/// <summary>
/// Constructs an IPGlobalStatistics object from the snmp4 stats file.
/// </summary>
public static LinuxIPGlobalStatistics CreateIPv4Statistics()
{
LinuxIPGlobalStatistics stats = new LinuxIPGlobalStatistics();
string fileContents = File.ReadAllText(NetworkFiles.SnmpV4StatsFile);
int firstIpHeader = fileContents.IndexOf("Ip:");
int secondIpHeader = fileContents.IndexOf("Ip:", firstIpHeader + 1);
int endOfSecondLine = fileContents.IndexOf(Environment.NewLine, secondIpHeader);
string ipData = fileContents.Substring(secondIpHeader, endOfSecondLine - secondIpHeader);
StringParser parser = new StringParser(ipData, ' ');
// NOTE: Need to verify that this order is consistent. Otherwise, we need to parse the first-line header
// to determine the order of information contained in the file.
parser.MoveNextOrFail(); // Skip Ip:
// According to RFC 1213, "1" indicates "acting as a gateway". "2" indicates "NOT acting as a gateway".
stats._forwarding = parser.MoveAndExtractNext() == "1";
stats._defaultTtl = parser.ParseNextInt32();
stats._inReceives = parser.ParseNextInt32();
stats._inHeaderErrors = parser.ParseNextInt32();
stats._inAddressErrors = parser.ParseNextInt32();
stats._forwardedDatagrams = parser.ParseNextInt32();
stats._inUnknownProtocols = parser.ParseNextInt32();
stats._inDiscards = parser.ParseNextInt32();
stats._inDelivers = parser.ParseNextInt32();
stats._outRequests = parser.ParseNextInt32();
stats._outDiscards = parser.ParseNextInt32();
stats._outNoRoutes = parser.ParseNextInt32();
stats._reassemblyTimeout = parser.ParseNextInt32();
stats._reassemblyRequireds = parser.ParseNextInt32();
stats._reassemblyOKs = parser.ParseNextInt32();
stats._reassemblyFails = parser.ParseNextInt32();
stats._fragmentOKs = parser.ParseNextInt32();
stats._fragmentFails = parser.ParseNextInt32();
stats._fragmentCreates = parser.ParseNextInt32();
string routeFile = ReadProcConfigFile(NetworkFiles.Ipv4RouteFile);
stats._numRoutes = CountOccurences(Environment.NewLine, routeFile) - 1; // File includes one-line header
stats._numInterfaces = GetNumInterfaces();
stats._numIPAddresses = GetNumIPAddresses();
return(stats);
}
/// <summary>
/// Constructs an IPGlobalStatistics object from the snmp4 stats file.
/// </summary>
public static LinuxIPGlobalStatistics CreateIPv4Statistics()
{
LinuxIPGlobalStatistics stats = new LinuxIPGlobalStatistics();
string fileContents = File.ReadAllText(NetworkFiles.SnmpV4StatsFile);
int firstIpHeader = fileContents.IndexOf("Ip:");
int secondIpHeader = fileContents.IndexOf("Ip:", firstIpHeader + 1);
int endOfSecondLine = fileContents.IndexOf(Environment.NewLine, secondIpHeader);
string ipData = fileContents.Substring(secondIpHeader, endOfSecondLine - secondIpHeader);
StringParser parser = new StringParser(ipData, ' ');
// NOTE: Need to verify that this order is consistent. Otherwise, we need to parse the first-line header
// to determine the order of information contained in the file.
parser.MoveNextOrFail(); // Skip Ip:
// According to RFC 1213, "1" indicates "acting as a gateway". "2" indicates "NOT acting as a gateway".
stats._forwarding = parser.MoveAndExtractNext() == "1";
stats._defaultTtl = parser.ParseNextInt32();
stats._inReceives = parser.ParseNextInt32();
stats._inHeaderErrors = parser.ParseNextInt32();
stats._inAddressErrors = parser.ParseNextInt32();
stats._forwardedDatagrams = parser.ParseNextInt32();
stats._inUnknownProtocols = parser.ParseNextInt32();
stats._inDiscards = parser.ParseNextInt32();
stats._inDelivers = parser.ParseNextInt32();
stats._outRequests = parser.ParseNextInt32();
stats._outDiscards = parser.ParseNextInt32();
stats._outNoRoutes = parser.ParseNextInt32();
stats._reassemblyTimeout = parser.ParseNextInt32();
stats._reassemblyRequireds = parser.ParseNextInt32();
stats._reassemblyOKs = parser.ParseNextInt32();
stats._reassemblyFails = parser.ParseNextInt32();
stats._fragmentOKs = parser.ParseNextInt32();
stats._fragmentFails = parser.ParseNextInt32();
stats._fragmentCreates = parser.ParseNextInt32();
string routeFile = ReadProcConfigFile(NetworkFiles.Ipv4RouteFile);
stats._numRoutes = CountOccurences(Environment.NewLine, routeFile) - 1; // File includes one-line header
stats._numInterfaces = GetNumInterfaces();
stats._numIPAddresses = GetNumIPAddresses();
return stats;
}
/// <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);
}
/// <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;
}
public override IPGlobalStatistics GetIPv6GlobalStatistics()
{
return(LinuxIPGlobalStatistics.CreateIPv6Statistics());
}
