public async Task <Boolean> Handle(UpdateDHCPv6ScopeParentCommand request, CancellationToken cancellationToken)
{
_logger.LogDebug("Handle started");
var scope = _rootScope.GetScopeById(request.ScopeId);
if (scope == DHCPv6Scope.NotFound)
{
return(false);
}
if (request.ParentScopeId.HasValue == true)
{
if (_rootScope.GetScopeById(request.ParentScopeId.Value) == DHCPv6Scope.NotFound)
{
return(false);
}
}
Boolean moveResult = _rootScope.UpdateParent(request.ScopeId, request.ParentScopeId);
if (moveResult == true)
{
Boolean result = await _store.Save(_rootScope);
return(result);
}
return(false);
}
protected static void CheckLeaseRenewdEvent(
Guid scopeId,
DHCPv6RootScope rootScope, DHCPv6Lease lease, Boolean expectReset, Boolean expectedPrefixReset)
{
IEnumerable <DomainEvent> changes = rootScope.GetChanges();
Assert.NotNull(changes);
Assert.Equal(2, changes.Count());
Assert.IsAssignableFrom <DHCPv6LeaseRenewedEvent>(changes.First());
DHCPv6LeaseRenewedEvent createdEvent = (DHCPv6LeaseRenewedEvent)changes.First();
Assert.NotNull(createdEvent);
Assert.Equal(scopeId, createdEvent.ScopeId);
Assert.NotEqual(Guid.Empty, lease.Id);
Assert.Equal(lease.Id, createdEvent.EntityId);
Assert.Equal(expectReset, createdEvent.Reset);
Assert.Equal(expectedPrefixReset, createdEvent.ResetPrefix);
Assert.Equal(lease.End, createdEvent.End);
var addressProperties = rootScope.GetScopeById(scopeId).AddressRelatedProperties;
Assert.True(Math.Abs(((addressProperties.T1.Value * addressProperties.ValidLeaseTime.Value) - createdEvent.RenewSpan).TotalSeconds) < 20);
Assert.True(Math.Abs(((addressProperties.T2.Value * addressProperties.ValidLeaseTime.Value) - createdEvent.ReboundSpan).TotalSeconds) < 20);
}
public async Task <Boolean> Handle(UpdateDHCPv6ScopeCommand request, CancellationToken cancellationToken)
{
_logger.LogDebug("Handle started");
var scope = _rootScope.GetScopeById(request.ScopeId);
if (scope == DHCPv6Scope.NotFound)
{
return(false);
}
Guid?parentId = scope.HasParentScope() == false ? new Guid?() : scope.ParentScope.Id;
var properties = GetScopeProperties(request);
var addressProperties = GetScopeAddressProperties(request);
if (request.Name != scope.Name)
{
_rootScope.UpdateScopeName(request.ScopeId, ScopeName.FromString(request.Name));
}
if (request.Description != scope.Description)
{
_rootScope.UpdateScopeDescription(request.ScopeId, ScopeDescription.FromString(request.Description));
}
if (request.ParentId != parentId)
{
_rootScope.UpdateParent(request.ScopeId, request.ParentId);
}
_rootScope.UpdateScopeResolver(request.ScopeId, GetResolverInformation(request));
if (addressProperties != scope.AddressRelatedProperties)
{
_rootScope.UpdateAddressProperties(request.ScopeId, addressProperties);
}
if (properties != scope.Properties)
{
_rootScope.UpdateScopeProperties(request.ScopeId, properties);
}
Boolean result = await _store.Save(_rootScope);
if (result == true)
{
var triggers = _rootScope.GetTriggers();
if (triggers.Any() == true)
{
await _serviceBus.Publish(new NewTriggerHappendMessage(triggers));
_rootScope.ClearTriggers();
}
}
return(result);
}
public override Task <Boolean> IsValid(NotifcationTrigger trigger)
{
if (trigger is PrefixEdgeRouterBindingUpdatedTrigger == false)
{
_logger.LogError("condition {name} has invalid trigger. expected trigger type is {expectedType} actual is {type}",
nameof(DHCPv6ScopeIdNotificationCondition), typeof(PrefixEdgeRouterBindingUpdatedTrigger), trigger.GetType());
return(Task.FromResult(false));
}
var castedTrigger = (PrefixEdgeRouterBindingUpdatedTrigger)trigger;
if (ScopeIds.Contains(castedTrigger.ScopeId) == true)
{
_logger.LogDebug("triggers scope id {scopeId} found in condtition. Condition is true", castedTrigger.ScopeId);
return(Task.FromResult(true));
}
else
{
_logger.LogDebug("triggers scope id {scopeId} not found scope list. Checking if children are included", castedTrigger.ScopeId);
if (IncludesChildren == false)
{
_logger.LogDebug("children shouldn't be included. Conditition evalutated to false");
return(Task.FromResult(false));
}
else
{
foreach (var scopeId in ScopeIds)
{
_logger.LogDebug("checking scopes recursivly for machting id");
_logger.LogDebug("check if {triggerId} is a child of {scopeId}", castedTrigger.ScopeId, castedTrigger.ScopeId);
var scope = _rootScope.GetScopeById(scopeId);
if (scope == null)
{
_logger.LogError("scope with id {scopeId} not found", scopeId);
continue;
}
foreach (var item in scope.GetChildScopes())
{
Boolean found = SearchChildScope(item, castedTrigger.ScopeId);
if (found == true)
{
_logger.LogDebug("a machting child scope found. Condition evaluted to true");
return(Task.FromResult(true));
}
}
}
_logger.LogDebug("no child found. Condition evaluted to false");
return(Task.FromResult(false));
}
}
}
public async Task <IActionResult> GetHandledDHCPv6PacketByScopeId([FromRoute(Name = "id")] Guid scopeId, [Range(1, 1000)][FromQuery] Int32 amount = 100)
{
if (_rootScope.GetScopeById(scopeId) == DHCPv6Scope.NotFound)
{
return(NotFound("scope not found"));
}
var entries = await _storage.GetHandledDHCPv6PacketByScopeId(scopeId, amount);
return(base.Ok(entries));
}
protected static void CheckLeaseCreatedEvent(
Int32 index, DUID clientDuid, UInt32 iaId,
Guid scopeId, DHCPv6RootScope rootScope,
IPv6Address expectedAdress, DHCPv6Lease lease,
Byte[] uniqueIdentifier = null,
Guid?ancestorId = null,
Boolean checkLeaseTimes = true
)
{
IEnumerable <DomainEvent> changes = rootScope.GetChanges();
Assert.NotNull(changes);
Assert.IsAssignableFrom <DHCPv6LeaseCreatedEvent>(changes.ElementAt(index));
DHCPv6LeaseCreatedEvent createdEvent = (DHCPv6LeaseCreatedEvent)changes.ElementAt(index);
Assert.NotNull(createdEvent);
Assert.Equal(scopeId, createdEvent.ScopeId);
Assert.Equal(expectedAdress, createdEvent.Address);
Assert.Equal(clientDuid, createdEvent.ClientIdentifier);
Assert.Equal(iaId, createdEvent.IdentityAssocationId);
Assert.Equal(lease.Id, createdEvent.EntityId);
Assert.Equal(ancestorId, createdEvent.AncestorId);
if (uniqueIdentifier == null)
{
Assert.Null(createdEvent.UniqueIdentiifer);
}
else
{
Assert.Equal(uniqueIdentifier, createdEvent.UniqueIdentiifer);
}
Assert.Equal(lease.Start, createdEvent.StartedAt);
Assert.Equal(lease.End, createdEvent.ValidUntil);
var addressProperties = rootScope.GetScopeById(scopeId).AddressRelatedProperties;
if (checkLeaseTimes == true)
{
Assert.Equal(addressProperties.T1.Value * addressProperties.ValidLeaseTime.Value, createdEvent.RenewalTime);
Assert.Equal(addressProperties.T2.Value * addressProperties.ValidLeaseTime.Value, createdEvent.PreferredLifetime);
}
if (lease.PrefixDelegation == DHCPv6PrefixDelegation.None)
{
Assert.Equal(IPv6Address.Empty, createdEvent.DelegatedNetworkAddress);
Assert.Equal(0, createdEvent.PrefixLength);
Assert.False(createdEvent.HasPrefixDelegation);
}
}
protected static DHCPv6Lease CheckLease(
Int32 index, Int32 expectedAmount, IPv6Address expectedAdress,
Guid scopeId, DHCPv6RootScope rootScope, DateTime expectedCreationData,
DUID clientDuid, UInt32 iaId, Boolean shouldBePending, Boolean shouldHavePrefix, Byte[] uniqueIdentifier = null, Boolean checkExpire = true)
{
DHCPv6Scope scope = rootScope.GetScopeById(scopeId);
var leases = scope.Leases.GetAllLeases();
Assert.Equal(expectedAmount, leases.Count());
DHCPv6Lease lease = leases.ElementAt(index);
Assert.NotNull(lease);
Assert.Equal(expectedAdress, lease.Address);
if (checkExpire == true)
{
Int32 expiresInMinutes = (Int32)(lease.End - DateTime.UtcNow).TotalMinutes;
Assert.True(expiresInMinutes >= 60 * 24 - 4 && expiresInMinutes <= 60 * 24);
}
Assert.True((expectedCreationData - lease.Start).TotalMinutes < 2);
if (shouldBePending == true)
{
Assert.True(lease.IsPending());
}
else
{
Assert.True(lease.IsActive());
}
Assert.Equal(clientDuid, lease.ClientDUID);
Assert.Equal(iaId, lease.IdentityAssocicationId);
if (uniqueIdentifier == null)
{
Assert.Empty(lease.UniqueIdentifier);
}
else
{
Assert.NotNull(lease.UniqueIdentifier);
Assert.Equal(uniqueIdentifier, lease.UniqueIdentifier);
}
if (shouldHavePrefix == false)
{
Assert.Equal(DHCPv6PrefixDelegation.None, lease.PrefixDelegation);
}
return(lease);
}
public async Task <Boolean> Handle(DeleteDHCPv6ScopeCommand request, CancellationToken cancellationToken)
{
if (rootScope.GetScopeById(request.ScopeId) == DHCPv6Scope.NotFound)
{
logger.LogInformation("unable to delete the scope {scopeId}. Scope not found");
return(false);
}
rootScope.DeleteScope(request.ScopeId, request.IncludeChildren);
Boolean result = await storageEngine.Save(rootScope);
if (result == false)
{
logger.LogError("unable to delete the scope {scopeId}. Saving changes failed", request.ScopeId);
}
return(result);
}
protected static DHCPv6Lease CheckLeaseForPrefix(
Int32 index, Int32 expectedAmount, IPv6Address minAddress, IPv6Address maxAddress,
Guid scopeId, DHCPv6RootScope rootScope,
DUID clientDuid, UInt32 prefixIaId, Byte prefixLength, Boolean shouldBePending, Byte[] uniqueIdentifier = null)
{
DHCPv6Scope scope = rootScope.GetScopeById(scopeId);
var leases = scope.Leases.GetAllLeases();
Assert.Equal(expectedAmount, leases.Count());
DHCPv6Lease lease = leases.ElementAt(index);
Assert.Equal(clientDuid, lease.ClientDUID);
Assert.NotNull(lease);
Assert.NotEqual(DHCPv6PrefixDelegation.None, lease.PrefixDelegation);
Assert.Equal(prefixIaId, lease.PrefixDelegation.IdentityAssociation);
Assert.Equal(prefixLength, lease.PrefixDelegation.Mask.Identifier);
Assert.True((new IPv6SubnetMask(new IPv6SubnetMaskIdentifier(prefixLength))).IsIPv6AdressANetworkAddress(lease.PrefixDelegation.NetworkAddress));
Assert.True(lease.PrefixDelegation.NetworkAddress.IsBetween(minAddress, maxAddress));
if (shouldBePending == true)
{
Assert.True(lease.IsPending());
}
else
{
Assert.True(lease.IsActive());
}
if (uniqueIdentifier == null)
{
Assert.Empty(lease.UniqueIdentifier);
}
else
{
Assert.NotNull(lease.UniqueIdentifier);
Assert.Equal(uniqueIdentifier, lease.UniqueIdentifier);
}
return(lease);
}
public void GetChildScopes()
{
Random random = new Random();
GenerateScopeTree(random, out Dictionary <Guid, List <Guid> > directChildRelations, out Dictionary <Guid, List <Guid> > allChildRelations, out List <DomainEvent> events);
DHCPv6RootScope rootScope = GetRootScope();
rootScope.Load(events);
foreach (var item in directChildRelations)
{
DHCPv6Scope scope = rootScope.GetScopeById(item.Key);
IEnumerable <DHCPv6Scope> childScopes = scope.GetChildScopes();
List <Guid> childScopesId = childScopes.Select(x => x.Id).ToList();
Assert.Equal(item.Value.OrderBy(x => x), childScopesId.OrderBy(x => x));
}
}
public void GetChildIds()
{
Random random = new Random();
GenerateScopeTree(random, out Dictionary <Guid, List <Guid> > directChildRelations, out Dictionary <Guid, List <Guid> > allChildRelations, out List <DomainEvent> events);
DHCPv6RootScope rootScope = GetRootScope();
rootScope.Load(events);
foreach (var item in directChildRelations)
{
DHCPv6Scope scope = rootScope.GetScopeById(item.Key);
IEnumerable <Guid> actualDirectIds = scope.GetChildIds(true);
Assert.Equal(item.Value.OrderBy(x => x), actualDirectIds.OrderBy(x => x));
IEnumerable <Guid> allChildIds = scope.GetChildIds(false);
Assert.Equal(allChildRelations[item.Key].OrderBy(x => x), allChildIds.OrderBy(x => x));
}
}
public IActionResult GetLeasesByScope([FromRoute(Name = "id")] Guid scopeId, [FromQuery(Name = "includeChildren")] Boolean includeChildren = false)
{
_logger.LogDebug("GetLeasesByScope");
var scope = _rootScope.GetScopeById(scopeId);
if (scope == DHCPv6Scope.NotFound)
{
return(NotFound($"no scope with id {scopeId} found"));
}
List <DHCPv6LeaseOverview> result;
if (includeChildren == false)
{
result = scope.Leases.GetAllLeases().Select(x => GetLeaseOverview(x, scope)).ToList();
}
else
{
result = new List <DHCPv6LeaseOverview>();
GetAllLesesRecursivly(result, scope);
}
return(base.Ok(result.OrderBy(x => x.State).ThenBy(x => x.Address).ToList()));
}
public void DHCPv6Scope_ScopePropertiesInherientce()
{
Random random = new Random();
Byte onylGrandParentOptionIdentifier = 47;
Byte onlyParentOptionIdentifier = 55;
Byte onlyChildOptionIdentifier = 90;
Byte overridenByParentOptionIdentifier = 100;
Byte overridenByChildOptionIdentifier = 110;
Byte deletedByChildOptionIdentifier = 140;
Dictionary <Byte, String> inputs = new Dictionary <byte, String>
{
{ onylGrandParentOptionIdentifier, random.GetAlphanumericString() },
{ onlyParentOptionIdentifier, random.GetAlphanumericString() },
{ onlyChildOptionIdentifier, random.GetAlphanumericString() },
{ overridenByParentOptionIdentifier, random.GetAlphanumericString() },
{ overridenByChildOptionIdentifier, random.GetAlphanumericString() },
{ deletedByChildOptionIdentifier, random.GetAlphanumericString() },
};
DHCPv6ScopeProperties grantParentProperties = new DHCPv6ScopeProperties(
new DHCPv6TextScopeProperty(onylGrandParentOptionIdentifier, inputs[onylGrandParentOptionIdentifier]),
new DHCPv6TextScopeProperty(overridenByParentOptionIdentifier, random.GetAlphanumericString()),
new DHCPv6TextScopeProperty(overridenByChildOptionIdentifier, random.GetAlphanumericString()),
new DHCPv6TextScopeProperty(deletedByChildOptionIdentifier, random.GetAlphanumericString())
);
DHCPv6ScopeProperties parentProperties = new DHCPv6ScopeProperties(
new DHCPv6TextScopeProperty(onlyParentOptionIdentifier, inputs[onlyParentOptionIdentifier]),
new DHCPv6TextScopeProperty(overridenByParentOptionIdentifier, inputs[overridenByParentOptionIdentifier]),
new DHCPv6TextScopeProperty(deletedByChildOptionIdentifier, random.GetAlphanumericString())
);
DHCPv6ScopeProperties childProperties = new DHCPv6ScopeProperties(
new DHCPv6TextScopeProperty(onlyChildOptionIdentifier, inputs[onlyChildOptionIdentifier]),
new DHCPv6TextScopeProperty(overridenByChildOptionIdentifier, inputs[overridenByChildOptionIdentifier])
);
childProperties.RemoveFromInheritance(deletedByChildOptionIdentifier);
DHCPv6ScopeProperties expectedProperties = new DHCPv6ScopeProperties(
new DHCPv6TextScopeProperty(onylGrandParentOptionIdentifier, inputs[onylGrandParentOptionIdentifier]),
new DHCPv6TextScopeProperty(onlyParentOptionIdentifier, inputs[onlyParentOptionIdentifier]),
new DHCPv6TextScopeProperty(onlyChildOptionIdentifier, inputs[onlyChildOptionIdentifier]),
new DHCPv6TextScopeProperty(overridenByParentOptionIdentifier, inputs[overridenByParentOptionIdentifier]),
new DHCPv6TextScopeProperty(overridenByChildOptionIdentifier, inputs[overridenByChildOptionIdentifier])
);
Guid grantParentId = Guid.NewGuid();
Guid parentId = Guid.NewGuid();
Guid childId = Guid.NewGuid();
List <DomainEvent> events = new List <DomainEvent>
{
new DHCPv6ScopeAddedEvent(new DHCPv6ScopeCreateInstruction
{
Id = grantParentId,
ScopeProperties = grantParentProperties,
}),
new DHCPv6ScopeAddedEvent(new DHCPv6ScopeCreateInstruction
{
Id = parentId,
ParentId = grantParentId,
ScopeProperties = parentProperties,
}),
new DHCPv6ScopeAddedEvent(new DHCPv6ScopeCreateInstruction
{
Id = childId,
ParentId = parentId,
ScopeProperties = childProperties,
}),
};
DHCPv6RootScope rootScope = GetRootScope();
rootScope.Load(events);
var scope = rootScope.GetScopeById(childId);
var actualProperties = scope.GetScopeProperties();
Assert.Equal(expectedProperties, actualProperties);
}
public void DHCPv6Scope_AddressPropertiesInherientce()
{
Random random = new Random();
for (int i = 0; i < 100; i++)
{
IPv6Address grantParentStart = random.GetIPv6Address();
IPv6Address grantParentEnd = random.GetIPv6AddressGreaterThan(grantParentStart);
List <IPv6Address> grantParentExcludedAddresses = random.GetIPv6AddressesBetween(grantParentStart, grantParentEnd);
DHCPv6TimeScale grantParentT1 = DHCPv6TimeScale.FromDouble(0.2);
DHCPv6TimeScale grantParentT2 = DHCPv6TimeScale.FromDouble(0.6);
TimeSpan grantParentPreferredLifeTime = TimeSpan.FromMinutes(random.Next(10, 30));
TimeSpan grantParentValuidLifeTime = TimeSpan.FromMinutes(random.Next(40, 60));
Boolean grantParentReuseAddressIfPossible = random.NextBoolean();
var grantParentAllocationStrategy = DHCPv6ScopeAddressProperties.AddressAllocationStrategies.Next;
Boolean grantParentSupportDirectUnicast = random.NextBoolean();
Boolean grantParentAcceptDecline = random.NextBoolean();
Boolean grantParentInformsAreAllowd = random.NextBoolean();
DHCPv6ScopeAddressProperties grantParentProperties = new DHCPv6ScopeAddressProperties(
grantParentStart, grantParentEnd, grantParentExcludedAddresses,
grantParentT1, grantParentT2,
grantParentPreferredLifeTime, grantParentValuidLifeTime,
grantParentReuseAddressIfPossible, grantParentAllocationStrategy,
grantParentInformsAreAllowd, grantParentAcceptDecline, grantParentInformsAreAllowd,
null, DHCPv6PrefixDelgationInfo.FromValues(IPv6Address.FromString("2001:e68:5423:5ffd::0"), new IPv6SubnetMaskIdentifier(64), new IPv6SubnetMaskIdentifier(70)));
IPv6Address parentStart = random.GetIPv6Address();
IPv6Address parentEnd = random.GetIPv6AddressGreaterThan(parentStart);
List <IPv6Address> parentExcludedAddresses = random.GetIPv6AddressesBetween(parentStart, parentEnd);
TimeSpan? parentPreferedLifeTime = null;
TimeSpan? parentValuidLifetime = null;
DHCPv6TimeScale parentT1 = DHCPv6TimeScale.FromDouble(0.3);
DHCPv6TimeScale parentT2 = null;
Boolean?parentReuseAddressIfPossible = null;
DHCPv6ScopeAddressProperties.AddressAllocationStrategies?parentAllocationStrategy = null;
Boolean?parentSupportDirectUnicast = null;
Boolean?parentAcceptDecline = null;
Boolean?parentInformsAreAllowd = null;
if (random.NextBoolean() == true)
{
parentPreferedLifeTime = TimeSpan.FromMinutes(random.Next());
}
if (random.NextBoolean() == true)
{
parentValuidLifetime = TimeSpan.FromMinutes(random.Next());
}
if (random.NextBoolean() == true)
{
parentReuseAddressIfPossible = random.NextBoolean();
}
if (random.NextBoolean() == true)
{
parentAllocationStrategy = DHCPv6ScopeAddressProperties.AddressAllocationStrategies.Random;
}
if (random.NextBoolean() == true)
{
parentSupportDirectUnicast = random.NextBoolean();
}
if (random.NextBoolean() == true)
{
parentAcceptDecline = random.NextBoolean();
}
if (random.NextBoolean() == true)
{
parentInformsAreAllowd = random.NextBoolean();
}
DHCPv6ScopeAddressProperties parentProperties = new DHCPv6ScopeAddressProperties(
parentStart, parentEnd, parentExcludedAddresses,
parentT1, parentT2,
parentPreferedLifeTime, parentValuidLifetime,
parentReuseAddressIfPossible, parentAllocationStrategy,
parentInformsAreAllowd, parentAcceptDecline, parentInformsAreAllowd,
null, DHCPv6PrefixDelgationInfo.FromValues(IPv6Address.FromString("2001:e68:5423:5ffe::0"), new IPv6SubnetMaskIdentifier(64), new IPv6SubnetMaskIdentifier(70))
);
IPv6Address childStart = random.GetIPv6Address();
IPv6Address childEnd = random.GetIPv6AddressGreaterThan(childStart);
List <IPv6Address> childExcludedAddresses = random.GetIPv6AddressesBetween(childStart, childEnd);
DHCPv6TimeScale childT1 = null;
DHCPv6TimeScale childT2 = DHCPv6TimeScale.FromDouble(0.9);
TimeSpan?childPreferredLifeTime = null;
TimeSpan?childValidLifeTime = null;
Boolean?childReuseAddressIfPossible = null;
DHCPv6ScopeAddressProperties.AddressAllocationStrategies?childAllocationStrategy = null;
Boolean?childSupportDirectUnicast = random.NextDouble() > 0.5;
Boolean?childAcceptDecline = random.NextDouble() > 0.5;
Boolean?childInformsAreAllowd = random.NextDouble() > 0.5;
if (random.NextBoolean() == true)
{
childPreferredLifeTime = TimeSpan.FromMinutes(random.Next());
}
if (random.NextBoolean() == true)
{
childValidLifeTime = TimeSpan.FromMinutes(random.Next());
}
if (random.NextBoolean() == true)
{
childReuseAddressIfPossible = random.NextBoolean();
}
if (random.NextBoolean() == true)
{
childAllocationStrategy = DHCPv6ScopeAddressProperties.AddressAllocationStrategies.Random;
}
if (random.NextBoolean() == true)
{
childSupportDirectUnicast = random.NextBoolean();
}
if (random.NextBoolean() == true)
{
childAcceptDecline = random.NextBoolean();
}
if (random.NextBoolean() == true)
{
childInformsAreAllowd = random.NextBoolean();
}
var childPrefixDelegationInfo = DHCPv6PrefixDelgationInfo.FromValues(IPv6Address.FromString("2001:e68:5423:5ffe::0"), new IPv6SubnetMaskIdentifier(64), new IPv6SubnetMaskIdentifier(70));
DHCPv6ScopeAddressProperties childProperties = new DHCPv6ScopeAddressProperties(
childStart, childEnd, childExcludedAddresses,
childT1, childT2,
childPreferredLifeTime, childValidLifeTime,
childReuseAddressIfPossible, childAllocationStrategy,
childSupportDirectUnicast, childAcceptDecline, childInformsAreAllowd,
null, childPrefixDelegationInfo
);
Guid grantParentId = Guid.NewGuid();
Guid parentId = Guid.NewGuid();
Guid childId = Guid.NewGuid();
List <DomainEvent> events = new List <DomainEvent>
{
new DHCPv6ScopeAddedEvent(new DHCPv6ScopeCreateInstruction
{
Id = grantParentId,
AddressProperties = grantParentProperties,
}),
new DHCPv6ScopeAddedEvent(new DHCPv6ScopeCreateInstruction
{
Id = parentId,
ParentId = grantParentId,
AddressProperties = parentProperties,
}),
new DHCPv6ScopeAddedEvent(new DHCPv6ScopeCreateInstruction
{
Id = childId,
ParentId = parentId,
AddressProperties = childProperties,
}),
};
DHCPv6RootScope rootScope = GetRootScope();
rootScope.Load(events);
DHCPv6Scope scope = rootScope.GetScopeById(childId);
DHCPv6ScopeAddressProperties actualProperties = scope.GetAddressProperties();
DHCPv6ScopeAddressProperties expectedProperties = new DHCPv6ScopeAddressProperties(
childStart, childEnd, grantParentExcludedAddresses.Union(parentExcludedAddresses).Union(childExcludedAddresses).Where(x => x.IsBetween(childStart, childEnd)),
childT1 ?? (parentT1 ?? grantParentT1),
childT2 ?? (parentT2 ?? grantParentT2),
childPreferredLifeTime.HasValue == true ? childPreferredLifeTime.Value : (parentPreferedLifeTime.HasValue == true ? parentPreferedLifeTime.Value : grantParentPreferredLifeTime),
childValidLifeTime.HasValue == true ? childValidLifeTime.Value : (parentValuidLifetime.HasValue == true ? parentValuidLifetime.Value : grantParentValuidLifeTime),
childReuseAddressIfPossible.HasValue == true ? childReuseAddressIfPossible.Value : (parentReuseAddressIfPossible.HasValue == true ? parentReuseAddressIfPossible.Value : grantParentReuseAddressIfPossible),
childAllocationStrategy.HasValue == true ? childAllocationStrategy.Value : (parentAllocationStrategy.HasValue == true ? parentAllocationStrategy.Value : grantParentAllocationStrategy),
childSupportDirectUnicast.HasValue == true ? childSupportDirectUnicast.Value : (parentSupportDirectUnicast.HasValue == true ? parentSupportDirectUnicast.Value : grantParentSupportDirectUnicast),
childAcceptDecline.HasValue == true ? childAcceptDecline.Value : (parentAcceptDecline.HasValue == true ? parentAcceptDecline.Value : grantParentAcceptDecline),
childInformsAreAllowd.HasValue == true ? childInformsAreAllowd.Value : (parentInformsAreAllowd.HasValue == true ? parentInformsAreAllowd.Value : grantParentInformsAreAllowd),
null,
childPrefixDelegationInfo
);
Assert.Equal(expectedProperties, actualProperties);
}
}
public void HandleRelease_NoLeaseFound(Boolean withPrefixDelegation, Boolean isUnicast)
{
Random random = new Random();
UInt32 prefixId = random.NextUInt32();
Byte prefixLength = (Byte)random.Next(34, 64);
IPv6Address prefixNetworkAddress = IPv6Address.FromString("fd01::0");
DHCPv6PacketOption[] options = Array.Empty <DHCPv6PacketOption>();
if (withPrefixDelegation == true)
{
options = new DHCPv6PacketOption[] {
new DHCPv6PacketIdentityAssociationPrefixDelegationOption(prefixId, TimeSpan.FromSeconds(random.Next()), TimeSpan.FromSeconds(random.Next()), new DHCPv6PacketSuboption[] {
new DHCPv6PacketIdentityAssociationPrefixDelegationSuboption(TimeSpan.FromSeconds(random.Next()), TimeSpan.FromSeconds(random.Next()), prefixLength, prefixNetworkAddress, Array.Empty <DHCPv6PacketSuboption>())
})
};
}
var packet = isUnicast == true?
GetReleasePacket(random, out IPv6Address leasedAddress, out _, out UInt32 iaId, true, options) :
GetRelayedReleasePacket(random, out leasedAddress, out _, out iaId, true, options);
var resolverInformations = GetMockupResolver(packet, out Mock <IScopeResolverManager <DHCPv6Packet, IPv6Address> > scopeResolverMock);
Guid scopeId = random.NextGuid();
Guid leaseId = random.NextGuid();
DateTime leaseCreatedAt = DateTime.UtcNow;
DHCPv6RootScope rootScope = GetRootScope(scopeResolverMock);
rootScope.Load(new List <DomainEvent> {
new DHCPv6ScopeEvents.DHCPv6ScopeAddedEvent(
new DHCPv6ScopeCreateInstruction
{
AddressProperties = new DHCPv6ScopeAddressProperties(
IPv6Address.FromString("fe80::01"),
IPv6Address.FromString("fe80::ff"),
new List <IPv6Address> {
IPv6Address.FromString("fe80::02")
},
preferredLifeTime: TimeSpan.FromDays(0.5),
validLifeTime: TimeSpan.FromDays(1),
reuseAddressIfPossible: false,
prefixDelgationInfo: DHCPv6PrefixDelgationInfo.FromValues(IPv6Address.FromString("2140:1::0"), new IPv6SubnetMaskIdentifier(32), new IPv6SubnetMaskIdentifier(prefixLength)),
addressAllocationStrategy: DHCPv6ScopeAddressProperties.AddressAllocationStrategies.Next),
ResolverInformation = resolverInformations,
Name = "Testscope",
Id = scopeId,
}),
new DHCPv6LeaseCreatedEvent
{
EntityId = leaseId,
Address = leasedAddress,
ClientIdentifier = new UUIDDUID(random.NextGuid()),
IdentityAssocationId = iaId,
ScopeId = scopeId,
StartedAt = leaseCreatedAt,
ValidUntil = DateTime.UtcNow.AddDays(1),
HasPrefixDelegation = withPrefixDelegation,
PrefixLength = prefixLength,
IdentityAssocationIdForPrefix = prefixId,
DelegatedNetworkAddress = prefixNetworkAddress,
},
new DHCPv6LeaseActivatedEvent
{
EntityId = leaseId,
ScopeId = scopeId,
}
});
DHCPv6Packet result = rootScope.HandleRelease(packet, GetServerPropertiesResolver());
CheckErrorPacket(packet, leasedAddress, iaId, result, withPrefixDelegation == false ? DHCPv6PrefixDelegation.None : DHCPv6PrefixDelegation.FromValues(prefixNetworkAddress, new IPv6SubnetMask(new IPv6SubnetMaskIdentifier(prefixLength)), prefixId), DHCPv6StatusCodes.NoBinding);
DHCPv6Lease lease = rootScope.GetScopeById(scopeId).Leases.GetLeaseById(leaseId);
Assert.Equal(LeaseStates.Active, lease.State);
CheckEventAmount(1, rootScope);
CheckHandeledEvent(0, packet, result, rootScope, scopeId, DHCPv6ReleaseHandledEvent.ReleaseError.NoLeaseFound);
}
public async Task HandleRebind_LeaseFound_ReuseIsNotAllowed_TwoPackets(Boolean withPrefixDelegation)
{
Random random = new Random();
UInt32 prefixId = random.NextBoolean() == false?random.NextUInt32() : 0;
Byte prefixLength = (Byte)random.Next(34, 64);
IPv6Address prefixNetworkAddress = IPv6Address.FromString("fd01::0");
DHCPv6PacketOption[] options = Array.Empty <DHCPv6PacketOption>();
if (withPrefixDelegation == true)
{
options = new DHCPv6PacketOption[] {
new DHCPv6PacketIdentityAssociationPrefixDelegationOption(prefixId, TimeSpan.FromSeconds(random.Next()), TimeSpan.FromSeconds(random.Next()), Array.Empty <DHCPv6PacketSuboption>())
};
}
var packet = GetRelayedRebindPacket(random, out IPv6Address _, out DUID clientDuid, out UInt32 iaId, true, options);
var resolverInformations = GetMockupResolver(packet, out Mock <IScopeResolverManager <DHCPv6Packet, IPv6Address> > scopeResolverMock);
Guid scopeId = random.NextGuid();
Guid leaseId = random.NextGuid();
IPv6Address leasedAddress = IPv6Address.FromString("fe80::01");
IPv6Address expectedAddress = IPv6Address.FromString("fe80::03");
DateTime leaseCreatedAt = DateTime.UtcNow.AddHours(-2);
DHCPv6RootScope rootScope = GetRootScope(scopeResolverMock);
rootScope.Load(new List <DomainEvent> {
new DHCPv6ScopeEvents.DHCPv6ScopeAddedEvent(
new DHCPv6ScopeCreateInstruction
{
AddressProperties = new DHCPv6ScopeAddressProperties(
IPv6Address.FromString("fe80::01"),
IPv6Address.FromString("fe80::ff"),
new List <IPv6Address> {
IPv6Address.FromString("fe80::02")
},
t1: DHCPv6TimeScale.FromDouble(0.5),
t2: DHCPv6TimeScale.FromDouble(0.75),
preferredLifeTime: TimeSpan.FromDays(0.5),
validLifeTime: TimeSpan.FromDays(1),
reuseAddressIfPossible: false,
prefixDelgationInfo: DHCPv6PrefixDelgationInfo.FromValues(IPv6Address.FromString("2140:1::0"), new IPv6SubnetMaskIdentifier(32), new IPv6SubnetMaskIdentifier(prefixLength)),
addressAllocationStrategy: DHCPv6ScopeAddressProperties.AddressAllocationStrategies.Next),
ResolverInformation = resolverInformations,
Name = "Testscope",
Id = scopeId,
}),
new DHCPv6LeaseCreatedEvent
{
EntityId = leaseId,
Address = leasedAddress,
ClientIdentifier = clientDuid,
IdentityAssocationId = iaId,
ScopeId = scopeId,
StartedAt = leaseCreatedAt,
ValidUntil = DateTime.UtcNow.AddDays(1),
HasPrefixDelegation = withPrefixDelegation,
PrefixLength = prefixLength,
IdentityAssocationIdForPrefix = prefixId,
DelegatedNetworkAddress = prefixNetworkAddress,
},
new DHCPv6LeaseActivatedEvent
{
EntityId = leaseId,
ScopeId = scopeId,
}
});
Guid serverId = random.NextGuid();
var revokedLease = rootScope.GetScopeById(scopeId).Leases.GetLeaseById(leaseId);
DHCPv6Packet result = rootScope.HandleRebind(packet, GetServerPropertiesResolver(serverId));
await Task.Delay(3000);
DHCPv6Packet secondResult = rootScope.HandleRebind(packet, GetServerPropertiesResolver(serverId));
Assert.Equal(result, secondResult);
DHCPv6Lease lease = CheckLease(0, 1, expectedAddress, scopeId, rootScope, DateTime.UtcNow, clientDuid, iaId, false, withPrefixDelegation);
CheckPacket(packet, expectedAddress, iaId, result, DHCPv6PacketTypes.REPLY, withPrefixDelegation == false ? DHCPv6PrefixDelegation.None : DHCPv6PrefixDelegation.FromValues(lease.PrefixDelegation.NetworkAddress, new IPv6SubnetMask(new IPv6SubnetMaskIdentifier(prefixLength)), prefixId));
Assert.False(revokedLease.IsActive());
Assert.Equal(LeaseStates.Revoked, revokedLease.State);
CheckEventAmount(5, rootScope);
CheckRevokedEvent(0, scopeId, leaseId, rootScope);
CheckLeaseCreatedEvent(1, clientDuid, iaId, scopeId, rootScope, expectedAddress, lease);
CheckLeaseActivatedEvent(2, scopeId, lease.Id, rootScope);
CheckHandeledEvent(3, packet, result, rootScope, scopeId, DHCPv6RebindHandledEvent.RebindErrors.NoError);
CheckHandeledEvent(4, packet, result, rootScope, scopeId, DHCPv6RebindHandledEvent.RebindErrors.NoError);
}
public async Task Handle_WithParentId(Boolean storeResult)
{
Random random = new();
Guid scopeId = random.NextGuid();
Guid parentId = random.NextGuid();
String name = random.GetAlphanumericString();
String description = random.GetAlphanumericString();
String resolverName = random.GetAlphanumericString();
Mock <IScopeResolver <DHCPv6Packet, IPv6Address> > resolverMock = new Mock <IScopeResolver <DHCPv6Packet, IPv6Address> >(MockBehavior.Strict);
Mock <IScopeResolverManager <DHCPv6Packet, IPv6Address> > scopeResolverMock = new Mock <IScopeResolverManager <DHCPv6Packet, IPv6Address> >();
scopeResolverMock.Setup(x => x.InitializeResolver(It.Is <CreateScopeResolverInformation>(y =>
y.Typename == resolverName
))).Returns(resolverMock.Object).Verifiable();
Mock <ILoggerFactory> factoryMock = new Mock <ILoggerFactory>(MockBehavior.Strict);
factoryMock.Setup(x => x.CreateLogger(It.IsAny <String>())).Returns(Mock.Of <ILogger <DHCPv6RootScope> >());
DHCPv6RootScope rootScope = new DHCPv6RootScope(random.NextGuid(), scopeResolverMock.Object, factoryMock.Object);
rootScope.Load(new DomainEvent[] { new DHCPv6ScopeAddedEvent {
Instructions = new DHCPv6ScopeCreateInstruction
{
Name = random.GetAlphanumericString(),
Description = random.GetAlphanumericString(),
Id = parentId,
ParentId = null,
ResolverInformation = new CreateScopeResolverInformation
{
Typename = resolverName,
},
ScopeProperties = new DHCPv6ScopeProperties(),
AddressProperties = DHCPv6ScopeAddressProperties.Empty,
}
},
new DHCPv6ScopeAddedEvent {
Instructions = new DHCPv6ScopeCreateInstruction
{
Name = random.GetAlphanumericString(),
Description = random.GetAlphanumericString(),
Id = scopeId,
ParentId = null,
ResolverInformation = new CreateScopeResolverInformation
{
Typename = resolverName,
},
ScopeProperties = new DHCPv6ScopeProperties(),
AddressProperties = DHCPv6ScopeAddressProperties.Empty,
}
}, });
Mock <IDHCPv6StorageEngine> storageMock = new Mock <IDHCPv6StorageEngine>(MockBehavior.Strict);
storageMock.Setup(x => x.Save(rootScope)).ReturnsAsync(storeResult).Verifiable();
var command = new UpdateDHCPv6ScopeParentCommand(scopeId, parentId);
var handler = new UpdateDHCPv6ScopeParentCommandHandler(storageMock.Object, rootScope, Mock.Of <ILogger <UpdateDHCPv6ScopeParentCommandHandler> >());
Boolean result = await handler.Handle(command, CancellationToken.None);
Assert.Equal(storeResult, result);
var parentScope = rootScope.GetScopeById(parentId);
var childIds = parentScope.GetChildIds(true);
Assert.Single(childIds);
Assert.Equal(scopeId, childIds.First());
scopeResolverMock.Verify();
storageMock.Verify();
}
public async Task Handle_WithChildren(Boolean requestedToDeleteChildrenAsWell)
{
Random random = new Random();
Guid grantParentId = random.NextGuid();
Guid parentId = random.NextGuid();
Guid childId = random.NextGuid();
String resolverName = random.GetAlphanumericString();
Mock <IScopeResolverManager <DHCPv6Packet, IPv6Address> > scopeResolverMock = new Mock <IScopeResolverManager <DHCPv6Packet, IPv6Address> >();
scopeResolverMock.Setup(x => x.InitializeResolver(It.Is <CreateScopeResolverInformation>(y =>
y.Typename == resolverName
))).Returns(Mock.Of <IScopeResolver <DHCPv6Packet, IPv6Address> >()).Verifiable();
Mock <ILoggerFactory> factoryMock = new Mock <ILoggerFactory>(MockBehavior.Strict);
factoryMock.Setup(x => x.CreateLogger(It.IsAny <String>())).Returns(Mock.Of <ILogger <DHCPv6RootScope> >());
DHCPv6RootScope rootScope = new DHCPv6RootScope(random.NextGuid(), scopeResolverMock.Object, factoryMock.Object);
rootScope.Load(new[] {
new DHCPv6ScopeAddedEvent
{
Instructions = new DHCPv6ScopeCreateInstruction
{
Id = grantParentId,
ResolverInformation = new CreateScopeResolverInformation
{
Typename = resolverName,
},
AddressProperties = new DHCPv6ScopeAddressProperties(IPv6Address.FromString("fe80::1"), IPv6Address.FromString("fe80::2")),
}
},
new DHCPv6ScopeAddedEvent
{
Instructions = new DHCPv6ScopeCreateInstruction
{
Id = parentId,
ParentId = grantParentId,
ResolverInformation = new CreateScopeResolverInformation
{
Typename = resolverName,
},
AddressProperties = new DHCPv6ScopeAddressProperties(IPv6Address.FromString("fe80::1"), IPv6Address.FromString("fe80::2")),
}
},
new DHCPv6ScopeAddedEvent
{
Instructions = new DHCPv6ScopeCreateInstruction
{
Id = childId,
ParentId = parentId,
ResolverInformation = new CreateScopeResolverInformation
{
Typename = resolverName,
},
AddressProperties = new DHCPv6ScopeAddressProperties(IPv6Address.FromString("fe80::1"), IPv6Address.FromString("fe80::2")),
}
},
});
Mock <IDHCPv6StorageEngine> storageMock = new Mock <IDHCPv6StorageEngine>(MockBehavior.Strict);
storageMock.Setup(x => x.Save(rootScope)).ReturnsAsync(true).Verifiable();
var command = new DeleteDHCPv6ScopeCommand(parentId, requestedToDeleteChildrenAsWell);
var handler = new DeleteDHCPv6ScopeCommandHandler(storageMock.Object, rootScope,
Mock.Of <ILogger <DeleteDHCPv6ScopeCommandHandler> >());
Boolean result = await handler.Handle(command, CancellationToken.None);
Assert.True(result);
var changes = rootScope.GetChanges();
if (requestedToDeleteChildrenAsWell == true)
{
Assert.Null(rootScope.GetScopeById(childId));
Assert.Equal(2, changes.Count());
var firstEvent = changes.ElementAt(0) as DHCPv6ScopeDeletedEvent;
Assert.Equal(childId, firstEvent.EntityId);
var secondEvent = changes.ElementAt(1) as DHCPv6ScopeDeletedEvent;
Assert.Equal(parentId, secondEvent.EntityId);
}
else
{
Assert.Single(changes);
}
Assert.Null(rootScope.GetScopeById(parentId));
Assert.NotNull(rootScope.GetScopeById(grantParentId));
storageMock.Verify();
}