120 lines
3.7 KiB
C++
120 lines
3.7 KiB
C++
/*
|
|
universe.cpp
|
|
|
|
Copyright (c) 2020 Kevin Matz (kevin.matz@gmail.com)
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in all
|
|
copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
SOFTWARE.
|
|
*/
|
|
|
|
#include "universe.h"
|
|
|
|
namespace SACN {
|
|
|
|
/**
|
|
* @brief UniverseSource::UniverseSource
|
|
*/
|
|
UniverseSource::UniverseSource()
|
|
: cid_(UUID::uuid())
|
|
, description_(std::string())
|
|
, universe_(0)
|
|
, priority_(100)
|
|
, sync_address_(0)
|
|
, options_(0)
|
|
{}
|
|
|
|
|
|
/**
|
|
Construct a Universe Source from an sACN frame PDU
|
|
*/
|
|
UniverseSource::UniverseSource(std::shared_ptr<DATA::Pdu> pdu)
|
|
{
|
|
auto root_header = (RLP::rlp_header*)pdu->parent()->header();
|
|
cid_ = root_header->cid;
|
|
|
|
auto frame_header = (DATA::frame_header*)pdu->header();
|
|
description_ = std::string((char*)frame_header->source_name);
|
|
universe_ = frame_header->universe;
|
|
priority_ = frame_header->priority;
|
|
sync_address_ = frame_header->sync_address;
|
|
options_ = frame_header->options;
|
|
};
|
|
|
|
|
|
/**
|
|
Set universe data from a DMP PDU from a UniverseSource.
|
|
*/
|
|
void Universe::set(std::shared_ptr<DMP::Pdu> dmp,
|
|
std::shared_ptr<UniverseSource> source) {
|
|
// 7.3 Address Type and Data Type
|
|
// Sources shall set the DMP Layer's Address Type and Data Type to 0xa1.
|
|
// Receivers shall discard the packet if the received value is not 0xa1.
|
|
if (!dmp->header())
|
|
return;
|
|
auto type = (ACN::DMP::address_type*)dmp->header();
|
|
if (!type->z_reserved) return; // needs to be true, but why?
|
|
if (type->relative) return;
|
|
if (type->type != ACN::DMP::ARRAY) return;
|
|
if (type->x_reserved != 0) return;
|
|
if (type->width != ACN::DMP::TWO) return;
|
|
|
|
// only act on the first property pair in the data
|
|
if (!dmp->data())
|
|
return;
|
|
auto data = (ACN::DMP::dmp_set_data*)dmp->data();
|
|
auto prop = data->properties.front();
|
|
auto pr = prop.first; // property range
|
|
auto pd = prop.second; // property data
|
|
|
|
// 7.4 First Property Address
|
|
// Sources shall set the DMP Layer's First Property Address to 0x0000.
|
|
// Receivers shall discard the packet if the received value is not 0x0000.
|
|
if (pr.address != 0)
|
|
return;
|
|
|
|
// 7.5 Address Increment
|
|
// Sources shall set the DMP Layer's Address Increment to 0x0001.
|
|
// Receivers shall discard the packet if the received value is not 0x0001.
|
|
if (pr.incriment != 1)
|
|
return;
|
|
|
|
// 7.6 Property Value Count
|
|
// The DMP Layer's Property Value Count is used to encode the number of
|
|
// DMX512-A [DMX] Slots (including the START Code slot).
|
|
if (pr.count < 1 || pr.count > 513)
|
|
return;
|
|
|
|
// 7.7 Property Values (DMX512-A Data)
|
|
/// The DMP Layer's Property values field is used to encode the
|
|
// DMX512-A [DMX] START Code and data.
|
|
DMX::Universe::set(pd);
|
|
setSource(source);
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief Universe::setSource
|
|
* @param source
|
|
*/
|
|
void Universe::setSource(std::shared_ptr<UniverseSource> source)
|
|
{
|
|
source_ = source;
|
|
}
|
|
|
|
}; // SACN
|