private void NewDibblerServerProcess()
{
Debug.Assert(DhcpServiceProcess == null);
// Generate the DHCPv6 server config
string DaemonDirectory = Path.Combine(Program.MyProgramDir, "dibbler_server");
Directory.CreateDirectory(DaemonDirectory); // Won't fail if the directory already exists, or will create a new one
string DibblerServerConfigPath = Path.Combine(DaemonDirectory, "server.conf");
using (FileStream ConfigFile = File.OpenWrite(DibblerServerConfigPath))
{
Byte[] content = new UTF8Encoding(true).GetBytes(RenderDibblerServerConfig());
ConfigFile.Write(content, 0, content.Length);
ConfigFile.SetLength(content.Length);
}
// Run the DHCPv6 process
DhcpServiceProcess = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = Path.Combine(Program.MyProgramDir, "dibbler-server.exe"),
Arguments = "run",
WorkingDirectory = DaemonDirectory
}
};
DhcpServiceProcess.Start();
// Add routes
foreach (var ServedInterface in Configuration.ServedInterfaceList)
{
using (PowerShell PowerShellInstance = PowerShell.Create())
{
var cmd = PowerShellInstance.AddScript("param([String] $prefix, [int] $iface, [String] $gw) New-NetRoute -DestinationPrefix $prefix -InterfaceIndex $iface -AddressFamily IPv6 -NextHop $gw -Publish Yes -PolicyStore ActiveStore -Confirm:$false");
PowerShellInstance.AddParameter("prefix", GetServedSubnet(ServedInterface.NetworkId).ToString() + "/112");
PowerShellInstance.AddParameter("iface", ServedInterface.Index);
PowerShellInstance.AddParameter("gw", "::");
PowerShellInstance.Invoke();
foreach (var PowerShellError in PowerShellInstance.Streams.Error.ReadAll())
{
EventLog.WriteEntry(Program.MyName, string.Format("Error(s) occured while adding a route. More information: {0}", PowerShellError.ToString()), EventLogEntryType.Error);
}
}
}
}
private void KillDibblerServerProcess()
{
Debug.Assert(DhcpServiceProcess != null);
// Remove routes
foreach (var ServedInterface in Configuration.ServedInterfaceList)
{
using (PowerShell PowerShellInstance = PowerShell.Create())
{
PowerShellInstance.AddScript("param([String] $prefix, [int] $iface, [String] $gw) Remove-NetRoute -DestinationPrefix @($prefix) -InterfaceIndex $iface -AddressFamily IPv6 -NextHop @($gw) -Publish Yes -Confirm:$false");
PowerShellInstance.AddParameter("prefix", GetServedSubnet(ServedInterface.NetworkId).ToString() + "/112");
PowerShellInstance.AddParameter("iface", ServedInterface.Index);
PowerShellInstance.AddParameter("gw", "::");
PowerShellInstance.Invoke();
foreach (var PowerShellError in PowerShellInstance.Streams.Error.ReadAll())
{
EventLog.WriteEntry(Program.MyName, string.Format("Error(s) occured while removing the route. More information: {0}", PowerShellError.ToString()), EventLogEntryType.Error);
}
}
}
// Kill the DHCPv6 process
try
{
DhcpServiceProcess.Kill();
}
catch (System.InvalidOperationException)
{
EventLog.WriteEntry(Program.MyName, "Could not kill dibbler-server (DHCPv6 daemon). This might cause problems. Please stop the service, kill the rest of lingering daemons and restart the service again.", EventLogEntryType.Warning);
}
finally
{
DhcpServiceProcess = null;
}
}
