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_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H 20 #define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H 21 22 #include <grpc/support/port_platform.h> 23 24 #include <grpc/slice.h> 25 #include "src/core/ext/transport/chttp2/transport/frame.h" 26 27 typedef struct { 28 uint8_t byte; 29 uint8_t is_ack; 30 uint64_t opaque_8bytes; 31 } grpc_chttp2_ping_parser; 32 33 grpc_slice grpc_chttp2_ping_create(uint8_t ack, uint64_t opaque_8bytes); 34 35 grpc_error* grpc_chttp2_ping_parser_begin_frame(grpc_chttp2_ping_parser* parser, 36 uint32_t length, uint8_t flags); 37 grpc_error* grpc_chttp2_ping_parser_parse(void* parser, 38 grpc_chttp2_transport* t, 39 grpc_chttp2_stream* s, 40 grpc_slice slice, int is_last); 41 42 /* Test-only function for disabling ping ack */ 43 void grpc_set_disable_ping_ack(bool disable_ping_ack); 44 45 #endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H */ 46