86 lines
3.3 KiB
C++
86 lines
3.3 KiB
C++
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/*
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* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "net/dcsctp/packet/chunk/chunk.h"
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#include <cstdint>
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#include <memory>
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#include <utility>
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#include "absl/types/optional.h"
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#include "api/array_view.h"
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#include "net/dcsctp/common/math.h"
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#include "net/dcsctp/packet/chunk/abort_chunk.h"
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#include "net/dcsctp/packet/chunk/cookie_ack_chunk.h"
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#include "net/dcsctp/packet/chunk/cookie_echo_chunk.h"
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#include "net/dcsctp/packet/chunk/data_chunk.h"
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#include "net/dcsctp/packet/chunk/error_chunk.h"
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#include "net/dcsctp/packet/chunk/forward_tsn_chunk.h"
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#include "net/dcsctp/packet/chunk/heartbeat_ack_chunk.h"
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#include "net/dcsctp/packet/chunk/heartbeat_request_chunk.h"
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#include "net/dcsctp/packet/chunk/idata_chunk.h"
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#include "net/dcsctp/packet/chunk/iforward_tsn_chunk.h"
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#include "net/dcsctp/packet/chunk/init_ack_chunk.h"
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#include "net/dcsctp/packet/chunk/init_chunk.h"
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#include "net/dcsctp/packet/chunk/reconfig_chunk.h"
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#include "net/dcsctp/packet/chunk/sack_chunk.h"
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#include "net/dcsctp/packet/chunk/shutdown_ack_chunk.h"
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#include "net/dcsctp/packet/chunk/shutdown_chunk.h"
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#include "net/dcsctp/packet/chunk/shutdown_complete_chunk.h"
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#include "net/dcsctp/packet/tlv_trait.h"
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namespace dcsctp {
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template <class Chunk>
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bool ParseAndPrint(uint8_t chunk_type,
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rtc::ArrayView<const uint8_t> data,
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rtc::StringBuilder& sb) {
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if (chunk_type == Chunk::kType) {
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absl::optional<Chunk> c = Chunk::Parse(data);
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if (c.has_value()) {
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sb << c->ToString();
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} else {
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sb << "Failed to parse chunk of type " << chunk_type;
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}
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return true;
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}
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return false;
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}
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std::string DebugConvertChunkToString(rtc::ArrayView<const uint8_t> data) {
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rtc::StringBuilder sb;
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if (data.empty()) {
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sb << "Failed to parse chunk due to empty data";
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} else {
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uint8_t chunk_type = data[0];
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if (!ParseAndPrint<DataChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<InitChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<InitAckChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<SackChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<HeartbeatRequestChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<HeartbeatAckChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<AbortChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<ErrorChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<CookieEchoChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<CookieAckChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<ShutdownChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<ShutdownAckChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<ShutdownCompleteChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<ReConfigChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<ForwardTsnChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<IDataChunk>(chunk_type, data, sb) &&
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!ParseAndPrint<IForwardTsnChunk>(chunk_type, data, sb)) {
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sb << "Unhandled chunk type: " << static_cast<int>(chunk_type);
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}
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}
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return sb.Release();
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}
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} // namespace dcsctp
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