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126 lines
3.4 KiB
126 lines
3.4 KiB
import dynamic from "next/dynamic";
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import { useState, useEffect } from "react";
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import { useTranslation } from "next-i18next";
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import Error from "../components/error";
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import Container from "../components/container";
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import Block from "../components/block";
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import useWidgetAPI from "utils/proxy/use-widget-api";
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const ChartDual = dynamic(() => import("../components/chart_dual"), { ssr: false });
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const defaultPointsLimit = 15;
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const defaultInterval = 1000;
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export default function Component({ service }) {
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const { t } = useTranslation();
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const { widget } = service;
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const { chart, refreshInterval = defaultInterval, pointsLimit = defaultPointsLimit, version = 3 } = widget;
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const [, diskName] = widget.metric.split(":");
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const [dataPoints, setDataPoints] = useState(
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new Array(pointsLimit).fill({ read_bytes: 0, write_bytes: 0, time_since_update: 0 }, 0, pointsLimit),
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);
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const [ratePoints, setRatePoints] = useState(new Array(pointsLimit).fill({ a: 0, b: 0 }, 0, pointsLimit));
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const { data, error } = useWidgetAPI(service.widget, `${version}/diskio`, {
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refreshInterval: Math.max(defaultInterval, refreshInterval),
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});
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const calculateRates = (d) =>
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d.map((item) => ({
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a: item.read_bytes / item.time_since_update,
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b: item.write_bytes / item.time_since_update,
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}));
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useEffect(() => {
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if (data) {
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const diskData = data.find((item) => item.disk_name === diskName);
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setDataPoints((prevDataPoints) => {
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const newDataPoints = [...prevDataPoints, diskData];
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if (newDataPoints.length > pointsLimit) {
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newDataPoints.shift();
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}
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return newDataPoints;
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});
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}
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}, [data, diskName, pointsLimit]);
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useEffect(() => {
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setRatePoints(calculateRates(dataPoints));
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}, [dataPoints]);
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if (error) {
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return (
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<Container chart={chart}>
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<Error error={error} />
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</Container>
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);
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}
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if (!data) {
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return (
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<Container chart={chart}>
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<Block position="bottom-3 left-3">-</Block>
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</Container>
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);
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}
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const diskData = data.find((item) => item.disk_name === diskName);
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if (!diskData) {
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return (
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<Container chart={chart}>
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<Block position="bottom-3 left-3">-</Block>
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</Container>
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);
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}
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const diskRates = calculateRates(dataPoints);
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const currentRate = diskRates[diskRates.length - 1];
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return (
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<Container chart={chart}>
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{chart && (
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<ChartDual
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dataPoints={ratePoints}
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label={[t("glances.read"), t("glances.write")]}
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max={diskData.critical}
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formatter={(value) =>
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t("common.bitrate", {
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value,
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})
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}
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/>
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)}
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{currentRate && !error && (
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<Block position={chart ? "bottom-3 left-3" : "bottom-3 right-3"}>
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<div className="text-xs opacity-50 text-right">
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{t("common.bitrate", {
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value: currentRate.a,
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})}{" "}
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{t("glances.read")}
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</div>
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<div className="text-xs opacity-50 text-right">
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{t("common.bitrate", {
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value: currentRate.b,
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})}{" "}
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{t("glances.write")}
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</div>
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</Block>
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)}
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<Block position={chart ? "bottom-3 right-3" : "bottom-3 left-3"}>
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<div className="text-xs opacity-75">
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{t("common.bitrate", {
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value: currentRate.a + currentRate.b,
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})}
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</div>
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</Block>
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</Container>
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);
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}
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