private bool DeleteInstanceInternal(IComparable instanceId, bool replicate, long evictionVersion)
{
Requires.Argument("instanceId", instanceId).NotNull();
StatefulServiceExecutionContext executionContext = StatefulServiceExecutionContext.Current as StatefulServiceExecutionContext;
if (executionContext == null || executionContext.Partition == null)
{
throw new InvalidOperationException("Program instance cannot be obtained outside context of a partition. Please ensure that StatefulServiceReplicaT.Invoke is called.");
}
StatefulProgramInstance instance = null;
ItemCollection <IComparable, StatefulProgramInstance> instances;
using (this.instanceManager.GetInstances(LockPermission.Write, out instances))
{
if (instances.Contains(instanceId))
{
instance = (StatefulProgramInstance)instances[instanceId];
if (evictionVersion != -2 && !instance.CanEvict(evictionVersion))
{
return(false);
}
instances.Remove(instanceId);
((IDisposable)instance).Dispose();
}
}
if (instance != null)
{
if (replicate)
{
Replicable <StatefulProgramInstance> replicable = new Replicable <StatefulProgramInstance>(instance.Id.ToString(), instance);
ReplicationScope replicationScope = new ReplicationScope(new Replicable[] { replicable }, ReplicationOperationType.Evict);
replicationScope.ReplicateAsync().ContinueWith(
task =>
{
ReplicationResult result = task.IsFaulted ? ReplicationResult.Failed : task.Result;
if (result != ReplicationResult.Success)
{
AppTrace.TraceMsg(TraceLogEventType.Warning, "StatefulServiceReplicaT.DeleteInstanceInternal", "Replication call to dispose the instance with id {0} failed.", instance.Id);
}
},
TaskContinuationOptions.ExecuteSynchronously);
}
return(true);
}
else
{
return(false);
}
}
public void Notify()
{
ReplicationResult result = new ReplicationResult();
result.OperatorNodeID = NotifyingNode;
result.Description = null;
result.LastNodeID = null;
result.LastUSN = 0;
result.LastChange = DateTime.Now.Ticks;
result.ReplicationStatus = ReplicationStatus.Notify;
result.Save();
}
protected override bool Run(object parameters)
{
#if DEBUG
Shared.EventLog.Debug("RepThread " + System.Reflection.MethodBase.GetCurrentMethod().Name);
#endif
DatabaseConnection connection = (DatabaseConnection)parameters;
bool tableUpdated = false;
TimeSpan ts = new TimeSpan(0, 2, 0);
if (!_IsRunning && (DateTime.Now - _lastCheckUpdates) >= ts)
{
try
{
_lastCheckUpdates = DateTime.Now;
// are we looking for remote updates to the database
if (connection.RemoteUpdate)
{
AddToLogFile(String.Format("{0} Checking Version", ConnectionName));
API api = new API();
try
{
DatabaseRemoteUpdate remoteUpdate = new DatabaseRemoteUpdate();
try
{
remoteUpdate.OnNewMessage += DatabaseRemoteUpdate_OnNewMessage;
int version = Version;
if (remoteUpdate.CheckForDatabaseUpdates(connection.Name,
connection.ChildDatabase,
connection.RemoteUpdateXML, connection.RemoteUpdateLocation,
ref version, ref tableUpdated))
{
Version = version;
if (api.UpdateCurrentDatabaseVersion(connection, version))
{
string fileName = String.Empty;
if (connection.ReplicateDatabase && connection.ReplicateUpdateTriggers && tableUpdated)
{
if (connection.ReplicationType == ReplicationType.Child)
{
//create replication triggers if needed and new database users
ReplicationPrepareChildDatabase repEng = new ReplicationPrepareChildDatabase();
try
{
if (tableUpdated)
{
AddToLogFile(String.Format("{0} Rebuilding Child Replication Triggers", ConnectionName));
}
if (repEng.PrepareDatabaseForReplication(_databaseConnection.ChildDatabase,
tableUpdated, false, ref fileName, remoteUpdate))
{
AddToLogFile(String.Format("{0} Replication Child Triggers Rebuilt", ConnectionName));
}
}
finally
{
repEng = null;
}
}
else if (connection.ReplicationType == ReplicationType.Master)
{
//create replication triggers if needed and new database users
ReplicationPrepareMasterDatabase repEng = new ReplicationPrepareMasterDatabase();
try
{
if (tableUpdated)
{
AddToLogFile(String.Format("{0} Rebuilding Master Replication Triggers", ConnectionName));
}
if (repEng.PrepareDatabaseForReplication(_databaseConnection.ChildDatabase,
tableUpdated, false, ref fileName, remoteUpdate))
{
AddToLogFile(String.Format("{0} Replication Master Triggers Rebuilt", ConnectionName));
}
}
finally
{
repEng = null;
}
}
}
}
}
}
finally
{
remoteUpdate.OnNewMessage -= DatabaseRemoteUpdate_OnNewMessage;
remoteUpdate = null;
}
}
finally
{
api = null;
}
}
// are we backing up the database
if (connection.BackupDatabase)
{
DateTime compare = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day,
connection.BackupAfterTime.Hour, connection.BackupAfterTime.Minute, 0);
TimeSpan spanLastBackup = DateTime.Now - connection.LastBackupTime;
if (
(
(!connection.BackupAfterTimeEnabled ||
(connection.BackupAfterTimeEnabled && DateTime.Now.Subtract(compare).TotalMinutes >= 0)
) ||
(spanLastBackup.TotalDays >= 1.0)
))
{
AddToLogFile(String.Format("{0} Checking Backup", ConnectionName));
CheckLatestDBBackup();
}
else
{
}
}
}
catch (Exception errUB)
{
Shared.EventLog.Add(errUB);
}
}
int missingRecordCount = 0;
try
{
if (CanReplicate && connection.ReplicationType == ReplicationType.Child)
{
ts = new TimeSpan(0, _runInterval, 0); // xx minute increments
// has it been xx minutes since last run?
if (!_IsRunning && (DateTime.Now - LastRunReplication) >= ts)
{
AddToLogFile(String.Format("Run Replication {0}", ConnectionName));
_IsRunning = true;
//properties
_replicationEngine = new ReplicationEngine(
ConnectionName,
_databaseConnection.ReplicateDatabase,
_databaseConnection.ChildDatabase,
_databaseConnection.MasterDatabase);
try
{
_replicationEngine.Validate = true;
// settings
_replicationEngine.VerifyAllDataInterval = (int)_databaseConnection.VerifyDataInterval;
_replicationEngine.VerifyTableCounts = 20;
#if ERROR_LIMIT_30000
_replicationEngine.ForceRestartErrorCount = 30000;
#else
_replicationEngine.ForceRestartErrorCount = (int)_databaseConnection.VerifyErrorReset;
#endif
_replicationEngine.MaximumDownloadCount = (int)_databaseConnection.MaximumDownloadCount;
_replicationEngine.MaximumUploadCount = (int)_databaseConnection.MaximumUploadCount;
_replicationEngine.TimeOutMinutes = (int)_databaseConnection.TimeOut;
_replicationEngine.RequireUniqueAccess = _databaseConnection.RequireUniqueAccess;
// event hookups
_replicationEngine.OnProgress += new ReplicationPercentEventArgs(rep_OnProgress);
_replicationEngine.OnReplicationTextChanged += new ReplicationProgress(rep_OnReplicationTextChanged);
_replicationEngine.BeginReplication += new ReplicationEventHandler(rep_BeginReplication);
_replicationEngine.EndReplication += new ReplicationEventHandler(rep_EndReplication);
_replicationEngine.OnReplicationError += new ReplicationError(rep_OnReplicationError);
_replicationEngine.OnIDChanged += rep_OnIDChanged;
_replicationEngine.OnCheckCancel += _replicationEngine_OnCheckCancel;
//are we forcing hard confirm between certain hours?
if (!ForceVerifyRecords)
{
ForceVerifyRecords = ForceConfirmBasedOnHoursOrIterations();
}
_replicationError = _replicationEngine.Run(_allowConfirmCounts, ForceVerifyRecords);
missingRecordCount = _replicationEngine.MissingRecordCount;
switch (_replicationError)
{
case ReplicationResult.ThresholdExceeded:
_runInterval = 0;
break;
case ReplicationResult.UniqueAccessDenied:
// we do not reset force hard confirm here as it was set before the run
//_forceHardConfirm = _forceHardConfirm;
_runInterval = (int)_databaseConnection.ReplicateInterval;
break;
}
if (ForceVerifyRecords && (missingRecordCount >= _databaseConnection.VerifyErrorReset))
{
AddToLogFile(String.Format("{0} Force Verify Records Missing Records Exceeded", ConnectionName));
ForceVerifyRecords = true;
_runInterval = 0;
// get list of confirmed tables so we don't scan them next time
//_confirmedTables = _replicationEngine.TablesConfirmedCorrect;
}
else
{
switch (_replicationError)
{
case ReplicationResult.TimeOutExceeded:
//_confirmedTables = _replicationEngine.TablesConfirmedCorrect;
_runInterval = (int)_databaseConnection.ReplicateInterval;
AddToLogFile(String.Format("{0} Time out exceeded, restarting", ConnectionName));
break;
case ReplicationResult.ThresholdExceeded:
//_confirmedTables = _replicationEngine.TablesConfirmedCorrect;
// we do not reset force hard confirm here as it was set before the run
//_forceHardConfirm = _forceHardConfirm;
_runInterval = 0;
break;
case ReplicationResult.UniqueAccessDenied:
//_confirmedTables = _replicationEngine.TablesConfirmedCorrect;
_runInterval = (int)_databaseConnection.ReplicateInterval;
AddToLogFile(String.Format("{0} Unique access for deep scan not allowed, retry next time...", ConnectionName));
break;
case ReplicationResult.Error:
case ReplicationResult.DeepScanInitialised:
//_confirmedTables = _replicationEngine.TablesConfirmedCorrect;
_runInterval = 0;
break;
case ReplicationResult.NotInitialised:
case ReplicationResult.Cancelled:
case ReplicationResult.Completed:
case ReplicationResult.DeepScanCompleted:
ForceVerifyRecords = false;
//_confirmedTables = String.Empty;
_replicationEngine.Statuses.Clear();
_runInterval = (int)_databaseConnection.ReplicateInterval;
break;
}
}
}
finally
{
_replicationEngine.Dispose();
_replicationEngine = null;
}
_IsRunning = false;
LastRunReplication = DateTime.Now;
_replicationCount++;
//log management
Shared.EventLog.ArchiveOldLogFiles();
}
}
TimeSpan t = LastRunReplication.AddMinutes(_runInterval) - DateTime.Now;
SendToTCPClients(String.Format("Sleeping, time until next run {0}", t.ToString().Substring(0, 8)));
}
catch (Exception err)
{
Shared.EventLog.Add(err);
_IsRunning = false;
AddToLogFile(String.Format("{0} {1}", ConnectionName, err.Message));
AddToLogFile(err.StackTrace.ToString());
LastRunReplication = DateTime.Now;
}
finally
{
IndicateNotHanging();
}
return(true);
}
// 启动一般监控任务
public static void StartMonitorTask()
{
if (_monitorTask != null)
{
return;
}
PerdayTask.StartPerdayTask();
CancellationToken token = _cancel.Token;
// bool download_complete = false;
token.Register(() =>
{
_eventMonitor.Set();
});
_monitorTask = Task.Factory.StartNew(async() =>
{
WpfClientInfo.WriteInfoLog("书柜监控专用线程开始");
try
{
while (token.IsCancellationRequested == false)
{
// await Task.Delay(TimeSpan.FromSeconds(10));
_eventMonitor.WaitOne(_monitorIdleLength);
token.ThrowIfCancellationRequested();
// ***
// 关闭天线射频
if (_tagAdded)
{
_ = Task.Run(async() =>
{
try
{
await SelectAntennaAsync();
}
catch (Exception ex)
{
WpfClientInfo.WriteErrorLog($"关闭天线射频 SelectAntennaAsync() 时出现异常: {ExceptionUtil.GetDebugText(ex)}");
}
});
_tagAdded = false;
}
if (DateTime.Now - _lastDetectTime > _detectPeriod)
{
DetectLibraryNetwork();
_lastDetectTime = DateTime.Now;
}
// 提醒关门
WarningCloseDoor();
// 下载或同步读者信息
string startDate = LoadStartDate();
if (/*download_complete == false || */
string.IsNullOrEmpty(startDate) &&
_replicatePatronError == 0)
{
// 如果 Config 中没有记载断点位置，说明以前从来没有首次同步过。需要进行一次首次同步
if (string.IsNullOrEmpty(startDate))
{
// SaveStartDate("");
var repl_result = await PatronReplication.DownloadAllPatronRecordAsync(
(text) =>
{
WpfClientInfo.WriteInfoLog(text);
PageShelf.TrySetMessage(null, text);
},
token);
if (repl_result.Value == -1)
{
// TODO: 判断通讯出错的错误码。如果是通讯出错，则稍后需要重试下载
_replicatePatronError++;
}
else
{
SaveStartDate(repl_result.StartDate);
}
// 立刻允许接着做一次零星同步
ActivateMonitor();
}
// download_complete = true;
}
else
{
// 进行零星同步
if (DateTime.Now - _lastReplicateTime > _replicatePeriod)
{
// string startDate = LoadStartDate();
// testing
// startDate = "20200507:0-";
if (string.IsNullOrEmpty(startDate) == false)
{
string endDate = DateTimeUtil.DateTimeToString8(DateTime.Now);
// parameters:
// strLastDate 处理中断或者结束时返回最后处理过的日期
// last_index 处理或中断返回时最后处理过的位置。以后继续处理的时候可以从这个偏移开始
// return:
// -1 出错
// 0 中断
// 1 完成
ReplicationResult repl_result = await PatronReplication.DoReplication(
startDate,
endDate,
LogType.OperLog,
token);
if (repl_result.Value == -1)
{
WpfClientInfo.WriteErrorLog($"同步出错: {repl_result.ErrorInfo}");
}
else if (repl_result.Value == 1)
{
string lastDate = repl_result.LastDate + ":" + repl_result.LastIndex + "-"; // 注意 - 符号不能少。少了意思就会变成每次只获取一条日志记录了
SaveStartDate(lastDate);
}
_lastReplicateTime = DateTime.Now;
}
}
}
}
_monitorTask = null;
}
catch (OperationCanceledException)
{
}
catch (Exception ex)
{
WpfClientInfo.WriteErrorLog($"书柜监控专用线程出现异常: {ExceptionUtil.GetDebugText(ex)}");
App.SetError("shelf_monitor", $"书柜监控专用线程出现异常: {ex.Message}");
}
finally
{
WpfClientInfo.WriteInfoLog("书柜监控专用线程结束");
}
},
token,
TaskCreationOptions.LongRunning,
TaskScheduler.Default);
}
protected internal sealed override IEnumerable <Replicable> ReplicationOperationComplete(StatefulServiceExecutionContext executionContext, ReplicationResult result, ReplicationOperation replicationOperation)
{
if (this.IsDisposed)
{
AppTrace.TraceMsg(TraceLogEventType.Information, "StatefulServiceReplicaT.ReplicationOperationComplete", "ReplicationOperationComplete called after service was disposed");
return(Enumerable.Empty <Replicable>());
}
StatefulProgramInstance instance = null;
Replicable <StatefulProgramInstance> replicableToCommit = replicationOperation.Replicables.FirstOrDefault() as Replicable <StatefulProgramInstance>;
if (replicableToCommit != null)
{
instance = this.instanceManager.GetInstance(replicableToCommit.Value.Id) as StatefulProgramInstance;
if (instance != null)
{
instance.SetContextInstanceId();
}
else if (replicableToCommit.Value != null)
{
Debug.Assert(replicationOperation.Type == ReplicationOperationType.Evict, "Unexpected operation type");
replicableToCommit.Value.SetContextInstanceId();
}
else
{
Debug.Assert(false, "replicableToCommit.Value is null");
}
}
AppTrace.TraceMsg(
TraceLogEventType.Information,
"StatefulComponent.ReplicationOperationComplete",
"replicationOperation.Type={0}, result={1}, replicables.Count={2}, replicableToCommit={3}, programInstance={4}",
replicationOperation.Type,
result,
replicationOperation.Replicables.Count(),
replicableToCommit != null ? replicableToCommit.Name : "Null",
instance != null ? instance.Id : "Null");
IEnumerable <Replicable> replicablesToCommit = null;
if (replicationOperation.Type == ReplicationOperationType.Replicate)
{
if (result == ReplicationResult.Success)
{
List <Replicable> changes = new List <Replicable>();
if (replicableToCommit.IsDisposed)
{
foreach (Replicable replicable in replicableToCommit.Value.DataContractReplicables)
{
changes.Add(replicable);
}
}
else
{
ItemCollection <string, Replicable> replicables;
using (instance.GetReplicables(LockPermission.Write, out replicables))
{
foreach (Replicable replicable in replicableToCommit.Value.DataContractReplicables)
{
if (replicables.Contains(replicable.Name))
{
replicables.Remove(replicable.Name);
replicables.Add(replicable);
}
else
{
replicables.Add(replicable);
}
changes.Add(replicable);
}
}
}
replicablesToCommit = changes;
}
else
{
if (instance != null)
{
AppTrace.TraceMsg(TraceLogEventType.Error, "StatefulServiceReplicaT.ReplicationOperationComplete", "Recycling StatefulProgramInstance with id '{0}'", instance.Id);
instance.RecycleInstance();
}
replicablesToCommit = base.ReplicationOperationComplete(executionContext, result, replicationOperation);
}
}
if (replicablesToCommit == null)
{
replicablesToCommit = base.ReplicationOperationComplete(executionContext, result, replicationOperation);
}
return(replicablesToCommit);
}
static void Main(string[] args)
{
Console.WriteLine("Microsoft (R) UDDI Monitor Utility");
Console.WriteLine("Copyright (C) Microsoft Corp. 2002. All rights reserved.\r\n");
try
{
ProcessCommandLine(args);
ArrayList results = new ArrayList();
ConnectionManager.Open(false, false);
//
// Get the list of known operatorNodes.
//
OperatorNodeCollection operatorNodes = new OperatorNodeCollection();
operatorNodes.Get();
//
// Get the last notification message status for each operator.
//
foreach (OperatorNode operatorNode in operatorNodes)
{
ReplicationResult result = new ReplicationResult();
result.GetLast(operatorNode.OperatorNodeID, true);
results.Add(result);
}
//
// Monitor changes to operator status every 5 seconds.
//
while (true)
{
Console.WriteLine("Polling for new notifications: {0}. Press Ctrl+C to stop.", DateTime.Now);
for (int i = 0; i < operatorNodes.Count; i++)
{
ReplicationResult lastResult = (ReplicationResult)results[i];
ReplicationResult result = new ReplicationResult();
result.GetLast(operatorNodes[i].OperatorNodeID, true);
//
// Check to see if a notification message has been received
//
if (result.LastChange > lastResult.LastChange)
{
DateTime time = new DateTime(result.LastChange);
Console.WriteLine(
"\r\n\tnotify_changeRecordsAvailable detected\r\n\t\tNode: {0}\r\n\t\tTime: {1}",
result.OperatorNodeID,
time);
//
// Execute the specified file.
//
Console.WriteLine(
"\t\tStarting: {0} -o {1}",
Program,
result.OperatorNodeID);
Process process = Process.Start(Program, "-o " + result.OperatorNodeID);
process.WaitForExit();
Console.WriteLine(
"\t\tReturn code: {0}\r\n",
process.ExitCode);
//
// Save the current notify result so that we don't
// reprocess.
//
results[i] = result;
}
}
System.Threading.Thread.Sleep(PollInterval);
}
}
catch (CommandLineException e)
{
if (null != e.Message && e.Message.Length > 0)
{
Console.WriteLine(e.Message);
Console.WriteLine();
}
else
{
DisplayUsage();
}
}
catch (Exception e)
{
Console.WriteLine("Exception: {0}", e.ToString());
}
finally
{
ConnectionManager.Close();
}
return;
}
// 启动一般监控任务
public static void StartMonitorTask()
{
if (_monitorTask != null)
{
return;
}
CancellationToken token = _cancel.Token;
bool download_complete = false;
token.Register(() =>
{
_eventMonitor.Set();
});
_monitorTask = Task.Factory.StartNew(async() =>
{
WpfClientInfo.WriteInfoLog("监控专用线程开始");
try
{
while (token.IsCancellationRequested == false)
{
// await Task.Delay(TimeSpan.FromSeconds(10));
_eventMonitor.WaitOne(_monitorIdleLength);
token.ThrowIfCancellationRequested();
// ***
// 关闭天线射频
if (_tagAdded)
{
_ = Task.Run(async() =>
{
try
{
await SelectAntennaAsync();
}
catch (Exception ex)
{
WpfClientInfo.WriteErrorLog($"关闭天线射频 SelectAntennaAsync() 时出现异常: {ExceptionUtil.GetDebugText(ex)}");
}
});
_tagAdded = false;
}
if (DateTime.Now - _lastDetectTime > _detectPeriod)
{
DetectLibraryNetwork();
_lastDetectTime = DateTime.Now;
}
// 提醒关门
WarningCloseDoor();
// 下载或同步读者信息
string startDate = LoadStartDate();
if (/*download_complete == false || */
string.IsNullOrEmpty(startDate))
{
// 如果 Config 中没有记载断点位置，说明以前从来没有首次同步过。需要进行一次首次同步
if (string.IsNullOrEmpty(startDate))
{
// SaveStartDate("");
var repl_result = await PatronReplication.DownloadAllPatronRecordAsync(token);
if (repl_result.Value == -1)
{
// TODO: 判断通讯出错的错误码。如果是通讯出错，则稍后需要重试下载
}
else
{
SaveStartDate(repl_result.StartDate);
}
// 立刻允许接着做一次零星同步
ActivateMonitor();
}
// download_complete = true;
}
else
{
// 进行零星同步
if (DateTime.Now - _lastReplicateTime > _replicatePeriod)
{
// string startDate = LoadStartDate();
// testing
// startDate = "20200507:0-";
if (string.IsNullOrEmpty(startDate) == false)
{
string endDate = DateTimeUtil.DateTimeToString8(DateTime.Now);
// parameters:
// strLastDate 处理中断或者结束时返回最后处理过的日期
// last_index 处理或中断返回时最后处理过的位置。以后继续处理的时候可以从这个偏移开始
// return:
// -1 出错
// 0 中断
// 1 完成
ReplicationResult repl_result = PatronReplication.DoReplication(
startDate,
endDate,
LogType.OperLog,
token);
if (repl_result.Value == -1)
{
WpfClientInfo.WriteErrorLog($"同步出错: {repl_result.ErrorInfo}");
}
else if (repl_result.Value == 1)
{
string lastDate = repl_result.LastDate + ":" + repl_result.LastIndex + "-"; // 注意 - 符号不能少。少了意思就会变成每次只获取一条日志记录了
SaveStartDate(lastDate);
}
_lastReplicateTime = DateTime.Now;
}
}
}
// 检查升级 dp2ssl
if (_updated == false
// && StringUtil.IsDevelopMode() == false
&& ApplicationDeployment.IsNetworkDeployed == false &&
DateTime.Now - _lastUpdateTime > _updatePeriod)
{
WpfClientInfo.WriteInfoLog("开始自动检查升级");
// result.Value:
// -1 出错
// 0 经过检查发现没有必要升级
// 1 成功
// 2 成功，但需要立即重新启动计算机才能让复制的文件生效
var update_result = await GreenInstaller.InstallFromWeb("http://dp2003.com/dp2ssl/v1_dev",
"c:\\dp2ssl",
"delayExtract,updateGreenSetupExe",
//true,
//true,
token,
null);
if (update_result.Value == -1)
{
WpfClientInfo.WriteErrorLog($"自动检查升级出错: {update_result.ErrorInfo}");
}
else
{
WpfClientInfo.WriteInfoLog($"结束自动检查升级 update_result:{update_result.ToString()}");
}
if (update_result.Value == 1 || update_result.Value == 2)
{
App.TriggerUpdated("重启可使用新版本");
_updated = true;
PageShelf.TrySetMessage(null, "dp2SSL 升级文件已经下载成功，下次重启时可自动升级到新版本");
}
_lastUpdateTime = DateTime.Now;
}
}
_monitorTask = null;
}
catch (OperationCanceledException)
{
}
catch (Exception ex)
{
WpfClientInfo.WriteErrorLog($"监控专用线程出现异常: {ExceptionUtil.GetDebugText(ex)}");
App.SetError("monitor", $"监控专用线程出现异常: {ex.Message}");
}
finally
{
WpfClientInfo.WriteInfoLog("监控专用线程结束");
}
},
token,
TaskCreationOptions.LongRunning,
TaskScheduler.Default);
}