57 lines
1.7 KiB
Go
57 lines
1.7 KiB
Go
package libp2p
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import (
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"fmt"
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"github.com/libp2p/go-libp2p"
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circuit "github.com/libp2p/go-libp2p-circuit"
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coredisc "github.com/libp2p/go-libp2p-core/discovery"
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routing "github.com/libp2p/go-libp2p-core/routing"
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discovery "github.com/libp2p/go-libp2p-discovery"
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basichost "github.com/libp2p/go-libp2p/p2p/host/basic"
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relay "github.com/libp2p/go-libp2p/p2p/host/relay"
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"go.uber.org/fx"
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"github.com/filecoin-project/go-lotus/node/modules/helpers"
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)
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func Relay(disable, enableHop bool) func() (opts Libp2pOpts, err error) {
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return func() (opts Libp2pOpts, err error) {
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if disable {
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// Enabled by default.
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opts.Opts = append(opts.Opts, libp2p.DisableRelay())
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} else {
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relayOpts := []circuit.RelayOpt{circuit.OptDiscovery}
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if enableHop {
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relayOpts = append(relayOpts, circuit.OptHop)
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}
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opts.Opts = append(opts.Opts, libp2p.EnableRelay(relayOpts...))
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}
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return
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}
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}
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// TODO: should be use baseRouting or can we use higher level router here?
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func Discovery(router BaseIpfsRouting) (coredisc.Discovery, error) {
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crouter, ok := router.(routing.ContentRouting)
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if !ok {
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return nil, fmt.Errorf("no suitable routing for discovery")
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}
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return discovery.NewRoutingDiscovery(crouter), nil
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}
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// NOTE: only set when relayHop is set
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func AdvertiseRelay(mctx helpers.MetricsCtx, d coredisc.Discovery) {
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relay.Advertise(mctx, d)
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}
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// NOTE: only set when relayHop is not set
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func AutoRelay(mctx helpers.MetricsCtx, lc fx.Lifecycle, router BaseIpfsRouting, h RawHost, d coredisc.Discovery) error {
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ctx := helpers.LifecycleCtx(mctx, lc)
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// TODO: review: LibP2P doesn't set this as host in config.go, why?
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_ = relay.NewAutoRelay(ctx, h.(*basichost.BasicHost), d, router)
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return nil
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}
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