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pause health check when in background, resume when back to foreground
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Mothana
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Sep 2, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,132 +1,159 @@ | ||
| import { useCallback, useEffect, useMemo } from "react" | ||
| import { getAllNostrClients, getNostrClient, nostrCallback, subToBeacons } from "../../Api/nostr" | ||
| import { useCallback, useEffect, useRef, useState } from "react" | ||
| import { getAllNostrClients, nostrCallback, subToBeacons } from "../../Api/nostr" | ||
| import { toast } from "react-toastify"; | ||
| import Toast from "../Toast"; | ||
| import { useDispatch, useSelector } from "../../State/store"; | ||
| import { editPaySources } from "../../State/Slices/paySourcesSlice"; | ||
| import { editSpendSources } from "../../State/Slices/spendSourcesSlice"; | ||
| import { App } from "@capacitor/app"; | ||
|
|
||
| const SubsCheckIntervalMs = 20 * 1000 | ||
| const SubsThresholdMs = 10 * 1000 | ||
| const BeaconMaxAgeSeconds = 2 * 60 | ||
| export const HealthCheck = () => { | ||
| const paySource = useSelector(({ paySource }) => paySource) | ||
| const spendSource = useSelector(({ spendSource }) => spendSource) | ||
| const dispatch = useDispatch(); | ||
| const updateSourceState = useCallback((source: string, state: { disconnected: boolean, name?: string }) => { | ||
| const payEntryId = paySource.order.find(s => s.startsWith(source)) | ||
| if (payEntryId) { | ||
| const payEntry = paySource.sources[payEntryId] | ||
| let doUpdate = false | ||
| const update = { ...payEntry } | ||
| if (payEntry.disconnected !== state.disconnected) { | ||
| update.disconnected = state.disconnected | ||
| doUpdate = true | ||
| } | ||
| if (state.name && payEntry.label !== state.name) { | ||
| update.label = state.name | ||
| doUpdate = true | ||
| } | ||
| if (doUpdate) { | ||
| console.log("updating pay source", source) | ||
| dispatch({ | ||
| type: editPaySources.type, | ||
| payload: update, | ||
| meta: { skipChangelog: true } | ||
| }) | ||
| } | ||
| } | ||
| const spendEntryId = spendSource.order.find(s => s.startsWith(source)) | ||
| if (spendEntryId) { | ||
| const spendEntry = spendSource.sources[spendEntryId] | ||
| let doUpdate = false | ||
| const update = { ...spendEntry } | ||
| if (spendEntry.disconnected !== state.disconnected) { | ||
| update.disconnected = state.disconnected | ||
| doUpdate = true | ||
| } | ||
| if (state.name && spendEntry.label !== state.name) { | ||
| update.label = state.name | ||
| doUpdate = true | ||
| } | ||
| if (doUpdate) { | ||
| console.log("updating spend source", source) | ||
| const paySource = useSelector(({ paySource }) => paySource) | ||
| const spendSource = useSelector(({ spendSource }) => spendSource) | ||
| const dispatch = useDispatch(); | ||
|
|
||
| dispatch({ | ||
| type: editSpendSources.type, | ||
| payload: update, | ||
| meta: { skipChangelog: true } | ||
| }) | ||
| } | ||
| } | ||
| }, [paySource, spendSource]) | ||
| const [isAppActive, setIsAppActive] = useState(true); | ||
| const intervalRef = useRef<NodeJS.Timeout | null>(null); | ||
|
|
||
|
|
||
| const checkHealth = useCallback(() => { | ||
| getAllNostrClients().forEach((wrapper) => { | ||
| const state = wrapper.getClientState() | ||
| let oldestSingleSub: nostrCallback<any> | undefined = undefined | ||
| wrapper.getSingleSubs().forEach(([_, cb]) => { | ||
| if (!oldestSingleSub || oldestSingleSub.startedAtMillis > cb.startedAtMillis) { | ||
| oldestSingleSub = cb | ||
| } | ||
| }) | ||
| if (!oldestSingleSub) { | ||
| console.log("no active single subs") | ||
| return | ||
| } | ||
| const now = Date.now() | ||
| const startedAtMillis = (oldestSingleSub as nostrCallback<any>).startedAtMillis | ||
| if (now - startedAtMillis < SubsThresholdMs) { | ||
| console.log("oldest single sub is less than ", SubsThresholdMs, " seconds old") | ||
| return | ||
| } | ||
| console.log("oldest sub is", (startedAtMillis - now) / 1000, "seconds old!") | ||
| if (now - state.latestResponseAtMillis <= SubsThresholdMs) { | ||
| console.log("latest response is less than ", SubsThresholdMs, " seconds old") | ||
| return | ||
| } | ||
| console.log("latest response is more than ", SubsThresholdMs, " seconds old, checking beacon state") | ||
| wrapper.checkBeaconHealth(BeaconMaxAgeSeconds).then(beacon => { | ||
| if (!beacon) { | ||
| console.log("service is down, beacon is older than", BeaconMaxAgeSeconds, "seconds, disconnecting") | ||
| wrapper.disconnectCalls() | ||
| toast.error(<Toast title="Source Error" message={`Cannot connect to source: ${wrapper.getPubDst().slice(0, 10)}.`} />) | ||
| updateSourceState(wrapper.getPubDst(), { disconnected: true, }) | ||
| return | ||
| } | ||
| updateSourceState(wrapper.getPubDst(), { disconnected: false, name: beacon.data.name }) | ||
|
|
||
| }) | ||
| }) | ||
| const updateSourceState = useCallback((source: string, state: { disconnected: boolean, name?: string }) => { | ||
| const payEntryId = paySource.order.find(s => s.startsWith(source)) | ||
| if (payEntryId) { | ||
| const payEntry = paySource.sources[payEntryId] | ||
| let doUpdate = false | ||
| const update = { ...payEntry } | ||
| if (payEntry.disconnected !== state.disconnected) { | ||
| update.disconnected = state.disconnected | ||
| doUpdate = true | ||
| } | ||
| if (state.name && payEntry.label !== state.name) { | ||
| update.label = state.name | ||
| doUpdate = true | ||
| } | ||
| if (doUpdate) { | ||
| console.log("updating pay source", source) | ||
| dispatch({ | ||
| type: editPaySources.type, | ||
| payload: update, | ||
| meta: { skipChangelog: true } | ||
| }) | ||
| } | ||
| } | ||
| const spendEntryId = spendSource.order.find(s => s.startsWith(source)) | ||
| if (spendEntryId) { | ||
| const spendEntry = spendSource.sources[spendEntryId] | ||
| let doUpdate = false | ||
| const update = { ...spendEntry } | ||
| if (spendEntry.disconnected !== state.disconnected) { | ||
| update.disconnected = state.disconnected | ||
| doUpdate = true | ||
| } | ||
| if (state.name && spendEntry.label !== state.name) { | ||
| update.label = state.name | ||
| doUpdate = true | ||
| } | ||
| if (doUpdate) { | ||
| console.log("updating spend source", source) | ||
|
|
||
| }, [updateSourceState]) | ||
| dispatch({ | ||
| type: editSpendSources.type, | ||
| payload: update, | ||
| meta: { skipChangelog: true } | ||
| }) | ||
| } | ||
| } | ||
| }, [paySource, spendSource, dispatch]) | ||
|
|
||
| useEffect(() => { | ||
| const interval = setInterval(() => { | ||
| checkHealth() | ||
| }, SubsCheckIntervalMs) | ||
| return () => { | ||
| clearInterval(interval) | ||
| } | ||
| }, [checkHealth]) | ||
|
|
||
| useEffect(() => { | ||
| return subToBeacons(up => { | ||
| updateSourceState(up.createdByPub, { disconnected: false, name: up.name }) | ||
| }) | ||
| }, [updateSourceState]) | ||
| /* | ||
| const updateSourceState = (source: string, connected: boolean) => { | ||
| const payEntry = paySource.find(s => s.pasteField === source) | ||
| if (payEntry) { | ||
| dispatch(editPaySources({ ...payEntry, disconnected: !connected })) | ||
| } | ||
| const spendEntry = spendSource.find(s => s.pasteField === source) | ||
| if (spendEntry) { | ||
| dispatch(editSpendSources({ ...spendEntry, disconnected: !connected })) | ||
| } | ||
| } | ||
| */ | ||
| return null | ||
| const checkHealth = useCallback(() => { | ||
| if (!isAppActive) { | ||
| console.log("App is in the background, skipping health check"); | ||
| return; | ||
| } | ||
|
|
||
| getAllNostrClients().forEach((wrapper) => { | ||
| const state = wrapper.getClientState() | ||
| let oldestSingleSub: nostrCallback<any> | undefined = undefined | ||
| wrapper.getSingleSubs().forEach(([_, cb]) => { | ||
| if (!oldestSingleSub || oldestSingleSub.startedAtMillis > cb.startedAtMillis) { | ||
| oldestSingleSub = cb | ||
| } | ||
| }) | ||
| if (!oldestSingleSub) { | ||
| console.log("no active single subs") | ||
| return | ||
| } | ||
| const now = Date.now() | ||
| const startedAtMillis = (oldestSingleSub as nostrCallback<any>).startedAtMillis | ||
| if (now - startedAtMillis < SubsThresholdMs) { | ||
| console.log("oldest single sub is less than ", SubsThresholdMs, " seconds old") | ||
| return | ||
| } | ||
| console.log("oldest sub is", (startedAtMillis - now) / 1000, "seconds old!") | ||
| if (now - state.latestResponseAtMillis <= SubsThresholdMs) { | ||
| console.log("latest response is less than ", SubsThresholdMs, " seconds old") | ||
| return | ||
| } | ||
| console.log("latest response is more than ", SubsThresholdMs, " seconds old, checking beacon state") | ||
| wrapper.checkBeaconHealth(BeaconMaxAgeSeconds).then(beacon => { | ||
| if (!beacon) { | ||
| console.log("service is down, beacon is older than", BeaconMaxAgeSeconds, "seconds, disconnecting") | ||
| wrapper.disconnectCalls() | ||
| toast.error(<Toast title="Source Error" message={`Cannot connect to source: ${wrapper.getPubDst().slice(0, 10)}.`} />) | ||
| updateSourceState(wrapper.getPubDst(), { disconnected: true, }) | ||
| return | ||
| } | ||
| updateSourceState(wrapper.getPubDst(), { disconnected: false, name: beacon.data.name }) | ||
|
|
||
| }) | ||
| }) | ||
|
|
||
| }, [updateSourceState, isAppActive]) | ||
|
|
||
| useEffect(() => { | ||
| if (isAppActive) { | ||
| intervalRef.current = setInterval(() => { | ||
| checkHealth(); | ||
| }, SubsCheckIntervalMs); | ||
| } else if (intervalRef.current) { | ||
| clearInterval(intervalRef.current); | ||
| intervalRef.current = null; | ||
| } | ||
| return () => { | ||
| if (intervalRef.current) { | ||
| clearInterval(intervalRef.current); | ||
| } | ||
| } | ||
| }, [checkHealth, dispatch, isAppActive]) | ||
|
|
||
| useEffect(() => { | ||
| const listener = App.addListener("appStateChange", (state) => setIsAppActive(state.isActive)); | ||
|
|
||
| return () => { | ||
| listener.remove(); | ||
| } | ||
| }, []) | ||
|
|
||
| useEffect(() => { | ||
| return subToBeacons(up => { | ||
| updateSourceState(up.createdByPub, { disconnected: false, name: up.name }) | ||
| }) | ||
| }, [updateSourceState]) | ||
| /* | ||
| const updateSourceState = (source: string, connected: boolean) => { | ||
| const payEntry = paySource.find(s => s.pasteField === source) | ||
| if (payEntry) { | ||
| dispatch(editPaySources({ ...payEntry, disconnected: !connected })) | ||
| } | ||
| const spendEntry = spendSource.find(s => s.pasteField === source) | ||
| if (spendEntry) { | ||
| dispatch(editSpendSources({ ...spendEntry, disconnected: !connected })) | ||
| } | ||
| } | ||
| */ | ||
| return null | ||
| } |