/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil; -*- */

/* vim:set et sts=4: */

/* bus - The Input Bus

 * Copyright (C) 2010 Google Inc.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301

 * USA

 */

#include <stdlib.h>

#include <time.h>

#include <ibus.h>

#include <locale.h>

#include <glib.h>

#include "test-client.h"

#define MAX_SEND_KEY_NUM 100

#define MAX_RANDOM_SPACE 5

static gboolean

_sleep_cb (gpointer user_data)

{

    ibus_quit ();

    return FALSE;

}

static void

_sleep (guint millisecond)

{

    g_timeout_add (millisecond, (GSourceFunc) _sleep_cb, NULL);

    ibus_main ();

}

/* ibus stress test

   Send random key press and release event message to ibus-daemon.

   Key kind are a-z and space.

   Check ibus-daemon and ibus engine crash.

*/

gint

main (gint argc, gchar **argv)

{

    GTimer *timer;

    GRand *rnd;

    BusTestClient *client;

    /* num of send space key */

    guint32 seed = (guint32) time (NULL);

    int count = 0;

    int send_key_num = 0;

    setlocale (LC_ALL, "");

    ibus_init ();

    /* need to set active engine */

    client = bus_test_client_new ();

    if (client == NULL) {

        g_printerr ("don't create test-client instance.");

        exit(1);

    }

    timer = g_timer_new ();

    rnd = g_rand_new ();

    g_rand_set_seed (rnd, seed);

    g_print("random seed:%u\n",seed);

    g_timer_start (timer);

    while (1) {

        guint keysym;

        if (send_key_num > MAX_SEND_KEY_NUM) {

            break;

        }

        if (!bus_test_client_is_connected (client)) {

            g_printerr ("ibus-daemon is disconnected\n");

            break;

        }

        if (!bus_test_client_is_enabled (client)) {

            g_printerr ("ibus engine is enabled\n");

            break;

        }

        if(count>0 || g_rand_int_range (rnd, 0, 5) == 0) {

            /* send space key 20% */

            if (count == 0) {

                count = g_rand_int_range (rnd, 0, MAX_RANDOM_SPACE) + 1;

            }

            if (count-- == 1) {

                keysym = IBUS_KEY_Return;

            } else {

                keysym = IBUS_KEY_space;

            }

        } else {

            /* send random a-z key */

            keysym = g_rand_int_range (rnd, 0, 'z'-'a'+1) + 'a';

        }

        bus_test_client_send_key (client, keysym);

        send_key_num += 1;

        /* limit the typing rate to 800 hits/minutes */

        _sleep (1000 * 60 / 800);

    }

    g_print ("%f sec\n", g_timer_elapsed (timer, NULL));

    return 0;

}