/*
 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
 *
 *    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.
 */
/*
 * @file        queue_test_thread.h
 * @author      Janusz Kozerski (j.kozerski@samsung.com)
 * @version     1.0
 * @brief       Implementation of class for multi-thread testing Queue
 */

#include <thread>
#include <unistd.h>

#include <cchecker/app.h>
#include <cchecker/queue.h>
#include <cchecker/log.h>

#include <queue_test_thread.h>

namespace CCHECKER {

#define APPS_COUNT 10

app_t app[APPS_COUNT] = {
        app_t ("app_id0", "###",     0, {}),
        app_t ("app_id1", "pkg_id1", 1, {}),
        app_t ("app_id2", "pkg_id2", 2, {}),
        app_t ("app_id3", "###",     3, {}),
        app_t ("app_id4", "###",     4, {}),
        app_t ("app_id5", "###",     5, {}),
        app_t ("app_id6", "###",     6, {}),
        app_t ("app_id7", "###",     7, {}),
        app_t ("app_id8", "###",     8, {}),
        app_t ("app_id9", "###",     9, {})
};

void TestQueue::add_events_th(int number_of_threads)
{
    if (number_of_threads < 1) {
        LogDebug("Too few threads, at least 1 should be used");
        number_of_threads = 1;
    }

    m_sent = 0;
    m_max_events = number_of_threads * 2 * APPS_COUNT;

    LogDebug("Running threads");
    for (int i=0; i<number_of_threads; i++)
        std::thread(&TestQueue::add_events, this).detach();

    LogDebug("Running threads done");
}

void TestQueue::add_events()
{
    for (int i = 0; i < APPS_COUNT; i++) {
        m_queue.push_event(event_t(app[i], event_t::event_type_t::APP_INSTALL));
        m_sent++;
        LogDebug("Add event : " << i);
    }

    for (int i = 0; i < APPS_COUNT; i++) {
        m_queue.push_event(event_t(app[i], event_t::event_type_t::APP_UNINSTALL));
        m_sent++;
        LogDebug("Add event : " << i);
    }
}

bool TestQueue::pop_events()
{
    int i_install = 0;
    int i_uninstall = 0;
    event_t ev;

    LogDebug("Looking events...");
    do {
        while(m_queue.pop_event(ev)) {
            if (ev.event_type == event_t::event_type_t::APP_INSTALL)
                i_install++;
            else if (ev.event_type == event_t::event_type_t::APP_UNINSTALL)
                i_uninstall++;
        }
    } while (m_sent < m_max_events);

    // Read all events once again - just for case
    while(m_queue.pop_event(ev)) {
        if (ev.event_type == event_t::event_type_t::APP_INSTALL)
            i_install++;
        else if (ev.event_type == event_t::event_type_t::APP_UNINSTALL)
            i_uninstall++;
    }
    LogDebug("Found " << i_install + i_uninstall << " events.");

    if (i_install != m_max_events/2 || i_uninstall != m_max_events/2)
        return false;
    return true;
}

} // CCHECKER