hyperion.ng/libsrc/leddevice/dev_net/ProviderUdp.cpp
LordGrey f955af29fd
fix: Nanoleaf - Udp Network init was missing (#698)
* Fix Nanoleaf - Udp Network init was missing

* ProviderUdp - Add init error handling
2020-02-23 23:18:34 +01:00

139 lines
2.9 KiB
C++

// STL includes
#include <cstring>
#include <cstdio>
#include <iostream>
#include <exception>
// Linux includes
#include <fcntl.h>
#include <sys/ioctl.h>
#include <QStringList>
#include <QUdpSocket>
#include <QHostInfo>
// Local Hyperion includes
#include "ProviderUdp.h"
ProviderUdp::ProviderUdp()
: LedDevice()
, _udpSocket (nullptr)
, _port(1)
, _defaultHost("127.0.0.1")
{
_deviceReady = false;
_latchTime_ms = 1;
}
ProviderUdp::~ProviderUdp()
{
_udpSocket->deleteLater();
}
bool ProviderUdp::init(const QJsonObject &deviceConfig)
{
bool isInitOK = LedDevice::init(deviceConfig);
QString host = deviceConfig["host"].toString(_defaultHost);
if (_address.setAddress(host) )
{
Debug( _log, "Successfully parsed %s as an ip address.", deviceConfig["host"].toString().toStdString().c_str());
}
else
{
Debug( _log, "Failed to parse [%s] as an ip address.", deviceConfig["host"].toString().toStdString().c_str());
QHostInfo info = QHostInfo::fromName(host);
if (info.addresses().isEmpty())
{
Debug( _log, "Failed to parse [%s] as a hostname.", deviceConfig["host"].toString().toStdString().c_str());
QString errortext = QString ("Invalid target address [%1]!").arg(host);
this->setInError ( errortext );
return false;
}
else
{
Debug( _log, "Successfully parsed %s as a hostname.", deviceConfig["host"].toString().toStdString().c_str());
_address = info.addresses().first();
}
}
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 using %s:%d", _address.toString().toStdString().c_str() , _port );
}
return isInitOK;
}
bool ProviderUdp::initNetwork()
{
bool isInitOK = false;
_udpSocket =new QUdpSocket(this);
if ( _udpSocket != nullptr)
{
QHostAddress localAddress = QHostAddress::Any;
quint16 localPort = 0;
if ( !_udpSocket->bind(localAddress, localPort) )
{
Warning ( _log, "Could not bind local address: %s", strerror(errno));
}
isInitOK = true;
}
return isInitOK;
}
int ProviderUdp::open()
{
int retval = -1;
QString errortext;
_deviceReady = false;
if ( init(_devConfig) )
{
if ( ! initNetwork())
{
this->setInError( "UDP Network error!" );
}
else
{
// Everything is OK -> enable device
_deviceReady = true;
setEnable(true);
retval = 0;
}
}
return retval;
}
void ProviderUdp::close()
{
LedDevice::close();
// LedDevice specific closing activites
if ( _udpSocket != nullptr)
{
_udpSocket->close();
}
}
int ProviderUdp::writeBytes(const unsigned size, const uint8_t * data)
{
qint64 retVal = _udpSocket->writeDatagram((const char *)data,size,_address,_port);
WarningIf((retVal<0), _log, "Error sending: %s", strerror(errno));
return retVal;
}