Sha256: 706375a4c755b8bb476f3224550986fbafd8d251d9bb813ad03d4a9d5980616c
Contents?: true
Size: 1.64 KB
Versions: 7
Compression:
Stored size: 1.64 KB
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.
#include <grpc/support/port_platform.h>
#include "src/core/ext/transport/chttp2/transport/hpack_utils.h"
#include "src/core/lib/surface/validate_metadata.h"
namespace grpc_core {
namespace {
size_t Base64EncodedSize(size_t raw_length) {
static constexpr uint8_t tail_xtra[3] = {0, 2, 3};
return raw_length / 3 * 4 + tail_xtra[raw_length % 3];
}
} // namespace
// Return the size occupied by some metadata in the HPACK table.
size_t MetadataSizeInHPackTable(grpc_mdelem elem,
bool use_true_binary_metadata) {
const uint8_t* key_buf = GRPC_SLICE_START_PTR(GRPC_MDKEY(elem));
size_t key_len = GRPC_SLICE_LENGTH(GRPC_MDKEY(elem));
size_t overhead_and_key = 32 + key_len;
size_t value_len = GRPC_SLICE_LENGTH(GRPC_MDVALUE(elem));
if (grpc_key_is_binary_header(key_buf, key_len)) {
return overhead_and_key + (use_true_binary_metadata
? value_len + 1
: Base64EncodedSize(value_len));
} else {
return overhead_and_key + value_len;
}
}
} // namespace grpc_core
Version data entries
7 entries across 7 versions & 2 rubygems