| // 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. |
| |
| #ifndef QUICHE_HTTP2_HPACK_HTTP2_HPACK_CONSTANTS_H_ |
| #define QUICHE_HTTP2_HPACK_HTTP2_HPACK_CONSTANTS_H_ |
| |
| // Enum HpackEntryType identifies the 5 basic types of HPACK Block Entries. |
| // |
| // See the spec for details: |
| // https://http2.github.io/http2-spec/compression.html#rfc.section.6 |
| |
| #include <ostream> |
| #include <string> |
| |
| #include "net/third_party/quiche/src/http2/platform/api/http2_export.h" |
| |
| namespace http2 { |
| |
| const size_t kFirstDynamicTableIndex = 62; |
| |
| enum class HpackEntryType { |
| // Entry is an index into the static or dynamic table. Decoding it has no |
| // effect on the dynamic table. |
| kIndexedHeader, |
| |
| // The entry contains a literal value. The name may be either a literal or a |
| // reference to an entry in the static or dynamic table. |
| // The entry is added to the dynamic table after decoding. |
| kIndexedLiteralHeader, |
| |
| // The entry contains a literal value. The name may be either a literal or a |
| // reference to an entry in the static or dynamic table. |
| // The entry is not added to the dynamic table after decoding, but a proxy |
| // may choose to insert the entry into its dynamic table when forwarding |
| // to another endpoint. |
| kUnindexedLiteralHeader, |
| |
| // The entry contains a literal value. The name may be either a literal or a |
| // reference to an entry in the static or dynamic table. |
| // The entry is not added to the dynamic table after decoding, and a proxy |
| // must NOT insert the entry into its dynamic table when forwarding to another |
| // endpoint. |
| kNeverIndexedLiteralHeader, |
| |
| // Entry conveys the size limit of the dynamic table of the encoder to |
| // the decoder. May be used to flush the table by sending a zero and then |
| // resetting the size back up to the maximum that the encoder will use |
| // (within the limits of SETTINGS_HEADER_TABLE_SIZE sent by the |
| // decoder to the encoder, with the default of 4096 assumed). |
| kDynamicTableSizeUpdate, |
| }; |
| |
| // Returns the name of the enum member. |
| HTTP2_EXPORT_PRIVATE std::string HpackEntryTypeToString(HpackEntryType v); |
| |
| // Inserts the name of the enum member into |out|. |
| HTTP2_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& out, |
| HpackEntryType v); |
| |
| } // namespace http2 |
| |
| #endif // QUICHE_HTTP2_HPACK_HTTP2_HPACK_CONSTANTS_H_ |