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ln.snmp
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WIP

master
Harald Wolff 2019-03-18 08:12:58 +01:00
parent 9a5acf3cbd
commit 8e17a1bb6b
6 changed files with 43 additions and 12 deletions
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3
SNMPEngine.cs
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@ -53,6 +53,7 @@ namespace ln.snmp
{
shutdown = true;
LocalEndpoint.Close();
ReceiverThread.Interrupt();
}
private void Receiver()
@ -64,7 +65,7 @@ namespace ln.snmp
IPEndPoint remoteEndpoint = null;
byte[] datagram = LocalEndpoint.Receive(ref remoteEndpoint);
Logging.Log(LogLevel.DEBUG,"SNMPClient: Received: {0}", BitConverter.ToString(datagram));
Logging.Log(LogLevel.DEBUGDETAIL,"SNMPClient: Received: {0}", BitConverter.ToString(datagram));
ASN1Value asn = new ASN1Value(datagram);
SnmpMessage snmpMessage = asn;

6
SNMPInterface.cs
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@ -41,7 +41,7 @@ namespace ln.snmp
List<Sequence> results = new List<Sequence>();
foreach (Variable varBind in varBinds.Items)
{
results.Add(varBind as Sequence);
results.Add(varBind as Sequence);
}
return results;
}
@ -214,13 +214,15 @@ namespace ln.snmp
{
cont = true;
row[n] = next[n];
row[n].Items = new Variable[] { OIDs[n].IndexTo(lastOIDs[n]), next[n].Items[1] };
}
else
{
row[n] = null;
}
}
results.Add(row);
if (cont)
results.Add(row);
}
return results.ToArray();
}

2
endpoint/USMEndpoint.cs
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@ -224,7 +224,7 @@ namespace ln.snmp.endpoint
}
Logging.Log(LogLevel.DEBUGDETAIL, "Authenticating Message: {0}",BitConverter.ToString(wholeMsg));
Logging.Log(LogLevel.DEBUG, "Authenticated Message: {0}", BitConverter.ToString(((ASN1Value)message).AsByteArray));
Logging.Log(LogLevel.DEBUGDETAIL, "Authenticated Message: {0}", BitConverter.ToString(((ASN1Value)message).AsByteArray));
return true;
}

14
rfc1213/RFC1213.cs
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@ -14,6 +14,7 @@ using ln.snmp.endpoint;
using ln.snmp.types;
using System.Linq;
using ln.types;
using ln.logging;
namespace ln.snmp.rfc1213
{
public static class RFC1213
@ -22,20 +23,21 @@ namespace ln.snmp.rfc1213
public static Interface[] GetInterfaces(SnmpEndpoint endpoint)
{
Dictionary<int,Interface> interfaces = new Dictionary<int,Interface>();
ObjectIdentifier baseOID = new ObjectIdentifier("1.3.6.1.2.1.2.2.1.2");
Sequence[][] ifTable = endpoint.snmpWalk(new String[] {
"1.3.6.1.2.1.2.2.1.2",
"1.3.6.1.2.1.2.2.1.10",
"1.3.6.1.2.1.2.2.1.16",
"1.3.6.1.2.1.2.2.1.14",
"1.3.6.1.2.1.2.2.1.20"
"1.3.6.1.2.1.2.2.1.6"
});
foreach (Sequence[] row in ifTable)
{
ObjectIdentifier index = (row[0].Items[0] as ObjectIdentifier);
Interface intf = new Interface();
intf.Name = (row[0].Items[1] as OctetString).StringValue;
intf.HWAddr = BitConverter.ToString((row[1].Items[1] as OctetString).Bytes);
interfaces.Add(index.OIDValue[0],intf);
}
@ -66,11 +68,11 @@ namespace ln.snmp.rfc1213
public class Interface
{
public String Name { get; set; }
public String HWAddr { get => hwaddr; set => hwaddr = value; }
public CIDR[] IPAddresses => _IPAddresses.ToArray();
private List<CIDR> _IPAddresses = new List<CIDR>();
private String hwaddr;
public Interface()
{

28
types/Unsigned32.cs
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@ -15,7 +15,7 @@ namespace ln.snmp.types
public uint UIntValue { get; set; }
public Unsigned32()
:base(new Identifier(IdentifierClass.APPLICATION, false, 0x02))
:base(new Identifier(IdentifierClass.APPLICATION, false, 0x102))
{
}
@ -57,7 +57,31 @@ namespace ln.snmp.types
{
}
public Counter32(uint value)
: base(new Identifier(IdentifierClass.APPLICATION, false, 0x01),value)
: base(new Identifier(IdentifierClass.APPLICATION, false, 0x01), value)
{
}
}
public class Gauge32 : Unsigned32
{
public Gauge32()
: base(new Identifier(IdentifierClass.APPLICATION, false, 0x02))
{
}
public Gauge32(uint value)
: base(new Identifier(IdentifierClass.APPLICATION, false, 0x02), value)
{
}
}
public class TimeTicks : Unsigned32
{
public TimeTicks()
: base(new Identifier(IdentifierClass.APPLICATION, false, 0x03))
{
}
public TimeTicks(uint value)
: base(new Identifier(IdentifierClass.APPLICATION, false, 0x03), value)
{
}
}

2
types/Variable.cs
View File

@ -120,6 +120,8 @@ namespace ln.snmp.types
registerKnownType<Integer>();
registerKnownType<OctetString>();
registerKnownType<Unsigned32>();
registerKnownType<Gauge32>();
registerKnownType<TimeTicks>();
registerKnownType<Counter32>();
registerKnownType<Counter64>();
registerKnownType<Sequence>();