func DirectAddCat(data []byte, conf testutil.LatencyConfig) error {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
const numPeers = 2
// create network
mn, err := mocknet.FullMeshLinked(ctx, numPeers)
if err != nil {
return err
}
mn.SetLinkDefaults(mocknet.LinkOptions{
Latency: conf.NetworkLatency,
// TODO add to conf. This is tricky because we want 0 values to be functional.
Bandwidth: math.MaxInt32,
})
peers := mn.Peers()
if len(peers) < numPeers {
return errors.New("test initialization error")
}
adder, err := core.NewIPFSNode(ctx, core.ConfigOption(MocknetTestRepo(peers[0], mn.Host(peers[0]), conf, core.DHTOption)))
if err != nil {
return err
}
defer adder.Close()
catter, err := core.NewIPFSNode(ctx, core.ConfigOption(MocknetTestRepo(peers[1], mn.Host(peers[1]), conf, core.DHTOption)))
if err != nil {
return err
}
defer catter.Close()
bs1 := []peer.PeerInfo{adder.Peerstore.PeerInfo(adder.Identity)}
bs2 := []peer.PeerInfo{catter.Peerstore.PeerInfo(catter.Identity)}
if err := catter.Bootstrap(core.BootstrapConfigWithPeers(bs1)); err != nil {
return err
}
if err := adder.Bootstrap(core.BootstrapConfigWithPeers(bs2)); err != nil {
return err
}
added, err := coreunix.Add(adder, bytes.NewReader(data))
if err != nil {
return err
}
readerCatted, err := coreunix.Cat(catter, added)
if err != nil {
return err
}
// verify
bufout := new(bytes.Buffer)
io.Copy(bufout, readerCatted)
if 0 != bytes.Compare(bufout.Bytes(), data) {
return errors.New("catted data does not match added data")
}
return nil
}
func TestBitswapWithoutRouting(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
const numPeers = 4
// create network
mn, err := mocknet.FullMeshLinked(ctx, numPeers)
if err != nil {
t.Fatal(err)
}
peers := mn.Peers()
if len(peers) < numPeers {
t.Fatal(errors.New("test initialization error"))
}
// set the routing latency to infinity.
conf := testutil.LatencyConfig{RoutingLatency: (525600 * time.Minute)}
var nodes []*core.IpfsNode
for _, p := range peers {
n, err := core.NewIPFSNode(ctx, core.ConfigOption(MocknetTestRepo(p, mn.Host(p), conf, core.DHTOption)))
if err != nil {
t.Fatal(err)
}
defer n.Close()
nodes = append(nodes, n)
}
// connect them
for _, n1 := range nodes {
for _, n2 := range nodes {
if n1 == n2 {
continue
}
log.Debug("connecting to other hosts")
p2 := n2.PeerHost.Peerstore().PeerInfo(n2.PeerHost.ID())
if err := n1.PeerHost.Connect(ctx, p2); err != nil {
t.Fatal(err)
}
}
}
// add blocks to each before
log.Debug("adding block.")
block0 := blocks.NewBlock([]byte("block0"))
block1 := blocks.NewBlock([]byte("block1"))
// put 1 before
if err := nodes[0].Blockstore.Put(block0); err != nil {
t.Fatal(err)
}
// get it out.
for i, n := range nodes {
// skip first because block not in its exchange. will hang.
if i == 0 {
continue
}
log.Debugf("%d %s get block.", i, n.Identity)
b, err := n.Blocks.GetBlock(ctx, block0.Key())
if err != nil {
t.Error(err)
} else if !bytes.Equal(b.Data, block0.Data) {
t.Error("byte comparison fail")
} else {
log.Debug("got block: %s", b.Key())
}
}
// put 1 after
if err := nodes[1].Blockstore.Put(block1); err != nil {
t.Fatal(err)
}
// get it out.
for _, n := range nodes {
b, err := n.Blocks.GetBlock(ctx, block1.Key())
if err != nil {
t.Error(err)
} else if !bytes.Equal(b.Data, block1.Data) {
t.Error("byte comparison fail")
} else {
log.Debug("got block: %s", b.Key())
}
}
}