internal void OnDisconnect(ENetEvent eNetEvent)
{
if (this.Disconnect == null)
{
return;
}
Action <ENetEvent> localDisconnect = this.Disconnect;
this.Disconnect = null;
localDisconnect(eNetEvent);
}
internal void OnConnected(ENetEvent eNetEvent)
{
if (this.Connected == null)
{
return;
}
Action <ENetEvent> localConnected = this.Connected;
this.Connected = null;
// 此调用将让await ConnectAsync返回,所以null必须在此之前设置
localConnected(eNetEvent);
}
private ENetEvent GetEvent()
{
if (this.eNetEventCache == null)
{
this.eNetEventCache = new ENetEvent();
}
if (NativeMethods.ENetHostCheckEvents(this.host, this.eNetEventCache) <= 0)
{
return(null);
}
ENetEvent eNetEvent = this.eNetEventCache;
this.eNetEventCache = null;
return(eNetEvent);
}
internal void OnReceived(ENetEvent eNetEvent)
{
// 如果应用层还未调用readasync则将包放到缓存队列
if (this.Received == null)
{
using (UPacket packet = new UPacket(eNetEvent.Packet))
{
byte[] bytes = packet.Bytes;
this.recvQueue.Enqueue(bytes);
}
}
else
{
Action <ENetEvent> localReceived = this.Received;
this.Received = null;
// 此调用将让await ReadAsync返回,所以null必须在此之前设置
localReceived(eNetEvent);
}
}
internal static extern int ENetHostService(IntPtr host, ENetEvent ev, uint timeout);
internal static extern int ENetHostCheckEvents(IntPtr host, ENetEvent ev);
private ENetEvent GetEvent()
{
if (this.eNetEventCache == null)
{
this.eNetEventCache = new ENetEvent();
}
if (NativeMethods.ENetHostCheckEvents(this.host, this.eNetEventCache) <= 0)
{
return null;
}
ENetEvent eNetEvent = this.eNetEventCache;
this.eNetEventCache = null;
return eNetEvent;
}
public void Update()
{
this.OnEvents();
if (this.Service() < 0)
{
return;
}
while (true)
{
ENetEvent eNetEvent = this.GetEvent();
if (eNetEvent == null)
{
return;
}
switch (eNetEvent.Type)
{
case EventType.Connect:
{
// 这是一个connect peer
if (this.uSocketManager.ContainsKey(eNetEvent.Peer))
{
USocket uSocket = this.uSocketManager[eNetEvent.Peer];
uSocket.OnConnected(eNetEvent);
break;
}
// 这是accept peer
if (this.uSocketManager.ContainsKey(IntPtr.Zero))
{
USocket uSocket = this.uSocketManager[IntPtr.Zero];
uSocket.OnConnected(eNetEvent);
break;
}
// 如果server端没有acceptasync,则请求放入队列
this.connQueue.Add(eNetEvent.Peer, eNetEvent);
break;
}
case EventType.Receive:
{
USocket uSocket = this.uSocketManager[eNetEvent.Peer];
uSocket.OnReceived(eNetEvent);
break;
}
case EventType.Disconnect:
{
// 如果链接还在缓存中，则删除
if (this.connQueue.Remove(eNetEvent.Peer))
{
break;
}
// 链接已经被应用层接收
USocket uSocket = this.uSocketManager[eNetEvent.Peer];
this.uSocketManager.Remove(eNetEvent.Peer);
// 等待的task将抛出异常
if (uSocket.Connected != null)
{
uSocket.OnConnected(eNetEvent);
break;
}
if (uSocket.Received != null)
{
uSocket.OnReceived(eNetEvent);
break;
}
if (uSocket.Disconnect != null)
{
uSocket.OnDisconnect(eNetEvent);
break;
}
break;
}
}
}
}
internal void OnDisconnect(ENetEvent eNetEvent)
{
if (this.Disconnect == null)
{
return;
}
Action<ENetEvent> localDisconnect = this.Disconnect;
this.Disconnect = null;
localDisconnect(eNetEvent);
}
internal void OnReceived(ENetEvent eNetEvent)
{
// 如果应用层还未调用readasync则将包放到缓存队列
if (this.Received == null)
{
using (UPacket packet = new UPacket(eNetEvent.Packet))
{
byte[] bytes = packet.Bytes;
this.recvQueue.Enqueue(bytes);
}
}
else
{
Action<ENetEvent> localReceived = this.Received;
this.Received = null;
// 此调用将让await ReadAsync返回,所以null必须在此之前设置
localReceived(eNetEvent);
}
}
internal void OnConnected(ENetEvent eNetEvent)
{
if (this.Connected == null)
{
return;
}
Action<ENetEvent> localConnected = this.Connected;
this.Connected = null;
// 此调用将让await ConnectAsync返回,所以null必须在此之前设置
localConnected(eNetEvent);
}