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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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102 config_(config), | 102 config_(config), |
103 max_open_streams_(config_.MaxStreamsPerConnection()), | 103 max_open_streams_(config_.MaxStreamsPerConnection()), |
104 next_stream_id_(is_server() ? 2 : 5), | 104 next_stream_id_(is_server() ? 2 : 5), |
105 largest_peer_created_stream_id_(0), | 105 largest_peer_created_stream_id_(0), |
106 error_(QUIC_NO_ERROR), | 106 error_(QUIC_NO_ERROR), |
107 goaway_received_(false), | 107 goaway_received_(false), |
108 goaway_sent_(false), | 108 goaway_sent_(false), |
109 has_pending_handshake_(false) { | 109 has_pending_handshake_(false) { |
110 if (connection_->version() == QUIC_VERSION_19) { | 110 if (connection_->version() == QUIC_VERSION_19) { |
111 flow_controller_.reset(new QuicFlowController( | 111 flow_controller_.reset(new QuicFlowController( |
112 connection_.get(), 0, is_server(), kDefaultFlowControlSendWindow, | 112 connection_.get(), 0, is_server(), kMinimumFlowControlSendWindow, |
113 config_.GetInitialFlowControlWindowToSend(), | 113 config_.GetInitialFlowControlWindowToSend(), |
114 config_.GetInitialFlowControlWindowToSend())); | 114 config_.GetInitialFlowControlWindowToSend())); |
115 } else { | 115 } else { |
116 flow_controller_.reset(new QuicFlowController( | 116 flow_controller_.reset(new QuicFlowController( |
117 connection_.get(), 0, is_server(), kDefaultFlowControlSendWindow, | 117 connection_.get(), 0, is_server(), kMinimumFlowControlSendWindow, |
118 config_.GetInitialSessionFlowControlWindowToSend(), | 118 config_.GetInitialSessionFlowControlWindowToSend(), |
119 config_.GetInitialSessionFlowControlWindowToSend())); | 119 config_.GetInitialSessionFlowControlWindowToSend())); |
120 } | 120 } |
121 } | 121 } |
122 | 122 |
123 void QuicSession::InitializeSession() { | 123 void QuicSession::InitializeSession() { |
124 connection_->set_visitor(visitor_shim_.get()); | 124 connection_->set_visitor(visitor_shim_.get()); |
125 connection_->SetFromConfig(config_); | 125 connection_->SetFromConfig(config_); |
126 headers_stream_.reset(new QuicHeadersStream(this)); | 126 headers_stream_.reset(new QuicHeadersStream(this)); |
127 } | 127 } |
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502 OnNewStreamFlowControlWindow( | 502 OnNewStreamFlowControlWindow( |
503 config_.ReceivedInitialStreamFlowControlWindowBytes()); | 503 config_.ReceivedInitialStreamFlowControlWindowBytes()); |
504 } | 504 } |
505 if (config_.HasReceivedInitialSessionFlowControlWindowBytes()) { | 505 if (config_.HasReceivedInitialSessionFlowControlWindowBytes()) { |
506 OnNewSessionFlowControlWindow( | 506 OnNewSessionFlowControlWindow( |
507 config_.ReceivedInitialSessionFlowControlWindowBytes()); | 507 config_.ReceivedInitialSessionFlowControlWindowBytes()); |
508 } | 508 } |
509 } | 509 } |
510 | 510 |
511 void QuicSession::OnNewStreamFlowControlWindow(QuicStreamOffset new_window) { | 511 void QuicSession::OnNewStreamFlowControlWindow(QuicStreamOffset new_window) { |
512 if (new_window < kDefaultFlowControlSendWindow) { | 512 if (new_window < kMinimumFlowControlSendWindow) { |
513 LOG(ERROR) | 513 LOG(ERROR) << "Peer sent us an invalid stream flow control send window: " |
514 << "Peer sent us an invalid stream flow control send window: " | 514 << new_window |
515 << new_window << ", below default: " << kDefaultFlowControlSendWindow; | 515 << ", below default: " << kMinimumFlowControlSendWindow; |
516 if (connection_->connected()) { | 516 if (connection_->connected()) { |
517 connection_->SendConnectionClose(QUIC_FLOW_CONTROL_INVALID_WINDOW); | 517 connection_->SendConnectionClose(QUIC_FLOW_CONTROL_INVALID_WINDOW); |
518 } | 518 } |
519 return; | 519 return; |
520 } | 520 } |
521 | 521 |
522 // Inform all existing streams about the new window. | 522 // Inform all existing streams about the new window. |
523 if (connection_->version() >= QUIC_VERSION_21) { | 523 if (connection_->version() >= QUIC_VERSION_21) { |
524 GetCryptoStream()->UpdateSendWindowOffset(new_window); | 524 GetCryptoStream()->UpdateSendWindowOffset(new_window); |
525 headers_stream_->UpdateSendWindowOffset(new_window); | 525 headers_stream_->UpdateSendWindowOffset(new_window); |
526 } | 526 } |
527 for (DataStreamMap::iterator it = stream_map_.begin(); | 527 for (DataStreamMap::iterator it = stream_map_.begin(); |
528 it != stream_map_.end(); ++it) { | 528 it != stream_map_.end(); ++it) { |
529 it->second->UpdateSendWindowOffset(new_window); | 529 it->second->UpdateSendWindowOffset(new_window); |
530 } | 530 } |
531 } | 531 } |
532 | 532 |
533 void QuicSession::OnNewSessionFlowControlWindow(QuicStreamOffset new_window) { | 533 void QuicSession::OnNewSessionFlowControlWindow(QuicStreamOffset new_window) { |
534 if (new_window < kDefaultFlowControlSendWindow) { | 534 if (new_window < kMinimumFlowControlSendWindow) { |
535 LOG(ERROR) | 535 LOG(ERROR) << "Peer sent us an invalid session flow control send window: " |
536 << "Peer sent us an invalid session flow control send window: " | 536 << new_window |
537 << new_window << ", below default: " << kDefaultFlowControlSendWindow; | 537 << ", below default: " << kMinimumFlowControlSendWindow; |
538 if (connection_->connected()) { | 538 if (connection_->connected()) { |
539 connection_->SendConnectionClose(QUIC_FLOW_CONTROL_INVALID_WINDOW); | 539 connection_->SendConnectionClose(QUIC_FLOW_CONTROL_INVALID_WINDOW); |
540 } | 540 } |
541 return; | 541 return; |
542 } | 542 } |
543 | 543 |
544 flow_controller_->UpdateSendWindowOffset(new_window); | 544 flow_controller_->UpdateSendWindowOffset(new_window); |
545 } | 545 } |
546 | 546 |
547 void QuicSession::OnCryptoHandshakeEvent(CryptoHandshakeEvent event) { | 547 void QuicSession::OnCryptoHandshakeEvent(CryptoHandshakeEvent event) { |
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778 for (DataStreamMap::iterator it = stream_map_.begin(); | 778 for (DataStreamMap::iterator it = stream_map_.begin(); |
779 it != stream_map_.end(); ++it) { | 779 it != stream_map_.end(); ++it) { |
780 if (it->second->flow_controller()->IsBlocked()) { | 780 if (it->second->flow_controller()->IsBlocked()) { |
781 return true; | 781 return true; |
782 } | 782 } |
783 } | 783 } |
784 return false; | 784 return false; |
785 } | 785 } |
786 | 786 |
787 } // namespace net | 787 } // namespace net |
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