mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2023-10-10 13:36:59 +02:00
145 lines
3.3 KiB
C++
145 lines
3.3 KiB
C++
|
|
// STL includes
|
|
#include <cstring>
|
|
#include <cstdio>
|
|
#include <iostream>
|
|
#include <exception>
|
|
// Linux includes
|
|
#include <fcntl.h>
|
|
|
|
#include <QStringList>
|
|
#include <QUdpSocket>
|
|
#include <QHostInfo>
|
|
|
|
// Local Hyperion includes
|
|
#include "ProviderUdp.h"
|
|
|
|
const ushort MAX_PORT = 65535;
|
|
|
|
ProviderUdp::ProviderUdp()
|
|
: LedDevice()
|
|
, _udpSocket (nullptr)
|
|
, _port(1)
|
|
, _defaultHost("127.0.0.1")
|
|
{
|
|
_isDeviceReady = false;
|
|
_latchTime_ms = 1;
|
|
}
|
|
|
|
ProviderUdp::~ProviderUdp()
|
|
{
|
|
if ( _udpSocket != nullptr )
|
|
{
|
|
delete _udpSocket;
|
|
}
|
|
}
|
|
|
|
bool ProviderUdp::init(const QJsonObject &deviceConfig)
|
|
{
|
|
bool isInitOK = false;
|
|
|
|
// Initialise sub-class
|
|
if ( LedDevice::init(deviceConfig) )
|
|
{
|
|
QString host = deviceConfig["host"].toString(_defaultHost);
|
|
|
|
if (_address.setAddress(host) )
|
|
{
|
|
Debug( _log, "Successfully parsed %s as an IP-address.", QSTRING_CSTR(_address.toString()));
|
|
}
|
|
else
|
|
{
|
|
QHostInfo hostInfo = QHostInfo::fromName(host);
|
|
if ( hostInfo.error() == QHostInfo::NoError )
|
|
{
|
|
_address = hostInfo.addresses().first();
|
|
Debug( _log, "Successfully resolved IP-address (%s) for hostname (%s).", QSTRING_CSTR(_address.toString()), QSTRING_CSTR(host));
|
|
}
|
|
else
|
|
{
|
|
QString errortext = QString ("Failed resolving IP-address for [%1], (%2) %3").arg(host).arg(hostInfo.error()).arg(hostInfo.errorString());
|
|
this->setInError ( errortext );
|
|
isInitOK = false;
|
|
}
|
|
}
|
|
|
|
if ( !_isDeviceInError )
|
|
{
|
|
int config_port = deviceConfig["port"].toInt(_port);
|
|
if ( config_port <= 0 || config_port > MAX_PORT )
|
|
{
|
|
QString errortext = QString ("Invalid target port [%1]!").arg(config_port);
|
|
this->setInError ( errortext );
|
|
isInitOK = false;
|
|
}
|
|
else
|
|
{
|
|
_port = static_cast<int>(config_port);
|
|
Debug( _log, "UDP socket will write to %s:%u", QSTRING_CSTR(_address.toString()) , _port );
|
|
|
|
_udpSocket = new QUdpSocket(this);
|
|
|
|
isInitOK = true;
|
|
}
|
|
}
|
|
}
|
|
return isInitOK;
|
|
}
|
|
|
|
int ProviderUdp::open()
|
|
{
|
|
int retval = -1;
|
|
_isDeviceReady = false;
|
|
|
|
// Try to bind the UDP-Socket
|
|
if ( _udpSocket != nullptr )
|
|
{
|
|
if ( _udpSocket->state() != QAbstractSocket::BoundState )
|
|
{
|
|
QHostAddress localAddress = QHostAddress::Any;
|
|
quint16 localPort = 0;
|
|
if ( !_udpSocket->bind(localAddress, localPort) )
|
|
{
|
|
QString warntext = QString ("Could not bind local address: %1, (%2) %3").arg(localAddress.toString()).arg(_udpSocket->error()).arg(_udpSocket->errorString());
|
|
Warning ( _log, "%s", QSTRING_CSTR(warntext));
|
|
}
|
|
}
|
|
// Everything is OK, device is ready
|
|
_isDeviceReady = true;
|
|
retval = 0;
|
|
}
|
|
else
|
|
{
|
|
this->setInError( " Open error. UDP Socket not initialised!" );
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
int ProviderUdp::close()
|
|
{
|
|
int retval = 0;
|
|
_isDeviceReady = false;
|
|
|
|
if ( _udpSocket != nullptr )
|
|
{
|
|
// Test, if device requires closing
|
|
if ( _udpSocket->isOpen() )
|
|
{
|
|
Debug(_log,"Close UDP-device: %s", QSTRING_CSTR( this->getActiveDeviceType() ) );
|
|
_udpSocket->close();
|
|
// Everything is OK -> device is closed
|
|
}
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
int ProviderUdp::writeBytes(const unsigned size, const uint8_t * data)
|
|
{
|
|
qint64 retVal = _udpSocket->writeDatagram((const char *)data,size,_address,_port);
|
|
|
|
WarningIf((retVal<0), _log, "&s", QSTRING_CSTR(QString
|
|
("(%1:%2) Write Error: (%3) %4").arg(_address.toString()).arg(_port).arg(_udpSocket->error()).arg(_udpSocket->errorString())));
|
|
|
|
return retVal;
|
|
}
|