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1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef REMOTING_PROTOCOL_P2P_DATAGRAM_SOCKET_H_ | |
6 #define REMOTING_PROTOCOL_P2P_DATAGRAM_SOCKET_H_ | |
7 | |
8 #include "net/base/completion_callback.h" | |
9 | |
10 namespace net { | |
11 class IOBuffer; | |
12 } // namespace net | |
13 | |
14 namespace remoting { | |
15 namespace protocol { | |
16 | |
17 // Peer-to-peer socket with datagram semantics. | |
18 class P2PDatagramSocket { | |
19 public: | |
20 virtual ~P2PDatagramSocket() {}; | |
21 | |
22 // Receives a packet, up to |buf_len| bytes, from the socket. The number of | |
23 // bytes read is returned, or an error is returned upon failure. | |
24 // ERR_IO_PENDING is returned if the operation could not be completed | |
25 // synchronously, in which case the result will be passed to the callback when | |
26 // available. If the operation is not completed immediately, the socket | |
27 // acquires a reference to the provided buffer until the callback is invoked | |
28 // or the socket is closed. If the socket is destroyed before the read | |
29 // completes, the callback will not be invoked. | |
30 virtual int Recv(const scoped_refptr<net::IOBuffer>& buf, int buf_len, | |
31 const net::CompletionCallback& callback) = 0; | |
32 | |
33 // Sends a packet. Size of the incoming packet is returned in case of success. | |
Wez
2015/07/14 18:28:09
nit: This is send; the packet is outgoing, not inc
Sergey Ulanov
2015/07/14 21:07:54
Done.
| |
34 // If the packet is larger than |buf_len| then it's truncated, i.e. only the | |
Wez
2015/07/14 18:28:09
nit: it's -> it is
Sergey Ulanov
2015/07/14 21:07:54
Done.
| |
35 // first |buf_len| bytes are stored in the buffer. In case of a failure an | |
Wez
2015/07/14 18:28:09
nit: "In case of failure a net error code is retur
Wez
2015/07/14 18:28:09
You mean that only |buf_len| bytes are written?
Sergey Ulanov
2015/07/14 21:07:54
Done.
Sergey Ulanov
2015/07/14 21:07:54
Done.
| |
36 // error is returned. ERR_IO_PENDING is returned if the operation could not be | |
37 // completed synchronously, in which case the result will be passed to the | |
38 // callback when available. If the operation is not completed immediately, the | |
39 // socket acquires a reference to the provided buffer until the callback is | |
40 // invoked or the socket is closed. Implementations of this method should not | |
41 // modify the contents of the actual buffer that is written to the socket. | |
42 virtual int Send(const scoped_refptr<net::IOBuffer>& buf, int buf_len, | |
43 const net::CompletionCallback& callback) = 0; | |
44 }; | |
45 | |
46 } // namespace protocol | |
47 } // namespace remoting | |
48 | |
49 #endif // REMOTING_PROTOCOL_P2P_DATAGRAM_SOCKET_H_ | |
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