95 lines
2.7 KiB
Go
95 lines
2.7 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package grace use to hot reload
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// Description: http://grisha.org/blog/2014/06/03/graceful-restart-in-golang/
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//
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// Usage:
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//
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// import(
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// "log"
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// "net/http"
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// "os"
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//
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// "github.com/beego/beego/v2/server/web/grace"
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// )
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//
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// func handler(w http.ResponseWriter, r *http.Request) {
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// w.Write([]byte("WORLD!"))
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// }
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//
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// func main() {
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// mux := http.NewServeMux()
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// mux.HandleFunc("/hello", handler)
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//
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// err := grace.ListenAndServe("localhost:8080", mux)
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// if err != nil {
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// log.Println(err)
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// }
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// log.Println("Server on 8080 stopped")
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// os.Exit(0)
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// }
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package grace
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import (
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"net/http"
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"time"
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"github.com/beego/beego/v2/server/web/grace"
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)
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const (
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// PreSignal is the position to add filter before signal
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PreSignal = iota
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// PostSignal is the position to add filter after signal
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PostSignal
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// StateInit represent the application inited
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StateInit
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// StateRunning represent the application is running
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StateRunning
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// StateShuttingDown represent the application is shutting down
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StateShuttingDown
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// StateTerminate represent the application is killed
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StateTerminate
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)
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var (
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// DefaultReadTimeOut is the HTTP read timeout
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DefaultReadTimeOut time.Duration
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// DefaultWriteTimeOut is the HTTP Write timeout
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DefaultWriteTimeOut time.Duration
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// DefaultMaxHeaderBytes is the Max HTTP Header size, default is 0, no limit
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DefaultMaxHeaderBytes int
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// DefaultTimeout is the shutdown server's timeout. default is 60s
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DefaultTimeout = grace.DefaultTimeout
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)
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// NewServer returns a new graceServer.
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func NewServer(addr string, handler http.Handler) (srv *Server) {
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return (*Server)(grace.NewServer(addr, handler))
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}
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// ListenAndServe refer http.ListenAndServe
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func ListenAndServe(addr string, handler http.Handler) error {
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server := NewServer(addr, handler)
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return server.ListenAndServe()
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}
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// ListenAndServeTLS refer http.ListenAndServeTLS
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func ListenAndServeTLS(addr string, certFile string, keyFile string, handler http.Handler) error {
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server := NewServer(addr, handler)
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return server.ListenAndServeTLS(certFile, keyFile)
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}
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