/// <summary>
/// Add a packet to a sequence based on the server timestamp
/// </summary>
/// <param name="packet">The packet to be added</param>
/// <param name="packetCompleteHandle">The method to call and pass the data to when a sequence is complete</param>
public void AddPacket(UDPPacket packet, BaseUDP.PacketComplete packetCompleteHandle, NetWorker networker)
{
// Don't process packets that have a timestep within a specified range
//if (Time.Milliseconds - packet.timeStep > MAX_ACCEPT_TIME_WINDOW)
//{
// TODO: Send an event for old message received or packet rejected
// return;
//}
// Removal of packets from this lookup is done on a separate thread
lock (packets)
{
// Check to see if we have already started this sequence
if (!packets.ContainsKey(packet.uniqueId))
{
packets.Add(packet.uniqueId, new UDPPacketSequence());
}
}
// Cache the sequence so we don't repeatedly look it up
UDPPacketSequence sequence = packets[packet.uniqueId];
// Do not continue to add the packet if the sequence is already complete
if (sequence.Done)
{
return;
}
if (sequence.AddPacket(packet))
{
// The packet sequence is complete
CompleteSequence(packet.uniqueId, sequence, packetCompleteHandle, networker);
}
}
/// <summary>
/// Calls the supplied completion handler and passes the complete packet, then removes
/// the sequence from the pending list
/// </summary>
/// <param name="id">The timestamp for the packet to be used to lookup in packets dictionary</param>
/// <param name="sequence">The actual sequence reference to skip another lookup</param>
/// <param name="packetCompleteHandle">The method to call and pass this sequence into</param>
private void CompleteSequence(ulong id, UDPPacketSequence sequence,
BaseUDP.PacketComplete packetCompleteHandle, NetWorker networker)
{
packetCompleteHandle(sequence.GetData(networker), GroupId, (byte)sequence.Receivers, sequence.Reliable);
lock (packets)
{
trackers.Add(new IdTracker()
{
storeTime = time.Timestep, id = id
});
}
lock (packets)
{
for (int i = 0; i < trackers.Count; i++)
{
if (trackers[i].storeTime + MAX_ACCEPT_TIME_WINDOW <= time.Timestep)
{
packets.Remove(trackers[i].id);
trackers.RemoveAt(i--);
}
}
}
}
/// <summary>
/// Add a packet to a sequence based on the server timestamp
/// </summary>
/// <param name="packet">The packet to be added</param>
/// <param name="packetCompleteHandle">The method to call and pass the data to when a sequence is complete</param>
/// <summary>
///根据服务器时间戳添加一个数据包到一个序列
/// </ summary>
/// <param name =“packet”>要添加的数据包</ param>
/// <param name =“packetCompleteHandle”>在序列完成时调用和传递数据的方法</ param>
public void AddPacket(UDPPacket packet, BaseUDP.PacketComplete packetCompleteHandle, NetWorker networker)
{
//不要处理具有指定范围内时间步长的数据包
// Don't process packets that have a timestep within a specified range
//if (Time.Milliseconds - packet.timeStep > MAX_ACCEPT_TIME_WINDOW)
//{
// TODO: Send an event for old message received or packet rejected
// return;
//}
//从这个查询中删除数据包是在一个单独的线程上完成的
// Removal of packets from this lookup is done on a separate thread
lock (packets)
{
// 检查，看看我们是否已经开始这个序列
// Check to see if we have already started this sequence
if (!packets.ContainsKey(packet.uniqueId))
{
packets.Add(packet.uniqueId, new UDPPacketSequence());
}
}
//缓存序列，所以我们不要反复查找它
// Cache the sequence so we don't repeatedly look it up
UDPPacketSequence sequence = packets[packet.uniqueId];
//如果序列已经完成，则不要继续添加数据包
// Do not continue to add the packet if the sequence is already complete
if (sequence.Done)
{
return;
}
// 返回true是完整的数据包
if (sequence.AddPacket(packet))
{
//数据包序列完整
// The packet sequence is complete
CompleteSequence(packet.uniqueId, sequence, packetCompleteHandle, networker);
}
}
