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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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_session.h" | 5 #include "net/quic/quic_session.h" |
6 | 6 |
7 #include "base/stl_util.h" | 7 #include "base/stl_util.h" |
8 #include "net/quic/crypto/proof_verifier.h" | 8 #include "net/quic/crypto/proof_verifier.h" |
9 #include "net/quic/quic_connection.h" | 9 #include "net/quic/quic_connection.h" |
10 #include "net/quic/quic_flags.h" | 10 #include "net/quic/quic_flags.h" |
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246 for (size_t i = 0; i < frames.size(); ++i) { | 246 for (size_t i = 0; i < frames.size(); ++i) { |
247 // Stream may be closed by the time we receive a WINDOW_UPDATE, so we can't | 247 // Stream may be closed by the time we receive a WINDOW_UPDATE, so we can't |
248 // assume that it still exists. | 248 // assume that it still exists. |
249 QuicStreamId stream_id = frames[i].stream_id; | 249 QuicStreamId stream_id = frames[i].stream_id; |
250 if (stream_id == 0) { | 250 if (stream_id == 0) { |
251 // This is a window update that applies to the connection, rather than an | 251 // This is a window update that applies to the connection, rather than an |
252 // individual stream. | 252 // individual stream. |
253 DVLOG(1) << ENDPOINT | 253 DVLOG(1) << ENDPOINT |
254 << "Received connection level flow control window update with " | 254 << "Received connection level flow control window update with " |
255 "byte offset: " << frames[i].byte_offset; | 255 "byte offset: " << frames[i].byte_offset; |
256 if (FLAGS_enable_quic_connection_flow_control && | 256 if (FLAGS_enable_quic_connection_flow_control_2 && |
257 flow_controller_->UpdateSendWindowOffset(frames[i].byte_offset)) { | 257 flow_controller_->UpdateSendWindowOffset(frames[i].byte_offset)) { |
258 connection_window_updated = true; | 258 connection_window_updated = true; |
259 } | 259 } |
260 continue; | 260 continue; |
261 } | 261 } |
262 | 262 |
263 QuicDataStream* stream = GetDataStream(stream_id); | 263 QuicDataStream* stream = GetDataStream(stream_id); |
264 if (stream) { | 264 if (stream) { |
265 stream->OnWindowUpdateFrame(frames[i]); | 265 stream->OnWindowUpdateFrame(frames[i]); |
266 } | 266 } |
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406 stream->set_rst_sent(true); | 406 stream->set_rst_sent(true); |
407 } | 407 } |
408 | 408 |
409 closed_streams_.push_back(it->second); | 409 closed_streams_.push_back(it->second); |
410 | 410 |
411 // If we haven't received a FIN or RST for this stream, we need to keep track | 411 // If we haven't received a FIN or RST for this stream, we need to keep track |
412 // of the how many bytes the stream's flow controller believes it has | 412 // of the how many bytes the stream's flow controller believes it has |
413 // received, for accurate connection level flow control accounting. | 413 // received, for accurate connection level flow control accounting. |
414 if (!stream->HasFinalReceivedByteOffset() && | 414 if (!stream->HasFinalReceivedByteOffset() && |
415 stream->flow_controller()->IsEnabled() && | 415 stream->flow_controller()->IsEnabled() && |
416 FLAGS_enable_quic_connection_flow_control) { | 416 FLAGS_enable_quic_connection_flow_control_2) { |
417 locally_closed_streams_highest_offset_[stream_id] = | 417 locally_closed_streams_highest_offset_[stream_id] = |
418 stream->flow_controller()->highest_received_byte_offset(); | 418 stream->flow_controller()->highest_received_byte_offset(); |
419 } | 419 } |
420 | 420 |
421 stream_map_.erase(it); | 421 stream_map_.erase(it); |
422 stream->OnClose(); | 422 stream->OnClose(); |
423 } | 423 } |
424 | 424 |
425 void QuicSession::UpdateFlowControlOnFinalReceivedByteOffset( | 425 void QuicSession::UpdateFlowControlOnFinalReceivedByteOffset( |
426 QuicStreamId stream_id, QuicStreamOffset final_byte_offset) { | 426 QuicStreamId stream_id, QuicStreamOffset final_byte_offset) { |
427 if (!FLAGS_enable_quic_connection_flow_control) { | 427 if (!FLAGS_enable_quic_connection_flow_control_2) { |
428 return; | 428 return; |
429 } | 429 } |
430 | 430 |
431 map<QuicStreamId, QuicStreamOffset>::iterator it = | 431 map<QuicStreamId, QuicStreamOffset>::iterator it = |
432 locally_closed_streams_highest_offset_.find(stream_id); | 432 locally_closed_streams_highest_offset_.find(stream_id); |
433 if (it == locally_closed_streams_highest_offset_.end()) { | 433 if (it == locally_closed_streams_highest_offset_.end()) { |
434 return; | 434 return; |
435 } | 435 } |
436 | 436 |
437 DVLOG(1) << ENDPOINT << "Received final byte offset " << final_byte_offset | 437 DVLOG(1) << ENDPOINT << "Received final byte offset " << final_byte_offset |
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714 // with a different version. | 714 // with a different version. |
715 for (DataStreamMap::iterator it = stream_map_.begin(); | 715 for (DataStreamMap::iterator it = stream_map_.begin(); |
716 it != stream_map_.end(); ++it) { | 716 it != stream_map_.end(); ++it) { |
717 if (version < QUIC_VERSION_17) { | 717 if (version < QUIC_VERSION_17) { |
718 it->second->flow_controller()->Disable(); | 718 it->second->flow_controller()->Disable(); |
719 } | 719 } |
720 } | 720 } |
721 } | 721 } |
722 | 722 |
723 } // namespace net | 723 } // namespace net |
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