forked from open-falcon/falcon-plus
/
transfer.go
62 lines (51 loc) · 1.37 KB
/
transfer.go
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package g
import (
"log"
"math/rand"
"sync"
"time"
"github.com/open-falcon/falcon-plus/common/model"
)
var (
TransferClientsLock *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]
c := getTransferClient(addr)
if c == nil {
c = initTransferClient(addr)
}
if updateMetrics(c, metrics, resp) {
break
}
}
}
func initTransferClient(addr string) *SingleConnRpcClient {
var c *SingleConnRpcClient = &SingleConnRpcClient{
RpcServer: addr,
Timeout: time.Duration(Config().Transfer.Timeout) * time.Millisecond,
}
TransferClientsLock.Lock()
defer TransferClientsLock.Unlock()
TransferClients[addr] = c
return c
}
func updateMetrics(c *SingleConnRpcClient, metrics []*model.MetricValue, resp *model.TransferResponse) bool {
err := c.Call("Transfer.Update", metrics, resp)
if err != nil {
log.Println("call Transfer.Update fail:", c, err)
return false
}
return true
}
func getTransferClient(addr string) *SingleConnRpcClient {
TransferClientsLock.RLock()
defer TransferClientsLock.RUnlock()
if c, ok := TransferClients[addr]; ok {
return c
}
return nil
}