ceph/src/jaegertracing/thrift/lib/cpp/src/thrift/qt/TQIODeviceTransport.h

   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 #ifndef _THRIFT_ASYNC_TQIODEVICE_TRANSPORT_H_
  21 #define _THRIFT_ASYNC_TQIODEVICE_TRANSPORT_H_ 1
  22
  23 #include <memory>
  24
  25 #include <thrift/transport/TVirtualTransport.h>
  26
  27 class QIODevice;
  28
  29 namespace apache {
  30 namespace thrift {
  31 namespace transport {
  32
  33 /**
  34  *  Transport that operates on a QIODevice (socket, file, etc).
  35  */
  36 class TQIODeviceTransport
  37     : public apache::thrift::transport::TVirtualTransport<TQIODeviceTransport> {
  38 public:
  39   explicit TQIODeviceTransport(std::shared_ptr<QIODevice> dev);
  40   ~TQIODeviceTransport() override;
  41
  42   void open() override;
  43   bool isOpen() const override;
  44   bool peek() override;
  45   void close() override;
  46
  47   uint32_t readAll(uint8_t* buf, uint32_t len);
  48   uint32_t read(uint8_t* buf, uint32_t len);
  49
  50   void write(const uint8_t* buf, uint32_t len);
  51   uint32_t write_partial(const uint8_t* buf, uint32_t len);
  52
  53   void flush() override;
  54
  55   uint8_t* borrow(uint8_t* buf, uint32_t* len);
  56   void consume(uint32_t len);
  57
  58 private:
  59   TQIODeviceTransport(const TQIODeviceTransport&);
  60   TQIODeviceTransport& operator=(const TQIODeviceTransport&);
  61
  62   std::shared_ptr<QIODevice> dev_;
  63 };
  64 }
  65 }
  66 } // apache::thrift::transport
  67
  68 #endif // #ifndef _THRIFT_ASYNC_TQIODEVICE_TRANSPORT_H_