| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_H |
| #define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_H |
| |
| #include <grpc/support/port_platform.h> |
| #include <grpc/support/slice.h> |
| |
| /* Common definitions for frame handling in the chttp2 transport */ |
| |
| typedef enum { |
| GRPC_CHTTP2_PARSE_OK, |
| GRPC_CHTTP2_STREAM_ERROR, |
| GRPC_CHTTP2_CONNECTION_ERROR |
| } grpc_chttp2_parse_error; |
| |
| #if 0 |
| typedef struct { |
| gpr_uint8 end_of_stream; |
| gpr_uint8 need_flush_reads; |
| gpr_uint8 metadata_boundary; |
| gpr_uint8 ack_settings; |
| gpr_uint8 send_ping_ack; |
| gpr_uint8 process_ping_reply; |
| gpr_uint8 goaway; |
| gpr_uint8 rst_stream; |
| |
| gpr_int64 initial_window_update; |
| gpr_uint32 window_update; |
| gpr_uint32 goaway_last_stream_index; |
| gpr_uint32 goaway_error; |
| gpr_slice goaway_text; |
| gpr_uint32 rst_stream_reason; |
| } grpc_chttp2_parse_state; |
| #endif |
| |
| /* defined in internal.h */ |
| typedef struct grpc_chttp2_stream_parsing grpc_chttp2_stream_parsing; |
| typedef struct grpc_chttp2_transport_parsing grpc_chttp2_transport_parsing; |
| |
| #define GRPC_CHTTP2_FRAME_DATA 0 |
| #define GRPC_CHTTP2_FRAME_HEADER 1 |
| #define GRPC_CHTTP2_FRAME_CONTINUATION 9 |
| #define GRPC_CHTTP2_FRAME_RST_STREAM 3 |
| #define GRPC_CHTTP2_FRAME_SETTINGS 4 |
| #define GRPC_CHTTP2_FRAME_PING 6 |
| #define GRPC_CHTTP2_FRAME_GOAWAY 7 |
| #define GRPC_CHTTP2_FRAME_WINDOW_UPDATE 8 |
| |
| #define GRPC_CHTTP2_MAX_PAYLOAD_LENGTH ((1 << 14) - 1) |
| |
| #define GRPC_CHTTP2_DATA_FLAG_END_STREAM 1 |
| #define GRPC_CHTTP2_FLAG_ACK 1 |
| #define GRPC_CHTTP2_DATA_FLAG_END_HEADERS 4 |
| #define GRPC_CHTTP2_DATA_FLAG_PADDED 8 |
| #define GRPC_CHTTP2_FLAG_HAS_PRIORITY 0x20 |
| |
| #endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_H */ |