public void Start()
{
lock (_lockObject)
{
if (_started)
{
return;
}
_started = true;
HostingEnvironment.RegisterObject(this);
// https://github.com/HangfireIO/Hangfire/blob/master/src/Hangfire.SqlServer/SqlServerStorageOptions.cs
var options = new SqlServerStorageOptions
{
PrepareSchemaIfNecessary = true, // 刪除相關資料表，當重新啟動後也會自動建立相關資料表
// 每15秒，查詢是否有需要執行的Job
// You can adjust the polling interval, but, as always, lower intervals can harm your SQL Server, and higher interval produce too much latency, so be careful.
QueuePollInterval = TimeSpan.FromSeconds(15), // Default value
// 不知道怎麼使用
// InvisibilityTimeout = TimeSpan.FromMinutes(30) // default value
};
GlobalConfiguration.Configuration
// .UseSqlServerStorage("ApplicationDbContext") // 使用下面的方式，要不然使用別的config，這裡的連線資訊也要跟著調整
.UseSqlServerStorage(new ApplicationDbContext().Database.Connection.ConnectionString, options);
//GlobalConfiguration.Configuration.UseLogProvider(new HangfireLogProvider()); // 暫時先關閉，除非要偵錯 Hangfire
// http://docs.hangfire.io/en/latest/background-methods/using-ioc-containers.html
var container = UnityConfig.GetConfiguredBackgroundContainer() as UnityContainer;
var jobActivator = new MyUnityJobActivator(container);
GlobalConfiguration.Configuration.UseActivator(jobActivator);
// http://docs.hangfire.io/en/latest/background-processing/dealing-with-exceptions.html
// 預設重試次數
GlobalJobFilters.Filters.Add(new AutomaticRetryAttribute {
Attempts = 0
}); // 20160701 Norman, 失敗了不要重試，如果失敗，每固定時間系統自行決定需要發送的簡訊，重發的簡訊，或者是 GetDeliveryReport，因此不需要重送。
// 手動指定重試次數
// [AutomaticRetry(Attempts = 0)]
GlobalJobFilters.Filters.Add(new ChildContainerPerJobFilterAttribute(jobActivator));
RecurringJob.AddOrUpdate <EfSmsBackgroundJob>("CheckMonthlyAllotPoint", x => x.CheckMonthlyAllotPoint(), Cron.Minutely);
RecurringJob.AddOrUpdate <EfSmsBackgroundJob>("SendSMS", x => x.SendSMS(), Cron.Minutely);
for (var i = 0; i < 6; i++) // every 10 minute
{
int min = i * 10;
RecurringJob.AddOrUpdate <EfSmsBackgroundJob>("RetrySMS" + min.ToString("0:00"), x => x.RetrySMS(), Cron.Hourly(min));
RecurringJob.AddOrUpdate <EfSmsBackgroundJob>("GetDeliveryReport" + min.ToString("0:00"), x => x.GetDeliveryReport(), Cron.Hourly(min));
RecurringJob.AddOrUpdate <EfSmsBackgroundJob>("HandleDeliveryReportTimeout" + min.ToString("0:00"), x => x.HandleDeliveryReportTimeout(), Cron.Hourly(min));
}
RecurringJob.AddOrUpdate <EfSmsBackgroundJob>("HouseKeeping", x => x.HouseKeeping(), Cron.Minutely);
// 建立Background JobSserver 來處理 Job
// http://docs.hangfire.io/en/latest/background-processing/configuring-queues.html
var backgroundJobServerOptions = new BackgroundJobServerOptions
{
Queues = new[] {
EFunTech.Sms.Portal.EfSmsBackgroundJob.QueueLevel.Critical,
EFunTech.Sms.Portal.EfSmsBackgroundJob.QueueLevel.High,
EFunTech.Sms.Portal.EfSmsBackgroundJob.QueueLevel.Medium,
EFunTech.Sms.Portal.EfSmsBackgroundJob.QueueLevel.Low
},
//WorkerCount = Environment.ProcessorCount * 5, // This is the default value
WorkerCount = Environment.ProcessorCount * 50, // (1000 個 GetDeliveryReport Request) * (2.5 秒 - 每個 Request 花費時間) / 60 (每分鐘幾秒) = 41.66666 (分鐘才能完成工作)
};
/*
* public class QueueLevel
* {
* public const string Critical = "critical";
* public const string High = "high";
* public const string Medium = "medium";
* public const string Low = "low";
* }
*/
_backgroundJobServer = new BackgroundJobServer(backgroundJobServerOptions);
}
}