/// <summary>
/// ThreadStart method. Executed in a worker thread to connect to the VM associated with this object,
/// possibly start the EPR service and/or to pull information regarding the EPR's and profiles
/// that this Host has.
/// NOTE: Uses synchronized object of a Netowrk Drive Letter.
/// </summary>
private void Connect()
{
string _tnd = null;
bool _connected = false;
IPAddress[] _localIPs;
//-------------------------------------------------------------------------------------------------------
//Verify that the hostname is good. if we can't find it via dns - then remove it from the list.
try
{
_localIPs = Dns.GetHostAddresses(HostName);
if (_localIPs.Length > 0)
{
var _isOn = new System.Net.NetworkInformation.Ping();
if (_isOn.Send(HostName).Status == System.Net.NetworkInformation.IPStatus.Success)
{
mainIPAddress = _localIPs[0];
}
else
{
WorkStatus = HostVMStatus.Error;
GenUtils.HangError("Cannot connect with " + HostName + ". Make sure it is powered up.");
return;
}
}
}
catch (Exception)
{
GenUtils.HangError(HostName + " is an unknown host?");
WorkStatus = HostVMStatus.Error;
return;
}
//-------------------------------------------------------------------------------------------------------
// In order to connect, we will first assume that the EPR Service is actually running on the Host VM
// and just attempt to establish communications. If they fail for a timeout, then we will know that
// we need to atempt to start the service on the remote host.
try
{
// eprHostChannel = new DeviceSimulatorChannel(HostName);
eprHostChannel = RemOpWithTimedRetries(() => (new DeviceSimulatorChannel(HostName)), TimeSpan.FromSeconds(3), 3);
InstalledProfiles = eprHostChannel.IntalledProfiles;
_connected = true;
}
catch (Exception _ex)
{
//-----------------------------------------------------------------------------------------------------
// Landing here *usually* means that the EPR service is not running on the remote system. So, we will
// attempt to start the service. In order to start the remote service, we will check to see if the
// remote dservice is running. If it is, then there is prossibly a firewall blocking us. If it is
// not, then we check to see if the executable exists. If it does not, then the EPR is not installed
// (or usable) on the remote system. If the executable does exist, then start it up.
if (((_ex.Message.Contains("timed out")) || _ex.Message.Contains("No endpoint", StringComparison.OrdinalIgnoreCase)) && (forceConn))
{
if (!GenUtils.CheckForRemoteProcess(HostName, Program.EPRSERVICE))
{
try
{
_tnd = GenUtils.MapNetworkDrive(Path.Combine(@"\\", HostName, "C$"), @"ETL\jawa", "!QAZ2wsx");
bool _canStart = File.Exists(Path.Combine(_tnd, Program.EPRSERVICEFILEPATH));
GenUtils.DisconnectNetworkDrive(_tnd, true);
_tnd = null;
if (_canStart)
{
GenUtils.Exclaim("EPR Service is not running on " + HostName + ". Attempting to start service...");
GenUtils.ExecuteRemoteProcess(HostName, Path.Combine(@"C:\", Program.EPRSERVICEFILEPATH), true, false);
eprHostChannel = new DeviceSimulatorChannel(HostName);
InstalledProfiles = eprHostChannel.IntalledProfiles;
_connected = true;
GenUtils.Exclaim("EPR Service started on " + HostName);
}
else
{
GenUtils.HangError("Does not appear that the EPR Service is installed on " + HostName);
WorkStatus = HostVMStatus.Error;
}
}
catch (Exception _inner)
{
if (!string.IsNullOrEmpty(_tnd))
{
GenUtils.DisconnectNetworkDrive(_tnd, true);
_tnd = null;
}
GenUtils.HangError("General network failure starting remote EPR service on " + HostName + " :: " + _inner.Message);
WorkStatus = HostVMStatus.Error;
}
}
else
{
GenUtils.HangError("Could not connect with remote service on " + HostName +
". Verify the VM IP, and that it is powered on, or check for possible firewall blocking communications.");
WorkStatus = HostVMStatus.Error;
}
}
else if (forceConn)
{
WorkStatus = HostVMStatus.Error;
GenUtils.HangError("General Network failure on " + HostName + " :: " + _ex.Message);
}
else
{
WorkStatus = HostVMStatus.NotConnected;
GenUtils.HangError("Could not connect with " + HostName + " (-Skip specified). Host will be removed from Main Action list");
}
}
//-----------------------------------------------------------------------------------------------------
// If the connection is made, then pull all of the relevent information about the EPRs from the Host
// VM.
if (_connected)
{
try
{
EPRs.Clear();
InstalledProfiles.Clear();
InstalledProfiles = eprHostChannel.IntalledProfiles;
foreach (IPAddress _ip in eprHostChannel.AvailableIPAddresses)
{
// if ((!_ip.ToString().EndsWith(".0")) && (HP.ScalableTest.Network.NetworkUtil.IsNonRoutableIpAddress(_ip)))
if ((!_ip.ToString().EndsWith(".0")) &&
(((_localIPs.Length == 1) && (HP.ScalableTest.Network.NetworkUtil.IsNonRoutableIpAddress(_ip))) ||
((_localIPs.Length > 1) && (!_ip.Equals(mainIPAddress)))))
{
//-----------------------------------------------------------------------------------------------
// If the user did not specify any IP address on the command line
// (format -vm Host/IP1/IP2/...,Host,Host/IP1/IP2...)
// then we default to ALL of the IP addresses returned both in use and those that are available.
// If the user DID supply some IP's - then everything on this Host must be limited to those IP's
// ONLY - so skip anything that is not on that list.
if (specifiedIPs.Count == 0)
{
EPRs.Add(new EPRInstance(_ip));
}
else
{
if (specifiedIPs.Contains(_ip.ToString()))
{
EPRs.Add(new EPRInstance(_ip));
}
}
}
}
EPRInstancesAvailable = eprHostChannel.AvailableIPAddresses.Count - 1;
foreach (DeviceInstance _di in eprHostChannel.Instances)
{
//-----------------------------------------------------------------------------------------------
// See the comment above...
if (specifiedIPs.Count == 0)
{
EPRs.Add(new EPRInstance(_di, true));
}
else
{
if (specifiedIPs.Contains(_di.Address.ToString()))
{
EPRs.Add(new EPRInstance(_di, true));
}
}
}
if (specifiedIPs.Count > 0)
{
//-------------------------------------------------------------------------------------------------
// If the user specified some IP's for this host on the command line, those are the ONLY IPs that
// can be operated on. So - check and see if they are valid. Hang messages if not and if none
// are valid - then return an error so this host is removed from the Action list. This also
// prevents us from having to check the IP validity anywhere else!
int _sNdx = 0;
do
{
for ( ; _sNdx < specifiedIPs.Count; _sNdx++)
{
string _ip = specifiedIPs[_sNdx];
if (EPRs.FindIndex(_inst => string.Compare(_ip, _inst.IPAddress.ToString()) == 0) < 0)
{
GenUtils.Exclaim(_ip + " is not a valid IP for host " + _ip + ". Removing from the IP List");
break;
}
}
if (_sNdx < specifiedIPs.Count)
{
specifiedIPs.RemoveAt(_sNdx);
}
}while (_sNdx < specifiedIPs.Count);
WorkStatus = specifiedIPs.Count > 0 ? HostVMStatus.Done : HostVMStatus.Error;
}
else
{
WorkStatus = HostVMStatus.Done;
}
}
catch (Exception _ex)
{
WorkStatus = HostVMStatus.Error;
GenUtils.HangError(HostName + " : Connection Exception caught: " + _ex.Message);
GenUtils.DisconnectNetworkDrive(_tnd, true);
}
}
}