/*
 *
 * 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,
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 * 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.
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 */

#include <stdint.h>
#include <string.h>

#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>

#include "src/core/ext/transport/chttp2/transport/hpack_parser.h"
#include "src/core/lib/slice/slice_internal.h"

bool squelch = true;
bool leak_check = true;

static void onhdr(grpc_exec_ctx *exec_ctx, void *ud, grpc_mdelem md) {
  GRPC_MDELEM_UNREF(exec_ctx, md);
}
static void dont_log(gpr_log_func_args *args) {}

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
  grpc_test_only_set_slice_hash_seed(0);
  if (squelch) gpr_set_log_function(dont_log);
  grpc_init();
  grpc_chttp2_hpack_parser parser;
  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
  grpc_chttp2_hpack_parser_init(&exec_ctx, &parser);
  parser.on_header = onhdr;
  GRPC_ERROR_UNREF(grpc_chttp2_hpack_parser_parse(
      &exec_ctx, &parser, grpc_slice_from_static_buffer(data, size)));
  grpc_chttp2_hpack_parser_destroy(&exec_ctx, &parser);
  grpc_exec_ctx_finish(&exec_ctx);
  grpc_shutdown();
  return 0;
}