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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_flow_controller.h" | 10 #include "net/quic/quic_flow_controller.h" |
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| 375 void QuicSession::SendRstStream(QuicStreamId id, | 375 void QuicSession::SendRstStream(QuicStreamId id, |
| 376 QuicRstStreamErrorCode error, | 376 QuicRstStreamErrorCode error, |
| 377 QuicStreamOffset bytes_written) { | 377 QuicStreamOffset bytes_written) { |
| 378 if (connection()->connected()) { | 378 if (connection()->connected()) { |
| 379 // Only send a RST_STREAM frame if still connected. | 379 // Only send a RST_STREAM frame if still connected. |
| 380 connection_->SendRstStream(id, error, bytes_written); | 380 connection_->SendRstStream(id, error, bytes_written); |
| 381 } | 381 } |
| 382 CloseStreamInner(id, true); | 382 CloseStreamInner(id, true); |
| 383 } | 383 } |
| 384 | 384 |
| 385 void QuicSession::SendGoAway(QuicErrorCode error_code, const string& reason) { | 385 void QuicSession::SendGoAway(QuicErrorCode error_code, |
| 386 const std::string& reason) { |
| 386 if (goaway_sent_) { | 387 if (goaway_sent_) { |
| 387 return; | 388 return; |
| 388 } | 389 } |
| 389 goaway_sent_ = true; | 390 goaway_sent_ = true; |
| 390 connection_->SendGoAway(error_code, largest_peer_created_stream_id_, reason); | 391 connection_->SendGoAway(error_code, largest_peer_created_stream_id_, reason); |
| 391 } | 392 } |
| 392 | 393 |
| 393 void QuicSession::CloseStream(QuicStreamId stream_id) { | 394 void QuicSession::CloseStream(QuicStreamId stream_id) { |
| 394 CloseStreamInner(stream_id, false); | 395 CloseStreamInner(stream_id, false); |
| 395 } | 396 } |
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| 422 } | 423 } |
| 423 | 424 |
| 424 stream_map_.erase(it); | 425 stream_map_.erase(it); |
| 425 stream->OnClose(); | 426 stream->OnClose(); |
| 426 // Decrease the number of streams being emulated when a new one is opened. | 427 // Decrease the number of streams being emulated when a new one is opened. |
| 427 connection_->SetNumOpenStreams(stream_map_.size()); | 428 connection_->SetNumOpenStreams(stream_map_.size()); |
| 428 } | 429 } |
| 429 | 430 |
| 430 void QuicSession::UpdateFlowControlOnFinalReceivedByteOffset( | 431 void QuicSession::UpdateFlowControlOnFinalReceivedByteOffset( |
| 431 QuicStreamId stream_id, QuicStreamOffset final_byte_offset) { | 432 QuicStreamId stream_id, QuicStreamOffset final_byte_offset) { |
| 432 map<QuicStreamId, QuicStreamOffset>::iterator it = | 433 std::map<QuicStreamId, QuicStreamOffset>::iterator it = |
| 433 locally_closed_streams_highest_offset_.find(stream_id); | 434 locally_closed_streams_highest_offset_.find(stream_id); |
| 434 if (it == locally_closed_streams_highest_offset_.end()) { | 435 if (it == locally_closed_streams_highest_offset_.end()) { |
| 435 return; | 436 return; |
| 436 } | 437 } |
| 437 | 438 |
| 438 DVLOG(1) << ENDPOINT << "Received final byte offset " << final_byte_offset | 439 DVLOG(1) << ENDPOINT << "Received final byte offset " << final_byte_offset |
| 439 << " for stream " << stream_id; | 440 << " for stream " << stream_id; |
| 440 uint64 offset_diff = final_byte_offset - it->second; | 441 uint64 offset_diff = final_byte_offset - it->second; |
| 441 if (flow_controller_->UpdateHighestReceivedOffset( | 442 if (flow_controller_->UpdateHighestReceivedOffset( |
| 442 flow_controller_->highest_received_byte_offset() + offset_diff)) { | 443 flow_controller_->highest_received_byte_offset() + offset_diff)) { |
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| 775 for (DataStreamMap::iterator it = stream_map_.begin(); | 776 for (DataStreamMap::iterator it = stream_map_.begin(); |
| 776 it != stream_map_.end(); ++it) { | 777 it != stream_map_.end(); ++it) { |
| 777 if (it->second->flow_controller()->IsBlocked()) { | 778 if (it->second->flow_controller()->IsBlocked()) { |
| 778 return true; | 779 return true; |
| 779 } | 780 } |
| 780 } | 781 } |
| 781 return false; | 782 return false; |
| 782 } | 783 } |
| 783 | 784 |
| 784 } // namespace net | 785 } // namespace net |
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