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Diffstat (limited to 'src/jaegertracing/thrift/contrib/zeromq/TZmqServer.cpp')
-rw-r--r-- | src/jaegertracing/thrift/contrib/zeromq/TZmqServer.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/contrib/zeromq/TZmqServer.cpp b/src/jaegertracing/thrift/contrib/zeromq/TZmqServer.cpp new file mode 100644 index 000000000..88660a330 --- /dev/null +++ b/src/jaegertracing/thrift/contrib/zeromq/TZmqServer.cpp @@ -0,0 +1,96 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +#include "TZmqServer.h" +#include <thrift/transport/TBufferTransports.h> +#include <boost/scoped_ptr.hpp> + +using apache::thrift::std::shared_ptr; +using apache::thrift::transport::TMemoryBuffer; +using apache::thrift::protocol::TProtocol; + +namespace apache { namespace thrift { namespace server { + +bool TZmqServer::serveOne(int recv_flags) { + zmq::message_t msg; + bool received = sock_.recv(&msg, recv_flags); + if (!received) { + return false; + } + shared_ptr<TMemoryBuffer> inputTransport(new TMemoryBuffer((uint8_t*)msg.data(), msg.size())); + shared_ptr<TMemoryBuffer> outputTransport(new TMemoryBuffer()); + shared_ptr<TProtocol> inputProtocol( + inputProtocolFactory_->getProtocol(inputTransport)); + shared_ptr<TProtocol> outputProtocol( + outputProtocolFactory_->getProtocol(outputTransport)); + shared_ptr<TMemoryBuffer> transport(new TMemoryBuffer); + + processor_->process(inputProtocol, outputProtocol, NULL); + + if (zmq_type_ == ZMQ_REP) { + uint8_t* buf; + uint32_t size; + outputTransport->getBuffer(&buf, &size); + msg.rebuild(size); + std::memcpy(msg.data(), buf, size); + (void)sock_.send(msg); + } + + return true; +} + + +void TZmqMultiServer::serveOne(long timeout) { + boost::scoped_ptr<zmq::pollitem_t> items(setupPoll()); + serveActive(items.get(), timeout); +} + + +void TZmqMultiServer::serveForever() { + boost::scoped_ptr<zmq::pollitem_t> items(setupPoll()); + while (true) { + serveActive(items.get(), -1); + } +} + + +zmq::pollitem_t* TZmqMultiServer::setupPoll() { + zmq::pollitem_t* items = new zmq::pollitem_t[servers_.size()]; + for (int i = 0; i < servers_.size(); ++i) { + items[i].socket = servers_[i]->getSocket(); + items[i].events = ZMQ_POLLIN; + } + return items; +} + +void TZmqMultiServer::serveActive(zmq::pollitem_t* items, long timeout) { + int rc = zmq::poll(items, servers_.size(), timeout); + if (rc == 0) { + return; + } + for (int i = 0; i < servers_.size(); ++i) { + if ((items[i].revents & ZMQ_POLLIN) != 0) { + // Should we pass ZMQ_NOBLOCK here to be safe? + servers_[i]->serveOne(); + } + } +} + + +}}} // apache::thrift::server |