feat: (for now android only!) dscp retrieval and configuration methods

android/src/main/kotlin/xyz/nuark/liblinphone_flutter/LiblinphoneFlutterPlugin.kt

@@ -242,6 +242,23 @@ class LiblinphoneFlutterPlugin : FlutterPlugin, ActivityAware, MethodCallHandler
                 result.success(linphoneBridge.getPlaybackGain())
             }
 
+            "setDscp" -> {
+                try {
+                    val sipDscp = call.argument<Int>("sipDscp")
+                    val audioDscp = call.argument<Int>("audioDscp")
+                    val videoDscp = call.argument<Int>("videoDscp")
+                    linphoneBridge.setDscp(sipDscp, audioDscp, videoDscp)
+                    result.success(true)
+                } catch (e: Exception) {
+                    Log.e(TAG, "setDscp: ${e.message}")
+                    result.error("error", e.message, e)
+                }
+            }
+
+            "getDscp" -> {
+                result.success(linphoneBridge.getDscp().toMap())
+            }
+
             else -> {
                 result.notImplemented()
             }

android/src/main/kotlin/xyz/nuark/liblinphone_flutter/LinphoneBridge.kt

@@ -393,4 +393,24 @@ class LinphoneBridge(
     fun getPlaybackGain(): Float {
         return core.getPlaybackGainDb()
     }
+
+    data class DscpValues(val sipDscp: Int, val audioDscp: Int, val videoDscp: Int) {
+        fun toMap(): Map<String, Any?> {
+            return mapOf(
+                "sipDscp" to sipDscp,
+                "audioDscp" to audioDscp,
+                "videoDscp" to videoDscp,
+            );
+        }
+    }
+
+    fun setDscp(sipDscp: Int?, audioDscp: Int?, videoDscp: Int?) {
+        sipDscp?.let { core.sipDscp = it }
+        audioDscp?.let { core.audioDscp = it }
+        videoDscp?.let { core.videoDscp = it }
+    }
+
+    fun getDscp(): DscpValues {
+        return DscpValues(core.sipDscp, core.audioDscp, core.videoDscp)
+    }
 }

lib/liblinphone_flutter.dart

@@ -2,6 +2,7 @@ import 'package:flutter/services.dart' show EventChannel;
 
 import 'liblinphone_flutter_platform_interface.dart';
 import 'models/call_type.dart';
+import 'models/dscp_values.dart';
 import 'models/registration_state.dart';
 import 'models/call_state.dart';
 
@@ -102,4 +103,14 @@ class LiblinphoneFlutter {
 
   Future<double> getPlaybackGain() async =>
       LiblinphoneFlutterPlatform.instance.getPlaybackGain();
+
+  Future<bool> setDscp(int sipDscp, int audioDscp, int videoDscp) async =>
+      LiblinphoneFlutterPlatform.instance.setDscp(
+        sipDscp,
+        audioDscp,
+        videoDscp,
+      );
+
+  Future<DscpValues> getDscp() async =>
+      LiblinphoneFlutterPlatform.instance.getDscp();
 }

lib/liblinphone_flutter_method_channel.dart

@@ -3,6 +3,7 @@ import 'package:flutter/services.dart';
 
 import 'liblinphone_flutter_platform_interface.dart';
 import 'models/call_type.dart';
+import 'models/dscp_values.dart';
 
 /// An implementation of [LiblinphoneFlutterPlatform] that uses method channels.
 class MethodChannelLiblinphoneFlutter extends LiblinphoneFlutterPlatform {
@@ -143,4 +144,22 @@ class MethodChannelLiblinphoneFlutter extends LiblinphoneFlutterPlatform {
   Future<double> getPlaybackGain() async {
     return (await methodChannel.invokeMethod<double>('getPlaybackGain'))!;
   }
+
+  @override
+  Future<bool> setDscp(int sipDscp, int audioDscp, int videoDscp) async {
+    return (await methodChannel.invokeMethod<bool>('setDscp', <String, dynamic>{
+      'sipDscp': sipDscp,
+      'audioDscp': audioDscp,
+      'videoDscp': videoDscp,
+    }))!;
+  }
+
+  @override
+  Future<DscpValues> getDscp() async {
+    final data = (await methodChannel.invokeMethod<Map<dynamic, dynamic>>(
+      'getDscp',
+    ))!;
+    final values = DscpValues.fromJson(data);
+    return values;
+  }
 }

lib/liblinphone_flutter_platform_interface.dart

@@ -2,6 +2,7 @@ import 'package:liblinphone_flutter/models/call_type.dart';
 import 'package:plugin_platform_interface/plugin_platform_interface.dart';
 
 import 'liblinphone_flutter_method_channel.dart';
+import 'models/dscp_values.dart';
 
 abstract class LiblinphoneFlutterPlatform extends PlatformInterface {
   /// Constructs a LiblinphoneFlutterPlatform.
@@ -39,7 +40,9 @@ abstract class LiblinphoneFlutterPlatform extends PlatformInterface {
     String serverIp,
     int serverPort,
   ) {
-    throw UnimplementedError('register() has not been implemented.');
+    throw UnimplementedError(
+      'register(String username, String password, String serverIp, int serverPort) has not been implemented.',
+    );
   }
 
   Future<bool> unregister() {
@@ -52,14 +55,18 @@ abstract class LiblinphoneFlutterPlatform extends PlatformInterface {
     String notificationTitle,
     String notificationMessage,
   ) {
-    throw UnimplementedError('makeCall() has not been implemented.');
+    throw UnimplementedError(
+      'makeCall(String callTo, bool isVideoEnabled, String notificationTitle, String notificationMessage) has not been implemented.',
+    );
   }
 
   Future<bool> answerCall(
     String notificationTitle,
     String notificationMessage,
   ) {
-    throw UnimplementedError('answerCall() has not been implemented.');
+    throw UnimplementedError(
+      'answerCall(String notificationTitle, String notificationMessage) has not been implemented.',
+    );
   }
 
   Future<bool> hangupCall() {
@@ -91,7 +98,7 @@ abstract class LiblinphoneFlutterPlatform extends PlatformInterface {
   }
 
   Future<bool> sendDtmf(String tone) {
-    throw UnimplementedError('sendDtmf() has not been implemented.');
+    throw UnimplementedError('sendDtmf(String tone) has not been implemented.');
   }
 
   Future<bool> stopCallService() async {
@@ -99,7 +106,9 @@ abstract class LiblinphoneFlutterPlatform extends PlatformInterface {
   }
 
   Future<bool> setMicGain(double level) async {
-    throw UnimplementedError('setMicGain() has not been implemented.');
+    throw UnimplementedError(
+      'setMicGain(double level) has not been implemented.',
+    );
   }
 
   Future<double> getMicGain() async {
@@ -107,10 +116,22 @@ abstract class LiblinphoneFlutterPlatform extends PlatformInterface {
   }
 
   Future<bool> setPlaybackGain(double level) async {
-    throw UnimplementedError('setPlaybackGain() has not been implemented.');
+    throw UnimplementedError(
+      'setPlaybackGain(double level) has not been implemented.',
+    );
   }
 
   Future<double> getPlaybackGain() async {
     throw UnimplementedError('getPlaybackGain() has not been implemented.');
   }
+
+  Future<bool> setDscp(int sipDscp, int audioDscp, int videoDscp) async {
+    throw UnimplementedError(
+      'setDscp(int sipDscp, int audioDscp, int videoDscp) has not been implemented.',
+    );
+  }
+
+  Future<DscpValues> getDscp() async {
+    throw UnimplementedError('getDscp() has not been implemented.');
+  }
 }

lib/models/dscp_values.dart

@@ -0,0 +1,10 @@
+final class DscpValues {
+  final int sipDscp;
+  final int audioDscp;
+  final int videoDscp;
+
+  const DscpValues(this.sipDscp, this.audioDscp, this.videoDscp);
+
+  factory DscpValues.fromJson(Map<dynamic, dynamic> json) =>
+      DscpValues(json["sipDscp"], json["audioDscp"], json["videoDscp"]);
+}