// Copyright(c) 2019, Intel Corporation

//

// 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 Intel Corporation  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,  DATA, OR PROFITS;  OR BUSINESS

// INTERRUPTION)  HOWEVER CAUSED  AND ON ANY THEORY  OF LIABILITY,  WHETHER IN

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// POSSIBILITY OF SUCH DAMAGE.

#ifndef _FPGAD_CONTROL_H

#define _FPGAD_CONTROL_H

#include <string.h>

#include <stdlib.h>

#include <unistd.h>

#include "gtest/gtest.h"

#include <thread>

#include <chrono>

extern "C" {

#include "opae_int.h"

#include "fpgad/api/logging.h"

#include "fpgad/event_dispatcher_thread.h"

#include "fpgad/monitor_thread.h"

#include "fpgad/events_api_thread.h"

bool events_api_is_ready(void);

bool monitor_is_ready(void);

bool mon_consider_device(struct fpgad_config *c,

                         fpga_token token);

extern fpgad_supported_device default_supported_devices_table[];

}

namespace opae {

namespace testing {

class fpgad_control {

 public:

  void fpgad_start()

  {

    strcpy(tmpfpgad_log_, "tmpfpgad-XXXXXX.log");

    strcpy(tmpfpgad_pid_, "tmpfpgad-XXXXXX.pid");

    close(mkstemps(tmpfpgad_log_, 4));

    close(mkstemps(tmpfpgad_pid_, 4));

    memset(&fpgad_config_, 0, sizeof(fpgad_config_));

    fpgad_config_.poll_interval_usec = 100 * 1000;

    fpgad_config_.running = true;

    fpgad_config_.api_socket = "/tmp/fpga_event_socket";

    strcpy(fpgad_config_.logfile, tmpfpgad_log_);

    strcpy(fpgad_config_.pidfile, tmpfpgad_pid_);

    fpgad_config_.supported_devices = default_supported_devices_table;

    log_open(tmpfpgad_log_);

    dispatcher_config_.global = &fpgad_config_;

    dispatcher_config_.sched_policy = SCHED_RR;

    dispatcher_config_.sched_priority = 30;

    dispatcher_thr_ = std::thread(event_dispatcher_thread,

                                  &dispatcher_config_);

    while (!evt_dispatcher_is_ready()) {

      std::this_thread::sleep_for(std::chrono::milliseconds(1));

    }

    monitor_config_.global = &fpgad_config_;

    monitor_config_.sched_policy = SCHED_RR;

    monitor_config_.sched_priority = 20;

    monitor_thr_ = std::thread(monitor_thread, &monitor_config_);

    while (!monitor_is_ready()) {

      std::this_thread::sleep_for(std::chrono::milliseconds(1));

    }

    events_config_.global = &fpgad_config_;

    events_config_.sched_policy = SCHED_RR;

    events_config_.sched_priority = 10;

    events_thr_ = std::thread(events_api_thread, &events_config_);

    while (!events_api_is_ready()) {

      std::this_thread::sleep_for(std::chrono::milliseconds(1));

    }

  }

  void fpgad_stop()

  {

    fpgad_config_.running = false;

    events_thr_.join();

    monitor_thr_.join();

    dispatcher_thr_.join();

    log_close();

    if (!::testing::Test::HasFatalFailure() &&

        !::testing::Test::HasNonfatalFailure()) {

      unlink(tmpfpgad_log_);

      unlink(tmpfpgad_pid_);

    }

  }

  bool fpgad_watch()

  {

    return mon_enumerate(&fpgad_config_) == 0;

  }

  bool fpgad_watch(fpga_token token)

  {

    return mon_consider_device(&fpgad_config_, token);

  }

  char tmpfpgad_log_[20];

  char tmpfpgad_pid_[20];

 private:

  struct fpgad_config fpgad_config_;

  event_dispatcher_thread_config dispatcher_config_;

  std::thread dispatcher_thr_;

  monitor_thread_config monitor_config_;

  std::thread monitor_thr_;

  events_api_thread_config events_config_;

  std::thread events_thr_;

};

}  // end of namespace testing

}  // end of namespace opae

#endif /* !_FPGAD_CONTROL_H */