private static SDBConnection EstablishConnection(string serialNumber)
{
SDBConnection sdbConnection = SDBConnection.Create();
if (sdbConnection == null)
{
Debug.WriteLine("Failed to establish SDB connection.");
return(null);
}
string msgForConnection = "host:transport:" + serialNumber;
SDBRequest request = SDBConnection.MakeRequest(msgForConnection);
SDBResponse response = sdbConnection.Send(request);
if (response.IOSuccess && response.Okay)
{
return(sdbConnection);
}
else
{
Debug.WriteLine($"Failed to get SDB response. {response.Message}");
sdbConnection.Close();
return(null);
}
}
private static bool SendMsg(SDBConnection sdbConnection, string protocol, string cmd, string[] args)
{
string msg = protocol + SDBProtocol.delemeter + cmd;
foreach (string arg in args)
{
msg += (SDBProtocol.delemeter + arg);
}
SDBRequest request = SDBConnection.MakeRequest(msg);
SDBResponse response = sdbConnection.Send(request);
if (!response.IOSuccess || !response.Okay)
{
Debug.WriteLine($"Failed to get SDB response. {response.Message}");
sdbConnection.Close();
return(false);
}
return(true);
}
private DeviceMonitorResult DeviceChangeDetectTask()
{
DeviceMonitorResult ret = DeviceMonitorResult.CanceledByUser;
this.sdbconnection = SDBConnection.Create();
if (this.sdbconnection == null)
{
OutputDeviceInfoMsg("Failed to connect to SDB Server. ");
this.taskCancelSource.Cancel();
retryConntectServerCount--;
if (retryConntectServerCount > 0)
{
NotifyConnectServerFailed();
}
else
{
OutputDeviceInfoMsg("Too many retries.\n" +
" Please check Tools option and sdb.exe is installed correctly.\n" +
" After the problem is fixed, reopen the Solution to start the Device Monitor");
}
return(DeviceMonitorResult.SdbEstablishmentError);
}
Thread.Sleep(100);
SDBRequest request = SDBConnection.MakeRequest("host:track-devices");
SDBResponse response = this.sdbconnection.Send(request);
if (!response.IOSuccess || !response.Okay)
{
this.sdbconnection.Close();
this.sdbconnection = null;
OutputDeviceInfoMsg("Failed to start device monitor.");
this.taskCancelSource.Cancel();
NotifyConnectServerFailed();
return(DeviceMonitorResult.SdbResponseError);
}
OutputDeviceInfoMsg("Device monitor started.");
CancellationToken cancelToken = this.taskCancelSource.Token;
bool connectionError = false;
while (true)
{
if (this.sdbconnection.ConnectionError())
{
connectionError = true;
OutputDeviceInfoMsg("SDB Server disconnected.");
ret = DeviceMonitorResult.SdbServerKilled;
break;
}
if (this.sdbconnection.DataAvailable())
{
int length = this.sdbconnection.ReadLength();
if (length > 0)
{
OutputDeviceChangeMsg();
byte[] buffer = new byte[length];
string result = this.sdbconnection.ReadData(buffer);
ProcessDeviceData(result);
NotifySubscribers();
}
else if (length == 0)
{
if (this.deviceInfoList.Count > 0)
{
// show message only if there was any device connected
// we don't have to show when 0 changed to 0
OutputDeviceChangeMsg();
}
ProcessDeviceData(String.Empty);
NotifySubscribers();
}
else
{
if (cancelToken.IsCancellationRequested)
{
ret = DeviceMonitorResult.CanceledByUser;
break;
}
connectionError = true;
OutputDeviceInfoMsg("SDB Server disconnected.");
ret = DeviceMonitorResult.SdbServerKilled;
break;
}
}
else
{
#if DEBUG
////OutputDeviceInfoMsg("sdb host:track-devices timeout...", false);
#endif
Thread.Sleep(1);
}
if (cancelToken.IsCancellationRequested)
{
ret = DeviceMonitorResult.CanceledByUser;
break;
}
}
this.sdbconnection.Close();
this.sdbconnection = null;
if (connectionError)
{
NeedsRestart = true;
}
return(ret);
}