virtual-device

Quick start

Write your DeviceProfile as config file(config/profile.json).
Write your DeviceList and VirtualResource as config file(config/device.json), VirtualResource is referred to device resources which define in DeviceProfile
Install a kafka broker and create topic(default test), config them in the kafka_reporter.
Run main

Understand how it worked

DeviceProfile define a kind of device's resource, resource has value attr.
DeviceList define device's attr and virtual resource.
VirtualResource is {profile_name}:{resource_name}:VirtualResource, eg: crane:current:ResourceFloat.
Every device create a VirtualDeviceTwin with VirtualResource, then spawn VirtualDeviceTwin to a thread to generate Values and reporter them.

Features

Rich virtual resource: random, line etc.
Rich reporter with sequence: kafka and mqtt, kafka use one common topic and split one device to one partition by device_id key, mqtt sequence with one device one topic which topic name is topic_prefix/device_id.

Supported virtual resource

resource_float : random f32 between maximum and minimum
resource_int: random i32 between maximum and minimum
one_of_list: config a type list, get one of them

Example

"{\"device_id\":\"001\",\"event_time\":\"1650793385418\",\"current\":\"1.5\",\"voltage\":\"9\"}"
"{\"device_id\":\"002\",\"voltage\":\"7\",\"event_time\":\"1650793385418\",\"current\":\"1.5\"}"
Successfully produced record to topic test partition [0] @ offset 436
Successfully produced record to topic test partition [0] @ offset 437
"{\"device_id\":\"001\",\"event_time\":\"1650793385418\",\"current\":\"1.5\",\"voltage\":\"3\"}"
"{\"device_id\":\"002\",\"voltage\":\"0\",\"event_time\":\"1650793385418\",\"current\":\"1.5\"}"
Successfully produced record to topic test partition [0] @ offset 438
Successfully produced record to topic test partition [0] @ offset 439
"{\"device_id\":\"001\",\"event_time\":\"1650793385418\",\"current\":\"1.5\",\"voltage\":\"0\"}"
"{\"device_id\":\"002\",\"voltage\":\"0\",\"event_time\":\"1650793385418\",\"current\":\"1.5\"}"
Successfully produced record to topic test partition [0] @ offset 440
Successfully produced record to topic test partition [0] @ offset 441
"{\"device_id\":\"001\",\"event_time\":\"1650793385418\",\"current\":\"1.5\",\"voltage\":\"4\"}"
"{\"device_id\":\"002\",\"voltage\":\"0\",\"event_time\":\"1650793385418\",\"current\":\"1.5\"}"
Successfully produced record to topic test partition [0] @ offset 442
Successfully produced record to topic test partition [0] @ offset 443

egccri / virtual-device Goto Github PK

virtual-device's Introduction

virtual-device

Quick start

Understand how it worked

Features

Supported virtual resource

Example

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