/
svrdef.go
59 lines (52 loc) · 1.11 KB
/
svrdef.go
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package discover
import (
"sync"
"go.etcd.io/etcd/api/v3/mvccpb"
"google.golang.org/grpc"
)
type SvrDef struct {
ServerName string
AddrsMap map[string]string
AddrsMapMu sync.RWMutex
GrpcCliMap map[string]*grpc.ClientConn
}
func NewSvrDef(servername string, kvs *[]*mvccpb.KeyValue) *SvrDef {
ret := &SvrDef{
ServerName: servername,
AddrsMap: make(map[string]string),
}
if kvs == nil || len(*kvs) == 0 {
} else {
for _, v := range *kvs {
ret.AddrsMap[string(v.Key)] = string(v.Value)
}
}
return ret
}
func (sd *SvrDef) Update(kvs *[]*mvccpb.KeyValue) {
sd.AddrsMapMu.Lock()
defer sd.AddrsMapMu.Unlock()
for k := range sd.AddrsMap {
delete(sd.AddrsMap, k)
}
for _, v := range *kvs {
sd.AddrsMap[string(v.Key)] = string(v.Value)
}
}
func (sd *SvrDef) AddrsList() (addrs []string) {
addrs = make([]string, 0)
sd.AddrsMapMu.RLock()
defer sd.AddrsMapMu.RUnlock()
for _, v := range sd.AddrsMap {
addrs = append(addrs, v)
}
return
}
func (sd *SvrDef) RandomAddr() (addr string) {
sd.AddrsMapMu.RLock()
defer sd.AddrsMapMu.RUnlock()
for _, v := range sd.AddrsMap {
return v
}
return
}