/*
 * Copyright (C) 2010 Red Hat, Inc.
 *
 * Author: Angus Salkeld <asalkeld@redhat.com>
 *
 * This file is part of libqb.
 *
 * libqb 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.
 *
 * libqb 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 libqb.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "os_base.h"
#include <sys/poll.h>

#include <qb/qbloop.h>
#include <qb/qbutil.h>

static struct qb_loop *l;
static qb_loop_timer_handle th;

static void job_3_9(void *data) { printf("%s\n", __func__); }
static void job_1_2(void *data) { printf("%s\n", __func__); }
static void job_2_4(void *data) { printf("%s\n", __func__); }
static void job_3_5(void *data) { printf("%s\n", __func__); }
static void job_3_6(void *data) { printf("%s\n", __func__); }
static void job_1_1(void *data) { printf("%s\n", __func__); }
static void job_3_7(void *data) { printf("%s\n", __func__); }
static void job_2_3(void *data) { printf("%s\n", __func__); }
static void job_2_8(void *data) { printf("%s\n", __func__); }
static void job_1_9(void *data) { printf("%s\n", __func__); }

static void more_important_jobs(void *data)
{
	printf("%s\n", __func__);
	qb_loop_job_add(l, QB_LOOP_HIGH, NULL, job_1_2);
	qb_loop_job_add(l, QB_LOOP_HIGH, NULL, job_1_9);
}

static void more_jobs(void *data)
{
	printf("%s\n", __func__);
	qb_loop_timer_add(l, QB_LOOP_HIGH, 3109, NULL, job_1_1, &th);
	qb_loop_job_add(l, QB_LOOP_LOW,  NULL, job_3_7);
	qb_loop_timer_add(l, QB_LOOP_LOW, 1000, NULL, more_important_jobs, &th);
	qb_loop_job_add(l, QB_LOOP_LOW,  NULL, job_3_7);
	qb_loop_timer_add(l, QB_LOOP_LOW, 2341, NULL, job_3_7, &th);
	qb_loop_timer_add(l, QB_LOOP_LOW, 900, NULL, job_3_6, &th);
	qb_loop_job_add(l, QB_LOOP_LOW,  NULL, job_3_5);
	qb_loop_timer_add(l, QB_LOOP_MED, 4000, NULL, more_jobs, &th);
	qb_loop_job_add(l, QB_LOOP_LOW,  NULL, job_3_9);
	qb_loop_job_add(l, QB_LOOP_HIGH, NULL, job_1_9);
	qb_loop_job_add(l, QB_LOOP_MED,  NULL, job_2_3);
}

static int32_t read_stdin(int32_t fd, int32_t revents, void *data)
{
	char buf[100];
	ssize_t len = read(fd, buf, 100);
	buf[len-1] = '\0';
	printf("typed > \"%s\"\n", buf);
	if (strcmp(buf, "more") == 0) {
		more_jobs(NULL);
	}
	qb_loop_job_add(l, QB_LOOP_LOW,  NULL, job_3_9);
	return 0;
}

static void libqb_log_fn(const char *file_name,
			 int32_t file_line, int32_t severity, const char *msg)
{
	printf("libqb: %s:%d %s\n", file_name, file_line, msg);
}

int main(int argc, char * argv[])
{
	qb_util_set_log_function(libqb_log_fn);

	l = qb_loop_create();

	qb_loop_job_add(l, QB_LOOP_LOW,  NULL, job_3_9);
	qb_loop_job_add(l, QB_LOOP_LOW,  NULL, job_2_4);
	qb_loop_job_add(l, QB_LOOP_HIGH, NULL, job_1_2);
	qb_loop_job_add(l, QB_LOOP_MED,  NULL, job_3_7);
//	qb_loop_timer_add(l, QB_LOOP_HIGH, 40, NULL, more_jobs, &th);
	qb_loop_job_add(l, QB_LOOP_MED,  NULL, job_2_8);
	qb_loop_job_add(l, QB_LOOP_LOW,  NULL, job_3_6);

	qb_loop_poll_add(l, QB_LOOP_LOW, 0, POLLIN | POLLPRI | POLLNVAL,
			     NULL, read_stdin);

	qb_loop_run(l);
	return 0;
}