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rippled/examples/broadcast_server_tls/broadcast_server_tls.cpp

149 lines
5.2 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 "../../src/endpoint.hpp"
#include "../../src/roles/server.hpp"
#include "../../src/sockets/ssl.hpp"
#include <cstring>
#include <set>
typedef websocketpp::endpoint<websocketpp::role::server,websocketpp::socket::plain> plain_endpoint_type;
typedef plain_endpoint_type::handler_ptr plain_handler_ptr;
typedef websocketpp::endpoint<websocketpp::role::server,websocketpp::socket::ssl> tls_endpoint_type;
typedef tls_endpoint_type::handler_ptr tls_handler_ptr;
template <typename endpoint_type>
class broadcast_server_handler : public endpoint_type::handler {
public:
typedef broadcast_server_handler<endpoint_type> type;
typedef typename endpoint_type::connection_ptr connection_ptr;
std::string get_password() const {
return "test";
}
boost::shared_ptr<boost::asio::ssl::context> on_tls_init() {
// create a tls context, init, and return.
boost::shared_ptr<boost::asio::ssl::context> context(new boost::asio::ssl::context(boost::asio::ssl::context::tlsv1));
try {
context->set_options(boost::asio::ssl::context::default_workarounds |
boost::asio::ssl::context::no_sslv2 |
boost::asio::ssl::context::single_dh_use);
context->set_password_callback(boost::bind(&type::get_password, this));
context->use_certificate_chain_file("../../src/ssl/server.pem");
context->use_private_key_file("../../src/ssl/server.pem", boost::asio::ssl::context::pem);
context->use_tmp_dh_file("../../src/ssl/dh512.pem");
} catch (std::exception& e) {
std::cout << e.what() << std::endl;
}
return context;
}
void validate(connection_ptr connection) {
//std::cout << "state: " << connection->get_state() << std::endl;
}
void on_open(connection_ptr connection) {
//std::cout << "connection opened" << std::endl;
m_connections.insert(connection);
}
void on_close(connection_ptr connection) {
//std::cout << "connection closed" << std::endl;
m_connections.erase(connection);
}
void on_message(connection_ptr connection,websocketpp::message::data_ptr msg) {
typename std::set<connection_ptr>::iterator it;
for (it = m_connections.begin(); it != m_connections.end(); it++) {
(*it)->send(msg->get_payload(),(msg->get_opcode() == websocketpp::frame::opcode::BINARY));
}
connection->recycle(msg);
}
void http(connection_ptr connection) {
std::stringstream foo;
foo << "<html><body><p>" << m_connections.size() << " current connections.</p></body></html>";
connection->set_body(foo.str());
}
void on_fail(connection_ptr connection) {
std::cout << "connection failed" << std::endl;
}
private:
std::set<connection_ptr> m_connections;
};
int main(int argc, char* argv[]) {
unsigned short port = 9002;
bool tls = false;
if (argc == 2) {
// TODO: input validation?
port = atoi(argv[1]);
}
if (argc == 3) {
// TODO: input validation?
port = atoi(argv[1]);
tls = !strcmp(argv[2],"-tls");
}
try {
if (tls) {
tls_handler_ptr h(new broadcast_server_handler<tls_endpoint_type>());
tls_endpoint_type e(h);
e.alog().unset_level(websocketpp::log::alevel::ALL);
e.elog().set_level(websocketpp::log::elevel::ALL);
std::cout << "Starting Secure WebSocket broadcast server on port " << port << std::endl;
e.listen(port);
} else {
plain_handler_ptr h(new broadcast_server_handler<plain_endpoint_type>());
plain_endpoint_type e(h);
e.alog().unset_level(websocketpp::log::alevel::ALL);
e.elog().set_level(websocketpp::log::elevel::ALL);
std::cout << "Starting WebSocket broadcast server on port " << port << std::endl;
e.listen(port);
}
} catch (std::string e) {
//std::cerr << "Exception: " << e.what() << std::endl;
}
return 0;
}