public RemotePacket Invoke()
{
var length = _socket.StrictField.Default.ReceiveFrom(_buffer.Value, out var address);
var stream = new MemoryStream(_buffer.Value, 0, length, false);
var sender = stream.ReadEnd();
if (sender == (_name.Field?.Field ?? ""))
{
return(null);
}
// 尝试打开数据到来的网络
_monitor.Field?.OpenWhere(pair => Match(pair.Value, address));
// 更新成员IP地址
_addresses.Field?.Update(sender, address);
// 解包
var packet = new RemotePacket(sender, (byte)stream.ReadByte(), stream.ReadRest());
// Console.WriteLine($"{packet} from {address}");
foreach (
var listener
in from item in _listeners
where !item.Interest.Any() || item.Interest.Contains(packet.Command)
select item
)
{
listener.Process(packet);
}
return(packet);
}
public void Process(RemotePacket remotePacket)
{
var(sender, _, payload) = remotePacket;
if (!string.IsNullOrWhiteSpace(remotePacket.Sender))
{
_addresses
.StrictField
.Update(sender, (payload[0] << 8) | payload[1]);
}
}
public void Process(RemotePacket remotePacket)
{
if (remotePacket.Payload.Length == 0 ||
remotePacket.Payload.GetString() != _name.StrictField.Field)
{
return;
}
var port = _servers.StrictField
.Default
.LocalEndpoint
.Let(it => (IPEndPoint)it)
.Port
.Let(it => new[] { (byte)(it >> 8), (byte)it });
_broadcaster.StrictField.Broadcast((byte)UdpCmd.AddressAck, port);
}
void DataReceived(byte[] data)
{
RemotePacket packet = Deserialize <RemotePacket>(data);
if (packet != null)
{
switch (packet.Action)
{
case RemoteServerAction.GetScreen:
if (packet.DataType == typeof(Bitmap) && DesktopReceived != null)
{
DesktopReceived(this, this.Deserialize <Bitmap>(packet.Data));
}
break;
}
}
}
public void Process(RemotePacket remotePacket)
{
var(name, cmd, _) = remotePacket;
if (!string.IsNullOrWhiteSpace(name)) // 非匿名则保存名字
{
if (!_group.StrictField
.Update(name, DateTime.Now, out var previous) ||
DateTime.Now - previous > _timeout)
{
_detected?.Invoke(name);
}
}
if (cmd == (byte)UdpCmd.YellAsk) // 回应询问
{
_broadcaster.Field?.Broadcast((byte)UdpCmd.YellAck);
}
}
public void Process(RemotePacket remotePacket)
{
var(sender, _, payload) = remotePacket;
var stream = new MemoryStream(payload);
var topic = stream.ReadEnd();
var type = (GraphType)stream.ReadByte();
Ports.GetOrAdd(new TopicConfig(sender, topic, type),
new Port(null))
?.Also(port => {
var rest = stream.Length - stream.Position;
var data = new NetworkDataReader(stream);
var frame = new List <Vector3>();
switch (type)
{
case GraphType.OneDimension:
switch (rest)
{
case sizeof(float):
frame.Add(new Vector3((float)((DateTime.Now - Origin).Ticks / 1E7),
data.ReadFloat(),
float.NaN));
break;
case sizeof(double):
frame.Add(new Vector3((float)((DateTime.Now - Origin).Ticks / 1E7),
(float)data.ReadDouble(),
float.NaN));
break;
}
break;
case GraphType.TwoDimension:
switch (rest)
{
case 2 * sizeof(float):
frame.Add(new Vector3(data.ReadFloat(),
data.ReadFloat(),
float.NaN));
break;
case 2 * sizeof(double):
frame.Add(new Vector3((float)data.ReadDouble(),
(float)data.ReadDouble(),
float.NaN));
break;
}
break;
case GraphType.Pose:
switch (rest)
{
case 3 * sizeof(float):
frame.Add(new Vector3(data.ReadFloat(),
data.ReadFloat(),
data.ReadFloat()));
break;
case 3 * sizeof(double):
frame.Add(new Vector3((float)data.ReadDouble(),
(float)data.ReadDouble(),
(float)data.ReadDouble()));
break;
}
break;
case GraphType.Frame:
var length = rest - 1;
switch ((FrameType)stream.ReadByte())
{
case FrameType.OneFloat:
length /= sizeof(float);
while (length-- > 0)
{
frame.Add(new Vector3((float)((DateTime.Now - Origin).Ticks / 1E7),
data.ReadFloat(),
float.NaN));
}
break;
case FrameType.OneDouble:
length /= sizeof(double);
while (length-- > 0)
{
frame.Add(new Vector3((float)((DateTime.Now - Origin).Ticks / 1E7),
(float)data.ReadDouble(),
float.NaN));
}
break;
case FrameType.TwoFloat:
length /= 2 * sizeof(float);
while (length-- > 0)
{
frame.Add(new Vector3(data.ReadFloat(),
data.ReadFloat(),
float.NaN));
}
break;
case FrameType.TwoDouble:
length /= 2 * sizeof(double);
while (length-- > 0)
{
frame.Add(new Vector3((float)data.ReadDouble(),
(float)data.ReadDouble(),
float.NaN));
}
break;
case FrameType.ThreeFloat:
length /= 3 * sizeof(float);
while (length-- > 0)
{
frame.Add(new Vector3(data.ReadFloat(),
data.ReadFloat(),
data.ReadFloat()));
}
break;
case FrameType.ThreeDouble:
length /= 3 * sizeof(double);
while (length-- > 0)
{
frame.Add(new Vector3((float)data.ReadDouble(),
(float)data.ReadDouble(),
(float)data.ReadDouble()));
}
break;
default:
throw new ArgumentOutOfRangeException();
}
break;
default:
throw new ArgumentOutOfRangeException();
}
if (type == GraphType.Frame || frame.Any())
{
port.Post(frame);
}
});
}
public void Process(RemotePacket remotePacket) => _callback(remotePacket);
