public static uint GetChangeCount(this SyncObject syncObject)
{
using (NetworkWriterPooled writer = NetworkWriterPool.Get())
{
syncObject.OnSerializeDelta(writer);
using (NetworkReaderPooled reader = NetworkReaderPool.Get(writer.ToArraySegment()))
{
return(reader.ReadUInt());
}
}
}
static void SyncNetworkBehaviour(NetworkBehaviour source, NetworkBehaviour target, bool initialState)
{
using (NetworkWriterPooled writer = NetworkWriterPool.Get())
{
source.OnSerialize(writer, initialState);
using (NetworkReaderPooled reader = NetworkReaderPool.Get(writer.ToArraySegment()))
{
target.OnDeserialize(reader, initialState);
}
}
}
// unpack a message we received
public static T UnpackFromByteArray <T>(byte[] data)
where T : struct, NetworkMessage
{
using (NetworkReaderPooled networkReader = NetworkReaderPool.Get(data))
{
int msgType = MessagePacking.GetId <T>();
int id = networkReader.ReadUShort();
if (id != msgType)
{
throw new FormatException($"Invalid message, could not unpack {typeof(T).FullName}");
}
return(networkReader.Read <T>());
}
}
async Task ReceiveGameBroadcastAsync(UdpClient udpClient)
{
// only proceed if there is available data in network buffer, or otherwise Receive() will block
// average time for UdpClient.Available : 10 us
UdpReceiveResult udpReceiveResult = await udpClient.ReceiveAsync();
using (NetworkReaderPooled networkReader = NetworkReaderPool.Get(udpReceiveResult.Buffer))
{
if (networkReader.ReadLong() != secretHandshake)
{
return;
}
Response response = networkReader.Read <Response>();
ProcessResponse(response, udpReceiveResult.RemoteEndPoint);
}
}
public void ReadBytesCountTooBigTest()
{
// calling ReadBytes with a count bigger than what is in Reader
// should throw an exception
byte[] bytes = { 0x00, 0x01 };
using (NetworkReaderPooled reader = NetworkReaderPool.Get(bytes))
{
try
{
byte[] result = reader.ReadBytes(bytes, bytes.Length + 1);
// BAD: IF WE GOT HERE, THEN NO EXCEPTION WAS THROWN
Assert.Fail();
}
catch (EndOfStreamException)
{
// GOOD
}
}
}
async Task ReceiveRequestAsync(UdpClient udpClient)
{
// only proceed if there is available data in network buffer, or otherwise Receive() will block
// average time for UdpClient.Available : 10 us
UdpReceiveResult udpReceiveResult = await udpClient.ReceiveAsync();
using (NetworkReaderPooled networkReader = NetworkReaderPool.Get(udpReceiveResult.Buffer))
{
long handshake = networkReader.ReadLong();
if (handshake != secretHandshake)
{
// message is not for us
throw new ProtocolViolationException("Invalid handshake");
}
Request request = networkReader.Read <Request>();
ProcessClientRequest(request, udpReceiveResult.RemoteEndPoint);
}
}