kubo/core/node/libp2p/smux.go
2023-11-22 08:06:39 +03:00

37 lines
1.1 KiB
Go

package libp2p
import (
"fmt"
"os"
"github.com/ipfs/kubo/config"
"github.com/libp2p/go-libp2p"
"github.com/libp2p/go-libp2p/p2p/muxer/yamux"
)
func makeSmuxTransportOption(tptConfig config.Transports) (libp2p.Option, error) {
if prefs := os.Getenv("LIBP2P_MUX_PREFS"); prefs != "" {
return nil, fmt.Errorf("configuring muxers with LIBP2P_MUX_PREFS is no longer supported, use Swarm.Transports.Multiplexers")
}
if tptConfig.Multiplexers.Mplex != 0 {
return nil, fmt.Errorf("Swarm.Transports.Multiplexers.Mplex is no longer supported, remove it from your config, see https://github.com/libp2p/specs/issues/553")
}
if tptConfig.Multiplexers.Yamux < 0 {
return nil, fmt.Errorf("running libp2p with Swarm.Transports.Multiplexers.Yamux disabled is not supported")
}
return libp2p.Muxer(yamux.ID, yamux.DefaultTransport), nil
}
func SmuxTransport(tptConfig config.Transports) func() (opts Libp2pOpts, err error) {
return func() (opts Libp2pOpts, err error) {
res, err := makeSmuxTransportOption(tptConfig)
if err != nil {
return opts, err
}
opts.Opts = append(opts.Opts, res)
return opts, nil
}
}