/// <summary>
/// 检测该客户端，如果不活动则删除连接
/// </summary>
/// <param name="theConnection">指定的客户端连接</param>
private void RemoveInactiveNode(NODE node)
{
if (node.IsActive == false)
{
RemoveNode(node);
}
}
private void RemoveNode(NODE node)
{
RWLock_ClientList.EnterWriteLock();
try
{
nodes.Remove(node);
}
finally
{
RWLock_ClientList.ExitWriteLock();
}
}
public void AddNode(NODE node)
{
RWLock_ClientList.EnterWriteLock();
try
{
nodes.Add(node);
node.HandleNodeClosed = new Action <NODE>((id => { nodes.Remove(id); }));
}
finally
{
RWLock_ClientList.ExitWriteLock();
//调用外部回调函数通知新连接建立
HandleNodeCreated?.Invoke(this, node);
}
}
/// <summary>
/// 关闭指定客户端连接
/// </summary>
/// <param name="theConnection">指定的客户端连接</param>
public void CloseNode(NODE node)
{
RemoveNode(node);
//调用外部回调函数通知连接被关闭
HandleNodeClosed?.Invoke(this, node);
}
/// <summary>
/// 接收来自UDP的数据并进行转发
/// </summary>
/// <param name="bytes"></param>
/// <param name="EndpointString"></param>
public void SendFromUDP(byte[] bytes, string EndpointString)
{
HandleUDPRsvMsg?.Invoke(bytes, EndpointString);
string content = System.Text.Encoding.Default.GetString(bytes);
string ID = "";
if (content.Length >= 19)
{
ID = content.Substring(9, 10);
NODE node = GetTheNode((x =>
{
var Id = (string)x.ID;
return(Id == ID);
}));
//如果不存在则新建一个NODE
if (node == null)
{
node = new NODE(ID)
{
//连接Node消息到Switch上
HandleNodeClosed = HandleNodeClosed == null ? null : new Action <NODE>((nod) => { HandleNodeClosed(this, nod); }),
HandleNodeCreated = HandleNodeCreated == null ? null : new Action <NODE>((nod) => { HandleNodeCreated(this, nod); }),
HandleUDPAdded = new Action <string>(target =>
{
HandleNodeChanged?.Invoke(this, node);
}),
HandleUDPRemoved = new Action <string>(target =>
{
HandleNodeChanged?.Invoke(this, node);
}),
HandleWebSocketAdded = new Action <string>(target =>
{
HandleNodeChanged?.Invoke(this, node);
}),
HandleWebSocketRemoved = new Action <string>(target =>
{
HandleNodeChanged?.Invoke(this, node);
}),
HandleException = new Action <Exception>(ex =>
{
HandleException(ex);
})
};
node.ID = ID;
AddNode(node);
}
//判断连接是否为新连接，如果是则增加消息源
if (node.UDPConnections.Where(x => { return(EndpointString == x.EndpointString); }).FirstOrDefault() == null)
{
node.AddUDPConnection(EndpointString);
}
else
{
node.UDPConnections.Where(x => { return(EndpointString == x.EndpointString); }).FirstOrDefault().Reactive();
}
node.Reactive();
//分发消息给所有在线的Websocket端口
lock (node.WebsocketConnections)
{
foreach (WSConnection ws in node.WebsocketConnections.ToArray())
{
HandleWebSocketSendMsg?.Invoke(bytes, ws.EndpointString);
}
}
//分发消息给所有在线的UDP端口
lock (node.UDPConnections)
{
foreach (UDPConnection udp in node.UDPConnections.ToArray())
{
HandleUDPSendMsg?.Invoke(bytes, udp.EndpointString);
}
}
}
}
/// <summary>
/// 当某连接不活动超时激活该函数
/// </summary>
private void HandleConnClientClose(NODE node)
{
RemoveNode(node);
}