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/*
*
* 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_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_GOAWAY_H
#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_GOAWAY_H
#include <grpc/support/port_platform.h>
#include <grpc/support/slice.h>
#include <grpc/support/slice_buffer.h>
#include "src/core/ext/transport/chttp2/transport/frame.h"
#include "src/core/lib/iomgr/exec_ctx.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_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_GOAWAY_H */
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