add engine ready listener

client/internal/connect.go

@@ -3,6 +3,7 @@ package internal
 import (
 	"context"
 	"fmt"
+	"runtime"
 	"strings"
 	"time"
 
@@ -43,11 +44,12 @@ func RunClientMobile(ctx context.Context, config *Config, statusRecorder *peer.S
 	return runClient(ctx, config, statusRecorder, mobileDependency)
 }
 
-func RunClientiOS(ctx context.Context, config *Config, statusRecorder *peer.Status, fileDescriptor int32, networkChangeListener listener.NetworkChangeListener, dnsManager dns.IosDnsManager, interfaceName string) error {
+func RunClientiOS(ctx context.Context, config *Config, statusRecorder *peer.Status, fileDescriptor int32, networkChangeListener listener.NetworkChangeListener, dnsManager dns.IosDnsManager, interfaceName string, engineReadyListener listener.EngineReadyListener) error {
 	mobileDependency := MobileDependency{
 		FileDescriptor:        fileDescriptor,
 		InterfaceName:         interfaceName,
 		NetworkChangeListener: networkChangeListener,
+		EngineReadyListener:   engineReadyListener,
 		DnsManager:            dnsManager,
 	}
 	return runClient(ctx, config, statusRecorder, mobileDependency)
@@ -189,6 +191,10 @@ func runClient(ctx context.Context, config *Config, statusRecorder *peer.Status,
 			return wrapErr(err)
 		}
 
+		if runtime.GOOS == "ios" {
+			mobileDependency.EngineReadyListener.Notify()
+		}
+
 		log.Print("Netbird engine started, my IP is: ", peerConfig.Address)
 		state.Set(StatusConnected)
 

client/internal/listener/engine_ready.go

@@ -0,0 +1,7 @@
+package listener
+
+// EngineReadyListener is a callback interface for mobile system
+type EngineReadyListener interface {
+	// Notify invoke when engine is ready
+	Notify()
+}

client/internal/mobile_dependency.go

@@ -12,6 +12,7 @@ type MobileDependency struct {
 	TunAdapter            iface.TunAdapter
 	IFaceDiscover         stdnet.ExternalIFaceDiscover
 	NetworkChangeListener listener.NetworkChangeListener
+	EngineReadyListener   listener.EngineReadyListener
 	HostDNSAddresses      []string
 	DnsReadyListener      dns.ReadyListener
 	DnsManager            dns.IosDnsManager

client/ios/NetBirdSDK/client.go

@@ -33,6 +33,11 @@ type CustomLogger interface {
 	Error(message string)
 }
 
+// EngineReadyListener export internal EngineReadyListener for mobile
+type EngineReadyListener interface {
+	listener.EngineReadyListener
+}
+
 func init() {
 	formatter.SetLogcatFormatter(log.StandardLogger())
 }
@@ -67,7 +72,7 @@ func NewClient(cfgFile, deviceName string, osVersion string, osName string, netw
 }
 
 // Run start the internal client. It is a blocker function
-func (c *Client) Run(fd int32, interfaceName string) error {
+func (c *Client) Run(fd int32, interfaceName string, engineReadyListener EngineReadyListener) error {
 	log.Infof("Starting NetBird client")
 	log.Debugf("Tunnel uses interface: %s", interfaceName)
 	cfg, err := internal.UpdateOrCreateConfig(internal.ConfigInput{
@@ -98,7 +103,7 @@ func (c *Client) Run(fd int32, interfaceName string) error {
 	// todo do not throw error in case of cancelled context
 	ctx = internal.CtxInitState(ctx)
 	c.onHostDnsFn = func([]string) {}
-	return internal.RunClientiOS(ctx, cfg, c.recorder, fd, c.networkChangeListener, c.dnsManager, interfaceName)
+	return internal.RunClientiOS(ctx, cfg, c.recorder, fd, c.networkChangeListener, c.dnsManager, interfaceName, engineReadyListener)
 }
 
 // Stop the internal client and free the resources