ceph/src/jaegertracing/thrift/contrib/zeromq/TZmqClient.cpp

   1 /*
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements. See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership. The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License. You may obtain a copy of the License at
   9  *
  10  *   http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing,
  13  * software distributed under the License is distributed on an
  14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  15  * KIND, either express or implied. See the License for the
  16  * specific language governing permissions and limitations
  17  * under the License.
  18  */
  19
  20 #include "TZmqClient.h"
  21 #include <cstring>
  22
  23 namespace apache { namespace thrift { namespace transport {
  24
  25 uint32_t TZmqClient::read_virt(uint8_t* buf, uint32_t len) {
  26   if (rbuf_.available_read() == 0) {
  27     (void)sock_.recv(&msg_);
  28     rbuf_.resetBuffer((uint8_t*)msg_.data(), msg_.size());
  29   }
  30   return rbuf_.read(buf, len);
  31 }
  32
  33 void TZmqClient::write_virt(const uint8_t* buf, uint32_t len) {
  34   return wbuf_.write(buf, len);
  35 }
  36
  37 uint32_t TZmqClient::writeEnd() {
  38   uint8_t* buf;
  39   uint32_t size;
  40   wbuf_.getBuffer(&buf, &size);
  41   zmq::message_t msg(size);
  42   std::memcpy(msg.data(), buf, size);
  43   (void)sock_.send(msg);
  44   wbuf_.resetBuffer(true);
  45   return size;
  46 }
  47
  48 }}} // apache::thrift::transport