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https://github.com/chrislusf/seaweedfs
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5ce6bbf076
glide has its own requirements. My previous workaround caused me some code checkin errors. Need to fix this.
54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
package storage
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import (
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"errors"
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"fmt"
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)
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type ReplicaPlacement struct {
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SameRackCount int
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DiffRackCount int
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DiffDataCenterCount int
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}
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func NewReplicaPlacementFromString(t string) (*ReplicaPlacement, error) {
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rp := &ReplicaPlacement{}
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for i, c := range t {
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count := int(c - '0')
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if 0 <= count && count <= 2 {
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switch i {
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case 0:
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rp.DiffDataCenterCount = count
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case 1:
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rp.DiffRackCount = count
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case 2:
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rp.SameRackCount = count
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}
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} else {
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return rp, errors.New("Unknown Replication Type:" + t)
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}
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}
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return rp, nil
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}
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func NewReplicaPlacementFromByte(b byte) (*ReplicaPlacement, error) {
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return NewReplicaPlacementFromString(fmt.Sprintf("%03d", b))
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}
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func (rp *ReplicaPlacement) Byte() byte {
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ret := rp.DiffDataCenterCount*100 + rp.DiffRackCount*10 + rp.SameRackCount
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return byte(ret)
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}
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func (rp *ReplicaPlacement) String() string {
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b := make([]byte, 3)
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b[0] = byte(rp.DiffDataCenterCount + '0')
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b[1] = byte(rp.DiffRackCount + '0')
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b[2] = byte(rp.SameRackCount + '0')
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return string(b)
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}
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func (rp *ReplicaPlacement) GetCopyCount() int {
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return rp.DiffDataCenterCount + rp.DiffRackCount + rp.SameRackCount + 1
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}
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