1 /* 2 * 3 * Copyright 2015 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #include <grpc/byte_buffer.h> 20 #include <grpc/byte_buffer_reader.h> 21 #include <grpcpp/impl/grpc_library.h> 22 #include <grpcpp/support/byte_buffer.h> 23 24 namespace grpc { 25 26 static internal::GrpcLibraryInitializer g_gli_initializer; 27 Dump(std::vector<Slice> * slices) const28Status ByteBuffer::Dump(std::vector<Slice>* slices) const { 29 slices->clear(); 30 if (!buffer_) { 31 return Status(StatusCode::FAILED_PRECONDITION, "Buffer not initialized"); 32 } 33 grpc_byte_buffer_reader reader; 34 if (!grpc_byte_buffer_reader_init(&reader, buffer_)) { 35 return Status(StatusCode::INTERNAL, 36 "Couldn't initialize byte buffer reader"); 37 } 38 grpc_slice s; 39 while (grpc_byte_buffer_reader_next(&reader, &s)) { 40 slices->push_back(Slice(s, Slice::STEAL_REF)); 41 } 42 grpc_byte_buffer_reader_destroy(&reader); 43 return Status::OK; 44 } 45 ByteBuffer(const ByteBuffer & buf)46ByteBuffer::ByteBuffer(const ByteBuffer& buf) : buffer_(nullptr) { 47 operator=(buf); 48 } 49 operator =(const ByteBuffer & buf)50ByteBuffer& ByteBuffer::operator=(const ByteBuffer& buf) { 51 if (this != &buf) { 52 Clear(); // first remove existing data 53 } 54 if (buf.buffer_) { 55 buffer_ = grpc_byte_buffer_copy(buf.buffer_); // then copy 56 } 57 return *this; 58 } 59 60 } // namespace grpc 61