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This logic collects a list of known relays by testing every new connection. It exists so we can dial /p2p-circuit/p2p/QmFoobar addresses (circuit addresses that don't specify the relay). However, this kind of address is useless outside of basic demos as a random relay is practically guaranteed to not be connected to the target peer. Picking a random relay to connect to some peer is almost _never_ the desired behavior.
25 lines
627 B
Go
25 lines
627 B
Go
package libp2p
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import (
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"github.com/libp2p/go-libp2p"
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relay "github.com/libp2p/go-libp2p-circuit"
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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 := []relay.RelayOpt{}
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if enableHop {
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relayOpts = append(relayOpts, relay.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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var AutoRelay = simpleOpt(libp2p.ChainOptions(libp2p.EnableAutoRelay(), libp2p.DefaultStaticRelays()))
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