635 lines
15 KiB
Go
635 lines
15 KiB
Go
package webui
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import (
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"fmt"
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"html"
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"net/http"
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"sort"
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"strings"
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"time"
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"bee/audit/internal/platform"
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)
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func (h *handler) handleMetricsChartSVG(w http.ResponseWriter, r *http.Request) {
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path := strings.TrimPrefix(r.URL.Path, "/api/metrics/chart/")
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path = strings.TrimSuffix(path, ".svg")
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if h.metricsDB == nil {
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http.Error(w, "metrics database not available", http.StatusServiceUnavailable)
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return
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}
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samples, err := h.metricsDB.LoadAll()
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if err != nil || len(samples) == 0 {
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http.Error(w, "metrics history unavailable", http.StatusServiceUnavailable)
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return
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}
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timeline := metricsTimelineSegments(samples, time.Now())
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if idx, sub, ok := parseGPUChartPath(path); ok && sub == "overview" {
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var overviewOk bool
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var buf []byte
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buf, overviewOk, err = renderGPUOverviewChartSVG(idx, samples, timeline)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if !overviewOk {
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http.Error(w, "metrics history unavailable", http.StatusServiceUnavailable)
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return
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}
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w.Header().Set("Content-Type", "image/svg+xml")
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w.Header().Set("Cache-Control", "no-store")
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_, _ = w.Write(buf)
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return
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}
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datasets, names, labels, title, yMin, yMax, stacked, ok := chartDataFromSamples(path, samples)
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if !ok {
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http.Error(w, "metrics history unavailable", http.StatusServiceUnavailable)
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return
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}
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var buf []byte
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if stacked {
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buf, err = renderStackedMetricChartSVG(
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title,
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labels,
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sampleTimes(samples),
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datasets,
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names,
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yMax,
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chartCanvasHeightForPath(path, len(names)),
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timeline,
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)
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} else {
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buf, err = renderMetricChartSVG(
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title,
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labels,
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sampleTimes(samples),
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datasets,
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names,
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yMin,
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yMax,
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chartCanvasHeightForPath(path, len(names)),
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timeline,
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)
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}
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "image/svg+xml")
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w.Header().Set("Cache-Control", "no-store")
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_, _ = w.Write(buf)
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}
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func chartDataFromSamples(path string, samples []platform.LiveMetricSample) (datasets [][]float64, names []string, labels []string, title string, yMin, yMax *float64, stacked bool, ok bool) {
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labels = sampleTimeLabels(samples)
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switch {
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case path == "server-load":
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title = "CPU / Memory Load"
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cpu := make([]float64, len(samples))
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mem := make([]float64, len(samples))
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for i, s := range samples {
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cpu[i] = s.CPULoadPct
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mem[i] = s.MemLoadPct
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}
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datasets = [][]float64{cpu, mem}
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names = []string{"CPU Load %", "Mem Load %"}
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yMin = floatPtr(0)
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yMax = floatPtr(100)
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case path == "server-temp", path == "server-temp-cpu":
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title = "CPU Temperature"
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datasets, names = namedTempDatasets(samples, "cpu")
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yMin = floatPtr(0)
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yMax = autoMax120(datasets...)
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case path == "server-temp-gpu":
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title = "GPU Temperature"
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datasets, names = gpuDatasets(samples, func(g platform.GPUMetricRow) float64 { return g.TempC })
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yMin = floatPtr(0)
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yMax = autoMax120(datasets...)
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case path == "server-temp-ambient":
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title = "Ambient / Other Sensors"
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datasets, names = namedTempDatasets(samples, "ambient")
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yMin = floatPtr(0)
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yMax = autoMax120(datasets...)
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case path == "server-power":
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title = "System Power"
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power := make([]float64, len(samples))
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label := "Power W"
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for i, s := range samples {
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power[i] = s.PowerW
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if strings.TrimSpace(s.PowerSource) != "" {
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label = fmt.Sprintf("Power W · %s", s.PowerSource)
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if strings.TrimSpace(s.PowerMode) != "" {
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label += fmt.Sprintf(" (%s)", s.PowerMode)
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}
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}
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}
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power = normalizePowerSeries(power)
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datasets = [][]float64{power}
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names = []string{label}
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yMin = floatPtr(0)
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yMax = autoMax120(power)
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case path == "server-fans":
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title = "Fan RPM"
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datasets, names = namedFanDatasets(samples)
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yMin, yMax = autoBounds120(datasets...)
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case path == "gpu-all-load":
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title = "GPU Compute Load"
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datasets, names = gpuDatasets(samples, func(g platform.GPUMetricRow) float64 { return g.UsagePct })
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yMin = floatPtr(0)
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yMax = floatPtr(100)
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case path == "gpu-all-memload":
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title = "GPU Memory Load"
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datasets, names = gpuDatasets(samples, func(g platform.GPUMetricRow) float64 { return g.MemUsagePct })
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yMin = floatPtr(0)
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yMax = floatPtr(100)
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case path == "gpu-all-power":
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title = "GPU Power"
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datasets, names = gpuDatasets(samples, func(g platform.GPUMetricRow) float64 { return g.PowerW })
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yMin, yMax = autoBounds120(datasets...)
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case path == "gpu-all-temp":
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title = "GPU Temperature"
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datasets, names = gpuDatasets(samples, func(g platform.GPUMetricRow) float64 { return g.TempC })
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yMin = floatPtr(0)
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yMax = autoMax120(datasets...)
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case path == "gpu-all-clock":
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title = "GPU Core Clock"
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datasets, names = gpuDatasets(samples, func(g platform.GPUMetricRow) float64 { return g.ClockMHz })
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yMin, yMax = autoBounds120(datasets...)
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case path == "gpu-all-memclock":
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title = "GPU Memory Clock"
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datasets, names = gpuDatasets(samples, func(g platform.GPUMetricRow) float64 { return g.MemClockMHz })
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yMin, yMax = autoBounds120(datasets...)
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case strings.HasPrefix(path, "gpu/"):
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idx, sub, ok := parseGPUChartPath(path)
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if !ok {
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return nil, nil, nil, "", nil, nil, false, false
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}
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switch sub {
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case "load":
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title = gpuDisplayLabel(idx) + " Load"
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util := gpuDatasetByIndex(samples, idx, func(g platform.GPUMetricRow) float64 { return g.UsagePct })
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mem := gpuDatasetByIndex(samples, idx, func(g platform.GPUMetricRow) float64 { return g.MemUsagePct })
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if util == nil && mem == nil {
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return nil, nil, nil, "", nil, nil, false, false
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}
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datasets = [][]float64{coalesceDataset(util, len(samples)), coalesceDataset(mem, len(samples))}
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names = []string{"Load %", "Mem %"}
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yMin = floatPtr(0)
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yMax = floatPtr(100)
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case "temp":
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title = gpuDisplayLabel(idx) + " Temperature"
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temp := gpuDatasetByIndex(samples, idx, func(g platform.GPUMetricRow) float64 { return g.TempC })
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if temp == nil {
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return nil, nil, nil, "", nil, nil, false, false
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}
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datasets = [][]float64{temp}
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names = []string{"Temp °C"}
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yMin = floatPtr(0)
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yMax = autoMax120(temp)
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case "clock":
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title = gpuDisplayLabel(idx) + " Core Clock"
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clock := gpuDatasetByIndex(samples, idx, func(g platform.GPUMetricRow) float64 { return g.ClockMHz })
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if clock == nil {
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return nil, nil, nil, "", nil, nil, false, false
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}
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datasets = [][]float64{clock}
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names = []string{"Core Clock MHz"}
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yMin, yMax = autoBounds120(clock)
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case "memclock":
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title = gpuDisplayLabel(idx) + " Memory Clock"
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clock := gpuDatasetByIndex(samples, idx, func(g platform.GPUMetricRow) float64 { return g.MemClockMHz })
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if clock == nil {
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return nil, nil, nil, "", nil, nil, false, false
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}
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datasets = [][]float64{clock}
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names = []string{"Memory Clock MHz"}
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yMin, yMax = autoBounds120(clock)
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default:
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title = gpuDisplayLabel(idx) + " Power"
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power := gpuDatasetByIndex(samples, idx, func(g platform.GPUMetricRow) float64 { return g.PowerW })
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if power == nil {
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return nil, nil, nil, "", nil, nil, false, false
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}
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datasets = [][]float64{power}
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names = []string{"Power W"}
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yMin, yMax = autoBounds120(power)
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}
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default:
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return nil, nil, nil, "", nil, nil, false, false
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}
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return datasets, names, labels, title, yMin, yMax, stacked, len(datasets) > 0
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}
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func parseGPUChartPath(path string) (idx int, sub string, ok bool) {
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if !strings.HasPrefix(path, "gpu/") {
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return 0, "", false
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}
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rest := strings.TrimPrefix(path, "gpu/")
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if rest == "" {
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return 0, "", false
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}
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sub = ""
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if i := strings.LastIndex(rest, "-"); i > 0 {
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sub = rest[i+1:]
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rest = rest[:i]
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}
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n, err := fmt.Sscanf(rest, "%d", &idx)
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if err != nil || n != 1 {
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return 0, "", false
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}
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return idx, sub, true
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}
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func sampleTimeLabels(samples []platform.LiveMetricSample) []string {
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labels := make([]string, len(samples))
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if len(samples) == 0 {
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return labels
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}
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times := make([]time.Time, len(samples))
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for i, s := range samples {
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times[i] = s.Timestamp
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}
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sameDay := timestampsSameLocalDay(times)
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for i, s := range samples {
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labels[i] = formatTimelineLabel(s.Timestamp.Local(), sameDay)
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}
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return labels
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}
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func namedTempDatasets(samples []platform.LiveMetricSample, group string) ([][]float64, []string) {
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seen := map[string]bool{}
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var names []string
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for _, s := range samples {
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for _, t := range s.Temps {
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if t.Group == group && !seen[t.Name] {
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seen[t.Name] = true
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names = append(names, t.Name)
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}
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}
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}
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sort.Strings(names)
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datasets := make([][]float64, 0, len(names))
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for _, name := range names {
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ds := make([]float64, len(samples))
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for i, s := range samples {
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for _, t := range s.Temps {
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if t.Group == group && t.Name == name {
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ds[i] = t.Celsius
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break
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}
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}
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}
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datasets = append(datasets, ds)
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}
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return datasets, names
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}
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func namedFanDatasets(samples []platform.LiveMetricSample) ([][]float64, []string) {
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seen := map[string]bool{}
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var names []string
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for _, s := range samples {
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for _, f := range s.Fans {
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if !seen[f.Name] {
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seen[f.Name] = true
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names = append(names, f.Name)
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}
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}
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}
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sort.Strings(names)
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datasets := make([][]float64, 0, len(names))
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for _, name := range names {
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ds := make([]float64, len(samples))
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for i, s := range samples {
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for _, f := range s.Fans {
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if f.Name == name {
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ds[i] = f.RPM
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break
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}
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}
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}
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datasets = append(datasets, normalizeFanSeries(ds))
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}
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return datasets, names
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}
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func gpuDatasets(samples []platform.LiveMetricSample, pick func(platform.GPUMetricRow) float64) ([][]float64, []string) {
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seen := map[int]bool{}
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var indices []int
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for _, s := range samples {
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for _, g := range s.GPUs {
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if !seen[g.GPUIndex] {
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seen[g.GPUIndex] = true
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indices = append(indices, g.GPUIndex)
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}
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}
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}
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sort.Ints(indices)
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datasets := make([][]float64, 0, len(indices))
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names := make([]string, 0, len(indices))
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for _, idx := range indices {
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ds := gpuDatasetByIndex(samples, idx, pick)
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if ds == nil {
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continue
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}
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datasets = append(datasets, ds)
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names = append(names, gpuDisplayLabel(idx))
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}
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return datasets, names
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}
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func gpuDatasetByIndex(samples []platform.LiveMetricSample, idx int, pick func(platform.GPUMetricRow) float64) []float64 {
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found := false
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ds := make([]float64, len(samples))
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for i, s := range samples {
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for _, g := range s.GPUs {
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if g.GPUIndex == idx {
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ds[i] = pick(g)
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found = true
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break
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}
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}
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}
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if !found {
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return nil
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}
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return ds
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}
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func coalesceDataset(ds []float64, n int) []float64 {
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if ds != nil {
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return ds
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}
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return make([]float64, n)
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}
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func normalizePowerSeries(ds []float64) []float64 {
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if len(ds) == 0 {
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return nil
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}
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out := make([]float64, len(ds))
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copy(out, ds)
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last := 0.0
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haveLast := false
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for i, v := range out {
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if v > 0 {
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last = v
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haveLast = true
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continue
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}
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if haveLast {
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out[i] = last
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}
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}
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return out
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}
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func normalizeFanSeries(ds []float64) []float64 {
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if len(ds) == 0 {
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return nil
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}
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out := make([]float64, len(ds))
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var lastPositive float64
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for i, v := range ds {
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if v > 0 {
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lastPositive = v
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out[i] = v
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continue
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}
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if lastPositive > 0 {
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out[i] = lastPositive
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continue
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}
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out[i] = 0
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}
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return out
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}
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// floatPtr returns a pointer to a float64 value.
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func floatPtr(v float64) *float64 { return &v }
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// autoMax120 returns 0→max+20% Y-axis max across all datasets.
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func autoMax120(datasets ...[]float64) *float64 {
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max := 0.0
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for _, ds := range datasets {
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for _, v := range ds {
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if v > max {
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max = v
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}
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}
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}
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if max == 0 {
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return nil // let library auto-scale
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}
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v := max * 1.2
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return &v
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}
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func autoBounds120(datasets ...[]float64) (*float64, *float64) {
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min := 0.0
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max := 0.0
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first := true
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for _, ds := range datasets {
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for _, v := range ds {
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if first {
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min, max = v, v
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first = false
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continue
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}
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if v < min {
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min = v
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}
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if v > max {
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max = v
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}
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}
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}
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if first {
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return nil, nil
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}
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if max <= 0 {
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return floatPtr(0), nil
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}
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span := max - min
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if span <= 0 {
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span = max * 0.1
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if span <= 0 {
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span = 1
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}
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}
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pad := span * 0.2
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low := min - pad
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if low < 0 {
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low = 0
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}
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high := max + pad
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return floatPtr(low), floatPtr(high)
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}
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func gpuChartLabelIndices(total, target int) []int {
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if total <= 0 {
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return nil
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}
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if total == 1 {
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return []int{0}
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}
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step := total / target
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if step < 1 {
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step = 1
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}
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var indices []int
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for i := 0; i < total; i += step {
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indices = append(indices, i)
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}
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if indices[len(indices)-1] != total-1 {
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indices = append(indices, total-1)
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}
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return indices
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}
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func chartCanvasHeightForPath(path string, seriesCount int) int {
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height := chartCanvasHeight(seriesCount)
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if isGPUChartPath(path) {
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return height * 2
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}
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return height
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}
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func isGPUChartPath(path string) bool {
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return strings.HasPrefix(path, "gpu-all-") || strings.HasPrefix(path, "gpu/")
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}
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func chartLegendVisible(seriesCount int) bool {
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return seriesCount <= 8
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}
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func chartCanvasHeight(seriesCount int) int {
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if chartLegendVisible(seriesCount) {
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return 360
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}
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return 288
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}
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// globalStats returns min, average, and max across all values in all datasets.
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func globalStats(datasets [][]float64) (mn, avg, mx float64) {
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var sum float64
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var count int
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first := true
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for _, ds := range datasets {
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for _, v := range ds {
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if first {
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mn, mx = v, v
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first = false
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}
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if v < mn {
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mn = v
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}
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if v > mx {
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mx = v
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|
}
|
|
sum += v
|
|
count++
|
|
}
|
|
}
|
|
if count > 0 {
|
|
avg = sum / float64(count)
|
|
}
|
|
return mn, avg, mx
|
|
}
|
|
|
|
func sanitizeChartText(s string) string {
|
|
if s == "" {
|
|
return ""
|
|
}
|
|
return html.EscapeString(strings.Map(func(r rune) rune {
|
|
if r < 0x20 && r != '\t' && r != '\n' && r != '\r' {
|
|
return -1
|
|
}
|
|
return r
|
|
}, s))
|
|
}
|
|
|
|
func snapshotFanRings(rings []*metricsRing, fanNames []string) ([][]float64, []string, []string) {
|
|
var datasets [][]float64
|
|
var names []string
|
|
var labels []string
|
|
for i, ring := range rings {
|
|
if ring == nil {
|
|
continue
|
|
}
|
|
vals, l := ring.snapshot()
|
|
datasets = append(datasets, normalizeFanSeries(vals))
|
|
name := "Fan"
|
|
if i < len(fanNames) {
|
|
name = fanNames[i]
|
|
}
|
|
names = append(names, name+" RPM")
|
|
if len(labels) == 0 {
|
|
labels = l
|
|
}
|
|
}
|
|
return datasets, names, labels
|
|
}
|
|
|
|
func chartLegendNumber(v float64) string {
|
|
neg := v < 0
|
|
if v < 0 {
|
|
v = -v
|
|
}
|
|
var out string
|
|
switch {
|
|
case v >= 10000:
|
|
out = fmt.Sprintf("%dk", int((v+500)/1000))
|
|
case v >= 1000:
|
|
s := fmt.Sprintf("%.2f", v/1000)
|
|
s = strings.TrimRight(strings.TrimRight(s, "0"), ".")
|
|
out = strings.ReplaceAll(s, ".", ",") + "k"
|
|
default:
|
|
out = fmt.Sprintf("%.0f", v)
|
|
}
|
|
if neg {
|
|
return "-" + out
|
|
}
|
|
return out
|
|
}
|
|
|
|
func chartYAxisNumber(v float64) string {
|
|
neg := v < 0
|
|
if neg {
|
|
v = -v
|
|
}
|
|
var out string
|
|
switch {
|
|
case v >= 10000:
|
|
out = fmt.Sprintf("%dк", int((v+500)/1000))
|
|
case v >= 1000:
|
|
// Use one decimal place so ticks like 1400, 1600, 1800 read as
|
|
// "1,4к", "1,6к", "1,8к" instead of the ambiguous "1к"/"2к".
|
|
s := fmt.Sprintf("%.1f", v/1000)
|
|
s = strings.TrimRight(strings.TrimRight(s, "0"), ".")
|
|
out = strings.ReplaceAll(s, ".", ",") + "к"
|
|
default:
|
|
out = fmt.Sprintf("%.0f", v)
|
|
}
|
|
if neg {
|
|
return "-" + out
|
|
}
|
|
return out
|
|
}
|