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      1 /*
      2  *  Copyright 2005 The WebRTC Project Authors. All rights reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef WEBRTC_BASE_SOCKETSTREAM_H_
     12 #define WEBRTC_BASE_SOCKETSTREAM_H_
     13 
     14 #include "webrtc/base/asyncsocket.h"
     15 #include "webrtc/base/common.h"
     16 #include "webrtc/base/stream.h"
     17 
     18 namespace rtc {
     19 
     20 ///////////////////////////////////////////////////////////////////////////////
     21 
     22 class SocketStream : public StreamInterface, public sigslot::has_slots<> {
     23  public:
     24   explicit SocketStream(AsyncSocket* socket);
     25   ~SocketStream() override;
     26 
     27   void Attach(AsyncSocket* socket);
     28   AsyncSocket* Detach();
     29 
     30   AsyncSocket* GetSocket() { return socket_; }
     31 
     32   StreamState GetState() const override;
     33 
     34   StreamResult Read(void* buffer,
     35                     size_t buffer_len,
     36                     size_t* read,
     37                     int* error) override;
     38 
     39   StreamResult Write(const void* data,
     40                      size_t data_len,
     41                      size_t* written,
     42                      int* error) override;
     43 
     44   void Close() override;
     45 
     46  private:
     47   void OnConnectEvent(AsyncSocket* socket);
     48   void OnReadEvent(AsyncSocket* socket);
     49   void OnWriteEvent(AsyncSocket* socket);
     50   void OnCloseEvent(AsyncSocket* socket, int err);
     51 
     52   AsyncSocket* socket_;
     53 
     54   RTC_DISALLOW_COPY_AND_ASSIGN(SocketStream);
     55 };
     56 
     57 ///////////////////////////////////////////////////////////////////////////////
     58 
     59 }  // namespace rtc
     60 
     61 #endif  // WEBRTC_BASE_SOCKETSTREAM_H_
     62