| // Copyright 2020 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. |
| |
| #ifndef QUICHE_HTTP2_HPACK_DECODER_HPACK_DECODING_ERROR_H_ |
| #define QUICHE_HTTP2_HPACK_DECODER_HPACK_DECODING_ERROR_H_ |
| |
| #include "absl/strings/string_view.h" |
| #include "quiche/common/platform/api/quiche_export.h" |
| |
| namespace http2 { |
| |
| enum class HpackDecodingError { |
| // No error detected so far. |
| kOk, |
| // Varint beyond implementation limit. |
| kIndexVarintError, |
| kNameLengthVarintError, |
| kValueLengthVarintError, |
| // String literal length exceeds buffer limit. |
| kNameTooLong, |
| kValueTooLong, |
| // Error in Huffman encoding. |
| kNameHuffmanError, |
| kValueHuffmanError, |
| // Next instruction should have been a dynamic table size update. |
| kMissingDynamicTableSizeUpdate, |
| // Invalid index in indexed header field representation. |
| kInvalidIndex, |
| // Invalid index in literal header field with indexed name representation. |
| kInvalidNameIndex, |
| // Dynamic table size update not allowed. |
| kDynamicTableSizeUpdateNotAllowed, |
| // Initial dynamic table size update is above low water mark. |
| kInitialDynamicTableSizeUpdateIsAboveLowWaterMark, |
| // Dynamic table size update is above acknowledged setting. |
| kDynamicTableSizeUpdateIsAboveAcknowledgedSetting, |
| // HPACK block ends in the middle of an instruction. |
| kTruncatedBlock, |
| // Incoming data fragment exceeds buffer limit. |
| kFragmentTooLong, |
| // Total compressed HPACK data size exceeds limit. |
| kCompressedHeaderSizeExceedsLimit, |
| }; |
| |
| QUICHE_EXPORT absl::string_view HpackDecodingErrorToString( |
| HpackDecodingError error); |
| |
| } // namespace http2 |
| |
| #endif // QUICHE_HTTP2_HPACK_DECODER_HPACK_DECODING_ERROR_H_ |