func (sh *StatusHandler) serveRestart(rw http.ResponseWriter, req *http.Request) {
if req.Method != "POST" {
http.Error(rw, "POST to restart", http.StatusMethodNotAllowed)
return
}
_, handlers := sh.handlerFinder.AllHandlers()
for _, h := range handlers {
ah, ok := h.(*app.Handler)
if !ok {
continue
}
log.Printf("Sending SIGINT to %s", ah.ProgramName())
err := ah.Quit()
if err != nil {
msg := fmt.Sprintf("Not restarting: couldn't interrupt app %s: %v", ah.ProgramName(), err)
log.Printf(msg)
http.Error(rw, msg, http.StatusInternalServerError)
return
}
}
log.Println("Restarting camlistored")
rw.Header().Set("Connection", "close")
http.Redirect(rw, req, sh.prefix, http.StatusFound)
if f, ok := rw.(http.Flusher); ok {
f.Flush()
}
osutil.RestartProcess()
}
func (sh *SetupHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
if !auth.LocalhostAuthorized(req) {
fmt.Fprintf(rw,
"<html><body>Setup only allowed from localhost"+
"<p><a href='/'>Back</a></p>"+
"</body></html>\n")
return
}
if req.Method == "POST" {
err := req.ParseMultipartForm(10e6)
if err != nil {
httputil.ServerError(rw, req, err)
return
}
if len(req.Form) > 0 {
handleSetupChange(rw, req)
return
}
if strings.Contains(req.URL.Path, "restartCamli") {
err = osutil.RestartProcess()
if err != nil {
log.Fatal("Failed to restart: " + err.Error())
}
}
}
sendWizard(rw, req, false)
}
func handleSetupChange(rw http.ResponseWriter, req *http.Request) {
hilevelConf, err := jsonconfig.ReadFile(osutil.UserServerConfigPath())
if err != nil {
httputil.ServeError(rw, req, err)
return
}
if !xsrftoken.Valid(req.FormValue("token"), serverKey, "user", "wizardSave") {
http.Error(rw, "Form expired. Press back and reload form.", http.StatusBadRequest)
log.Printf("invalid xsrf token=%q", req.FormValue("token"))
return
}
hasChanged := false
var el interface{}
publish := jsonconfig.Obj{}
for k, v := range req.Form {
if _, ok := hilevelConf[k]; !ok {
if k != "gallery" && k != "blog" {
continue
}
}
switch k {
case "https", "shareHandler":
b, err := strconv.ParseBool(v[0])
if err != nil {
httputil.ServeError(rw, req, fmt.Errorf("%v field expects a boolean value", k))
}
el = b
default:
el = v[0]
}
if reflect.DeepEqual(hilevelConf[k], el) {
continue
}
hasChanged = true
hilevelConf[k] = el
}
// "publish" wasn't checked yet
if !reflect.DeepEqual(hilevelConf["publish"], publish) {
hilevelConf["publish"] = publish
hasChanged = true
}
if hasChanged {
err = rewriteConfig(&hilevelConf, osutil.UserServerConfigPath())
if err != nil {
httputil.ServeError(rw, req, err)
return
}
err = osutil.RestartProcess()
if err != nil {
log.Fatal("Failed to restart: " + err.Error())
http.Error(rw, "Failed to restart process", 500)
return
}
}
sendWizard(rw, req, hasChanged)
}
func handleSignals() {
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGHUP)
for {
sig := <-c
sysSig, ok := sig.(syscall.Signal)
if !ok {
log.Fatal("Not a unix signal")
}
switch sysSig {
case syscall.SIGHUP:
log.Print("SIGHUP: restarting camli")
err := osutil.RestartProcess()
if err != nil {
log.Fatal("Failed to restart: " + err.Error())
}
default:
log.Fatal("Received another signal, should not happen.")
}
}
}
func handleSignals(shutdownc <-chan io.Closer) {
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGHUP)
signal.Notify(c, syscall.SIGINT)
for {
sig := <-c
sysSig, ok := sig.(syscall.Signal)
if !ok {
log.Fatal("Not a unix signal")
}
switch sysSig {
case syscall.SIGHUP:
log.Print("SIGHUP: restarting camli")
err := osutil.RestartProcess()
if err != nil {
log.Fatal("Failed to restart: " + err.Error())
}
case syscall.SIGINT:
log.Print("Got SIGINT: shutting down")
donec := make(chan bool)
go func() {
cl := <-shutdownc
if err := cl.Close(); err != nil {
exitf("Error shutting down: %v", err)
}
donec <- true
}()
select {
case <-donec:
log.Printf("Shut down.")
osExit(0)
case <-time.After(2 * time.Second):
exitf("Timeout shutting down. Exiting uncleanly.")
}
default:
log.Fatal("Received another signal, should not happen.")
}
}
}
