/// <summary>
/// Send SNMP Trap notification
/// </summary>
/// <remarks>
/// Helper function to allow for seamless sending of SNMP notifications for all protocol versions.
///
/// packet parameter should be appropriately formatted SNMP notification in SnmpV1TrapPacket,
/// SnmpV2Packet or SnmpV3Packet class cast as SnmpPacket class.
///
/// Function will determine which version of the notification is to be used by checking the type
/// of the packet parameter and call appropriate TrapAgent member function to send it.
/// </remarks>
/// <param name="packet">SNMP trap packet</param>
/// <param name="peer">Manager (receiver) IP address</param>
/// <param name="port">Manager (receiver) UDP port number</param>
public static void SendTrap(SnmpPacket packet, IpAddress peer, int port)
{
TrapAgent agent = new TrapAgent();
if (packet is SnmpV1TrapPacket)
{
agent.SendV1Trap((SnmpV1TrapPacket)packet, peer, port);
}
else if (packet is SnmpV2Packet)
{
agent.SendV2Trap((SnmpV2Packet)packet, peer, port);
}
else if (packet is SnmpV3Packet)
{
agent.SendV3Trap((SnmpV3Packet)packet, peer, port);
}
else
{
throw new SnmpException("Invalid SNMP packet type.");
}
}
/// <summary>
/// Traps are only sent when using an agent and manager in the same system (localhost)
/// under attack 0
/// not under attack anymore 1
/// found enemy 2
/// head bellow 50 3
/// head bellow 25 4
/// head bellow 0 5
/// legs bellow 50 6
/// legs bellow 25 7
/// legs bellow 0 8
/// </summary>
/// <param name="trapCase"></param>
public void sendTrap(int trapCase) {
string underAttackOid = "1";
string foundEnemyOid = "2";
string headOid = "5.1";
string legsOid = "5.2";
string armsOid = "5.3";
TrapAgent agent = new TrapAgent();
// Variable Binding collection to send with the trap
VbCollection col = new VbCollection();
switch (trapCase)
{
//under attack
case 0:
col.Add(new Oid("1.3.2.5." + underAttackOid), new Counter32((uint)metalGear.underAttack));
break;
//not under attack anymore
case 1:
col.Add(new Oid("1.3.2.5." + underAttackOid), new Counter32((uint)metalGear.underAttack));
break;
// found enemy
case 2:
col.Add(new Oid("1.3.2.5." + foundEnemyOid), new Counter32(1));
break;
// head bellow 50
case 3:
col.Add(new Oid("1.3.2.5." + headOid), new Counter32((uint)metalGear.HeadHealth));
break;
// head bellow 25
case 4:
col.Add(new Oid("1.3.2.5." + headOid), new Counter32((uint)metalGear.HeadHealth));
break;
// head destroyed
case 5:
col.Add(new Oid("1.3.2.5." + headOid), new Counter32((uint)metalGear.HeadHealth));
break;
// legs bellow 50
case 6:
col.Add(new Oid("1.3.2.5." + legsOid), new Counter32((uint)metalGear.LegsHealth));
break;
// legs bellow 25
case 7:
col.Add(new Oid("1.3.2.5." + legsOid), new Counter32((uint)metalGear.LegsHealth));
break;
// legs destroyed
case 8:
col.Add(new Oid("1.3.2.5." + legsOid), new Counter32((uint)metalGear.LegsHealth));
break;
}
Debug.Log("sending trap");
// Send the trap to the localhost port 162
agent.SendV1Trap(new IpAddress("127.0.0.1"), 16009, "public",
new Oid("1.3.2.5.0"), new IpAddress("127.0.0.1"),
SnmpConstants.LinkUp, 0, 13432, col);
}
/// <summary>
/// Send SNMP Trap notification
/// </summary>
/// <remarks>
/// Helper function to allow for seamless sending of SNMP notifications for all protocol versions.
///
/// packet parameter should be appropriately formatted SNMP notification in SnmpV1TrapPacket,
/// SnmpV2Packet or SnmpV3Packet class cast as SnmpPacket class.
///
/// Function will determine which version of the notification is to be used by checking the type
/// of the packet parameter and call appropriate TrapAgent member function to send it.
/// </remarks>
/// <param name="packet">SNMP trap packet</param>
/// <param name="peer">Manager (receiver) IP address</param>
/// <param name="port">Manager (receiver) UDP port number</param>
public static void SendTrap(SnmpPacket packet, IpAddress peer, int port)
{
TrapAgent agent = new TrapAgent();
if (packet is SnmpV1TrapPacket)
agent.SendV1Trap((SnmpV1TrapPacket)packet, peer, port);
else if (packet is SnmpV2Packet)
agent.SendV2Trap((SnmpV2Packet)packet, peer, port);
else if (packet is SnmpV3Packet)
agent.SendV3Trap((SnmpV3Packet)packet, peer, port);
else
throw new SnmpException("Invalid SNMP packet type.");
}
/// <summary>
/// 读取根节点
/// </summary>
/// <param name="Ip">ip地址</param>
/// <param name="outinfo">输出到那个字典</param>
public void SnmpAgent(Dictionary<string, List<string>> Ip_OID, Dictionary<string, Dictionary<string, string>> outinfo)
{
#region 新方法
foreach (KeyValuePair<string, List<string>> MyKVP in Ip_OID)
{
try
{
SimpleSnmp snmp = new SimpleSnmp(MyKVP.Key, "public");
if (!snmp.Valid)
{
continue;
}
Dictionary<string, string> Info = new Dictionary<string, string>();
VbCollection col = new VbCollection();
TrapAgent agent = new TrapAgent();
foreach (string bc in MyKVP.Value)
{
Dictionary<Oid, AsnType> result = snmp.Walk(SnmpVersion.Ver2, bc);
if (result == null)
{
continue;
}
foreach (KeyValuePair<Oid, AsnType> kvp in result)
{
try
{
if (!Info.ContainsKey(kvp.Key.ToString()))
{
Info.Add(kvp.Key.ToString(), kvp.Value.ToString());
}
else
{
Info.Remove(kvp.Key.ToString());
Info.Add(kvp.Key.ToString(), kvp.Value.ToString());
}
}
catch (Exception ex)
{
msg.SaveTempMessage(ex.Source.ToString(), ex.Message.ToString(), DateTime.Now.ToString());
}
}
}
if (!outinfo.ContainsKey(MyKVP.Key))
{
outinfo.Add(MyKVP.Key, Info);
}
else
{
outinfo.Remove(MyKVP.Key);
outinfo[MyKVP.Key] = Info;
}
}
catch (Exception ex)
{
msg.SaveTempMessage(ex.Source.ToString(), ex.Message.ToString(), DateTime.Now.ToString());
}
}
#endregion
}
public bool SnmpTrapTest(string receiver, int receiverPort, string community, string senderSysObjectID, string senderIpAdress, VbCollection varList)
{
try
{
TrapAgent agent = new TrapAgent();
// Send the trap to the localhost port 162
agent.SendV1Trap(new IpAddress(receiver), receiverPort, community,
new Oid(senderSysObjectID), new IpAddress(senderIpAdress),
SnmpConstants.LinkUp, 0, 13432, varList);
return true;
}
catch
{
return false;
}
}