public void ProcessRequest(HttpContext context)
{
context.Response.Cache.SetCacheability(HttpCacheability.NoCache);
context.Response.ContentType = "text/plain";
string value = context.Request.Params.Get(DATAFIELD);
if (String.IsNullOrEmpty(value))
{
context.Response.Write("500 create connection error.");
return;
}
try
{
AliveClient ac = new AliveClient(null);
//加入缓存
AsyncManager.AddClient(ac);
//直接回复
context.Response.Write("收到回复");
}
catch (Exception ex)
{
logger.Error("创建连接发生错误:" + ex.Message);
}
}
public static void AddClient(AliveClient client)
{
if (client == null)
{
return;
}
lock (syncObj) {
clients.Add(client);
}
}
/// <summary>
/// 心跳回复
/// </summary>
public static void Heart()
{
AliveClient c = null;
lock (syncObj) {
for (int i = 0; i < clients.Count; i++)
{
c = clients[i];
logger.Info("回复:111111");
c.Send("服务器端推，有数据啦....");
}
}
}
public IAsyncResult BeginProcessRequest(HttpContext context, AsyncCallback cb, object extraData)
{
context.Response.Cache.SetCacheability(HttpCacheability.NoCache);
string value = context.Request.Params.Get(DATAFIELD);
//这里传过来的是SessionId，不是数据,数据不做重复Parse
//用sessionId去缓存中找对应的会话，并填充异步AsyncResult
HKAsyncRequest result = new HKAsyncRequest(context, cb, extraData);
string error = null;
if (String.IsNullOrEmpty(value))
{
error = "500 SessionId is null";
context.Response.StatusCode = 500;
logger.Error(error);
result.Send(error);
return(result);
}
List <AliveClient> acs = AsyncManager.Sessions.FindAll(x => x.SessionId.Equals(value));
if (acs == null || acs.Count == 0)
{
error = "404 SessionId:" + value + " has no connection.";
context.Response.StatusCode = 404;
logger.Debug(error);
result.Send(error);
return(result);
}
AliveClient ac = acs.First();
ac.Result = result;
//执行命令
return(result);
}
public static void Clean()
{
int maxTimeSpan = Int32.Parse(ConfigurationManager.AppSettings["maxTimeSpan"]);
int comepleteCount = 0;
int overTimeCount = 0;
int invalidCount = 0;
AliveClient ac = null;
lock (syncObj)
{
for (int i = 0; i < clients.Count; i++)
{
ac = clients[i];
if (ac == null)
{
continue;
}
else if (ac.IsCompleted)
{
//完成请求
comepleteCount += 1;
clients.Remove(ac);
}
else if ((DateTime.Now - ac.CreateTime).Minutes > maxTimeSpan)
{
//超时请求
overTimeCount += 1;
clients.Remove(ac);
}
String msg = String.Format("完成一次清理任务：无效请求:%s ; 超时请求:%s ; 已完成请求:s%", invalidCount.ToString(), overTimeCount.ToString(), comepleteCount.ToString());
logger.Info(msg);
}
}
}
