84 lines
3.1 KiB
C++
84 lines
3.1 KiB
C++
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#include "WebsocketSession.h"
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#include <iostream>
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WebSocketSession::WebSocketSession(boost::asio::ip::tcp::socket &&socket, std::shared_ptr<SharedState> const &state)
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: m_ws(std::move(socket)), m_state(state) {}
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WebSocketSession::~WebSocketSession() {
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// Remove this session from the list of active sessions
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m_state->leave(this);
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}
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void WebSocketSession::onAccept(boost::beast::error_code ec) {
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// Handle the error, if any
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if (ec) {
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if (ec == boost::asio::error::operation_aborted || ec == boost::beast::websocket::error::closed) return;
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std::cerr << "accept: " << ec.message() << "\n";
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return;
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}
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// Add this session to the list of active sessions
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m_state->join(this);
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// Read a message
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m_ws.async_read(m_buffer, boost::beast::bind_front_handler(&WebSocketSession::on_read, shared_from_this()));
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}
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void WebSocketSession::on_read(boost::beast::error_code ec, std::size_t) {
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// Handle the error, if any
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if (ec) {
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// Don't report these
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if (ec == boost::asio::error::operation_aborted || ec == boost::beast::websocket::error::closed) return;
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LOG(error) << "read: " << ec.message();
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return;
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}
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LOG(info) << boost::beast::buffers_to_string(m_buffer.data());
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// Send to all connections
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m_state->send(boost::beast::buffers_to_string(m_buffer.data()));
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// Clear the buffer
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m_buffer.consume(m_buffer.size());
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// Read another message
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m_ws.async_read(m_buffer, boost::beast::bind_front_handler(&WebSocketSession::on_read, shared_from_this()));
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}
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void WebSocketSession::send(std::shared_ptr<std::string const> const &ss) {
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// Post our work to the strand, this ensures
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// that the members of `this` will not be
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// accessed concurrently.
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m_ws.text();
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boost::asio::post(m_ws.get_executor(),
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boost::beast::bind_front_handler(&WebSocketSession::onSend, shared_from_this(), ss));
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}
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void WebSocketSession::onSend(std::shared_ptr<std::string const> const &ss) {
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// Always add to queue
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m_queue.push_back(ss);
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// Are we already writing?
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if (m_queue.size() > 1) return;
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// We are not currently writing, so send this immediately
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m_ws.async_write(boost::asio::buffer(*m_queue.front()),
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boost::beast::bind_front_handler(&WebSocketSession::on_write, shared_from_this()));
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}
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void WebSocketSession::on_write(boost::beast::error_code ec, std::size_t) {
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// Handle the error, if any
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if (ec) {
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// Don't report these
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if (ec == boost::asio::error::operation_aborted || ec == boost::beast::websocket::error::closed) return;
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std::cerr << "write: " << ec.message() << "\n";
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return;
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}
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// Remove the string from the queue
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m_queue.erase(m_queue.begin());
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// Send the next message if any
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if (!m_queue.empty())
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m_ws.async_write(boost::asio::buffer(*m_queue.front()),
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boost::beast::bind_front_handler(&WebSocketSession::on_write, shared_from_this()));
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}
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