public void HandleRelease_LeaseExists_AddressIsActive()
{
Random random = new Random();
IPv4Address leasedAddress = IPv4Address.FromString("192.168.178.10");
IPv4HeaderInformation headerInformation =
new IPv4HeaderInformation(leasedAddress, IPv4Address.FromString("192.168.178.1"));
Byte[] clientMacAdress = random.NextBytes(6);
DHCPv4Packet requestPacket = new DHCPv4Packet(
headerInformation, clientMacAdress, (UInt32)random.Next(),
IPv4Address.Empty, IPv4Address.Empty, IPv4Address.Empty,
DHCPv4PacketFlags.Unicast,
new DHCPv4PacketMessageTypeOption(DHCPv4MessagesTypes.Release)
);
Mock <IScopeResolverManager <DHCPv4Packet, IPv4Address> > scopeResolverMock =
new Mock <IScopeResolverManager <DHCPv4Packet, IPv4Address> >(MockBehavior.Strict);
var resolverInformations = new CreateScopeResolverInformation
{
Typename = nameof(DHCPv4RelayAgentSubnetResolver),
};
Mock <IScopeResolver <DHCPv4Packet, IPv4Address> > resolverMock = new Mock <IScopeResolver <DHCPv4Packet, IPv4Address> >(MockBehavior.Strict);
scopeResolverMock.Setup(x => x.InitializeResolver(resolverInformations)).Returns(resolverMock.Object);
Guid scopeId = random.NextGuid();
Guid leaseId = random.NextGuid();
DateTime leaseCreatedAt = DateTime.UtcNow.AddHours(-1);
DHCPv4RootScope rootScope = GetRootScope(scopeResolverMock);
rootScope.Load(new List <DomainEvent> {
new DHCPv4ScopeEvents.DHCPv4ScopeAddedEvent(
new DHCPv4ScopeCreateInstruction
{
AddressProperties = new DHCPv4ScopeAddressProperties(
IPv4Address.FromString("192.168.178.1"),
IPv4Address.FromString("192.168.178.255"),
new List <IPv4Address> {
IPv4Address.FromString("192.168.178.1")
},
leaseTime: TimeSpan.FromDays(1)
),
ResolverInformation = resolverInformations,
Name = "Testscope",
Id = scopeId,
}),
new DHCPv4LeaseCreatedEvent
{
EntityId = leaseId,
Address = leasedAddress,
ClientIdenfier = DHCPv4ClientIdentifier.FromHwAddress(clientMacAdress).GetBytes(),
ScopeId = scopeId,
UniqueIdentifier = null,
StartedAt = leaseCreatedAt,
ValidUntil = DateTime.UtcNow.AddDays(1),
},
new DHCPv4LeaseActivatedEvent
{
EntityId = leaseId,
ScopeId = scopeId,
},
});
DHCPv4Lease lease = rootScope.GetScopeById(scopeId).Leases.GetLeaseById(leaseId);
DHCPv4Packet result = rootScope.HandleRelease(requestPacket);
Assert.Equal(DHCPv4Packet.Empty, result);
CheckIfLeaseIsRelease(lease);
CheckEventAmount(2, rootScope);
CheckLeaseReleasedEvent(0, scopeId, rootScope, leaseId);
CheckHandeledEvent(1, ReleaseError.NoError, requestPacket, rootScope);
}
public void HandleRelease_LeaseExists_AddressIsActive_NotSentDiscover()
{
Random random = new Random();
IPv4Address leasedAddress = IPv4Address.FromString("192.168.178.10");
IPv4HeaderInformation headerInformation =
new IPv4HeaderInformation(leasedAddress, IPv4Address.FromString("192.168.178.1"));
Byte[] clientMacAdress = random.NextBytes(6);
DHCPv4Packet requestPacket = new DHCPv4Packet(
headerInformation, clientMacAdress, (UInt32)random.Next(),
IPv4Address.Empty, IPv4Address.Empty, IPv4Address.Empty,
DHCPv4PacketFlags.Unicast,
new DHCPv4PacketMessageTypeOption(DHCPv4MessagesTypes.Release)
);
DHCPv4Packet discoverPacket = new DHCPv4Packet(
headerInformation, clientMacAdress, (UInt32)random.Next(),
IPv4Address.Empty, IPv4Address.Empty, IPv4Address.Empty,
DHCPv4PacketFlags.Broadcast,
new DHCPv4PacketMessageTypeOption(DHCPv4MessagesTypes.Discover),
new DHCPv4PacketClientIdentifierOption(DHCPv4ClientIdentifier.FromIdentifierValue("random test client"))
);
Mock <IScopeResolver <DHCPv4Packet, IPv4Address> > resolverMock = new Mock <IScopeResolver <DHCPv4Packet, IPv4Address> >(MockBehavior.Strict);
resolverMock.Setup(x => x.PacketMeetsCondition(discoverPacket)).Returns(true);
resolverMock.SetupGet(x => x.HasUniqueIdentifier).Returns(false);
Mock <IScopeResolverManager <DHCPv4Packet, IPv4Address> > scopeResolverMock =
new Mock <IScopeResolverManager <DHCPv4Packet, IPv4Address> >(MockBehavior.Strict);
var resolverInformations = new CreateScopeResolverInformation
{
Typename = nameof(DHCPv4RelayAgentSubnetResolver),
};
scopeResolverMock.Setup(x => x.InitializeResolver(resolverInformations)).Returns(resolverMock.Object);
Guid scopeId = random.NextGuid();
Guid leaseId = random.NextGuid();
DateTime leaseCreatedAt = DateTime.UtcNow.AddHours(-1);
DHCPv4RootScope rootScope = GetRootScope(scopeResolverMock);
rootScope.Load(new List <DomainEvent> {
new DHCPv4ScopeEvents.DHCPv4ScopeAddedEvent(
new DHCPv4ScopeCreateInstruction
{
AddressProperties = new DHCPv4ScopeAddressProperties(
IPv4Address.FromString("192.168.178.1"),
IPv4Address.FromString("192.168.178.255"),
new List <IPv4Address> {
IPv4Address.FromString("192.168.178.1")
},
leaseTime: TimeSpan.FromDays(1),
renewalTime: TimeSpan.FromHours(12),
preferredLifetime: TimeSpan.FromHours(18),
reuseAddressIfPossible: true,
acceptDecline: true,
addressAllocationStrategy: DHCPv4ScopeAddressProperties.AddressAllocationStrategies.Next,
supportDirectUnicast: true,
maskLength: 24
),
ResolverInformation = resolverInformations,
Name = "Testscope",
Id = scopeId,
}),
new DHCPv4LeaseCreatedEvent
{
EntityId = leaseId,
Address = leasedAddress,
ClientIdenfier = DHCPv4ClientIdentifier.FromIdentifierValue("random test client").GetBytes(),
ScopeId = scopeId,
UniqueIdentifier = null,
StartedAt = leaseCreatedAt,
ValidUntil = DateTime.UtcNow.AddDays(1),
},
new DHCPv4LeaseActivatedEvent
{
EntityId = leaseId,
ScopeId = scopeId,
},
});
DHCPv4Lease existingLease = rootScope.GetScopeById(scopeId).Leases.GetLeaseById(leaseId);
DHCPv4Packet releaseResult = rootScope.HandleRelease(requestPacket);
Assert.Equal(DHCPv4Packet.Empty, releaseResult);
CheckIfLeaseIsRelease(existingLease);
CheckEventAmount(2, rootScope);
CheckLeaseReleasedEvent(0, scopeId, rootScope, leaseId);
CheckHandeledEvent(1, ReleaseError.NoError, requestPacket, rootScope);
DHCPv4Packet discoveryResult = rootScope.HandleDiscover(discoverPacket);
IPv4Address newAssignedAddress = IPv4Address.FromString("192.168.178.2");
Assert.Equal(newAssignedAddress, discoveryResult.YourIPAdress);
}
