// Report method will submit trace span to tcollector server.
func (r *ZipkinTraceReporter) Report(
span tc.Span, annotations []tc.Annotation, binaryAnnotations []tc.BinaryAnnotation) error {
ctx, cancel := tc.NewContextBuilder(time.Second).
SetShardKey(base64Encode(span.TraceID())).Build()
defer cancel()
// FIXME remove this dummy endpoint.
endpoint := &tc.Endpoint{Ipv4: "127.0.0.1", Port: 8888, ServiceName: "test"}
thriftSpan := buildZipkinSpan(span, annotations, binaryAnnotations, "test", endpoint)
// client submit
// ignore the response result because TChannel shouldn't care about it.
_, err := r.client.Submit(ctx, thriftSpan)
return err
}
// buildZipkinSpan builds zipkin span based on tchannel span.
func buildZipkinSpan(span tc.Span, annotations []tc.Annotation, binaryAnnotations []tc.BinaryAnnotation, name string, endpoint *tc.Endpoint) *tcollector.Span {
host := tcollector.Endpoint{
Ipv4: (int32)(inetAton(endpoint.Ipv4)),
Port: endpoint.Port,
ServiceName: endpoint.ServiceName,
}
// TODO Add BinaryAnnotations
thriftSpan := tcollector.Span{
TraceId: uint64ToBytes(span.TraceID()),
Host: &host,
Name: name,
Id: uint64ToBytes(span.SpanID()),
ParentId: uint64ToBytes(span.ParentID()),
Annotations: buildZipkinAnnotations(annotations),
Debug: false,
}
return &thriftSpan
}
// buildZipkinSpan builds zipkin span based on tchannel span.
func buildZipkinSpan(span tc.Span, annotations []tc.Annotation, binaryAnnotations []tc.BinaryAnnotation, targetEndpoint tc.TargetEndpoint) *tcollector.Span {
hostport := strings.Split(targetEndpoint.HostPort, ":")
port, _ := strconv.ParseInt(hostport[1], 10, 32)
host := tcollector.Endpoint{
Ipv4: int32(inetAton(hostport[0])),
Port: int32(port),
ServiceName: targetEndpoint.ServiceName,
}
// TODO Add BinaryAnnotations
thriftSpan := tcollector.Span{
TraceId: uint64ToBytes(span.TraceID()),
Host: &host,
Name: targetEndpoint.Operation,
Id: uint64ToBytes(span.SpanID()),
ParentId: uint64ToBytes(span.ParentID()),
Annotations: buildZipkinAnnotations(annotations),
Debug: false,
}
return &thriftSpan
}