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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/spdy/spdy_protocol.h" | 5 #include "net/spdy/spdy_protocol.h" |
6 | 6 |
7 #include "base/memory/ptr_util.h" | 7 #include "base/memory/ptr_util.h" |
8 #include "net/spdy/spdy_bug_tracker.h" | 8 #include "net/spdy/spdy_bug_tracker.h" |
9 | 9 |
10 namespace net { | 10 namespace net { |
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684 return 13; | 684 return 13; |
685 default: | 685 default: |
686 SPDY_BUG << "Serializing unhandled GOAWAY status " << status; | 686 SPDY_BUG << "Serializing unhandled GOAWAY status " << status; |
687 return -1; | 687 return -1; |
688 } | 688 } |
689 } | 689 } |
690 SPDY_BUG << "Unknown SpdyMajorVersion " << version; | 690 SPDY_BUG << "Unknown SpdyMajorVersion " << version; |
691 return -1; | 691 return -1; |
692 } | 692 } |
693 | 693 |
694 size_t SpdyConstants::GetDataFrameMinimumSize(SpdyMajorVersion version) { | 694 size_t SpdyConstants::GetFrameHeaderSize(SpdyMajorVersion version) { |
695 switch (version) { | 695 switch (version) { |
696 case SPDY3: | 696 case SPDY3: |
697 return 8; | 697 return 8; |
698 case HTTP2: | 698 case HTTP2: |
699 return 9; | 699 return 9; |
700 } | 700 } |
701 SPDY_BUG << "Unhandled SPDY version."; | 701 SPDY_BUG << "Unhandled SPDY version."; |
702 return 0; | 702 return 0; |
703 } | 703 } |
704 | 704 |
| 705 size_t SpdyConstants::GetDataFrameMinimumSize(SpdyMajorVersion version) { |
| 706 return GetFrameHeaderSize(version); |
| 707 } |
| 708 |
705 size_t SpdyConstants::GetControlFrameHeaderSize(SpdyMajorVersion version) { | 709 size_t SpdyConstants::GetControlFrameHeaderSize(SpdyMajorVersion version) { |
706 switch (version) { | 710 return GetFrameHeaderSize(version); |
707 case SPDY3: | |
708 return 8; | |
709 case HTTP2: | |
710 return 9; | |
711 } | |
712 SPDY_BUG << "Unhandled SPDY version."; | |
713 return 0; | |
714 } | 711 } |
715 | 712 |
716 size_t SpdyConstants::GetPrefixLength(SpdyFrameType type, | 713 size_t SpdyConstants::GetPrefixLength(SpdyFrameType type, |
717 SpdyMajorVersion version) { | 714 SpdyMajorVersion version) { |
718 if (type != DATA) { | 715 return GetFrameHeaderSize(version); |
719 return GetControlFrameHeaderSize(version); | |
720 } else { | |
721 return GetDataFrameMinimumSize(version); | |
722 } | |
723 } | 716 } |
724 | 717 |
725 size_t SpdyConstants::GetFrameMaximumSize(SpdyMajorVersion version) { | 718 size_t SpdyConstants::GetMaxFrameSizeLimit(SpdyMajorVersion version) { |
726 if (version == SPDY3) { | 719 return kSpdyMaxFrameSizeLimit + GetFrameHeaderSize(version); |
727 // 24-bit length field plus eight-byte frame header. | |
728 return ((1 << 24) - 1) + 8; | |
729 } else { | |
730 // Max payload of 2^14 plus nine-byte frame header. | |
731 // TODO(dahollings): Change this to the actual spec | |
732 // max of (1 << 24) - 1 + 9. | |
733 return (1 << 14) + 9; | |
734 } | |
735 } | 720 } |
736 | 721 |
737 size_t SpdyConstants::GetSizeOfSizeField() { | 722 size_t SpdyConstants::GetSizeOfSizeField() { |
738 return sizeof(uint32_t); | 723 return sizeof(uint32_t); |
739 } | 724 } |
740 | 725 |
741 size_t SpdyConstants::GetPerHeaderOverhead(SpdyMajorVersion version) { | 726 size_t SpdyConstants::GetPerHeaderOverhead(SpdyMajorVersion version) { |
742 return (version == net::HTTP2) ? 32 : 0; | 727 return (version == net::HTTP2) ? 32 : 0; |
743 } | 728 } |
744 | 729 |
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890 | 875 |
891 void SpdyAltSvcIR::Visit(SpdyFrameVisitor* visitor) const { | 876 void SpdyAltSvcIR::Visit(SpdyFrameVisitor* visitor) const { |
892 return visitor->VisitAltSvc(*this); | 877 return visitor->VisitAltSvc(*this); |
893 } | 878 } |
894 | 879 |
895 void SpdyPriorityIR::Visit(SpdyFrameVisitor* visitor) const { | 880 void SpdyPriorityIR::Visit(SpdyFrameVisitor* visitor) const { |
896 return visitor->VisitPriority(*this); | 881 return visitor->VisitPriority(*this); |
897 } | 882 } |
898 | 883 |
899 } // namespace net | 884 } // namespace net |
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