byte[] Serialize <T>(NetworkPacket <T> packet, uint objectId = 0, uint senderId = 0)
{
PacketHeader header = new PacketHeader();
MemoryStream stream = new MemoryStream();
header.protocolId = 0;
header.packetType = packet.packetType;
header.Serialize(stream);
if (packet.packetType == (ushort)PacketType.User)
{
UserPacketHeader userHeader = new UserPacketHeader();
userHeader.packetType = packet.userPacketType;
userHeader.packetId = currentPacketId++;
//userHeader.senderId = ConnectionManager.Instance.clientId;
userHeader.senderId = senderId;
userHeader.objectId = objectId;
userHeader.Serialize(stream);
}
packet.Serialize(stream);
stream.Close();
return(stream.ToArray());
}
private byte[] SerializePacket <T>(NetworkPacket <T> networkPacket, uint senderId, uint objectId)
{
PacketHeader packetHeader = new PacketHeader();
MemoryStream stream = new MemoryStream();
packetHeader.packetType = networkPacket.packetType;
packetHeader.Serialize(stream);
if ((PacketType)networkPacket.packetType == PacketType.User)
{
GamePacket <T> gamePacket = networkPacket as GamePacket <T>;
UserPacketHeader userPacketHeader = new UserPacketHeader();
userPacketHeader.id = currentPacketId++;
userPacketHeader.senderId = senderId;
userPacketHeader.objectId = objectId;
userPacketHeader.packetType = gamePacket.userPacketType;
userPacketHeader.Serialize(stream);
}
networkPacket.Serialize(stream);
stream.Close();
return(stream.ToArray());
}
byte[] Serialize <T>(NetworkPacket <T> packet, uint objectId)
{
PacketHeader header = new PacketHeader();
UserPacketHeader userHeader = new UserPacketHeader();
MemoryStream stream = new MemoryStream();
header.protocolId = 0;
header.packetType = packet.packetType;
if (packet.packetType == PacketType.User)
{
userHeader.packetType = packet.userPacketType;
userHeader.senderId = NetworkManager.Instance.clientId;
userHeader.objectId = objectId;
}
header.Serialize(stream);
userHeader.Serialize(stream);
packet.Serialize(stream);
stream.Close();
return(stream.ToArray());
}
public void OnReceiveData(byte[] data, IPEndPoint iPEndPoint)
{
MemoryStream memoryStream = new MemoryStream(data);
PacketWithCrc packetWithCrc = new PacketWithCrc();
packetWithCrc.Deserialize(memoryStream);
memoryStream.Close();
if (crc32.IsDataCorrupted(packetWithCrc.data, packetWithCrc.crc))
{
UnityEngine.Debug.LogError("Received corrupted data from " + iPEndPoint);
return;
}
memoryStream = new MemoryStream(packetWithCrc.data);
PacketHeader packetHeader = new PacketHeader();
packetHeader.Deserialize(memoryStream);
if ((PacketType)packetHeader.packetTypeID == PacketType.User)
{
UserPacketHeader userPacketHeader = new UserPacketHeader();
userPacketHeader.Deserialize(memoryStream);
ReliablePacketHeader reliablePacketHeader = new ReliablePacketHeader();
reliablePacketHeader.Deserialize(memoryStream);
ProcessReliablePacketReceived(reliablePacketHeader);
InvokeCallback(userPacketHeader, memoryStream);
}
else
{
NetworkManager.Instance.OnReceivePacket(iPEndPoint, (PacketType)packetHeader.packetTypeID, memoryStream);
}
memoryStream.Close();
}
byte[] Serialize <T>(OrderedNetworkPacket <T> packet, uint objectId, uint id)
{
PacketHeader header = new PacketHeader();
UserPacketHeader userHeader = new UserPacketHeader();
MemoryStream stream = new MemoryStream();
header.protocolId = 0;
header.packetType = packet.packetType;
if (packet.packetType == PacketType.User)
{
userHeader.packetType = packet.userPacketType;
userHeader.senderId = NetworkManager.Instance.clientId;
userHeader.objectId = objectId;
}
header.Serialize(stream);
userHeader.Serialize(stream);
packet.Serialize(stream, id);// igual que Serialize normal, pero se agrega un paquete con el ID
stream.Close();
return(stream.ToArray());
}
public void Reset()
{
reliablePacketHeader = default;
userPacketHeader = default;
stream = default;
receptionCallback = default;
}
public void InvokeCallback(UserPacketHeader packetHeader, Stream stream)
{
if (onPacketReceived.ContainsKey(packetHeader.objectID))
{
onPacketReceived[packetHeader.objectID].Invoke(
packetHeader.packetID,
packetHeader.packetTypeID,
stream
);
}
}
private void DeserializePacket(byte[] data, out MemoryStream stream, out PacketHeader packetHeader, ref UserPacketHeader userPacketHeader)
{
stream = new MemoryStream(data);
packetHeader = new PacketHeader();
packetHeader.Deserialize(stream);
if ((PacketType)packetHeader.packetType == PacketType.User)
{
userPacketHeader = new UserPacketHeader();
userPacketHeader.Deserialize(stream);
}
}
public byte[] SerializePacket <T>(NetworkPacket <T> networkPacket, uint senderID = 0, uint objectID = 0,
ReliablePacketHeader reliablePacketHeader = null)
{
byte[] data = null;
PacketWrapper packetWrapper = new PacketWrapper();
MemoryStream memoryStream = new MemoryStream();
PacketHeader packetHeader = new PacketHeader();
packetHeader.ProtocolID = ProtocolID;
packetHeader.PacketTypeIndex = networkPacket.PacketTypeIndex;
packetHeader.Serialize(memoryStream);
if ((PacketType)networkPacket.PacketTypeIndex == PacketType.User)
{
UserNetworkPacket <T> userNetworkPacket = networkPacket as UserNetworkPacket <T>;
UserPacketHeader userPacketHeader = new UserPacketHeader();
userPacketHeader.UserPacketTypeIndex = userNetworkPacket.UserPacketTypeIndex;
userPacketHeader.SenderID = senderID;
userPacketHeader.ObjectID = objectID;
userPacketHeader.Reliable = (reliablePacketHeader != null);
userPacketHeader.Serialize(memoryStream);
if (reliablePacketHeader != null)
{
reliablePacketHeader.Serialize(memoryStream);
}
}
networkPacket.Serialize(memoryStream);
memoryStream.Close();
data = memoryStream.ToArray();
packetWrapper.Crc = crcCalculator.ComputeCrc32(data);
packetWrapper.PacketData = data;
memoryStream = new MemoryStream();
packetWrapper.Serialize(memoryStream);
memoryStream.Close();
data = memoryStream.ToArray();
return(data);
}
public void OnReceiveData(byte[] data, IPEndPoint ipEndpoint)
{
Debug.Log($"Receiving: " + data);
PacketHeader packetHeader = new PacketHeader();
UserPacketHeader userPacketHeader = new UserPacketHeader();
MemoryStream stream = new MemoryStream(data);
DeserializePacket(data, out stream, out packetHeader, ref userPacketHeader);
if (userPacketHeader != null)
{
InvokeCallback(userPacketHeader.objectId, userPacketHeader.packetType, userPacketHeader.senderId, stream);
}
stream.Close();
}
public void ReceiveData(byte[] data, IPEndPoint ipEndPoint)
{
MemoryStream memoryStream = null;
PacketHeader packetHeader = null;
UserPacketHeader userPacketHeader = null;
ReliablePacketHeader reliablePacketHeader = null;
if (DeserializePacket(data, out memoryStream, out packetHeader, ref userPacketHeader, ref reliablePacketHeader))
{
if (packetHeader.ProtocolID == ProtocolID)
{
if (userPacketHeader != null)
{
if (userPacketHeader.Reliable)
{
Action <ushort, uint, Stream> processCallback = GetPacketReceptionCallback(userPacketHeader.ObjectID);
PacketReliabilityManager.Instance.ProcessReceivedStream(memoryStream,
userPacketHeader,
reliablePacketHeader,
processCallback);
}
else
{
InvokeReceptionCallback(userPacketHeader.ObjectID, userPacketHeader.UserPacketTypeIndex,
userPacketHeader.SenderID, memoryStream);
}
}
else
{
systemPacketReceptionCallback?.Invoke(packetHeader.PacketTypeIndex, ipEndPoint, memoryStream);
}
if (userPacketHeader == null || !userPacketHeader.Reliable)
{
memoryStream.Close();
}
}
}
}
public void ProcessReceivedStream(Stream stream, UserPacketHeader userPacketHeader, ReliablePacketHeader reliablePacketHeader,
Action <ushort, uint, Stream> processCallback)
{
uint senderID = (UdpNetworkManager.Instance.IsServer) ? userPacketHeader.SenderID : 0;
if (reliablePacketHeader.PacketID >= nextExpectedIDs[senderID])
{
if (reliablePacketHeader.PacketID > acknowledges[senderID])
{
acknowledges[senderID] = reliablePacketHeader.PacketID;
}
receivedPacketIDs[senderID][reliablePacketHeader.PacketID % AckBitsCount] = reliablePacketHeader.PacketID;
UpdateAcknowledgeBits(senderID);
int packetIndex = reliablePacketHeader.PacketID % AckBitsCount;
packetsPendingProcess[senderID][packetIndex].reliablePacketHeader = reliablePacketHeader;
packetsPendingProcess[senderID][packetIndex].userPacketHeader = userPacketHeader;
packetsPendingProcess[senderID][packetIndex].stream = stream;
packetsPendingProcess[senderID][packetIndex].receptionCallback = processCallback;
if (reliablePacketHeader.PacketID == nextExpectedIDs[senderID])
{
while (packetsPendingProcess[senderID][packetIndex].stream != null)
{
processCallback(packetsPendingProcess[senderID][packetIndex].userPacketHeader.UserPacketTypeIndex,
packetsPendingProcess[senderID][packetIndex].userPacketHeader.SenderID,
packetsPendingProcess[senderID][packetIndex].stream);
packetsPendingProcess[senderID][packetIndex].stream.Close();
packetsPendingProcess[senderID][packetIndex].Reset();
packetIndex = (packetIndex + 1) % AckBitsCount;
nextExpectedIDs[senderID]++;
}
}
ProcessReceivedAcknowledgeInfo(reliablePacketHeader, senderID);
}
}
public void OnReceiveData(byte[] data, IPEndPoint endPoint)
{
// Debug.Log("data received" + endPoint);
PacketHeader header = new PacketHeader();
MemoryStream memoryStream = new MemoryStream(data);
header.Deserialize(memoryStream);
Debug.Log("Deserialize: " + header.type);
if (header.type == PacketType.User) // El packetype no es el correcto
{
Debug.Log("TyperHeaderAccepted");
UserPacketHeader userHeader = new UserPacketHeader();
userHeader.Deserialize(memoryStream);
ReceivingPacket.Invoke(userHeader.objectId, userHeader.userType, memoryStream);
}
else
{
ReceivingInternalPacket.Invoke(header.type, memoryStream, endPoint);
}
memoryStream.Close();
}
bool DeserializePacket(byte[] data, out MemoryStream memoryStream, out PacketHeader packetHeader,
ref UserPacketHeader userPacketHeader, ref ReliablePacketHeader reliablePacketHeader)
{
bool isFaultless;
PacketWrapper packetWrapper = new PacketWrapper();
memoryStream = new MemoryStream(data);
packetHeader = new PacketHeader();
packetWrapper.Deserialize(memoryStream);
memoryStream.Close();
isFaultless = crcCalculator.PerformCrcCheck(packetWrapper.PacketData, packetWrapper.Crc);
if (isFaultless)
{
memoryStream = new MemoryStream(packetWrapper.PacketData);
packetHeader.Deserialize(memoryStream);
if ((PacketType)packetHeader.PacketTypeIndex == PacketType.User)
{
userPacketHeader = new UserPacketHeader();
userPacketHeader.Deserialize(memoryStream);
if (userPacketHeader.Reliable)
{
reliablePacketHeader = new ReliablePacketHeader();
reliablePacketHeader.Deserialize(memoryStream);
}
}
}
return(isFaultless);
}
private byte[] Serialize(SerializablePacket packet, int objectId = 0)
{
PacketHeader header = new PacketHeader();
MemoryStream memoryStream = new MemoryStream();
header.protocolId = currentPacketId;
header.type = packet.packetType;
header.Serialize(memoryStream);
Debug.Log("Serialize: " + header.type);
if (header.type == PacketType.User)
{
UserPacketHeader userHeader = new UserPacketHeader();
userHeader.id = currentPacketId;
userHeader.clientId = NetworkManager.Instance.clientId;
userHeader.objectId = objectId;
userHeader.userType = packet.userType;
userHeader.Serialize(memoryStream);
}
packet.Serialize(memoryStream);
memoryStream.Close();
return(memoryStream.ToArray());
}
public void OnReceiveData(byte[] data, IPEndPoint ipEndpoint)
{
PacketHeader header = new PacketHeader();
MemoryStream stream = new MemoryStream(data);
header.Deserialize(stream);
if ((PacketType)header.packetType == PacketType.User)
{
UserPacketHeader userHeader = new UserPacketHeader();
userHeader.Deserialize(stream);
if (userHeader.senderId != ConnectionManager.Instance.clientId && onGamePacketReceived.ContainsKey(userHeader.objectId))
{
onGamePacketReceived[userHeader.objectId].Invoke(userHeader.packetId, userHeader.packetType, stream);
}
}
else
{
onInternalPacketReceived.Invoke(header.packetType, ipEndpoint, stream);
}
stream.Close();
}
public byte[] SerializePacket <T>(NetworkPacket <T> packetToSerialize, bool isReliable = false, uint objectID = 0)
{
MemoryStream memoryStream = new MemoryStream();
PacketHeader packetHeader = new PacketHeader();
packetHeader.packetTypeID = (uint)packetToSerialize.type;
packetHeader.Serialize(memoryStream);
if (packetToSerialize.type == PacketType.User)
{
UserPacketHeader userPacketHeader = new UserPacketHeader();
userPacketHeader.packetTypeID = packetToSerialize.userPacketTypeID;
userPacketHeader.packetID = localSequence;
userPacketHeader.senderID = NetworkManager.Instance.clientID;
userPacketHeader.objectID = objectID;
userPacketHeader.isReliable = isReliable;
userPacketHeader.Serialize(memoryStream);
ReliablePacketHeader reliablePacketHeader = new ReliablePacketHeader();
reliablePacketHeader.sequence = localSequence;
reliablePacketHeader.ack = remoteSequence;
//UnityEngine.Debug.Log("Setting up ackbits for packet Nro." + localSequence);
ackBitfields = 0;
for (int i = 0; i <= numberOfBitsInAck; i++)
{
if (sequenceNumbersReceived.Contains((uint)(remoteSequence - i)))
{
//UnityEngine.Debug.Log("Sequence number is contained: " + (int)(expectedSequence - i));
ackBitfields |= 1 << i;
}
}
//UnityEngine.Debug.Log("Ackbits to send: " + Convert.ToString(ackBitfields, 2));
reliablePacketHeader.ackBitfield = ackBitfields;
reliablePacketHeader.Serialize(memoryStream);
}
packetToSerialize.Serialize(memoryStream);
PacketWithCrc packetWithCrc = new PacketWithCrc();
packetWithCrc.crc = crc32.CalculateCrc(memoryStream.ToArray());
packetWithCrc.byteLength = memoryStream.ToArray().Length;
packetWithCrc.data = memoryStream.ToArray();
memoryStream.Close();
memoryStream = new MemoryStream();
packetWithCrc.Serialize(memoryStream);
memoryStream.Close();
if (isReliable)
{
if (!packetsPendingToBeAcked.ContainsKey(localSequence))
{
packetsPendingToBeAcked.Add(localSequence, memoryStream.ToArray());
}
}
return(memoryStream.ToArray());
}
public void OnReceiveData(byte[] data, IPEndPoint ipEndpoint)
{
PacketHeader header = new PacketHeader();//CheckSum: header para leer
MemoryStream stream = new MemoryStream(data);
BinaryReader binaryReader = new BinaryReader(stream);
int hash32 = binaryReader.ReadInt32(); //CheckSum: Se copia solamente el hash para verificar checksum
byte[] dataWithoutHash = new byte[data.Length - 4];
Array.Copy(data, 4, dataWithoutHash, 0, data.Length - 4);
if (testCheckSum)
{
if (UnityEngine.Random.Range(0f, 100f) < 1f)
{
for (int i = 0; i < dataWithoutHash.Length; i++)//CheckSum: trucheo la copia local para que de mal y salte checksum
{
if (dataWithoutHash[i] != 0)
{
dataWithoutHash[i] = 0;
}
}
}
}
int ourHash;
using (MD5 md5Hash = MD5.Create())
{
byte[] hash = md5Hash.ComputeHash(dataWithoutHash);
MemoryStream hashStream = new MemoryStream(hash);
BinaryReader hashReader = new BinaryReader(hashStream);
ourHash = hashReader.ReadInt32();
hashStream.Close(); //CheckSum: creo un hash igual y tienen que ser iguales para saber que el paquete no esta corrupto
}
if (hash32 == ourHash)//CheckSum: verifica si son iguales
{
bool reliability = binaryReader.ReadBoolean();
if (reliability)
{
if (testReliable)
{
if (Input.GetKey(KeyCode.A))
{
stream.Close();
return;
}
}
uint packageAcknowledge = binaryReader.ReadUInt32();//Si es reliability lee el ack del paquete
//este es el que recibo del otro
if (ConnectionManager.Instance.isServer)
{
Client client = ConnectionManager.Instance.clients[ConnectionManager.Instance.ipToId[ipEndpoint]];
client.acknowledgeChecker.RegisterPackageReceived(packageAcknowledge);
}
else
{
ConnectionManager.Instance.client.acknowledgeChecker.RegisterPackageReceived(packageAcknowledge);
}
bool hasAcknowledge = binaryReader.ReadBoolean();// el bool que verifica si habia ack
if (hasAcknowledge)
{
uint lastAcknowledge = binaryReader.ReadUInt32(); // el ultimo que llego siendo confirmado
uint prevAcknowledgeArray = binaryReader.ReadUInt32(); // el resto del array para verificar posicion en el mismo
if (ConnectionManager.Instance.isServer)
{
Client client = ConnectionManager.Instance.clients[ConnectionManager.Instance.ipToId[ipEndpoint]];
client.acknowledgeChecker.RegisterPackageReceived(packageAcknowledge);
client.acknowledgeChecker.ClearPackets(lastAcknowledge, prevAcknowledgeArray);// limpio los que ya llegaron para que los deje de spamear
}
else
{
ConnectionManager.Instance.client.acknowledgeChecker.RegisterPackageReceived(packageAcknowledge);
ConnectionManager.Instance.client.acknowledgeChecker.ClearPackets(lastAcknowledge, prevAcknowledgeArray);
}
}
}
header.Deserialize(stream);
if (header.packetType == PacketType.User)
{
while (stream.Length - stream.Position > 0)
{
UserPacketHeader userHeader = new UserPacketHeader();
userHeader.Deserialize(stream);
InvokeCallback(userHeader.objectId, userHeader.packetType, stream);
}
}
else
{
ConnectionManager.Instance.OnReceivePacket(ipEndpoint, header.packetType, stream);
}
}
stream.Close();
}
public void OnReceiveData(byte[] data, IPEndPoint ipEndpoint)
{
PacketHeader header = new PacketHeader();
MemoryStream stream = new MemoryStream(data);
BinaryReader binaryReader = new BinaryReader(stream);
int hash32 = binaryReader.ReadInt32();
byte[] dataWithoutHash = new byte[data.Length - 4];
Array.Copy(data, 4, dataWithoutHash, 0, data.Length - 4);
#if DEBUG_CHECKSUM
if (UnityEngine.Random.Range(0f, 100f) < 0.5f)
{
if (dataWithoutHash[0] != 0)
{
dataWithoutHash[0] = 0;
}
else
{
dataWithoutHash[0] = 1;
}
}
#endif
int ourHash;
using (MD5 md5Hash = MD5.Create()) {
byte[] hash = md5Hash.ComputeHash(dataWithoutHash);
MemoryStream hashStream = new MemoryStream(hash);
BinaryReader hashReader = new BinaryReader(hashStream);
ourHash = hashReader.ReadInt32();
hashStream.Close();
}
if (hash32 == ourHash)
{
bool reliability = binaryReader.ReadBoolean();
if (reliability)
{
#if DEBUG_RELIABLE
if (UnityEngine.Random.Range(0f, 100f) < 0.6f)
{
// if (Input.GetKey(KeyCode.A)) {
stream.Close();
return;
}
#endif
uint packageAck = binaryReader.ReadUInt32();
if (ConnectionManager.Instance.isServer)
{
Client client = ConnectionManager.Instance.clients[ConnectionManager.Instance.ipToId[ipEndpoint]];
client.ackChecker.RegisterPackageReceived(packageAck);
}
else
{
ConnectionManager.Instance.OwnClient.ackChecker.RegisterPackageReceived(packageAck);
}
bool hasAck = binaryReader.ReadBoolean();
if (hasAck)
{
uint lastAck = binaryReader.ReadUInt32();
uint prevAckArray = binaryReader.ReadUInt32();
if (ConnectionManager.Instance.isServer)
{
Client client = ConnectionManager.Instance.clients[ConnectionManager.Instance.ipToId[ipEndpoint]];
client.ackChecker.ClearPackets(lastAck, prevAckArray);
}
else
{
ConnectionManager.Instance.OwnClient.ackChecker.ClearPackets(lastAck, prevAckArray);
}
}
}
header.Deserialize(stream);
if (header.packetType == PacketType.User)
{
while (stream.Length - stream.Position > 0)
{
UserPacketHeader userHeader = new UserPacketHeader();
userHeader.Deserialize(stream);
InvokeCallback(userHeader.objectId, userHeader.packetType, stream);
}
}
else
{
ConnectionManager.Instance.OnReceivePacket(ipEndpoint, header.packetType, stream);
}
}
else
{
Debug.LogWarning("PACKAGE CORRUPTED");
}
stream.Close();
}
