Maint: internal/vpn package for vpn loop

internal/vpn/tunnelup.go

@@ -0,0 +1,46 @@
+package vpn
+
+import (
+	"context"
+
+	"github.com/qdm12/gluetun/internal/constants"
+	"github.com/qdm12/gluetun/internal/provider"
+	"github.com/qdm12/gluetun/internal/version"
+)
+
+type tunnelUpData struct {
+	// Port forwarding
+	portForwarding bool
+	serverName     string
+	portForwarder  provider.PortForwarder
+}
+
+func (l *Loop) onTunnelUp(ctx context.Context, data tunnelUpData) {
+	vpnDestination, err := l.routing.VPNDestinationIP()
+	if err != nil {
+		l.logger.Warn(err.Error())
+	} else {
+		l.logger.Info("VPN routing IP address: " + vpnDestination.String())
+	}
+
+	if l.dnsLooper.GetSettings().Enabled {
+		_, _ = l.dnsLooper.ApplyStatus(ctx, constants.Running)
+	}
+
+	// Runs the Public IP getter job once
+	_, _ = l.publicip.ApplyStatus(ctx, constants.Running)
+	if l.versionInfo {
+		l.versionInfo = false // only get the version information once
+		message, err := version.GetMessage(ctx, l.buildInfo, l.client)
+		if err != nil {
+			l.logger.Error("cannot get version information: " + err.Error())
+		} else {
+			l.logger.Info(message)
+		}
+	}
+
+	err = l.startPortForwarding(ctx, data.portForwarding, data.portForwarder, data.serverName)
+	if err != nil {
+		l.logger.Error(err.Error())
+	}
+}