/*
 *
 * 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_TEST_CORE_UTIL_TEST_CONFIG_H
#define GRPC_TEST_CORE_UTIL_TEST_CONFIG_H

#include <stdint.h>

#include <grpc/grpc.h>

extern int64_t g_fixture_slowdown_factor;
extern int64_t g_poller_slowdown_factor;

/* Returns an appropriate scaling factor for timeouts. */
int64_t grpc_test_slowdown_factor();

/* Converts a given timeout (in seconds) to a deadline. */
gpr_timespec grpc_timeout_seconds_to_deadline(int64_t time_s);

/* Converts a given timeout (in milliseconds) to a deadline. */
gpr_timespec grpc_timeout_milliseconds_to_deadline(int64_t time_ms);

#if !defined(GRPC_TEST_CUSTOM_PICK_PORT) && !defined(GRPC_PORT_ISOLATED_RUNTIME)
#define GRPC_TEST_PICK_PORT
#endif

// Prefer TestEnvironment below.
void grpc_test_init(int* argc, char** argv);

// Wait until gRPC is fully shut down.
// Returns if grpc is shutdown
bool grpc_wait_until_shutdown(int64_t time_s);

namespace grpc {
namespace testing {

// A TestEnvironment object should be alive in the main function of a test. It
// provides test init and shutdown inside.
class TestEnvironment {
 public:
  TestEnvironment(int* argc, char** argv);
  ~TestEnvironment();
};

// A TestGrpcScope makes sure that
// - when it's created, gRPC will be initialized
// - when it's destroyed, gRPC will shutdown and it waits until shutdown
class TestGrpcScope {
 public:
  TestGrpcScope();
  ~TestGrpcScope();
};

}  // namespace testing
}  // namespace grpc

#endif /* GRPC_TEST_CORE_UTIL_TEST_CONFIG_H */