Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
David Garcia Quintas | 3598d44 | 2016-03-15 14:53:05 -0700 | [diff] [blame] | 3 | * Copyright 2015-2016, Google Inc. |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 4 | * 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, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
Craig Tiller | 9a4dddd | 2016-03-25 17:08:13 -0700 | [diff] [blame] | 34 | #ifndef GRPC_CORE_LIB_TRANSPORT_CHTTP2_FRAME_H |
| 35 | #define GRPC_CORE_LIB_TRANSPORT_CHTTP2_FRAME_H |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 36 | |
| 37 | #include <grpc/support/port_platform.h> |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 38 | #include <grpc/support/slice.h> |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 39 | |
| 40 | /* Common definitions for frame handling in the chttp2 transport */ |
| 41 | |
| 42 | typedef enum { |
| 43 | GRPC_CHTTP2_PARSE_OK, |
| 44 | GRPC_CHTTP2_STREAM_ERROR, |
| 45 | GRPC_CHTTP2_CONNECTION_ERROR |
| 46 | } grpc_chttp2_parse_error; |
| 47 | |
Craig Tiller | d20efd2 | 2015-06-12 16:17:09 -0700 | [diff] [blame] | 48 | /* defined in internal.h */ |
| 49 | typedef struct grpc_chttp2_stream_parsing grpc_chttp2_stream_parsing; |
| 50 | typedef struct grpc_chttp2_transport_parsing grpc_chttp2_transport_parsing; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 51 | |
| 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 |
nnoble | 0c475f0 | 2014-12-05 15:37:39 -0800 | [diff] [blame] | 58 | #define GRPC_CHTTP2_FRAME_GOAWAY 7 |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 59 | #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 Tiller | 9a4dddd | 2016-03-25 17:08:13 -0700 | [diff] [blame] | 69 | #endif /* GRPC_CORE_LIB_TRANSPORT_CHTTP2_FRAME_H */ |