internal void Update()
{
// should we still process a connected event?
if (connectedEventPending)
{
connectedEventPending = false;
NetworkClient.OnConnectedEvent?.Invoke(this);
}
// process internal messages so they are applied at the correct time
while (queue.Count > 0)
{
// call receive on queued writer's content, return to pool
PooledNetworkWriter writer = queue.Dequeue();
ArraySegment <byte> segment = writer.ToArraySegment();
//Debug.Log("Dequeue " + BitConverter.ToString(segment.Array, segment.Offset, segment.Count));
TransportReceive(segment, Channels.DefaultReliable);
NetworkWriterPool.Recycle(writer);
}
// should we still process a disconnected event?
if (disconnectedEventPending)
{
disconnectedEventPending = false;
NetworkClient.OnDisconnectedEvent?.Invoke(this);
}
}
// batch as many messages as possible into writer
// returns true if any batch was made.
public bool MakeNextBatch(NetworkWriter writer)
{
// if we have no messages then there's nothing to do
if (messages.Count == 0)
{
return(false);
}
// make sure the writer is fresh to avoid uncertain situations
if (writer.Position != 0)
{
throw new ArgumentException($"MakeNextBatch needs a fresh writer!");
}
// do start no matter what
do
{
// add next message no matter what. even if > threshold.
// (we do allow > threshold sized messages as single batch)
PooledNetworkWriter message = messages.Dequeue();
ArraySegment <byte> segment = message.ToArraySegment();
writer.WriteBytes(segment.Array, segment.Offset, segment.Count);
// return the writer to pool
NetworkWriterPool.Recycle(message);
}
// keep going as long as we have more messages,
// AND the next one would fit into threshold.
while (messages.Count > 0 &&
writer.Position + messages.Peek().Position <= threshold);
// we had messages, so a batch was made
return(true);
}
void Update()
{
// if server then always sync to others.
if (isServer)
{
// just use OnSerialize via SetDirtyBit only sync when position
// changed. set dirty bits 0 or 1
SetDirtyBit(HasEitherMovedRotatedScaled() ? 1UL : 0UL);
}
// no 'else if' since host mode would be both
if (isClient)
{
// send to server if we have local authority (and aren't the server)
// -> only if connectionToServer has been initialized yet too
if (!isServer && hasAuthority)
{
// check only each 'syncInterval'
if (Time.time - lastClientSendTime >= syncInterval)
{
if (HasEitherMovedRotatedScaled())
{
// serialize
// local position/rotation for VR support
NetworkWriter writer = NetworkWriterPool.GetWriter();
SerializeIntoWriter(writer, targetComponent.transform.localPosition, targetComponent.transform.localRotation, compressRotation, targetComponent.transform.localScale);
// send to server
CmdClientToServerSync(writer.ToArraySegment());
NetworkWriterPool.Recycle(writer);
}
lastClientSendTime = Time.time;
}
}
// apply interpolation on client for all players
// unless this client has authority over the object. could be
// himself or another object that he was assigned authority over
if (!hasAuthority)
{
// received one yet? (initialized?)
if (goal != null)
{
// teleport or interpolate
if (NeedsTeleport())
{
// local position/rotation for VR support
ApplyPositionRotationScale(goal.localPosition, goal.localRotation, goal.localScale);
}
else
{
// local position/rotation for VR support
ApplyPositionRotationScale(InterpolatePosition(start, goal, targetComponent.transform.localPosition),
InterpolateRotation(start, goal, targetComponent.transform.localRotation),
InterpolateScale(start, goal, targetComponent.transform.localScale));
}
}
}
}
}
public virtual bool ClientSend(int channelId, NetworkWriter data)
{
bool result = ClientSend(channelId, data.ToArray());
NetworkWriterPool.Recycle(data);
return(result);
}
public virtual bool ServerSend(int connectionId, int channelId, NetworkWriter data)
{
bool result = ServerSend(connectionId, channelId, data.ToArray());
NetworkWriterPool.Recycle(data);
return(result);
}
public static bool SendToReady <T>(NetworkIdentity identity, T msg, int channelId = Channels.DefaultReliable) where T : IMessageBase
{
if (LogFilter.Debug)
{
Debug.Log("Server.SendToReady msgType:" + typeof(T));
}
if (identity != null && identity.observers != null)
{
// pack message into byte[] once
NetworkWriter bytes = MessagePacker.PackWriter(msg);
bytes.recycleCount = 1;
bool result = true;
foreach (KeyValuePair <int, NetworkConnection> kvp in identity.observers)
{
if (kvp.Value.isReady)
{
bytes.recycleCount++;
result &= kvp.Value.SendWriter(bytes, channelId);
}
}
NetworkWriterPool.Recycle(bytes);
return(result);
}
return(false);
}
internal static void Update()
{
// local or remote connection?
if (isLocalClient)
{
// process internal messages so they are applied at the correct time
while (localClientPacketQueue.Count > 0)
{
BufferHolder packet = localClientPacketQueue.Dequeue();
if (packet.writer)
{
NetworkWriter writer = (NetworkWriter)packet.data;
OnDataReceived(writer.ToArraySegment());
NetworkWriterPool.Recycle(writer);
}
else
{
OnDataReceived(new ArraySegment <byte>((byte[])packet.data));
}
}
}
else
{
// only update things while connected
if (active && connectState == ConnectState.Connected)
{
NetworkTime.UpdateClient();
}
}
}
protected void SendRPCInternal(Type invokeClass, string rpcName, NetworkWriter writer, int channelId)
{
// this was in Weaver before
if (!NetworkServer.active)
{
Debug.LogError("RPC Function " + rpcName + " called on Client.");
return;
}
// This cannot use NetworkServer.active, as that is not specific to this object.
if (!isServer)
{
Debug.LogWarning("ClientRpc " + rpcName + " called on un-spawned object: " + name);
return;
}
// construct the message
RpcMessage message = new RpcMessage
{
netId = netId,
componentIndex = ComponentIndex,
functionHash = GetMethodHash(invokeClass, rpcName), // type+func so Inventory.RpcUse != Equipment.RpcUse
payload = writer.ToArraySegment() // segment to avoid reader allocations
};
NetworkServer.SendToReady(netIdentity, message, channelId);
NetworkWriterPool.Recycle(writer);
}
void FixedUpdate()
{
if (!sendMessagesAllowed)
{
return;
}
CheckSendRate();
for (int i = 0; i < animator.layerCount; i++)
{
int stateHash;
float normalizedTime;
if (!CheckAnimStateChanged(out stateHash, out normalizedTime, i))
{
continue;
}
NetworkWriter writer = NetworkWriterPool.GetWriter();
WriteParameters(writer);
SendAnimationMessage(stateHash, normalizedTime, i, writer.ToArray());
NetworkWriterPool.Recycle(writer);
}
}
protected void SendCommandInternal(Type invokeClass, string cmdName, NetworkWriter writer, int channelId)
{
// this was in Weaver before
// NOTE: we could remove this later to allow calling Cmds on Server
// to avoid Wrapper functions. a lot of people requested this.
if (!NetworkClient.active)
{
Debug.LogError("Command Function " + cmdName + " called on server without an active client.");
return;
}
// local players can always send commands, regardless of authority, other objects must have authority.
if (!(isLocalPlayer || hasAuthority))
{
Debug.LogWarning("Trying to send command for object without authority.");
return;
}
if (ClientScene.readyConnection == null)
{
Debug.LogError("Send command attempted with no client running [client=" + connectionToServer + "].");
return;
}
// construct the message
CommandMessage message = new CommandMessage
{
netId = netId,
componentIndex = ComponentIndex,
functionHash = GetMethodHash(invokeClass, cmdName), // type+func so Inventory.RpcUse != Equipment.RpcUse
payload = writer.ToArraySegment() // segment to avoid reader allocations
};
ClientScene.readyConnection.Send(message, channelId);
NetworkWriterPool.Recycle(writer);
}
// get next message, unpacked from batch (if any)
// timestamp is the REMOTE time when the batch was created remotely.
public bool GetNextMessage(out NetworkReader message, out double remoteTimeStamp)
{
// getting messages would be easy via
// <<size, message, size, message, ...>>
// but to save A LOT of bandwidth, we use
// <<message, message, ...>
// in other words, we don't know where the current message ends
//
// BUT: it doesn't matter!
// -> we simply return the reader
// * if we have one yet
// * and if there's more to read
// -> the caller can then read one message from it
// -> when the end is reached, we retire the batch!
//
// for example:
// while (GetNextMessage(out message))
// ProcessMessage(message);
//
message = null;
// was our reader pointed to anything yet?
if (reader.Length == 0)
{
remoteTimeStamp = 0;
return(false);
}
// no more data to read?
if (reader.Remaining == 0)
{
// retire the batch
PooledNetworkWriter writer = batches.Dequeue();
NetworkWriterPool.Recycle(writer);
// do we have another batch?
if (batches.Count > 0)
{
// point reader to the next batch.
// we'll return the reader below.
PooledNetworkWriter next = batches.Peek();
StartReadingBatch(next);
}
// otherwise there's nothing more to read
else
{
remoteTimeStamp = 0;
return(false);
}
}
// use the current batch's remote timestamp
// AFTER potentially moving to the next batch ABOVE!
remoteTimeStamp = readerRemoteTimeStamp;
// if we got here, then we have more data to read.
message = reader;
return(true);
}
// send a batch. internal so we can test it.
internal void SendBatch(int channelId, Batch batch)
{
// get max batch size for this channel
int max = Transport.activeTransport.GetMaxBatchSize(channelId);
// we need a writer to merge queued messages into a batch
using (PooledNetworkWriter writer = NetworkWriterPool.GetWriter())
{
// for each queued message
while (batch.messages.Count > 0)
{
// get it
PooledNetworkWriter message = batch.messages.Dequeue();
ArraySegment <byte> segment = message.ToArraySegment();
// IF adding to writer would end Up >= MTU then we should
// flush first. the goal is to always flush < MTU packets.
//
// IMPORTANT: if writer is empty and segment is > MTU
// (which can happen for large max sized message)
// then we would send an empty previous writer.
// => don't do that.
// => only send if not empty.
if (writer.Position > 0 &&
writer.Position + segment.Count >= max)
{
// flush & reset writer
Transport.activeTransport.ServerSend(connectionId, channelId, writer.ToArraySegment());
writer.SetLength(0);
}
// now add to writer in any case
// -> WriteBytes instead of WriteSegment because the latter
// would add a size header. we want to write directly.
//
// NOTE: it's very possible that we add > MTU to writer if
// message size is > MTU.
// which is fine. next iteration will just flush it.
writer.WriteBytes(segment.Array, segment.Offset, segment.Count);
// return queued message to pool
NetworkWriterPool.Recycle(message);
}
// done iterating queued messages.
// batch might still contain the last message.
// send it.
if (writer.Position > 0)
{
Transport.activeTransport.ServerSend(connectionId, channelId, writer.ToArraySegment());
writer.SetLength(0);
}
}
// reset send time for this channel's batch
batch.lastSendTime = NetworkTime.time;
}
public bool InvokeHandler <T>(T msg) where T : IMessageBase
{
NetworkWriter writer = MessagePacker.PackWriter(msg);
NetworkReader reader = NetworkReaderPool.GetPooledReader(writer.ToArraySegment());
bool result = InvokeHandler(MessagePacker.GetId <T>(), reader);
NetworkReaderPool.Recycle(reader);
NetworkWriterPool.Recycle(writer);
return(result);
}
internal static byte[] PackWithAlloc <T>(T message) where T : IMessageBase
{
NetworkWriter writer = NetworkWriterPool.GetWriter();
Pack(message, writer);
byte[] data = writer.ToArray();
NetworkWriterPool.Recycle(writer);
return(data);
}
public static byte[] Pack <T>(T message) where T : IMessageBase
{
var writer = NetworkWriterPool.GetWriter();
Pack(message, writer);
var data = writer.ToArray();
NetworkWriterPool.Recycle(writer);
return(data);
}
/// <summary>
/// This sends a network message with a message ID on the connection. This message is sent on channel zero, which by default is the reliable channel.
/// </summary>
/// <typeparam name="T">The message type to unregister.</typeparam>
/// <param name="msg">The message to send.</param>
/// <param name="channelId">The transport layer channel to send on.</param>
/// <returns></returns>
public bool Send <T>(T msg, int channelId = Channels.DefaultReliable) where T : IMessageBase
{
NetworkWriter writer = NetworkWriterPool.GetWriter();
// pack message and send allocation free
MessagePacker.Pack(msg, writer);
NetworkDiagnostics.OnSend(msg, channelId, writer.Position, 1);
bool result = Send(writer.ToArraySegment(), channelId);
NetworkWriterPool.Recycle(writer);
return(result);
}
void CheckSendRate()
{
if (sendMessagesAllowed && syncInterval > 0 && sendTimer < Time.time)
{
sendTimer = Time.time + syncInterval;
NetworkWriter writer = NetworkWriterPool.GetWriter();
if (WriteParameters(writer))
{
SendAnimationParametersMessage(writer.ToArray());
}
NetworkWriterPool.Recycle(writer);
}
}
/// <summary>
/// This function invokes the registered handler function for a message.
/// <para>Network connections used by the NetworkClient and NetworkServer use this function for handling network messages.</para>
/// </summary>
/// <typeparam name="T">The message type to unregister.</typeparam>
/// <param name="msg">The message object to process.</param>
/// <returns></returns>
public bool InvokeHandler <T>(T msg) where T : IMessageBase
{
// get writer from pool
NetworkWriter writer = NetworkWriterPool.GetWriter();
// pack and invoke
int msgType = MessagePacker.GetId <T>();
MessagePacker.Pack(msg, writer);
bool result = InvokeHandler(msgType, new NetworkReader(writer.ToArraySegment()));
// recycle writer and return
NetworkWriterPool.Recycle(writer);
return(result);
}
public static byte[] PackMessage(int msgType, MessageBase msg)
{
NetworkWriter packWriter = NetworkWriterPool.GetPooledWriter();
// write message type
packWriter.Write((short)msgType);
// serialize message into writer
msg.Serialize(packWriter);
// return byte[]
byte[] data = packWriter.ToArray();
NetworkWriterPool.Recycle(packWriter);
return(data);
}
// pack message before sending
public static byte[] Pack <T>(T message) where T : IMessageBase
{
NetworkWriter packWriter = NetworkWriterPool.GetPooledWriter();
// write message type
int msgType = GetId <T>();
packWriter.Write((ushort)msgType);
// serialize message into writer
message.Serialize(packWriter);
// return byte[]
byte[] data = packWriter.ToArray();
NetworkWriterPool.Recycle(packWriter);
return(data);
}
/// <summary>
/// This function invokes the registered handler function for a message.
/// <para>Network connections used by the NetworkClient and NetworkServer use this function for handling network messages.</para>
/// </summary>
/// <typeparam name="T">The message type to unregister.</typeparam>
/// <param name="msg">The message object to process.</param>
/// <returns></returns>
public bool InvokeHandler <T>(T msg, int channelId) where T : IMessageBase
{
// get writer from pool
NetworkWriter writer = NetworkWriterPool.GetWriter();
// if it is a value type, just use typeof(T) to avoid boxing
// this works because value types cannot be derived
// if it is a reference type (for example IMessageBase),
// ask the message for the real type
int msgType = MessagePacker.GetId(typeof(T).IsValueType ? typeof(T) : msg.GetType());
MessagePacker.Pack(msg, writer);
ArraySegment <byte> segment = writer.ToArraySegment();
bool result = InvokeHandler(msgType, new NetworkReader(segment), channelId);
// recycle writer and return
NetworkWriterPool.Recycle(writer);
return(result);
}
/// <summary>
/// This function invokes the registered handler function for a message.
/// <para>Network connections used by the NetworkClient and NetworkServer use this function for handling network messages.</para>
/// </summary>
/// <typeparam name="T">The message type to unregister.</typeparam>
/// <param name="msg">The message object to process.</param>
/// <returns></returns>
public bool InvokeHandler <T>(T msg, int channelId) where T : IMessageBase
{
// get writer from pool
NetworkWriter writer = NetworkWriterPool.GetWriter();
// pack and invoke
int msgType = MessagePacker.GetId(typeof(T).IsValueType ? typeof(T) : msg.GetType());
MessagePacker.Pack(msg, writer);
ArraySegment <byte> segment = writer.ToArraySegment();
NetworkReader reader = NetworkReaderPool.GetReader(segment);
bool result = InvokeHandler(msgType, reader, channelId);
NetworkReaderPool.Recycle(reader);
// recycle writer and return
NetworkWriterPool.Recycle(writer);
return(result);
}
internal override void Update()
{
base.Update();
// should we still process a connected event?
if (connectedEventPending)
{
connectedEventPending = false;
NetworkClient.OnConnectedEvent?.Invoke();
}
// process internal messages so they are applied at the correct time
while (queue.Count > 0)
{
// call receive on queued writer's content, return to pool
PooledNetworkWriter writer = queue.Dequeue();
ArraySegment <byte> message = writer.ToArraySegment();
// OnTransportData assumes a proper batch with timestamp etc.
// let's make a proper batch and pass it to OnTransportData.
Batcher batcher = GetBatchForChannelId(Channels.Reliable);
batcher.AddMessage(message);
using (PooledNetworkWriter batchWriter = NetworkWriterPool.GetWriter())
{
// make a batch with our local time (double precision)
if (batcher.MakeNextBatch(batchWriter, NetworkTime.localTime))
{
NetworkClient.OnTransportData(batchWriter.ToArraySegment(), Channels.Reliable);
}
}
NetworkWriterPool.Recycle(writer);
}
// should we still process a disconnected event?
if (disconnectedEventPending)
{
disconnectedEventPending = false;
NetworkClient.OnDisconnectedEvent?.Invoke();
}
}
public static byte[] PackMessage(int msgType, MessageBase msg)
{
NetworkWriter writer = NetworkWriterPool.GetWriter();
try
{
// write message type
writer.WriteInt16((short)msgType);
// serialize message into writer
msg.Serialize(writer);
// return byte[]
return(writer.ToArray());
}
finally
{
NetworkWriterPool.Recycle(writer);
}
}
protected void SendEventInternal(Type invokeClass, string eventName, NetworkWriter writer, int channelId)
{
if (!NetworkServer.active)
{
Debug.LogWarning("SendEvent no server?");
return;
}
// construct the message
SyncEventMessage message = new SyncEventMessage
{
netId = netId,
componentIndex = ComponentIndex,
functionHash = GetMethodHash(invokeClass, eventName), // type+func so Inventory.RpcUse != Equipment.RpcUse
payload = writer.ToArraySegment() // segment to avoid reader allocations
};
NetworkServer.SendToReady(netIdentity, message, channelId);
NetworkWriterPool.Recycle(writer);
}
void FixedUpdate()
{
if (!sendMessagesAllowed)
{
return;
}
CheckSendRate();
if (!CheckAnimStateChanged(out int stateHash, out float normalizedTime))
{
return;
}
NetworkWriter writer = NetworkWriterPool.GetPooledWriter();
WriteParameters(writer);
SendAnimationMessage(stateHash, normalizedTime, writer.ToArraySegment());
NetworkWriterPool.Recycle(writer);
}
// pack message before sending
public static byte[] Pack <T>(T message) where T : IMessageBase
{
NetworkWriter writer = NetworkWriterPool.GetWriter();
try
{
// write message type
int msgType = GetId <T>();
writer.WriteUInt16((ushort)msgType);
// serialize message into writer
message.Serialize(writer);
// return byte[]
return(writer.ToArray());
}
finally
{
NetworkWriterPool.Recycle(writer);
}
}
protected void SendTargetRPCInternal(NetworkConnection conn, Type invokeClass, string rpcName, NetworkWriter writer, int channelId)
{
// this was in Weaver before
if (!NetworkServer.active)
{
Debug.LogError("TargetRPC Function " + rpcName + " called on client.");
return;
}
// connection parameter is optional. assign if null.
if (conn == null)
{
conn = connectionToClient;
}
// this was in Weaver before
if (conn is ULocalConnectionToServer)
{
Debug.LogError("TargetRPC Function " + rpcName + " called on connection to server");
return;
}
// This cannot use NetworkServer.active, as that is not specific to this object.
if (!isServer)
{
Debug.LogWarning("TargetRpc " + rpcName + " called on un-spawned object: " + name);
return;
}
// construct the message
RpcMessage message = new RpcMessage
{
netId = netId,
componentIndex = ComponentIndex,
functionHash = GetMethodHash(invokeClass, rpcName), // type+func so Inventory.RpcUse != Equipment.RpcUse
payload = writer.ToArraySegment() // segment to avoid reader allocations
};
conn.Send(message, channelId);
NetworkWriterPool.Recycle(writer);
}
internal static void Update()
{
// local or remote connection?
if (isLocalClient)
{
// process internal messages so they are applied at the correct time
while (localClientPacketQueue.Count > 0)
{
NetworkWriter writer = localClientPacketQueue.Dequeue();
// TODO avoid serializing and deserializng the message
// just pass it as is
OnDataReceived(writer.ToArraySegment(), Channels.DefaultReliable);
NetworkWriterPool.Recycle(writer);
}
}
else
{
// only update things while connected
if (active && connectState == ConnectState.Connected)
{
NetworkTime.UpdateClient();
}
}
}
public void Dispose()
{
NetworkWriterPool.Recycle(this);
}
