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/*
* Ouroboros - Copyright (C) 2016 - 2018
*
* Quality of Service cube
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* 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., http://www.fsf.org/about/contact/.
*/
#include <ouroboros/qoscube.h>
#include <string.h>
static struct qos_spec qos_best_effort = {
.delay = UINT32_MAX,
.bandwidth = UINT64_MAX,
.availability = 0,
.maximum_interruption = UINT32_MAX
};
static struct qos_spec qos_video = {
.delay = 100,
.bandwidth = UINT64_MAX,
.availability = 3,
.maximum_interruption = 100
};
static struct qos_spec qos_voice = {
.delay = 10,
.bandwidth = 100000,
.availability = 5,
.maximum_interruption = 50
};
qoscube_t qos_spec_to_cube(qosspec_t qs)
{
if (qs.delay <= qos_voice.delay &&
qs.bandwidth <= qos_voice.bandwidth &&
qs.availability >= qos_voice.availability &&
qs.maximum_interruption <= qos_voice.maximum_interruption)
return QOS_CUBE_VOICE;
else if (qs.delay <= qos_video.delay &&
qs.bandwidth <= qos_video.bandwidth &&
qs.availability >= qos_video.availability &&
qs.maximum_interruption <= qos_video.maximum_interruption)
return QOS_CUBE_VIDEO;
else
return QOS_CUBE_BE;
}
qosspec_t qos_cube_to_spec(qoscube_t qc)
{
switch (qc) {
case QOS_CUBE_VOICE:
return qos_voice;
case QOS_CUBE_VIDEO:
return qos_video;
case QOS_CUBE_BE:
default:
return qos_best_effort;
}
}
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