public void TestInform_RootScopeAcceptInforms()
{
Random random = new Random();
IPv4Address start = random.GetIPv4Address();
IPv4Address end = random.GetIPv4AddressGreaterThan(start);
IPv4Address sourceAddress = random.GetIPv4AddressBetween(start, end);
DHCPv4Packet input = GetInformPacket(random, sourceAddress);
DHCPv4RootScope rootScope = GetRootScope();
Guid scopeId = Guid.NewGuid();
rootScope.Load(new List <DomainEvent> {
new DHCPv4ScopeAddedEvent(new DHCPv4ScopeCreateInstruction
{
AddressProperties = new DHCPv4ScopeAddressProperties(start, end, new List <IPv4Address>(), informsAreAllowd: true),
Id = scopeId,
})
});
DHCPv4Packet result = rootScope.HandleInform(input);
DHCPv4InformHandledEvent domainEvent = TestResult <DHCPv4InformHandledEvent>(
input, result, false, true, scopeId, rootScope);
Assert.Equal(InformErros.NoError, domainEvent.Error);
}
public void HandleInform_InformsAreAllowed()
{
Random random = new Random();
IPv4Address clientAddress = IPv4Address.FromString("192.168.178.10");
IPv4HeaderInformation headerInformation =
new IPv4HeaderInformation(clientAddress, IPv4Address.FromString("192.168.178.1"));
Byte[] clientMacAdress = random.NextBytes(6);
DHCPv4Packet requestPacket = new DHCPv4Packet(
headerInformation, clientMacAdress, (UInt32)random.Next(),
IPv4Address.Empty, IPv4Address.Empty, clientAddress,
DHCPv4PacketFlags.Unicast,
new DHCPv4PacketMessageTypeOption(DHCPv4MessagesTypes.Inform)
);
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();
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")
},
informsAreAllowd: true
),
ResolverInformation = resolverInformations,
Name = "Testscope",
Id = scopeId,
})
});
DHCPv4Packet result = rootScope.HandleInform(requestPacket);
CheckAcknowledgePacket(clientAddress, result);
CheckEventAmount(1, rootScope);
CheckHandeledEvent(0, InformErros.NoError, requestPacket, result, rootScope);
}
public void TestInform_RandomScopeAcceptInforms()
{
Random random = new Random();
IPv4Address start = random.GetIPv4Address();
IPv4Address end = random.GetIPv4AddressGreaterThan(start);
IPv4Address sourceAddress = random.GetIPv4AddressBetween(start, end);
List <Tuple <IPv4Address, IPv4Address> > existingRanges = new List <Tuple <IPv4Address, IPv4Address> >
{
new Tuple <IPv4Address, IPv4Address>(start, end),
};
DHCPv4Packet input = GetInformPacket(random, sourceAddress);
Int32 rootScopeAmount = random.Next(3, 10);
List <DomainEvent> events = new List <DomainEvent>();
for (int i = 0; i < rootScopeAmount; i++)
{
Guid rootScopeId = Guid.NewGuid();
Tuple <IPv4Address, IPv4Address> addressRange = random.GenerateUniqueAddressRange(existingRanges);
events.Add(new DHCPv4ScopeAddedEvent(new DHCPv4ScopeCreateInstruction
{
Id = rootScopeId,
AddressProperties = new DHCPv4ScopeAddressProperties
(addressRange.Item1, addressRange.Item2, Array.Empty <IPv4Address>(), informsAreAllowd: true)
}));
GenerateScopeTree(
random.NextDouble(), random,
rootScopeId, existingRanges, events);
}
Int32 randomScopeIndex = random.Next(0, events.Count);
DHCPv4ScopeAddedEvent corelatedScopeEvent = (DHCPv4ScopeAddedEvent)events[randomScopeIndex];
corelatedScopeEvent.Instructions.AddressProperties = new DHCPv4ScopeAddressProperties
(start, end, Array.Empty <IPv4Address>(), informsAreAllowd: true);
Guid scopeId = corelatedScopeEvent.Instructions.Id;
DHCPv4RootScope rootScope = GetRootScope();
rootScope.Load(events);
DHCPv4Packet result = rootScope.HandleInform(input);
DHCPv4InformHandledEvent domainEvent = TestResult <DHCPv4InformHandledEvent>(
input, result, false, true, scopeId, rootScope);
Assert.Equal(InformErros.NoError, domainEvent.Error);
}
public void TestInform_ScopeNotFound()
{
Random random = new Random();
IPv4Address sourceAddress = random.GetIPv4Address();
DHCPv4Packet input = GetInformPacket(random, sourceAddress);
DHCPv4RootScope rootScope = GetRootScope();
DHCPv4Packet result = rootScope.HandleInform(input);
DHCPv4InformHandledEvent domainEvent = TestResult <DHCPv4InformHandledEvent>(
input, result, true, false, new Guid?(), rootScope);
Assert.Equal(InformErros.ScopeNotFound, domainEvent.Error);
}
public void TestInform_CheckReponsePacket()
{
Random random = new Random();
IPv4Address start = random.GetIPv4Address();
IPv4Address end = random.GetIPv4AddressGreaterThan(start);
IPv4Address sourceAddress = random.GetIPv4AddressBetween(start, end);
IPv4Address destinationAddress = random.GetIPv4AddressBetween(start, end);
DHCPv4Packet input = GetInformPacket(random, sourceAddress, destinationAddress);
List <DHCPv4ScopeProperty> scopeProperties = random.GenerateProperties(new List <DHCPv4OptionTypes>
{
DHCPv4OptionTypes.RebindingTimeValue,
DHCPv4OptionTypes.RenewalTimeValue,
DHCPv4OptionTypes.IPAddressLeaseTime,
DHCPv4OptionTypes.ServerIdentifier,
DHCPv4OptionTypes.MessageType,
});
DHCPv4RootScope rootScope = GetRootScope();
Guid scopeId = Guid.NewGuid();
rootScope.Load(new List <DomainEvent> {
new DHCPv4ScopeAddedEvent(new DHCPv4ScopeCreateInstruction
{
AddressProperties = new DHCPv4ScopeAddressProperties(start, end, new List <IPv4Address>(),
informsAreAllowd: true,
renewalTime: TimeSpan.FromMinutes(random.Next(3, 10)),
preferredLifetime: TimeSpan.FromMinutes(random.Next(20, 30)),
leaseTime: TimeSpan.FromMinutes(random.Next(40, 60))
),
Id = scopeId,
ScopeProperties = new DHCPv4ScopeProperties(scopeProperties)
})
});
DHCPv4Packet result = rootScope.HandleInform(input);
Assert.NotEqual(DHCPv4Packet.Empty, result);
Assert.Equal(sourceAddress, result.Header.Destionation);
Assert.Equal(destinationAddress, result.Header.Source);
Assert.Equal(DHCPv4MessagesTypes.Acknowledge, result.MessageType);
Assert.Equal(input.ClientHardwareAddress, result.ClientHardwareAddress);
Assert.Equal(input.HardwareAddressLength, result.HardwareAddressLength);
Assert.Equal(input.HardwareType, result.HardwareType);
Assert.Equal(0, result.Hops);
Assert.Equal(0, result.SecondsElapsed);
Assert.Equal(input.TransactionId, result.TransactionId);
Assert.Equal(String.Empty, result.FileName);
Assert.Equal(String.Empty, result.ServerHostname);
Assert.Equal(DHCPv4PacketFlags.Unicast, result.Flags);
Assert.Equal(DHCPv4PacketOperationCodes.BootReply, result.OpCode);
Assert.Equal(IPv4Address.Empty, result.GatewayIPAdress);
Assert.Equal(IPv4Address.Empty, result.YourIPAdress);
Assert.Equal(IPv4Address.Empty, result.ServerIPAdress);
Assert.Equal(input.ClientIPAdress, result.ClientIPAdress);
Assert.Equal(input.ClientIPAdress, result.Header.Destionation);
// no time values
Assert.False(IsOptionPresentend(result, DHCPv4OptionTypes.RebindingTimeValue));
Assert.False(IsOptionPresentend(result, DHCPv4OptionTypes.RenewalTimeValue));
Assert.False(IsOptionPresentend(result, DHCPv4OptionTypes.IPAddressLeaseTime));
// server identifier
Assert.True(IsOptionPresentend(result, DHCPv4OptionTypes.ServerIdentifier));
Assert.True(HasOptionThisIPv4Adress(result, DHCPv4OptionTypes.ServerIdentifier, destinationAddress));
foreach (var item in scopeProperties)
{
Assert.True(IsOptionPresentend(result, item.OptionIdentifier));
DHCPv4PacketOption existingOption = result.GetOptionByIdentifier(item.OptionIdentifier);
Assert.NotEqual(DHCPv4PacketOption.NotPresented, existingOption);
ChecKIfPropertyCorrelatesToOption(item, existingOption);
}
}
