|
public Expect ( |
||
| regex | The regular expression to expect. | |
| return | string | |
private void WaitForPrompt(ShellStream stream, bool timeOut)
{
if (_verbose)
{
if (timeOut)
{
stream.Expect(TimeSpan.FromSeconds(5), new Renci.SshNet.ExpectAction("#",
(output) =>
{
if (_console != null)
_console.Log.Write(output);
}));
}
else
{
stream.Expect(new Renci.SshNet.ExpectAction("#",
(output) =>
{
if (_console != null)
_console.Log.Write(output);
}));
}
}
else
{
if (timeOut)
stream.Expect("#", TimeSpan.FromSeconds(5));
else
stream.Expect("#");
}
}
/// <summary>
/// Dump the input until we see a particular string in the returning text.
/// </summary>
/// <param name="s"></param>
/// <param name="refreshTimeout">If we see something back from the host, reset the timeout counter</param>
/// <param name="p"></param>
/// <param name="failNow">Function that returns true if we should throw out right away</param>
private void DumpTillFind(ShellStream s, string matchText,
Action<string> ongo = null,
bool dontdumplineofmatch = true,
int secondsTimeout = 60*60,
bool refreshTimeout = false,
Func<bool> failNow = null
)
{
var lb = new LineBuffer(ongo);
if (dontdumplineofmatch)
{
lb.Suppress(matchText);
}
var timeout = DateTime.Now + TimeSpan.FromSeconds(secondsTimeout);
bool gotmatch = false;
while (timeout > DateTime.Now)
{
s.Expect(TimeSpan.FromMilliseconds(100), new ExpectAction(matchText, l => { lb.Add(l); gotmatch = true; }));
gotmatch = gotmatch || lb.Match(matchText);
if (gotmatch)
break;
var data = s.Read();
if (data != null && data.Length > 0 && refreshTimeout)
{
timeout = DateTime.Now + TimeSpan.FromSeconds(secondsTimeout);
}
lb.Add(data);
if (failNow != null && failNow())
{
throw new SSHCommandInterruptedException("Calling routine requested termination of command");
}
}
if (!gotmatch)
{
throw new TimeoutException(string.Format("Waiting for '{0}' back from host and it was not seen inside of {1} seconds.", matchText, secondsTimeout));
}
lb.DumpRest();
}
private void SSHForm_Load(object sender, EventArgs e)
{
client = new SshClient(server, port, user,pwd);
client.Connect();
string reply = string.Empty;
shellStream = client.CreateShellStream("dumb", 80, 24, 800, 600, 1024);
reply = shellStream.Expect(new Regex(@":.*>#"), new TimeSpan(0, 0, 3));
shellStream.DataReceived += ShellStream_DataReceived;
richTextBox1.Text = "server connected\n";
richTextBox1.SelectionStart = richTextBox1.Text.Length;
richTextBox1.ScrollToCaret();
}
