Index: net/http2/decoder/decode_http2_structures.cc |
diff --git a/net/http2/decoder/decode_http2_structures.cc b/net/http2/decoder/decode_http2_structures.cc |
deleted file mode 100644 |
index cd419e38bfbf1d41a42dfadaed2cd022739c7279..0000000000000000000000000000000000000000 |
--- a/net/http2/decoder/decode_http2_structures.cc |
+++ /dev/null |
@@ -1,355 +0,0 @@ |
-// Copyright 2016 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#include "net/http2/decoder/decode_http2_structures.h" |
- |
-#include <string.h> |
- |
-#include "base/logging.h" |
-#include "net/http2/decoder/decode_buffer.h" |
-#include "net/http2/http2_constants.h" |
- |
-namespace net { |
- |
-// Http2FrameHeader decoding: |
- |
-void DoDecode(Http2FrameHeader* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_LE(Http2FrameHeader::EncodedSize(), b->Remaining()); |
- out->payload_length = b->DecodeUInt24(); |
- out->type = static_cast<Http2FrameType>(b->DecodeUInt8()); |
- out->flags = static_cast<Http2FrameFlag>(b->DecodeUInt8()); |
- out->stream_id = b->DecodeUInt31(); |
-} |
- |
-bool MaybeDecode(Http2FrameHeader* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- if (b->Remaining() >= Http2FrameHeader::EncodedSize()) { |
- DoDecode(out, b); |
- return true; |
- } |
- return false; |
-} |
- |
-bool SlowDecode(Http2FrameHeader* out, DecodeBuffer* b, uint32_t* offset) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_NE(nullptr, offset); |
- DCHECK_GT(Http2FrameHeader::EncodedSize(), *offset); |
- if (b->SlowDecodeUInt24(0 /* field_offset */, offset, &out->payload_length) && |
- b->SlowDecodeEnum(1 /* field_size */, 3 /* field_offset */, offset, |
- &out->type) && |
- b->SlowDecodeEnum(1 /* field_size */, 4 /* field_offset */, offset, |
- &out->flags) && |
- b->SlowDecodeUInt31(5 /* field_offset */, offset, &out->stream_id)) { |
- DCHECK_EQ(Http2FrameHeader::EncodedSize(), *offset); |
- return true; |
- } |
- DCHECK_GT(Http2FrameHeader::EncodedSize(), *offset); |
- return false; |
-} |
- |
-// Http2PriorityFields decoding: |
- |
-void DoDecode(Http2PriorityFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_LE(Http2PriorityFields::EncodedSize(), b->Remaining()); |
- uint32_t stream_id_and_flag = b->DecodeUInt32(); |
- out->stream_dependency = stream_id_and_flag & StreamIdMask(); |
- if (out->stream_dependency == stream_id_and_flag) { |
- out->is_exclusive = false; |
- } else { |
- out->is_exclusive = true; |
- } |
- // Note that chars are automatically promoted to ints during arithmetic, |
- // so 255 + 1 doesn't end up as zero. |
- out->weight = b->DecodeUInt8() + 1; |
-} |
- |
-bool MaybeDecode(Http2PriorityFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- if (b->Remaining() >= Http2PriorityFields::EncodedSize()) { |
- DoDecode(out, b); |
- return true; |
- } |
- return false; |
-} |
- |
-bool SlowDecode(Http2PriorityFields* out, DecodeBuffer* b, uint32_t* offset) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_NE(nullptr, offset); |
- DCHECK_GT(Http2PriorityFields::EncodedSize(), *offset); |
- const uint32_t start_offset = *offset; |
- if (b->SlowDecodeUInt32(0 /* field_offset */, offset, |
- &out->stream_dependency) && |
- b->SlowDecodeUnsignedInt(1, // field_size |
- 4, // field_offset |
- offset, &out->weight)) { |
- DCHECK_EQ(Http2PriorityFields::EncodedSize(), *offset); |
- if (start_offset < *offset) { |
- // First time here. Extract is_exclusive from stream_dependency. |
- const uint32_t stream_id_only = out->stream_dependency & StreamIdMask(); |
- if (out->stream_dependency != stream_id_only) { |
- out->stream_dependency = stream_id_only; |
- out->is_exclusive = true; |
- } else { |
- out->is_exclusive = false; |
- } |
- // Need to add one to the weight field because the encoding is 0-255, but |
- // interpreted as 1-256. |
- ++(out->weight); |
- } |
- return true; |
- } |
- DCHECK_GT(Http2PriorityFields::EncodedSize(), *offset); |
- return false; |
-} |
- |
-// Http2RstStreamFields decoding: |
- |
-void DoDecode(Http2RstStreamFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_LE(Http2RstStreamFields::EncodedSize(), b->Remaining()); |
- out->error_code = static_cast<Http2ErrorCode>(b->DecodeUInt32()); |
-} |
- |
-bool MaybeDecode(Http2RstStreamFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- if (b->Remaining() >= Http2RstStreamFields::EncodedSize()) { |
- DoDecode(out, b); |
- return true; |
- } |
- return false; |
-} |
- |
-bool SlowDecode(Http2RstStreamFields* out, DecodeBuffer* b, uint32_t* offset) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_NE(nullptr, offset); |
- DCHECK_GT(Http2RstStreamFields::EncodedSize(), *offset); |
- |
- if (b->SlowDecodeEnum(4 /* field_size */, 0 /* field_offset */, offset, |
- &out->error_code)) { |
- DCHECK_EQ(Http2RstStreamFields::EncodedSize(), *offset); |
- return true; |
- } |
- DCHECK_GT(Http2RstStreamFields::EncodedSize(), *offset); |
- return false; |
-} |
- |
-// Http2SettingFields decoding: |
- |
-void DoDecode(Http2SettingFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_LE(Http2SettingFields::EncodedSize(), b->Remaining()); |
- out->parameter = static_cast<Http2SettingsParameter>(b->DecodeUInt16()); |
- out->value = b->DecodeUInt32(); |
-} |
- |
-bool MaybeDecode(Http2SettingFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- if (b->Remaining() >= Http2SettingFields::EncodedSize()) { |
- DoDecode(out, b); |
- return true; |
- } |
- return false; |
-} |
- |
-bool SlowDecode(Http2SettingFields* out, DecodeBuffer* b, uint32_t* offset) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_NE(nullptr, offset); |
- DCHECK_LT(*offset, Http2SettingFields::EncodedSize()); |
- |
- if (b->SlowDecodeEnum(2 /* field_size */, 0 /* field_offset */, offset, |
- &out->parameter) && |
- b->SlowDecodeUInt32(2 /* field_offset */, offset, &out->value)) { |
- DCHECK_EQ(Http2SettingFields::EncodedSize(), *offset); |
- return true; |
- } |
- DCHECK_LT(*offset, Http2SettingFields::EncodedSize()); |
- return false; |
-} |
- |
-// Http2PushPromiseFields decoding: |
- |
-void DoDecode(Http2PushPromiseFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_LE(Http2PushPromiseFields::EncodedSize(), b->Remaining()); |
- out->promised_stream_id = b->DecodeUInt31(); |
-} |
- |
-bool MaybeDecode(Http2PushPromiseFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- if (b->Remaining() >= Http2PushPromiseFields::EncodedSize()) { |
- DoDecode(out, b); |
- return true; |
- } |
- return false; |
-} |
- |
-bool SlowDecode(Http2PushPromiseFields* out, |
- DecodeBuffer* b, |
- uint32_t* offset) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_NE(nullptr, offset); |
- DCHECK_LT(*offset, Http2PushPromiseFields::EncodedSize()); |
- if (b->SlowDecodeUInt31(0 /* field_offset */, offset, |
- &out->promised_stream_id)) { |
- DCHECK_EQ(Http2PushPromiseFields::EncodedSize(), *offset); |
- return true; |
- } |
- DCHECK_LT(*offset, Http2PushPromiseFields::EncodedSize()); |
- return false; |
-} |
- |
-// Http2PingFields decoding: |
- |
-void DoDecode(Http2PingFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_LE(Http2PingFields::EncodedSize(), b->Remaining()); |
- memcpy(out->opaque_data, b->cursor(), Http2PingFields::EncodedSize()); |
- b->AdvanceCursor(Http2PingFields::EncodedSize()); |
-} |
- |
-bool MaybeDecode(Http2PingFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- if (b->Remaining() >= Http2PingFields::EncodedSize()) { |
- DoDecode(out, b); |
- return true; |
- } |
- return false; |
-} |
- |
-bool SlowDecode(Http2PingFields* out, DecodeBuffer* b, uint32_t* offset) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_NE(nullptr, offset); |
- DCHECK_LT(*offset, Http2PingFields::EncodedSize()); |
- while (*offset < Http2PingFields::EncodedSize()) { |
- if (b->Empty()) { |
- return false; |
- } |
- out->opaque_data[(*offset)++] = b->DecodeUInt8(); |
- } |
- return true; |
-} |
- |
-// Http2GoAwayFields decoding: |
- |
-void DoDecode(Http2GoAwayFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_LE(Http2GoAwayFields::EncodedSize(), b->Remaining()); |
- out->last_stream_id = b->DecodeUInt31(); |
- out->error_code = static_cast<Http2ErrorCode>(b->DecodeUInt32()); |
-} |
- |
-bool MaybeDecode(Http2GoAwayFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- if (b->Remaining() >= Http2GoAwayFields::EncodedSize()) { |
- DoDecode(out, b); |
- return true; |
- } |
- return false; |
-} |
- |
-bool SlowDecode(Http2GoAwayFields* out, DecodeBuffer* b, uint32_t* offset) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_NE(nullptr, offset); |
- DCHECK_LT(*offset, Http2GoAwayFields::EncodedSize()); |
- if (b->SlowDecodeUInt31(0 /* field_offset */, offset, &out->last_stream_id) && |
- b->SlowDecodeEnum(4 /* field_size */, 4 /* field_offset */, offset, |
- &out->error_code)) { |
- DCHECK_EQ(Http2GoAwayFields::EncodedSize(), *offset); |
- return true; |
- } |
- DCHECK_LT(*offset, Http2GoAwayFields::EncodedSize()); |
- return false; |
-} |
- |
-// Http2WindowUpdateFields decoding: |
- |
-void DoDecode(Http2WindowUpdateFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_LE(Http2WindowUpdateFields::EncodedSize(), b->Remaining()); |
- out->window_size_increment = b->DecodeUInt31(); |
-} |
- |
-bool MaybeDecode(Http2WindowUpdateFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- if (b->Remaining() >= Http2WindowUpdateFields::EncodedSize()) { |
- DoDecode(out, b); |
- return true; |
- } |
- return false; |
-} |
- |
-bool SlowDecode(Http2WindowUpdateFields* out, |
- DecodeBuffer* b, |
- uint32_t* offset) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_NE(nullptr, offset); |
- DCHECK_LT(*offset, Http2WindowUpdateFields::EncodedSize()); |
- if (b->SlowDecodeUInt31(0 /* field_offset */, offset, |
- &out->window_size_increment)) { |
- DCHECK_EQ(Http2WindowUpdateFields::EncodedSize(), *offset); |
- return true; |
- } |
- DCHECK_LT(*offset, Http2WindowUpdateFields::EncodedSize()); |
- return false; |
-} |
- |
-// Http2AltSvcFields decoding: |
- |
-void DoDecode(Http2AltSvcFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_LE(Http2AltSvcFields::EncodedSize(), b->Remaining()); |
- out->origin_length = b->DecodeUInt16(); |
-} |
- |
-bool MaybeDecode(Http2AltSvcFields* out, DecodeBuffer* b) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- if (b->Remaining() >= Http2AltSvcFields::EncodedSize()) { |
- DoDecode(out, b); |
- return true; |
- } |
- return false; |
-} |
- |
-bool SlowDecode(Http2AltSvcFields* out, DecodeBuffer* b, uint32_t* offset) { |
- DCHECK_NE(nullptr, out); |
- DCHECK_NE(nullptr, b); |
- DCHECK_NE(nullptr, offset); |
- DCHECK_LT(*offset, Http2AltSvcFields::EncodedSize()); |
- if (b->SlowDecodeUInt16(0 /* field_offset */, offset, &out->origin_length)) { |
- DCHECK_EQ(Http2AltSvcFields::EncodedSize(), *offset); |
- return true; |
- } |
- DCHECK_LT(*offset, Http2AltSvcFields::EncodedSize()); |
- return false; |
-} |
- |
-} // namespace net |