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feat(gateway): expose /routing/v1 server (opt-in) (#9877)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| package corehttp | ||
|
|
||
| import ( | ||
| "context" | ||
| "net" | ||
| "net/http" | ||
| "time" | ||
|
|
||
| "github.com/ipfs/boxo/ipns" | ||
| "github.com/ipfs/boxo/routing/http/server" | ||
| "github.com/ipfs/boxo/routing/http/types" | ||
| "github.com/ipfs/boxo/routing/http/types/iter" | ||
| cid "github.com/ipfs/go-cid" | ||
| core "github.com/ipfs/kubo/core" | ||
| "github.com/libp2p/go-libp2p/core/peer" | ||
| "github.com/libp2p/go-libp2p/core/routing" | ||
| ) | ||
|
|
||
| func RoutingOption() ServeOption { | ||
| return func(n *core.IpfsNode, _ net.Listener, mux *http.ServeMux) (*http.ServeMux, error) { | ||
| handler := server.Handler(&contentRouter{n}) | ||
| mux.Handle("/routing/v1/", handler) | ||
| return mux, nil | ||
| } | ||
| } | ||
|
|
||
| type contentRouter struct { | ||
| n *core.IpfsNode | ||
| } | ||
|
|
||
| func (r *contentRouter) FindProviders(ctx context.Context, key cid.Cid, limit int) (iter.ResultIter[types.Record], error) { | ||
| ctx, cancel := context.WithCancel(ctx) | ||
| ch := r.n.Routing.FindProvidersAsync(ctx, key, limit) | ||
| return iter.ToResultIter[types.Record](&peerChanIter{ | ||
| ch: ch, | ||
| cancel: cancel, | ||
| }), nil | ||
| } | ||
|
|
||
| // nolint deprecated | ||
| func (r *contentRouter) ProvideBitswap(ctx context.Context, req *server.BitswapWriteProvideRequest) (time.Duration, error) { | ||
| return 0, routing.ErrNotSupported | ||
| } | ||
|
|
||
| func (r *contentRouter) FindPeers(ctx context.Context, pid peer.ID, limit int) (iter.ResultIter[types.Record], error) { | ||
| ctx, cancel := context.WithCancel(ctx) | ||
| defer cancel() | ||
|
|
||
| addr, err := r.n.Routing.FindPeer(ctx, pid) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| rec := &types.PeerRecord{ | ||
| Schema: types.SchemaPeer, | ||
| ID: &addr.ID, | ||
| } | ||
|
|
||
| for _, addr := range addr.Addrs { | ||
| rec.Addrs = append(rec.Addrs, types.Multiaddr{Multiaddr: addr}) | ||
| } | ||
|
|
||
| return iter.ToResultIter[types.Record](iter.FromSlice[types.Record]([]types.Record{rec})), nil | ||
| } | ||
|
|
||
| func (r *contentRouter) GetIPNS(ctx context.Context, name ipns.Name) (*ipns.Record, error) { | ||
| ctx, cancel := context.WithCancel(ctx) | ||
| defer cancel() | ||
|
|
||
| raw, err := r.n.Routing.GetValue(ctx, string(name.RoutingKey())) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return ipns.UnmarshalRecord(raw) | ||
| } | ||
|
|
||
| func (r *contentRouter) PutIPNS(ctx context.Context, name ipns.Name, record *ipns.Record) error { | ||
| ctx, cancel := context.WithCancel(ctx) | ||
| defer cancel() | ||
|
|
||
| raw, err := ipns.MarshalRecord(record) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // The caller guarantees that name matches the record. This is double checked | ||
| // by the internals of PutValue. | ||
| return r.n.Routing.PutValue(ctx, string(name.RoutingKey()), raw) | ||
| } | ||
|
|
||
| type peerChanIter struct { | ||
| ch <-chan peer.AddrInfo | ||
| cancel context.CancelFunc | ||
| next *peer.AddrInfo | ||
| } | ||
|
|
||
| func (it *peerChanIter) Next() bool { | ||
| addr, ok := <-it.ch | ||
| if ok { | ||
| it.next = &addr | ||
| return true | ||
| } else { | ||
| it.next = nil | ||
| return false | ||
| } | ||
| } | ||
|
|
||
| func (it *peerChanIter) Val() types.Record { | ||
| if it.next == nil { | ||
| return nil | ||
| } | ||
|
|
||
| rec := &types.PeerRecord{ | ||
| Schema: types.SchemaPeer, | ||
| ID: &it.next.ID, | ||
| } | ||
|
|
||
| for _, addr := range it.next.Addrs { | ||
| rec.Addrs = append(rec.Addrs, types.Multiaddr{Multiaddr: addr}) | ||
| } | ||
|
|
||
| return rec | ||
| } | ||
|
|
||
| func (it *peerChanIter) Close() error { | ||
| it.cancel() | ||
| return nil | ||
| } |
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