| /* |
| * |
| * Copyright 2015-2016, 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_CORE_TRANSPORT_CHTTP2_FRAME_GOAWAY_H |
| #define GRPC_CORE_TRANSPORT_CHTTP2_FRAME_GOAWAY_H |
| |
| #include <grpc/support/port_platform.h> |
| #include <grpc/support/slice.h> |
| #include <grpc/support/slice_buffer.h> |
| #include "src/core/iomgr/exec_ctx.h" |
| #include "src/core/transport/chttp2/frame.h" |
| |
| typedef enum { |
| GRPC_CHTTP2_GOAWAY_LSI0, |
| GRPC_CHTTP2_GOAWAY_LSI1, |
| GRPC_CHTTP2_GOAWAY_LSI2, |
| GRPC_CHTTP2_GOAWAY_LSI3, |
| GRPC_CHTTP2_GOAWAY_ERR0, |
| GRPC_CHTTP2_GOAWAY_ERR1, |
| GRPC_CHTTP2_GOAWAY_ERR2, |
| GRPC_CHTTP2_GOAWAY_ERR3, |
| GRPC_CHTTP2_GOAWAY_DEBUG |
| } grpc_chttp2_goaway_parse_state; |
| |
| typedef struct { |
| grpc_chttp2_goaway_parse_state state; |
| uint32_t last_stream_id; |
| uint32_t error_code; |
| char *debug_data; |
| uint32_t debug_length; |
| uint32_t debug_pos; |
| } grpc_chttp2_goaway_parser; |
| |
| void grpc_chttp2_goaway_parser_init(grpc_chttp2_goaway_parser *p); |
| void grpc_chttp2_goaway_parser_destroy(grpc_chttp2_goaway_parser *p); |
| grpc_chttp2_parse_error grpc_chttp2_goaway_parser_begin_frame( |
| grpc_chttp2_goaway_parser *parser, uint32_t length, uint8_t flags); |
| grpc_chttp2_parse_error grpc_chttp2_goaway_parser_parse( |
| grpc_exec_ctx *exec_ctx, void *parser, |
| grpc_chttp2_transport_parsing *transport_parsing, |
| grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last); |
| |
| void grpc_chttp2_goaway_append(uint32_t last_stream_id, uint32_t error_code, |
| gpr_slice debug_data, |
| gpr_slice_buffer *slice_buffer); |
| |
| #endif /* GRPC_CORE_TRANSPORT_CHTTP2_FRAME_GOAWAY_H */ |