mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-07-06 00:57:10 +02:00
127 lines
3.5 KiB
Go
127 lines
3.5 KiB
Go
package filersink
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import (
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"fmt"
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"github.com/seaweedfs/seaweedfs/weed/util"
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"sync"
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"google.golang.org/grpc"
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/operation"
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"github.com/seaweedfs/seaweedfs/weed/pb"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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)
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func (fs *FilerSink) replicateChunks(sourceChunks []*filer_pb.FileChunk, path string) (replicatedChunks []*filer_pb.FileChunk, err error) {
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if len(sourceChunks) == 0 {
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return
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}
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replicatedChunks = make([]*filer_pb.FileChunk, len(sourceChunks))
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var wg sync.WaitGroup
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for chunkIndex, sourceChunk := range sourceChunks {
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wg.Add(1)
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go func(chunk *filer_pb.FileChunk, index int) {
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defer wg.Done()
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replicatedChunk, e := fs.replicateOneChunk(chunk, path)
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if e != nil {
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err = e
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return
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}
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replicatedChunks[index] = replicatedChunk
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}(sourceChunk, chunkIndex)
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}
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wg.Wait()
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return
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}
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func (fs *FilerSink) replicateOneChunk(sourceChunk *filer_pb.FileChunk, path string) (*filer_pb.FileChunk, error) {
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fileId, err := fs.fetchAndWrite(sourceChunk, path)
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if err != nil {
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return nil, fmt.Errorf("copy %s: %v", sourceChunk.GetFileIdString(), err)
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}
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return &filer_pb.FileChunk{
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FileId: fileId,
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Offset: sourceChunk.Offset,
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Size: sourceChunk.Size,
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Mtime: sourceChunk.Mtime,
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ETag: sourceChunk.ETag,
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SourceFileId: sourceChunk.GetFileIdString(),
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CipherKey: sourceChunk.CipherKey,
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IsCompressed: sourceChunk.IsCompressed,
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}, nil
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}
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func (fs *FilerSink) fetchAndWrite(sourceChunk *filer_pb.FileChunk, path string) (fileId string, err error) {
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filename, header, resp, err := fs.filerSource.ReadPart(sourceChunk.GetFileIdString())
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if err != nil {
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return "", fmt.Errorf("read part %s: %v", sourceChunk.GetFileIdString(), err)
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}
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defer util.CloseResponse(resp)
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fileId, uploadResult, err, _ := operation.UploadWithRetry(
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fs,
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&filer_pb.AssignVolumeRequest{
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Count: 1,
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Replication: fs.replication,
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Collection: fs.collection,
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TtlSec: fs.ttlSec,
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DataCenter: fs.dataCenter,
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DiskType: fs.diskType,
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Path: path,
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},
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&operation.UploadOption{
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Filename: filename,
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Cipher: false,
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IsInputCompressed: "gzip" == header.Get("Content-Encoding"),
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MimeType: header.Get("Content-Type"),
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PairMap: nil,
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},
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func(host, fileId string) string {
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fileUrl := fmt.Sprintf("http://%s/%s", host, fileId)
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if fs.writeChunkByFiler {
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fileUrl = fmt.Sprintf("http://%s/?proxyChunkId=%s", fs.address, fileId)
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}
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glog.V(4).Infof("replicating %s to %s header:%+v", filename, fileUrl, header)
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return fileUrl
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},
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resp.Body,
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)
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if err != nil {
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glog.V(0).Infof("upload source data %v: %v", sourceChunk.GetFileIdString(), err)
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return "", fmt.Errorf("upload data: %v", err)
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}
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if uploadResult.Error != "" {
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glog.V(0).Infof("upload failure %v: %v", filename, err)
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return "", fmt.Errorf("upload result: %v", uploadResult.Error)
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}
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return
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}
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var _ = filer_pb.FilerClient(&FilerSink{})
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func (fs *FilerSink) WithFilerClient(streamingMode bool, fn func(filer_pb.SeaweedFilerClient) error) error {
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return pb.WithGrpcClient(streamingMode, 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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}, fs.grpcAddress, fs.grpcDialOption)
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}
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func (fs *FilerSink) AdjustedUrl(location *filer_pb.Location) string {
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return location.Url
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}
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func (fs *FilerSink) GetDataCenter() string {
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return fs.dataCenter
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}
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