Examples with SampledSpanStore io.opencensus.trace.export.SampledSpanStore used on opensource projects

Example 1 with SampledSpanStore

use of io.opencensus.trace.export.SampledSpanStore in project instrumentation-java by census-instrumentation.

the class TracezZPageHandler method emitSummaryTable.

// Emits the summary table with links to all samples.
private void emitSummaryTable(PrintWriter out, Formatter formatter) throws UnsupportedEncodingException {
    if (runningSpanStore == null || sampledSpanStore == null) {
        return;
    }
    RunningSpanStore.Summary runningSpanStoreSummary = runningSpanStore.getSummary();
    SampledSpanStore.Summary sampledSpanStoreSummary = sampledSpanStore.getSummary();
    out.write("<table style='border-spacing: 0;\n");
    out.write("border-left:1px solid #3D3D3D;border-right:1px solid #3D3D3D;'>\n");
    emitSummaryTableHeader(out, formatter);
    Set<String> spanNames = new TreeSet<>(runningSpanStoreSummary.getPerSpanNameSummary().keySet());
    spanNames.addAll(sampledSpanStoreSummary.getPerSpanNameSummary().keySet());
    boolean zebraColor = true;
    for (String spanName : spanNames) {
        out.write("<tr class=\"border\">\n");
        if (!zebraColor) {
            out.write("<tr class=\"border\">\n");
        } else {
            formatter.format("<tr class=\"border\" style=\"background: %s\">%n", ZEBRA_STRIPE_COLOR);
        }
        zebraColor = !zebraColor;
        formatter.format("<td>%s</td>%n", htmlEscaper().escape(spanName));
        // Running
        out.write("<td class=\"borderRL\">&nbsp;&nbsp;&nbsp;&nbsp;</td>");
        RunningSpanStore.PerSpanNameSummary runningSpanStorePerSpanNameSummary = runningSpanStoreSummary.getPerSpanNameSummary().get(spanName);
        // subtype ignored for running requests.
        emitSingleCell(out, formatter, spanName, runningSpanStorePerSpanNameSummary == null ? 0 : runningSpanStorePerSpanNameSummary.getNumRunningSpans(), RequestType.RUNNING, 0);
        SampledSpanStore.PerSpanNameSummary sampledSpanStorePerSpanNameSummary = sampledSpanStoreSummary.getPerSpanNameSummary().get(spanName);
        // Latency based samples
        out.write("<td class=\"borderLC\">&nbsp;&nbsp;&nbsp;&nbsp;</td>");
        Map<LatencyBucketBoundaries, Integer> latencyBucketsSummaries = sampledSpanStorePerSpanNameSummary != null ? sampledSpanStorePerSpanNameSummary.getNumbersOfLatencySampledSpans() : null;
        int subtype = 0;
        for (LatencyBucketBoundaries latencyBucketsBoundaries : LatencyBucketBoundaries.values()) {
            if (latencyBucketsSummaries != null) {
                int numSamples = latencyBucketsSummaries.containsKey(latencyBucketsBoundaries) ? latencyBucketsSummaries.get(latencyBucketsBoundaries) : 0;
                emitSingleCell(out, formatter, spanName, numSamples, RequestType.FINISHED, subtype++);
            } else {
                // numSamples < -1 means "Not Available".
                emitSingleCell(out, formatter, spanName, -1, RequestType.FINISHED, subtype++);
            }
        }
        // Error based samples.
        out.write("<td class=\"borderRL\">&nbsp;&nbsp;&nbsp;&nbsp;</td>");
        if (sampledSpanStorePerSpanNameSummary != null) {
            Map<CanonicalCode, Integer> errorBucketsSummaries = sampledSpanStorePerSpanNameSummary.getNumbersOfErrorSampledSpans();
            int numErrorSamples = 0;
            for (Map.Entry<CanonicalCode, Integer> it : errorBucketsSummaries.entrySet()) {
                numErrorSamples += it.getValue();
            }
            // subtype 0 means all;
            emitSingleCell(out, formatter, spanName, numErrorSamples, RequestType.FAILED, 0);
        } else {
            // numSamples < -1 means "Not Available".
            emitSingleCell(out, formatter, spanName, -1, RequestType.FAILED, 0);
        }
        out.write("</tr>\n");
    }
    out.write("</table>");
}