::for_each(participants_.begin(), participants_.end(), - boost::bind(&chat_participant::deliver, - boost::placeholders::_1, boost::ref(msg))); - } - -private: - std::set<chat_participant_ptr> participants_; - enum { max_recent_msgs = 100 }; - chat_message_queue recent_msgs_; -}; - -//---------------------------------------------------------------------- - -class chat_session - : public chat_participant, - public boost::enable_shared_from_this<chat_session> -{ -public: - chat_session(asio::io_context& io_context, chat_room& room) - : socket_(io_context), - room_(room) - { - } - - tcp::socket& socket() - { - return socket_; - } - - void start() - { - room_.join(shared_from_this()); - asio::async_read(socket_, - asio::buffer(read_msg_.data(), chat_message::header_length), - boost::bind( - &chat_session::handle_read_header, shared_from_this(), - asio::placeholders::error)); - } - - void deliver(const chat_message& msg) - { - bool write_in_progress = !write_msgs_.empty(); - write_msgs_.push_back(msg); - if (!write_in_progress) - { - asio::async_write(socket_, - asio::buffer(write_msgs_.front().data(), - write_msgs_.front().length()), - boost::bind(&chat_session::handle_write, shared_from_this(), - asio::placeholders::error)); - } - } - - void handle_read_header(const asio::error_code& error) - { - if (!error && read_msg_.decode_header()) - { - asio::async_read(socket_, - asio::buffer(read_msg_.body(), read_msg_.body_length()), - boost::bind(&chat_session::handle_read_body, shared_from_this(), - asio::placeholders::error)); - } - else - { - room_.leave(shared_from_this()); - } - } - - void handle_read_body(const asio::error_code& error) - { - if (!error) - { - room_.deliver(read_msg_); - asio::async_read(socket_, - asio::buffer(read_msg_.data(), chat_message::header_length), - boost::bind(&chat_session::handle_read_header, shared_from_this(), - asio::placeholders::error)); - } - else - { - room_.leave(shared_from_this()); - } - } - - void handle_write(const asio::error_code& error) - { - if (!error) - { - write_msgs_.pop_front(); - if (!write_msgs_.empty()) - { - asio::async_write(socket_, - asio::buffer(write_msgs_.front().data(), - write_msgs_.front().length()), - boost::bind(&chat_session::handle_write, shared_from_this(), - asio::placeholders::error)); - } - } - else - { - room_.leave(shared_from_this()); - } - } - -private: - tcp::socket socket_; - chat_room& room_; - chat_message read_msg_; - chat_message_queue write_msgs_; -}; - -typedef boost::shared_ptr<chat_session> chat_session_ptr; - -//---------------------------------------------------------------------- - -class chat_server -{ -public: - chat_server(asio::io_context& io_context, - const tcp::endpoint& endpoint) - : io_context_(io_context), - acceptor_(io_context, endpoint) - { - start_accept(); - } - - void start_accept() - { - chat_session_ptr new_session(new chat_session(io_context_, room_)); - acceptor_.async_accept(new_session->socket(), - boost::bind(&chat_server::handle_accept, this, new_session, - asio::placeholders::error)); - } - - void handle_accept(chat_session_ptr session, - const asio::error_code& error) - { - if (!error) - { - session->start(); - } - - start_accept(); - } - -private: - asio::io_context& io_context_; - tcp::acceptor acceptor_; - chat_room room_; -}; - -typedef boost::shared_ptr<chat_server> chat_server_ptr; -typedef std::list<chat_server_ptr> chat_server_list; - -//---------------------------------------------------------------------- - -int main(int argc, char* argv[]) -{ - try - { - if (argc < 2) - { - std::cerr << "Usage: chat_server <port> [<port> ...]\n"; - return 1; - } - - asio::io_context io_context; - - chat_server_list servers; - for (int i = 1; i < argc; ++i) - { - using namespace std; // For atoi. - tcp::endpoint endpoint(tcp::v4(), atoi(argv[i])); - chat_server_ptr server(new chat_server(io_context, endpoint)); - servers.push_back(server); - } - - io_context.run(); - } - catch (std::exception& e) - { - std::cerr << "Exception: " << e.what() << "\n"; - } - - return 0; -} |