ice candidates gathering working, needs to get public ips

RelayClient/MainPage.xaml.cs

@@ -417,7 +417,7 @@ public partial class MainPage : ContentPage
 
         bool active = await ServerAPI.GetIsChannelActiveAsync(_currentChannelId);
 
-        SafeSendRawToWebView($"Rtc Channel {_currentChannelName} | {_currentChannelId} is active: {active}");
+        // SafeSendRawToWebView($"Rtc Channel {_currentChannelName} | {_currentChannelId} is active: {active}");
 
         return active;
     }
@@ -457,7 +457,7 @@ public partial class MainPage : ContentPage
     
     public async void WriteRtcAnswer(string json)
     {
-        SafeSendRawToWebView("WriteRtcAnswer entered with: " + json);
+        // SafeSendRawToWebView("WriteRtcAnswer entered with: " + json);
 
         try
         {
@@ -477,6 +477,23 @@ public partial class MainPage : ContentPage
         }
     }
 
+    public async void WriteIceCandidate(string json)
+    {
+        IceCandidate? candidate = JsonSerializer.Deserialize<IceCandidate>(json);
+        await ServerAPI.PostIceCandidateAsync(candidate);
+    }
+
+    public async void IceCandidateCallback(string json)
+    {
+        try
+        {
+            await hybridWebView.InvokeJavaScriptAsync("IceCandidateAdded");
+        }
+        catch (Exception ex)
+        {
+            SafeSendRawToWebView("WriteIceCandidate failed: " + ex.Message);
+        }
+    }
     public async Task AnswerCallback(RtcDescription answer)
     {
         answer.sdp = answer.sdp.Replace("\r\n", "(rn)");
@@ -486,7 +503,7 @@ public partial class MainPage : ContentPage
         }
         catch (Exception ex)
         {
-            SafeSendRawToWebView("WriteRtcAnswer failed: " + ex.Message);
+            SafeSendRawToWebView("AnswerCallback failed: " + ex.Message);
         }
     }
     

RelayClient/Resources/Raw/wwwroot/index.js

@@ -20,7 +20,6 @@ window.setUsername = function(name) {
     currentUsername = name;
     LogMessage("Username set to: " + currentUsername);
 };
-
 window.setChannelId = function(channelId) {
     currentChannelId = channelId;
     LogMessage("Channel set to: " + currentChannelId);
@@ -166,10 +165,10 @@ async function ensureLocalMedia() {
 async function joinChannelCall() {
     LogMessage("Current username: " + currentUsername);
     LogMessage("Current channel: " + currentChannelId);
-    LogMessage("Joining RTCChannel");
+    // LogMessage("Joining RTCChannel");
     let active = await window.HybridWebView.InvokeDotNet("JoinRtcChannel");
     await channelCallJoin(active);
-    LogMessage("Joined RTCChannel");
+    // LogMessage("Joined RTCChannel");
     // return;
     // try {
     //     if (!currentChannelId) {
@@ -200,28 +199,57 @@ async function ensurePeerConnection2()
     if (peerConnection) return;
     peerConnection = new RTCPeerConnection(configuration);
 
-    peerConnection.addEventListener('icegatheringstatechange', () => {
-        console.log(
-            `ICE gathering state changed: ${peerConnection.iceGatheringState}`);
-    });
-
-    peerConnection.addEventListener('connectionstatechange', () => {
+    peerConnection.onicegatheringstatechange = () => {
+        console.log(`ICE gathering state changed: ${peerConnection.iceGatheringState}`);
+    };
+    peerConnection.onconnectionstatechange = () => {
         console.log(`Connection state change: ${peerConnection.connectionState}`);
-    });
-
-    peerConnection.addEventListener('signalingstatechange', () => {
+    };
+    peerConnection.onsignalingstatechange = () => {
         console.log(`Signaling state change: ${peerConnection.signalingState}`);
-    });
+    };
+    peerConnection.oniceconnectionstatechange = () => {
+        console.log(`ICE connection state change: ${peerConnection.iceConnectionState}`); 
+    };
+    
+    peerConnection.onicecandidate = (event) => {
+        console.log(`Ice Candidate: ${JSON.stringify(event.candidate)}`);
+        LogMessage(`Ice Candidate: ${JSON.stringify(event.candidate)}`);
+    };
+    
+    peerConnection.ontrack = (event) => {
+        LogMessage("Remote track received");
 
-    peerConnection.addEventListener('iceconnectionstatechange ', () => {
-        console.log(
-            `ICE connection state change: ${peerConnection.iceConnectionState}`);
-    });
+        const remoteVideo = document.getElementById("remoteVideo");
+        const remoteVideoStatus = document.getElementById("remoteVideoStatus");
+        const remoteMediaStatus = document.getElementById("remoteMediaStatus");
+
+        const stream = event.streams[0];
+        const hasVideo = stream.getVideoTracks().length > 0;
+        const hasAudio = stream.getAudioTracks().length > 0;
+
+        if (hasVideo) {
+            remoteVideo.srcObject = stream;
+        } else {
+            remoteVideo.srcObject = null;
+        }
+
+        if (remoteVideoStatus) {
+            remoteVideoStatus.textContent = hasVideo
+                ? "Remote video: active"
+                : "Remote video: unavailable";
+        }
+
+        if (remoteMediaStatus) {
+            remoteMediaStatus.textContent = `Remote media: audio=${hasAudio} video=${hasVideo}`;
+        }
+    };
 }
 async function channelCallJoin(activeCall)
 {
-    LogMessage("Active call: " + activeCall);
+    // LogMessage("Active call: " + activeCall);
     await ensurePeerConnection2();
+    await ensureLocalMedia();
     
     if (activeCall)
     {
@@ -231,8 +259,8 @@ async function channelCallJoin(activeCall)
         const answer = await peerConnection.createAnswer();
         await peerConnection.setLocalDescription(answer);
 
-        LogMessage("Joining call with media answer: " + JSON.stringify(answer));
-        LogMessage("Calling C# WriteRtcAnswer with: " + JSON.stringify(answer));
+        // LogMessage("Joining call with media answer: " + JSON.stringify(answer));
+        // LogMessage("Calling C# WriteRtcAnswer with: " + JSON.stringify(answer));
         await window.HybridWebView.InvokeDotNet("WriteRtcAnswer", [JSON.stringify(answer)]);
         LogMessage("C# WriteRtcAnswer invoked");
         //TODO: Update offer in SurrealDB to include answer
@@ -244,33 +272,14 @@ async function channelCallJoin(activeCall)
         
         await window.HybridWebView.InvokeDotNet("WriteRtcOffer", [JSON.stringify(offer)]);
         LogMessage(`Joining call with media offer: ${JSON.stringify(offer)}`);
-        
-        localStream.getTracks().forEach(track => {
-            peerConnection.addTrack(track, localStream);
-        });
-        
-        peerConnection.addEventListener('track', event => {
-           LogMessage("Received track: " + event.streams[0]);
-            event.streams[0].getTracks().forEach(track => {
-                LogMessage(`Add a track to the remoteStream: ${track}`);
-                remoteStream.addTrack(track);
-            });
-        });
     }
 }
-
-async function CSharpCallTest(value)
-{
-    LogMessage("Called from C#: " + value);
-    // let test = JSON.parse(value);
-    // LogMessage("JSON : " + JSON.stringify(test));
-}
 async function AnswerCallbackJS(answer)
 {
     answer.sdp = answer.sdp.replaceAll("(rn)", "\r\n");
-    LogMessage("Answer: " + JSON.stringify(answer));
+    // LogMessage("Answer: " + JSON.stringify(answer));
     
-    LogMessage("RemoteDescription: " + peerConnection.currentRemoteDescription);
+    // LogMessage("RemoteDescription: " + peerConnection.currentRemoteDescription);
     
     if (!peerConnection.currentRemoteDescription && answer)
     {
@@ -279,10 +288,9 @@ async function AnswerCallbackJS(answer)
         await peerConnection.setRemoteDescription(desc);
     }
 }
-
-async function CollectIceCandidates()
+async function IceCandidateAdded(candidate)
 {
-    //TODO: collect ICE candidates
+    await peerConnection.addIceCandidate(candidate);
 }
 async function handleRtcSignal(rawJson) {
     try {