/// <summary>
/// Starts the process.
/// </summary>
/// <exception cref="System.InvalidOperationException">Cannot Start Running Process.</exception>
/// <exception cref="ProcessHelpers.PsExecCommandException">PSTools command did not successfully complete</exception>
public void Start()
{
if (this.IsProcessRunning)
{
throw new InvalidOperationException("Cannot Start Running Process.");
}
/* Command: Use PsExec http://ss64.com/nt/psexec.html
* - i : Interactive - Run the program so that it interacts with the desktop on the remote system.
* - d : Don’t wait for the application to terminate.
* - accepteula: Suppress the display of the license dialog.
*/
const string Args = @" -accepteula -i -d \\{0}{1} ""{2}""";
using (
var psExecProcess = new Process()
{
StartInfo =
new ProcessStartInfo()
{
UseShellExecute = false,
RedirectStandardOutput = false,
RedirectStandardError = true,
RedirectStandardInput = true,
FileName = this.config.ExecPath,
Arguments = string.Format(Args, this.hostname, this.GetCredentialPowershellArgs(), this.exePath)
}
})
using (var psExec = new SystemProcess(psExecProcess, x => x.Kill()))
{
psExec.Start();
var standardError = ReadWithTimeout(psExecProcess.StandardError);
if (!standardError.Contains(string.Format("started on {0} with process ID", this.hostname)))
{
throw new PsExecCommandException(string.Format("Failure running PsExec: {0}", standardError));
}
this.processId = this.GetPid(standardError);
}
this.IsProcessRunning = true;
}
/// <summary>
/// Immediately stops the associated process.
/// </summary>
/// <exception cref="System.InvalidOperationException">Cannot Terminate Non-Running Process.</exception>
/// <exception cref="PsExecCommandException">PSTools command did not successfully complete</exception>
public void Kill()
{
if (!this.IsProcessRunning)
{
throw new InvalidOperationException("Cannot Terminate Non-Running Process.");
}
/* Command: Use PsKill http://ss64.com/nt/pskill.html
* - accepteula: Suppress the display of the license dialog.
*/
const string Args = @" -accepteula \\{0} ""{1}""";
using (
var psKillProcess = new Process()
{
StartInfo =
new ProcessStartInfo()
{
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = false,
RedirectStandardInput = true,
FileName = this.config.KillPath,
Arguments = string.Format(Args, this.hostname, this.processId) // -t treekill seems to regularly cause PsKill to crash
}
})
using (var psKill = new SystemProcess(psKillProcess, x => x.Kill()))
{
psKill.Start();
var standardOutput = ReadWithTimeout(psKillProcess.StandardOutput);
if (
!(standardOutput.Contains(string.Format("Process {0} killed", this.processId)) ||
standardOutput.Contains(string.Format("Process {0} on {1} killed", this.processId, this.hostname))))
{
throw new PsExecCommandException(string.Format("Failure running PsExec: {0}", standardOutput));
}
}
this.IsProcessRunning = false;
}
