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servers.go
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servers.go
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package servers
import (
"context"
"fmt"
_const "github.com/jeffcail/ginframe/server-common/const"
"github.com/jeffcail/ginframe/server-common/nacosRF"
"github.com/jeffcail/ginframe/server-user/pb"
"google.golang.org/grpc"
"sync"
)
type Servers struct {
conn *grpc.ClientConn
}
var (
userMap sync.Map
rpcUser sync.Once
)
func init() {
userMap = sync.Map{}
}
// GetUserRpcServer 发现用户服
func GetUserRpcServer(index string) pb.RpcUserServiceClient {
serverName := fmt.Sprintf(_const.UserServerName + index)
v, has := userMap.Load(serverName)
if !has {
info, err := nacosRF.NacosInstance.FindOneInstance(serverName)
if err != nil {
return nil
}
//conn, err := grpc.Dial(fmt.Sprintf("%s:%d", info.Ip, info.Port), grpc.WithInsecure())
conn, err := grpc.DialContext(context.Background(), fmt.Sprintf("%s:%d", info.Ip, info.Port),
grpc.WithInsecure(), grpc.WithDisableHealthCheck())
if err != nil {
return nil
}
p := pb.NewRpcUserServiceClient(conn)
userMap.Store(serverName, p)
go func() {
rpcUser.Do(func() {
nacosRF.NacosInstance.ListenInstance(serverName, func(server *nacosRF.ServerInfo) {
info, err := nacosRF.NacosInstance.FindOneInstance(serverName)
if err != nil {
return
}
conn, err := grpc.DialContext(context.Background(), fmt.Sprintf("%s:%s", info.Ip, info.Port),
grpc.WithInsecure(), grpc.WithDisableHealthCheck())
if err != nil {
return
}
p = pb.NewRpcUserServiceClient(conn)
userMap.Store(serverName, p)
})
})
}()
return p
}
return v.(pb.RpcUserServiceClient)
}