Package grace use to hot reload Description:





     func handler(w http.ResponseWriter, r *http.Request) {
     func main() {
         mux := http.NewServeMux()
         mux.HandleFunc("/hello", handler)
    	    err := grace.ListenAndServe("localhost:8080", mux)
         if err != nil {
         log.Println("Server on 8080 stopped")



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    const (
    	// PreSignal is the position to add filter before signal
    	PreSignal = iota
    	// PostSignal is the position to add filter after signal
    	// StateInit represent the application inited
    	// StateRunning represent the application is running
    	// StateShuttingDown represent the application is shutting down
    	// StateTerminate represent the application is killed


    View Source
    var (
    	// DefaultReadTimeOut is the HTTP read timeout
    	DefaultReadTimeOut time.Duration
    	// DefaultWriteTimeOut is the HTTP Write timeout
    	DefaultWriteTimeOut time.Duration
    	// DefaultMaxHeaderBytes is the Max HTTP Header size, default is 0, no limit
    	DefaultMaxHeaderBytes int
    	// DefaultTimeout is the shutdown server's timeout. default is 60s
    	DefaultTimeout = 60 * time.Second


    func ListenAndServe

    func ListenAndServe(addr string, handler http.Handler) error

      ListenAndServe refer http.ListenAndServe

      func ListenAndServeTLS

      func ListenAndServeTLS(addr string, certFile string, keyFile string, handler http.Handler) error

        ListenAndServeTLS refer http.ListenAndServeTLS


        type Server

        type Server struct {
        	SignalHooks map[int]map[os.Signal][]func()
        	Network string
        	// contains filtered or unexported fields

          Server embedded http.Server

          func NewServer

          func NewServer(addr string, handler http.Handler) (srv *Server)

            NewServer returns a new graceServer.

            func (*Server) ListenAndServe

            func (srv *Server) ListenAndServe() (err error)

              ListenAndServe listens on the TCP network address srv.Addr and then calls Serve to handle requests on incoming connections. If srv.Addr is blank, ":http" is used.

              func (*Server) ListenAndServeMutualTLS

              func (srv *Server) ListenAndServeMutualTLS(certFile, keyFile, trustFile string) (err error)

                ListenAndServeMutualTLS listens on the TCP network address srv.Addr and then calls Serve to handle requests on incoming mutual TLS connections.

                func (*Server) ListenAndServeTLS

                func (srv *Server) ListenAndServeTLS(certFile, keyFile string) (err error)

                  ListenAndServeTLS listens on the TCP network address srv.Addr and then calls Serve to handle requests on incoming TLS connections.

                  Filenames containing a certificate and matching private key for the server must be provided. If the certificate is signed by a certificate authority, the certFile should be the concatenation of the server's certificate followed by the CA's certificate.

                  If srv.Addr is blank, ":https" is used.

                  func (*Server) RegisterSignalHook

                  func (srv *Server) RegisterSignalHook(ppFlag int, sig os.Signal, f func()) (err error)

                    RegisterSignalHook registers a function to be run PreSignal or PostSignal for a given signal.

                    func (*Server) Serve

                    func (srv *Server) Serve() (err error)

                      Serve accepts incoming connections on the Listener l, creating a new service goroutine for each. The service goroutines read requests and then call srv.Handler to reply to them.

                      Source Files