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Issue 266243004: Clang format slam. Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 7 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "net/quic/quic_data_stream.h" 5 #include "net/quic/quic_data_stream.h"
6 6
7 #include "base/logging.h" 7 #include "base/logging.h"
8 #include "net/quic/quic_session.h" 8 #include "net/quic/quic_session.h"
9 #include "net/quic/quic_utils.h" 9 #include "net/quic/quic_utils.h"
10 #include "net/quic/quic_write_blocked_list.h" 10 #include "net/quic/quic_write_blocked_list.h"
11 11
12 using base::StringPiece; 12 using base::StringPiece;
13 using std::min; 13 using std::min;
14 14
15 namespace net { 15 namespace net {
16 16
17 #define ENDPOINT (session()->is_server() ? "Server: " : " Client: ") 17 #define ENDPOINT (session()->is_server() ? "Server: " : " Client: ")
18 18
19 namespace { 19 namespace {
20 20
21 // This is somewhat arbitrary. It's possible, but unlikely, we will either fail 21 // This is somewhat arbitrary. It's possible, but unlikely, we will either fail
22 // to set a priority client-side, or cancel a stream before stripping the 22 // to set a priority client-side, or cancel a stream before stripping the
23 // priority from the wire server-side. In either case, start out with a 23 // priority from the wire server-side. In either case, start out with a
24 // priority in the middle. 24 // priority in the middle.
25 QuicPriority kDefaultPriority = 3; 25 QuicPriority kDefaultPriority = 3;
26 26
27 } // namespace 27 } // namespace
28 28
29 QuicDataStream::QuicDataStream(QuicStreamId id, 29 QuicDataStream::QuicDataStream(QuicStreamId id, QuicSession* session)
30 QuicSession* session)
31 : ReliableQuicStream(id, session), 30 : ReliableQuicStream(id, session),
32 visitor_(NULL), 31 visitor_(NULL),
33 headers_decompressed_(false), 32 headers_decompressed_(false),
34 priority_(kDefaultPriority), 33 priority_(kDefaultPriority),
35 decompression_failed_(false), 34 decompression_failed_(false),
36 priority_parsed_(false) { 35 priority_parsed_(false) {
37 DCHECK_NE(kCryptoStreamId, id); 36 DCHECK_NE(kCryptoStreamId, id);
38 // Don't receive any callbacks from the sequencer until headers 37 // Don't receive any callbacks from the sequencer until headers
39 // are complete. 38 // are complete.
40 sequencer()->SetBlockedUntilFlush(); 39 sequencer()->SetBlockedUntilFlush();
41 } 40 }
42 41
43 QuicDataStream::~QuicDataStream() { 42 QuicDataStream::~QuicDataStream() {
44 } 43 }
45 44
46 size_t QuicDataStream::WriteHeaders( 45 size_t QuicDataStream::WriteHeaders(
47 const SpdyHeaderBlock& header_block, 46 const SpdyHeaderBlock& header_block,
48 bool fin, 47 bool fin,
49 QuicAckNotifier::DelegateInterface* ack_notifier_delegate) { 48 QuicAckNotifier::DelegateInterface* ack_notifier_delegate) {
50 size_t bytes_written = session()->WriteHeaders( 49 size_t bytes_written =
51 id(), header_block, fin, ack_notifier_delegate); 50 session()->WriteHeaders(id(), header_block, fin, ack_notifier_delegate);
52 if (fin) { 51 if (fin) {
53 // TODO(rch): Add test to ensure fin_sent_ is set whenever a fin is sent. 52 // TODO(rch): Add test to ensure fin_sent_ is set whenever a fin is sent.
54 set_fin_sent(true); 53 set_fin_sent(true);
55 CloseWriteSide(); 54 CloseWriteSide();
56 } 55 }
57 return bytes_written; 56 return bytes_written;
58 } 57 }
59 58
60 size_t QuicDataStream::Readv(const struct iovec* iov, size_t iov_len) { 59 size_t QuicDataStream::Readv(const struct iovec* iov, size_t iov_len) {
61 if (FinishedReadingHeaders()) { 60 if (FinishedReadingHeaders()) {
62 // If the headers have been read, simply delegate to the sequencer's 61 // If the headers have been read, simply delegate to the sequencer's
63 // Readv method. 62 // Readv method.
64 return sequencer()->Readv(iov, iov_len); 63 return sequencer()->Readv(iov, iov_len);
65 } 64 }
66 // Otherwise, copy decompressed header data into |iov|. 65 // Otherwise, copy decompressed header data into |iov|.
67 size_t bytes_consumed = 0; 66 size_t bytes_consumed = 0;
68 size_t iov_index = 0; 67 size_t iov_index = 0;
69 while (iov_index < iov_len && 68 while (iov_index < iov_len &&
70 decompressed_headers_.length() > bytes_consumed) { 69 decompressed_headers_.length() > bytes_consumed) {
71 size_t bytes_to_read = min(iov[iov_index].iov_len, 70 size_t bytes_to_read = min(iov[iov_index].iov_len,
72 decompressed_headers_.length() - bytes_consumed); 71 decompressed_headers_.length() - bytes_consumed);
73 char* iov_ptr = static_cast<char*>(iov[iov_index].iov_base); 72 char* iov_ptr = static_cast<char*>(iov[iov_index].iov_base);
74 memcpy(iov_ptr, 73 memcpy(
75 decompressed_headers_.data() + bytes_consumed, bytes_to_read); 74 iov_ptr, decompressed_headers_.data() + bytes_consumed, bytes_to_read);
76 bytes_consumed += bytes_to_read; 75 bytes_consumed += bytes_to_read;
77 ++iov_index; 76 ++iov_index;
78 } 77 }
79 decompressed_headers_.erase(0, bytes_consumed); 78 decompressed_headers_.erase(0, bytes_consumed);
80 if (FinishedReadingHeaders()) { 79 if (FinishedReadingHeaders()) {
81 sequencer()->FlushBufferedFrames(); 80 sequencer()->FlushBufferedFrames();
82 } 81 }
83 return bytes_consumed; 82 return bytes_consumed;
84 } 83 }
85 84
86 int QuicDataStream::GetReadableRegions(iovec* iov, size_t iov_len) { 85 int QuicDataStream::GetReadableRegions(iovec* iov, size_t iov_len) {
87 if (FinishedReadingHeaders()) { 86 if (FinishedReadingHeaders()) {
88 return sequencer()->GetReadableRegions(iov, iov_len); 87 return sequencer()->GetReadableRegions(iov, iov_len);
89 } 88 }
90 if (iov_len == 0) { 89 if (iov_len == 0) {
91 return 0; 90 return 0;
92 } 91 }
93 iov[0].iov_base = static_cast<void*>( 92 iov[0].iov_base =
94 const_cast<char*>(decompressed_headers_.data())); 93 static_cast<void*>(const_cast<char*>(decompressed_headers_.data()));
95 iov[0].iov_len = decompressed_headers_.length(); 94 iov[0].iov_len = decompressed_headers_.length();
96 return 1; 95 return 1;
97 } 96 }
98 97
99 bool QuicDataStream::IsDoneReading() const { 98 bool QuicDataStream::IsDoneReading() const {
100 if (!headers_decompressed_ || !decompressed_headers_.empty()) { 99 if (!headers_decompressed_ || !decompressed_headers_.empty()) {
101 return false; 100 return false;
102 } 101 }
103 return sequencer()->IsClosed(); 102 return sequencer()->IsClosed();
104 } 103 }
(...skipping 25 matching lines...) Expand all
130 129
131 bool QuicDataStream::GetSSLInfo(SSLInfo* ssl_info) { 130 bool QuicDataStream::GetSSLInfo(SSLInfo* ssl_info) {
132 return session()->GetSSLInfo(ssl_info); 131 return session()->GetSSLInfo(ssl_info);
133 } 132 }
134 133
135 uint32 QuicDataStream::ProcessHeaderData() { 134 uint32 QuicDataStream::ProcessHeaderData() {
136 if (decompressed_headers_.empty()) { 135 if (decompressed_headers_.empty()) {
137 return 0; 136 return 0;
138 } 137 }
139 138
140 size_t bytes_processed = ProcessData(decompressed_headers_.data(), 139 size_t bytes_processed =
141 decompressed_headers_.length()); 140 ProcessData(decompressed_headers_.data(), decompressed_headers_.length());
142 if (bytes_processed == decompressed_headers_.length()) { 141 if (bytes_processed == decompressed_headers_.length()) {
143 decompressed_headers_.clear(); 142 decompressed_headers_.clear();
144 } else { 143 } else {
145 decompressed_headers_ = decompressed_headers_.erase(0, bytes_processed); 144 decompressed_headers_ = decompressed_headers_.erase(0, bytes_processed);
146 } 145 }
147 return bytes_processed; 146 return bytes_processed;
148 } 147 }
149 148
150 void QuicDataStream::OnStreamHeaders(StringPiece headers_data) { 149 void QuicDataStream::OnStreamHeaders(StringPiece headers_data) {
151 headers_data.AppendToString(&decompressed_headers_); 150 headers_data.AppendToString(&decompressed_headers_);
(...skipping 26 matching lines...) Expand all
178 visitor_ = NULL; 177 visitor_ = NULL;
179 visitor->OnClose(this); 178 visitor->OnClose(this);
180 } 179 }
181 } 180 }
182 181
183 bool QuicDataStream::FinishedReadingHeaders() { 182 bool QuicDataStream::FinishedReadingHeaders() {
184 return headers_decompressed_ && decompressed_headers_.empty(); 183 return headers_decompressed_ && decompressed_headers_.empty();
185 } 184 }
186 185
187 } // namespace net 186 } // namespace net
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