/// <summary>
/// 先只实现群聊,返回是否请求到了消息
/// </summary>
public void DoChatSession(ICometRequest cometRequest, IEnumerable<ChatMessageModel> messages, FinishCallback cb)
{
CometAsyncResult request = cometRequest as CometAsyncResult;
var newMessages = messages.Where(p => p.Id > request.Request.lastId);
if (newMessages.Count() > 0)
{
request.Response.Message = newMessages;
cometRequest.IsCompeled = true;
}
else
{
request.Response.Message =new List<ChatMessageModel>();
}
if(cb!=null)
cb(cometRequest);
}
public void DoChatSession(ICometRequest cometRequest,IEnumerable<ChatMessageModel> messages, FinishCallback cb)
{
HttpCometRequest request = cometRequest as HttpCometRequest;
string outStr=string.Empty;
var newMessages = messages.Where(p => p.Id > request.LastId);
if (newMessages.Count() > 0)
{
outStr = newMessages.Count().ToString() + "new message";
cometRequest.IsCompeled = true;
}
request.OutPutMessage = outStr;
if (cb != null)
cb(cometRequest);
}
/// <summary>
/// 以新消息触发 队列请求处理
/// </summary>
void HandleEventTriggerMode(ICometRequest[] requests)
{
//1s超时进入轮询
SessionWaitHandle.WaitOne(1000);
ChatMessageModel[] chatMessages;
lock (MessageSyncRoot)
{
chatMessages = CometChatMessage.ToArray();
//内存中值保留前20条记录，避免查询耗时
CometChatMessage = CometChatMessage.Take(20).ToList();
}
foreach (var request in requests)
{
SessionManager.DoChatSession(request, chatMessages, FinishCometRequest);
}
}
/// <summary>
/// 完成请求删除节点
/// </summary>
public void DeQueueCometRequest(ICometRequest request)
{
lock (RequestSyncRoot)
{
CometRequestList.Remove(request);
}
}
/// <summary>
/// 将请求加入线程处理队列
/// </summary>
public void EnQueueCometRequest(ICometRequest request)
{
request.CometConcurrentCount = RequestCount;
//需要立即处理请求，如果有数据及立即返回,无数据才加入队列
HandleCurrentRequest(request);
if (request.IsCompeled)
{
return;
}
//将请求加入队列处理
lock (RequestSyncRoot)
{
CometRequestList.AddFirst(request);
//通知线程开始工作
ThreadWaitHandle.Set();
}
}
/// <summary>
/// 完成长连接处理
/// </summary>
public void FinishCometRequest(ICometRequest request)
{
if (request.IsCompeled||(DateTime.Now - request.BeginTime).TotalSeconds >= RequestTimeOut)
{
DeQueueCometRequest(request);
request.FinishCometRequest();
}
}
/// <summary>
/// 立即处理请求(返回时候得到处理)
/// </summary>
void HandleCurrentRequest(ICometRequest request)
{
lock (MessageSyncRoot)
{
//处理一个请求，不对MessageList copy了
SessionManager.DoChatSession(request,CometChatMessage ,null );
if(request.IsCompeled)
{
request.FinishCometRequest();
}
}
}
/// <summary>
/// 单轮询模式处理，定时检查消息队列
/// </summary>
void HandlePollingMode(ICometRequest[] requests)
{
ChatMessageModel[] chatMessages;
lock (MessageSyncRoot)
{
chatMessages = CometChatMessage.ToArray();
//内存中值保留前20条记录，避免查询耗时
CometChatMessage = CometChatMessage.Take(20).ToList();
}
foreach (var request in requests)
{
SessionManager.DoChatSession(request, chatMessages, FinishCometRequest);
}
//定时扫描
Thread.Sleep(200);
}
/// <summary>
/// 把长连接队列
/// </summary>
/// <param name="result"></param>
public static void QueueCometRequest(ICometRequest result)
{
lock (SyncRoot)
{
if (AssignRequestThreadIndex == ThreadCount)
{
AssignRequestThreadIndex = 0;
}
CometThreads[AssignRequestThreadIndex].EnQueueCometRequest(result);
AssignRequestThreadIndex++;
}
}