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145 lines
3.9 KiB
C++
145 lines
3.9 KiB
C++
// Copyright (c) 2016-2019, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "zmq_server.h"
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namespace cryptonote
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{
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namespace rpc
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{
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ZmqServer::ZmqServer(RpcHandler& h) :
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handler(h),
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stop_signal(false),
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running(false),
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context(DEFAULT_NUM_ZMQ_THREADS) // TODO: make this configurable
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{
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}
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ZmqServer::~ZmqServer()
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{
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}
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void ZmqServer::serve()
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{
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while (1)
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{
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try
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{
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zmq::message_t message;
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if (!rep_socket)
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{
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throw std::runtime_error("ZMQ RPC server reply socket is null");
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}
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while (rep_socket->recv(&message))
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{
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std::string message_string(reinterpret_cast<const char *>(message.data()), message.size());
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MDEBUG(std::string("Received RPC request: \"") + message_string + "\"");
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std::string response = handler.handle(message_string);
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zmq::message_t reply(response.size());
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memcpy((void *) reply.data(), response.c_str(), response.size());
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rep_socket->send(reply);
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MDEBUG(std::string("Sent RPC reply: \"") + response + "\"");
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}
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}
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catch (const boost::thread_interrupted& e)
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{
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MDEBUG("ZMQ Server thread interrupted.");
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}
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catch (const zmq::error_t& e)
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{
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MERROR(std::string("ZMQ error: ") + e.what());
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}
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boost::this_thread::interruption_point();
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}
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}
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bool ZmqServer::addIPCSocket(std::string address, std::string port)
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{
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MERROR("ZmqServer::addIPCSocket not yet implemented!");
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return false;
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}
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bool ZmqServer::addTCPSocket(std::string address, std::string port)
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{
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try
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{
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std::string addr_prefix("tcp://");
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rep_socket.reset(new zmq::socket_t(context, ZMQ_REP));
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rep_socket->setsockopt(ZMQ_RCVTIMEO, &DEFAULT_RPC_RECV_TIMEOUT_MS, sizeof(DEFAULT_RPC_RECV_TIMEOUT_MS));
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if (address.empty())
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address = "*";
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if (port.empty())
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port = "*";
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std::string bind_address = addr_prefix + address + std::string(":") + port;
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rep_socket->bind(bind_address.c_str());
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}
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catch (const std::exception& e)
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{
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MERROR(std::string("Error creating ZMQ Socket: ") + e.what());
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return false;
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}
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return true;
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}
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void ZmqServer::run()
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{
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running = true;
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run_thread = boost::thread(boost::bind(&ZmqServer::serve, this));
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}
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void ZmqServer::stop()
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{
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if (!running) return;
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stop_signal = true;
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run_thread.interrupt();
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run_thread.join();
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running = false;
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return;
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}
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} // namespace cryptonote
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} // namespace rpc
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