func main() {
config := parseCommandLine()
log := libwebsocketd.RootLogScope(config.LogLevel, log)
if config.DevConsole {
if config.StaticDir != "" {
log.Fatal("server", "Invalid parameters: --devconsole cannot be used with --staticdir. Pick one.")
os.Exit(4)
}
if config.CgiDir != "" {
log.Fatal("server", "Invalid parameters: --devconsole cannot be used with --cgidir. Pick one.")
os.Exit(4)
}
}
os.Clearenv() // it's ok to wipe it clean, we already read env variables from passenv into config
handler := libwebsocketd.NewWebsocketdServer(config.Config, log, config.MaxForks)
http.Handle(config.BasePath, handler)
if config.UsingScriptDir {
log.Info("server", "Serving from directory : %s", config.ScriptDir)
} else if config.CommandName != "" {
log.Info("server", "Serving using application : %s %s", config.CommandName, strings.Join(config.CommandArgs, " "))
}
if config.StaticDir != "" {
log.Info("server", "Serving static content from : %s", config.StaticDir)
}
if config.CgiDir != "" {
log.Info("server", "Serving CGI scripts from : %s", config.CgiDir)
}
rejects := make(chan error, 1)
for _, addrSingle := range config.Addr {
log.Info("server", "Starting WebSocket server : %s", handler.TellURL("ws", addrSingle, config.BasePath))
if config.DevConsole {
log.Info("server", "Developer console enabled : %s", handler.TellURL("http", addrSingle, "/"))
} else if config.StaticDir != "" || config.CgiDir != "" {
log.Info("server", "Serving CGI or static files : %s", handler.TellURL("http", addrSingle, "/"))
}
// ListenAndServe is blocking function. Let's run it in
// go routine, reporting result to control channel.
// Since it's blocking it'll never return non-error.
go func(addr string) {
if config.Ssl {
rejects <- http.ListenAndServeTLS(addr, config.CertFile, config.KeyFile, nil)
} else {
rejects <- http.ListenAndServe(addr, nil)
}
}(addrSingle)
}
select {
case err := <-rejects:
log.Fatal("server", "Can't start server: %s", err)
os.Exit(3)
}
}
func main() {
config := parseCommandLine()
log := libwebsocketd.RootLogScope(config.LogLevel, log)
if config.DevConsole {
if config.StaticDir != "" {
log.Fatal("server", "Invalid parameters: --devconsole cannot be used with --staticdir. Pick one.")
os.Exit(4)
}
if config.CgiDir != "" {
log.Fatal("server", "Invalid parameters: --devconsole cannot be used with --cgidir. Pick one.")
os.Exit(4)
}
}
os.Clearenv() // it's ok to wipe it clean, we already read env variables from passenv into config
handler := libwebsocketd.NewWebsocketdServer(config.Config, log, config.MaxForks)
http.Handle("/", handler)
if config.UsingScriptDir {
log.Info("server", "Serving from directory : %s", config.ScriptDir)
} else if config.CommandName != "" {
log.Info("server", "Serving using application : %s %s", config.CommandName, strings.Join(config.CommandArgs, " "))
}
if config.StaticDir != "" {
log.Info("server", "Serving static content from : %s", config.StaticDir)
}
if config.CgiDir != "" {
log.Info("server", "Serving CGI scripts from : %s", config.CgiDir)
}
rejects := make(chan error, 1)
for _, addrSingle := range config.Addr {
log.Info("server", "Starting WebSocket server : %s", handler.TellURL("ws", addrSingle, "/"))
if config.DevConsole {
log.Info("server", "Developer console enabled : %s", handler.TellURL("http", addrSingle, "/"))
} else if config.StaticDir != "" || config.CgiDir != "" {
log.Info("server", "Serving CGI or static files : %s", handler.TellURL("http", addrSingle, "/"))
}
// ListenAndServe is blocking function. Let's run it in
// go routine, reporting result to control channel.
// Since it's blocking it'll never return non-error.
go func(addr string) {
if config.Ssl {
rejects <- http.ListenAndServeTLS(addr, config.CertFile, config.KeyFile, nil)
} else {
rejects <- http.ListenAndServe(addr, nil)
}
}(addrSingle)
if config.RedirPort != 0 {
go func(addr string) {
pos := strings.IndexByte(addr, ':')
rediraddr := addr[:pos] + ":" + strconv.Itoa(config.RedirPort) // it would be silly to optimize this one
redir := &http.Server{Addr: rediraddr, Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
// redirect to same hostname as in request but different port and probably schema
uri := "https://"
if !config.Ssl {
uri = "http://"
}
uri += r.Host[:strings.IndexByte(r.Host, ':')] + addr[pos:] + "/"
http.Redirect(w, r, uri, http.StatusMovedPermanently)
})}
log.Info("server", "Starting redirect server : http://%s/", rediraddr)
rejects <- redir.ListenAndServe()
}(addrSingle)
}
}
select {
case err := <-rejects:
log.Fatal("server", "Can't start server: %s", err)
os.Exit(3)
}
}