grace

package
Version: v1.6.0 Latest Latest
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Published: Jan 17, 2016 License: Apache-2.0 Imports: 14 Imported by: 0

Documentation

Overview

Package grace use to hot reload Description: http://grisha.org/blog/2014/06/03/graceful-restart-in-golang/

Usage:

import(

  "log"
	 "net/http"
	 "os"

  "github.com/astaxie/beego/grace"

)

 func handler(w http.ResponseWriter, r *http.Request) {
	  w.Write([]byte("WORLD!"))
 }

 func main() {
     mux := http.NewServeMux()
     mux.HandleFunc("/hello", handler)

	    err := grace.ListenAndServe("localhost:8080", mux)
     if err != nil {
		   log.Println(err)
	    }
     log.Println("Server on 8080 stopped")
	     os.Exit(0)
   }

Index

Constants

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

Variables

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 Herder size, default is 0, no limit
	DefaultMaxHeaderBytes int
	// DefaultTimeout is the shutdown server's timeout. default is 60s
	DefaultTimeout = 60 * time.Second
)

Functions

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

Types

type Server added in v1.6.0

type Server struct {
	*http.Server
	GraceListener net.Listener
	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 added in v1.6.0

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) ListenAndServeTLS added in v1.6.0

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) Serve added in v1.6.0

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.

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