async Task AddToQueueAsync(Visit visit, AdditionInfo info = null)
{
var entity = new PromiseEntity(visit);
var entry = new PromiseEntry()
{
Visit = visit,
Id = entity.Id = Guid.NewGuid(),
LastRequestTime = entity.LastRequestTime = entity.CreateTime = DateTime.Now,
RetryInternvals = entity.RetryInternvals = 1000,
RequestCount = entity.RequestCount = 1
};
if (info != null)
{
entity.Category = info.Category;
entity.BusinessId = info.BusinessId;
}
await this.Store.CreateAsync(entity);
lock (this)
{
_NotCompletes.Enqueue(entry);
if (_Thread == null)
{
_Thread = new Thread(new ThreadStart(this.Loop));
_Thread.Start();
}
}
}
async Task Retry(PromiseEntry entry)
{
await Ajax.InternalRequestAsync(entry.Visit, (r, v) => {
var entity = PromiseEntity.FromVisit(v);
entity.Id = entry.Id;
entity.Id = entry.Id;
entity.LastRequestTime = DateTime.Now;
entity.RequestCount++;
entity.IsSuccess = true;
entity.Content = r.ToString();
this.Store.UpdateAsync(entity).Start();
}, (e, v) => {
Task.Run(async() => {
var entity = PromiseEntity.FromVisit(v);
entity.Id = entry.Id;
entity.LastRequestTime = DateTime.Now;
entity.RequestCount++;
entity.IsSuccess = false;
entity.Exception = e.ToString();
await this.Store.UpdateAsync(entity);
lock (this) {
_NotCompletes.Enqueue(entry);
}
});
return(false);
});
}
bool CheckRunable(PromiseEntry entity, DateTime now)
{
var escaped = now - entity.LastRequestTime;
if (escaped.Milliseconds > entity.RetryInternvals)
{
return(true);
}
else
{
return(false);
}
}
public Promise(IPromiseStore promiseStore)
{
this.Store = promiseStore;
var notCompletes = this.Store.ListWaitingPromises();
this._NotCompletes = new Queue <PromiseEntry>();
foreach (var entity in notCompletes)
{
var visit = entity.ToVisit();
var entry = new PromiseEntry()
{
Visit = visit,
Id = entity.Id,
LastRequestTime = entity.LastRequestTime,
CreateTime = entity.CreateTime,
RetryInternvals = entity.RetryInternvals,
RequestCount = entity.RequestCount
};
this._NotCompletes.Enqueue(entry);
}
}
void ComputeIntervals(PromiseEntry entity)
{
var start = entity.CreateTime;
var last = entity.LastRequestTime;
var d = (last - start);
if (d.Days > 1)
{
//一天以后，一小时重发一次
entity.RetryInternvals = 1000 * 60 * 60;
}
else if (d.Hours > 1)
{
//一小时之后，30分钟重发一次
entity.RetryInternvals = 1000 * 60 * 30;
}
else if (d.Minutes > 20)
{
//20分钟后，每15分钟重发一次
entity.RetryInternvals = 1000 * 60 * 15;
}
if (d.Minutes > 10)
{
//20分钟后，每5分钟重发一次
entity.RetryInternvals = 1000 * 60 * 5;
}
else if (d.Minutes > 3)
{
//3分钟后，每1分半钟重发一次
entity.RetryInternvals = 1000 * 90;
}
else
{
//每30秒重发一次
entity.RetryInternvals = 1000 * 30;
}
}