openreplay/backend/pkg/log/queue.go

77 lines
1.6 KiB
Go

package log
import (
"time"
"fmt"
"log"
"openreplay/backend/pkg/messages"
"openreplay/backend/pkg/queue/types"
//"openreplay/backend/pkg/env"
)
type partitionStats struct {
maxts int64
mints int64
lastts int64
lastID uint64
count int
}
type queueStats struct {
prts map[int32]*partitionStats
tick <-chan time.Time
}
func NewQueueStats(sec int)*queueStats {
return &queueStats{
prts: make(map[int32]*partitionStats),
tick: time.Tick(time.Duration(sec) * time.Second),
}
}
func (qs *queueStats) HandleAndLog(sessionID uint64, m *types.Meta) {
prti := int32(sessionID % 16) // TODO use GetKeyPartition from kafka/key.go
prt, ok := qs.prts[prti]
if !ok {
qs.prts[prti] = &partitionStats{}
prt = qs.prts[prti]
}
if prt.maxts < m.Timestamp {
prt.maxts = m.Timestamp
}
if prt.mints > m.Timestamp || prt.mints == 0 {
prt.mints = m.Timestamp
}
prt.lastts = m.Timestamp
prt.lastID = m.ID
prt.count += 1
select {
case <-qs.tick:
qs.LogThenReset()
default:
}
}
func (qs *queueStats) LogThenReset() {
s := "Queue Statistics: "
for i, p := range qs.prts {
s = fmt.Sprintf("%v | %v:: lastTS %v, lastID %v, count %v, maxTS %v, minTS %v",
s, i, p.lastts, p.lastID, p.count, p.maxts, p.mints)
}
log.Println(s)
// reset
qs.prts = make(map[int32]*partitionStats)
}
// TODO: list of message id to log (mb filter function with callback in messages/utils.go or something)
func LogMessage(s string, sessionID uint64, msg messages.Message, m *types.Meta) {
log.Printf("%v | SessionID: %v, Queue info: %v, Message: %v", s, sessionID, m, msg)
}