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