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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_GOAWAY_H
#define GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_GOAWAY_H
#include <grpc/slice.h>
#include <grpc/slice_buffer.h>
#include <grpc/support/port_platform.h>
#include "src/core/ext/transport/chttp2/transport/frame.h"
#include "src/core/lib/iomgr/exec_ctx.h"
#ifdef __cplusplus
extern "C" {
#endif
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_error *grpc_chttp2_goaway_parser_begin_frame(
grpc_chttp2_goaway_parser *parser, uint32_t length, uint8_t flags);
grpc_error *grpc_chttp2_goaway_parser_parse(grpc_exec_ctx *exec_ctx,
void *parser,
grpc_chttp2_transport *t,
grpc_chttp2_stream *s,
grpc_slice slice, int is_last);
void grpc_chttp2_goaway_append(uint32_t last_stream_id, uint32_t error_code,
grpc_slice debug_data,
grpc_slice_buffer *slice_buffer);
#ifdef __cplusplus
}
#endif
#endif /* GRPC_CORE_EXT_TRANSPORT_CHTTP2_TRANSPORT_FRAME_GOAWAY_H */
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