bbgo_origin/pkg/server/utils.go

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2021-02-04 08:59:00 +00:00
package server
import (
"context"
"encoding/json"
"net/http"
"os/exec"
"runtime"
"time"
"github.com/sirupsen/logrus"
)
func getJSON(url string, data interface{}) error {
var client = &http.Client{Timeout: 500 * time.Millisecond}
r, err := client.Get(url)
if err != nil {
return err
}
defer r.Body.Close()
return json.NewDecoder(r.Body).Decode(data)
}
func openURL(url string) error {
cmd := exec.Command("open", url)
return cmd.Start()
}
func filterStrings(slice []string, needle string) (ns []string) {
for _, str := range slice {
if str == needle {
continue
}
ns = append(ns, str)
}
return ns
}
func openBrowser(ctx context.Context, bind string) {
if runtime.GOOS == "darwin" {
baseURL := "http://" + bind
go pingAndOpenURL(ctx, baseURL)
} else {
logrus.Warnf("%s is not supported for opening browser automatically", runtime.GOOS)
}
}
func resolveBind(a []string) string {
switch len(a) {
case 0:
return DefaultBindAddress
case 1:
return a[0]
default:
panic("too many parameters for binding")
}
return ""
}