Example #1
0
func Start(pipe *xeth.XEth, config RpcConfig) error {
	if rpclistener != nil {
		if fmt.Sprintf("%s:%d", config.ListenAddress, config.ListenPort) != rpclistener.Addr().String() {
			return fmt.Errorf("RPC service already running on %s ", rpclistener.Addr().String())
		}
		return nil // RPC service already running on given host/port
	}

	l, err := newStoppableTCPListener(fmt.Sprintf("%s:%d", config.ListenAddress, config.ListenPort))
	if err != nil {
		glog.V(logger.Error).Infof("Can't listen on %s:%d: %v", config.ListenAddress, config.ListenPort, err)
		return err
	}
	rpclistener = l

	var handler http.Handler
	if len(config.CorsDomain) > 0 {
		var opts cors.Options
		opts.AllowedMethods = []string{"POST"}
		opts.AllowedOrigins = []string{config.CorsDomain}

		c := cors.New(opts)
		handler = newStoppableHandler(c.Handler(JSONRPC(pipe)), l.stop)
	} else {
		handler = newStoppableHandler(JSONRPC(pipe), l.stop)
	}

	go http.Serve(l, handler)

	return nil
}
Example #2
0
func StartHttp(cfg HttpConfig, codec codec.Codec, api shared.EthereumApi) error {
	if httpListener != nil {
		if fmt.Sprintf("%s:%d", cfg.ListenAddress, cfg.ListenPort) != httpListener.Addr().String() {
			return fmt.Errorf("RPC service already running on %s ", httpListener.Addr().String())
		}
		return nil // RPC service already running on given host/port
	}

	l, err := newStoppableTCPListener(fmt.Sprintf("%s:%d", cfg.ListenAddress, cfg.ListenPort))
	if err != nil {
		glog.V(logger.Error).Infof("Can't listen on %s:%d: %v", cfg.ListenAddress, cfg.ListenPort, err)
		return err
	}
	httpListener = l

	var handler http.Handler
	if len(cfg.CorsDomain) > 0 {
		var opts cors.Options
		opts.AllowedMethods = []string{"POST"}
		opts.AllowedOrigins = strings.Split(cfg.CorsDomain, " ")

		c := cors.New(opts)
		handler = newStoppableHandler(c.Handler(gethHttpHandler(codec, api)), l.stop)
	} else {
		handler = newStoppableHandler(gethHttpHandler(codec, api), l.stop)
	}

	go http.Serve(l, handler)

	return nil
}
Example #3
0
func (s *Server) corsHandler(h http.Handler) http.Handler {
	dirs := s.conf.GetDirectives()
	opts := cors.Options{}
	opts.AllowedOrigins = dirs.Server.CORSAccessControlAllowOrigin
	opts.AllowedMethods = dirs.Server.CORSAccessControlAllowMethods
	opts.AllowedHeaders = dirs.Server.CORSAccessControlAllowHeaders
	return cors.New(opts).Handler(h)
}