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metadata.go
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/
metadata.go
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package pstoremem
import (
"sync"
peer "github.com/ipsn/go-ipfs/gxlibs/github.com/libp2p/go-libp2p-peer"
pstore "github.com/ipsn/go-ipfs/gxlibs/github.com/libp2p/go-libp2p-peerstore"
)
type memoryPeerMetadata struct {
// store other data, like versions
//ds ds.ThreadSafeDatastore
ds map[string]interface{}
dslock sync.Mutex
}
var _ pstore.PeerMetadata = (*memoryPeerMetadata)(nil)
func NewPeerMetadata() pstore.PeerMetadata {
return &memoryPeerMetadata{
ds: make(map[string]interface{}),
}
}
func (ps *memoryPeerMetadata) Put(p peer.ID, key string, val interface{}) error {
//dsk := ds.NewKey(string(p) + "/" + key)
//return ps.ds.Put(dsk, val)
ps.dslock.Lock()
defer ps.dslock.Unlock()
ps.ds[string(p)+"/"+key] = val
return nil
}
func (ps *memoryPeerMetadata) Get(p peer.ID, key string) (interface{}, error) {
//dsk := ds.NewKey(string(p) + "/" + key)
//return ps.ds.Get(dsk)
ps.dslock.Lock()
defer ps.dslock.Unlock()
i, ok := ps.ds[string(p)+"/"+key]
if !ok {
return nil, pstore.ErrNotFound
}
return i, nil
}