public void AgentTimerBuild(Agent agent)
{
agent.Timers = new List<Timer>();
foreach (var site in TaskQueue.sites) {//遍历所有站点
System.Threading.Thread.Sleep(2000);
ProcessTesk(site, agent);//从任务列表中取出待执行的任务分配给代理端执行
Timer timer = new Timer(1000 * site.GrabInterval);
timer.Elapsed += delegate { ProcessTesk(site, agent); };
timer.Enabled = true;
agent.Timers.Add(timer);
}
}
private void ProcessTesk(Site site, Agent agent)
{
var task = TaskQueue.tasks.Where(d => d.Status == eTaskStatus.Standby && d.Site == site.Name).FirstOrDefault();//取出待执行的第一条任务
if (task != null) {//取出任务后
task.Status = eTaskStatus.Executing;//改变任务状态为执行中，以免重复执行
task.HandlerAgent = agent.Name;
task.HandlerTime = DateTime.Now;
Clients.Client(agent.ConnectionId).castTesk(task);//将任务推送给代理端
BroadcastRanderTask();
} else {
var executingTask = TaskQueue.tasks.Where(d => d.Status == eTaskStatus.Executing && d.Site == site.Name).OrderBy(d => d.HandlerTime).FirstOrDefault();
if (executingTask != null && (DateTime.Now - executingTask.HandlerTime).TotalMinutes > 2) {
executingTask.HandlerAgent = agent.Name;
executingTask.HandlerTime = DateTime.Now;
Clients.Client(agent.ConnectionId).castTesk(executingTask);
BroadcastRanderTask();
}
}
}
/// <summary>
/// 注册为一个代理端，用来执行服务端的任务
/// </summary>
/// <param name="name"></param>
public void RegisterAgent(string name)
{
Groups.Add(Context.ConnectionId, "agent");//加入到代理组
var agent = TaskQueue.agents.SingleOrDefault(d => d.Name == name);
if (agent != null) {
agent.ConnectionId = Context.ConnectionId;
agent.Online = true;
if (agent.Timers != null)
foreach (var timer in agent.Timers) timer.Start();
Clients.Group("broad").agentList(TaskQueue.agents);
} else {
var newagent = new Agent {
ConnectionId = Context.ConnectionId,
Name = name,
Online = true
};
TaskQueue.agents.Add(newagent);//加入到代理缓存中
Clients.Group("broad").agentList(TaskQueue.agents);//广播给前端，用来更新页面的代理列表
AgentTimerBuild(newagent);//开始分配任务的Timer事件
}
}