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
}
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
}
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)
}