/// <summary>
/// Stop tunnel
/// </summary>
/// <returns>Connection state of tunnel and string with error message if occured (null if no error).</returns>
/// <exception cref="BashProcessNotInintializedException">Throws when tunneling proces wasn't initialized</exception>
/// <exception cref="BashProcessNotRunningException">Throws when tunneling proces is not running</exception>
public async Task <(TunnelConnectionState, string)> Stop()
{
if (_SSHProcess == null)
{
throw new BashProcessNotInintializedException();
}
else if (!_SSHProcess.IsProcessRunning || _SSHProcess.CurrentBashProcess.HasExited)
{
IsTunnelEstablished = false;
throw new BashProcessNotRunningException();
}
_SSHProcess.KillProcess();
IsTunnelEstablished = false;
return(await CheckAndKillOldProcesses());
}
/// <summary>
/// Finds old processes used by last command and kill them
/// </summary>
/// <returns>Current tunnel connection type</returns>
public async Task <(TunnelConnectionState, string)> CheckAndKillOldProcesses()
{
try
{
if (await CheckConnectionType() != TunnelConnectionState.NoConnection)
{
List <int> PIDs = BashProcess.FindPIDs(LastStartedCommandSSH ?? DefaultSSHCommand);
foreach (int pid in PIDs)
{
BashProcess.KillProcess(pid);
}
}
return(await CheckConnectionType(), null);
}
catch (TunnelEstablishedException ex)
{
return(TunnelConnectionState.StoppedWithoutChecking, ex.Message);
}
}