77 lines
2.5 KiB
JavaScript
77 lines
2.5 KiB
JavaScript
const baseUrl = window.location
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const eventSource = new EventSource(baseUrl + "/api/events")
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let prevCPUIdle = 0
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let prevCPUKernel = 0
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let prevCPUUser = 0
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eventSource.onmessage = function (event) {
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const data = JSON.parse(event.data)
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const GB = 1024 * 1024 * 1024
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let currentCPUIdle = data.processor_info.IdleTimeSinceBoot
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let currentCPUKernel = data.processor_info.KernelTimeSinceBoot
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let currentCPUUser = data.processor_info.UserTimeSinceBoot
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document.getElementById("cpu-load").innerText = data.load_average.Load1.toFixed(2) + " " + data.load_average.Load5.toFixed(2) + " " + data.load_average.Load15.toFixed(2)
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document.getElementById("cpu-usage").innerText = calculateCPUUsage(currentCPUIdle, currentCPUKernel, currentCPUUser).toFixed(2) + "%"
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document.getElementById("memory").innerText = ((data.memory_info.SystemMemory - data.memory_info.AvailableMemory) / GB).toFixed(2) + "/" + (data.memory_info.SystemMemory / GB).toFixed(2)
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document.getElementById("temperature").innerText = checkTemperatureAvailability(data.temperature_info)
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document.getElementById("uptime").innerText = formatUptime(data.uptime_info)
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}
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function calculateCPUUsage(currentIdle, currentKernel, currentUser) {
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if (prevCPUIdle === 0 || prevCPUKernel === 0 || prevCPUUser === 0) {
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prevCPUIdle = currentIdle
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prevCPUKernel = currentKernel
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prevCPUUser = currentUser
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return 0
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}
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deltaIdle = currentIdle - prevCPUIdle
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deltaKernel = currentKernel - prevCPUKernel
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deltaUser = currentUser - prevCPUUser
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deltaTotal = deltaIdle + deltaKernel + deltaUser
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totalCPUUsage = ((deltaKernel + deltaUser) / deltaTotal) * 100
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prevCPUIdle = currentIdle
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prevCPUKernel = currentKernel
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prevCPUUser = currentUser
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return totalCPUUsage
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}
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function checkTemperatureAvailability(temperatureStruct) {
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if (temperatureStruct.Supported) {
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return temperatureStruct.Celsius + "C°"
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} else {
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return "Unsupported"
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}
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}
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function formatUptime(uptimeStruct) {
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total = Math.round(uptimeStruct.Uptime)
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if (total < 60) {
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return Math.floor(total)
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}
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s = total % 60
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m = (total / 60) % 60
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if (total < 3000) {
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return Math.floor(m)+":"+String(Math.floor(s)).padStart(2, '0')
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}
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h = (total / 3600) % 24
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if (total < 86400) {
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return Math.floor(h)+":"+String(Math.floor(m)).padStart(2, '0')+":"+String(Math.floor(s)).padStart(2, '0')
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}
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d = total / 86400
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return Math.floor(d)+":"+String(Math.floor(h)).padStart(2, '0')+":"+String(Math.floor(m)).padStart(2, '0')+":"+String(Math.floor(s)).padStart(2, '0')
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}
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