public virtual async System.Threading.Tasks.Task Execute(Quartz.IJobExecutionContext context)
{
if (context.CancellationToken.IsCancellationRequested)
{
Console.WriteLine("取消执行。");
return;
}
try
{
DistributingData disriObj =
context.JobDetail.JobDataMap.Get("distriData") as DistributingData;
Console.WriteLine(@"%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%" + disriObj.DistributeFlag + disriObj.PageIndex.ToString());
}
catch (Exception ep)
{
Quartz.JobExecutionException jobep = new Quartz.JobExecutionException();
//jobep.RefireImmediately=false;
throw jobep;
}
}
public Task TriggerFired(ITrigger trigger, IJobExecutionContext context, CancellationToken cancellationToken = default(CancellationToken))
{
ILoggerFactory loggerFact = Program.Host.Services.GetService <ILoggerFactory>();
var _logger = loggerFact.CreateLogger <ZookeeperService>();
_logger.LogInformation(0, null, "开始执行job.name:{0} group：{1}", context.JobDetail.Key.Name, context.JobDetail.Key.Group);
string machine = Environment.MachineName;
try
{
var customerAttri = context.JobDetail.JobType.GetCustomAttributes(false);
foreach (var customer in customerAttri)
{
if (customer is DistributingAttributes)
{
var distri = customer as DistributingAttributes;
var zookeeper = Program.Host.Services.GetService <IZookeeperService>();
string currentTempNodeName = string.Empty;
string fullPath = "/lock/" + context.JobDetail.Key.Name + context.JobDetail.Key.Group;
int flag = 0;
//Repeat:
string jsonData = zookeeper.GetDataByLockNode(fullPath, "getlock"
, ZooDefs.Ids.OPEN_ACL_UNSAFE, out currentTempNodeName);
if (string.IsNullOrEmpty(currentTempNodeName))
{
_logger.LogError("获取锁失败。节点：{0},锁前缀：{1},重试：{2}", fullPath, "getlock", flag);
// if(flag<=2)
// {
// flag = flag + 1;
// goto Repeat;
// }
VoteJob = true;
_logger.LogError("获取分片失败，取消job执行，等待下次。");
return(Task.FromResult(false));
//context.Scheduler.Interrupt(context.JobDetail.Key);
}
QuartzDbContext db = Program.Host.Services.GetService <QuartzDbContext>();
var item = db.QuartzTask.Where(w => w.IsDelete == 0 &&
w.TaskName == context.JobDetail.Key.Name &&
w.GroupName == context.JobDetail.Key.Group &&
w.MachineName == machine &&
w.InstanceId == context.Scheduler.SchedulerInstanceId).FirstOrDefault();
if (item != null)
{
//TODO 这里可以找出机器名，拼接处api，可以查看主机是否存活，从而将一些挂起的任务重新分配。
}
string distributeFlag = item.MachineName + item.InstanceId;
List <DistributingData> distriData = new List <DistributingData>();
DistributingData currentDistriEntity = new DistributingData();
if (string.IsNullOrEmpty(jsonData))
{
currentDistriEntity = new DistributingData
{
DistributeFlag = distributeFlag,
PageIndex = 1,
PageSize = Program.QuartzOpt.CustomerRecordCountForTest //配置
};
distriData.Add(currentDistriEntity);
}
else
{
distriData = Newtonsoft.Json.JsonConvert.DeserializeObject <List <DistributingData> >(jsonData);
if (distriData == null || distriData.Count() < 1)
{
currentDistriEntity = new DistributingData
{
DistributeFlag = distributeFlag,
PageIndex = 1,
PageSize = Program.QuartzOpt.CustomerRecordCountForTest //配置
};
distriData.Add(currentDistriEntity);
}
else
{
currentDistriEntity = distriData.Where(w => w.DistributeFlag == distributeFlag).SingleOrDefault();
if (currentDistriEntity == null)
{
var maxPageIndex = distriData.Max(w => w.PageIndex);
maxPageIndex = maxPageIndex + 1;
var entity = new DistributingData
{
DistributeFlag = distributeFlag,
PageIndex = maxPageIndex,
PageSize = Program.QuartzOpt.CustomerRecordCountForTest //配置
};
distriData.Add(entity);
}
else
{
var maxPageIndex = distriData.Max(w => w.PageIndex);
maxPageIndex = maxPageIndex + 1;
currentDistriEntity.PageIndex = maxPageIndex;
}
}
}
item.Remark = Newtonsoft.Json.JsonConvert.SerializeObject(currentDistriEntity);
db.Update(item);
db.SaveChanges();
string resultData = Newtonsoft.Json.JsonConvert.SerializeObject(distriData);
context.JobDetail.JobDataMap.Put("distriData", currentDistriEntity);
zookeeper.SetDataAsync(fullPath
, resultData, false).GetAwaiter().GetResult();
zookeeper.DeleteNode(currentTempNodeName);
_logger.LogInformation("分片执行：{0}", resultData);
}
}
}
catch (ConnectionLossException cle)
{
VoteJob = true;
_logger.LogError(cle, "获取同步锁出现错误。连接丢失");
}
catch (SessionExpiredException sep)
{
VoteJob = true;
_logger.LogError(sep, "获取同步锁出现错误。连接过期");
}
catch (KeeperException kep)
{
VoteJob = true;
_logger.LogError(kep, "获取同步锁出现错误。操作zookeeper出错");
}
catch (Exception ep)
{
try
{
_logger.LogError(0, ep, "分片失败。");
//context.Scheduler.DeleteJob(context.JobDetail.Key).GetAwaiter().GetResult();
VoteJob = true;
QuartzDbContext db = Program.Host.Services.GetService <QuartzDbContext>();
var item = db.QuartzTask.Where(w => w.IsDelete == 0 &&
w.TaskName == context.JobDetail.Key.Name &&
w.GroupName == context.JobDetail.Key.Group &&
w.MachineName == machine &&
w.InstanceId == context.Scheduler.SchedulerInstanceId).FirstOrDefault();
if (item == null)
{
_logger.LogError(0, ep, "分片失败，获取数据库记录失败。");
}
else
{
item.Status = (int)TaskStatus.Canceled;
item.OperateStatus = (int)OperateStatus.Stop;
item.Remark = ep.ToString();
db.Update(item);
db.SaveChanges();
}
}
catch (Exception eep)
{
_logger.LogError(0, eep, "分片失败，更新数据库失败。");
}
}
return(Task.FromResult(true));
}