internal void ChangedLeaseTime(Lease lease, DateTime newTime)
{
lock (this.leaseToTimeTable)
{
this.leaseToTimeTable[lease] = newTime;
}
}
internal void DeleteLease(Lease lease)
{
lock (this.leaseToTimeTable)
{
this.leaseToTimeTable.Remove(lease);
}
}
internal void ActivateLease(Lease lease)
{
lock (this.leaseToTimeTable)
{
this.leaseToTimeTable[lease] = lease.leaseTime;
}
}
public void StartTrackingLifetime (ILease lease)
{
// Adds this identity to the LeaseManager.
// _serverObject must be set.
if (lease != null && lease.CurrentState == LeaseState.Null) lease = null;
if (lease != null)
{
if (! (lease is Lease)) lease = new Lease(); // This seems to be MS behavior
_lease = (Lease) lease;
LifetimeServices.TrackLifetime (this);
}
}
// Initiates the creation of a lease
// Creates a sink for invoking a renew on call when an object is created.
public IMessageSink GetObjectSink(MarshalByRefObject obj,
IMessageSink nextSink)
{
bool fServer;
ServerIdentity identity = (ServerIdentity)MarshalByRefObject.GetIdentity(obj, out fServer);
BCLDebug.Assert(identity != null, "[LifetimeServices.GetObjectSink] identity != null");
// NOTE: Single Call objects do not have a lease associated with it because they last
// only for the duration of the call.
// Singleton objects on the other hand do have leases associated with them and they can
// be garbage collected.
if (identity.IsSingleCall())
{
BCLDebug.Trace("REMOTE", "LeaseLifeTimeServiceProperty.GetObjectSink, no lease SingleCall", obj, ", NextSink " + nextSink);
return(nextSink);
}
// Create lease. InitializeLifetimeService is a virtual method which can be overridded so that a lease with
// object specific properties can be created.
Object leaseObj = obj.InitializeLifetimeService();
BCLDebug.Trace("REMOTE", "LeaseLifeTimeServiceProperty.GetObjectSink, return from InitializeLifetimeService obj ", obj, ", lease ", leaseObj);
// InitializeLifetimeService can return a lease in one of conditions:
// 1) the lease has a null state which specifies that no lease is to be created.
// 2) the lease has an initial state which specifies that InitializeLifeTimeService has created a new lease.
// 3) the lease has another state which indicates that the lease has already been created and registered.
if (leaseObj == null)
{
BCLDebug.Trace("REMOTE", "LeaseLifeTimeServiceProperty.GetObjectSink, no lease ", obj, ", NextSink " + nextSink);
return(nextSink);
}
if (!(leaseObj is System.Runtime.Remoting.Lifetime.ILease))
{
throw new RemotingException(String.Format(Environment.GetResourceString("Remoting_Lifetime_ILeaseReturn"), leaseObj));
}
ILease ilease = (ILease)leaseObj;
if (ilease.InitialLeaseTime.CompareTo(TimeSpan.Zero) <= 0)
{
// No lease
{
BCLDebug.Trace("REMOTE", "LeaseLifeTimeServiceProperty.GetObjectSink, no lease because InitialLeaseTime is Zero ", obj);
if (ilease is System.Runtime.Remoting.Lifetime.Lease)
{
((Lease)ilease).Remove();
}
return(nextSink);
}
}
Lease lease = null;
lock (identity)
{
if (identity.Lease != null)
{
// Lease already exists for object, object is being marsalled again
BCLDebug.Trace("REMOTE", "LeaseLifeTimeServiceProperty.GetObjectSink, Lease already exists for object ", obj);
lease = (Lease)identity.Lease;
lease.Renew(lease.InitialLeaseTime); // Reset initial lease time
}
else
{
// New lease
if (!(ilease is System.Runtime.Remoting.Lifetime.Lease))
{
// InitializeLifetimeService created its own ILease object
// Need to create a System.Runtime.Remoting.Lease object
BCLDebug.Trace("REMOTE", "LeaseLifeTimeServiceProperty.GetObjectSink, New Lease, lease not of type Lease ", obj);
lease = (Lease)LifetimeServices.GetLeaseInitial(obj);
if (lease.CurrentState == LeaseState.Initial)
{
lease.InitialLeaseTime = ilease.InitialLeaseTime;
lease.RenewOnCallTime = ilease.RenewOnCallTime;
lease.SponsorshipTimeout = ilease.SponsorshipTimeout;
}
}
else
{
// An object of Type Lease was created
BCLDebug.Trace("REMOTE", "LeaseLifeTimeServiceProperty.GetObjectSink, New Lease, lease is type Lease ", obj);
lease = (Lease)ilease;
}
// Put lease in active state
// Creation phase of lease is over, properties can no longer be set on lease.
identity.Lease = lease; // Place lease into identity for object
// If the object has been marshaled activate
// the lease
if (identity.ObjectRef != null)
{
lease.ActivateLease();
}
}
}
if (lease.RenewOnCallTime > TimeSpan.Zero)
{
// RenewOnCall create sink
BCLDebug.Trace("REMOTE", "LeaseLifeTimeServiceProperty.GetObjectSink, lease created ", obj);
return(new LeaseSink(lease, nextSink));
}
else
{
// No RenewOnCall so no sink created
BCLDebug.Trace("REMOTE", "LeaseLifeTimeServiceProperty.GetObjectSink, No RenewOnCall so no sink created ", obj);
return(nextSink);
}
}
private void LeaseTimeAnalyzer(object state)
{
DateTime utcNow = DateTime.UtcNow;
lock (this.leaseToTimeTable)
{
IDictionaryEnumerator enumerator = this.leaseToTimeTable.GetEnumerator();
while (enumerator.MoveNext())
{
DateTime time2 = (DateTime)enumerator.Value;
Lease key = (Lease)enumerator.Key;
if (time2.CompareTo(utcNow) < 0)
{
this.tempObjects.Add(key);
}
}
for (int k = 0; k < this.tempObjects.Count; k++)
{
Lease lease2 = (Lease)this.tempObjects[k];
this.leaseToTimeTable.Remove(lease2);
}
}
for (int i = 0; i < this.tempObjects.Count; i++)
{
Lease lease3 = (Lease)this.tempObjects[i];
if (lease3 != null)
{
lease3.LeaseExpired(utcNow);
}
}
this.tempObjects.Clear();
lock (this.sponsorTable)
{
IDictionaryEnumerator enumerator2 = this.sponsorTable.GetEnumerator();
while (enumerator2.MoveNext())
{
object obj1 = enumerator2.Key;
SponsorInfo info = (SponsorInfo)enumerator2.Value;
if (info.sponsorWaitTime.CompareTo(utcNow) < 0)
{
this.tempObjects.Add(info);
}
}
for (int m = 0; m < this.tempObjects.Count; m++)
{
SponsorInfo info2 = (SponsorInfo)this.tempObjects[m];
this.sponsorTable.Remove(info2.sponsorId);
}
}
for (int j = 0; j < this.tempObjects.Count; j++)
{
SponsorInfo info3 = (SponsorInfo)this.tempObjects[j];
if ((info3 != null) && (info3.lease != null))
{
info3.lease.SponsorTimeout(info3.sponsorId);
this.tempObjects[j] = null;
}
}
this.tempObjects.Clear();
this.leaseTimer.Change((int)this.pollTime.TotalMilliseconds, -1);
}
public IMessageSink GetObjectSink(MarshalByRefObject obj, IMessageSink nextSink)
{
bool fServer;
ServerIdentity serverIdentity = (ServerIdentity)MarshalByRefObject.GetIdentity(obj, out fServer);
if (serverIdentity.IsSingleCall())
{
return(nextSink);
}
object obj1 = obj.InitializeLifetimeService();
if (obj1 == null)
{
return(nextSink);
}
if (!(obj1 is ILease))
{
throw new RemotingException(Environment.GetResourceString("Remoting_Lifetime_ILeaseReturn", obj1));
}
ILease lease1 = (ILease)obj1;
if (lease1.InitialLeaseTime.CompareTo(TimeSpan.Zero) <= 0)
{
if (lease1 is Lease)
{
((Lease)lease1).Remove();
}
return(nextSink);
}
Lease lease2 = (Lease)null;
lock (serverIdentity)
{
if (serverIdentity.Lease != null)
{
lease2 = serverIdentity.Lease;
Lease temp_62 = lease2;
TimeSpan temp_63 = temp_62.InitialLeaseTime;
temp_62.Renew(temp_63);
}
else
{
if (!(lease1 is Lease))
{
lease2 = (Lease)LifetimeServices.GetLeaseInitial(obj);
if (lease2.CurrentState == LeaseState.Initial)
{
lease2.InitialLeaseTime = lease1.InitialLeaseTime;
lease2.RenewOnCallTime = lease1.RenewOnCallTime;
lease2.SponsorshipTimeout = lease1.SponsorshipTimeout;
}
}
else
{
lease2 = (Lease)lease1;
}
serverIdentity.Lease = lease2;
if (serverIdentity.ObjectRef != null)
{
lease2.ActivateLease();
}
}
}
if (lease2.RenewOnCallTime > TimeSpan.Zero)
{
return((IMessageSink) new LeaseSink(lease2, nextSink));
}
return(nextSink);
}
internal void ActivateLease(Lease lease)
{
BCLDebug.Trace("REMOTE","LeaseManager AddLease ",lease.id," ",lease.managedObject);
lock(leaseToTimeTable)
{
leaseToTimeTable[lease] = lease.leaseTime;
}
}
internal SponsorInfo(Lease lease, Object sponsorId, DateTime sponsorWaitTime)
{
this.lease = lease;
this.sponsorId = sponsorId;
this.sponsorWaitTime = sponsorWaitTime;
}
internal void DumpLeases(Lease[] leases)
{
for (int i=0; i<leases.Length; i++)
{
BCLDebug.Trace("REMOTE","LeaseManager DumpLease ",leases[i].managedObject);
}
}
internal void DeleteLease(Lease lease)
{
BCLDebug.Trace("REMOTE","LeaseManager DeleteLease ",lease.id);
lock(leaseToTimeTable)
{
leaseToTimeTable.Remove(lease);
}
}
public LeaseSink(Lease lease, IMessageSink nextSink)
{
this.lease = lease;
this.nextSink = nextSink;
}
internal void DumpLeases(Lease[] leases)
{
for (int i = 0; i < leases.Length; i++)
{
}
}
internal void RegisterSponsorCall(Lease lease, object sponsorId, TimeSpan sponsorshipTimeOut)
{
lock (this.sponsorTable)
{
DateTime sponsorWaitTime = DateTime.UtcNow.Add(sponsorshipTimeOut);
this.sponsorTable[sponsorId] = new SponsorInfo(lease, sponsorId, sponsorWaitTime);
}
}
public IMessageSink GetObjectSink(MarshalByRefObject obj, IMessageSink nextSink)
{
bool flag;
ServerIdentity identity = (ServerIdentity)MarshalByRefObject.GetIdentity(obj, out flag);
if (!identity.IsSingleCall())
{
object obj2 = obj.InitializeLifetimeService();
if (obj2 == null)
{
return(nextSink);
}
if (!(obj2 is ILease))
{
throw new RemotingException(Environment.GetResourceString("Remoting_Lifetime_ILeaseReturn", new object[] { obj2 }));
}
ILease lease = (ILease)obj2;
if (lease.InitialLeaseTime.CompareTo(TimeSpan.Zero) <= 0)
{
if (lease is Lease)
{
((Lease)lease).Remove();
}
return(nextSink);
}
Lease leaseInitial = null;
lock (identity)
{
if (identity.Lease != null)
{
leaseInitial = identity.Lease;
leaseInitial.Renew(leaseInitial.InitialLeaseTime);
}
else
{
if (lease is Lease)
{
leaseInitial = (Lease)lease;
}
else
{
leaseInitial = (Lease)LifetimeServices.GetLeaseInitial(obj);
if (leaseInitial.CurrentState == LeaseState.Initial)
{
leaseInitial.InitialLeaseTime = lease.InitialLeaseTime;
leaseInitial.RenewOnCallTime = lease.RenewOnCallTime;
leaseInitial.SponsorshipTimeout = lease.SponsorshipTimeout;
}
}
identity.Lease = leaseInitial;
if (identity.ObjectRef != null)
{
leaseInitial.ActivateLease();
}
}
}
if (leaseInitial.RenewOnCallTime > TimeSpan.Zero)
{
return(new LeaseSink(leaseInitial, nextSink));
}
}
return(nextSink);
}
internal SponsorInfo(Lease lease, Object sponsorId, DateTime sponsorWaitTime)
{
this.lease = lease;
this.sponsorId = sponsorId;
this.sponsorWaitTime = sponsorWaitTime;
}
// Thread Loop
private void LeaseTimeAnalyzer(Object state)
{
//BCLDebug.Trace("REMOTE","LeaseManager LeaseTimeAnalyzer Entry ",state);
// Find expired leases
DateTime now = DateTime.Now;
lock (leaseToTimeTable)
{
IDictionaryEnumerator e = leaseToTimeTable.GetEnumerator();
while (e.MoveNext())
{
DateTime time = (DateTime)e.Value;
Lease lease = (Lease)e.Key;
//BCLDebug.Trace("REMOTE","LeaseManager LeaseTimeAnalyzer lease ",lease.id, " lease time ", time, " now ", now);
if (time.CompareTo(now) < 0)
{
// lease expired
tempObjects.Add(lease);
}
}
for (int i = 0; i < tempObjects.Count; i++)
{
Lease lease = (Lease)tempObjects[i];
//BCLDebug.Trace("REMOTE","LeaseManager LeaseTimeAnalyzer lease Expired remove from leaseToTimeTable ",lease.id);
leaseToTimeTable.Remove(lease);
}
}
// Need to run this without lock on leaseToTimeTable to avoid deadlock
for (int i = 0; i < tempObjects.Count; i++)
{
Lease lease = (Lease)tempObjects[i];
//BCLDebug.Trace("REMOTE","LeaseManager LeaseTimeAnalyzer lease Expired ",lease.id);
if (lease != null) // Lease could be deleted if there is more then one reference to the lease
{
lease.LeaseExpired(now);
}
}
tempObjects.Clear();
lock (sponsorTable)
{
IDictionaryEnumerator e = sponsorTable.GetEnumerator();
while (e.MoveNext())
{
// Check for SponshipTimeOuts
Object sponsorId = e.Key;
SponsorInfo sponsorInfo = (SponsorInfo)e.Value;
//BCLDebug.Trace("REMOTE","LeaseManager LeaseTimeAnalyzer sponsor time ", sponsorInfo.sponsorWaitTime, " now ", now);
if (sponsorInfo.sponsorWaitTime.CompareTo(now) < 0)
{
// Sponsortimeout expired expired
tempObjects.Add(sponsorInfo);
}
}
// Process the timed out sponsors
for (int i = 0; i < tempObjects.Count; i++)
{
SponsorInfo sponsorInfo = (SponsorInfo)tempObjects[i];
//BCLDebug.Trace("REMOTE","LeaseManager LeaseTimeAnalyzer sponsor Expired remove from spansorTable", sponsorInfo.sponsorId);
sponsorTable.Remove(sponsorInfo.sponsorId);
}
}
// Process the timed out sponsors
// Need to run this without lock on sponsorTable to avoid deadlock
for (int i = 0; i < tempObjects.Count; i++)
{
SponsorInfo sponsorInfo = (SponsorInfo)tempObjects[i];
//BCLDebug.Trace("REMOTE","LeaseManager LeaseTimeAnalyzer sponsor Expired ", sponsorInfo.sponsorId);
if (sponsorInfo != null && sponsorInfo.lease != null)
{
sponsorInfo.lease.SponsorTimeout(sponsorInfo.sponsorId);
}
}
tempObjects.Clear();
leaseTimer.Change((int)pollTime.TotalMilliseconds, Timeout.Infinite);
//BCLDebug.Trace("REMOTE","LeaseManager LeaseTimeAnalyzer Exit");
}
internal SponsorStateInfo(TimeSpan renewalTime, Lease.SponsorState sponsorState)
{
this.renewalTime = renewalTime;
this.sponsorState = sponsorState;
}
// We won't get all the leases, only the ones which haven't expired.
internal Lease[] GetLeases()
{
Lease[] leases = new Lease[leaseToTimeTable.Count];
lock(leaseToTimeTable)
{
IDictionaryEnumerator e = leaseToTimeTable.GetEnumerator();
for (int i=0; e.MoveNext(); i++)
{
leases[i] = (Lease)e.Key;
}
}
DumpLeases(leases);
return leases;
}
internal void ChangedLeaseTime(Lease lease, DateTime newTime)
{
lock (this.leaseToTimeTable)
this.leaseToTimeTable[(object)lease] = (object)newTime;
}
internal void ChangedLeaseTime(Lease lease, DateTime newTime)
{
BCLDebug.Trace("REMOTE","LeaseManager ChangedLeaseTime ",lease.id," ",lease.managedObject," newTime ",newTime," currentTime ", DateTime.Now);
lock(leaseToTimeTable)
{
leaseToTimeTable[lease] = newTime;
}
}
internal void ActivateLease(Lease lease)
{
lock (this.leaseToTimeTable)
this.leaseToTimeTable[(object)lease] = (object)lease.leaseTime;
}
internal void RegisterSponsorCall(Lease lease, Object sponsorId, TimeSpan sponsorshipTimeOut)
{
BCLDebug.Trace("REMOTE","LeaseManager RegisterSponsorCall Lease ",lease," sponsorshipTimeOut ",sponsorshipTimeOut);
lock(sponsorTable)
{
DateTime sponsorWaitTime = DateTime.Now.Add(sponsorshipTimeOut);
sponsorTable[sponsorId] = new SponsorInfo(lease, sponsorId, sponsorWaitTime);
}
}
internal void DeleteLease(Lease lease)
{
lock (this.leaseToTimeTable)
this.leaseToTimeTable.Remove((object)lease);
}
public LeaseSink(Lease lease, IMessageSink nextSink)
{
this.lease = lease;
this.nextSink = nextSink;
}
private void LeaseTimeAnalyzer(object state)
{
DateTime utcNow = DateTime.UtcNow;
Hashtable obj = this.leaseToTimeTable;
lock (obj)
{
IDictionaryEnumerator enumerator = this.leaseToTimeTable.GetEnumerator();
while (enumerator.MoveNext())
{
DateTime dateTime = (DateTime)enumerator.Value;
Lease value = (Lease)enumerator.Key;
if (dateTime.CompareTo(utcNow) < 0)
{
this.tempObjects.Add(value);
}
}
for (int i = 0; i < this.tempObjects.Count; i++)
{
Lease key = (Lease)this.tempObjects[i];
this.leaseToTimeTable.Remove(key);
}
}
for (int j = 0; j < this.tempObjects.Count; j++)
{
Lease lease = (Lease)this.tempObjects[j];
if (lease != null)
{
lease.LeaseExpired(utcNow);
}
}
this.tempObjects.Clear();
Hashtable obj2 = this.sponsorTable;
lock (obj2)
{
IDictionaryEnumerator enumerator2 = this.sponsorTable.GetEnumerator();
while (enumerator2.MoveNext())
{
object key2 = enumerator2.Key;
LeaseManager.SponsorInfo sponsorInfo = (LeaseManager.SponsorInfo)enumerator2.Value;
if (sponsorInfo.sponsorWaitTime.CompareTo(utcNow) < 0)
{
this.tempObjects.Add(sponsorInfo);
}
}
for (int k = 0; k < this.tempObjects.Count; k++)
{
LeaseManager.SponsorInfo sponsorInfo2 = (LeaseManager.SponsorInfo) this.tempObjects[k];
this.sponsorTable.Remove(sponsorInfo2.sponsorId);
}
}
for (int l = 0; l < this.tempObjects.Count; l++)
{
LeaseManager.SponsorInfo sponsorInfo3 = (LeaseManager.SponsorInfo) this.tempObjects[l];
if (sponsorInfo3 != null && sponsorInfo3.lease != null)
{
sponsorInfo3.lease.SponsorTimeout(sponsorInfo3.sponsorId);
this.tempObjects[l] = null;
}
}
this.tempObjects.Clear();
this.leaseTimer.Change((int)this.pollTime.TotalMilliseconds, -1);
}
