82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
//
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//
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// Copyright 2015 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//
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#include <vector>
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#include <grpc/byte_buffer.h>
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#include <grpc/byte_buffer_reader.h>
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#include <grpc/grpc.h>
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#include <grpc/impl/compression_types.h>
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#include <grpc/slice.h>
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#include <grpcpp/support/byte_buffer.h>
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#include <grpcpp/support/slice.h>
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#include <grpcpp/support/status.h>
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namespace grpc {
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Status ByteBuffer::TrySingleSlice(Slice* slice) const {
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if (!buffer_) {
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return Status(StatusCode::FAILED_PRECONDITION, "Buffer not initialized");
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}
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if ((buffer_->type == GRPC_BB_RAW) &&
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(buffer_->data.raw.compression == GRPC_COMPRESS_NONE) &&
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(buffer_->data.raw.slice_buffer.count == 1)) {
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grpc_slice internal_slice = buffer_->data.raw.slice_buffer.slices[0];
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*slice = Slice(internal_slice, Slice::ADD_REF);
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return Status::OK;
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} else {
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return Status(StatusCode::FAILED_PRECONDITION,
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"Buffer isn't made up of a single uncompressed slice.");
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}
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}
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Status ByteBuffer::DumpToSingleSlice(Slice* slice) const {
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if (!buffer_) {
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return Status(StatusCode::FAILED_PRECONDITION, "Buffer not initialized");
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}
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grpc_byte_buffer_reader reader;
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if (!grpc_byte_buffer_reader_init(&reader, buffer_)) {
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return Status(StatusCode::INTERNAL,
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"Couldn't initialize byte buffer reader");
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}
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grpc_slice s = grpc_byte_buffer_reader_readall(&reader);
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*slice = Slice(s, Slice::STEAL_REF);
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grpc_byte_buffer_reader_destroy(&reader);
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return Status::OK;
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}
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Status ByteBuffer::Dump(std::vector<Slice>* slices) const {
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slices->clear();
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if (!buffer_) {
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return Status(StatusCode::FAILED_PRECONDITION, "Buffer not initialized");
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}
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grpc_byte_buffer_reader reader;
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if (!grpc_byte_buffer_reader_init(&reader, buffer_)) {
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return Status(StatusCode::INTERNAL,
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"Couldn't initialize byte buffer reader");
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}
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grpc_slice s;
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while (grpc_byte_buffer_reader_next(&reader, &s)) {
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slices->push_back(Slice(s, Slice::STEAL_REF));
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}
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grpc_byte_buffer_reader_destroy(&reader);
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return Status::OK;
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}
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} // namespace grpc
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