/
queue.go
98 lines (88 loc) · 1.94 KB
/
queue.go
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package crontab
import (
"log"
"sync"
"github.com/huajiao-tv/dashboard/dao"
"github.com/huajiao-tv/dashboard/keeper"
)
type QueueCollect struct {
mu sync.RWMutex
m map[string]*dao.QueueHistory
}
func newQueueCollect() *QueueCollect {
return &QueueCollect{
m: map[string]*dao.QueueHistory{},
}
}
func (s *QueueCollect) Get(queue string) *dao.QueueHistory {
s.mu.RLock()
defer s.mu.RUnlock()
if data, ok := s.m[queue]; ok {
return data
}
return &dao.QueueHistory{}
}
func (s *QueueCollect) collect() {
nodes, err := keeper.GetNodeList()
if err != nil {
log.Printf("CollectQueueStats getNodeList failed: %v", err)
return
}
nodeChan := make(chan *GatewayStatsResp, len(nodes))
var wg sync.WaitGroup
for _, node := range nodes {
wg.Add(1)
go func(node string) {
defer wg.Done()
stats, err := getGatewayStats(node)
if err != nil {
log.Printf("GetGatewayStats failed: %v", err)
return
}
nodeChan <- stats
}(node)
}
wg.Wait()
// merge
if len(nodeChan) == 0 {
return
}
results := make(map[string]*GatewayStatsItem)
Range:
for {
select {
case stats := <-nodeChan:
for queue, data := range stats.Data {
if _, ok := results[queue]; !ok {
results[queue] = data
} else {
results[queue].SuccessCount += data.SuccessCount
results[queue].FailCount += data.FailCount
}
}
default:
break Range
}
}
// calculate qps
data := make(map[string]*dao.QueueHistory, len(results))
for queue, stats := range results {
qps := 0.0
if sec := stats.TimePeriod.Seconds(); sec > 0 {
qps = float64(stats.SuccessCount+stats.FailCount) / sec
}
data[queue] = &dao.QueueHistory{
Queue: queue,
SuccessCount: stats.SuccessCount,
FailCount: stats.FailCount,
AddQps: qps,
}
}
s.mu.Lock()
s.m = data
s.mu.Unlock()
err = dao.QueueHistory{DataType: dao.HourData}.CreateBatch(data)
if err != nil {
log.Printf("QueueHistory CreateBatch failed: %v", err)
}
}