private void Login(UdpPacket packet, IPEndPoint clientEP)
{
if (!clientCache.ContainsKey(packet.PId))
{
clientCache.Add(packet.PId, new SafeDictionary<int, IPEndPoint>());
}
clientCache[packet.PId][packet.UserId] = clientEP;
}
private void Logoff(UdpPacket packet)
{
if (clientCache.ContainsKey(packet.PId))
{
if (clientCache[packet.PId].ContainsKey(packet.UserId))
{
clientCache[packet.PId].Remove(packet.UserId);
}
}
}
void SampleAvailableEventHandler(List<byte[]> datas)
{
if (datas != null &&datas.Count > 0)
{
UdpPacket packet = new UdpPacket(Me.Id, RoomVM.Id, UdpPacketType.Data);
foreach (var d in datas)
{
packet.Append(d);
}
AsyncBeginAudioSend(packet.ToBytes());
}
}
private void PerformBroadcasting(UdpPacket packet, byte[] packageData)
{
if (clientCache.ContainsKey(packet.UserId))
{
var receivers = clientCache[packet.PId];
if (receivers.Count > 0)
{
Parallel.ForEach(receivers, receiver =>
{
if (receiver.Key != packet.UserId)
{
AsyncBeginSend(new UdpPacketBuffer(packageData, receiver.Value));
}
});
}
}
}
public static UdpPacket FromBytes(byte[] data)
{
UdpPacket packet = new UdpPacket();
packet.PacketType = (UdpPacketType)Enum.ToObject(typeof(UdpPacketType), data[0]);
packet.UserId = BitConverter.ToInt32(data, 1);
packet.PId = BitConverter.ToInt32(data, 5);
if (data.Length > 9)
{
int position = 9;
while (position < data.Length)
{
int length = BitConverter.ToInt32(data, position);
position += 4;
byte[] d = new byte[length];
Array.Copy(data, position, d, 0, length);
position += length;
packet.Append(d);
}
}
return packet;
}
private void ConnectAudio()
{
audioClient.Connect(RoomVM.ServiceIp, ApplicationVM.LocalCache.RoomAudioServicePort);
UdpPacket packet = new UdpPacket(Me.Id, RoomVM.Id, UdpPacketType.Login);
var loginBytes = packet.ToBytes();
try
{
audioRWLock.EnterWriteLock();
while (true)
{
try
{
audioClient.Send(loginBytes, loginBytes.Length);
IPEndPoint serverEndPoint = null;
var bytes = audioClient.Receive(ref serverEndPoint);
UdpPacket p = UdpPacket.FromBytes(bytes);
if (p.PacketType == UdpPacketType.LoginSucceed)
{
break;
}
}
catch
{
continue;
}
}
}
catch { }
finally
{
audioRWLock.ExitWriteLock();
}
AsyncBeginAudioReceive();
}
private void DisconnectAudio()
{
UdpPacket packet = new UdpPacket(Me.Id, RoomVM.Id, UdpPacketType.Logoff);
var logoffBytes = packet.ToBytes();
if (audioClient != null)
{
if (audioClient.Client.Connected)
{
try
{
audioRWLock.EnterWriteLock();
while (true)
{
try
{
if (audioClient != null)
{
audioClient.Send(logoffBytes, logoffBytes.Length);
IPEndPoint serverEndPoint = null;
var bytes = audioClient.Receive(ref serverEndPoint);
UdpPacket p = UdpPacket.FromBytes(bytes);
if (p.PacketType == UdpPacketType.LogoffSuccedd)
{
break;
}
}
else
break;
}
catch
{
continue;
}
}
if(audioClient != null)
audioClient.Close();
}
catch { }
finally
{
audioClient = null;
audioRWLock.ExitWriteLock();
}
}
}
}