I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
 
 
 
 
 

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#include "Websocket.h"
#include "Log.h"
#include <set>
#include <websocketpp/config/asio_no_tls.hpp>
#include <websocketpp/server.hpp>
#include <boost/property_tree/ini_parser.hpp>
#define GCC47_BOOST149 ((BOOST_VERSION == 104900) && (__GNUC__ == 4) && (__GNUC_MINOR__ >= 7))
#if !GCC47_BOOST149
#include <boost/property_tree/json_parser.hpp>
#endif
#include <stdexcept>
namespace i2p
{
namespace event
{
typedef websocketpp::server<websocketpp::config::asio> ServerImpl;
typedef websocketpp::connection_hdl ServerConn;
class WebsocketServerImpl : public EventListener
{
private:
typedef ServerImpl::message_ptr MessagePtr;
public:
WebsocketServerImpl(const std::string & addr, int port) : m_run(false), m_thread(nullptr)
{
m_server.init_asio();
m_server.set_open_handler(std::bind(&WebsocketServerImpl::ConnOpened, this, std::placeholders::_1));
m_server.set_close_handler(std::bind(&WebsocketServerImpl::ConnClosed, this, std::placeholders::_1));
m_server.set_message_handler(std::bind(&WebsocketServerImpl::OnConnMessage, this, std::placeholders::_1, std::placeholders::_2));
m_server.listen(boost::asio::ip::address::from_string(addr), port);
}
~WebsocketServerImpl()
{
}
void Start() {
m_run = true;
m_server.start_accept();
m_thread = new std::thread([&] () {
while(m_run) {
try {
m_server.run();
} catch (std::exception & e ) {
LogPrint(eLogError, "Websocket server: ", e.what());
}
}
});
}
void Stop() {
m_run = false;
m_server.stop();
if(m_thread) {
m_thread->join();
delete m_thread;
}
m_thread = nullptr;
}
void ConnOpened(ServerConn c)
{
std::lock_guard<std::mutex> lock(m_connsMutex);
m_conns.insert(c);
}
void ConnClosed(ServerConn c)
{
std::lock_guard<std::mutex> lock(m_connsMutex);
m_conns.erase(c);
}
void OnConnMessage(ServerConn conn, ServerImpl::message_ptr msg)
{
(void) conn;
(void) msg;
}
void HandleEvent(const EventType & ev)
{
std::lock_guard<std::mutex> lock(m_connsMutex);
LogPrint(eLogDebug, "websocket event");
boost::property_tree::ptree event;
for (const auto & item : ev) {
event.put(item.first, item.second);
}
std::ostringstream ss;
write_json(ss, event);
std::string s = ss.str();
ConnList::iterator it;
for (it = m_conns.begin(); it != m_conns.end(); ++it) {
ServerImpl::connection_ptr con = m_server.get_con_from_hdl(*it);
con->send(s);
}
}
private:
typedef std::set<ServerConn, std::owner_less<ServerConn> > ConnList;
bool m_run;
std::thread * m_thread;
std::mutex m_connsMutex;
ConnList m_conns;
ServerImpl m_server;
};
WebsocketServer::WebsocketServer(const std::string & addr, int port) : m_impl(new WebsocketServerImpl(addr, port)) {}
WebsocketServer::~WebsocketServer()
{
delete m_impl;
}
void WebsocketServer::Start()
{
m_impl->Start();
}
void WebsocketServer::Stop()
{
m_impl->Stop();
}
EventListener * WebsocketServer::ToListener()
{
return m_impl;
}
}
}