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280 lines
8.5 KiB
280 lines
8.5 KiB
package pb
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import (
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"context"
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"fmt"
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"google.golang.org/grpc/metadata"
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"math/rand/v2"
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"net/http"
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"strconv"
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"strings"
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"sync"
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"time"
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb"
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"github.com/seaweedfs/seaweedfs/weed/util"
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"google.golang.org/grpc"
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"google.golang.org/grpc/keepalive"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
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"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
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)
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const (
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Max_Message_Size = 1 << 30 // 1 GB
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)
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var (
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// cache grpc connections
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grpcClients = make(map[string]*versionedGrpcClient)
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grpcClientsLock sync.Mutex
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)
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type versionedGrpcClient struct {
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*grpc.ClientConn
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version int
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errCount int
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}
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func init() {
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http.DefaultTransport.(*http.Transport).MaxIdleConnsPerHost = 1024
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http.DefaultTransport.(*http.Transport).MaxIdleConns = 1024
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}
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func NewGrpcServer(opts ...grpc.ServerOption) *grpc.Server {
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var options []grpc.ServerOption
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options = append(options,
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grpc.KeepaliveParams(keepalive.ServerParameters{
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Time: 10 * time.Second, // wait time before ping if no activity
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Timeout: 20 * time.Second, // ping timeout
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// MaxConnectionAge: 10 * time.Hour,
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}),
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grpc.KeepaliveEnforcementPolicy(keepalive.EnforcementPolicy{
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MinTime: 60 * time.Second, // min time a client should wait before sending a ping
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PermitWithoutStream: true,
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}),
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grpc.MaxRecvMsgSize(Max_Message_Size),
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grpc.MaxSendMsgSize(Max_Message_Size),
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)
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for _, opt := range opts {
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if opt != nil {
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options = append(options, opt)
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}
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}
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return grpc.NewServer(options...)
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}
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func GrpcDial(ctx context.Context, address string, waitForReady bool, opts ...grpc.DialOption) (*grpc.ClientConn, error) {
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// opts = append(opts, grpc.WithBlock())
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// opts = append(opts, grpc.WithTimeout(time.Duration(5*time.Second)))
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var options []grpc.DialOption
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options = append(options,
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// grpc.WithTransportCredentials(insecure.NewCredentials()),
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grpc.WithDefaultCallOptions(
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grpc.MaxCallSendMsgSize(Max_Message_Size),
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grpc.MaxCallRecvMsgSize(Max_Message_Size),
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grpc.WaitForReady(waitForReady),
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),
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grpc.WithKeepaliveParams(keepalive.ClientParameters{
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Time: 30 * time.Second, // client ping server if no activity for this long
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Timeout: 20 * time.Second,
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PermitWithoutStream: true,
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}))
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for _, opt := range opts {
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if opt != nil {
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options = append(options, opt)
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}
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}
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return grpc.DialContext(ctx, address, options...)
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}
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func getOrCreateConnection(address string, waitForReady bool, opts ...grpc.DialOption) (*versionedGrpcClient, error) {
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grpcClientsLock.Lock()
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defer grpcClientsLock.Unlock()
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existingConnection, found := grpcClients[address]
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if found {
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return existingConnection, nil
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}
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ctx := context.Background()
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grpcConnection, err := GrpcDial(ctx, address, waitForReady, opts...)
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if err != nil {
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return nil, fmt.Errorf("fail to dial %s: %v", address, err)
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}
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vgc := &versionedGrpcClient{
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grpcConnection,
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rand.Int(),
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0,
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}
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grpcClients[address] = vgc
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return vgc, nil
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}
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// WithGrpcClient In streamingMode, always use a fresh connection. Otherwise, try to reuse an existing connection.
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func WithGrpcClient(streamingMode bool, signature int32, fn func(*grpc.ClientConn) error, address string, waitForReady bool, opts ...grpc.DialOption) error {
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if !streamingMode {
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vgc, err := getOrCreateConnection(address, waitForReady, opts...)
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if err != nil {
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return fmt.Errorf("getOrCreateConnection %s: %v", address, err)
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}
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executionErr := fn(vgc.ClientConn)
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if executionErr != nil {
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if strings.Contains(executionErr.Error(), "transport") ||
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strings.Contains(executionErr.Error(), "connection closed") {
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grpcClientsLock.Lock()
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if t, ok := grpcClients[address]; ok {
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if t.version == vgc.version {
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vgc.Close()
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delete(grpcClients, address)
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}
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}
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grpcClientsLock.Unlock()
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}
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}
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return executionErr
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} else {
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ctx := context.Background()
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if signature != 0 {
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md := metadata.New(map[string]string{"sw-client-id": fmt.Sprintf("%d", signature)})
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ctx = metadata.NewOutgoingContext(ctx, md)
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}
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grpcConnection, err := GrpcDial(ctx, address, waitForReady, opts...)
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if err != nil {
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return fmt.Errorf("fail to dial %s: %v", address, err)
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}
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defer grpcConnection.Close()
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executionErr := fn(grpcConnection)
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if executionErr != nil {
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return executionErr
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}
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return nil
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}
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}
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func ParseServerAddress(server string, deltaPort int) (newServerAddress string, err error) {
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host, port, parseErr := hostAndPort(server)
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if parseErr != nil {
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return "", fmt.Errorf("server port parse error: %v", parseErr)
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}
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newPort := int(port) + deltaPort
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return util.JoinHostPort(host, newPort), nil
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}
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func hostAndPort(address string) (host string, port uint64, err error) {
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colonIndex := strings.LastIndex(address, ":")
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if colonIndex < 0 {
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return "", 0, fmt.Errorf("server should have hostname:port format: %v", address)
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}
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port, err = strconv.ParseUint(address[colonIndex+1:], 10, 64)
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if err != nil {
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return "", 0, fmt.Errorf("server port parse error: %v", err)
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}
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return address[:colonIndex], port, err
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}
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func ServerToGrpcAddress(server string) (serverGrpcAddress string) {
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host, port, parseErr := hostAndPort(server)
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if parseErr != nil {
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glog.Fatalf("server address %s parse error: %v", server, parseErr)
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}
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grpcPort := int(port) + 10000
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return util.JoinHostPort(host, grpcPort)
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}
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func GrpcAddressToServerAddress(grpcAddress string) (serverAddress string) {
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host, grpcPort, parseErr := hostAndPort(grpcAddress)
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if parseErr != nil {
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glog.Fatalf("server grpc address %s parse error: %v", grpcAddress, parseErr)
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}
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port := int(grpcPort) - 10000
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return util.JoinHostPort(host, port)
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}
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func WithMasterClient(streamingMode bool, master ServerAddress, grpcDialOption grpc.DialOption, waitForReady bool, fn func(client master_pb.SeaweedClient) error) error {
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return WithGrpcClient(streamingMode, 0, func(grpcConnection *grpc.ClientConn) error {
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client := master_pb.NewSeaweedClient(grpcConnection)
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return fn(client)
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}, master.ToGrpcAddress(), waitForReady, grpcDialOption)
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}
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func WithVolumeServerClient(streamingMode bool, volumeServer ServerAddress, grpcDialOption grpc.DialOption, fn func(client volume_server_pb.VolumeServerClient) error) error {
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return WithGrpcClient(streamingMode, 0, func(grpcConnection *grpc.ClientConn) error {
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client := volume_server_pb.NewVolumeServerClient(grpcConnection)
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return fn(client)
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}, volumeServer.ToGrpcAddress(), false, grpcDialOption)
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}
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func WithOneOfGrpcMasterClients(streamingMode bool, masterGrpcAddresses map[string]ServerAddress, grpcDialOption grpc.DialOption, fn func(client master_pb.SeaweedClient) error) (err error) {
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for _, masterGrpcAddress := range masterGrpcAddresses {
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err = WithGrpcClient(streamingMode, 0, func(grpcConnection *grpc.ClientConn) error {
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client := master_pb.NewSeaweedClient(grpcConnection)
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return fn(client)
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}, masterGrpcAddress.ToGrpcAddress(), false, grpcDialOption)
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if err == nil {
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return nil
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}
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}
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return err
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}
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func WithBrokerGrpcClient(streamingMode bool, brokerGrpcAddress string, grpcDialOption grpc.DialOption, fn func(client mq_pb.SeaweedMessagingClient) error) error {
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return WithGrpcClient(streamingMode, 0, func(grpcConnection *grpc.ClientConn) error {
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client := mq_pb.NewSeaweedMessagingClient(grpcConnection)
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return fn(client)
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}, brokerGrpcAddress, false, grpcDialOption)
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}
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func WithFilerClient(streamingMode bool, signature int32, filer ServerAddress, grpcDialOption grpc.DialOption, fn func(client filer_pb.SeaweedFilerClient) error) error {
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return WithGrpcFilerClient(streamingMode, signature, filer, grpcDialOption, fn)
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}
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func WithGrpcFilerClient(streamingMode bool, signature int32, filerGrpcAddress ServerAddress, grpcDialOption grpc.DialOption, fn func(client filer_pb.SeaweedFilerClient) error) error {
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return WithGrpcClient(streamingMode, signature, func(grpcConnection *grpc.ClientConn) error {
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client := filer_pb.NewSeaweedFilerClient(grpcConnection)
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return fn(client)
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}, filerGrpcAddress.ToGrpcAddress(), false, grpcDialOption)
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}
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func WithOneOfGrpcFilerClients(streamingMode bool, filerAddresses []ServerAddress, grpcDialOption grpc.DialOption, fn func(client filer_pb.SeaweedFilerClient) error) (err error) {
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for _, filerAddress := range filerAddresses {
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err = WithGrpcClient(streamingMode, 0, func(grpcConnection *grpc.ClientConn) error {
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client := filer_pb.NewSeaweedFilerClient(grpcConnection)
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return fn(client)
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}, filerAddress.ToGrpcAddress(), false, grpcDialOption)
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if err == nil {
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return nil
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}
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}
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return err
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}
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