Examples with Span zipkin.Span used on opensource projects

Example 26 with Span

use of zipkin.Span in project zipkin by openzipkin.

the class JsonCodec method readTraces.

public List<List<Span>> readTraces(byte[] bytes) {
    JsonReader reader = jsonReader(bytes);
    // cause we don't know how long it will be
    List<List<Span>> result = new LinkedList<>();
    try {
        reader.beginArray();
        while (reader.hasNext()) {
            reader.beginArray();
            // cause we don't know how long it will be
            List<Span> trace = new LinkedList<>();
            while (reader.hasNext()) {
                trace.add(SPAN_ADAPTER.fromJson(reader));
            }
            reader.endArray();
            result.add(trace);
        }
        reader.endArray();
        return result;
    } catch (Exception e) {
        throw exceptionReading("List<List<Span>>", bytes, e);
    }
}

Example 27 with Span

use of zipkin.Span in project zipkin by openzipkin.

the class JsonCodec method writeTraces.

@Override
public byte[] writeTraces(List<List<Span>> traces) {
    // Get the encoded size of the nested list so that we don't need to grow the buffer
    int sizeInBytes = overheadInBytes(traces);
    for (int i = 0; i < traces.size(); i++) {
        List<Span> spans = traces.get(i);
        sizeInBytes += overheadInBytes(spans);
        for (int j = 0; j < spans.size(); j++) {
            sizeInBytes += SPAN_ADAPTER.sizeInBytes(spans.get(j));
        }
    }
    Buffer out = new Buffer(sizeInBytes);
    // start list of traces
    out.writeByte('[');
    for (Iterator<List<Span>> trace = traces.iterator(); trace.hasNext(); ) {
        writeList(SPAN_ADAPTER, trace.next(), out);
        if (trace.hasNext())
            out.writeByte(',');
    }
    // stop list of traces
    out.writeByte(']');
    return out.toByteArray();
}

Example 28 with Span

use of zipkin.Span in project zipkin by openzipkin.

the class MergeById method apply.

public static List<Span> apply(Iterable<Span> spans) {
    if (spans == null || !spans.iterator().hasNext())
        return Collections.emptyList();
    List<Span> result = new ArrayList<>();
    Map<Long, List<Span>> spanIdToSpans = new LinkedHashMap<>();
    for (Span span : spans) {
        if (!spanIdToSpans.containsKey(span.id)) {
            spanIdToSpans.put(span.id, new LinkedList<>());
        }
        spanIdToSpans.get(span.id).add(span);
    }
    for (List<Span> spansToMerge : spanIdToSpans.values()) {
        if (spansToMerge.size() == 1) {
            result.add(spansToMerge.get(0));
        } else {
            Span.Builder builder = spansToMerge.get(0).toBuilder();
            for (int i = 1, length = spansToMerge.size(); i < length; i++) {
                builder.merge(spansToMerge.get(i));
            }
            result.add(builder.build());
        }
    }
    // Apply timestamp so that sorting will be helpful
    for (int i = 0; i < result.size(); i++) {
        result.set(i, ApplyTimestampAndDuration.apply(result.get(i)));
    }
    return sortedList(result);
}

Example 29 with Span

use of zipkin.Span in project zipkin by openzipkin.

the class DependenciesTest method noEmptyLinks.

/** Some use empty string for the {@link Constants#CLIENT_ADDR} to defer naming to the server. */
@Test
public void noEmptyLinks() {
    Endpoint someClient = Endpoint.create("", 172 << 24 | 17 << 16 | 4);
    List<Span> trace = asList(Span.builder().traceId(20L).id(20L).name("get").timestamp(TODAY * 1000).duration(350L * 1000).addBinaryAnnotation(BinaryAnnotation.address(CLIENT_ADDR, someClient)).addBinaryAnnotation(BinaryAnnotation.address(SERVER_ADDR, WEB_ENDPOINT)).build(), Span.builder().traceId(20L).parentId(20L).id(21L).name("get").timestamp((TODAY + 50) * 1000).duration(250L * 1000).addBinaryAnnotation(BinaryAnnotation.address(CLIENT_ADDR, WEB_ENDPOINT)).addBinaryAnnotation(BinaryAnnotation.address(SERVER_ADDR, APP_ENDPOINT)).build(), Span.builder().traceId(20L).parentId(21L).id(22L).name("get").timestamp((TODAY + 150) * 1000).duration(50L * 1000).addBinaryAnnotation(BinaryAnnotation.address(CLIENT_ADDR, APP_ENDPOINT)).addBinaryAnnotation(BinaryAnnotation.address(SERVER_ADDR, DB_ENDPOINT)).build());
    processDependencies(trace);
    assertThat(store().getDependencies(TODAY + 1000, null)).containsOnly(DependencyLink.create("web", "app", 1), DependencyLink.create("app", "db", 1));
}

Example 30 with Span

use of zipkin.Span in project zipkin by openzipkin.

the class QueryRequestTest method matchesImplicitTimestamp.

/** When a span comes in without a timestamp, use the implicit one based on annotations. */
@Test
public void matchesImplicitTimestamp() {
    Span asyncReceive = Span.builder().traceId(10L).id(10L).name("receive").addAnnotation(Annotation.create((TODAY) * 1000, SERVER_RECV, APP_ENDPOINT)).build();
    QueryRequest request = QueryRequest.builder().endTs(TODAY).build();
    assertThat(request.test(asList(asyncReceive))).isTrue();
}