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2 Commits
3c94cd92c1
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dev-artem
| Author | SHA1 | Date | |
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fc8bfb6691 | ||
| fe9e7b5438 |
@@ -36,10 +36,10 @@ type Edge5ModbusV3Metric = {
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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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value: number | null
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}
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function toFloatCDAB(reg0: number, reg1: number): number {
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function toFloatCDAB(reg0: number, reg1: number): number | null {
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const buf = Buffer.allocUnsafe(4)
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buf.writeUInt16BE(reg1, 0)
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buf.writeUInt16BE(reg0, 2)
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@@ -63,16 +63,7 @@ function toMetrics(values: number[], timestamp: string): Edge5ModbusV3Metric[] {
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for (let i = 0; i < values.length; i += 2) {
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const tag = TAGS[i / 2]
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const value = toFloatCDAB(values[i], values[i + 1])
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if (isNaN(value)) {
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if (CLOUD_INGEST_TAGS.has(tag)) {
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log(
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`edge5.modbus.v3: не удалось собрать число для ${tag}, ` +
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`исходные values[${i}]=${values[i]}, values[${i + 1}]=${values[i + 1]}, пропуск`,
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)
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}
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continue
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}
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const value = toFloatCDAB(values[i], values[i + 1]); // null is possible to send
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metrics.push({
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edge: EDGE,
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@@ -9,10 +9,10 @@ type Edge5iiModbusMetric = {
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edge: string
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timestamp: string
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tag: string
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value: number
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value: number | null
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};
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function toFloatCDAB(reg0: number, reg1: number): number {
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function toFloatCDAB(reg0: number, reg1: number): number | null {
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const buf = Buffer.allocUnsafe(4)
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buf.writeUInt16BE(reg1, 0)
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buf.writeUInt16BE(reg0, 2)
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@@ -36,14 +36,7 @@ function toMetrics(values: number[], timestamp: string): Edge5iiModbusMetric[] {
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for (let i = 0; i < values.length; i += 2) {
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const tag = `register-${String(i).padStart(3, '0')}`
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const value = toFloatCDAB(values[i], values[i + 1])
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if (isNaN(value)) {
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log(
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`${EDGE}.modbus: не удалось собрать число для ${tag}, ` +
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`исходные values[${i}]=${values[i]}, values[${i + 1}]=${values[i + 1]}, пропуск`,
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)
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continue
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};
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const value = toFloatCDAB(values[i], values[i + 1]); // null is possible to send
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metrics.push({
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edge: EDGE,
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@@ -1,3 +1,4 @@
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import './process-errors.js'
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import './handlers/index.js'
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import './http/server.js'
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import './mqtt.js'
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57
app/src/process-errors.ts
Normal file
57
app/src/process-errors.ts
Normal file
@@ -0,0 +1,57 @@
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type ErrorWithCause = Error & {
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cause?: unknown
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}
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type NodeError = Error & {
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code?: string
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address?: string
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port?: number
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}
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// Undici кладёт системную ошибку соединения внутрь error.cause.
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function getFetchCause(error: unknown): NodeError | null {
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if (!(error instanceof Error)) {
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return null
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}
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const cause = (error as ErrorWithCause).cause
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return cause instanceof Error ? (cause as NodeError) : null
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}
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// Обрабатываем только подсвеченный кейс: backend отказал в TCP-соединении.
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function isFetchConnectionRefused(error: unknown): boolean {
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if (!(error instanceof Error)) {
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return false
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}
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const cause = getFetchCause(error)
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return error.message === 'fetch failed' && cause?.code === 'ECONNREFUSED'
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}
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// Логируем короткую диагностическую форму без огромного stack trace.
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function formatFetchError(error: unknown): object {
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if (!(error instanceof Error)) {
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return { message: String(error) }
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}
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const cause = getFetchCause(error)
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return {
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message: error.message,
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cause: cause?.message,
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code: cause?.code,
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address: cause?.address,
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port: cause?.port,
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}
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}
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// Последний рубеж защиты для fire-and-forget fetch-запросов.
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// Если backend недоступен, Node.js 22 может превратить незахваченный
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// fetch failed / ECONNREFUSED в падение всего процесса mqtt-worker.
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process.on('unhandledRejection', (error) => {
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if (isFetchConnectionRefused(error)) {
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console.error('process.unhandled_fetch_refused', formatFetchError(error))
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return
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}
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console.error('process.unhandled_rejection', error)
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})
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