| /* | |
| * | |
| * Copyright 2015-2016, Google Inc. | |
| * All rights reserved. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions are | |
| * met: | |
| * | |
| * * Redistributions of source code must retain the above copyright | |
| * notice, this list of conditions and the following disclaimer. | |
| * * Redistributions in binary form must reproduce the above | |
| * copyright notice, this list of conditions and the following disclaimer | |
| * in the documentation and/or other materials provided with the | |
| * distribution. | |
| * * Neither the name of Google Inc. nor the names of its | |
| * contributors may be used to endorse or promote products derived from | |
| * this software without specific prior written permission. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| * | |
| */ | |
| #include <grpc++/support/byte_buffer.h> | |
| #include <grpc/byte_buffer_reader.h> | |
| namespace grpc { | |
| ByteBuffer::ByteBuffer(const Slice* slices, size_t nslices) { | |
| // TODO(yangg) maybe expose some core API to simplify this | |
| std::vector<gpr_slice> c_slices(nslices); | |
| for (size_t i = 0; i < nslices; i++) { | |
| c_slices[i] = slices[i].slice_; | |
| } | |
| buffer_ = grpc_raw_byte_buffer_create(c_slices.data(), nslices); | |
| } | |
| ByteBuffer::~ByteBuffer() { | |
| if (buffer_) { | |
| grpc_byte_buffer_destroy(buffer_); | |
| } | |
| } | |
| void ByteBuffer::Clear() { | |
| if (buffer_) { | |
| grpc_byte_buffer_destroy(buffer_); | |
| buffer_ = nullptr; | |
| } | |
| } | |
| void ByteBuffer::Dump(std::vector<Slice>* slices) const { | |
| slices->clear(); | |
| if (!buffer_) { | |
| return; | |
| } | |
| grpc_byte_buffer_reader reader; | |
| grpc_byte_buffer_reader_init(&reader, buffer_); | |
| gpr_slice s; | |
| while (grpc_byte_buffer_reader_next(&reader, &s)) { | |
| slices->push_back(Slice(s, Slice::STEAL_REF)); | |
| } | |
| grpc_byte_buffer_reader_destroy(&reader); | |
| } | |
| size_t ByteBuffer::Length() const { | |
| if (buffer_) { | |
| return grpc_byte_buffer_length(buffer_); | |
| } else { | |
| return 0; | |
| } | |
| } | |
| ByteBuffer::ByteBuffer(const ByteBuffer& buf) | |
| : buffer_(grpc_byte_buffer_copy(buf.buffer_)) {} | |
| ByteBuffer& ByteBuffer::operator=(const ByteBuffer& buf) { | |
| Clear(); // first remove existing data | |
| if (buf.buffer_) { | |
| buffer_ = grpc_byte_buffer_copy(buf.buffer_); // then copy | |
| } | |
| return *this; | |
| } | |
| } // namespace grpc |