/*
 *
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 * 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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 * 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,
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#include "test/core/end2end/end2end_tests.h"

#include <string.h>

#include <grpc/support/alloc.h>
#include <grpc/support/host_port.h>
#include <grpc/support/log.h>
#include <grpc/support/sync.h>
#include <grpc/support/thd.h>
#include <grpc/support/useful.h>
#include "src/core/ext/filters/client_channel/client_channel.h"
#include "src/core/ext/filters/load_reporting/load_reporting.h"
#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
#include "src/core/lib/channel/channel_args.h"
#include "src/core/lib/channel/connected_channel.h"
#include "src/core/lib/channel/http_server_filter.h"
#include "src/core/lib/surface/channel.h"
#include "src/core/lib/surface/server.h"
#include "test/core/util/port.h"
#include "test/core/util/test_config.h"

typedef struct load_reporting_fixture_data {
  char *localaddr;
} load_reporting_fixture_data;

static grpc_end2end_test_fixture chttp2_create_fixture_load_reporting(
    grpc_channel_args *client_args, grpc_channel_args *server_args) {
  grpc_end2end_test_fixture f;
  int port = grpc_pick_unused_port_or_die();
  load_reporting_fixture_data *ffd =
      gpr_malloc(sizeof(load_reporting_fixture_data));
  memset(&f, 0, sizeof(f));

  gpr_join_host_port(&ffd->localaddr, "localhost", port);

  f.fixture_data = ffd;
  f.cq = grpc_completion_queue_create(NULL);

  return f;
}

void chttp2_init_client_load_reporting(grpc_end2end_test_fixture *f,
                                       grpc_channel_args *client_args) {
  load_reporting_fixture_data *ffd = f->fixture_data;
  f->client = grpc_insecure_channel_create(ffd->localaddr, client_args, NULL);
  GPR_ASSERT(f->client);
}

void chttp2_init_server_load_reporting(grpc_end2end_test_fixture *f,
                                       grpc_channel_args *server_args) {
  load_reporting_fixture_data *ffd = f->fixture_data;
  grpc_arg arg = grpc_load_reporting_enable_arg();
  if (f->server) {
    grpc_server_destroy(f->server);
  }
  server_args = grpc_channel_args_copy_and_add(server_args, &arg, 1);
  f->server = grpc_server_create(server_args, NULL);
  {
    grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
    grpc_channel_args_destroy(&exec_ctx, server_args);
    grpc_exec_ctx_finish(&exec_ctx);
  }
  grpc_server_register_completion_queue(f->server, f->cq, NULL);
  GPR_ASSERT(grpc_server_add_insecure_http2_port(f->server, ffd->localaddr));
  grpc_server_start(f->server);
}

void chttp2_tear_down_load_reporting(grpc_end2end_test_fixture *f) {
  load_reporting_fixture_data *ffd = f->fixture_data;
  gpr_free(ffd->localaddr);
  gpr_free(ffd);
}

/* All test configurations */
static grpc_end2end_test_config configs[] = {
    {"chttp2/fullstack+load_reporting",
     FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION |
         FEATURE_MASK_SUPPORTS_CLIENT_CHANNEL |
         FEATURE_MASK_SUPPORTS_AUTHORITY_HEADER,
     chttp2_create_fixture_load_reporting, chttp2_init_client_load_reporting,
     chttp2_init_server_load_reporting, chttp2_tear_down_load_reporting},
};

int main(int argc, char **argv) {
  size_t i;

  grpc_test_init(argc, argv);
  grpc_end2end_tests_pre_init();
  grpc_init();

  for (i = 0; i < sizeof(configs) / sizeof(*configs); i++) {
    grpc_end2end_tests(argc, argv, configs[i]);
  }

  grpc_shutdown();

  return 0;
}
