class TelemetryDiagnostics: DiagnosticChannelConnectionString = "*111#" def __init__(self): self._telemetry_client = TelemetryClient() self.diagnostic_info = "" def check_transmission(self): self.diagnostic_info = "" self._telemetry_client.disconnect() retryLeft = 3 while ((not self._telemetry_client.online_status) and retryLeft > 0): self._telemetry_client.connect(TelemetryDiagnostics.DiagnosticChannelConnectionString) retryLeft -= 1 if not self._telemetry_client.online_status: raise Exception("Unable to connect.") self._telemetry_client.send(TelemetryClient.DIAGNOSTIC_MESSAGE) self.diagnostic_info = self._telemetry_client.receive()