Esempio n. 1
0
func (v *WSListener) Accept() (internet.Connection, error) {
	for v.acccepting {
		select {
		case connErr, open := <-v.awaitingConns:
			if !open {
				return nil, ErrClosedListener
			}
			if connErr.err != nil {
				return nil, connErr.err
			}
			return internal.NewConnection(internal.ConnectionID{}, connErr.conn.(*wsconn), v, internal.ReuseConnection(v.config.IsConnectionReuse())), nil
		case <-time.After(time.Second * 2):
		}
	}
	return nil, ErrClosedListener
}
Esempio n. 2
0
func Dial(ctx context.Context, dest v2net.Destination) (internet.Connection, error) {
	log.Info("Internet|TCP: Dailing TCP to ", dest)
	src := internet.DialerSourceFromContext(ctx)

	tcpSettings := internet.TransportSettingsFromContext(ctx).(*Config)

	id := internal.NewConnectionID(src, dest)
	var conn net.Conn
	if dest.Network == v2net.Network_TCP && tcpSettings.IsConnectionReuse() {
		conn = globalCache.Get(id)
	}
	if conn == nil {
		var err error
		conn, err = internet.DialSystem(src, dest)
		if err != nil {
			return nil, err
		}
		if securitySettings := internet.SecuritySettingsFromContext(ctx); securitySettings != nil {
			tlsConfig, ok := securitySettings.(*v2tls.Config)
			if ok {
				config := tlsConfig.GetTLSConfig()
				if dest.Address.Family().IsDomain() {
					config.ServerName = dest.Address.Domain()
				}
				conn = tls.Client(conn, config)
			}
		}
		if tcpSettings.HeaderSettings != nil {
			headerConfig, err := tcpSettings.HeaderSettings.GetInstance()
			if err != nil {
				return nil, errors.Base(err).Message("Interent|TCP: Failed to get header settings.")
			}
			auth, err := internet.CreateConnectionAuthenticator(headerConfig)
			if err != nil {
				return nil, errors.Base(err).Message("Internet|TCP: Failed to create header authenticator.")
			}
			conn = auth.Client(conn)
		}
	}
	return internal.NewConnection(id, conn, globalCache, internal.ReuseConnection(tcpSettings.IsConnectionReuse())), nil
}
Esempio n. 3
0
func Dial(ctx context.Context, dest v2net.Destination) (internet.Connection, error) {
	log.Info("WebSocket|Dialer: Creating connection to ", dest)
	src := internet.DialerSourceFromContext(ctx)
	wsSettings := internet.TransportSettingsFromContext(ctx).(*Config)

	id := internal.NewConnectionID(src, dest)
	var conn *wsconn
	if dest.Network == v2net.Network_TCP && wsSettings.IsConnectionReuse() {
		connt := globalCache.Get(id)
		if connt != nil {
			conn = connt.(*wsconn)
		}
	}
	if conn == nil {
		var err error
		conn, err = wsDial(ctx, dest)
		if err != nil {
			log.Warning("WebSocket|Dialer: Dial failed: ", err)
			return nil, err
		}
	}
	return internal.NewConnection(id, conn, globalCache, internal.ReuseConnection(wsSettings.IsConnectionReuse())), nil
}
Esempio n. 4
0
func init() {
	common.Must(internet.RegisterTransportDialer(internet.TransportProtocol_UDP,
		func(ctx context.Context, dest v2net.Destination) (internet.Connection, error) {
			src := internet.DialerSourceFromContext(ctx)
			conn, err := internet.DialSystem(src, dest)
			if err != nil {
				return nil, err
			}
			// TODO: handle dialer options
			return internal.NewConnection(internal.NewConnectionID(src, dest), conn, internal.NoOpConnectionRecyler{}, internal.ReuseConnection(false)), nil
		}))
}