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_SRC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H
20 #define GRPC_SRC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H
21 
22 #include <grpc/support/port_platform.h>
23 
24 #include <stdint.h>
25 
26 #include <grpc/slice.h>
27 
28 #include "src/core/ext/transport/chttp2/transport/frame.h"
29 #include "src/core/lib/iomgr/error.h"
30 
31 struct grpc_chttp2_ping_parser {
32   uint8_t byte;
33   uint8_t is_ack;
34   uint64_t opaque_8bytes;
35 };
36 grpc_slice grpc_chttp2_ping_create(uint8_t ack, uint64_t opaque_8bytes);
37 
38 grpc_error_handle grpc_chttp2_ping_parser_begin_frame(
39     grpc_chttp2_ping_parser* parser, uint32_t length, uint8_t flags);
40 grpc_error_handle grpc_chttp2_ping_parser_parse(void* parser,
41                                                 grpc_chttp2_transport* t,
42                                                 grpc_chttp2_stream* s,
43                                                 const grpc_slice& slice,
44                                                 int is_last);
45 
46 #endif  // GRPC_SRC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_PING_H
47