// Flush the spans for a request in zipkin format
func Flush(t gotocol.TraceContextType, trace []*spannotype) {
var zip zipkinspan
var ctx string
n := -1
sort.Sort(ByCtx(trace))
for _, a := range trace {
//fmt.Println(*a)
if ctx != a.Ctx { // new span
if ctx != "" { // not the first
WriteZip(zip)
file.WriteString(",")
zip.Annotations = nil
}
n++
zip.Traceid = fmt.Sprintf("%016d", t) // pad id's to 16 characters to keep zipkin happy
zip.Name = a.Imp
s := strings.SplitAfter(a.Ctx, "s") // tXpYsZ -> [tXpYs, Z]
p := strings.TrimSuffix(strings.SplitAfter(s[0], "p")[1], "s") // tXpYs -> [tXp, Ys] -> Ys -> Y
zip.Id = "000000000000000"[0:(16-len(s[1]))] + s[1] // pad id's to 16 characters to keep zipkin happy
if p != "0" {
zip.ParentId = "000000000000000"[0:(16-len(p))] + p // pad id's to 16 characters to keep zipkin happy
}
ctx = a.Ctx
}
var ann zipkinannotation
ann.Endpoint.Servicename = a.Host
ann.Endpoint.Ipv4 = dhcp.Lookup(a.Host)
ann.Endpoint.Port = 8080
ann.Timestamp = a.Timestamp / 1000 // convert from UnixNano to Microseconds
ann.Value = a.Value
zip.Annotations = append(zip.Annotations, ann)
}
WriteZip(zip)
}
// WriteNode writes the node to a file given a space separated name and service type
func WriteNode(nameService string, t time.Time) {
if Enabled == false {
return
}
var node NodeV0r4
fmt.Sscanf(nameService, "%s%s", &node.Node, &node.Package) // space delimited
node.Tstamp = t.Format(time.RFC3339Nano)
// node id should be unique and service indicates service type
node.Metadata = fmt.Sprintf("IP/%v", dhcp.Lookup(node.Node))
nodeJSON, _ := json.Marshal(node)
Write(fmt.Sprintf("%v %v", commaNewline(), string(nodeJSON)))
}