/*
 *
 * Copyright 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,
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include <string.h>

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

#include "test/core/end2end/cq_verifier.h"
#include "test/core/util/test_config.h"

static void *tag(intptr_t i) { return (void *)i; }

static void run_test(bool fail_fast) {
  grpc_channel *chan;
  grpc_call *call;
  gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(2);
  grpc_completion_queue *cq;
  cq_verifier *cqv;
  grpc_op ops[6];
  grpc_op *op;
  grpc_metadata_array trailing_metadata_recv;
  grpc_status_code status;
  char *details = NULL;
  size_t details_capacity = 0;

  gpr_log(GPR_INFO, "TEST: fail_fast=%d", fail_fast);

  grpc_init();

  grpc_metadata_array_init(&trailing_metadata_recv);

  cq = grpc_completion_queue_create(NULL);
  cqv = cq_verifier_create(cq);

  /* create a call, channel to a port which will refuse connection */
  chan = grpc_insecure_channel_create("localhost:54321", NULL, NULL);
  call = grpc_channel_create_call(chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq,
                                  "/Foo", "nonexistant", deadline, NULL);

  memset(ops, 0, sizeof(ops));
  op = ops;
  op->op = GRPC_OP_SEND_INITIAL_METADATA;
  op->data.send_initial_metadata.count = 0;
  op->flags = fail_fast ? 0 : GRPC_INITIAL_METADATA_IGNORE_CONNECTIVITY;
  op->reserved = NULL;
  op++;
  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
  op->data.recv_status_on_client.status = &status;
  op->data.recv_status_on_client.status_details = &details;
  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
  op->flags = 0;
  op->reserved = NULL;
  op++;
  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(
                                 call, ops, (size_t)(op - ops), tag(1), NULL));
  /* verify that all tags get completed */
  CQ_EXPECT_COMPLETION(cqv, tag(1), 1);
  cq_verify(cqv);

  if (fail_fast) {
    GPR_ASSERT(status == GRPC_STATUS_UNAVAILABLE);
  } else {
    GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
  }

  grpc_completion_queue_shutdown(cq);
  while (
      grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME), NULL)
          .type != GRPC_QUEUE_SHUTDOWN)
    ;
  grpc_completion_queue_destroy(cq);
  grpc_call_destroy(call);
  grpc_channel_destroy(chan);
  cq_verifier_destroy(cqv);

  gpr_free(details);
  grpc_metadata_array_destroy(&trailing_metadata_recv);

  grpc_shutdown();
}

int main(int argc, char **argv) {
  grpc_test_init(argc, argv);
  run_test(true);
  run_test(false);
  return 0;
}