Пример #1
0
func (events *analyticsEvents) CollectorJSON(agentRunID string) ([]byte, error) {
	if 0 == events.numSeen {
		return nil, nil
	}

	estimate := 256 * len(events.events)
	buf := bytes.NewBuffer(make([]byte, 0, estimate))

	buf.WriteByte('[')
	jsonx.AppendString(buf, agentRunID)
	buf.WriteByte(',')
	buf.WriteByte('{')
	buf.WriteString(`"reservoir_size":`)
	jsonx.AppendUint(buf, uint64(cap(events.events)))
	buf.WriteByte(',')
	buf.WriteString(`"events_seen":`)
	jsonx.AppendUint(buf, uint64(events.numSeen))
	buf.WriteByte('}')
	buf.WriteByte(',')
	buf.WriteByte('[')
	for i, e := range events.events {
		if i > 0 {
			buf.WriteByte(',')
		}
		e.WriteJSON(buf)
	}
	buf.WriteByte(']')
	buf.WriteByte(']')

	return buf.Bytes(), nil

}
Пример #2
0
func (w *jsonFieldsWriter) addKey(key string) {
	if w.needsComma {
		w.buf.WriteByte(',')
	} else {
		w.needsComma = true
	}
	// defensively assume that the key needs escaping:
	jsonx.AppendString(w.buf, key)
	w.buf.WriteByte(':')
}
Пример #3
0
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(']')
}
Пример #4
0
func printNodeStart(buf *bytes.Buffer, n nodeDetails) {
	// time.Seconds() is intentionally not used here.  Millisecond
	// precision is enough.
	relativeStartMillis := n.relativeStart.Nanoseconds() / (1000 * 1000)
	relativeStopMillis := n.relativeStop.Nanoseconds() / (1000 * 1000)

	buf.WriteByte('[')
	jsonx.AppendInt(buf, relativeStartMillis)
	buf.WriteByte(',')
	jsonx.AppendInt(buf, relativeStopMillis)
	buf.WriteByte(',')
	jsonx.AppendString(buf, n.name)
	buf.WriteByte(',')
	if nil == n.params {
		buf.WriteString("{}")
	} else {
		n.params.WriteJSON(buf)
	}
	buf.WriteByte(',')
	buf.WriteByte('[')
}
Пример #5
0
func (w *jsonFieldsWriter) stringField(key string, val string) {
	w.addKey(key)
	jsonx.AppendString(w.buf, val)
}