The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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76 lines
2.5 KiB
76 lines
2.5 KiB
/* |
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include <grpc/byte_buffer_reader.h> |
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#include <grpc++/byte_buffer.h> |
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namespace grpc { |
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ByteBuffer::ByteBuffer(Slice* slices, size_t nslices) { |
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// TODO(yangg) maybe expose some core API to simplify this |
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std::vector<gpr_slice> c_slices(nslices); |
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for (size_t i = 0; i < nslices; i++) { |
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c_slices[i] = slices[i].slice_; |
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} |
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buffer_ = grpc_raw_byte_buffer_create(c_slices.data(), nslices); |
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} |
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void ByteBuffer::Clear() { |
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if (buffer_) { |
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grpc_byte_buffer_destroy(buffer_); |
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buffer_ = nullptr; |
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} |
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} |
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void ByteBuffer::Dump(std::vector<Slice>* slices) { |
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slices->clear(); |
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if (!buffer_) { |
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return; |
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} |
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grpc_byte_buffer_reader reader; |
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grpc_byte_buffer_reader_init(&reader,buffer_); |
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gpr_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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} |
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size_t ByteBuffer::Length() { |
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if (buffer_) { |
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return grpc_byte_buffer_length(buffer_); |
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} else { |
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return 0; |
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} |
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} |
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} // namespace grpc
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