mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-11-30 07:09:01 +08:00
5ce6bbf076
glide has its own requirements. My previous workaround caused me some code checkin errors. Need to fix this.
58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
package topology
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/chrislusf/seaweedfs/weed/storage"
|
|
"github.com/chrislusf/seaweedfs/weed/util"
|
|
)
|
|
|
|
type Collection struct {
|
|
Name string
|
|
volumeSizeLimit uint64
|
|
storageType2VolumeLayout *util.ConcurrentReadMap
|
|
}
|
|
|
|
func NewCollection(name string, volumeSizeLimit uint64) *Collection {
|
|
c := &Collection{Name: name, volumeSizeLimit: volumeSizeLimit}
|
|
c.storageType2VolumeLayout = util.NewConcurrentReadMap()
|
|
return c
|
|
}
|
|
|
|
func (c *Collection) String() string {
|
|
return fmt.Sprintf("Name:%s, volumeSizeLimit:%d, storageType2VolumeLayout:%v", c.Name, c.volumeSizeLimit, c.storageType2VolumeLayout)
|
|
}
|
|
|
|
func (c *Collection) GetOrCreateVolumeLayout(rp *storage.ReplicaPlacement, ttl *storage.TTL) *VolumeLayout {
|
|
keyString := rp.String()
|
|
if ttl != nil {
|
|
keyString += ttl.String()
|
|
}
|
|
vl := c.storageType2VolumeLayout.Get(keyString, func() interface{} {
|
|
return NewVolumeLayout(rp, ttl, c.volumeSizeLimit)
|
|
})
|
|
return vl.(*VolumeLayout)
|
|
}
|
|
|
|
func (c *Collection) Lookup(vid storage.VolumeId) []*DataNode {
|
|
for _, vl := range c.storageType2VolumeLayout.Items() {
|
|
if vl != nil {
|
|
if list := vl.(*VolumeLayout).Lookup(vid); list != nil {
|
|
return list
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (c *Collection) ListVolumeServers() (nodes []*DataNode) {
|
|
for _, vl := range c.storageType2VolumeLayout.Items() {
|
|
if vl != nil {
|
|
if list := vl.(*VolumeLayout).ListVolumeServers(); list != nil {
|
|
nodes = append(nodes, list...)
|
|
}
|
|
}
|
|
}
|
|
return
|
|
}
|