seaweedfs/weed/operation/grpc_client.go
2018-10-14 23:12:43 -07:00

54 lines
1.4 KiB
Go

package operation
import (
"fmt"
"strconv"
"strings"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
"github.com/chrislusf/seaweedfs/weed/util"
)
func WithVolumeServerClient(volumeServer string, fn func(volume_server_pb.VolumeServerClient) error) error {
grpcAddress, err := toVolumeServerGrpcAddress(volumeServer)
if err != nil {
return err
}
grpcConnection, err := util.GrpcDial(grpcAddress)
if err != nil {
return fmt.Errorf("fail to dial %s: %v", grpcAddress, err)
}
defer grpcConnection.Close()
client := volume_server_pb.NewVolumeServerClient(grpcConnection)
return fn(client)
}
func toVolumeServerGrpcAddress(volumeServer string) (grpcAddress string, err error) {
sepIndex := strings.LastIndex(volumeServer, ":")
port, err := strconv.Atoi(volumeServer[sepIndex+1:])
if err != nil {
glog.Errorf("failed to parse volume server address: %v", volumeServer)
return "", err
}
return fmt.Sprintf("%s:%d", volumeServer[0:sepIndex], port+10000), nil
}
func withMasterServerClient(masterServer string, fn func(masterClient master_pb.SeaweedClient) error) error {
grpcConnection, err := util.GrpcDial(masterServer)
if err != nil {
return fmt.Errorf("fail to dial %s: %v", masterServer, err)
}
defer grpcConnection.Close()
client := master_pb.NewSeaweedClient(grpcConnection)
return fn(client)
}