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Contents
// Copyright 2021 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_CONSTANTS_H
#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_CONSTANTS_H
#include <grpc/support/port_platform.h>
#include <cstddef>
#include <cstdint>
namespace grpc_core {
namespace hpack_constants {
// Per entry overhead bytes as per the spec
static constexpr uint32_t kEntryOverhead = 32;
// Initial table size as per the spec
static constexpr uint32_t kInitialTableSize = 4096;
// last index in the static table
static constexpr uint32_t kLastStaticEntry = 61;
static constexpr uint32_t EntriesForBytes(uint32_t bytes) noexcept {
return (bytes + kEntryOverhead - 1) / kEntryOverhead;
}
static constexpr size_t SizeForEntry(size_t key_length,
size_t value_length) noexcept {
return key_length + value_length + kEntryOverhead;
}
static constexpr uint32_t kInitialTableEntries =
EntriesForBytes(kInitialTableSize);
} // namespace hpack_constants
} // namespace grpc_core
#endif // GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_HPACK_CONSTANTS_H
Version data entries
17 entries across 17 versions & 2 rubygems