public CmnCmdResult RunCommand(string txt)
{
var r = m_ssh.RunCommand(txt);
CmnCmdResult res = new CmnCmdResult(r.Result, r.Error, r.ExitStatus);
return(res);
}
public void PollTaaStatus()
{
m_tokenSource = new CancellationTokenSource();
m_statusTask = Task.Run(() =>
{
var ct = m_tokenSource.Token;
try
{
while (true)
{
if (ct.IsCancellationRequested)
{
ct.ThrowIfCancellationRequested();
}
string status;
try
{
status = this.m_icmd.GetCmnCmd().RunCommand("ps ajx | grep taa|grep -v grep").m_result;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
throw ex;
}
int childTaa = 0;
int mainTaa = 0;
int dumpCap = 0;
HashSet <string> infs = new HashSet <string>();
using (StringReader sr = new StringReader(status))
{
string line;
while ((line = sr.ReadLine()) != null)
{
if (line.Contains("/bin/TAA -C"))
{
childTaa++;
}
else if (line.Contains("/bin/TAA"))
{
mainTaa++;
}
else if (line.Contains("bin/dumpcap"))
{
dumpCap++;
string[] ary = line.Split(' ');
int len = ary.Length;
for (int i = 0; i < len; i++)
{
if (ary[i] == "-i")
{
if ((i + 1) < len)
{
infs.Add(ary[i + 1]);
}
}
}
}
}
} //end stringReader
string _status = "";
string _infs = "";
string _status_detail = "";
if (mainTaa != 0 && childTaa != 0 && infs.Count != 0) //running
{
_status = "running";
foreach (var ele in infs)
{
if (_infs.Length > 0)
{
_infs += ",";
}
_infs += ele;
}
_status_detail = "childTaa=" + childTaa.ToString();
}
else if (mainTaa != 0) //unhealthy
{
_status = "unknown";
if (infs.Count == 0)
{
_status_detail = "dumpcap stopped";
}
_status_detail += ",childTaa=" + childTaa.ToString();
}
else
{
_status = "stop";
_status_detail = "stopped";
}
if (_status == "running") //look up kafka broker
{
BrokerUnit bu = null;
foreach (var ele in m_confs)
{
if (ele.m_name == "broker")
{
bu = new BrokerUnit(ele.m_value);
}
}
CmnCmdResult res = m_icmd.GetCmnCmd().RunCommand("ss -anp | grep " + bu.m_port.ToString() + " | grep TAA");
if (res.m_exitCode != 0)
{
_status = "unknown";
}
else
{
int TAACount = Regex.Matches(res.m_result, "TAA").Count;
int ESTABCount = Regex.Matches(res.m_result, "ESTAB").Count;
if (TAACount != ESTABCount)
{
_status = "unknown";
_status_detail = "unstable kafka broker";
}
}
}
if (_status != m_taaStatus)
{
m_taaStatus = _status;
}
if (_infs != m_taaInfs)
{
m_taaInfs = _infs;
}
if (_status_detail != m_statusDetail)
{
m_statusDetail = _status_detail;
}
Thread.Sleep(500);
}
}
catch (Exception ex)
{
//MessageBox.Show(ex.Message);
if (!m_tokenSource.IsCancellationRequested)
{
m_tokenSource.Cancel();
}
LogoutClick(this, null);
return;
}
});
}