/// <summary>
/// adds a new DhcpdLease to the collection
/// </summary>
/// <param name="dhcpdLease">DhcpdLease object</param>
public void AddDhcpdLease(DhcpdLease dhcpdLease)
{
this.dhcpdLeases.Add(dhcpdLease.MACAddress, dhcpdLease);
DhcpdLeasesChangedEvt(this.dhcpdLeases, new PropertyChangedEventArgs("DhcpdLeases"));
}
/// <summary>
/// parses the leases from the filecontent of the dhcpd.leasses file
/// </summary>
/// <param name="result"></param>
private void parseDhcpdLeasesFile(IAsyncResult result)
{
IOController.Log(this, "parseDhcpdLeasesFile start", Flag.debug);
System.Collections.Generic.Dictionary <String, DhcpdLease> dhcpdLeasesList = new System.Collections.Generic.Dictionary <String, DhcpdLease>();
DhcpdLease dhcpdLease = new DhcpdLease();
try
{
AsyncResult aResult = (AsyncResult)result;
ReadDhcpdLeasesFileDelegate readDhcpdLeasesFileDelegate = (ReadDhcpdLeasesFileDelegate)aResult.AsyncDelegate;
ArrayList filecontent = readDhcpdLeasesFileDelegate.EndInvoke(result);
this.settings.DhcpdLeases.Clear();
//IOController.Log(this, "parseDhcpdLeasesFile finished EndInvoke", Flag.debug);
foreach (string line in filecontent)
{
string cleanline = Regex.Replace(line, @"\s+", " ");
cleanline = cleanline.Trim();
if (cleanline.StartsWith("lease"))
{
dhcpdLease = new DhcpdLease();
int endindex = cleanline.IndexOf("{") - 1;
int startindex = 6;
dhcpdLease.IPAddress = cleanline.Substring(startindex, endindex - startindex);
}
else if (cleanline.StartsWith("hardware ethernet"))
{
int endindex = cleanline.IndexOf(";");
int startindex = cleanline.IndexOf("hardware ethernet") + 18;
dhcpdLease.MACAddress = cleanline.Substring(startindex, endindex - startindex);
}
else if (cleanline.StartsWith("client-hostname"))
{
int endindex = cleanline.IndexOf(";") - 1;
int startindex = cleanline.IndexOf("client-hostname") + 17;
dhcpdLease.DeviceName = cleanline.Substring(startindex, endindex - startindex);
}
else if (cleanline.StartsWith("starts"))
{
string[] strArr = cleanline.Split(' ');
if (strArr.Length > 3)
{
strArr[3] = strArr[3].TrimEnd(';');
dhcpdLease.LeaseStart = strArr[2] + " " + strArr[3];
}
}
else if (cleanline.StartsWith("ends"))
{
string[] strArr = cleanline.Split(' ');
if (strArr.Length > 3)
{
strArr[3] = strArr[3].TrimEnd(';');
dhcpdLease.LeaseEnd = strArr[2] + " " + strArr[3];
}
}
else if (cleanline.StartsWith("binding state"))
{
string[] strArr = cleanline.Split(' ');
if (strArr.Length > 2)
{
strArr[2] = strArr[2].TrimEnd(';');
dhcpdLease.LeaseState = strArr[2];
}
}
else if (cleanline.Contains("}"))
{
dhcpdLeasesList[dhcpdLease.MACAddress] = dhcpdLease;
//IOController.Log(this, "found dhcpdLease: " + dhcpdLease.ToString(), Flag.debug);
}
}
}
catch (Exception e)
{
IOController.Log(this, "parsing failed " + e.ToString());
}
this.settings.DhcpdLeases = dhcpdLeasesList;
IOController.Log(this, "Active Leases found:\n" + string.Join("\n", dhcpdLeasesList.Select(x => x.Key + "=" + x.Value).ToArray()), Flag.status);
}
