Files
rippled/src/websocket_server.cpp

119 lines
3.5 KiB
C++

/*
* Copyright (c) 2011, Peter Thorson. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the WebSocket++ Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "websocket_server.hpp"
#include <boost/bind.hpp>
#include <iostream>
using websocketpp::server;
server::server(boost::asio::io_service& io_service,
const tcp::endpoint& endpoint,
connection_handler_ptr defc)
: m_max_message_size(DEFAULT_MAX_MESSAGE_SIZE),
m_io_service(io_service),
m_acceptor(io_service, endpoint),
m_def_con_handler(defc) {}
void server::add_host(std::string host) {
m_hosts.insert(host);
}
void server::remove_host(std::string host) {
m_hosts.erase(host);
}
void server::set_max_message_size(uint64_t val) {
if (val > frame::PAYLOAD_64BIT_LIMIT) {
std::stringstream err;
err << "Invalid maximum message size: " << val;
// TODO: Figure out what the ideal error behavior for this method.
// Options:
// Throw exception
// Log error and set value to maximum allowed
// Log error and leave value at whatever it was before
throw server_error(err.str());
}
m_max_message_size = val;
}
bool server::validate_host(std::string host) {
if (m_hosts.find(host) == m_hosts.end()) {
return false;
}
return true;
}
bool server::validate_message_size(uint64_t val) {
if (val > m_max_message_size) {
return false;
}
return true;
}
void server::error_log(std::string msg) {
std::cerr << "[Error Log] " << msg << std::endl;
}
void server::access_log(std::string msg) {
std::cout << "[Access Log] " << msg << std::endl;
}
void server::start_accept() {
session_ptr new_ws(new session(shared_from_this(),
m_io_service,
m_def_con_handler));
m_acceptor.async_accept(
new_ws->socket(),
boost::bind(
&server::handle_accept,
this,
new_ws,
boost::asio::placeholders::error
)
);
}
void server::handle_accept(session_ptr session,
const boost::system::error_code& error) {
if (!error) {
session->start();
} else {
std::stringstream err;
err << "Error accepting socket connection: " << error;
error_log(err.str());
throw server_error(err.str());
}
this->start_accept();
}