avoid reusing context object
fix https://github.com/chrislusf/seaweedfs/issues/1182
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@@ -40,16 +40,16 @@ func (fs *FilerSource) initialize(grpcAddress string, dir string) (err error) {
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return nil
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}
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func (fs *FilerSource) LookupFileId(ctx context.Context, part string) (fileUrl string, err error) {
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func (fs *FilerSource) LookupFileId(part string) (fileUrl string, err error) {
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vid2Locations := make(map[string]*filer_pb.Locations)
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vid := volumeId(part)
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err = fs.withFilerClient(ctx, fs.grpcDialOption, func(ctx context.Context, client filer_pb.SeaweedFilerClient) error {
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err = fs.withFilerClient(func(client filer_pb.SeaweedFilerClient) error {
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glog.V(4).Infof("read lookup volume id locations: %v", vid)
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resp, err := client.LookupVolume(ctx, &filer_pb.LookupVolumeRequest{
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resp, err := client.LookupVolume(context.Background(), &filer_pb.LookupVolumeRequest{
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VolumeIds: []string{vid},
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})
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if err != nil {
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@@ -78,9 +78,9 @@ func (fs *FilerSource) LookupFileId(ctx context.Context, part string) (fileUrl s
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return
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}
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func (fs *FilerSource) ReadPart(ctx context.Context, part string) (filename string, header http.Header, readCloser io.ReadCloser, err error) {
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func (fs *FilerSource) ReadPart(part string) (filename string, header http.Header, readCloser io.ReadCloser, err error) {
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fileUrl, err := fs.LookupFileId(ctx, part)
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fileUrl, err := fs.LookupFileId(part)
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if err != nil {
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return "", nil, nil, err
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}
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@@ -90,11 +90,11 @@ func (fs *FilerSource) ReadPart(ctx context.Context, part string) (filename stri
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return filename, header, readCloser, err
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}
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func (fs *FilerSource) withFilerClient(ctx context.Context, grpcDialOption grpc.DialOption, fn func(context.Context, filer_pb.SeaweedFilerClient) error) error {
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func (fs *FilerSource) withFilerClient(fn func(filer_pb.SeaweedFilerClient) error) error {
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return util.WithCachedGrpcClient(ctx, func(ctx2 context.Context, grpcConnection *grpc.ClientConn) error {
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return util.WithCachedGrpcClient(func(grpcConnection *grpc.ClientConn) error {
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client := filer_pb.NewSeaweedFilerClient(grpcConnection)
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return fn(ctx2, client)
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return fn(client)
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}, fs.grpcAddress, fs.grpcDialOption)
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}
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