protected virtual void FreeResources(ICheckoutTaskContext context, CheckoutTask task)
{
task.ProxyPool.Release(task.Proxy);
task.Proxy = null;
context?.Dispose();
TierControl.Release();
}
private bool IsCanceled(CancellationToken cancelToken, CheckoutTask task, ICheckoutTaskContext context = null, bool isTierAcquired = true)
{
bool ret = false;
if (cancelToken.IsCancellationRequested)
{
task.State = CheckoutTaskState.Canceled;
context?.Dispose();
if (isTierAcquired)
{
TierControl.Release();
}
Logger.LogEvent(task.Log, $"TASK {task.Id}", "Task is canceled!");
ret = true;
}
return(ret);
}
private void Checkout(CancellationToken cancelToken, CheckoutTask task)
{
ICheckoutTaskContext context = null;
CheckoutStep waitProxy = new CheckoutStep(WaitProxy, "Waiting proxy", CheckoutTaskState.WaitingProxy);
CheckoutStep waitProduct = new CheckoutStep(WaitProduct, "Waiting product", CheckoutTaskState.WaitingProduct);
CheckoutStep addToCart = new CheckoutStep(AddToCart, "Carting", CheckoutTaskState.Carting);
CheckoutStep checkCart = new CheckoutStep(CheckCart, "Checking cart", CheckoutTaskState.Checking);
CheckoutStep billing = new CheckoutStep(Billing, "Billing", CheckoutTaskState.Billing);
CheckoutStep waitQuota = new CheckoutStep(WaitQuota, "Waiting quota", CheckoutTaskState.WaitingQuota);
CheckoutStep paying = new CheckoutStep(Paying, "Paying", CheckoutTaskState.Paying);
StepResult res = StepResult.Ok;
TimeSpan executionTime;
if (!TierControl.Wait(cancelToken))
{
if (IsCanceled(cancelToken, task, null, false))
{
return;
}
throw new Exception();
}
Logger.LogEvent(task.Log, $"TASK {task.Id}", "Initializing... done");
//res = waitProxy.Run(null, task, TimeSpan.FromMilliseconds(task.Footsite.Settings.RetryPeriod), out executionTime, cancelToken);
task.Proxy = task.ProxyPool.GetOne();
if (IsCanceled(cancelToken, task))
{
return;
}
if (res != StepResult.Ok)
{
Logger.LogEvent(task.Log, $"TASK {task.Id}", "ATC can not be continued without proxy");
return;
}
while (true)
{
if (res != StepResult.Ok)
{
cancelToken.WaitHandle.WaitOne(TimeSpan.FromMilliseconds(task.Footsite.Settings.RetryPeriod));
if (IsCanceled(cancelToken, task, context))
{
return;
}
}
context?.Dispose();
context = CreateContext(task);
res = waitProduct.Run(context, task, TimeSpan.FromMilliseconds(task.Footsite.Settings.RetryPeriod), out executionTime, cancelToken);
if (IsCanceled(cancelToken, task, context))
{
return;
}
if (res != StepResult.Ok)
{
Logger.LogEvent(task.Log, $"TASK {task.Id}", $"{waitProduct.Name} is failed... retry");
continue;
}
if (task.Size == ClothesSizeSystemCollection.RandomSize)
{
task.Size = GetRandomSize();
Logger.LogEvent(task.Log, $"TASK {task.Id}", $"Size {task.Size} is selected");
}
res = addToCart.Run(context, task, TimeSpan.FromMilliseconds(task.Footsite.Settings.RetryPeriod), out executionTime, cancelToken);
if (IsCanceled(cancelToken, task, context))
{
return;
}
if (res == StepResult.OutOfStock)
{
Logger.LogEvent(task.Log, $"TASK {task.Id}", $"{addToCart.Name} is failed... Out of Stock. Retry ATC");
continue;
}
if (res != StepResult.Ok)
{
Logger.LogEvent(task.Log, $"TASK {task.Id}", $"{addToCart.Name} is failed... retry ATC");
continue;
}
while (true)
{
if (res != StepResult.Ok)
{
cancelToken.WaitHandle.WaitOne(TimeSpan.FromMilliseconds(task.Footsite.Settings.RetryPeriod));
if (IsCanceled(cancelToken, task, context))
{
return;
}
}
res = checkCart.Run(context, task, TimeSpan.FromMilliseconds(task.Footsite.Settings.RetryPeriod), out executionTime, cancelToken);
if (IsCanceled(cancelToken, task, context))
{
return;
}
if (res != StepResult.Ok)
{
Logger.LogEvent(task.Log, $"TASK {task.Id}", $"{checkCart.Name} is failed... retry ATC");
break;
}
res = billing.Run(context, task, TimeSpan.FromMilliseconds(task.Footsite.Settings.RetryPeriod), out executionTime, cancelToken);
if (IsCanceled(cancelToken, task, context))
{
return;
}
if (res != StepResult.Ok)
{
Logger.LogEvent(task.Log, $"TASK {task.Id}", $"{billing.Name} is failed... retrying checkout");
}
res = waitQuota.Run(context, task, TimeSpan.FromMilliseconds(task.Footsite.Settings.RetryPeriod), out executionTime, cancelToken);
if (IsCanceled(cancelToken, task, context))
{
return;
}
if (res == StepResult.Failed)
{
Logger.LogEvent(task.Log, $"TASK {task.Id}", "Checkout quota has ended");
}
res = paying.Run(context, task, TimeSpan.FromMilliseconds(task.Footsite.Settings.RetryPeriod), out executionTime, cancelToken);
if (res == StepResult.Ok)
{
task.Profile.Release(true);
OnSuccessfulCheckout(new CheckoutInfo()
{
ReleaseName = Release.Name,
ProductName = ProductName,
ReleaseCheckoutProfile = task.Profile.ReleaseCheckoutProfile,
Size = task.Size,
TimeStamp = DateTime.Now
});
}
else
{
task.Profile.Release(false);
}
if (IsCanceled(cancelToken, task, context))
{
return;
}
if (res != StepResult.Ok)
{
Logger.LogEvent(task.Log, $"TASK {task.Id}", $"{paying.Name} is failed... retrying checkout");
continue;
}
break;
}
if (res != StepResult.Ok)
{
continue;
}
break;
}
Logger.LogEvent(task.Log, $"TASK {task.Id}", $"Finished!");
task.State = CheckoutTaskState.Finished;
FreeResources(context, task);
}
public async Task <bool> Start(CancellationToken cancelToken)
{
bool ret = true;
lock (m_lock)
{
if (m_state == ReleaseTaskState.Working)
{
ret = false;
}
m_state = ReleaseTaskState.Working;
}
if (ret)
{
OnPropertyChanged("State");
await Task.Run(() =>
{
Log.Clear();
ReleaseProductInfo productInfo = new ReleaseProductInfo()
{
ProductLink = Release.ProductLink,
KeyWords = Release.KeyWords.ToList()
};
ProductMonitorTask productMonitorTask = new ProductMonitorTask()
{
Period = Release.Footsite.Settings.ProductMonitorPeriod,
ProductInfo = productInfo,
Proxy = Release.GlobalProxy
};
Thread monitorThread = new Thread(() => MonitorProduct(cancelToken, Log, productMonitorTask));
monitorThread.Start();
List <CheckoutTask> checkoutTasks = new List <CheckoutTask>();
int taskId = 0;
ProxyPool proxyPool = new ProxyPool(Release.Proxies.ToList(), 1);
foreach (ReleaseCheckoutProfile profile in Release.Profiles)
{
CheckoutTaskCcProfile checkoutTaskCcProfile = new CheckoutTaskCcProfile(new ReleaseCheckoutProfile(profile)
{
CheckoutProfile = new CheckoutProfile(profile.CheckoutProfile)
}, Release.Footsite.Settings.PurchaseLimitPerProfile);
Profiles.Add(checkoutTaskCcProfile);
for (int i = 0; i < profile.TasksCount; i++)
{
CheckoutTask checkoutTask = new CheckoutTask()
{
Id = taskId++,
Size = profile.Size,
VariantId = profile.VariantId,
Profile = checkoutTaskCcProfile,
ProxyPool = proxyPool,
ProductAvailableEvent = productMonitorTask.ProductAvailableEvent,
Footsite = Release.Footsite,
ProductInfo = productInfo
};
Logger.LogEvent(checkoutTask.Log, $"TASK {checkoutTask.Id}", "Initializing...");
checkoutTaskCcProfile.CheckoutTasks.Add(checkoutTask);
checkoutTasks.Add(checkoutTask);
}
}
RestockMonitorTask restockMonitorTask = new RestockMonitorTask()
{
Period = TimeSpan.FromMilliseconds(Release.Footsite.Settings.ProductMonitorPeriod),
CheckoutTasks = checkoutTasks,
ProductInfo = productInfo,
};
Thread restockMonitorThread = new Thread(() => RestockMonitor(Log, restockMonitorTask, cancelToken));
restockMonitorThread.Start();
CheckoutTasksWatcher checkoutTasksWatcher = new CheckoutTasksWatcher(checkoutTasks);
Task.Run(() =>
{
foreach (CheckoutTask checkoutTask in checkoutTasks)
{
if (cancelToken.IsCancellationRequested)
{
break;
}
Thread checkoutThread = new Thread(() => Checkout(cancelToken, checkoutTask));
checkoutThread.Start();
}
});
checkoutTasksWatcher.FinishedEvent.WaitOne(cancelToken);
productMonitorTask.CompleteEvent.Set();
restockMonitorTask.CompleteEvent.Set();
});
TierControl.ReleaseQuota(Release.TasksCount, Release.Footsite.Type);
State = ReleaseTaskState.Idle;
}
return(ret);
}