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#include <QDebug>
#include <QStringList>
#include <stdio.h>
#include <sys/types.h>
#include <ifaddrs.h>
#include <netinet/in.h>
#include <string.h>
#include <arpa/inet.h>
#include "config.h"
#define GROUP_GENERAL "General"
#define GROUP_MODELINES "Modelines"
#define GROUP_SPECIFIC "SpecificSettings"
#define DISPLAY_KEY "display"
#define DISPLAY_DEFAULT ":0"
#define IFACE_KEY "interface"
#define IFACE_DEFAULT "eth0"
Config * Config::Instance = NULL;
//_____________________________________________________________________________
Config::Config()
{
// Defaults
display = ":0";
interface = "eth0";
}
//_____________________________________________________________________________
void Config::loadSettings(QString _file)
{
// Open setting file
settingsPath = _file;
QSettings settings(settingsPath, QSettings::NativeFormat);
// Get general information
settings.beginGroup(GROUP_GENERAL);
display = settings.value(DISPLAY_KEY, DISPLAY_DEFAULT).toString();
interface = settings.value(IFACE_KEY, IFACE_DEFAULT).toString();
settings.endGroup();
/* Check for ip specific settings */
// Get local ip
QString IPV4 = getIPV4ofInterface(interface);
// Find any information saved about this ip
settings.beginGroup(GROUP_SPECIFIC);
if ( settings.contains(IPV4) )
ipSpecificXConf = settings.value(IPV4).toStringList();
settings.endGroup();
/* Get the "must-have-modelines" */
int size = settings.beginReadArray(GROUP_MODELINES);
for (int i = 0; i < size; ++i) {
settings.setArrayIndex(i);
qDebug()<< settings.value("Modeline").toString();
modeLines.append(settings.value("Modeline").toString());
}
settings.endArray();
// // Get all keys in this group (Keys are modenames)
// QStringList modeKeys = settings.allKeys();
// // Get the modeline for each key
// for (QStringList::const_iterator i = modeKeys.constBegin(); i != modeKeys.constEnd(); ++i)
// {
// qDebug()<< "found" << *i;
// // Prepend the name and save in list
// modeLines.insert(*i, settings.value(*i).toStringList());
// }
// settings.endGroup();
}
//_____________________________________________________________________________
QString Config::getIPV4ofInterface(QString _if) const
{
struct ifaddrs * ifAddrStruct=NULL;
struct ifaddrs * ifa=NULL;
void * tmpAddrPtr=NULL;
QString result;
getifaddrs(&ifAddrStruct);
// Iterate through the adresses.
for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next)
{
// If the address is IP V4 and the interface is _if
if (ifa ->ifa_addr->sa_family==AF_INET && ( strcmp(ifa->ifa_name, _if.toUtf8().constData()) == 0) )
{
// Get the IP
tmpAddrPtr=&((struct sockaddr_in *)ifa->ifa_addr)->sin_addr;
// convert to readable form
char addressBuffer[INET_ADDRSTRLEN];
inet_ntop(AF_INET, tmpAddrPtr, addressBuffer, INET_ADDRSTRLEN);
result = addressBuffer;
}
}
// clean up
if (ifAddrStruct!=NULL)
freeifaddrs(ifAddrStruct);
return result;
}
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