/// <summary>
/// 订阅 Redis的消息队列, 实现消息队列对爬虫的控制
/// </summary>
/// <param name="spider">爬虫</param>
protected void RegisterControl(ISpider spider)
{
if (RedisConnection.Default == null)
{
return;
}
try
{
RedisConnection.Default.Subscriber.Subscribe($"{spider.Identity}", (c, m) =>
{
switch (m)
{
case "PAUSE":
{
spider.Pause();
break;
}
case "CONTINUE":
{
spider.Continue();
break;
}
case "RUNASYNC":
{
spider.RunAsync();
break;
}
case "EXIT":
{
spider.Exit();
break;
}
}
});
}
catch (Exception e)
{
Logger.LogError($"Register control failed：{e}");
}
}