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1 // Copyright (c) 2012 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 // The base class for client/server reliable streams. | |
6 | |
7 #ifndef NET_QUIC_RELIABLE_QUIC_STREAM_H_ | |
8 #define NET_QUIC_RELIABLE_QUIC_STREAM_H_ | |
9 | |
10 #include "net/quic/quic_stream_sequencer.h" | |
11 | |
12 namespace net { | |
13 | |
14 class QuicSession; | |
15 | |
16 // All this does right now is send data to subclasses via the sequencer. | |
17 class ReliableQuicStream { | |
18 public: | |
19 ReliableQuicStream(QuicStreamId id, | |
20 QuicSession* session); | |
21 | |
22 virtual ~ReliableQuicStream(); | |
23 | |
24 bool WillAcceptStreamFrame(const QuicStreamFrame& frame) const; | |
25 bool OnStreamFrame(const QuicStreamFrame& frame); | |
26 | |
27 // Called when we get a stream reset from the client. | |
28 // The rst will be passed through the sequencer, which will call | |
29 // TerminateFromPeer when 'offset' bytes have been processed. | |
30 void OnStreamReset(QuicErrorCode error, QuicStreamOffset ofset); | |
31 | |
32 // Called when we get or send a connection close, and should immediately | |
33 // close the stream. This is not passed through the sequencer, | |
34 // but is handled immediately. | |
35 virtual void ConnectionClose(QuicErrorCode error, bool from_peer); | |
36 | |
37 // Called by the sequencer, when we should process a stream termination or | |
38 // stream close from the peer. | |
39 virtual void TerminateFromPeer(bool half_close); | |
40 | |
41 virtual uint32 ProcessData(const char* data, uint32 data_len) = 0; | |
42 | |
43 // Called to close the stream from this end. | |
44 virtual void Close(QuicErrorCode error); | |
45 | |
46 // This block of functions wraps the sequencer's functions of the same | |
47 // name. | |
48 virtual int Readv(const struct iovec* iov, int iov_len); | |
49 virtual bool IsHalfClosed(); | |
50 virtual bool HasBytesToRead(); | |
jar (doing other things)
2012/11/01 22:21:10
nit: both above are probably const methods.
Ryan Hamilton
2012/11/01 22:52:20
Fixed upstream.
| |
51 | |
52 QuicStreamId id() { return id_; } | |
53 | |
54 QuicErrorCode error() { return error_; } | |
55 | |
56 protected: | |
57 virtual ssize_t WriteData(base::StringPiece data, bool fin); | |
58 // Close the read side of the socket. Further frames will not be accepted. | |
59 virtual void CloseReadSide(); | |
60 // Close the write side of the socket. Further writes will fail. | |
61 void CloseWriteSide(); | |
62 | |
63 QuicSession* session() { return session_; } | |
jar (doing other things)
2012/11/01 22:21:10
nit: const method
Ryan Hamilton
2012/11/01 22:52:20
It's gauche to return mutable pointers to members
| |
64 | |
65 private: | |
66 friend class ReliableQuicStreamPeer; | |
67 | |
68 QuicStreamSequencer sequencer_; | |
69 QuicStreamId id_; | |
70 QuicStreamOffset offset_; | |
71 QuicSession* session_; | |
72 QuicErrorCode error_; | |
73 // True if the read side is closed and further frames should be rejected. | |
74 bool read_side_closed_; | |
75 // True if the write side is closed, and further writes should fail. | |
76 bool write_side_closed_; | |
77 }; | |
78 | |
79 } // namespace net | |
80 | |
81 #endif // NET_QUIC_RELIABLE_QUIC_STREAM_H_ | |
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