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 #ifndef GRPC_BYTE_BUFFER_READER_H 20 #define GRPC_BYTE_BUFFER_READER_H 21 22 #include <grpc/support/port_platform.h> 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 struct grpc_byte_buffer; 29 30 struct grpc_byte_buffer_reader { 31 struct grpc_byte_buffer* buffer_in; 32 struct grpc_byte_buffer* buffer_out; 33 /** Different current objects correspond to different types of byte buffers */ 34 union grpc_byte_buffer_reader_current { 35 /** Index into a slice buffer's array of slices */ 36 unsigned index; 37 } current; 38 }; 39 40 #ifdef __cplusplus 41 } 42 #endif 43 44 #endif /* GRPC_BYTE_BUFFER_READER_H */ 45