mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-06-03 01:00:04 +02:00
84 lines
2.3 KiB
Go
84 lines
2.3 KiB
Go
package needle
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import (
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"fmt"
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"github.com/chrislusf/seaweedfs/weed/storage/backend"
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"io"
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"os"
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"testing"
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"github.com/chrislusf/seaweedfs/weed/storage/types"
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)
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func TestPageRead(t *testing.T) {
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baseFileName := "43"
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offset := int64(8)
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size := types.Size(1153890) // actual file size 1153862
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datFile, err := os.OpenFile(baseFileName+".dat", os.O_RDONLY, 0644)
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if err != nil {
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t.Fatalf("Open Volume Data File [ERROR]: %v", err)
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}
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datBackend := backend.NewDiskFile(datFile)
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defer datBackend.Close()
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{
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n := new(Needle)
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bytes, err := ReadNeedleBlob(datBackend, offset, size, Version3)
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if err != nil {
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t.Fatalf("readNeedleBlob: %v", err)
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}
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if err = n.ReadBytes(bytes, offset, size, Version3); err != nil {
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t.Fatalf("readNeedleBlob: %v", err)
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}
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fmt.Printf("bytes len %d\n", len(bytes))
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fmt.Printf("name %s size %d\n", n.Name, n.Size)
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fmt.Printf("id %d\n", n.Id)
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fmt.Printf("DataSize %d\n", n.DataSize)
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fmt.Printf("Flags %v\n", n.Flags)
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fmt.Printf("NameSize %d\n", n.NameSize)
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fmt.Printf("MimeSize %d\n", n.MimeSize)
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fmt.Printf("PairsSize %d\n", n.PairsSize)
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fmt.Printf("LastModified %d\n", n.LastModified)
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fmt.Printf("AppendAtNs %d\n", n.AppendAtNs)
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fmt.Printf("Checksum %d\n", n.Checksum)
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}
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{
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n, bytes, bodyLength, err := ReadNeedleHeader(datBackend, Version3, offset)
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if err != nil {
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t.Fatalf("ReadNeedleHeader: %v", err)
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}
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fmt.Printf("bytes len %d\n", len(bytes))
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fmt.Printf("name %s size %d bodyLength:%d\n", n.Name, n.Size, bodyLength)
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}
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{
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n := new(Needle)
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checksumValue, err := n.ReadNeedleMeta(datBackend, offset, size, Version3)
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if err != nil {
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t.Fatalf("ReadNeedleHeader: %v", err)
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}
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fmt.Printf("name %s size %d\n", n.Name, n.Size)
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fmt.Printf("id %d\n", n.Id)
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fmt.Printf("DataSize %d\n", n.DataSize)
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fmt.Printf("Flags %v\n", n.Flags)
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fmt.Printf("NameSize %d\n", n.NameSize)
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fmt.Printf("MimeSize %d\n", n.MimeSize)
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fmt.Printf("PairsSize %d\n", n.PairsSize)
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fmt.Printf("LastModified %d\n", n.LastModified)
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fmt.Printf("AppendAtNs %d\n", n.AppendAtNs)
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fmt.Printf("Checksum %d\n", n.Checksum)
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fmt.Printf("Checksum value %d\n", checksumValue)
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buf := make([]byte, 1024)
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if err = n.ReadNeedleDataInto(datBackend, offset, buf, io.Discard, 0, int64(n.DataSize), checksumValue); err != nil {
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t.Fatalf("ReadNeedleDataInto: %v", err)
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}
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}
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}
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