forked from open-falcon-archive/agent
/
transfer.go
56 lines (49 loc) · 1.31 KB
/
transfer.go
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package g
import (
"log"
"math/rand"
"sync"
"time"
"github.com/Cepave/common/model"
)
var (
TransferLock *sync.RWMutex = new(sync.RWMutex)
TransferClients map[string]*SingleConnRpcClient = map[string]*SingleConnRpcClient{}
)
func SendMetrics(metrics []*model.MetricValue, resp *model.TransferResponse) {
rand.Seed(time.Now().UnixNano())
for _, i := range rand.Perm(len(Config().Transfer.Addrs)) {
addr := Config().Transfer.Addrs[i]
if _, ok := TransferClients[addr]; !ok {
initTransferClient(addr)
}
if updateMetrics(addr, metrics, resp) {
break
}
closeTransferClient(addr)
}
}
func initTransferClient(addr string) {
TransferLock.Lock()
defer TransferLock.Unlock()
TransferClients[addr] = &SingleConnRpcClient{
RpcServer: addr,
Timeout: time.Duration(Config().Transfer.Timeout) * time.Millisecond,
}
}
func closeTransferClient(addr string) {
TransferLock.Lock()
defer TransferLock.Unlock()
TransferClients[addr].close()
delete(TransferClients, addr)
}
func updateMetrics(addr string, metrics []*model.MetricValue, resp *model.TransferResponse) bool {
TransferLock.RLock()
defer TransferLock.RUnlock()
err := TransferClients[addr].Call("Transfer.Update", metrics, resp)
if err != nil {
log.Println("call Transfer.Update fail", addr, err)
return false
}
return true
}