private int currentCount = 0; //timer
#endregion
#region functions
private void WriteToStream(ChatMessageEntity messageEntity)
{
ObjectInversion inversion = new ObjectInversion();
byte[] byteArr = inversion.SerializeTo((object)messageEntity);
writer.Write(byteArr);
writer.Flush();
}
private void heartbeatTimer_Tick(object sender, EventArgs e)
{
tickCountInStep++;
if (tickCountInStep == tickCount)
{
if (ChatClientCollection.Count > 0)
{
//计数器自动递增
expiryCountInStep++;
foreach (ChatClient ChatClient in ChatClientLists)
{
ChatClientOnLineCounter[ChatClient]++;
}
//连续监测三次之后，开始监测集合中的掉线情况
if (expiryCountInStep == expiryCount)
{
//寻找集合中“掉线”的用户
var disconnectedChatClients = ChatClientOnLineCounter.Where(p => p.Value >= 3).ToList();
foreach (var disconnectedChatClient in disconnectedChatClients)
{
txtLog.Append("用户" + disconnectedChatClient.Key.name + "掉线！");
//删除集合中被视为掉线的用户
ChatClientLists.Remove(disconnectedChatClient.Key);
ChatClientOnLineCounter.Remove(disconnectedChatClient.Key);
//开始广播发送掉线用户
ChatMessageEntity entity = new ChatMessageEntity();
entity.MessageType = ChatStateEnum.OffLine;
EndPoint curOfflineChatClientEP = disconnectedChatClient.Key.client.Client.RemoteEndPoint;
string ChatClientName = disconnectedChatClient.Key.name;
entity.MessageContentEx.Add(curOfflineChatClientEP, ChatClientName);
ObjectInversion inversion = new ObjectInversion();
byte[] byteArr = inversion.SerializeTo((object)entity);
try
{
foreach (ChatClient ChatClient in ChatClientLists)
{
ChatClient.writer.Write(byteArr);
ChatClient.writer.Flush();
}
}
catch { }
}
expiryCountInStep = 0;
}
}
tickCountInStep = 0;
}
}
private void BroadCastChatClients()
{
ChatMessageEntity entity = new ChatMessageEntity();
entity.MessageType = ChatStateEnum.OnLine;
entity.MessageContentEx = ChatClientCollection;
ObjectInversion inversion = new ObjectInversion();
byte[] byteArr = inversion.SerializeTo((object)entity);
foreach (ChatClient ChatClient in ChatClientLists)
{
ChatClient.writer.Write(byteArr);
ChatClient.writer.Flush();
}
}