Sasha Koshka
218949bd46
It's clear it won't survive this change because I can't even test it, so who knows if its good enough to have in main.
67 lines
2.0 KiB
Go
67 lines
2.0 KiB
Go
package hopp
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import "net"
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import "errors"
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import "context"
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import "crypto/tls"
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// Dial opens a connection to a server. The network must be one of "quic",
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// "quic4", (IPv4-only) "quic6" (IPv6-only), or "unix". For now, "quic4" and
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// "quic6" don't do anything as the quic-go package doesn't seem to support this
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// behavior.
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func Dial(ctx context.Context, network, address string) (Conn, error) {
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return (Dialer { }).Dial(ctx, network, address)
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}
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// Dialer allows for further configuration of the dialing process.
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type Dialer struct {
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TLSConfig *tls.Config
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}
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// Dial opens a connection to a server. The network must be one of "quic",
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// "quic4", (IPv4-only) "quic6" (IPv6-only), or "unix". For now, "quic4" and
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// "quic6" don't do anything as the quic-go package doesn't seem to support this
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// behavior.
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func (diale Dialer) Dial(ctx context.Context, network, address string) (Conn, error) {
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switch network {
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case "quic", "quic4", "quic6": return diale.dialQUIC(ctx, network, address)
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case "unix": return diale.dialUnix(ctx, network, address)
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default: return nil, ErrUnknownNetwork
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}
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}
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func (diale Dialer) dialQUIC(ctx context.Context, network, address string) (Conn, error) {
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return nil, errors.New("quic is not yet implemented")
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}
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func (diale Dialer) dialUnix(ctx context.Context, network, address string) (Conn, error) {
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if network != "unix" { return nil, ErrUnknownNetwork }
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addr, err := net.ResolveUnixAddr(network, address)
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if err != nil { return nil, err }
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conn, err := net.DialUnix(network, nil, addr)
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if err != nil { return nil, err }
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return AdaptA(conn, ClientSide), nil
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}
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func tlsConfig(conf *tls.Config) *tls.Config {
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if conf == nil {
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conf = &tls.Config { }
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} else {
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conf = conf.Clone()
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}
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conf.NextProtos = []string {
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"HOPP/0",
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}
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return conf
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}
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func quicNetworkToUDPNetwork(network string) (string, error) {
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switch network {
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case "quic4": return "udp4", nil
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case "quic6": return "udp6", nil
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case "quic": return "udp", nil
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default: return "", ErrUnknownNetwork
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}
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}
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