Fixed incoming audio, removed nameresolution dep.

src/Discord.Net.Core/Net/Udp/IUdpSocket.cs

@@ -9,7 +9,7 @@ namespace Discord.Net.Udp
         event Func<byte[], int, int, Task> ReceivedDatagram;
 
         void SetCancelToken(CancellationToken cancelToken);
-        void SetDestination(string host, int port);
+        void SetDestination(string ip, int port);
 
         Task StartAsync();
         Task StopAsync();

src/Discord.Net.WebSocket/API/Voice/ReadyEvent.cs

@@ -7,6 +7,8 @@ namespace Discord.API.Voice
     {
         [JsonProperty("ssrc")]
         public uint SSRC { get; set; }
+        [JsonProperty("ip")]
+        public string Ip { get; set; }
         [JsonProperty("port")]
         public ushort Port { get; set; }
         [JsonProperty("modes")]

src/Discord.Net.WebSocket/Audio/AudioClient.cs

@@ -248,7 +248,7 @@ namespace Discord.Audio
 
                             _heartbeatTask = RunHeartbeatAsync(data.HeartbeatInterval, _connection.CancelToken);
                             
-                            ApiClient.SetUdpEndpoint(_url, data.Port);
+                            ApiClient.SetUdpEndpoint(data.Ip, data.Port);
                             await ApiClient.SendDiscoveryAsync(_ssrc).ConfigureAwait(false);
                         }
                         break;
@@ -302,7 +302,7 @@ namespace Discord.Audio
         }
         private async Task ProcessPacketAsync(byte[] packet)
         {
-            if (!_connection.IsCompleted)
+            if (_connection.State == ConnectionState.Connecting)
             {
                 if (packet.Length != 70)
                 {
@@ -314,7 +314,7 @@ namespace Discord.Audio
                 try
                 {
                     ip = Encoding.UTF8.GetString(packet, 4, 70 - 6).TrimEnd('\0');
-                    port = packet[69] | (packet[68] << 8);
+                    port = (packet[69] << 8) | packet[68];
                 }
                 catch (Exception ex)
                 {
@@ -325,7 +325,7 @@ namespace Discord.Audio
                 await _audioLogger.DebugAsync("Received Discovery").ConfigureAwait(false);
                 await ApiClient.SendSelectProtocol(ip, port).ConfigureAwait(false);
             }
-            else
+            else if (_connection.State == ConnectionState.Connected)
             {
                 uint ssrc;
                 ulong userId;

src/Discord.Net.WebSocket/ConnectionManager.cs

@@ -26,8 +26,6 @@ namespace Discord
         public ConnectionState State { get; private set; }
         public CancellationToken CancelToken { get; private set; }
 
-        public bool IsCompleted => _readyPromise.Task.IsCompleted;
-
         internal ConnectionManager(SemaphoreSlim stateLock, Logger logger, int connectionTimeout, 
             Func<Task> onConnecting, Func<Exception, Task> onDisconnecting, Action<Func<Exception, Task>> clientDisconnectHandler)
         {

src/Discord.Net.WebSocket/Discord.Net.WebSocket.csproj

@@ -16,7 +16,6 @@
     <PackageReference Include="System.Runtime.InteropServices" Version="4.3.0" />
   </ItemGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3' ">
-    <PackageReference Include="System.Net.NameResolution" Version="4.3.0" />
     <PackageReference Include="System.Net.Sockets" Version="4.3.0" />
     <PackageReference Include="System.Net.WebSockets.Client" Version="4.3.0" />
   </ItemGroup>

src/Discord.Net.WebSocket/DiscordVoiceApiClient.cs

@@ -228,9 +228,9 @@ namespace Discord.Audio
             await _sentDiscoveryEvent.InvokeAsync().ConfigureAwait(false);
         }
 
-        public void SetUdpEndpoint(string host, int port)
+        public void SetUdpEndpoint(string ip, int port)
         {
-            _udp.SetDestination(host, port);
+            _udp.SetDestination(ip, port);
         }
 
         //Helpers

src/Discord.Net.WebSocket/Net/DefaultUdpSocket.cs

@@ -89,10 +89,9 @@ namespace Discord.Net.Udp
             }
         }
 
-        public void SetDestination(string host, int port)
+        public void SetDestination(string ip, int port)
         {
-            var entry = Dns.GetHostEntryAsync(host).GetAwaiter().GetResult();
-            _destination = new IPEndPoint(entry.AddressList[0], port);
+            _destination = new IPEndPoint(IPAddress.Parse(ip), port);
         }
         public void SetCancelToken(CancellationToken cancelToken)
         {