void session::on_http2_connect_server(const boost::system::error_code& error, tcp::resolver::iterator endpoint_iterator) { if (error) { BOOST_LOG_TRIVIAL(debug) << "[" << session_id << "] " << error.message(); BOOST_LOG_TRIVIAL(error) << "[" << session_id << "] open " << endpoint_iterator->host_name() << " fail"; stop(); return; } BOOST_LOG_TRIVIAL(debug) << "[" << session_id << "] open " << endpoint_iterator->host_name(); std::string ack = "HTTP/1.1 200 Connection Established\r\n\r\n"; write_to_client(ack.c_str(), ack.size(), true); boost::asio::streambuf::mutable_buffers_type buf = read_client_buf.prepare(SOCKET_RECV_BUF_LEN); client_socket.async_read_some(buf, strand_.wrap( boost::bind(&session::on_read_client_data, shared_from_this(), boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred ) ) ); server_socket.async_read_some(boost::asio::buffer(server_buf, SOCKET_RECV_BUF_LEN), strand_.wrap(boost::bind(&session::on_read_server_data, shared_from_this(), boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred) ) ); }
void socks4_stream::name_lookup(asio::error_code const& e, tcp::resolver::iterator i , boost::shared_ptr<handler_type> h) { if (e) { (*h)(e); asio::error_code ec; close(ec); return; } // SOCKS4 doesn't support IPv6 addresses while (i != tcp::resolver::iterator() && i->endpoint().address().is_v6()) ++i; if (i == tcp::resolver::iterator()) { asio::error_code ec = asio::error::operation_not_supported; (*h)(ec); close(ec); return; } m_sock.async_connect(i->endpoint(), boost::bind( &socks4_stream::connected, this, _1, h)); }
void udp_socket::on_name_lookup(error_code const& e, tcp::resolver::iterator i) { if (e == asio::error::operation_aborted) return; CHECK_MAGIC; if (e) { #ifndef BOOST_NO_EXCEPTIONS try { #endif m_callback(e, udp::endpoint(), 0, 0); #ifndef BOOST_NO_EXCEPTIONS } catch(std::exception&) {} #endif return; } mutex_t::scoped_lock l(m_mutex); m_proxy_addr.address(i->endpoint().address()); m_proxy_addr.port(i->endpoint().port()); l.unlock(); // on_connect may be called from within this thread m_cc.enqueue(boost::bind(&udp_socket::on_connect, this, _1) , boost::bind(&udp_socket::on_timeout, this), seconds(10)); }
void udp_socket::on_name_lookup(error_code const& e, tcp::resolver::iterator i) { if (e) return; m_proxy_addr.address(i->endpoint().address()); m_proxy_addr.port(i->endpoint().port()); m_cc.enqueue(boost::bind(&udp_socket::on_connect, this, _1) , boost::bind(&udp_socket::on_timeout, this), seconds(10)); }
void udp_socket::on_name_lookup(error_code const& e, tcp::resolver::iterator i) { #if defined TORRENT_DEBUG || TORRENT_RELEASE_ASSERTS TORRENT_ASSERT(m_outstanding_resolve > 0); --m_outstanding_resolve; #endif TORRENT_ASSERT(m_outstanding_ops > 0); --m_outstanding_ops; TORRENT_ASSERT(m_outstanding_ops == m_outstanding_connect + m_outstanding_timeout + m_outstanding_resolve + m_outstanding_connect_queue + m_outstanding_socks); if (m_abort) return; CHECK_MAGIC; if (e == asio::error::operation_aborted) return; TORRENT_ASSERT(is_single_thread()); if (e) { call_handler(e, udp::endpoint(), 0, 0); drain_queue(); return; } m_proxy_addr.address(i->endpoint().address()); m_proxy_addr.port(i->endpoint().port()); // on_connect may be called from within this thread // the semantics for on_connect and on_timeout is // a bit complicated. See comments in connection_queue.hpp // for more details. This semantic determines how and // when m_outstanding_ops may be decremented // To simplyfy this, it's probably a good idea to // merge on_connect and on_timeout to a single function // on_timeout may be called before on_connected // so increment the outstanding ops // it may also not be called in case we call // connection_queue::done first, so be sure to // decrement if that happens m_outstanding_ops += 2; #if defined TORRENT_DEBUG || TORRENT_RELEASE_ASSERTS ++m_outstanding_timeout; ++m_outstanding_connect_queue; #endif m_cc.enqueue(boost::bind(&udp_socket::on_connect, this, _1) , boost::bind(&udp_socket::on_timeout, this), seconds(10)); }
void EthStratumClient::connect_handler(const boost::system::error_code& ec, tcp::resolver::iterator i) { dev::setThreadName("stratum"); if (!ec) { m_connected = true; cnote << "Connected to stratum server " << i->host_name() << ":" << p_active->port; if (!p_farm->isMining()) { cnote << "Starting farm"; if (m_minerType == MinerType::CPU) p_farm->start("cpu"); else if (m_minerType == MinerType::CL) p_farm->start("opencl"); else if (m_minerType == MinerType::CUDA) p_farm->start("cuda"); } std::ostream os(&m_requestBuffer); os << "{\"id\": 1, \"method\": \"mining.subscribe\", \"params\": []}\n"; async_write(m_socket, m_requestBuffer, boost::bind(&EthStratumClient::handleResponse, this, boost::asio::placeholders::error)); } else { cwarn << "Could not connect to stratum server " << p_active->host << ":" << p_active->port << ", " << ec.message(); reconnect(); } }
bool start_tcp_connect(tcp::resolver::iterator endpoint_iter) { bool success= true; if (endpoint_iter != tcp::resolver::iterator()) { CLIENT_LOG_INFO("ClientNetworkManager::start_tcp_connect") << "Connecting to: " << endpoint_iter->endpoint() << "..." << std::endl; // Start the asynchronous connect operation. m_tcp_socket.async_connect( endpoint_iter->endpoint(), boost::bind(&ClientNetworkManagerImpl::handle_tcp_connect, this, _1, endpoint_iter)); } else { // There are no more endpoints to try. Shut down the client. stop(); success= false; if (m_netEventListener) { m_netEventListener->handle_server_connection_open_failed(boost::asio::error::host_unreachable); } } return success; }
void http_stream::name_lookup(error_code const& e, tcp::resolver::iterator i , boost::shared_ptr<handler_type> h) { if (handle_error(e, h)) return; m_sock.async_connect(i->endpoint(), boost::bind( &http_stream::connected, this, _1, h)); }
void http_stream::name_lookup(error_code const& e, tcp::resolver::iterator i , handler_type& h) { if (handle_error(e, h)) return; m_sock.async_connect(i->endpoint(), std::bind( &http_stream::connected, this, _1, std::move(h))); }
void websocket::handle_resolve(url target, boost::shared_ptr<tcp::resolver> reslv, error_code const& err, tcp::resolver::iterator endpoint_iterator) { if ( check_err(err, "resolve") ) { tcp_conn_->async_connect(endpoint_iterator->endpoint(), boost::bind(&websocket::handle_connect, this, target, boost::asio::placeholders::error)); } }
void start_connect(tcp::resolver::iterator endpoint_iter) { if (endpoint_iter != tcp::resolver::iterator()) { std::cout << "Trying " << endpoint_iter->endpoint() << "...\n"; // Set a deadline for the connect operation. deadline_.expires_from_now(boost::posix_time::seconds(60)); // Start the asynchronous connect operation. socket_.async_connect(endpoint_iter->endpoint(), boost::bind(&client::handle_connect, this, _1, endpoint_iter)); } else { // There are no more endpoints to try. Shut down the client. stop(); } }
void handle_tcp_connect( const boost::system::error_code& ec, tcp::resolver::iterator endpoint_iter) { if (m_connection_stopped) return; // The async_connect() function automatically opens the socket at the start // of the asynchronous operation. If the socket is closed at this time then // the timeout handler must have run first. if (!m_tcp_socket.is_open()) { CLIENT_LOG_ERROR("ClientNetworkManager::handle_tcp_connect") << "TCP Connect timed out " << std::endl; if (m_netEventListener) { m_netEventListener->handle_server_connection_open_failed(boost::asio::error::timed_out); } // Try the next available endpoint. start_tcp_connect(++endpoint_iter); } // Check if the connect operation failed before the deadline expired. else if (ec) { CLIENT_LOG_ERROR("ClientNetworkManager::handle_tcp_connect") << "TCP Connect error: " << ec.message() << std::endl; if (m_netEventListener) { m_netEventListener->handle_server_connection_open_failed(ec); } // We need to close the socket used in the previous connection attempt // before starting a new one. m_tcp_socket.close(); // Try the next available endpoint. start_tcp_connect(++endpoint_iter); } // Otherwise we have successfully established a connection. else { tcp::endpoint tcp_endpoint= endpoint_iter->endpoint(); CLIENT_LOG_INFO("ClientNetworkManager::handle_tcp_connect") << "Connected to " << tcp_endpoint << std::endl; // Create a corresponding endpoint udp data will be sent to m_udp_server_endpoint= udp::endpoint(tcp_endpoint.address(), tcp_endpoint.port()); // Start listening for any incoming responses (TCP messages) // NOTE: Responses that come independent of a request are a "notification" start_tcp_read_response_header(); } }
void http_stream::name_lookup(asio::error_code const& e, tcp::resolver::iterator i , boost::shared_ptr<handler_type> h) { if (e || i == tcp::resolver::iterator()) { (*h)(e); close(); return; } m_sock.async_connect(i->endpoint(), boost::bind( &http_stream::connected, this, _1, h)); }
void i2p_stream::do_connect(error_code const& e, tcp::resolver::iterator i , handler_type h) { TORRENT_ASSERT(m_magic == 0x1337); if (e || i == tcp::resolver::iterator()) { h(e); error_code ec; close(ec); return; } ADD_OUTSTANDING_ASYNC("i2p_stream::connected"); m_sock.async_connect(i->endpoint(), std::bind( &i2p_stream::connected, this, _1, std::move(h))); }
void i2p_stream::do_connect(error_code const& e, tcp::resolver::iterator i , boost::shared_ptr<handler_type> h) { TORRENT_ASSERT(m_magic == 0x1337); if (e || i == tcp::resolver::iterator()) { (*h)(e); error_code ec; close(ec); return; } #if defined TORRENT_ASIO_DEBUGGING add_outstanding_async("i2p_stream::connected"); #endif m_sock.async_connect(i->endpoint(), boost::bind( &i2p_stream::connected, this, _1, h)); }
void handle_connect(const asio::error_code& ec, tcp::resolver::iterator endpoint_iter) { if (stopped_) return; // The async_connect() function automatically opens the socket at the start // of the asynchronous operation. If the socket is closed at this time then // the timeout handler must have run first. if (!socket_.is_open()) { std::cout << "Connect timed out\n"; // Try the next available endpoint. start_connect(++endpoint_iter); } // Check if the connect operation failed before the deadline expired. else if (ec) { std::cout << "Connect error: " << ec.message() << "\n"; // We need to close the socket used in the previous connection attempt // before starting a new one. socket_.close(); // Try the next available endpoint. start_connect(++endpoint_iter); } // Otherwise we have successfully established a connection. else { std::cout << "Connected to " << endpoint_iter->endpoint() << "\n"; // Start the input actor. start_read(); // Start the heartbeat actor. start_write(); } }
void resolver::on_lookup(error_code const& ec, tcp::resolver::iterator i , resolver_interface::callback_t h, std::string hostname) { #if defined TORRENT_ASIO_DEBUGGING complete_async("resolver::on_lookup"); #endif if (ec) { std::vector<address> empty; h(ec, empty); return; } dns_cache_entry& ce = m_cache[hostname]; time_point now = aux::time_now(); ce.last_seen = now; ce.addresses.clear(); while (i != tcp::resolver::iterator()) { ce.addresses.push_back(i->endpoint().address()); ++i; } h(ec, ce.addresses); // if m_cache grows too big, weed out the // oldest entries if (m_cache.size() > m_max_size) { cache_t::iterator oldest = m_cache.begin(); for (cache_t::iterator i = m_cache.begin(); i != m_cache.end(); ++i) { if (i->second.last_seen < oldest->second.last_seen) oldest = i; } // remove the oldest entry m_cache.erase(oldest); } }
void WiFiRadioSystem::handleConnect(const boost::system::error_code& error, tcp::resolver::iterator endpoint_iter, Connection* connection){ if (!connection->socket().is_open()) { std::cout << "Connect timed out\n"; } else if (error) { std::cout << "Connect error: " << error.message() << "\n"; connection->socket().close(); } // Otherwise we have successfully established a connection. else { std::cout << "Connected to " << endpoint_iter->endpoint() << "\n"; // Start reading the header std::cout << "Start reading..." << std::endl; connection_manager.start(connection); //start_read_header(); } }
void EthStratumClient::connect_handler(const boost::system::error_code& ec, tcp::resolver::iterator i) { dev::setThreadName("stratum"); if (!ec) { m_connected = true; cnote << "Connected to stratum server " << i->host_name() << ":" << p_active->port; if (!p_farm->isMining()) { cnote << "Starting farm"; if (m_minerType == MinerType::CPU) p_farm->start("cpu", false); else if (m_minerType == MinerType::CL) p_farm->start("opencl", false); else if (m_minerType == MinerType::CUDA) p_farm->start("cuda", false); else if (m_minerType == MinerType::Mixed) { p_farm->start("cuda", false); p_farm->start("opencl", true); } } std::ostream os(&m_requestBuffer); string user; size_t p; switch (m_protocol) { case STRATUM_PROTOCOL_STRATUM: os << "{\"id\": 1, \"method\": \"mining.subscribe\", \"params\": []}\n"; break; case STRATUM_PROTOCOL_ETHPROXY: p = p_active->user.find_first_of("."); user = p_active->user.substr(0, p); if (p + 1 <= p_active->user.length()) m_worker = p_active->user.substr(p + 1); else m_worker = ""; if (m_email.empty()) { os << "{\"id\": 1, \"worker\":\"" << m_worker << "\", \"method\": \"eth_submitLogin\", \"params\": [\"" << user << "\"]}\n"; } else { os << "{\"id\": 1, \"worker\":\"" << m_worker << "\", \"method\": \"eth_submitLogin\", \"params\": [\"" << user << "\", \"" << m_email << "\"]}\n"; } break; case STRATUM_PROTOCOL_ETHEREUMSTRATUM: os << "{\"id\": 1, \"method\": \"mining.subscribe\", \"params\": [\"ethminer/" << ETH_PROJECT_VERSION << "\",\"EthereumStratum/1.0.0\"]}\n"; break; } async_write(m_socket, m_requestBuffer, boost::bind(&EthStratumClient::handleResponse, this, boost::asio::placeholders::error)); } else { cwarn << "Could not connect to stratum server " << p_active->host << ":" << p_active->port << ", " << ec.message(); reconnect(); } }