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edge5modbu
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644c7a8a78 |
63
app/src/handlers/demo-modbus.ts
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63
app/src/handlers/demo-modbus.ts
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import type { TopicHandler } from '../types.js'
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export const TOPIC = 'data/demo/modbus/v1'
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const EDGE = 'demo'
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const REGISTER_COUNT = 125
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const DEMO_CLOUD_INGEST_URL = process.env.DEMO_CLOUD_INGEST_URL
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type DemoModbusMetric = {
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edge: string
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timestamp: string
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tag: string
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value: number
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}
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function parseValues(payload: Buffer): number[] {
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const values = JSON.parse(payload.toString('utf8')) as number[]
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assertRegisterCount(values)
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return values
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}
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function assertRegisterCount(values: number[]): void {
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if (values.length !== REGISTER_COUNT) {
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throw new Error(`Expected ${REGISTER_COUNT} modbus values, got ${values.length}`)
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}
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}
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function toMetrics(values: number[], timestamp: string): DemoModbusMetric[] {
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return values.map((value, index) => ({
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edge: EDGE,
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timestamp,
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tag: `${EDGE}.modbus.${index + 1}`,
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value,
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}))
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}
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async function postMetrics(metrics: DemoModbusMetric[]): Promise<void> {
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for (const metric of metrics) {
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const response = await fetch(DEMO_CLOUD_INGEST_URL as string, {
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method: 'POST',
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headers: {
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'content-type': 'application/json',
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'x-api-key': process.env.CLOUD_INGEST_API_KEY as string,
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},
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body: JSON.stringify(metric),
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})
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if (!response.ok) {
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const text = await response.text()
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throw new Error(text)
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}
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}
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console.log('demo.modbus.posted', { count: metrics.length })
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}
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export const handleDemoModbus: TopicHandler = async (topic, payload) => {
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console.log('demo.modbus.received', { topic, bytes: payload.length })
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const values = parseValues(payload)
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const metrics = toMetrics(values, new Date().toISOString())
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await postMetrics(metrics)
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}
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@@ -1,10 +1,10 @@
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import { postCloudIngest } from '../cloud-ingest.js'
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import { parseJson } from '../helpers/parse.js'
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import { parseJson } from '../helpers/parse.js'
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import type { TopicHandler } from '../types.js'
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import type { TopicHandler } from '../types.js'
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export const TOPIC = 'data/demo/plc/v1'
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export const TOPIC = 'data/demo/plc/v1'
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const EDGE = 'demo'
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const EDGE = 'demo'
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const DEMO_CLOUD_INGEST_URL = process.env.DEMO_CLOUD_INGEST_URL
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type DemoPlcPayload = {
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type DemoPlcPayload = {
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tag: string
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tag: string
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@@ -28,7 +28,14 @@ function toMetric(payload: DemoPlcPayload, timestamp: string): DemoPlcMetric {
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}
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}
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async function postMetric(metric: DemoPlcMetric): Promise<void> {
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async function postMetric(metric: DemoPlcMetric): Promise<void> {
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const response = await postCloudIngest(metric)
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const response = await fetch(DEMO_CLOUD_INGEST_URL as string, {
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method: 'POST',
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headers: {
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'content-type': 'application/json',
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'x-api-key': process.env.CLOUD_INGEST_API_KEY as string,
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},
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body: JSON.stringify(metric),
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})
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if (!response.ok) {
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if (!response.ok) {
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const text = await response.text()
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const text = await response.text()
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@@ -1,4 +1,5 @@
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import { register } from '../registry.js'
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import { register } from '../registry.js'
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import { handleDemoModbus, TOPIC as demoModbus } from './demo-modbus.js'
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import { handleDemoPlc, TOPIC as demoPlc } from './demo-plc.js'
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import { handleDemoPlc, TOPIC as demoPlc } from './demo-plc.js'
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import { handleEdge5Modbus, TOPIC as edge5Modbus } from './edge5-modbus.js'
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import { handleEdge5Modbus, TOPIC as edge5Modbus } from './edge5-modbus.js'
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import {
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import {
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@@ -7,6 +8,7 @@ import {
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} from './edge5-modbus-v2.js'
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} from './edge5-modbus-v2.js'
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import { handleEdge5Video, TOPIC as edge5Video } from './edge5-video.js'
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import { handleEdge5Video, TOPIC as edge5Video } from './edge5-video.js'
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register(demoModbus, handleDemoModbus)
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register(demoPlc, handleDemoPlc)
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register(demoPlc, handleDemoPlc)
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register(edge5Modbus, handleEdge5Modbus)
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register(edge5Modbus, handleEdge5Modbus)
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register(edge5ModbusV2, handleEdge5ModbusV2)
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register(edge5ModbusV2, handleEdge5ModbusV2)
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@@ -21,6 +21,7 @@ services:
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WS_PORT: "9090"
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WS_PORT: "9090"
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CLOUD_INGEST_URL: ${CLOUD_INGEST_URL:-https://demo.backend.drill.greact.ru/ingest}
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CLOUD_INGEST_URL: ${CLOUD_INGEST_URL:-https://demo.backend.drill.greact.ru/ingest}
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CLOUD_INGEST_API_KEY: ${CLOUD_INGEST_API_KEY:-}
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CLOUD_INGEST_API_KEY: ${CLOUD_INGEST_API_KEY:-}
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DEMO_CLOUD_INGEST_URL: ${DEMO_CLOUD_INGEST_URL:-}
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EDGE5_MODBUS_V2_MAPPING_FILE: ${EDGE5_MODBUS_V2_MAPPING_FILE:-/app/src/mappings/edge5-modbus.json}
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EDGE5_MODBUS_V2_MAPPING_FILE: ${EDGE5_MODBUS_V2_MAPPING_FILE:-/app/src/mappings/edge5-modbus.json}
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volumes:
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volumes:
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