internal static IPGlobalStatisticsTable ParseIPv6GlobalStatisticsFromSnmp6File(string filePath)
{
// Read the remainder of statistics from snmp6.
string fileContents = ReadAllText(filePath);
RowConfigReader reader = new RowConfigReader(fileContents);
return(new IPGlobalStatisticsTable()
{
InReceives = reader.GetNextValueAsInt64("Ip6InReceives"),
InHeaderErrors = reader.GetNextValueAsInt64("Ip6InHdrErrors"),
InAddressErrors = reader.GetNextValueAsInt64("Ip6InAddrErrors"),
InUnknownProtocols = reader.GetNextValueAsInt64("Ip6InUnknownProtos"),
InDiscards = reader.GetNextValueAsInt64("Ip6InDiscards"),
InDelivers = reader.GetNextValueAsInt64("Ip6InDelivers"),
ForwardedDatagrams = reader.GetNextValueAsInt64("Ip6OutForwDatagrams"),
OutRequests = reader.GetNextValueAsInt64("Ip6OutRequests"),
OutDiscards = reader.GetNextValueAsInt64("Ip6OutDiscards"),
OutNoRoutes = reader.GetNextValueAsInt64("Ip6OutNoRoutes"),
ReassemblyTimeout = reader.GetNextValueAsInt64("Ip6ReasmTimeout"),
ReassemblyRequireds = reader.GetNextValueAsInt64("Ip6ReasmReqds"),
ReassemblyOKs = reader.GetNextValueAsInt64("Ip6ReasmOKs"),
ReassemblyFails = reader.GetNextValueAsInt64("Ip6ReasmFails"),
FragmentOKs = reader.GetNextValueAsInt64("Ip6FragOKs"),
FragmentFails = reader.GetNextValueAsInt64("Ip6FragFails"),
FragmentCreates = reader.GetNextValueAsInt64("Ip6FragCreates"),
});
}
public static UdpStatistics CreateUdpIPv6Statistics()
{
LinuxUdpStatistics stats = new LinuxUdpStatistics();
string fileContents = File.ReadAllText(NetworkFiles.SnmpV6StatsFile);
RowConfigReader reader = new RowConfigReader(fileContents);
stats._inDatagrams = reader.GetNextValueAsInt32("Udp6InDatagrams");
stats._noPorts = reader.GetNextValueAsInt32("Udp6NoPorts");
stats._inErrors = reader.GetNextValueAsInt32("Udp6InErrors");
stats._outDatagrams = reader.GetNextValueAsInt32("Udp6OutDatagrams");
stats._rcvbufErrors = reader.GetNextValueAsInt32("Udp6RcvbufErrors");
stats._sndbufErrors = reader.GetNextValueAsInt32("Udp6SndbufErrors");
stats._inCsumErrors = reader.GetNextValueAsInt32("Udp6InCsumErrors");
// Parse the number of active connections out of /proc/net/sockstat6
string sockstatFile = File.ReadAllText(NetworkFiles.Sockstat6File);
int indexOfUdp = sockstatFile.IndexOf("UDP6:");
int endOfUdpLine = sockstatFile.IndexOf(Environment.NewLine, indexOfUdp + 1);
string udpLineData = sockstatFile.Substring(indexOfUdp, endOfUdpLine - indexOfUdp);
StringParser sockstatParser = new StringParser(udpLineData, ' ');
sockstatParser.MoveNextOrFail(); // Skip "UDP6:"
sockstatParser.MoveNextOrFail(); // Skip: "inuse"
stats._udpListeners = sockstatParser.ParseNextInt32();
return(stats);
}
internal static string ParseDnsSuffixFromResolvConfFile(string data)
{
RowConfigReader rcr = new RowConfigReader(data);
string dnsSuffix;
return(rcr.TryGetNextValue("search", out dnsSuffix) ? dnsSuffix : string.Empty);
}
private static string GetDnsSuffix()
{
string data = File.ReadAllText(NetworkFiles.EtcResolvConfFile);
RowConfigReader rcr = new RowConfigReader(data);
string dnsSuffix;
return(rcr.TryGetNextValue("search", out dnsSuffix) ? dnsSuffix : string.Empty);
}
internal static UdpGlobalStatisticsTable ParseUdpv6GlobalStatisticsFromSnmp6File(string filePath)
{
string fileContents = File.ReadAllText(filePath);
RowConfigReader reader = new RowConfigReader(fileContents);
return(new UdpGlobalStatisticsTable()
{
InDatagrams = reader.GetNextValueAsInt32("Udp6InDatagrams"),
NoPorts = reader.GetNextValueAsInt32("Udp6NoPorts"),
InErrors = reader.GetNextValueAsInt32("Udp6InErrors"),
OutDatagrams = reader.GetNextValueAsInt32("Udp6OutDatagrams"),
RcvbufErrors = reader.GetNextValueAsInt32("Udp6RcvbufErrors"),
SndbufErrors = reader.GetNextValueAsInt32("Udp6SndbufErrors"),
InCsumErrors = reader.GetNextValueAsInt32("Udp6InCsumErrors"),
});
}
internal static UdpGlobalStatisticsTable ParseUdpv6GlobalStatisticsFromSnmp6File(string filePath)
{
string fileContents = File.ReadAllText(filePath);
RowConfigReader reader = new RowConfigReader(fileContents);
int udp6ErrorsIdx = fileContents.IndexOf("Udp6SndbufErrors", StringComparison.Ordinal);
return(new UdpGlobalStatisticsTable()
{
InDatagrams = reader.GetNextValueAsInt64("Udp6InDatagrams"),
NoPorts = reader.GetNextValueAsInt64("Udp6NoPorts"),
InErrors = reader.GetNextValueAsInt64("Udp6InErrors"),
OutDatagrams = reader.GetNextValueAsInt64("Udp6OutDatagrams"),
RcvbufErrors = udp6ErrorsIdx == -1 ? 0 : reader.GetNextValueAsInt64("Udp6RcvbufErrors"),
SndbufErrors = udp6ErrorsIdx == -1 ? 0 : reader.GetNextValueAsInt64("Udp6SndbufErrors"),
InCsumErrors = udp6ErrorsIdx == -1 ? 0 : reader.GetNextValueAsInt64("Udp6InCsumErrors"),
});
}
public static IcmpV6Statistics CreateIcmpV6Statistics()
{
LinuxIcmpV6Statistics stats = new LinuxIcmpV6Statistics();
string fileContents = File.ReadAllText(NetworkFiles.SnmpV6StatsFile);
RowConfigReader reader = new RowConfigReader(fileContents);
stats._inMsgs = reader.GetNextValueAsInt32("Icmp6InMsgs");
stats._inErrors = reader.GetNextValueAsInt32("Icmp6InErrors");
stats._outMsgs = reader.GetNextValueAsInt32("Icmp6OutMsgs");
stats._outErrors = reader.GetNextValueAsInt32("Icmp6OutErrors");
stats._inDestUnreachs = reader.GetNextValueAsInt32("Icmp6InDestUnreachs");
stats._inPktTooBigs = reader.GetNextValueAsInt32("Icmp6InPktTooBigs");
stats._inTimeExcds = reader.GetNextValueAsInt32("Icmp6InTimeExcds");
stats._inParmProblems = reader.GetNextValueAsInt32("Icmp6InParmProblems");
stats._inEchos = reader.GetNextValueAsInt32("Icmp6InEchos");
stats._inEchoReplies = reader.GetNextValueAsInt32("Icmp6InEchoReplies");
stats._inGroupMembQueries = reader.GetNextValueAsInt32("Icmp6InGroupMembQueries");
stats._inGroupMembResponses = reader.GetNextValueAsInt32("Icmp6InGroupMembResponses");
stats._inGroupMembReductions = reader.GetNextValueAsInt32("Icmp6InGroupMembReductions");
stats._inRouterSolicits = reader.GetNextValueAsInt32("Icmp6InRouterSolicits");
stats._inRouterAdvertisements = reader.GetNextValueAsInt32("Icmp6InRouterAdvertisements");
stats._inNeighborSolicits = reader.GetNextValueAsInt32("Icmp6InNeighborSolicits");
stats._inNeighborAdvertisements = reader.GetNextValueAsInt32("Icmp6InNeighborAdvertisements");
stats._inRedirects = reader.GetNextValueAsInt32("Icmp6InRedirects");
stats._outDestUnreachs = reader.GetNextValueAsInt32("Icmp6OutDestUnreachs");
stats._outPktTooBigs = reader.GetNextValueAsInt32("Icmp6OutPktTooBigs");
stats._outTimeExcds = reader.GetNextValueAsInt32("Icmp6OutTimeExcds");
stats._outParmProblems = reader.GetNextValueAsInt32("Icmp6OutParmProblems");
stats._outEchos = reader.GetNextValueAsInt32("Icmp6OutEchos");
stats._outEchoReplies = reader.GetNextValueAsInt32("Icmp6OutEchoReplies");
stats._outInGroupMembQueries = reader.GetNextValueAsInt32("Icmp6OutGroupMembQueries");
stats._outGroupMembResponses = reader.GetNextValueAsInt32("Icmp6OutGroupMembResponses");
stats._outGroupMembReductions = reader.GetNextValueAsInt32("Icmp6OutGroupMembReductions");
stats._outRouterSolicits = reader.GetNextValueAsInt32("Icmp6OutRouterSolicits");
stats._outRouterAdvertisements = reader.GetNextValueAsInt32("Icmp6OutRouterAdvertisements");
stats._outNeighborSolicits = reader.GetNextValueAsInt32("Icmp6OutNeighborSolicits");
stats._outNeighborAdvertisements = reader.GetNextValueAsInt32("Icmp6OutNeighborAdvertisements");
stats._outRedirects = reader.GetNextValueAsInt32("Icmp6OutRedirects");
return(stats);
}
public static Icmpv6StatisticsTable ParseIcmpv6FromSnmp6File(string filePath)
{
string fileContents = ReadAllText(filePath);
RowConfigReader reader = new RowConfigReader(fileContents);
bool hasIcmp6OutErrors = fileContents.Contains("Icmp6OutErrors");
return(new Icmpv6StatisticsTable()
{
InMsgs = reader.GetNextValueAsInt64("Icmp6InMsgs"),
InErrors = reader.GetNextValueAsInt64("Icmp6InErrors"),
OutMsgs = reader.GetNextValueAsInt64("Icmp6OutMsgs"),
OutErrors = hasIcmp6OutErrors ? reader.GetNextValueAsInt64("Icmp6OutErrors") : 0,
InDestUnreachs = reader.GetNextValueAsInt64("Icmp6InDestUnreachs"),
InPktTooBigs = reader.GetNextValueAsInt64("Icmp6InPktTooBigs"),
InTimeExcds = reader.GetNextValueAsInt64("Icmp6InTimeExcds"),
InParmProblems = reader.GetNextValueAsInt64("Icmp6InParmProblems"),
InEchos = reader.GetNextValueAsInt64("Icmp6InEchos"),
InEchoReplies = reader.GetNextValueAsInt64("Icmp6InEchoReplies"),
InGroupMembQueries = reader.GetNextValueAsInt64("Icmp6InGroupMembQueries"),
InGroupMembResponses = reader.GetNextValueAsInt64("Icmp6InGroupMembResponses"),
InGroupMembReductions = reader.GetNextValueAsInt64("Icmp6InGroupMembReductions"),
InRouterSolicits = reader.GetNextValueAsInt64("Icmp6InRouterSolicits"),
InRouterAdvertisements = reader.GetNextValueAsInt64("Icmp6InRouterAdvertisements"),
InNeighborSolicits = reader.GetNextValueAsInt64("Icmp6InNeighborSolicits"),
InNeighborAdvertisements = reader.GetNextValueAsInt64("Icmp6InNeighborAdvertisements"),
InRedirects = reader.GetNextValueAsInt64("Icmp6InRedirects"),
OutDestUnreachs = reader.GetNextValueAsInt64("Icmp6OutDestUnreachs"),
OutPktTooBigs = reader.GetNextValueAsInt64("Icmp6OutPktTooBigs"),
OutTimeExcds = reader.GetNextValueAsInt64("Icmp6OutTimeExcds"),
OutParmProblems = reader.GetNextValueAsInt64("Icmp6OutParmProblems"),
OutEchos = reader.GetNextValueAsInt64("Icmp6OutEchos"),
OutEchoReplies = reader.GetNextValueAsInt64("Icmp6OutEchoReplies"),
OutInGroupMembQueries = reader.GetNextValueAsInt64("Icmp6OutGroupMembQueries"),
OutGroupMembResponses = reader.GetNextValueAsInt64("Icmp6OutGroupMembResponses"),
OutGroupMembReductions = reader.GetNextValueAsInt64("Icmp6OutGroupMembReductions"),
OutRouterSolicits = reader.GetNextValueAsInt64("Icmp6OutRouterSolicits"),
OutRouterAdvertisements = reader.GetNextValueAsInt64("Icmp6OutRouterAdvertisements"),
OutNeighborSolicits = reader.GetNextValueAsInt64("Icmp6OutNeighborSolicits"),
OutNeighborAdvertisements = reader.GetNextValueAsInt64("Icmp6OutNeighborAdvertisements"),
OutRedirects = reader.GetNextValueAsInt64("Icmp6OutRedirects")
});
}
public static Icmpv6StatisticsTable ParseIcmpv6FromSnmp6File(string filePath)
{
string fileContents = File.ReadAllText(filePath);
RowConfigReader reader = new RowConfigReader(fileContents);
int Icmp6OutErrorsIdx = fileContents.IndexOf("Icmp6OutErrors", StringComparison.Ordinal);
return(new Icmpv6StatisticsTable()
{
InMsgs = reader.GetNextValueAsInt32("Icmp6InMsgs"),
InErrors = reader.GetNextValueAsInt32("Icmp6InErrors"),
OutMsgs = reader.GetNextValueAsInt32("Icmp6OutMsgs"),
OutErrors = Icmp6OutErrorsIdx == -1 ? 0 : reader.GetNextValueAsInt32("Icmp6OutErrors"),
InDestUnreachs = reader.GetNextValueAsInt32("Icmp6InDestUnreachs"),
InPktTooBigs = reader.GetNextValueAsInt32("Icmp6InPktTooBigs"),
InTimeExcds = reader.GetNextValueAsInt32("Icmp6InTimeExcds"),
InParmProblems = reader.GetNextValueAsInt32("Icmp6InParmProblems"),
InEchos = reader.GetNextValueAsInt32("Icmp6InEchos"),
InEchoReplies = reader.GetNextValueAsInt32("Icmp6InEchoReplies"),
InGroupMembQueries = reader.GetNextValueAsInt32("Icmp6InGroupMembQueries"),
InGroupMembResponses = reader.GetNextValueAsInt32("Icmp6InGroupMembResponses"),
InGroupMembReductions = reader.GetNextValueAsInt32("Icmp6InGroupMembReductions"),
InRouterSolicits = reader.GetNextValueAsInt32("Icmp6InRouterSolicits"),
InRouterAdvertisements = reader.GetNextValueAsInt32("Icmp6InRouterAdvertisements"),
InNeighborSolicits = reader.GetNextValueAsInt32("Icmp6InNeighborSolicits"),
InNeighborAdvertisements = reader.GetNextValueAsInt32("Icmp6InNeighborAdvertisements"),
InRedirects = reader.GetNextValueAsInt32("Icmp6InRedirects"),
OutDestUnreachs = reader.GetNextValueAsInt32("Icmp6OutDestUnreachs"),
OutPktTooBigs = reader.GetNextValueAsInt32("Icmp6OutPktTooBigs"),
OutTimeExcds = reader.GetNextValueAsInt32("Icmp6OutTimeExcds"),
OutParmProblems = reader.GetNextValueAsInt32("Icmp6OutParmProblems"),
OutEchos = reader.GetNextValueAsInt32("Icmp6OutEchos"),
OutEchoReplies = reader.GetNextValueAsInt32("Icmp6OutEchoReplies"),
OutInGroupMembQueries = reader.GetNextValueAsInt32("Icmp6OutGroupMembQueries"),
OutGroupMembResponses = reader.GetNextValueAsInt32("Icmp6OutGroupMembResponses"),
OutGroupMembReductions = reader.GetNextValueAsInt32("Icmp6OutGroupMembReductions"),
OutRouterSolicits = reader.GetNextValueAsInt32("Icmp6OutRouterSolicits"),
OutRouterAdvertisements = reader.GetNextValueAsInt32("Icmp6OutRouterAdvertisements"),
OutNeighborSolicits = reader.GetNextValueAsInt32("Icmp6OutNeighborSolicits"),
OutNeighborAdvertisements = reader.GetNextValueAsInt32("Icmp6OutNeighborAdvertisements"),
OutRedirects = reader.GetNextValueAsInt32("Icmp6OutRedirects")
});
}
internal static List <IPAddress> ParseDnsAddressesFromResolvConfFile(string data)
{
// Parse /etc/resolv.conf for all of the "nameserver" entries.
// These are the DNS servers the machine is configured to use.
// On OSX, this file is not directly used by most processes for DNS
// queries/routing, but it is automatically generated instead, with
// the machine's DNS servers listed in it.
RowConfigReader rcr = new RowConfigReader(data);
List <IPAddress> addresses = new List <IPAddress>();
while (rcr.TryGetNextValue("nameserver", out string?addressString))
{
if (IPAddress.TryParse(addressString, out IPAddress? parsedAddress))
{
addresses.Add(parsedAddress);
}
}
return(addresses);
}
private static IPAddressCollection GetDnsAddresses()
{
// Parse /etc/resolv.conf for all of the "nameserver" entries.
// These are the DNS servers the machine is configured to use.
// On OSX, this file is not directly used by most processes for DNS
// queries/routing, but it is automatically generated instead, with
// the machine's DNS servers listed in it.
string data = File.ReadAllText(NetworkFiles.EtcResolvConfFile);
RowConfigReader rcr = new RowConfigReader(data);
InternalIPAddressCollection addresses = new InternalIPAddressCollection();
string addressString = null;
while (rcr.TryGetNextValue("nameserver", out addressString))
{
IPAddress parsedAddress;
if (IPAddress.TryParse(addressString, out parsedAddress))
{
addresses.InternalAdd(parsedAddress);
}
}
return(addresses);
}
/// <summary>
/// Constructs an IPGlobalStatistics object from the snmp6 stats file.
/// </summary>
public static LinuxIPGlobalStatistics CreateIPv6Statistics()
{
LinuxIPGlobalStatistics stats = new LinuxIPGlobalStatistics();
// /proc/sys/net/ipv6/conf/default/forwarding
string path = Path.Combine(NetworkFiles.Ipv4ConfigFolder,
NetworkFiles.DefaultNetworkInterfaceFileName,
NetworkFiles.ForwardingFileName);
stats._forwarding = int.Parse(File.ReadAllText(path)) == 1;
// snmp6 does not include Default TTL info. Read it from snmp.
string snmp4FileContents = File.ReadAllText(NetworkFiles.SnmpV4StatsFile);
int firstIpHeader = snmp4FileContents.IndexOf("Ip:");
int secondIpHeader = snmp4FileContents.IndexOf("Ip:", firstIpHeader + 1);
int endOfSecondLine = snmp4FileContents.IndexOf(Environment.NewLine, secondIpHeader);
string ipData = snmp4FileContents.Substring(secondIpHeader, endOfSecondLine - secondIpHeader);
StringParser parser = new StringParser(ipData, ' ');
parser.MoveNextOrFail(); // Skip Ip:
// According to RFC 1213, "1" indicates "acting as a gateway". "2" indicates "NOT acting as a gateway".
parser.MoveNextOrFail(); // Skip forwarding
stats._defaultTtl = parser.ParseNextInt32();
// Read the remainder of statistics from snmp6.
string fileContents = File.ReadAllText(NetworkFiles.SnmpV6StatsFile);
RowConfigReader reader = new RowConfigReader(fileContents);
stats._inReceives = reader.GetNextValueAsInt32("Ip6InReceives");
stats._inHeaderErrors = reader.GetNextValueAsInt32("Ip6InHdrErrors");
stats._inAddressErrors = reader.GetNextValueAsInt32("Ip6InAddrErrors");
stats._inUnknownProtocols = reader.GetNextValueAsInt32("Ip6InUnknownProtos");
stats._inDiscards = reader.GetNextValueAsInt32("Ip6InDiscards");
stats._inDelivers = reader.GetNextValueAsInt32("Ip6InDelivers");
stats._forwardedDatagrams = reader.GetNextValueAsInt32("Ip6OutForwDatagrams");
stats._outRequests = reader.GetNextValueAsInt32("Ip6OutRequests");
stats._outDiscards = reader.GetNextValueAsInt32("Ip6OutDiscards");
stats._outNoRoutes = reader.GetNextValueAsInt32("Ip6OutNoRoutes");
stats._reassemblyTimeout = reader.GetNextValueAsInt32("Ip6ReasmTimeout");
stats._reassemblyRequireds = reader.GetNextValueAsInt32("Ip6ReasmReqds");
stats._reassemblyOKs = reader.GetNextValueAsInt32("Ip6ReasmOKs");
stats._reassemblyFails = reader.GetNextValueAsInt32("Ip6ReasmFails");
stats._fragmentOKs = reader.GetNextValueAsInt32("Ip6FragOKs");
stats._fragmentFails = reader.GetNextValueAsInt32("Ip6FragFails");
stats._fragmentCreates = reader.GetNextValueAsInt32("Ip6FragCreates");
string routeFile = ReadProcConfigFile(NetworkFiles.Ipv6RouteFile);
stats._numRoutes = CountOccurences(Environment.NewLine, routeFile);
int interfaceCount = 0;
var files = new DirectoryInfo(NetworkFiles.Ipv6ConfigFolder).GetFiles();
foreach (var file in files)
{
if (file.Name != NetworkFiles.AllNetworkInterfaceFileName &&
file.Name != NetworkFiles.DefaultNetworkInterfaceFileName)
{
interfaceCount++;
}
}
stats._numInterfaces = interfaceCount;
stats._numIPAddresses = GetNumIPAddresses();
return(stats);
}
