mirror of https://github.com/perkeep/perkeep.git
65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
/*
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Copyright 2011 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package index
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import (
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"fmt"
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"os"
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"strconv"
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"strings"
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"camli/blobref"
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)
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func (ix *Index) EnumerateBlobs(dest chan<- blobref.SizedBlobRef, after string, limit uint, waitSeconds int) os.Error {
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defer close(dest)
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it := ix.s.Find("have:" + after)
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n := uint(0)
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for n < limit && it.Next() {
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k := it.Key()
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if !strings.HasPrefix(k, "have:") {
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break
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}
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n++
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br := blobref.Parse(k[len("have:"):])
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size, err := strconv.Atoi64(it.Value())
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if br != nil && err == nil {
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dest <- blobref.SizedBlobRef{br, size}
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}
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}
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return it.Close()
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}
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func (ix *Index) StatBlobs(dest chan<- blobref.SizedBlobRef, blobs []*blobref.BlobRef, waitSeconds int) os.Error {
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for _, br := range blobs {
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key := "have:" + br.String()
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v, err := ix.s.Get(key)
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if err == ErrNotFound {
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continue
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}
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if err != nil {
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return fmt.Errorf("error looking up key %q: %v", key, err)
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}
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size, err := strconv.Atoi64(v)
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if err != nil {
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return fmt.Errorf("invalid size for key %q = %q", key, v)
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}
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dest <- blobref.SizedBlobRef{br, size}
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}
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return nil
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}
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