Simulates a device sending telemetry data. Uses TCP or UDP to send data that Serial Studio can receive via the network driver.
| 16 | |
| 17 | |
| 18 | class DeviceSimulator: |
| 19 | """ |
| 20 | Simulates a device sending telemetry data. |
| 21 | |
| 22 | Uses TCP or UDP to send data that Serial Studio can receive via |
| 23 | the network driver. |
| 24 | """ |
| 25 | |
| 26 | def __init__( |
| 27 | self, |
| 28 | host: str = "127.0.0.1", |
| 29 | port: int = 9000, |
| 30 | protocol: str = "tcp", |
| 31 | ): |
| 32 | """ |
| 33 | Initialize device simulator. |
| 34 | |
| 35 | Args: |
| 36 | host: Host to bind to (127.0.0.1 for localhost) |
| 37 | port: Port to listen on |
| 38 | protocol: "tcp" or "udp" |
| 39 | """ |
| 40 | self.host = host |
| 41 | self.port = port |
| 42 | self.protocol = protocol.lower() |
| 43 | |
| 44 | self._socket: Optional[socket.socket] = None |
| 45 | self._thread: Optional[threading.Thread] = None |
| 46 | self._running = False |
| 47 | self._client_socket: Optional[socket.socket] = None |
| 48 | |
| 49 | def start(self) -> None: |
| 50 | """Start the simulator server.""" |
| 51 | if self._running: |
| 52 | return |
| 53 | |
| 54 | if self.protocol == "tcp": |
| 55 | self._socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) |
| 56 | self._socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) |
| 57 | self._socket.bind((self.host, self.port)) |
| 58 | self._socket.listen(1) |
| 59 | self._socket.settimeout(1.0) |
| 60 | else: |
| 61 | self._socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) |
| 62 | self._socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) |
| 63 | self._socket.bind((self.host, self.port)) |
| 64 | self._socket.settimeout(1.0) |
| 65 | |
| 66 | self._running = True |
| 67 | self._thread = threading.Thread(target=self._server_loop, daemon=True) |
| 68 | self._thread.start() |
| 69 | |
| 70 | def stop(self) -> None: |
| 71 | """Stop the simulator server.""" |
| 72 | self._running = False |
| 73 | |
| 74 | if self._client_socket: |
| 75 | try: |
no outgoing calls