Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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