public void TestToTrapMessageChinese()
{
Variable v = new Variable(new ObjectIdentifier(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1001, 21, 0 }),
new OctetString("嶄忽", Encoding.Unicode));
List <Variable> vList = new List <Variable> {
v
};
TrapV1Pdu pdu = new TrapV1Pdu(new ObjectIdentifier(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1000, 2 }),
new IP("127.0.0.1"),
new Integer32((int)GenericCode.EnterpriseSpecific),
new Integer32(12),
new TimeTicks(16352),
vList);
byte[] bytes = TrapV1Message.PackMessage(VersionCode.V1, new OctetString("public"), pdu).ToBytes();
TrapV1Message message = (TrapV1Message)MessageFactory.ParseMessages(bytes, new UserRegistry())[0];
Assert.Equal("127.0.0.1", message.AgentAddress.ToString());
Assert.Equal(GenericCode.EnterpriseSpecific, message.Generic);
Assert.Equal(12, message.Specific);
Assert.Equal(16352U, message.TimeStamp);
Assert.Equal(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1000, 2 }, message.Enterprise.ToNumerical());
Assert.Equal(1, message.Variables().Count);
Assert.Equal(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1001, 21, 0 }, message.Variables()[0].Id.ToNumerical());
Assert.Equal("嶄忽", ((OctetString)message.Variables()[0].Data).ToString(Encoding.Unicode));
}
public void TestToTrapMessage()
{
Variable v = new Variable(new ObjectIdentifier(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1001, 21, 0 }),
new OctetString("TrapTest"));
List <Variable> vList = new List <Variable> {
v
};
TrapV1Pdu pdu = new TrapV1Pdu(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1000, 2 },
new IP("127.0.0.1"),
new Integer32((int)GenericCode.EnterpriseSpecific),
new Integer32(12),
new TimeTicks(16352),
vList);
byte[] bytes = TrapV1Message.PackMessage(VersionCode.V1, new OctetString("public"), pdu).ToBytes();
TrapV1Message message = (TrapV1Message)MessageFactory.ParseMessages(bytes, new UserRegistry())[0];
Assert.Equal("127.0.0.1", message.AgentAddress.ToString());
Assert.Equal(GenericCode.EnterpriseSpecific, message.Generic);
Assert.Equal(12, message.Specific);
Assert.Equal(16352U, message.TimeStamp);
Assert.Equal(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1000, 2 }, message.Enterprise.ToNumerical());
Assert.Equal(1, message.Variables().Count);
Assert.Equal(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1001, 21, 0 }, message.Variables()[0].Id.ToNumerical());
Assert.Equal("TrapTest", message.Variables()[0].Data.ToString());
Assert.Equal("SNMPv1 TRAP PDU: agent address: 127.0.0.1; time stamp: 00:02:43.5200000; enterprise: 1.3.6.1.4.1.2162.1000.2; generic: EnterpriseSpecific; specific: 12; varbind count: 1", pdu.ToString());
}
public void TestParseOneVarbind()
{
byte[] buffer = Properties.Resources.onevarbind;
TrapV1Message message = (TrapV1Message)MessageFactory.ParseMessages(buffer, new UserRegistry())[0];
Assert.AreEqual(1, message.Variables().Count);
Assert.AreEqual(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1000, 2 }, message.Enterprise.ToNumerical());
Assert.AreEqual("TrapTest", message.Variables()[0].Data.ToString());
Assert.AreEqual(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1001, 21, 0 }, message.Variables()[0].Id.ToNumerical());
}
public void TestParseOneVarbind()
{
byte[] buffer = File.ReadAllBytes(Path.Combine("Resources", "onevarbind.dat"));
TrapV1Message message = (TrapV1Message)MessageFactory.ParseMessages(buffer, new UserRegistry())[0];
Assert.Equal(1, message.Variables().Count);
Assert.Equal(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1000, 2 }, message.Enterprise.ToNumerical());
Assert.Equal("TrapTest", message.Variables()[0].Data.ToString());
Assert.Equal(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1001, 21, 0 }, message.Variables()[0].Id.ToNumerical());
}
public void TestParseTwoVarbinds()
{
byte[] buffer = Properties.Resources.twovarbinds;
TrapV1Message message = (TrapV1Message)MessageFactory.ParseMessages(buffer, new UserRegistry())[0];
Assert.Equal(2, message.Variables().Count);
Assert.Equal("TrapTest", message.Variables()[0].Data.ToString());
Assert.Equal(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1001, 21, 0 }, message.Variables()[0].Id.ToNumerical());
Assert.Equal("TrapTest", message.Variables()[1].Data.ToString());
Assert.Equal(new uint[] { 1, 3, 6, 1, 4, 1, 2162, 1001, 22, 0 }, message.Variables()[1].Id.ToNumerical());
}
public void TestSendTrap()
{
TrapV1Message message = new TrapV1Message(VersionCode.V1,
IPAddress.Parse("127.0.0.1"),
new OctetString("public"),
new ObjectIdentifier(new uint[] { 1, 3, 6 }),
GenericCode.AuthenticationFailure,
0,
0,
new List <Variable>());
byte[] bytes = message.ToBytes();
ISnmpMessage parsed = MessageFactory.ParseMessages(bytes, new UserRegistry())[0];
Assert.AreEqual(SnmpType.TrapV1Pdu, parsed.TypeCode());
TrapV1Message m = (TrapV1Message)parsed;
Assert.AreEqual(GenericCode.AuthenticationFailure, m.Generic);
Assert.AreEqual(0, m.Specific);
Assert.AreEqual("public", m.Community.ToString());
Assert.AreEqual(IPAddress.Parse("127.0.0.1"), m.AgentAddress);
Assert.AreEqual(new uint[] { 1, 3, 6 }, m.Enterprise.ToNumerical());
Assert.AreEqual(0, m.TimeStamp);
Assert.AreEqual(0, m.Variables().Count);
}
public void TestParseNoVarbind()
{
byte[] buffer = Properties.Resources.novarbind;
ISnmpMessage m = MessageFactory.ParseMessages(buffer, new UserRegistry())[0];
TrapV1Message message = (TrapV1Message)m;
Assert.AreEqual(GenericCode.EnterpriseSpecific, message.Generic);
Assert.AreEqual(12, message.Specific);
Assert.AreEqual("public", message.Community.ToString());
Assert.AreEqual(IPAddress.Parse("127.0.0.1"), message.AgentAddress);
Assert.AreEqual(new uint[] { 1, 3 }, message.Enterprise.ToNumerical());
Assert.AreEqual(16352, message.TimeStamp);
Assert.AreEqual(0, message.Variables().Count);
}
//-----------------------------------------------
public static CTrapInstance FromMessage(
ISnmpMessage message,
CAgentSnmpPourSupervision agentPourSupervision)
{
TrapV1Message trapV1 = message as TrapV1Message;
TrapV2Message trapV2 = message as TrapV2Message;
InformRequestMessage inform = message as InformRequestMessage;
if (trapV1 != null)
{
CInterrogateurSnmp agent = new CInterrogateurSnmp();
agent.ConnexionIp = trapV1.AgentAddress.ToString();
agent.Connexion.Version = trapV1.Version;
agent.ConnexionCommunity = trapV1.Community.ToString();
agent.ConnexionPort = 161;
if (agentPourSupervision != null && agentPourSupervision.TypeAgent != null)
{
agentPourSupervision.TypeAgent.PrepareDynamicSnmpAgent(agent);
}
CTrapInstance instance = new CTrapInstance(agent);
instance.m_strEntreprise = trapV1.Enterprise.ToString();
instance.m_version = trapV1.Version;
instance.m_strAgentIP = trapV1.AgentAddress.ToString();
instance.m_strCommunity = trapV1.Community.ToString();
instance.GenericCode = trapV1.Generic;
instance.SpecificValue = trapV1.Specific.ToString();
instance.AgentSnmp = agentPourSupervision;
foreach (Variable variable in trapV1.Variables())
{
CTrapFieldValueBrute valeur = new CTrapFieldValueBrute(variable.Id.ToString(), variable.Data.ToString());
instance.AddValue(valeur);
}
return(instance);
}
else if (trapV2 != null)
{
CInterrogateurSnmp agent = new CInterrogateurSnmp();
if (trapV2.SenderIP == null)
{
return(null);
}
agent.ConnexionIp = trapV2.SenderIP.ToString();
agent.Connexion.Version = trapV2.Version;
string strCommunauté = "";
if (trapV2.Parameters != null)
{
if (trapV2.Parameters.UserName != null)
{
strCommunauté = trapV2.Parameters.UserName.ToString();
}
}
agent.ConnexionCommunity = strCommunauté;
agent.ConnexionPort = 161;
if (agentPourSupervision != null && agentPourSupervision.TypeAgent != null)
{
agentPourSupervision.TypeAgent.PrepareDynamicSnmpAgent(agent);
}
CTrapInstance instance = new CTrapInstance(agent);
instance.m_strEntreprise = trapV2.Enterprise.ToString();
instance.m_strAgentIP = trapV2.SenderIP.ToString();
instance.m_version = trapV2.Version;
instance.m_strCommunity = strCommunauté;
if (trapV2.Enterprise.ToString() == ".1.3.6.1.6.3.1.1.5.1")
{
instance.GenericCode = GenericCode.ColdStart;
}
else if (trapV2.Enterprise.ToString() == ".1.3.6.1.6.3.1.1.5.2")
{
instance.GenericCode = GenericCode.WarmStart;
}
else if (trapV2.Enterprise.ToString() == ".1.3.6.1.6.3.1.1.5.3")
{
instance.GenericCode = GenericCode.LinkDown;
}
else if (trapV2.Enterprise.ToString() == ".1.3.6.1.6.3.1.1.5.4")
{
instance.GenericCode = GenericCode.LinkUp;
}
else if (trapV2.Enterprise.ToString() == ".1.3.6.1.6.3.1.1.5.5")
{
instance.GenericCode = GenericCode.AuthenticationFailure;
}
else if (trapV2.Enterprise.ToString() == ".1.3.6.1.6.3.1.1.5.6")
{
instance.GenericCode = GenericCode.EgpNeighborLoss;
}
else
{
instance.GenericCode = GenericCode.EnterpriseSpecific;
int nPos = instance.m_strEntreprise.LastIndexOf(".");
if (nPos >= 0)
{
instance.m_strSpecific = instance.m_strEntreprise.Substring(nPos + 1);
instance.m_strEntreprise = instance.m_strEntreprise.Substring(0, nPos);
}
}
instance.AgentSnmp = agentPourSupervision;
foreach (Variable variable in trapV2.Variables())
{
CTrapFieldValueBrute valeur = new CTrapFieldValueBrute(variable.Id.ToString(), variable.Data.ToString());
instance.AddValue(valeur);
}
return(instance);
}
return(null);
}
//-----------------------------------------------
private void TraiteMessagesATraiter()
{
if (m_nWaitingCounter > 5)
{
return;
}
m_nWaitingCounter++;
lock (typeof(CLockerTraiteMessage))
{
m_nWaitingCounter--;
List <ISnmpMessage> lstMessages = new List <ISnmpMessage>();
lock (m_listeMessagesATraiter)
{
lstMessages.AddRange(m_listeMessagesATraiter);
m_listeMessagesATraiter.Clear();
}
foreach (ISnmpMessage message in lstMessages)
{
m_nNbMessages++;
DateTime dtChrono = DateTime.Now;
string strIpAgent = "";
TrapV1Message trapV1 = message as TrapV1Message;
TrapV2Message trapV2 = message as TrapV2Message;
if (trapV1 != null)
{
m_gestionnaireAlarmes.Trace.Write(
"Trap received : " + trapV1.GetTraceInfo(),
ALTRACE.TRACE, ALTRACE.DEBUG);
strIpAgent = trapV1.AgentAddress.ToString();
StringBuilder bl = new StringBuilder();
foreach (Variable valeur in trapV1.Variables())
{
bl.Append(valeur.Id.ToString());
bl.Append("=");
bl.Append(valeur.Data.ToString());
bl.Append("\r\n");
}
m_gestionnaireAlarmes.Trace.Write(
"Trap fields : \r\n" + bl.ToString(),
ALTRACE.TRACE, ALTRACE.DEBUG);
}
else if (trapV2 != null)
{
m_gestionnaireAlarmes.Trace.Write(
"Trap received : " + trapV2.GetTraceInfo(),
ALTRACE.TRACE, ALTRACE.DEBUG);
if (trapV2.SenderIP != null)
{
strIpAgent = trapV2.SenderIP.ToString();
}
StringBuilder bl = new StringBuilder();
foreach (Variable valeur in trapV2.Variables())
{
bl.Append(valeur.Id.ToString());
bl.Append("=");
bl.Append(valeur.Data.ToString());
bl.Append("\r\n");
}
m_gestionnaireAlarmes.Trace.Write(
"Trap fields : \r\n" + bl.ToString(),
ALTRACE.TRACE, ALTRACE.DEBUG);
}
try
{
CTrapInstance trapTmp = CTrapInstance.FromMessage(message, null);
if (trapTmp == null)
{
m_gestionnaireAlarmes.Trace.Write(
"Can not interpret message " + message.ToString(), ALTRACE.TRACE, ALTRACE.DEBUG);
continue;
}
IEnumerable <CAgentSnmpPourSupervision> lstAgents = GetAgentsForTrap(trapTmp, strIpAgent);
bool bHasAgent = false;
foreach (CAgentSnmpPourSupervision agent in lstAgents)
{
m_gestionnaireAlarmes.Trace.Write(
"Trap managed by agent " + agent.Id,
ALTRACE.DEBUG);
CTypeAgentPourSupervision typeAgent = agent.TypeAgent;
if (typeAgent != null)
{
CTrapInstance trap = CTrapInstance.FromMessage(
message,
agent);
if (trap != null)
{
IEnumerable <CTrapHandler> lstTrapsHandlers = typeAgent.GetTrapsHandlersAAppliquer(trap);
foreach (CTrapHandler handler in lstTrapsHandlers)
{
m_gestionnaireAlarmes.Trace.Write("Apply trap handler " + handler.Libelle,
ALTRACE.DEBUG);
handler.CreateAlarmesOnTrap(trap, m_gestionnaireAlarmes.Trace);
}
if (lstTrapsHandlers.Count() == 0)
{
m_gestionnaireAlarmes.Trace.Write(
"No trap handler for this trap",
ALTRACE.DEBUG);
}
foreach (CAlarmeACreer creation in trap.AlarmesACreer)
{
m_gestionnaireAlarmes.CreateAlarme(creation, EModeRemonteeAlarmes.InscrireARemonterMaisNePasLeFaire);
}
if (trap.AlarmesACreer.Count() == 0)
{
m_gestionnaireAlarmes.Trace.Write("No alarm creator for this trap",
ALTRACE.DEBUG);
}
}
}
}
if (!bHasAgent)
{
m_gestionnaireAlarmes.Trace.Write(
"No agent for this trap",
ALTRACE.DEBUG);
}
}
catch (Exception ex)
{
m_gestionnaireAlarmes.Trace.Write(
"Exception : " + ex.Message,
ALTRACE.DEBUG);
lock (m_listeMessagesATraiter)
{
m_listeMessagesATraiter.InsertRange(0, lstMessages);
}
break;
}
TimeSpan sp = DateTime.Now - dtChrono;
if (m_nNbMessages % 100 == 0)
{
Console.WriteLine("Traite alrm (" + m_nNbMessages + "): " + sp.TotalMilliseconds);
}
}
}
m_gestionnaireAlarmes.SendAlarmes();
}