public async Task <string> Connect(string exePath = null)
{
try
{
string address = null;
ProcessUtils proc = new ProcessUtils(c_processName, exePath);
if (!proc.IsRunning())
{
await proc.Start((msg) => ProcessStdOutCallBack(msg, ref address));
if (String.IsNullOrEmpty(address))
{
return(cFailed);
}
}
else
{
address = cBasePipeAddress;
}
if (!String.IsNullOrEmpty(address))
{
_channel = CreateChannel(address);
// call a function to test consistency of contract file.
string test = _channel.GetCameraJson();
if (_channel != null)
{
return(cSuccess);
}
else
{
return(cFailed);
}
}
return(cFailed);
}
catch
{
_channel = null;
return(cFailed);
}
}
public string GetCamera()
{
if (_channel == null)
{
return(cNeedConnect);
}
try
{
return(_channel.GetCameraJson());
}
catch (Exception ex)
{
if (ex is FaultException <EarthNamedpipeFault> )
{
return((ex as FaultException <EarthNamedpipeFault>).Message);
}
else
{
return(ex.Message);
}
}
}
public bool Connect()
{
try
{
_channel = CreateChannel(cBasePipeAddress);
// call a function to test consistency of contract file.
string test = _channel.GetCameraJson();
if (_channel != null)
{
return(true);
}
else
{
_channel = null;
return(false);
}
}
catch
{
return(false);
}
}