src/core/lib/transport/chttp2/frame_ping.h

/*
 *
 * 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.
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 * 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
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#ifndef GRPC_CORE_LIB_TRANSPORT_CHTTP2_FRAME_PING_H
#define GRPC_CORE_LIB_TRANSPORT_CHTTP2_FRAME_PING_H

#include <grpc/support/slice.h>
#include "src/core/lib/iomgr/exec_ctx.h"
#include "src/core/lib/transport/chttp2/frame.h"

typedef struct {
  uint8_t byte;
  uint8_t is_ack;
  uint8_t opaque_8bytes[8];
} grpc_chttp2_ping_parser;

gpr_slice grpc_chttp2_ping_create(uint8_t ack, uint8_t *opaque_8bytes);

grpc_chttp2_parse_error grpc_chttp2_ping_parser_begin_frame(
    grpc_chttp2_ping_parser *parser, uint32_t length, uint8_t flags);
grpc_chttp2_parse_error grpc_chttp2_ping_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);

#endif /* GRPC_CORE_LIB_TRANSPORT_CHTTP2_FRAME_PING_H */