mirror of https://github.com/PurpleI2P/i2pd.git
I2P: End-to-End encrypted and anonymous Internet
https://i2pd.website/
195 lines
4.5 KiB
195 lines
4.5 KiB
#ifdef WITH_EVENTS |
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#include "Websocket.h" |
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#include "Log.h" |
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#include <set> |
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#include <functional> |
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#include <websocketpp/config/asio_no_tls.hpp> |
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#include <websocketpp/server.hpp> |
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#include <boost/property_tree/ini_parser.hpp> |
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#define GCC47_BOOST149 ((BOOST_VERSION == 104900) && (__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) |
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#if !GCC47_BOOST149 |
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#include <boost/property_tree/json_parser.hpp> |
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#endif |
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#include <stdexcept> |
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namespace i2p |
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{ |
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namespace event |
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{ |
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typedef websocketpp::server<websocketpp::config::asio> ServerImpl; |
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typedef websocketpp::connection_hdl ServerConn; |
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class WebsocketServerImpl : public EventListener |
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{ |
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private: |
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typedef ServerImpl::message_ptr MessagePtr; |
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public: |
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WebsocketServerImpl(const std::string & addr, int port) : |
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m_run(false), |
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m_ws_thread(nullptr), |
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m_ev_thread(nullptr), |
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m_WebsocketTicker(m_Service) |
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{ |
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m_server.init_asio(); |
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m_server.set_open_handler(std::bind(&WebsocketServerImpl::ConnOpened, this, std::placeholders::_1)); |
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m_server.set_close_handler(std::bind(&WebsocketServerImpl::ConnClosed, this, std::placeholders::_1)); |
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m_server.set_message_handler(std::bind(&WebsocketServerImpl::OnConnMessage, this, std::placeholders::_1, std::placeholders::_2)); |
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m_server.listen(boost::asio::ip::address::from_string(addr), port); |
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} |
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~WebsocketServerImpl() |
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{ |
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} |
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void Start() { |
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m_run = true; |
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m_server.start_accept(); |
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m_ws_thread = new std::thread([&] () { |
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while(m_run) { |
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try { |
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m_server.run(); |
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} catch (std::exception & e ) { |
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LogPrint(eLogError, "Websocket server: ", e.what()); |
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} |
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} |
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}); |
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m_ev_thread = new std::thread([&] () { |
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while(m_run) { |
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try { |
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m_Service.run(); |
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break; |
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} catch (std::exception & e ) { |
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LogPrint(eLogError, "Websocket service: ", e.what()); |
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} |
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} |
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}); |
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ScheduleTick(); |
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} |
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void Stop() { |
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m_run = false; |
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m_Service.stop(); |
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m_server.stop(); |
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if(m_ev_thread) { |
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m_ev_thread->join(); |
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delete m_ev_thread; |
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} |
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m_ev_thread = nullptr; |
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if(m_ws_thread) { |
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m_ws_thread->join(); |
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delete m_ws_thread; |
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} |
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m_ws_thread = nullptr; |
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} |
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void ConnOpened(ServerConn c) |
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{ |
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std::lock_guard<std::mutex> lock(m_connsMutex); |
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m_conns.insert(c); |
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} |
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void ConnClosed(ServerConn c) |
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{ |
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std::lock_guard<std::mutex> lock(m_connsMutex); |
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m_conns.erase(c); |
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} |
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void OnConnMessage(ServerConn conn, ServerImpl::message_ptr msg) |
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{ |
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(void) conn; |
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(void) msg; |
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} |
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void HandleTick(const boost::system::error_code & ec) |
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{ |
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if(ec != boost::asio::error::operation_aborted) |
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LogPrint(eLogError, "Websocket ticker: ", ec.message()); |
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// pump collected events to us |
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i2p::event::core.PumpCollected(this); |
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ScheduleTick(); |
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} |
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void ScheduleTick() |
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{ |
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LogPrint(eLogDebug, "Websocket schedule tick"); |
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boost::posix_time::seconds dlt(1); |
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m_WebsocketTicker.expires_from_now(dlt); |
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m_WebsocketTicker.async_wait(std::bind(&WebsocketServerImpl::HandleTick, this, std::placeholders::_1)); |
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} |
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/** @brief called from m_ev_thread */ |
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void HandlePumpEvent(const EventType & ev, const uint64_t & val) |
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{ |
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EventType e; |
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for (const auto & i : ev) |
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e[i.first] = i.second; |
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e["number"] = std::to_string(val); |
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HandleEvent(e); |
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} |
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/** @brief called from m_ws_thread */ |
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void HandleEvent(const EventType & ev) |
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{ |
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std::lock_guard<std::mutex> lock(m_connsMutex); |
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boost::property_tree::ptree event; |
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for (const auto & item : ev) { |
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event.put(item.first, item.second); |
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} |
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std::ostringstream ss; |
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write_json(ss, event); |
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std::string s = ss.str(); |
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ConnList::iterator it; |
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for (it = m_conns.begin(); it != m_conns.end(); ++it) { |
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ServerImpl::connection_ptr con = m_server.get_con_from_hdl(*it); |
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con->send(s); |
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} |
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} |
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private: |
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typedef std::set<ServerConn, std::owner_less<ServerConn> > ConnList; |
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bool m_run; |
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std::thread * m_ws_thread; |
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std::thread * m_ev_thread; |
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std::mutex m_connsMutex; |
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ConnList m_conns; |
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ServerImpl m_server; |
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boost::asio::io_service m_Service; |
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boost::asio::deadline_timer m_WebsocketTicker; |
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}; |
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WebsocketServer::WebsocketServer(const std::string & addr, int port) : m_impl(new WebsocketServerImpl(addr, port)) {} |
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WebsocketServer::~WebsocketServer() |
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{ |
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delete m_impl; |
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} |
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void WebsocketServer::Start() |
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{ |
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m_impl->Start(); |
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} |
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void WebsocketServer::Stop() |
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{ |
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m_impl->Stop(); |
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} |
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EventListener * WebsocketServer::ToListener() |
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{ |
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return m_impl; |
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} |
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} |
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} |
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#endif
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