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Nicolas Nobleb7ebd3b2014-11-26 16:33:03 -08001/*
2 *
David Garcia Quintas3598d442016-03-15 14:53:05 -07003 * Copyright 2015-2016, Google Inc.
Nicolas Nobleb7ebd3b2014-11-26 16:33:03 -08004 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following disclaimer
14 * in the documentation and/or other materials provided with the
15 * distribution.
16 * * Neither the name of Google Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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31 *
32 */
33
Craig Tiller9a4dddd2016-03-25 17:08:13 -070034#ifndef GRPC_CORE_LIB_TRANSPORT_CHTTP2_FRAME_H
35#define GRPC_CORE_LIB_TRANSPORT_CHTTP2_FRAME_H
Nicolas Nobleb7ebd3b2014-11-26 16:33:03 -080036
37#include <grpc/support/port_platform.h>
nnoble0c475f02014-12-05 15:37:39 -080038#include <grpc/support/slice.h>
Nicolas Nobleb7ebd3b2014-11-26 16:33:03 -080039
40/* Common definitions for frame handling in the chttp2 transport */
41
42typedef enum {
43 GRPC_CHTTP2_PARSE_OK,
44 GRPC_CHTTP2_STREAM_ERROR,
45 GRPC_CHTTP2_CONNECTION_ERROR
46} grpc_chttp2_parse_error;
47
Craig Tillerd20efd22015-06-12 16:17:09 -070048/* defined in internal.h */
49typedef struct grpc_chttp2_stream_parsing grpc_chttp2_stream_parsing;
50typedef struct grpc_chttp2_transport_parsing grpc_chttp2_transport_parsing;
Nicolas Nobleb7ebd3b2014-11-26 16:33:03 -080051
52#define GRPC_CHTTP2_FRAME_DATA 0
53#define GRPC_CHTTP2_FRAME_HEADER 1
54#define GRPC_CHTTP2_FRAME_CONTINUATION 9
55#define GRPC_CHTTP2_FRAME_RST_STREAM 3
56#define GRPC_CHTTP2_FRAME_SETTINGS 4
57#define GRPC_CHTTP2_FRAME_PING 6
nnoble0c475f02014-12-05 15:37:39 -080058#define GRPC_CHTTP2_FRAME_GOAWAY 7
Nicolas Nobleb7ebd3b2014-11-26 16:33:03 -080059#define GRPC_CHTTP2_FRAME_WINDOW_UPDATE 8
60
61#define GRPC_CHTTP2_MAX_PAYLOAD_LENGTH ((1 << 14) - 1)
62
63#define GRPC_CHTTP2_DATA_FLAG_END_STREAM 1
64#define GRPC_CHTTP2_FLAG_ACK 1
65#define GRPC_CHTTP2_DATA_FLAG_END_HEADERS 4
66#define GRPC_CHTTP2_DATA_FLAG_PADDED 8
67#define GRPC_CHTTP2_FLAG_HAS_PRIORITY 0x20
68
Craig Tiller9a4dddd2016-03-25 17:08:13 -070069#endif /* GRPC_CORE_LIB_TRANSPORT_CHTTP2_FRAME_H */