func TestDatastoreGetNotAllowedAfterClose(t *testing.T) {
t.Parallel()
path := testRepoPath("test", t)
assert.True(!IsInitialized(path), t, "should NOT be initialized")
assert.Nil(Init(path, &config.Config{}), t, "should initialize successfully")
r, err := Open(path)
assert.Nil(err, t, "should open successfully")
k := "key"
data := []byte(k)
assert.Nil(r.Datastore().Put(datastore.NewKey(k), data), t, "Put should be successful")
assert.Nil(r.Close(), t)
_, err = r.Datastore().Get(datastore.NewKey(k))
assert.Err(err, t, "after closer, Get should be fail")
}
func openDefaultDatastore(r *FSRepo) (repo.Datastore, error) {
leveldbPath := path.Join(r.path, leveldbDirectory)
// save leveldb reference so it can be neatly closed afterward
leveldbDS, err := levelds.NewDatastore(leveldbPath, &levelds.Options{
Compression: ldbopts.NoCompression,
})
if err != nil {
return nil, fmt.Errorf("unable to open leveldb datastore: %v", err)
}
syncfs := !r.config.Datastore.NoSync
// 5 bytes of prefix gives us 25 bits of freedom, 16 of which are taken by
// by the Qm prefix. Leaving us with 9 bits, or 512 way sharding
blocksDS, err := flatfs.New(path.Join(r.path, flatfsDirectory), 5, syncfs)
if err != nil {
return nil, fmt.Errorf("unable to open flatfs datastore: %v", err)
}
// Add our PeerID to metrics paths to keep them unique
//
// As some tests just pass a zero-value Config to fsrepo.Init,
// cope with missing PeerID.
id := r.config.Identity.PeerID
if id == "" {
// the tests pass in a zero Config; cope with it
id = fmt.Sprintf("uninitialized_%p", r)
}
prefix := "ipfs.fsrepo.datastore."
metricsBlocks := measure.New(prefix+"blocks", blocksDS)
metricsLevelDB := measure.New(prefix+"leveldb", leveldbDS)
mountDS := mount.New([]mount.Mount{
{
Prefix: ds.NewKey("/blocks"),
Datastore: metricsBlocks,
},
{
Prefix: ds.NewKey("/"),
Datastore: metricsLevelDB,
},
})
return mountDS, nil
}
func TestDatastorePersistsFromRepoToRepo(t *testing.T) {
t.Parallel()
path := testRepoPath("test", t)
assert.Nil(Init(path, &config.Config{}), t)
r1, err := Open(path)
assert.Nil(err, t)
k := "key"
expected := []byte(k)
assert.Nil(r1.Datastore().Put(datastore.NewKey(k), expected), t, "using first repo, Put should be successful")
assert.Nil(r1.Close(), t)
r2, err := Open(path)
assert.Nil(err, t)
v, err := r2.Datastore().Get(datastore.NewKey(k))
assert.Nil(err, t, "using second repo, Get should be successful")
actual, ok := v.([]byte)
assert.True(ok, t, "value should be the []byte from r1's Put")
assert.Nil(r2.Close(), t)
assert.True(bytes.Compare(expected, actual) == 0, t, "data should match")
}
func (n *IpfsNode) loadFilesRoot() error {
dsk := ds.NewKey("/local/filesroot")
pf := func(ctx context.Context, c *cid.Cid) error {
return n.Repo.Datastore().Put(dsk, c.Bytes())
}
var nd *merkledag.ProtoNode
val, err := n.Repo.Datastore().Get(dsk)
switch {
case err == ds.ErrNotFound || val == nil:
nd = ft.EmptyDirNode()
_, err := n.DAG.Add(nd)
if err != nil {
return fmt.Errorf("failure writing to dagstore: %s", err)
}
case err == nil:
c, err := cid.Cast(val.([]byte))
if err != nil {
return err
}
rnd, err := n.DAG.Get(n.Context(), c)
if err != nil {
return fmt.Errorf("error loading filesroot from DAG: %s", err)
}
pbnd, ok := rnd.(*merkledag.ProtoNode)
if !ok {
return merkledag.ErrNotProtobuf
}
nd = pbnd
default:
return err
}
mr, err := mfs.NewRoot(n.Context(), n.DAG, nd, pf)
if err != nil {
return err
}
n.FilesRoot = mr
return nil
}
"sync/atomic"
blocks "github.com/ipfs/go-ipfs/blocks"
dshelp "github.com/ipfs/go-ipfs/thirdparty/ds-help"
ds "gx/ipfs/QmRWDav6mzWseLWeYfVd5fvUKiVe9xNH29YfMF438fG364/go-datastore"
dsns "gx/ipfs/QmRWDav6mzWseLWeYfVd5fvUKiVe9xNH29YfMF438fG364/go-datastore/namespace"
dsq "gx/ipfs/QmRWDav6mzWseLWeYfVd5fvUKiVe9xNH29YfMF438fG364/go-datastore/query"
logging "gx/ipfs/QmSpJByNKFX1sCsHBEp3R73FL4NF6FnQTEGyNAXHm2GS52/go-log"
cid "gx/ipfs/QmcTcsTvfaeEBRFo1TkFgT8sRmgi1n1LTZpecfVP8fzpGD/go-cid"
)
var log = logging.Logger("blockstore")
// BlockPrefix namespaces blockstore datastores
var BlockPrefix = ds.NewKey("blocks")
var ValueTypeMismatch = errors.New("the retrieved value is not a Block")
var ErrHashMismatch = errors.New("block in storage has different hash than requested")
var ErrNotFound = errors.New("blockstore: block not found")
// Blockstore wraps a Datastore
type Blockstore interface {
DeleteBlock(*cid.Cid) error
Has(*cid.Cid) (bool, error)
Get(*cid.Cid) (blocks.Block, error)
Put(blocks.Block) error
PutMany([]blocks.Block) error
AllKeysChan(ctx context.Context) (<-chan *cid.Cid, error)
"fmt"
"os"
"sync"
"time"
mdag "github.com/ipfs/go-ipfs/merkledag"
node "gx/ipfs/QmRSU5EqqWVZSNdbU51yXmVoF1uNw3JgTNB6RaiL7DZM16/go-ipld-node"
ds "gx/ipfs/QmRWDav6mzWseLWeYfVd5fvUKiVe9xNH29YfMF438fG364/go-datastore"
logging "gx/ipfs/QmSpJByNKFX1sCsHBEp3R73FL4NF6FnQTEGyNAXHm2GS52/go-log"
cid "gx/ipfs/QmcTcsTvfaeEBRFo1TkFgT8sRmgi1n1LTZpecfVP8fzpGD/go-cid"
)
var log = logging.Logger("pin")
var pinDatastoreKey = ds.NewKey("/local/pins")
var emptyKey *cid.Cid
func init() {
e, err := cid.Decode("QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n")
if err != nil {
log.Error("failed to decode empty key constant")
os.Exit(1)
}
emptyKey = e
}
const (
linkRecursive = "recursive"
linkDirect = "direct"
// TODO: put this code into the go-datastore itself
func NewKeyFromBinary(s string) ds.Key {
return ds.NewKey(base32.RawStdEncoding.EncodeToString([]byte(s)))
}