public void HandleRenew_LeaseFound_ReuseIsAllowed(Boolean withPrefixDelegation, Boolean isUnicast)
{
Random random = new Random();
UInt32 prefixId = random.NextUInt32();
Byte prefixLength = (Byte)random.Next(20, 60);
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 = isUnicast == true?
GetRenewPacket(random, out IPv6Address _, out DUID clientDuid, out UInt32 iaId, true, options) :
GetRelayedRenewPacket(random, out IPv6Address _, out clientDuid, out 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::2");
DateTime leaseCreatedAt = DateTime.UtcNow;
DHCPv6RootScope rootScope = GetRootScope(scopeResolverMock);
rootScope.Load(new List <DomainEvent> {
new DHCPv6ScopeEvents.DHCPv6ScopeAddedEvent(
new DHCPv6ScopeCreateInstruction
{
AddressProperties = new DHCPv6ScopeAddressProperties(
IPv6Address.FromString("fe80::0"),
IPv6Address.FromString("fe80::ff"),
new List <IPv6Address> {
IPv6Address.FromString("fe80::1")
},
t1: DHCPv6TimeScale.FromDouble(0.5),
t2: DHCPv6TimeScale.FromDouble(0.75),
preferredLifeTime: TimeSpan.FromDays(0.5),
validLifeTime: TimeSpan.FromDays(1),
reuseAddressIfPossible: true),
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,
}
});
DHCPv6Packet result = rootScope.HandleRenew(packet, GetServerPropertiesResolver());
CheckPacket(packet, leasedAddress, iaId, result, DHCPv6PacketTypes.REPLY, withPrefixDelegation == false ? DHCPv6PrefixDelegation.None : DHCPv6PrefixDelegation.FromValues(prefixNetworkAddress, new IPv6SubnetMask(new IPv6SubnetMaskIdentifier(prefixLength)), prefixId));
DHCPv6Lease lease = CheckLease(0, 1, leasedAddress, scopeId, rootScope, leaseCreatedAt, clientDuid, iaId, false, withPrefixDelegation);
CheckEventAmount(2, rootScope);
CheckLeaseRenewdEvent(scopeId, rootScope, lease, false, false);
CheckHandeledEvent(1, packet, result, rootScope, scopeId, DHCPv6RenewHandledEvent.RenewErrors.NoError);
}
public void HandleRenew_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?
GetRenewPacket(random, out IPv6Address leasedAddress, out _, out UInt32 iaId, true, options) :
GetRelayedRenewPacket(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.HandleRenew(packet, GetServerPropertiesResolver());
CheckErrorPacket(packet, leasedAddress, iaId, result, withPrefixDelegation == false ? DHCPv6PrefixDelegation.None : DHCPv6PrefixDelegation.FromValues(prefixNetworkAddress, new IPv6SubnetMask(new IPv6SubnetMaskIdentifier(prefixLength)), prefixId), DHCPv6StatusCodes.NoBinding);
CheckEventAmount(1, rootScope);
CheckHandeledEvent(0, packet, result, rootScope, scopeId, DHCPv6RenewHandledEvent.RenewErrors.LeaseNotFound);
}
public async Task HandleRenew_OnlyPrefix_LeaseFound_NotReuseAddress(Boolean isUnicast, Boolean sendSecondPacket)
{
Random random = new Random();
UInt32 prefixId = random.NextUInt32();
Byte prefixLength = 36;
IPv6Address prefixNetworkAddress = IPv6Address.FromString("2140:1::0");
IPv6Address leasedAddress = IPv6Address.FromString("fe80::4");
DHCPv6PacketOption[] 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?
GetRenewPacket(random, out IPv6Address _, out DUID clientDuid, out UInt32 _, false, options) :
GetRelayedRenewPacket(random, out IPv6Address _, out clientDuid, out UInt32 _, false, options);
var resolverInformations = GetMockupResolver(packet, out Mock <IScopeResolverManager <DHCPv6Packet, IPv6Address> > scopeResolverMock);
Guid scopeId = random.NextGuid();
Guid leaseId = random.NextGuid();
UInt32 iaId = random.NextUInt32();
DateTime leaseCreatedAt = DateTime.UtcNow.AddHours(-random.Next(4, 10));
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),
t1: DHCPv6TimeScale.FromDouble(0.5),
t2: DHCPv6TimeScale.FromDouble(0.75),
reuseAddressIfPossible: false,
prefixDelgationInfo: DHCPv6PrefixDelgationInfo.FromValues(IPv6Address.FromString("2140:1::0"), new IPv6SubnetMaskIdentifier(32), new IPv6SubnetMaskIdentifier(prefixLength)),
addressAllocationStrategy: DHCPv6ScopeAddressProperties.AddressAllocationStrategies.Random),
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 = true,
PrefixLength = prefixLength,
IdentityAssocationIdForPrefix = prefixId,
DelegatedNetworkAddress = prefixNetworkAddress,
},
new DHCPv6LeaseActivatedEvent
{
EntityId = leaseId,
ScopeId = scopeId,
},
new DHCPv6LeaseRenewedEvent
{
EntityId = leaseId,
ScopeId = scopeId,
ResetPrefix = true,
End = DateTime.UtcNow.AddDays(1)
}
});
DHCPv6Packet result = rootScope.HandleRenew(packet, GetServerPropertiesResolver());
DHCPv6Lease lease = CheckLease(0, 1, leasedAddress, scopeId, rootScope, leaseCreatedAt, clientDuid, iaId, false, true);
CheckPacket(packet, leasedAddress, 0, result, DHCPv6PacketTypes.REPLY, DHCPv6PrefixDelegation.FromValues(lease.PrefixDelegation.NetworkAddress, new IPv6SubnetMask(new IPv6SubnetMaskIdentifier(prefixLength)), prefixId));
DHCPv6Packet secondResponse = null;
if (sendSecondPacket == true)
{
await Task.Delay(1000);
secondResponse = rootScope.HandleRenew(packet, GetServerPropertiesResolver());
CheckPacket(packet, leasedAddress, 0, secondResponse, DHCPv6PacketTypes.REPLY, DHCPv6PrefixDelegation.FromValues(lease.PrefixDelegation.NetworkAddress, new IPv6SubnetMask(new IPv6SubnetMaskIdentifier(prefixLength)), prefixId));
}
CheckPacket(packet, leasedAddress, 0, result, DHCPv6PacketTypes.REPLY, DHCPv6PrefixDelegation.FromValues(lease.PrefixDelegation.NetworkAddress, new IPv6SubnetMask(new IPv6SubnetMaskIdentifier(prefixLength)), prefixId));
CheckEventAmount(sendSecondPacket == false ? 2 : 3, rootScope);
CheckDHCPv6LeasePrefixAddedEvent(0, prefixId, scopeId, rootScope, lease);
CheckHandeledEvent(1, packet, result, rootScope, scopeId, DHCPv6RenewHandledEvent.RenewErrors.NoError);
if (sendSecondPacket == true)
{
CheckHandeledEvent(2, packet, secondResponse, rootScope, scopeId, DHCPv6RenewHandledEvent.RenewErrors.NoError);
}
var trigger = CheckTrigger <PrefixEdgeRouterBindingUpdatedTrigger>(rootScope);
Assert.Null(trigger.OldBinding);
Assert.NotNull(trigger.NewBinding);
Assert.Equal(leasedAddress, trigger.NewBinding.Host);
Assert.Equal(lease.PrefixDelegation.NetworkAddress, trigger.NewBinding.Prefix);
Assert.Equal(new IPv6SubnetMask(new IPv6SubnetMaskIdentifier(prefixLength)), trigger.NewBinding.Mask);
}
public async Task HandleRenew_LeaseFound_ReuseIsNotAllowed_TwoPackets(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()), Array.Empty <DHCPv6PacketSuboption>())
};
}
var packet = isUnicast == true?
GetRenewPacket(random, out IPv6Address _, out DUID clientDuid, out UInt32 iaId, true, options) :
GetRelayedRenewPacket(random, out IPv6Address _, out clientDuid, out 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.AddMinutes(-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.HandleRenew(packet, GetServerPropertiesResolver(serverId));
await Task.Delay(200);
DHCPv6Packet secondResult = rootScope.HandleRenew(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, DHCPv6RenewHandledEvent.RenewErrors.NoError);
CheckHandeledEvent(4, packet, result, rootScope, scopeId, DHCPv6RenewHandledEvent.RenewErrors.NoError);
}