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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 #include "net/tools/quic/quic_simple_client_stream.h" | |
6 | |
7 #include "net/http/http_response_info.h" | |
8 #include "net/spdy/spdy_framer.h" | |
9 #include "net/spdy/spdy_http_utils.h" | |
10 #include "net/tools/quic/quic_simple_client_session.h" | |
11 | |
12 using base::StringPiece; | |
13 using std::string; | |
14 | |
15 namespace net { | |
16 namespace tools { | |
17 | |
18 static const size_t kHeaderBufInitialSize = 4096; | |
19 | |
20 QuicSimpleClientStream::QuicSimpleClientStream(QuicStreamId id, | |
21 QuicSimpleClientSession* session) | |
22 : QuicDataStream(id, session), | |
23 read_buf_(new GrowableIOBuffer()), | |
24 response_headers_received_(false), | |
25 header_bytes_read_(0), | |
26 header_bytes_written_(0) { | |
27 read_buf_->SetCapacity(kHeaderBufInitialSize); | |
28 } | |
29 | |
30 QuicSimpleClientStream::~QuicSimpleClientStream() { | |
31 } | |
32 | |
33 void QuicSimpleClientStream::OnStreamFrame(const QuicStreamFrame& frame) { | |
34 if (!write_side_closed()) { | |
35 DVLOG(1) << "Got a response before the request was complete. " | |
36 << "Aborting request."; | |
37 CloseWriteSide(); | |
38 } | |
39 QuicDataStream::OnStreamFrame(frame); | |
40 } | |
41 | |
42 void QuicSimpleClientStream::OnStreamHeadersComplete(bool fin, | |
43 size_t frame_len) { | |
44 header_bytes_read_ = frame_len; | |
45 QuicDataStream::OnStreamHeadersComplete(fin, frame_len); | |
46 } | |
47 | |
48 uint32 QuicSimpleClientStream::ProcessData(const char* data, | |
49 uint32 data_len) { | |
50 int total_bytes_processed = 0; | |
51 | |
52 // Are we still reading the response headers. | |
53 if (!response_headers_received_) { | |
54 // Grow the read buffer if necessary. | |
55 if (read_buf_->RemainingCapacity() < (int)data_len) { | |
56 read_buf_->SetCapacity(read_buf_->capacity() + kHeaderBufInitialSize); | |
57 } | |
58 memcpy(read_buf_->data(), data, data_len); | |
59 read_buf_->set_offset(read_buf_->offset() + data_len); | |
60 ParseResponseHeaders(); | |
61 } else { | |
62 data_.append(data + total_bytes_processed, | |
63 data_len - total_bytes_processed); | |
64 } | |
65 return data_len; | |
66 } | |
67 | |
68 void QuicSimpleClientStream::OnFinRead() { | |
69 ReliableQuicStream::OnFinRead(); | |
70 if (!response_headers_received_) { | |
71 Reset(QUIC_BAD_APPLICATION_PAYLOAD); | |
72 } else if (headers()->GetContentLength() != -1 && | |
73 data_.size() != | |
74 static_cast<size_t>(headers()->GetContentLength())) { | |
75 Reset(QUIC_BAD_APPLICATION_PAYLOAD); | |
76 } | |
77 } | |
78 | |
79 size_t QuicSimpleClientStream::SendRequest(const HttpRequestInfo& headers, | |
80 StringPiece body, | |
81 bool fin) { | |
82 SpdyHeaderBlock header_block; | |
83 CreateSpdyHeadersFromHttpRequest(headers, | |
84 headers.extra_headers, | |
85 SPDY3, | |
86 /*direct=*/ true, | |
87 &header_block); | |
88 | |
89 bool send_fin_with_headers = fin && body.empty(); | |
90 size_t bytes_sent = body.size(); | |
91 header_bytes_written_ = | |
92 WriteHeaders(header_block, send_fin_with_headers, nullptr); | |
93 bytes_sent += header_bytes_written_; | |
94 | |
95 if (!body.empty()) { | |
96 WriteOrBufferData(body, fin, nullptr); | |
97 } | |
98 | |
99 return bytes_sent; | |
100 } | |
101 | |
102 int QuicSimpleClientStream::ParseResponseHeaders() { | |
103 size_t read_buf_len = static_cast<size_t>(read_buf_->offset()); | |
104 SpdyFramer framer(SPDY3); | |
105 SpdyHeaderBlock headers; | |
106 char* data = read_buf_->StartOfBuffer(); | |
107 size_t len = framer.ParseHeaderBlockInBuffer(data, read_buf_->offset(), | |
108 &headers); | |
109 if (len == 0) { | |
110 return -1; | |
111 } | |
112 | |
113 HttpResponseInfo info; | |
114 if (!SpdyHeadersToHttpResponse(headers, SPDY3, &info)) { | |
115 Reset(QUIC_BAD_APPLICATION_PAYLOAD); | |
116 return -1; | |
117 } | |
118 headers_ = info.headers; | |
119 | |
120 response_headers_received_ = true; | |
121 | |
122 size_t delta = read_buf_len - len; | |
123 if (delta > 0) { | |
124 data_.append(data + len, delta); | |
125 } | |
126 | |
127 return static_cast<int>(len); | |
128 } | |
129 | |
130 void QuicSimpleClientStream::SendBody(const string& data, bool fin) { | |
131 SendBody(data, fin, nullptr); | |
132 } | |
133 | |
134 void QuicSimpleClientStream::SendBody( | |
135 const string& data, | |
136 bool fin, | |
137 QuicAckNotifier::DelegateInterface* delegate) { | |
138 WriteOrBufferData(data, fin, delegate); | |
139 } | |
140 | |
141 } // namespace tools | |
142 } // namespace net | |
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