Index: net/http2/decoder/payload_decoders/altsvc_payload_decoder.cc |
diff --git a/net/http2/decoder/payload_decoders/altsvc_payload_decoder.cc b/net/http2/decoder/payload_decoders/altsvc_payload_decoder.cc |
deleted file mode 100644 |
index fe0e8c274aadc637b05aa923e646b28cc3462b24..0000000000000000000000000000000000000000 |
--- a/net/http2/decoder/payload_decoders/altsvc_payload_decoder.cc |
+++ /dev/null |
@@ -1,143 +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/payload_decoders/altsvc_payload_decoder.h" |
- |
-#include <stddef.h> |
- |
-#include "base/logging.h" |
-#include "base/macros.h" |
-#include "net/http2/decoder/decode_buffer.h" |
-#include "net/http2/decoder/http2_frame_decoder_listener.h" |
-#include "net/http2/http2_constants.h" |
-#include "net/http2/http2_structures.h" |
-#include "net/http2/tools/http2_bug_tracker.h" |
- |
-namespace net { |
- |
-std::ostream& operator<<(std::ostream& out, |
- AltSvcPayloadDecoder::PayloadState v) { |
- switch (v) { |
- case AltSvcPayloadDecoder::PayloadState::kStartDecodingStruct: |
- return out << "kStartDecodingStruct"; |
- case AltSvcPayloadDecoder::PayloadState::kMaybeDecodedStruct: |
- return out << "kMaybeDecodedStruct"; |
- case AltSvcPayloadDecoder::PayloadState::kDecodingStrings: |
- return out << "kDecodingStrings"; |
- case AltSvcPayloadDecoder::PayloadState::kResumeDecodingStruct: |
- return out << "kResumeDecodingStruct"; |
- } |
- return out << static_cast<int>(v); |
-} |
- |
-DecodeStatus AltSvcPayloadDecoder::StartDecodingPayload( |
- FrameDecoderState* state, |
- DecodeBuffer* db) { |
- DVLOG(2) << "AltSvcPayloadDecoder::StartDecodingPayload: " |
- << state->frame_header(); |
- DCHECK_EQ(Http2FrameType::ALTSVC, state->frame_header().type); |
- DCHECK_LE(db->Remaining(), state->frame_header().payload_length); |
- DCHECK_EQ(0, state->frame_header().flags); |
- |
- state->InitializeRemainders(); |
- payload_state_ = PayloadState::kStartDecodingStruct; |
- |
- return ResumeDecodingPayload(state, db); |
-} |
- |
-DecodeStatus AltSvcPayloadDecoder::ResumeDecodingPayload( |
- FrameDecoderState* state, |
- DecodeBuffer* db) { |
- const Http2FrameHeader& frame_header = state->frame_header(); |
- DVLOG(2) << "AltSvcPayloadDecoder::ResumeDecodingPayload: " << frame_header; |
- DCHECK_EQ(Http2FrameType::ALTSVC, frame_header.type); |
- DCHECK_LE(state->remaining_payload(), frame_header.payload_length); |
- DCHECK_LE(db->Remaining(), state->remaining_payload()); |
- DCHECK_NE(PayloadState::kMaybeDecodedStruct, payload_state_); |
- // |status| has to be initialized to some value to avoid compiler error in |
- // case PayloadState::kMaybeDecodedStruct below, but value does not matter, |
- // see DCHECK_NE above. |
- DecodeStatus status = DecodeStatus::kDecodeError; |
- while (true) { |
- DVLOG(2) << "AltSvcPayloadDecoder::ResumeDecodingPayload payload_state_=" |
- << payload_state_; |
- switch (payload_state_) { |
- case PayloadState::kStartDecodingStruct: |
- status = state->StartDecodingStructureInPayload(&altsvc_fields_, db); |
- // FALLTHROUGH_INTENDED |
- |
- case PayloadState::kMaybeDecodedStruct: |
- if (status == DecodeStatus::kDecodeDone && |
- altsvc_fields_.origin_length <= state->remaining_payload()) { |
- size_t origin_length = altsvc_fields_.origin_length; |
- size_t value_length = state->remaining_payload() - origin_length; |
- state->listener()->OnAltSvcStart(frame_header, origin_length, |
- value_length); |
- } else if (status != DecodeStatus::kDecodeDone) { |
- DCHECK(state->remaining_payload() > 0 || |
- status == DecodeStatus::kDecodeError) |
- << "\nremaining_payload: " << state->remaining_payload() |
- << "\nstatus: " << status << "\nheader: " << frame_header; |
- // Assume in progress. |
- payload_state_ = PayloadState::kResumeDecodingStruct; |
- return status; |
- } else { |
- // The origin's length is longer than the remaining payload. |
- DCHECK_GT(altsvc_fields_.origin_length, state->remaining_payload()); |
- return state->ReportFrameSizeError(); |
- } |
- // FALLTHROUGH_INTENDED |
- |
- case PayloadState::kDecodingStrings: |
- return DecodeStrings(state, db); |
- |
- case PayloadState::kResumeDecodingStruct: |
- status = state->ResumeDecodingStructureInPayload(&altsvc_fields_, db); |
- payload_state_ = PayloadState::kMaybeDecodedStruct; |
- continue; |
- } |
- HTTP2_BUG << "PayloadState: " << payload_state_; |
- } |
-} |
- |
-DecodeStatus AltSvcPayloadDecoder::DecodeStrings(FrameDecoderState* state, |
- DecodeBuffer* db) { |
- DVLOG(2) << "AltSvcPayloadDecoder::DecodeStrings remaining_payload=" |
- << state->remaining_payload() |
- << ", db->Remaining=" << db->Remaining(); |
- // Note that we don't explicitly keep track of exactly how far through the |
- // origin; instead we compute it from how much is left of the original |
- // payload length and the decoded total length of the origin. |
- size_t origin_length = altsvc_fields_.origin_length; |
- size_t value_length = state->frame_header().payload_length - origin_length - |
- Http2AltSvcFields::EncodedSize(); |
- if (state->remaining_payload() > value_length) { |
- size_t remaining_origin_length = state->remaining_payload() - value_length; |
- size_t avail = db->MinLengthRemaining(remaining_origin_length); |
- state->listener()->OnAltSvcOriginData(db->cursor(), avail); |
- db->AdvanceCursor(avail); |
- state->ConsumePayload(avail); |
- if (remaining_origin_length > avail) { |
- payload_state_ = PayloadState::kDecodingStrings; |
- return DecodeStatus::kDecodeInProgress; |
- } |
- } |
- // All that is left is the value string. |
- DCHECK_LE(state->remaining_payload(), value_length); |
- DCHECK_LE(db->Remaining(), state->remaining_payload()); |
- if (db->HasData()) { |
- size_t avail = db->Remaining(); |
- state->listener()->OnAltSvcValueData(db->cursor(), avail); |
- db->AdvanceCursor(avail); |
- state->ConsumePayload(avail); |
- } |
- if (state->remaining_payload() == 0) { |
- state->listener()->OnAltSvcEnd(); |
- return DecodeStatus::kDecodeDone; |
- } |
- payload_state_ = PayloadState::kDecodingStrings; |
- return DecodeStatus::kDecodeInProgress; |
-} |
- |
-} // namespace net |