working (empty) report generation

cmd/dsnet.go

@@ -29,7 +29,7 @@ func main() {
 		dsnet.Sync()
 
 	case "report":
-		dsnet.report()
+		dsnet.Report()
 
 	case "down":
 		dsnet.Down()

report.go

@@ -1,19 +1,22 @@
 package dsnet
 
 import (
-	"net"
-
-	"github.com/vishvananda/netlink"
 	"golang.zx2c4.com/wireguard/wgctrl"
-	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 )
 
-func Up() {
+func Report() {
 	conf := MustLoadDsnetConfig()
 
-	dev, err := wgctrl.Device(conf.InterfaceName)
+	wg, err := wgctrl.New()
 	check(err)
+	defer wg.Close()
 
-	report := Report(dev, conf)
+	dev, err := wg.Device(conf.InterfaceName)
-	report.MustSave()
+
+	if err != nil {
+		ExitFail("Could not retrieve device '%s' (%v)", conf.InterfaceName, err)
+	}
+
+	report := GenerateReport(dev, conf)
+	report.MustSave(conf.ReportFile)
 }

reporttypes.go

@@ -1,6 +1,8 @@
 package dsnet
 
 import (
+	"encoding/json"
+	"io/ioutil"
 	"net"
 	"time"
 
@@ -54,13 +56,13 @@ type DsnetReport struct {
 	Peers   []PeerReport
 }
 
-func Report(*wgtypes.Device, conf *DsnetConfig) DsnetReport {
+func GenerateReport(dev *wgtypes.Device, conf *DsnetConfig) DsnetReport {
-
+	return DsnetReport{}
 }
 
-func (report *DsnetReport) MustSave() {
+func (report *DsnetReport) MustSave(filename string) {
 	_json, _ := json.MarshalIndent(report, "", "    ")
-	err := ioutil.WriteFile(CONFIG_FILE, _json, 0644)
+	err := ioutil.WriteFile(filename, _json, 0644)
 	check(err)
 }