public void ChangeActiveServerForThirdParty(string newActiveServerName, TimeSpan lockTimeout)
{
using (AmDatabaseOperationLock.Lock(base.DatabaseGuid, AmDbLockReason.Move, new TimeSpan?(lockTimeout)))
{
if (!base.State.IsAdminDismounted)
{
throw new ChangeActiveServerException(base.DatabaseGuid, newActiveServerName, ReplayStrings.TPRChangeFailedBecauseNotDismounted);
}
AmServerName activeServer = base.State.ActiveServer;
AmServerName amServerName = new AmServerName(newActiveServerName);
if (activeServer.Equals(amServerName))
{
throw new ChangeActiveServerException(base.DatabaseGuid, newActiveServerName, ReplayStrings.TPRChangeFailedBecauseAlreadyActive(activeServer.ToString()));
}
IAmBcsErrorLogger errorLogger = new AmBcsSingleCopyFailureLogger();
AmBcsServerChecks checks = AmBcsServerChecks.DebugOptionDisabled | AmBcsServerChecks.ClusterNodeUp | AmBcsServerChecks.DatacenterActivationModeStarted | AmBcsServerChecks.AutoActivationAllowed;
LocalizedString empty = LocalizedString.Empty;
AmBcsServerValidation amBcsServerValidation = new AmBcsServerValidation(amServerName, activeServer, base.Database, base.Config, errorLogger, null);
if (!amBcsServerValidation.RunChecks(checks, ref empty))
{
AmTrace.Error("ChangeActiveServerForThirdParty: DB {0}: ValidateServer() returned error: {1}", new object[]
{
base.DatabaseName,
empty
});
throw new ChangeActiveServerException(base.DatabaseGuid, newActiveServerName, ReplayStrings.TPRChangeFailedServerValidation(base.DatabaseName, newActiveServerName, empty));
}
base.WriteStateMountSkipped(amServerName);
this.UpdateAdProperties(true, activeServer);
ReplayCrimsonEvents.TPRChangeActiveServerSucceeded.Log <string, Guid, AmServerName, AmServerName>(base.DatabaseName, base.DatabaseGuid, activeServer, amServerName);
}
}
public static void AssertLockIsHeldByMe(Guid dbId)
{
lock (AmDatabaseOperationLock.s_lockTable)
{
AmDatabaseOperationLock amDatabaseOperationLock = null;
if (AmDatabaseOperationLock.s_lockTable.TryGetValue(dbId, out amDatabaseOperationLock) && amDatabaseOperationLock != null)
{
AmDatabaseOperationLock.GetThreadId();
}
}
}
public static AmDatabaseOperationLock Lock(Guid dbId, AmDbLockReason reason, TimeSpan?timeout)
{
AmDatabaseOperationLock amDatabaseOperationLock = null;
AmDatabaseOperationLock amDatabaseOperationLock2 = new AmDatabaseOperationLock();
amDatabaseOperationLock2.m_reason = reason;
amDatabaseOperationLock2.m_dbId = dbId;
amDatabaseOperationLock2.m_threadId = AmDatabaseOperationLock.GetThreadId();
lock (AmDatabaseOperationLock.s_lockTable)
{
if (AmDatabaseOperationLock.s_lockTable.TryGetValue(dbId, out amDatabaseOperationLock) && amDatabaseOperationLock != null)
{
AmTrace.Error("AmDatabaseOperationLock: conflict on db {0}. Requesting for {1} but held by {2} for {3}", new object[]
{
dbId,
reason,
amDatabaseOperationLock.ThreadId,
amDatabaseOperationLock.Reason
});
if (timeout == null || timeout.Value.Ticks == 0L || amDatabaseOperationLock.m_waiter != null)
{
throw new AmDbLockConflictException(dbId, reason.ToString(), amDatabaseOperationLock.Reason.ToString());
}
amDatabaseOperationLock2.m_waiterEvent = new ManualResetEvent(false);
amDatabaseOperationLock2.m_mustWaitForLock = true;
amDatabaseOperationLock.m_waiter = amDatabaseOperationLock2;
}
else
{
AmDatabaseOperationLock.s_lockTable[dbId] = amDatabaseOperationLock2;
amDatabaseOperationLock2.m_holdingLock = true;
}
}
if (amDatabaseOperationLock2.m_mustWaitForLock)
{
amDatabaseOperationLock2.WaitForLock(timeout.Value, amDatabaseOperationLock);
}
AmTrace.Debug("AmDatabaseOperationLock({0},{1}) : lock obtained", new object[]
{
dbId,
reason
});
return(amDatabaseOperationLock2);
}
public void Unlock()
{
lock (this)
{
if (this.m_holdingLock)
{
AmTrace.Debug("AmDatabaseOperationLock({0},{1}) : releasing lock", new object[]
{
this.DatabaseGuid,
this.Reason
});
lock (AmDatabaseOperationLock.s_lockTable)
{
AmDatabaseOperationLock amDatabaseOperationLock = null;
if (AmDatabaseOperationLock.s_lockTable.TryGetValue(this.DatabaseGuid, out amDatabaseOperationLock) && amDatabaseOperationLock == this)
{
if (amDatabaseOperationLock.m_waiter != null)
{
AmTrace.Debug("AmDatabaseOperationLock({0},{1}) : granting lock to waiter:{2}", new object[]
{
this.DatabaseGuid,
this.Reason,
amDatabaseOperationLock.m_waiter.Reason
});
AmDatabaseOperationLock.s_lockTable[this.DatabaseGuid] = amDatabaseOperationLock.m_waiter;
amDatabaseOperationLock.m_waiter.m_holdingLock = true;
amDatabaseOperationLock.m_waiter.m_waiterEvent.Set();
amDatabaseOperationLock.m_waiter = null;
}
else
{
AmDatabaseOperationLock.s_lockTable[this.DatabaseGuid] = null;
}
}
}
}
}
}
private void WaitForLock(TimeSpan timeout, AmDatabaseOperationLock origHolder)
{
AmDatabaseOperationLock amDatabaseOperationLock = null;
long num = timeout.Ticks / 10000L;
int num2 = (int)TimeSpan.FromHours(1.0).TotalMilliseconds;
int num3;
if (num > (long)num2)
{
num3 = num2;
}
else
{
num3 = (int)num;
}
AmTrace.Debug("AmDatabaseOperationLock({0},{1}) : waiting {2} ms for lock", new object[]
{
this.DatabaseGuid,
this.Reason,
num3
});
if (this.m_waiterEvent.WaitOne(num3, false))
{
return;
}
AmTrace.Error("AmDatabaseOperationLock: timeout", new object[0]);
lock (AmDatabaseOperationLock.s_lockTable)
{
AmDatabaseOperationLock.s_lockTable.TryGetValue(this.DatabaseGuid, out amDatabaseOperationLock);
if (amDatabaseOperationLock == origHolder)
{
amDatabaseOperationLock.m_waiter = null;
throw new AmDbLockConflictException(this.DatabaseGuid, this.Reason.ToString(), origHolder.Reason.ToString());
}
AmTrace.Debug("AmDatabaseOperationLock: got lock after unlikely race", new object[0]);
}
}
internal void Remount(MountFlags mountFlags, DatabaseMountDialOverride mountDialoverride, AmServerName fromServer)
{
Exception ex = null;
bool flag = true;
AmServerName amServerName = null;
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
try
{
using (AmDatabaseOperationLock.Lock(this.DatabaseGuid, AmDbLockReason.Remount, null))
{
ex = AmHelper.HandleKnownExceptions(delegate(object param0, EventArgs param1)
{
ReplayCrimsonEvents.ToplevelRemountInitiated.LogGeneric(this.PrepareStartupArgs(new object[]
{
mountFlags,
mountDialoverride,
fromServer
}));
if (!this.State.IsEntryExist)
{
this.DbTrace.Error("Database was never mounted. Remount is applicable only if it was mounted at least once", new object[0]);
throw new AmDatabaseNeverMountedException();
}
if (this.State.IsAdminDismounted)
{
this.DbTrace.Error("Skipping remount action since the database was admin dismounted", new object[0]);
throw new AmDbRemountSkippedSinceDatabaseWasAdminDismounted(this.DatabaseName);
}
if (!AmServerName.IsEqual(this.State.ActiveServer, fromServer))
{
this.DbTrace.Error("Skipping remount action since database master had changed", new object[0]);
throw new AmDbRemountSkippedSinceMasterChanged(this.DatabaseName, this.State.ActiveServer.Fqdn, fromServer.NetbiosName);
}
this.EnsureAutomaticActionIsAllowed();
this.RemountInternal(mountFlags, mountDialoverride, fromServer);
});
this.WriteStateClearIfInProgressStatus(true);
flag = false;
}
}
catch (AmDbLockConflictException ex2)
{
ex = ex2;
}
finally
{
stopwatch.Stop();
if (flag || ex != null)
{
string text = (ex != null) ? ex.Message : ReplayStrings.UnknownError;
ReplayCrimsonEvents.ToplevelRemountFailed.LogGeneric(this.PrepareCompletionArgs(new object[]
{
stopwatch.Elapsed,
text
}));
ReplayEventLogConstants.Tuple_AmDatabaseMountFailed.LogEvent(null, new object[]
{
this.DatabaseName,
amServerName,
text
});
}
else
{
ReplayCrimsonEvents.ToplevelRemountSuccess.LogGeneric(this.PrepareCompletionArgs(new object[]
{
stopwatch.Elapsed
}));
ReplayEventLogConstants.Tuple_AmDatabaseMounted.LogEvent(null, new object[]
{
this.DatabaseName,
amServerName
});
}
}
if (ex != null)
{
throw ex;
}
}
internal void Move(MountFlags mountFlags, UnmountFlags dismountFlags, DatabaseMountDialOverride mountDialoverride, AmServerName fromServer, AmServerName targetServer, bool tryOtherHealthyServers, AmBcsSkipFlags skipValidationChecks, string moveComment, string componentName, ref AmDbOperationDetailedStatus moveStatus)
{
moveStatus = new AmDbOperationDetailedStatus(this.Database);
Exception ex = null;
bool flag = true;
AmServerName initialSourceServer = null;
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
string initialActive = string.Empty;
AmDbOperationDetailedStatus tempStatus = moveStatus;
try
{
using (AmDatabaseOperationLock.Lock(this.DatabaseGuid, AmDbLockReason.Move, null))
{
ex = AmHelper.HandleKnownExceptions(delegate(object param0, EventArgs param1)
{
initialActive = this.GetSafeActiveServer();
ReplayCrimsonEvents.ToplevelMoveInitiated.LogGeneric(this.PrepareStartupArgs(new object[]
{
mountFlags,
dismountFlags,
mountDialoverride,
AmServerName.IsNullOrEmpty(fromServer) ? initialActive : fromServer.Fqdn,
targetServer,
tryOtherHealthyServers,
skipValidationChecks,
moveComment,
componentName
}));
initialSourceServer = this.State.ActiveServer;
this.EnsureAutomaticActionIsAllowed();
this.ClearFailureAttemptIfAdminAction(this.DatabaseGuid);
this.MoveInternal(mountFlags, dismountFlags, mountDialoverride, fromServer, targetServer, tryOtherHealthyServers, skipValidationChecks, componentName, ref tempStatus);
});
this.WriteStateClearIfInProgressStatus(true);
flag = false;
}
}
catch (AmDbLockConflictException ex2)
{
ex = ex2;
}
finally
{
stopwatch.Stop();
moveStatus = tempStatus;
if (flag || ex != null)
{
string text = (ex != null) ? ex.Message : ReplayStrings.UnknownError;
ReplayCrimsonEvents.ToplevelMoveFailed.LogGeneric(this.PrepareCompletionArgs(new object[]
{
initialActive,
stopwatch.Elapsed,
text,
moveComment
}));
if (AmServerName.IsNullOrEmpty(targetServer))
{
ReplayEventLogConstants.Tuple_AmDatabaseMoveUnspecifiedServerFailed.LogEvent(null, new object[]
{
this.DatabaseName,
initialSourceServer,
text,
moveComment
});
}
else
{
ReplayEventLogConstants.Tuple_AmDatabaseMoveFailed.LogEvent(null, new object[]
{
this.DatabaseName,
initialActive,
targetServer,
text,
moveComment
});
}
}
else
{
ReplayCrimsonEvents.ToplevelMoveSuccess.LogGeneric(this.PrepareCompletionArgs(new object[]
{
initialActive,
stopwatch.Elapsed,
moveComment
}));
ReplayEventLogConstants.Tuple_AmDatabaseMoved.LogEvent(null, new object[]
{
this.DatabaseName,
initialActive,
moveStatus.FinalDbState.ActiveServer,
moveComment
});
}
}
if (ex != null)
{
throw ex;
}
}
internal void Dismount(UnmountFlags flags)
{
Exception ex = null;
bool flag = true;
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
try
{
using (AmDatabaseOperationLock.Lock(this.DatabaseGuid, AmDbLockReason.Dismount, this.m_lockTimeout))
{
ex = AmHelper.HandleKnownExceptions(delegate(object param0, EventArgs param1)
{
ReplayCrimsonEvents.ToplevelDismountInitiated.LogGeneric(this.PrepareStartupArgs(new object[]
{
flags
}));
if (!this.State.IsEntryExist)
{
throw new AmDatabaseNeverMountedException();
}
this.ClearFailureAttemptIfAdminAction(this.DatabaseGuid);
this.DismountInternal(flags);
});
this.WriteStateClearIfInProgressStatus(true);
flag = false;
}
}
catch (AmDbLockConflictException ex2)
{
ex = ex2;
}
finally
{
stopwatch.Stop();
AmSystemManager.Instance.TransientFailoverSuppressor.AdminRequestedForRemoval(this.State.ActiveServer, "Dismount-Database");
if (flag || ex != null)
{
string text = (ex != null) ? ex.Message : ReplayStrings.UnknownError;
ReplayCrimsonEvents.ToplevelDismountFailed.LogGeneric(this.PrepareCompletionArgs(new object[]
{
stopwatch.Elapsed,
text
}));
ReplayEventLogConstants.Tuple_AmDatabaseDismountFailed.LogEvent(null, new object[]
{
this.DatabaseName,
this.State.ActiveServer,
text
});
}
else
{
ReplayCrimsonEvents.ToplevelDismountSuccess.LogGeneric(this.PrepareCompletionArgs(new object[]
{
stopwatch.Elapsed
}));
ReplayEventLogConstants.Tuple_AmDatabaseDismounted.LogEvent(null, new object[]
{
this.DatabaseName,
this.State.ActiveServer
});
}
}
if (ex != null)
{
throw ex;
}
}
internal void Mount(MountFlags storeFlags, AmMountFlags amMountFlags, DatabaseMountDialOverride mountDialoverride, ref AmDbOperationDetailedStatus mountStatus)
{
mountStatus = new AmDbOperationDetailedStatus(this.Database);
Exception ex = null;
bool flag = true;
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
AmDbOperationDetailedStatus tempStatus = mountStatus;
try
{
using (AmDatabaseOperationLock.Lock(this.DatabaseGuid, AmDbLockReason.Mount, null))
{
ex = AmHelper.HandleKnownExceptions(delegate(object param0, EventArgs param1)
{
ReplayCrimsonEvents.ToplevelMountInitiated.LogGeneric(this.PrepareStartupArgs(new object[]
{
storeFlags,
mountDialoverride
}));
this.EnsureAutomaticActionIsAllowed();
this.ClearFailureAttemptIfAdminAction(this.DatabaseGuid);
if (!this.State.IsEntryExist)
{
this.DbTrace.Info("Mounting database for the first time!", new object[0]);
}
this.MountInternal(storeFlags, amMountFlags, mountDialoverride, ref tempStatus);
});
mountStatus = tempStatus;
this.WriteStateClearIfInProgressStatus(true);
flag = false;
}
}
catch (AmDbLockConflictException ex2)
{
ex = ex2;
}
finally
{
stopwatch.Stop();
if (flag || ex != null)
{
string text = (ex != null) ? ex.Message : ReplayStrings.UnknownError;
ReplayCrimsonEvents.ToplevelMountFailed.LogGeneric(this.PrepareCompletionArgs(new object[]
{
stopwatch.Elapsed,
text
}));
ReplayEventLogConstants.Tuple_AmDatabaseMountFailed.LogEvent(null, new object[]
{
this.DatabaseName,
this.State.ActiveServer,
text
});
}
else
{
ReplayCrimsonEvents.ToplevelMountSuccess.LogGeneric(this.PrepareCompletionArgs(new object[]
{
stopwatch.Elapsed
}));
ReplayEventLogConstants.Tuple_AmDatabaseMounted.LogEvent(null, new object[]
{
this.DatabaseName,
this.State.ActiveServer
});
}
}
if (ex != null)
{
throw ex;
}
}
