func traceDataJSON(trace *HarvestTrace) []byte {
estimate := 100 * len(trace.Trace.nodes)
buf := bytes.NewBuffer(make([]byte, 0, estimate))
nodes := make(sortedTraceNodes, len(trace.Trace.nodes))
for i := 0; i < len(nodes); i++ {
nodes[i] = &trace.Trace.nodes[i]
}
sort.Sort(nodes)
buf.WriteByte('[') // begin trace data
// If the trace string pool is used, insert another array here.
jsonx.AppendFloat(buf, 0.0) // unused timestamp
buf.WriteByte(',') //
buf.WriteString("{}") // unused: formerly request parameters
buf.WriteByte(',') //
buf.WriteString("{}") // unused: formerly custom parameters
buf.WriteByte(',') //
printNodeStart(buf, nodeDetails{ // begin outer root
name: "ROOT",
relativeStart: 0,
relativeStop: trace.Duration,
})
printNodeStart(buf, nodeDetails{ // begin inner root
name: trace.MetricName,
relativeStart: 0,
relativeStop: trace.Duration,
})
if len(nodes) > 0 {
lastStopStamp := nodes[len(nodes)-1].stop.Stamp + 1
printChildren(buf, trace.Start, nodes, 0, lastStopStamp)
}
buf.WriteString("]]") // end outer root
buf.WriteString("]]") // end inner root
buf.WriteByte(',')
buf.WriteByte('{')
buf.WriteString(`"agentAttributes":`)
agentAttributesJSON(trace.Attrs, buf, destTxnTrace)
buf.WriteByte(',')
buf.WriteString(`"userAttributes":`)
userAttributesJSON(trace.Attrs, buf, destTxnTrace)
buf.WriteByte(',')
buf.WriteString(`"intrinsics":{}`) // TODO intrinsics
buf.WriteByte('}')
// If the trace string pool is used, end another array here.
buf.WriteByte(']') // end trace data
return buf.Bytes()
}
func (slow *slowQuery) WriteJSON(buf *bytes.Buffer) {
buf.WriteByte('[')
jsonx.AppendString(buf, slow.TxnName)
buf.WriteByte(',')
jsonx.AppendString(buf, slow.TxnURL)
buf.WriteByte(',')
jsonx.AppendInt(buf, int64(makeSlowQueryID(slow.ParameterizedQuery)))
buf.WriteByte(',')
jsonx.AppendString(buf, slow.ParameterizedQuery)
buf.WriteByte(',')
jsonx.AppendString(buf, slow.DatastoreMetric)
buf.WriteByte(',')
jsonx.AppendInt(buf, int64(slow.Count))
buf.WriteByte(',')
jsonx.AppendFloat(buf, slow.Total.Seconds()*1000.0)
buf.WriteByte(',')
jsonx.AppendFloat(buf, slow.Min.Seconds()*1000.0)
buf.WriteByte(',')
jsonx.AppendFloat(buf, slow.Duration.Seconds()*1000.0)
buf.WriteByte(',')
w := jsonFieldsWriter{buf: buf}
buf.WriteByte('{')
if "" != slow.Host {
w.stringField("host", slow.Host)
}
if "" != slow.PortPathOrID {
w.stringField("port_path_or_id", slow.PortPathOrID)
}
if "" != slow.DatabaseName {
w.stringField("database_name", slow.DatabaseName)
}
if nil != slow.StackTrace {
w.writerField("backtrace", slow.StackTrace)
}
if nil != slow.QueryParameters {
w.writerField("query_parameters", slow.QueryParameters)
}
buf.WriteByte('}')
buf.WriteByte(']')
}
func (w *jsonFieldsWriter) floatField(key string, val float64) {
w.addKey(key)
jsonx.AppendFloat(w.buf, val)
}