public void OnPerforming(PerformingContext filterContext)
{
//设置新的分布式锁,分布式锁会阻止两个相同的任务并发执行，用方法名称和JobName
var jobresource = $"{filterContext.BackgroundJob.Job.Method.Name}.{filterContext.BackgroundJob.Job.Args[1]}";
var locktimeout = TimeSpan.FromSeconds(_timeoutInSeconds);
try
{
var jobItem = filterContext.BackgroundJob.Job.Args.FirstOrDefault();
var job = jobItem as HttpJobItem;
var jobKey = string.Empty;
if (job != null)
{
var isCronJob = !string.IsNullOrEmpty(job.Cron);
jobKey = isCronJob ? job.JobName : filterContext.BackgroundJob.Id;
var conts = filterContext.Connection.GetAllItemsFromSet($"JobPauseOf:{jobKey}");
if (conts.Contains("true"))
{
filterContext.Canceled = true;//任务被暂停不执行直接跳过
return;
}
if (!string.IsNullOrEmpty(job.JobName))
{
filterContext.BackgroundJob.Id.AddTags(job.JobName);
}
}
//设置运行时被设置的参数
try
{
var hashKey = CodingUtil.MD5(jobKey + ".runtime");
var excuteDataList = filterContext.Connection.GetAllEntriesFromHash(hashKey);
if (excuteDataList != null && excuteDataList.Any())
{
filterContext.Items.Add("runtimeKey", hashKey);
//一次性的数据
filterContext.Items.Add("runtimeKey_dic", excuteDataList);
foreach (var keyvalue in excuteDataList)
{
filterContext.Items.Add(keyvalue.Key, keyvalue.Value);
}
}
}
catch (Exception)
{
//ignore
}
//申请分布式锁
var distributedLock = filterContext.Connection.AcquireDistributedLock(jobresource, locktimeout);
filterContext.Items["DistributedLock"] = distributedLock;
}
catch (Exception ec)
{
filterContext.Canceled = true;
logger.Info($"[OnPerforming] BackgroundJob.Job.JObName:{filterContext.BackgroundJob.Job.Args[1]} AcquireDistributedLock Timeout,BackgroundJob.Id:{filterContext.BackgroundJob.Id},Exception:{ec}");
}
}
public void OnPerforming(PerformingContext filterContext)
{
var jobItem = filterContext.BackgroundJob.Job.Args.FirstOrDefault();
var job = jobItem as HttpJobItem;
if (job == null)
{
return;
}
var jobKey = ((!string.IsNullOrEmpty(job.RecurringJobIdentifier) ? job.RecurringJobIdentifier : job.JobName));
//设置新的分布式锁,分布式锁会阻止两个相同的任务并发执行，用方法名称和JobName
var jobresource = $"{CurrentProcessId}.{jobKey}";
var locktimeout = TimeSpan.FromSeconds(_timeoutInSeconds);
try
{
if (!string.IsNullOrEmpty(job.JobName) && (TagsServiceStorage.Current != null))
{
filterContext.BackgroundJob.Id.AddTags(job.JobName);
filterContext.BackgroundJob.Id.AddTags(job.GetUrlHost());
if (!string.IsNullOrEmpty(job.RecurringJobIdentifier) &&
!job.RecurringJobIdentifier.Equals(job.JobName))
{
filterContext.BackgroundJob.Id.AddTags(job.RecurringJobIdentifier);
}
}
//设置运行时被设置的参数
try
{
var hashKey = CodingUtil.MD5(jobKey + ".runtime");
var excuteDataList = filterContext.Connection.GetAllEntriesFromHash(hashKey);
if (excuteDataList != null && excuteDataList.Any())
{
filterContext.Items.Add("runtimeKey", hashKey);
//一次性的数据
filterContext.Items.Add("runtimeKey_dic", excuteDataList);
foreach (var keyvalue in excuteDataList)
{
filterContext.Items.Add(keyvalue.Key, keyvalue.Value);
}
}
}
catch (Exception)
{
//ignore
}
//申请分布式锁
var distributedLock = filterContext.Connection.AcquireDistributedLock(jobresource, locktimeout);
filterContext.Items["DistributedLock"] = distributedLock;
}
catch (Exception ec)
{
filterContext.Canceled = true;
logger.Warn($"[OnPerforming] BackgroundJob.Job.JObName:{filterContext.BackgroundJob.Job.Args[1]} AcquireDistributedLock Timeout,BackgroundJob.Id:{filterContext.BackgroundJob.Id},Exception:{ec}");
}
}
/// <inheritdoc />
public void OnStateElection(ElectStateContext context)
{
var jobdta = context.BackgroundJob.Job.Args.FirstOrDefault();
if (jobdta == null)
{
return;
}
var httpjob = jobdta as HttpJobItem;
if (httpjob != null && !httpjob.EnableRetry)
{
return;
}
var failedState = context.CandidateState as FailedState;
if (failedState == null)
{
// This filter accepts only failed job state.
return;
}
//var job = context.BackgroundJob.Job.Args.FirstOrDefault();
var retryAttempt = context.GetJobParameter <int>("RetryCount") + 1;
if (retryAttempt <= Attempts)
{
ScheduleAgainLater(context, retryAttempt, failedState);
return;
}
try
{
//删除Runtime数据 代表的是需要重试 但是已经重试到最大次数了
var hashKey = CodingUtil.MD5(context.BackgroundJob.Id + ".runtime");
context.Transaction.RemoveHash(hashKey);
}
catch (Exception)
{
//ignore
}
if (retryAttempt > Attempts && OnAttemptsExceeded == AttemptsExceededAction.Delete)
{
TransitionToDeleted(context, failedState);
}
else
{
if (LogEvents)
{
_logger.ErrorException(
$"Failed to process the job '{context.BackgroundJob.Id}': an exception occurred.",
failedState.Exception);
}
}
}
public void OnPerforming(PerformingContext filterContext)
{
var jobItem = filterContext.BackgroundJob.Job.Args.FirstOrDefault();
var job = jobItem as HttpJobItem;
if (job == null)
{
return;
}
try
{
if (!string.IsNullOrEmpty(job.JobName) && (TagsServiceStorage.Current != null))
{
filterContext.BackgroundJob.Id.AddTags(job.JobName);
if (!string.IsNullOrEmpty(job.RecurringJobIdentifier) &&
!job.RecurringJobIdentifier.Equals(job.JobName))
{
filterContext.BackgroundJob.Id.AddTags(job.RecurringJobIdentifier);
}
}
//设置运行时被设置的参数
try
{
var jobKey = ((!string.IsNullOrEmpty(job.RecurringJobIdentifier) ? job.RecurringJobIdentifier : job.JobName));
var hashKey = CodingUtil.MD5(jobKey + ".runtime");
var excuteDataList = filterContext.Connection.GetAllEntriesFromHash(hashKey);
if (excuteDataList != null && excuteDataList.Any())
{
filterContext.Items.Add("runtimeKey", hashKey);
//一次性的数据
filterContext.Items.Add("runtimeKey_dic", excuteDataList);
foreach (var keyvalue in excuteDataList)
{
filterContext.Items.Add(keyvalue.Key, keyvalue.Value);
}
}
}
catch (Exception)
{
//ignore
}
}
catch (Exception ec)
{
filterContext.Canceled = true;
logger.Warn($"[OnPerforming] BackgroundJob.Job.JObName:{filterContext.BackgroundJob.Job.Args[1]} AcquireDistributedLock Timeout,BackgroundJob.Id:{filterContext.BackgroundJob.Id},Exception:{ec}");
}
}
/// <inheritdoc />
public void OnStateElection(ElectStateContext context)
{
var jobdta = context.BackgroundJob.Job.Args.FirstOrDefault();
if (!(jobdta is HttpJobItem httpjob))
{
return;
}
if (!httpjob.EnableRetry)
{
return;
}
//如果先执行失败的话 就直接失败
var failedState = context.CandidateState as FailedState;
if (failedState == null)
{
// This filter accepts only failed job state.
return;
}
var retryTimesLimit = Attempts;
var retryAttempt = context.GetJobParameter <int>("RetryCount") + 1;
if (httpjob.RetryTimes > 0)
{
//自定义设置了超时配置
retryTimesLimit = httpjob.RetryTimes;
}
if (retryAttempt <= retryTimesLimit)
{
ScheduleAgainLater(context, retryAttempt, retryTimesLimit, failedState);
return;
}
try
{
var isCronJob = !string.IsNullOrEmpty(httpjob.Cron);
var jobKey = isCronJob ? ((!string.IsNullOrEmpty(httpjob.RecurringJobIdentifier)?httpjob.RecurringJobIdentifier:httpjob.JobName)) : context.BackgroundJob.Id;
//删除Runtime数据 代表的是需要重试 但是已经重试到最大次数了
var hashKey = CodingUtil.MD5(jobKey + ".runtime");
context.Transaction.RemoveHash(hashKey);
}
catch (Exception)
{
//ignore
}
if (retryAttempt > retryTimesLimit && OnAttemptsExceeded == AttemptsExceededAction.Delete)
{
TransitionToDeleted(context, failedState);
}
else
{
if (LogEvents)
{
_logger.ErrorException(
$"Failed to process the job '{context.BackgroundJob.Id}': an exception occurred.",
failedState.Exception);
}
}
}
