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Optional bytesToRead
bytesToRead: undefined | number
deviceId
deviceId: string
Optional hostname
hostname: undefined | string
requestId
requestId: string
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Last updated 2022-11-04 UTC.
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Request to send a local device command over TCP sockets. Commands are sent to the device using DeviceManager.send.
Example TCP command:
const payload = new Uint8Array([0x00, 0xFF, 0x00, 0xFF]); const command = new DataFlow.TcpRequestData(); command.requestId = request.requestId; command.deviceId = 'device-id'; command.port = 5555; command.operation = Constants.TcpOperation.WRITE; command.data = Buffer.from(payload).toString('hex');Handle the response
If the command succeeds, DeviceManager.send returns a TcpResponseData result. For TcpOperation.READ commands, the result contains a TcpResponse.
const command = new DataFlow.TcpRequestData(); command.operation = Constants.TcpOperation.READ; ... localHomeApp.getDeviceManager() .send(command) .then((result: DataFlow.CommandSuccess) => { const tcpResult = result as DataFlow.TcpResponseData; const response = tcpResult.tcpResponse.data; }) .catch((err: IntentFlow.HandlerError) => { // Handle command error });