1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_TOOLS_QUIC_QUIC_SPDY_CLIENT_STREAM_H_
#define NET_TOOLS_QUIC_QUIC_SPDY_CLIENT_STREAM_H_
#include <stddef.h>
#include <sys/types.h>
#include <string>
#include "base/macros.h"
#include "base/strings/string_piece.h"
#include "net/quic/quic_protocol.h"
#include "net/quic/quic_spdy_stream.h"
#include "net/spdy/spdy_framer.h"
namespace net {
class QuicClientSession;
// All this does right now is send an SPDY request, and aggregate the
// SPDY response.
class QuicSpdyClientStream : public QuicSpdyStream {
public:
QuicSpdyClientStream(QuicStreamId id, QuicClientSession* session);
~QuicSpdyClientStream() override;
// Override the base class to close the write side as soon as we get a
// response.
// SPDY/HTTP does not support bidirectional streaming.
void OnStreamFrame(const QuicStreamFrame& frame) override;
// Override the base class to parse and store headers.
void OnInitialHeadersComplete(bool fin, size_t frame_len) override;
// Override the base class to parse and store trailers.
void OnTrailingHeadersComplete(bool fin, size_t frame_len) override;
// Override the base class to handle creation of the push stream.
void OnPromiseHeadersComplete(QuicStreamId promised_stream_id,
size_t frame_len) override;
// ReliableQuicStream implementation called by the session when there's
// data for us.
void OnDataAvailable() override;
// Serializes the headers and body, sends it to the server, and
// returns the number of bytes sent.
size_t SendRequest(const SpdyHeaderBlock& headers,
base::StringPiece body,
bool fin);
// Sends body data to the server, or buffers if it can't be sent immediately.
void SendBody(const std::string& data, bool fin);
// As above, but |delegate| will be notified once |data| is ACKed.
void SendBody(const std::string& data,
bool fin,
QuicAckListenerInterface* listener);
// Returns the response data.
const std::string& data() { return data_; }
// Returns whatever headers have been received for this stream.
const SpdyHeaderBlock& headers() { return response_headers_; }
size_t header_bytes_read() const { return header_bytes_read_; }
size_t header_bytes_written() const { return header_bytes_written_; }
size_t trailer_bytes_read() const { return header_bytes_read_; }
int response_code() const { return response_code_; }
// While the server's SetPriority shouldn't be called externally, the creator
// of client-side streams should be able to set the priority.
using QuicSpdyStream::SetPriority;
void set_allow_bidirectional_data(bool value) {
allow_bidirectional_data_ = value;
}
bool allow_bidirectional_data() const { return allow_bidirectional_data_; }
private:
// The parsed headers received from the server.
SpdyHeaderBlock response_headers_;
// The parsed content-length, or -1 if none is specified.
int content_length_;
int response_code_;
std::string data_;
size_t header_bytes_read_;
size_t header_bytes_written_;
// When true allows the sending of a request to continue while the response is
// arriving.
bool allow_bidirectional_data_;
QuicClientSession* session_;
DISALLOW_COPY_AND_ASSIGN(QuicSpdyClientStream);
};
} // namespace net
#endif // NET_TOOLS_QUIC_QUIC_SPDY_CLIENT_STREAM_H_
|
