func escapeDhtKey(s string) (key.Key, error) {
parts := strings.Split(s, "/")
switch len(parts) {
case 1:
return key.B58KeyDecode(s), nil
case 3:
k := key.B58KeyDecode(parts[2])
return key.Key(strings.Join(append(parts[:2], string(k)), "/")), nil
default:
return "", errors.New("invalid key")
}
}
func escapeDhtKey(s string) (key.Key, error) {
parts := path.SplitList(s)
switch len(parts) {
case 1:
return key.B58KeyDecode(s), nil
case 3:
k := key.B58KeyDecode(parts[2])
return key.Key(path.Join(append(parts[:2], k.String()))), nil
default:
return "", errors.New("invalid key")
}
}
func AddMetadataTo(n *core.IpfsNode, skey string, m *ft.Metadata) (string, error) {
ukey := key.B58KeyDecode(skey)
nd, err := n.DAG.Get(n.Context(), ukey)
if err != nil {
return "", err
}
mdnode := new(dag.Node)
mdata, err := ft.BytesForMetadata(m)
if err != nil {
return "", err
}
mdnode.Data = mdata
if err := mdnode.AddNodeLinkClean("file", nd); err != nil {
return "", err
}
nk, err := n.DAG.Add(mdnode)
if err != nil {
return "", err
}
return nk.B58String(), nil
}
// ResolveToKey resolves a path to a key.
//
// It first checks if the path is already in the form of just a key (<key> or
// /ipfs/<key>) and returns immediately if so. Otherwise, it falls back onto
// Resolve to perform resolution of the dagnode being referenced.
func ResolveToKey(ctx context.Context, n *IpfsNode, p path.Path) (key.Key, error) {
// If the path is simply a key, parse and return it. Parsed paths are already
// normalized (read: prepended with /ipfs/ if needed), so segment[1] should
// always be the key.
if p.IsJustAKey() {
return key.B58KeyDecode(p.Segments()[1]), nil
}
// Fall back onto regular dagnode resolution. Retrieve the second-to-last
// segment of the path and resolve its link to the last segment.
head, tail, err := p.PopLastSegment()
if err != nil {
return key.Key(""), err
}
dagnode, err := Resolve(ctx, n, head)
if err != nil {
return key.Key(""), err
}
// Extract and return the key of the link to the target dag node.
link, err := dagnode.GetNodeLink(tail)
if err != nil {
return key.Key(""), err
}
return key.Key(link.Hash), nil
}
//FromB58Slice makes and returns Key from B58String slice
func FromB58Slice(ks []string) Key {
m := make(Key)
for _, kk := range ks {
k := key.B58KeyDecode(kk)
m.Add(k)
}
return m
}
//nameResolve resole name hash using IPNS.
func (p *Peer) nameResolve() (key.Key, error) {
log.Println("resolving", p.ID.Pretty())
pt, err := p.myself.ipfsNode.Namesys.Resolve(p.myself.ctx, "/ipns/"+p.ID.Pretty())
if log.If(err) {
return "", err
}
log.Println("resolved", pt)
seg := pt.Segments()
return key.B58KeyDecode(seg[len(seg)-1]), nil
}
func Metadata(n *core.IpfsNode, skey string) (*ft.Metadata, error) {
ukey := key.B58KeyDecode(skey)
nd, err := n.DAG.Get(n.Context(), ukey)
if err != nil {
return nil, err
}
return ft.MetadataFromBytes(nd.Data)
}
// DelBlock deletes the block pointed to by `hash`.
func DelBlock(node *Node, hash gmh.Multihash) error {
nd, err := node.proc()
if err != nil {
log.Warningf("ipfs block-del: %v", err)
return err
}
k := key.B58KeyDecode(hash.B58String())
return nd.Blocks.DeleteBlock(k)
}
func TestMetadata(t *testing.T) {
ctx := context.Background()
// Make some random node
ds := getDagserv(t)
data := make([]byte, 1000)
u.NewTimeSeededRand().Read(data)
r := bytes.NewReader(data)
nd, err := importer.BuildDagFromReader(ds, chunk.DefaultSplitter(r))
if err != nil {
t.Fatal(err)
}
k, err := nd.Key()
if err != nil {
t.Fatal(err)
}
m := new(ft.Metadata)
m.MimeType = "THIS IS A TEST"
// Such effort, many compromise
ipfsnode := &core.IpfsNode{DAG: ds}
mdk, err := AddMetadataTo(ipfsnode, k.B58String(), m)
if err != nil {
t.Fatal(err)
}
rec, err := Metadata(ipfsnode, mdk)
if err != nil {
t.Fatal(err)
}
if rec.MimeType != m.MimeType {
t.Fatalf("something went wrong in conversion: '%s' != '%s'", rec.MimeType, m.MimeType)
}
retnode, err := ds.Get(ctx, key.B58KeyDecode(mdk))
if err != nil {
t.Fatal(err)
}
ndr, err := uio.NewDagReader(ctx, retnode, ds)
if err != nil {
t.Fatal(err)
}
out, err := ioutil.ReadAll(ndr)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(out, data) {
t.Fatal("read incorrect data")
}
}
func pin(n *core.IpfsNode, ctx context.Context, hash string) error {
hashkey := key.B58KeyDecode(hash)
node, err := n.DAG.Get(ctx, hashkey)
if err != nil {
return err
}
err = n.Pinning.Pin(ctx, node, false)
return err
}
func addDefaultAssets(out io.Writer, repoRoot string) error {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
r, err := fsrepo.Open(repoRoot)
if err != nil { // NB: repo is owned by the node
return err
}
nd, err := core.NewIPFSNode(ctx, core.Offline(r))
if err != nil {
return err
}
defer nd.Close()
dirb := uio.NewDirectory(nd.DAG)
// add every file in the assets pkg
for fname, file := range assets.Init_dir {
buf := bytes.NewBufferString(file)
s, err := coreunix.Add(nd, buf)
if err != nil {
return err
}
k := key.B58KeyDecode(s)
if err := dirb.AddChild(fname, k); err != nil {
return err
}
}
dir := dirb.GetNode()
dkey, err := nd.DAG.Add(dir)
if err != nil {
return err
}
if err := nd.Pinning.Pin(ctx, dir, true); err != nil {
return err
}
if err := nd.Pinning.Flush(); err != nil {
return err
}
if _, err = fmt.Fprintf(out, "to get started, enter:\n"); err != nil {
return err
}
_, err = fmt.Fprintf(out, "\n\tipfs cat /ipfs/%s/readme\n\n", dkey)
return err
}
func PublishPointer(node *core.IpfsNode, ctx context.Context, mhKey multihash.Multihash, prefixLen int, addr ma.Multiaddr) (Pointer, error) {
keyhash := createKey(mhKey, prefixLen)
k := key.B58KeyDecode(keyhash.B58String())
magicID, err := getMagicID()
if err != nil {
return Pointer{}, err
}
pi := peer.PeerInfo{
ID: magicID,
Addrs: []ma.Multiaddr{addr},
}
return Pointer{Key: k, Value: pi}, addPointer(node, ctx, k, pi)
}
// Locate finds the object pointed to by `hash`. It will wait
// for max `timeout` duration if it got less than `n` items in that time.
// If `n` is less than 0, all reachable peers that have `hash` will be returned.
// If `n` is 0, Locate will return immeditately.
// This operation requires online-mode.
func Locate(node *Node, hash gmh.Multihash, n int, t time.Duration) ([]*PeerInfo, error) {
if n == 0 {
return []*PeerInfo{}, nil
}
// Note: Do not use Maxint32. That makes ipfs allocate
// a whole lot of memory. Just assume that 100 is fine.
if n < 0 {
n = 100
}
if !node.IsOnline() {
return nil, ErrIsOffline
}
nd, err := node.proc()
if err != nil {
log.Warningf("ipfs dht: %v", err)
return nil, err
}
dht, ok := nd.Routing.(*ipdht.IpfsDHT)
if !ok {
return nil, commands.ErrNotDHT
}
ctx, cancel := context.WithTimeout(node.Context, t)
defer cancel()
k := key.B58KeyDecode(hash.B58String())
peers := dht.FindProvidersAsync(ctx, k, n)
infos := []*PeerInfo{}
for info := range peers {
// Converting equal struct into each other is my favourite thing.
peerInfo := &PeerInfo{
ID: info.ID.Pretty(),
PubKey: node.ipfsNode.Peerstore.PubKey(info.ID),
}
for _, addr := range info.Addrs {
peerInfo.Addrs = append(peerInfo.Addrs, ma.Cast(addr.Bytes()))
}
infos = append(infos, peerInfo)
}
return infos, nil
}
func loadIndirPin(d ds.Datastore, k ds.Key) (*indirectPin, error) {
var rcStore map[string]int
err := loadSet(d, k, &rcStore)
if err != nil {
return nil, err
}
refcnt := make(map[key.Key]int)
var keys []key.Key
for encK, v := range rcStore {
if v > 0 {
k := key.B58KeyDecode(encK)
keys = append(keys, k)
refcnt[k] = v
}
}
// log.Debugf("indirPin keys: %#v", keys)
return &indirectPin{blockset: set.SimpleSetFromKeys(keys), refCounts: refcnt}, nil
}
func addLinkCaller(req cmds.Request, root *dag.Node) (key.Key, error) {
if len(req.Arguments()) < 4 {
return "", fmt.Errorf("not enough arguments for add-link")
}
nd, err := req.InvocContext().GetNode()
if err != nil {
return "", err
}
path := req.Arguments()[2]
childk := key.B58KeyDecode(req.Arguments()[3])
create, _, err := req.Option("create").Bool()
if err != nil {
return "", err
}
var createfunc func() *dag.Node
if create {
createfunc = func() *dag.Node {
return &dag.Node{Data: ft.FolderPBData()}
}
}
e := dagutils.NewDagEditor(nd.DAG, root)
childnd, err := nd.DAG.Get(req.Context(), childk)
if err != nil {
return "", err
}
err = e.InsertNodeAtPath(req.Context(), path, childnd, createfunc)
if err != nil {
return "", err
}
nnode := e.GetNode()
return nnode.Key()
}
func addLinkCaller(req cmds.Request, root *dag.Node) (key.Key, error) {
if len(req.Arguments()) < 4 {
return "", fmt.Errorf("not enough arguments for add-link")
}
nd, err := req.InvocContext().GetNode()
if err != nil {
return "", err
}
path := req.Arguments()[2]
childk := key.B58KeyDecode(req.Arguments()[3])
parts := strings.Split(path, "/")
nnode, err := insertNodeAtPath(req.Context(), nd.DAG, root, parts, childk)
if err != nil {
return "", err
}
return nnode.Key()
}
func (p *PointersDB) GetAll() ([]ipfs.Pointer, error) {
p.lock.Lock()
defer p.lock.Unlock()
stm := "select * from pointers"
rows, err := p.db.Query(stm)
if err != nil {
log.Error(err)
return nil, err
}
var ret []ipfs.Pointer
for rows.Next() {
var pointerID string
var key string
var address string
var purpose int
var timestamp int
if err := rows.Scan(&pointerID, &key, &address, &purpose, ×tamp); err != nil {
log.Error(err)
}
maAddr, err := ma.NewMultiaddr(address)
if err != nil {
return ret, err
}
pid, err := peer.IDB58Decode(pointerID)
if err != nil {
return ret, err
}
pointer := ipfs.Pointer{
Key: keys.B58KeyDecode(key),
Value: peer.PeerInfo{
ID: pid,
Addrs: []ma.Multiaddr{maAddr},
},
Purpose: ipfs.Purpose(purpose),
Timestamp: time.Unix(int64(timestamp), 0),
}
ret = append(ret, pointer)
}
return ret, nil
}
// CatBlock retuns the data stored in the block pointed to by `hash`.
// It will timeout with util.ErrTimeout if the operation takes too long,
// this includes querying for an non-existing hash.
//
// This operation works offline and online, but if the block is stored
// elsewhere on the net, node must be online to find the block.
func CatBlock(node *Node, hash gmh.Multihash, timeout time.Duration) ([]byte, error) {
nd, err := node.proc()
if err != nil {
log.Warningf("ipfs block-cat: %v", err)
return nil, err
}
ctx, cancel := context.WithTimeout(node.Context, timeout)
defer cancel()
k := key.B58KeyDecode(hash.B58String())
block, err := nd.Blocks.GetBlock(ctx, k)
if err == context.DeadlineExceeded {
return nil, util.ErrTimeout
}
if err != nil {
return nil, err
}
return block.Data(), nil
}
func addAssetList(nd *core.IpfsNode, l []string) (*key.Key, error) {
dirb := uio.NewDirectory(nd.DAG)
for _, p := range l {
d, err := Asset(p)
if err != nil {
return nil, fmt.Errorf("assets: could load Asset '%s': %s", p, err)
}
s, err := coreunix.Add(nd, bytes.NewBuffer(d))
if err != nil {
return nil, fmt.Errorf("assets: could not Add '%s': %s", p, err)
}
fname := filepath.Base(p)
k := key.B58KeyDecode(s)
if err := dirb.AddChild(nd.Context(), fname, k); err != nil {
return nil, fmt.Errorf("assets: could not add '%s' as a child: %s", fname, err)
}
}
dir := dirb.GetNode()
dkey, err := nd.DAG.Add(dir)
if err != nil {
return nil, fmt.Errorf("assets: DAG.Add(dir) failed: %s", err)
}
if err := nd.Pinning.Pin(nd.Context(), dir, true); err != nil {
return nil, fmt.Errorf("assets: Pinning on init-docu failed: %s", err)
}
if err := nd.Pinning.Flush(); err != nil {
return nil, fmt.Errorf("assets: Pinning flush failed: %s", err)
}
return &dkey, nil
}
func (i *gatewayHandler) putHandler(w http.ResponseWriter, r *http.Request) {
// TODO(cryptix): move me to ServeHTTP and pass into all handlers
ctx, cancel := context.WithCancel(i.node.Context())
defer cancel()
rootPath, err := path.ParsePath(r.URL.Path)
if err != nil {
webError(w, "putHandler: ipfs path not valid", err, http.StatusBadRequest)
return
}
rsegs := rootPath.Segments()
if rsegs[0] == ipnsPathPrefix {
webError(w, "putHandler: updating named entries not supported", errors.New("WritableGateway: ipns put not supported"), http.StatusBadRequest)
return
}
var newnode *dag.Node
if rsegs[len(rsegs)-1] == "QmUNLLsPACCz1vLxQVkXqqLX5R1X345qqfHbsf67hvA3Nn" {
newnode = uio.NewEmptyDirectory()
} else {
putNode, err := i.newDagFromReader(r.Body)
if err != nil {
webError(w, "putHandler: Could not create DAG from request", err, http.StatusInternalServerError)
return
}
newnode = putNode
}
var newPath string
if len(rsegs) > 1 {
newPath = path.Join(rsegs[2:])
}
var newkey key.Key
rnode, err := core.Resolve(ctx, i.node, rootPath)
switch ev := err.(type) {
case path.ErrNoLink:
// ev.Node < node where resolve failed
// ev.Name < new link
// but we need to patch from the root
rnode, err := i.node.DAG.Get(ctx, key.B58KeyDecode(rsegs[1]))
if err != nil {
webError(w, "putHandler: Could not create DAG from request", err, http.StatusInternalServerError)
return
}
e := dagutils.NewDagEditor(rnode, i.node.DAG)
err = e.InsertNodeAtPath(ctx, newPath, newnode, uio.NewEmptyDirectory)
if err != nil {
webError(w, "putHandler: InsertNodeAtPath failed", err, http.StatusInternalServerError)
return
}
nnode, err := e.Finalize(i.node.DAG)
if err != nil {
webError(w, "putHandler: could not get node", err, http.StatusInternalServerError)
return
}
newkey, err = nnode.Key()
if err != nil {
webError(w, "putHandler: could not get key of edited node", err, http.StatusInternalServerError)
return
}
case nil:
// object set-data case
rnode.Data = newnode.Data
newkey, err = i.node.DAG.Add(rnode)
if err != nil {
nnk, _ := newnode.Key()
rk, _ := rnode.Key()
webError(w, fmt.Sprintf("putHandler: Could not add newnode(%q) to root(%q)", nnk.B58String(), rk.B58String()), err, http.StatusInternalServerError)
return
}
default:
log.Warningf("putHandler: unhandled resolve error %T", ev)
webError(w, "could not resolve root DAG", ev, http.StatusInternalServerError)
return
}
i.addUserHeaders(w) // ok, _now_ write user's headers.
w.Header().Set("IPFS-Hash", newkey.String())
http.Redirect(w, r, gopath.Join(ipfsPathPrefix, newkey.String(), newPath), http.StatusCreated)
}
"sync"
"time"
ds "github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/ipfs/go-datastore"
context "github.com/ipfs/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
key "github.com/ipfs/go-ipfs/blocks/key"
"github.com/ipfs/go-ipfs/blocks/set"
mdag "github.com/ipfs/go-ipfs/merkledag"
logging "github.com/ipfs/go-ipfs/vendor/QmQg1J6vikuXF9oDvm4wpdeAUvvkVEKW1EYDw9HhTMnP2b/go-log"
)
var log = logging.Logger("pin")
var pinDatastoreKey = ds.NewKey("/local/pins")
var emptyKey = key.B58KeyDecode("QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n")
const (
linkDirect = "direct"
linkRecursive = "recursive"
)
type PinMode int
const (
Recursive PinMode = iota
Direct
NotPinned
)
type Pinner interface {
func TestAddGCLive(t *testing.T) {
r := &repo.Mock{
C: config.Config{
Identity: config.Identity{
PeerID: "Qmfoo", // required by offline node
},
},
D: testutil.ThreadSafeCloserMapDatastore(),
}
node, err := core.NewNode(context.Background(), &core.BuildCfg{Repo: r})
if err != nil {
t.Fatal(err)
}
errs := make(chan error)
out := make(chan interface{})
adder, err := NewAdder(context.Background(), node, out)
if err != nil {
t.Fatal(err)
}
dataa := ioutil.NopCloser(bytes.NewBufferString("testfileA"))
rfa := files.NewReaderFile("a", "a", dataa, nil)
// make two files with pipes so we can 'pause' the add for timing of the test
piper, pipew := io.Pipe()
hangfile := files.NewReaderFile("b", "b", piper, nil)
datad := ioutil.NopCloser(bytes.NewBufferString("testfileD"))
rfd := files.NewReaderFile("d", "d", datad, nil)
slf := files.NewSliceFile("files", "files", []files.File{rfa, hangfile, rfd})
addDone := make(chan struct{})
go func() {
defer close(addDone)
defer close(out)
err := adder.AddFile(slf)
if err != nil {
t.Fatal(err)
}
}()
addedHashes := make(map[string]struct{})
select {
case o := <-out:
addedHashes[o.(*AddedObject).Hash] = struct{}{}
case <-addDone:
t.Fatal("add shouldnt complete yet")
}
var gcout <-chan key.Key
gcstarted := make(chan struct{})
go func() {
defer close(gcstarted)
gcchan, err := gc.GC(context.Background(), node.Blockstore, node.Pinning)
if err != nil {
log.Error("GC ERROR:", err)
errs <- err
return
}
gcout = gcchan
}()
// gc shouldnt start until we let the add finish its current file.
pipew.Write([]byte("some data for file b"))
select {
case <-gcstarted:
t.Fatal("gc shouldnt have started yet")
case err := <-errs:
t.Fatal(err)
default:
}
time.Sleep(time.Millisecond * 100) // make sure gc gets to requesting lock
// finish write and unblock gc
pipew.Close()
// receive next object from adder
select {
case o := <-out:
addedHashes[o.(*AddedObject).Hash] = struct{}{}
case err := <-errs:
t.Fatal(err)
}
select {
case <-gcstarted:
case err := <-errs:
t.Fatal(err)
}
for k := range gcout {
if _, ok := addedHashes[k.B58String()]; ok {
t.Fatal("gc'ed a hash we just added")
}
}
var last key.Key
for a := range out {
// wait for it to finish
last = key.B58KeyDecode(a.(*AddedObject).Hash)
}
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
defer cancel()
root, err := node.DAG.Get(ctx, last)
if err != nil {
t.Fatal(err)
}
err = dag.EnumerateChildren(ctx, node.DAG, root, key.NewKeySet())
if err != nil {
t.Fatal(err)
}
}
func TestPeer(t *testing.T) {
const (
rootPath = "test"
)
jsonstr := `
{
"max_connection":12,
"file_dir":".",
"run_dir":"rundir",
"option":"option"
}
`
denied := `
QmZQJubLBGn1JUv8zx24TasR57LnyK1KjUiHWncVqrPxy7
QmU3eUhmUnZxtUJzMtq8YNVz2Q1U75fn2DEgoMXWcCNf6v
QmPhL4RCK1h241eyMBbYxPBv4iBuguPbRB2gGbGjsuXLQv
QmUt5G1QiJePEGKQvjZwcjisoUNUfmKZaATXQcDYJsoEEj
`
if err := ioutil.WriteFile("denied_peers.txt", []byte(denied), 0644); err != nil {
t.Error(err)
}
if err := ioutil.WriteFile("test.json", []byte(jsonstr), 0644); err != nil {
t.Error(err)
}
var cfg config.Config
config.Load(rootPath, ".", &cfg)
cfg.SetDefaults()
self := NewSelf(&cfg, rootPath)
m := self.ToPeer()
skeys := []string{
"QmZQJubLBGn1JUv8zx24TasR57LnyK1KjUiHWncVqrPxy7",
"QmU3eUhmUnZxtUJzMtq8YNVz2Q1U75fn2DEgoMXWcCNf6v",
"QmdrPVCaguLLJM2QnK5qdBDqYwQWQKuq4yHK8E9zX1Et8X",
"QmPhL4RCK1h241eyMBbYxPBv4iBuguPbRB2gGbGjsuXLQv",
}
k := key.B58KeyDecode(skeys[0])
p, err := FromBytes([]byte(k), self)
if err != nil {
t.Fatal(err)
}
if skeys[0] != p.String() {
t.Fatal("cannot new")
}
if m.Equals(p) {
t.Fatal("illegal equals")
}
b, err := crypto.MarshalPublicKey(self.Pubkey())
if err != nil {
t.Fatal(err)
}
p, err = FromPubkey(b, self)
if err != nil {
t.Fatal(err)
}
if self.NodeName().Pretty() != p.String() {
t.Fatal("cannot new")
}
if !m.Equals(p) {
t.Fatal("illegal equals")
}
p, err = New(skeys[0], self)
if err != nil {
t.Fatal(err)
}
if skeys[0] != p.String() {
t.Fatal("cannot new")
}
if p.IsAllowed() {
t.Fatal("illegally allowed")
}
p, err = New(skeys[2], self)
if err != nil {
t.Fatal(err)
}
if !p.IsAllowed() {
t.Fatal("illegally denied")
}
ps := FromStringSlice(skeys, self)
strs := ps.Strings()
if len(strs) != len(ps) {
t.Fatal("illegally strings")
}
for _, s := range strs {
ok := false
for _, s2 := range skeys {
if s == s2 {
ok = true
}
}
if !ok {
t.Fatal("illegally strings")
}
}
sl := ps.Slice()
ps2 := FromSlice(sl)
if !ps.Equals(ps2) {
t.Fatal("illegal slicing")
}
if len(sl) != len(skeys) {
t.Fatal("illegal slicing")
}
ps3 := FromStringSlice(skeys[1:], self)
ps4 := ps.Excludes(ps3, 0)
if len(ps4) != 1 {
t.Fatal("illegal excludes")
}
ps5 := FromStringSlice(skeys[3:], self)
ps6 := ps.Excludes(ps5, 2)
if len(ps6) != 2 {
t.Fatal("illegal excludes")
}
ps7 := FromStringSlice(skeys[1:], self)
ps8 := FromStringSlice(skeys[:2], self)
ps8.Extend(ps7)
if !ps.Equals(ps8) {
t.Fatal("illegal extends")
}
}
dht, ok := n.Routing.(*ipdht.IpfsDHT)
if !ok {
res.SetError(ErrNotDHT, cmds.ErrNormal)
return
}
numProviders := 20
outChan := make(chan interface{})
res.SetOutput((<-chan interface{})(outChan))
events := make(chan *notif.QueryEvent)
ctx := notif.RegisterForQueryEvents(req.Context(), events)
pchan := dht.FindProvidersAsync(ctx, key.B58KeyDecode(req.Arguments()[0]), numProviders)
go func() {
defer close(outChan)
for e := range events {
outChan <- e
}
}()
go func() {
defer close(events)
for p := range pchan {
np := p
notif.PublishQueryEvent(ctx, ¬if.QueryEvent{
Type: notif.Provider,
Responses: []*peer.PeerInfo{&np},
})
dht, ok := n.Routing.(*ipdht.IpfsDHT)
if !ok {
res.SetError(ErrNotDHT, cmds.ErrNormal)
return
}
numProviders := 20
outChan := make(chan interface{})
res.SetOutput((<-chan interface{})(outChan))
events := make(chan *notif.QueryEvent)
ctx := notif.RegisterForQueryEvents(req.Context(), events)
pchan := dht.FindProvidersAsync(ctx, key.B58KeyDecode(req.Arguments()[0]), numProviders)
go func() {
defer close(outChan)
for e := range events {
outChan <- e
}
}()
go func() {
defer close(events)
for p := range pchan {
np := p
notif.PublishQueryEvent(ctx, ¬if.QueryEvent{
Type: notif.Provider,
Responses: []*peer.PeerInfo{&np},
})
}
rootp, err := path.ParsePath(req.Arguments()[0])
if err != nil {
res.SetError(err, cmds.ErrNormal)
return
}
root, err := core.Resolve(req.Context(), nd, rootp)
if err != nil {
res.SetError(err, cmds.ErrNormal)
return
}
path := req.Arguments()[1]
childk := key.B58KeyDecode(req.Arguments()[2])
create, _, err := req.Option("create").Bool()
if err != nil {
res.SetError(err, cmds.ErrNormal)
return
}
var createfunc func() *dag.Node
if create {
createfunc = func() *dag.Node {
return &dag.Node{Data: ft.FolderPBData()}
}
}
e := dagutils.NewDagEditor(root, nd.DAG)
}
if !nd.OnlineMode() {
res.SetError(errNotOnline, cmds.ErrClient)
return
}
bs, ok := nd.Exchange.(*bitswap.Bitswap)
if !ok {
res.SetError(u.ErrCast(), cmds.ErrNormal)
return
}
var ks []key.Key
for _, arg := range req.Arguments() {
dec := key.B58KeyDecode(arg)
if dec == "" {
res.SetError(fmt.Errorf("incorrectly formatted key: %s", arg), cmds.ErrNormal)
return
}
ks = append(ks, dec)
}
bs.CancelWants(ks)
},
}
var showWantlistCmd = &cmds.Command{
Helptext: cmds.HelpText{
Tagline: "Show blocks currently on the wantlist",
cmds.StringArg("command", true, false, "the operation to perform"),
cmds.StringArg("args", true, true, "extra arguments").EnableStdin(),
},
Type: Object{},
Run: func(req cmds.Request, res cmds.Response) {
nd, err := req.InvocContext().GetNode()
if err != nil {
res.SetError(err, cmds.ErrNormal)
return
}
rootarg := req.Arguments()[0]
if strings.HasPrefix(rootarg, "/ipfs/") {
rootarg = rootarg[6:]
}
rhash := key.B58KeyDecode(rootarg)
if rhash == "" {
res.SetError(fmt.Errorf("incorrectly formatted root hash: %s", req.Arguments()[0]), cmds.ErrNormal)
return
}
rnode, err := nd.DAG.Get(req.Context(), rhash)
if err != nil {
res.SetError(err, cmds.ErrNormal)
return
}
action := req.Arguments()[1]
switch action {
case "add-link":
},
Options: []cmds.Option{},
Arguments: []cmds.Argument{
cmds.StringArg("root", true, false, "the hash of the node to modify"),
cmds.StringArg("command", true, false, "the operation to perform"),
cmds.StringArg("args", true, true, "extra arguments").EnableStdin(),
},
Type: Object{},
Run: func(req cmds.Request, res cmds.Response) {
nd, err := req.InvocContext().GetNode()
if err != nil {
res.SetError(err, cmds.ErrNormal)
return
}
rhash := key.B58KeyDecode(req.Arguments()[0])
if rhash == "" {
res.SetError(fmt.Errorf("incorrectly formatted root hash"), cmds.ErrNormal)
return
}
ctx, cancel := context.WithTimeout(req.Context(), time.Second*30)
rnode, err := nd.DAG.Get(ctx, rhash)
if err != nil {
res.SetError(err, cmds.ErrNormal)
cancel()
return
}
cancel()
action := req.Arguments()[1]
// Fetch pointers from the dht. They will be returned asynchronously.
func FindPointersAsync(dht *routing.IpfsDHT, ctx context.Context, mhKey multihash.Multihash, prefixLen int) <-chan peer.PeerInfo {
keyhash := createKey(mhKey, prefixLen)
peerout := dht.FindProvidersAsync(ctx, key.B58KeyDecode(keyhash.B58String()), 100000)
return peerout
}
