Commit 04290dfc authored by astaxie's avatar astaxie

beego: delete hotupdate

parent 3f2a712b
......@@ -107,7 +107,6 @@ func listConf(rw http.ResponseWriter, r *http.Request) {
fmt.Fprintln(rw, "MaxMemory:", MaxMemory)
fmt.Fprintln(rw, "EnableGzip:", EnableGzip)
fmt.Fprintln(rw, "DirectoryIndex:", DirectoryIndex)
fmt.Fprintln(rw, "EnableHotUpdate:", EnableHotUpdate)
fmt.Fprintln(rw, "HttpServerTimeOut:", HttpServerTimeOut)
fmt.Fprintln(rw, "ErrorsShow:", ErrorsShow)
fmt.Fprintln(rw, "XSRFKEY:", XSRFKEY)
......
......@@ -45,7 +45,7 @@ func (app *App) Run() {
err error
l net.Listener
)
endRunning := make(chan bool)
endRunning := make(chan bool, 1)
if UseFcgi {
if HttpPort == 0 {
......@@ -57,26 +57,6 @@ func (app *App) Run() {
BeeLogger.Critical("Listen: ", err)
}
err = fcgi.Serve(l, app.Handlers)
} else {
if EnableHotUpdate {
server := &http.Server{
Handler: app.Handlers,
ReadTimeout: time.Duration(HttpServerTimeOut) * time.Second,
WriteTimeout: time.Duration(HttpServerTimeOut) * time.Second,
}
laddr, err := net.ResolveTCPAddr("tcp", addr)
if nil != err {
BeeLogger.Critical("ResolveTCPAddr:", err)
}
l, err = GetInitListener(laddr)
if err == nil {
theStoppable = newStoppable(l)
err = server.Serve(theStoppable)
if err == nil {
theStoppable.wg.Wait()
err = CloseSelf()
}
}
} else {
s := &http.Server{
Addr: addr,
......@@ -109,7 +89,6 @@ func (app *App) Run() {
}()
}
}
}
<-endRunning
}
......
......@@ -56,7 +56,6 @@ var (
MaxMemory int64
EnableGzip bool // flag of enable gzip
DirectoryIndex bool // flag of display directory index. default is false.
EnableHotUpdate bool // flag of hot update checking by app self. default is false.
HttpServerTimeOut int64
ErrorsShow bool // flag of show errors in page. if true, show error and trace info in page rendered with error template.
XSRFKEY string // xsrf hash salt string.
......@@ -101,6 +100,7 @@ func init() {
// set this to 0.0.0.0 to make this app available to externally
EnableHttpListen = true //default enable http Listen
HttpAddr = ""
HttpPort = 8080
......@@ -254,10 +254,6 @@ func ParseConfig() (err error) {
DirectoryIndex = directoryindex
}
if hotupdate, err := AppConfig.Bool("HotUpdate"); err == nil {
EnableHotUpdate = hotupdate
}
if timeout, err := AppConfig.Int64("HttpServerTimeOut"); err == nil {
HttpServerTimeOut = timeout
}
......
// Beego (http://beego.me/)
// @description beego is an open-source, high-performance web framework for the Go programming language.
// @link http://github.com/astaxie/beego for the canonical source repository
// @license http://github.com/astaxie/beego/blob/master/LICENSE
// @authors astaxie
package beego
import (
"errors"
"fmt"
"log"
"net"
"os"
"os/exec"
"os/signal"
"reflect"
"strconv"
"sync"
//"syscall"
)
const (
// An environment variable when restarting application http listener.
FDKey = "BEEGO_HOT_FD"
)
// Export an error equivalent to net.errClosing for use with Accept during
// a graceful exit.
var ErrClosing = errors.New("use of closed network connection")
var ErrInitStart = errors.New("init from")
// Allows for us to notice when the connection is closed.
type conn struct {
net.Conn
wg *sync.WaitGroup
isclose bool
lock *sync.Mutex
}
// Close current processing connection.
func (c conn) Close() error {
c.lock.Lock()
defer c.lock.Unlock()
err := c.Conn.Close()
if !c.isclose && err == nil {
c.wg.Done()
c.isclose = true
}
return err
}
type stoppableListener struct {
net.Listener
count int64
stopped bool
wg sync.WaitGroup
}
var theStoppable *stoppableListener
func newStoppable(l net.Listener) (sl *stoppableListener) {
sl = &stoppableListener{Listener: l}
// this goroutine monitors the channel. Can't do this in
// Accept (below) because once it enters sl.Listener.Accept()
// it blocks. We unblock it by closing the fd it is trying to
// accept(2) on.
go func() {
WaitSignal(l)
sl.stopped = true
sl.Listener.Close()
}()
return
}
// Set stopped Listener to accept requests again.
// it returns the accepted and closable connection or error.
func (sl *stoppableListener) Accept() (c net.Conn, err error) {
c, err = sl.Listener.Accept()
if err != nil {
return
}
sl.wg.Add(1)
// Wrap the returned connection, so that we can observe when
// it is closed.
c = conn{Conn: c, wg: &sl.wg}
return
}
// Listener waits signal to kill or interrupt then restart.
func WaitSignal(l net.Listener) error {
ch := make(chan os.Signal, 1)
signal.Notify(ch, os.Interrupt, os.Kill)
for {
sig := <-ch
log.Println(sig.String())
switch sig {
case os.Kill:
return nil
case os.Interrupt:
err := Restart(l)
if nil != err {
return err
}
return nil
}
}
}
// Kill current running os process.
func CloseSelf() error {
ppid := os.Getpid()
if ppid == 1 { // init provided sockets, for example systemd
return nil
}
p, err := os.FindProcess(ppid)
if err != nil {
return err
}
return p.Kill()
}
// Re-exec this image without dropping the listener passed to this function.
func Restart(l net.Listener) error {
argv0, err := exec.LookPath(os.Args[0])
if nil != err {
return err
}
wd, err := os.Getwd()
if nil != err {
return err
}
v := reflect.ValueOf(l).Elem().FieldByName("fd").Elem()
fd := uintptr(v.FieldByName("sysfd").Int())
allFiles := append([]*os.File{os.Stdin, os.Stdout, os.Stderr},
os.NewFile(fd, string(v.FieldByName("sysfile").String())))
p, err := os.StartProcess(argv0, os.Args, &os.ProcAttr{
Dir: wd,
Env: append(os.Environ(), fmt.Sprintf("%s=%d", FDKey, fd)),
Files: allFiles,
})
if nil != err {
return err
}
log.Printf("spawned child %d\n", p.Pid)
return nil
}
// Get current net.Listen in running process.
func GetInitListener(tcpaddr *net.TCPAddr) (l net.Listener, err error) {
countStr := os.Getenv(FDKey)
if countStr == "" {
return net.ListenTCP("tcp", tcpaddr)
}
count, err := strconv.Atoi(countStr)
if err != nil {
return nil, err
}
f := os.NewFile(uintptr(count), "listen socket")
l, err = net.FileListener(f)
if err != nil {
return nil, err
}
return l, nil
}
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