seaweedfs/weed/filer/read_remote.go
chrislu 9f9ef1340c use streaming mode for long poll grpc calls
streaming mode would create separate grpc connections for each call.
this is to ensure the long poll connections are properly closed.
2021-12-26 00:15:03 -08:00

37 lines
1.5 KiB
Go

package filer
import (
"context"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
"github.com/chrislusf/seaweedfs/weed/util"
)
func (entry *Entry) IsInRemoteOnly() bool {
return len(entry.Chunks) == 0 && entry.Remote != nil && entry.Remote.RemoteSize > 0
}
func MapFullPathToRemoteStorageLocation(localMountedDir util.FullPath, remoteMountedLocation *remote_pb.RemoteStorageLocation, fp util.FullPath) *remote_pb.RemoteStorageLocation {
remoteLocation := &remote_pb.RemoteStorageLocation{
Name: remoteMountedLocation.Name,
Bucket: remoteMountedLocation.Bucket,
Path: remoteMountedLocation.Path,
}
remoteLocation.Path = string(util.FullPath(remoteLocation.Path).Child(string(fp)[len(localMountedDir):]))
return remoteLocation
}
func MapRemoteStorageLocationPathToFullPath(localMountedDir util.FullPath, remoteMountedLocation *remote_pb.RemoteStorageLocation, remoteLocationPath string) (fp util.FullPath) {
return localMountedDir.Child(remoteLocationPath[len(remoteMountedLocation.Path):])
}
func CacheRemoteObjectToLocalCluster(filerClient filer_pb.FilerClient, remoteConf *remote_pb.RemoteConf, remoteLocation *remote_pb.RemoteStorageLocation, parent util.FullPath, entry *filer_pb.Entry) error {
return filerClient.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
_, err := client.CacheRemoteObjectToLocalCluster(context.Background(), &filer_pb.CacheRemoteObjectToLocalClusterRequest{
Directory: string(parent),
Name: entry.Name,
})
return err
})
}