void DumpOsData()
{
osname.value = (string)WmiBase.Singleton.Win32_OperatingSystem["Name"];
hostname.value = (string)WmiBase.Singleton.Win32_ComputerSystem["Name"];
hostnamedns.value = Win32Impl.GetComputerDnsHostname();
domain.value = (string)WmiBase.Singleton.Win32_ComputerSystem["Domain"];
}
void SetComputerName()
{
wmisession.Log("Set Computer Name Requested");
state.value = "InProgress";
String defaultname;
bool res;
try {
defaultname = name.value;
name.Remove();
}
catch {
try {
wmisession.Log("Setting computer name to default");
XenStoreItem name = wmisession.GetXenStoreItem("name");
defaultname = name.value;
}
catch (Exception e) {
wmisession.Log("Unable to read default name for domain from xenstore: " + e.ToString());
error.value = "Can't read default computer name";
state.value = "Failed";
return;
}
}
if (defaultname.Equals(""))
{
wmisession.Log("Can't set to empty computer name");
error.value = "Computer name empty";
state.value = "Failed";
return;
}
if (defaultname.Length > Win32Impl.MAX_COMPUTERNAME_LENGTH)
{
warn.value = "Computer name exceeds MAX_COMPUTERNAME_LENGTH. The NetBIOS name will be truncated";
}
try
{
wmisession.Log("Setting computer name to " + defaultname);
Win32Impl.SetLastError(0);
res = Win32Impl.SetComputerNameEx(Win32Impl.COMPUTER_NAME_FORMAT.ComputerNamePhysicalDnsHostname, defaultname);
if (!res)
{
wmisession.Log("Setting computer name failed " + Marshal.GetLastWin32Error().ToString());
error.value = "Setting name failed (error code " + Marshal.GetLastWin32Error().ToString() + ")";
state.value = "Failed";
return;
}
wmisession.Log("Setting computer name succceded");
}
catch (Exception e)
{
wmisession.Log("Exception setting computer name : " + e.ToString());
error.value = "Exception calling set computer name";
state.value = "Failed";
return;
}
try
{
wmisession.Log("Target hostname " + defaultname);
wmisession.Log("Current hostname" + Win32Impl.GetComputerDnsHostname());
if (defaultname.Equals(Win32Impl.GetComputerDnsHostname()))
{
wmisession.Log("No need to reboot to change computer name, already " + defaultname);
state.value = "NoChange";
return;
}
}
catch {
}
state.value = "SucceededNeedsReboot";
}