// ListenAndServe runs an HTTP server listening at |listeningMultiAddr| with
// the given serve options. The address must be provided in multiaddr format.
//
// TODO intelligently parse address strings in other formats so long as they
// unambiguously map to a valid multiaddr. e.g. for convenience, ":8080" should
// map to "/ip4/0.0.0.0/tcp/8080".
func ListenAndServe(n *core.IpfsNode, listeningMultiAddr string, options ...ServeOption) error {
addr, err := ma.NewMultiaddr(listeningMultiAddr)
if err != nil {
return err
}
list, err := manet.Listen(addr)
if err != nil {
return err
}
// we might have listened to /tcp/0 - lets see what we are listing on
addr = list.Multiaddr()
fmt.Printf("API server listening on %s\n", addr)
return Serve(n, list.NetListener(), options...)
}
func manetListen(addr ma.Multiaddr) (manet.Listener, error) {
network, naddr, err := manet.DialArgs(addr)
if err != nil {
return nil, err
}
if reuseportIsAvailable() {
nl, err := reuseport.Listen(network, naddr)
if err == nil {
// hey, it worked!
return manet.WrapNetListener(nl)
}
// reuseport is available, but we failed to listen. log debug, and retry normally.
log.Debugf("reuseport available, but failed to listen: %s %s, %s", network, naddr, err)
}
// either reuseport not available, or it failed. try normally.
return manet.Listen(addr)
}