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RemoveHistoryAfter

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This commit is contained in:
Mike Phares
2024-02-03 20:07:23 -07:00
parent 84c5355dcf
commit 44cb864891
3 changed files with 55 additions and 40 deletions
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91
Helpers/HelperPhysicalAddress.cs
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@ -23,49 +23,59 @@ internal static class HelperPhysicalAddress
private static string GetPhysicalAddress(PhysicalAddress physicalAddress) =>
$"{GetPhysicalAddress(physicalAddress, '-')} | {GetPhysicalAddress(physicalAddress, ':')}";
private static void AddPacket(PhysicalAddressConfiguration physicalAddressConfiguration, ILogger<Worker> logger, string file, string physicalAddress, string ipv4Address, bool isSuggestion)
private static void WriteAllText(ILogger<Worker> logger, string file, string physicalAddress, string ipv4Address, List<string> collection, Dictionary<string, List<string>> keyValuePairs)
{
List<string>? collection;
Dictionary<string, List<string>> keyValuePairs = GetKeyValuePairs(file);
if (!keyValuePairs.TryGetValue(physicalAddress, out collection))
logger.LogInformation("");
if (collection.Count == 2)
collection[1] = DateTime.Now.ToString("yyyy-MM-dd_HH-mm");
else if (collection.Count == 0)
{
keyValuePairs.Add(physicalAddress, []);
if (!keyValuePairs.TryGetValue(physicalAddress, out collection))
throw new Exception();
collection.Add($"block-{physicalAddress[^2..]}");
collection.Add(DateTime.Now.ToString("yyyy-MM-dd_HH-mm"));
}
if (ipv4Address.StartsWith(physicalAddressConfiguration.IPV4Filter) && (collection.Count < 2 || (!isSuggestion && collection[^1] != ipv4Address)))
if (collection.Count > 1)
{
logger.LogInformation("");
if (collection.Count == 2)
collection[1] = DateTime.Now.ToString("yyyy-MM-dd_HH-mm");
else if (collection.Count == 0)
{
collection.Add($"block-{physicalAddress[^2..]}");
collection.Add(DateTime.Now.ToString("yyyy-MM-dd_HH-mm"));
}
if (collection.Count > 1)
{
logger.LogInformation(collection[0]);
logger.LogInformation(collection[1]);
}
if (collection.Remove(ipv4Address))
collection[1] = DateTime.Now.ToString("yyyy-MM-dd_HH-mm");
collection.Add(ipv4Address);
logger.LogInformation(ipv4Address);
logger.LogInformation(physicalAddress);
string json = JsonSerializer.Serialize(keyValuePairs, HelperPhysicalAddressDictionarySourceGenerationContext.Default.DictionaryStringListString);
File.WriteAllText(file, json);
logger.LogInformation(collection[0]);
logger.LogInformation(collection[1]);
}
if (collection.Remove(ipv4Address))
collection[1] = DateTime.Now.ToString("yyyy-MM-dd_HH-mm");
collection.Add(ipv4Address);
logger.LogInformation(ipv4Address);
logger.LogInformation(physicalAddress);
string json = JsonSerializer.Serialize(keyValuePairs, HelperPhysicalAddressDictionarySourceGenerationContext.Default.DictionaryStringListString);
File.WriteAllText(file, json);
}
private static void AddArpPacket(PhysicalAddressConfiguration physicalAddressConfiguration, ILogger<Worker> logger, string file, EthernetPacket ethernetPacket, ArpPacket arpPacket)
private static void AddPacket(PhysicalAddressConfiguration physicalAddressConfiguration, ILogger<Worker> logger, string file, List<string> history, string physicalAddress, string ipv4Address, bool isSuggestion)
{
List<string>? collection;
string key = $"{physicalAddress} - {ipv4Address}";
if (!history.Contains(key))
{
Dictionary<string, List<string>> keyValuePairs = GetKeyValuePairs(file);
if (!keyValuePairs.TryGetValue(physicalAddress, out collection))
{
keyValuePairs.Add(physicalAddress, []);
if (!keyValuePairs.TryGetValue(physicalAddress, out collection))
throw new Exception();
}
if (ipv4Address.StartsWith(physicalAddressConfiguration.IPV4Filter) && (collection.Count < 2 || (!isSuggestion && collection[^1] != ipv4Address)))
WriteAllText(logger, file, physicalAddress, ipv4Address, collection, keyValuePairs);
}
history.Add(key);
if (history.Count > physicalAddressConfiguration.RemoveHistoryAfter)
history.RemoveAt(0);
}
private static void AddArpPacket(PhysicalAddressConfiguration physicalAddressConfiguration, ILogger<Worker> logger, string file, List<string> history, EthernetPacket ethernetPacket, ArpPacket arpPacket)
{
string ipv4Address = arpPacket.SenderProtocolAddress.ToString();
string physicalAddress = GetPhysicalAddress(ethernetPacket.SourceHardwareAddress);
AddPacket(physicalAddressConfiguration, logger, file, physicalAddress, ipv4Address, isSuggestion: false);
AddPacket(physicalAddressConfiguration, logger, file, history, physicalAddress, ipv4Address, isSuggestion: false);
}
private static void AddDhcpPacket(PhysicalAddressConfiguration physicalAddressConfiguration, ILogger<Worker> logger, string file, DhcpV4Packet dhcpV4Packet)
private static void AddDhcpPacket(PhysicalAddressConfiguration physicalAddressConfiguration, ILogger<Worker> logger, string file, List<string> history, DhcpV4Packet dhcpV4Packet)
{
string ipv4Address;
string physicalAddress;
@ -74,24 +84,24 @@ internal static class HelperPhysicalAddress
ipv4Address = dhcpV4Packet.ClientAddress.ToString();
physicalAddress = GetPhysicalAddress(dhcpV4Packet.ClientHardwareAddress);
bool isSuggestion = dhcpV4Packet.MessageType is DhcpV4MessageType.Request;
AddPacket(physicalAddressConfiguration, logger, file, physicalAddress, ipv4Address, isSuggestion);
AddPacket(physicalAddressConfiguration, logger, file, history, physicalAddress, ipv4Address, isSuggestion);
}
else
{
ipv4Address = dhcpV4Packet.ClientAddress.ToString();
physicalAddress = GetPhysicalAddress(dhcpV4Packet.ClientHardwareAddress);
AddPacket(physicalAddressConfiguration, logger, file, physicalAddress, ipv4Address, isSuggestion: true);
AddPacket(physicalAddressConfiguration, logger, file, history, physicalAddress, ipv4Address, isSuggestion: true);
}
}
private static void AddIpv4Packet(PhysicalAddressConfiguration physicalAddressConfiguration, ILogger<Worker> logger, string file, EthernetPacket ethernetPacket, IPv4Packet ipv4Packet)
private static void AddIpv4Packet(PhysicalAddressConfiguration physicalAddressConfiguration, ILogger<Worker> logger, string file, List<string> history, EthernetPacket ethernetPacket, IPv4Packet ipv4Packet)
{
string ipv4Address = ipv4Packet.SourceAddress.ToString();
string physicalAddress = GetPhysicalAddress(ethernetPacket.SourceHardwareAddress);
AddPacket(physicalAddressConfiguration, logger, file, physicalAddress, ipv4Address, isSuggestion: true);
AddPacket(physicalAddressConfiguration, logger, file, history, physicalAddress, ipv4Address, isSuggestion: true);
}
private static void ParseEthernetPacket(PhysicalAddressConfiguration physicalAddressConfiguration, ILogger<Worker> logger, string file, EthernetPacket ethernetPacket)
private static void ParseEthernetPacket(PhysicalAddressConfiguration physicalAddressConfiguration, ILogger<Worker> logger, string file, List<string> history, EthernetPacket ethernetPacket)
{
for (int i = 0; i < 1; i++)
{
@ -99,7 +109,7 @@ internal static class HelperPhysicalAddress
{
if (arpPacket.Operation != ArpOperation.Response)
continue;
AddArpPacket(physicalAddressConfiguration, logger, file, ethernetPacket, arpPacket);
AddArpPacket(physicalAddressConfiguration, logger, file, history, ethernetPacket, arpPacket);
}
else if (ethernetPacket?.PayloadPacket is IPv4Packet ipv4Packet)
{
@ -108,9 +118,9 @@ internal static class HelperPhysicalAddress
if (!ipv4Packet.SourceAddress.ToString().StartsWith(physicalAddressConfiguration.IPV4Filter))
continue;
if (ipv4Packet.PayloadPacket is UdpPacket udpPacket && udpPacket.PayloadPacket is DhcpV4Packet dhcpV4Packet)
AddDhcpPacket(physicalAddressConfiguration, logger, file, dhcpV4Packet);
AddDhcpPacket(physicalAddressConfiguration, logger, file, history, dhcpV4Packet);
else
AddIpv4Packet(physicalAddressConfiguration, logger, file, ethernetPacket, ipv4Packet);
AddIpv4Packet(physicalAddressConfiguration, logger, file, history, ethernetPacket, ipv4Packet);
}
}
}
@ -141,6 +151,7 @@ internal static class HelperPhysicalAddress
Packet packet;
RawCapture rawCapture;
GetPacketStatus status;
List<string> history = [];
if (!Directory.Exists(appSettings.PhysicalAddressConfiguration.Directory))
_ = Directory.CreateDirectory(appSettings.PhysicalAddressConfiguration.Directory);
string file = Path.Combine(appSettings.PhysicalAddressConfiguration.Directory, ".json");
@ -171,7 +182,7 @@ internal static class HelperPhysicalAddress
packet = Packet.ParsePacket(rawCapture.GetLinkLayers(), rawCapture.Data);
if (packet is not EthernetPacket ethernetPacket)
continue;
ParseEthernetPacket(appSettings.PhysicalAddressConfiguration, logger, file, ethernetPacket);
ParseEthernetPacket(appSettings.PhysicalAddressConfiguration, logger, file, history, ethernetPacket);
}
}
}