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https://github.com/seaweedfs/seaweedfs.git
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86cd40fba8
This is a pre-cursor for asynchronous replication.
55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
package operation
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import (
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"encoding/json"
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"fmt"
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"net/url"
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"github.com/chrislusf/seaweedfs/go/glog"
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"github.com/chrislusf/seaweedfs/go/util"
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)
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type SyncVolumeResponse struct {
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Replication string `json:"Replication,omitempty"`
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Ttl string `json:"Ttl,omitempty"`
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TailOffset uint64 `json:"TailOffset,omitempty"`
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CompactRevision uint16 `json:"CompactRevision,omitempty"`
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IdxFileSize uint64 `json:"IdxFileSize,omitempty"`
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Error string `json:"error,omitempty"`
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}
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func GetVolumeSyncStatus(server string, vid string) (*SyncVolumeResponse, error) {
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values := make(url.Values)
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values.Add("volume", vid)
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jsonBlob, err := util.Post("http://"+server+"/admin/sync/status", values)
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glog.V(2).Info("sync volume result :", string(jsonBlob))
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if err != nil {
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return nil, err
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}
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var ret SyncVolumeResponse
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err = json.Unmarshal(jsonBlob, &ret)
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if err != nil {
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return nil, err
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}
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if ret.Error != "" {
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return nil, fmt.Errorf("Volume %s get sync status error: %s", vid, ret.Error)
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}
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return &ret, nil
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}
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func GetVolumeIdxEntries(server string, vid string, eachEntryFn func(key uint64, offset, size uint32)) error {
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values := make(url.Values)
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values.Add("volume", vid)
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line := make([]byte, 16)
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err := util.GetBufferStream("http://"+server+"/admin/sync/index", values, line, func(bytes []byte) {
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key := util.BytesToUint64(bytes[:8])
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offset := util.BytesToUint32(bytes[8:12])
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size := util.BytesToUint32(bytes[12:16])
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eachEntryFn(key, offset, size)
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})
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if err != nil {
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return err
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}
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return nil
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}
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