From 21aa80032f685b3ded10fe293ca083d2f46ae18c Mon Sep 17 00:00:00 2001
From: Manuel Schneider
Date: Thu, 21 Nov 2013 15:38:19 +0100
Subject: alpha

---
 src/config.cpp | 109 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 src/config.cpp

(limited to 'src/config.cpp')

diff --git a/src/config.cpp b/src/config.cpp
new file mode 100644
index 0000000..1e3f827
--- /dev/null
+++ b/src/config.cpp
@@ -0,0 +1,109 @@
+#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" */
+
+    settings.beginGroup(GROUP_MODELINES);
+
+    // 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)
+    {
+        // 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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