try to delay ui init

This commit is contained in:
c9s 2021-02-17 19:06:20 +08:00
parent e2545050c4
commit 3c18b860bc

View File

@ -29,21 +29,23 @@ func main() {
log.Fatalln("chdir error:", err)
}
dotenvFile := ".env.local"
if _, err := os.Stat(dotenvFile) ; err == nil {
if _, err := os.Stat(dotenvFile); err == nil {
if err := godotenv.Load(dotenvFile); err != nil {
log.WithError(err).Error("error loading dotenv file")
return
}
}
var args []string
if runtime.GOOS == "linux" {
args = append(args, "--class=bbgo")
}
args = append(args, "--class=bbgo")
// args = append(args, "--enable-logging", "--v=99")
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
// here allocate a chrome window with a blank page.
ui, err := lorca.New("", "", 1024, 780, args...)
@ -54,31 +56,6 @@ func main() {
defer ui.Close()
// A simple way to know when UI is ready (uses body.onload event in JS)
ui.Bind("start", func() {
log.Println("lorca is ready")
})
// Create and bind Go object to the UI
// ui.Bind("counterAdd", c.Add)
// Load HTML.
// You may also use `data:text/html,<base64>` approach to load initial HTML,
// e.g: ui.Load("data:text/html," + url.PathEscape(html))
// TODO: load the loading page html
// find a free port for binding the server
ln, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
log.WithError(err).Error("can not bind listener")
return
}
defer ln.Close()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
configFile := "bbgo.yaml"
var setup *server.Setup
var userConfig *bbgo.Config
@ -90,7 +67,7 @@ func main() {
Cancel: cancel,
Token: "",
BeforeRestart: func() {
if err := ui.Close() ; err != nil {
if err := ui.Close(); err != nil {
log.WithError(err).Errorf("ui close error")
}
},
@ -114,46 +91,58 @@ func main() {
// we could initialize the environment from the settings
if setup == nil {
if err := cmd.BootstrapEnvironment(ctx, environ, userConfig) ; err != nil {
if err := cmd.BootstrapEnvironment(ctx, environ, userConfig); err != nil {
log.WithError(err).Error("failed to bootstrap environment")
return
}
if err := cmd.ConfigureTrader(trader, userConfig) ; err != nil {
if err := cmd.ConfigureTrader(trader, userConfig); err != nil {
log.WithError(err).Error("failed to configure trader")
return
}
// for setup mode, we don't start the trader
if err := trader.Run(ctx); err != nil {
log.WithError(err).Error("failed to start trader")
return
}
go func() {
if err := trader.Run(ctx); err != nil {
log.WithError(err).Error("failed to start trader")
}
}()
}
// find a free port for binding the server
ln, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
log.WithError(err).Error("can not bind listener")
return
}
defer ln.Close()
baseURL := "http://" + ln.Addr().String()
srv := &server.Server{
Config: userConfig,
Environ: environ,
Trader: trader,
OpenInBrowser: false,
Setup: setup,
}
go func() {
srv := &server.Server{
Config: userConfig,
Environ: environ,
Trader: trader,
OpenInBrowser: false,
Setup: setup,
}
if err := srv.RunWithListener(ctx, ln); err != nil {
log.WithError(err).Errorf("server error")
}
}()
baseURL := "http://" + ln.Addr().String()
log.Infof("pinging the server at %s", baseURL)
server.PingUntil(ctx, baseURL, func() {
log.Infof("got pong, loading base url %s to ui...", baseURL)
go server.PingUntil(ctx, baseURL, func() {
if err := ui.Load(baseURL) ; err != nil {
if err := ui.Load(baseURL); err != nil {
log.WithError(err).Error("failed to load page")
}
})
// Wait until the interrupt signal arrives or browser window is closed
sigc := make(chan os.Signal)
signal.Notify(sigc, os.Interrupt)