xref: /aosp_15_r20/external/webrtc/rtc_base/socket_stream.h (revision d9f758449e529ab9291ac668be2861e7a55c2422)
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 RTC_BASE_SOCKET_STREAM_H_
12 #define RTC_BASE_SOCKET_STREAM_H_
13 
14 #include <stddef.h>
15 
16 #include "rtc_base/socket.h"
17 #include "rtc_base/stream.h"
18 #include "rtc_base/third_party/sigslot/sigslot.h"
19 
20 namespace rtc {
21 
22 ///////////////////////////////////////////////////////////////////////////////
23 
24 class SocketStream : public StreamInterface, public sigslot::has_slots<> {
25  public:
26   explicit SocketStream(Socket* socket);
27   ~SocketStream() override;
28 
29   SocketStream(const SocketStream&) = delete;
30   SocketStream& operator=(const SocketStream&) = delete;
31 
32   void Attach(Socket* socket);
33   Socket* Detach();
34 
GetSocket()35   Socket* GetSocket() { return socket_; }
36 
37   StreamState GetState() const override;
38 
39   StreamResult Read(rtc::ArrayView<uint8_t> buffer,
40                     size_t& read,
41                     int& error) override;
42 
43   StreamResult Write(rtc::ArrayView<const uint8_t> data,
44                      size_t& written,
45                      int& error) override;
46 
47   void Close() override;
48 
49  private:
50   void OnConnectEvent(Socket* socket);
51   void OnReadEvent(Socket* socket);
52   void OnWriteEvent(Socket* socket);
53   void OnCloseEvent(Socket* socket, int err);
54 
55   Socket* socket_;
56 };
57 
58 ///////////////////////////////////////////////////////////////////////////////
59 
60 }  // namespace rtc
61 
62 #endif  // RTC_BASE_SOCKET_STREAM_H_
63