public bool sprawdzPolaczenie(string host1, string commun)
{
/*!
*Sprawdza, czy pod wpisanymi danymi istnieje jakiś serwer do obsługi.
*/
string OID = "1.3.6.1.2.1.6.11.0";
OctetString communityOS = new OctetString(commun);
AgentParameters param = new AgentParameters(communityOS);
param.Version = SnmpVersion.Ver1;
IpAddress agent = new IpAddress(host1);
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
Pdu pdu = new Pdu(PduType.Get);
pdu.VbList.Add(OID);
try
{
SnmpV1Packet result = (SnmpV1Packet)target.Request(pdu, param);
}
catch
{
return false;
}
host = host1;
community = commun;
return true;
}
public string get(string ip, string oid)
{
Pdu pdu = new Pdu(PduType.Get);
pdu.VbList.Add(oid);
OctetString community = new OctetString("public");
AgentParameters param = new AgentParameters(community);
param.Version = SnmpVersion.Ver1;
{
IpAddress agent = new IpAddress(ip);
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
SnmpV1Packet result = (SnmpV1Packet)target.Request(pdu, param);
if (result != null)
{
if (result.Pdu.ErrorStatus != 0)
{
return string.Format("Error in SNMP reply. Error {0} index {1} \r\n",
result.Pdu.ErrorStatus,
result.Pdu.ErrorIndex);
}
else
{
return result.Pdu.VbList[0].Value.ToString();
}
}
else
{
return string.Format("No response received from SNMP agent. \r\n");
}
target.Dispose();
}
}
/// <summary>
/// Constructor
/// </summary>
public CTarget()
{
_address = new IpAddress(System.Net.IPAddress.Loopback);
_port = 161;
_version = SnmpVersion.Ver2;
_timeout = 2000;
_retry = 1;
_community = "public";
}
/// <summary>Constructor</summary>
public TrapPdu()
{
_asnType = (byte)PduType.Trap;
_enterprise = new Oid();
_agentAddr = new IpAddress();
_generic = new Integer32();
_specific = new Integer32();
_timeStamp = new TimeTicks();
_variables = new VbCollection();
}
private SnmpV2Packet GetSNMP()
{
IpAddress agent = new IpAddress(textBox3.Text);
String myOID = textBox1.Text;
// Define agent parameters class
AgentParameters param = new AgentParameters(community);
// Set SNMP version to 2
param.Version = SnmpVersion.Ver2;
// Construct target
UdpTarget target = new UdpTarget((System.Net.IPAddress)agent, 161, 2000, 1);
// Pdu class used for all requests
Pdu pdu = new Pdu(PduType.Get);
pdu.VbList.Add(myOID); //sysDescr
// Make SNMP request
SnmpV2Packet result = (SnmpV2Packet)target.Request(pdu, param);
return result;
}
public string getHostname(string ip)
{
string hostname = null;
try
{
OctetString comm = new OctetString(_community);
AgentParameters param = new AgentParameters(comm);
param.Version = SnmpVersion.Ver1;
IpAddress agent = new IpAddress(ip);
UdpTarget target = new UdpTarget((IPAddress)agent,161,2000,1);
Pdu pdu = new Pdu(PduType.Get);
pdu.VbList.Add("1.3.6.1.2.1.1.5.0");
SnmpV1Packet result = (SnmpV1Packet)target.Request(pdu, param);
if (result!=null)
{
if (result.Pdu.ErrorStatus!= 0)
{
hostname = null;
}
else
{
string[] cutPdu = Regex.Split(result.Pdu.VbList[0].Value.ToString(),@"\.");
hostname = cutPdu[0];
}
}
else
{
hostname = null;
}
}
catch (Exception)
{
hostname = null;
}
return hostname;
}
/// <summary>Used to create correct variable type object for the specified encoded type</summary>
/// <param name="asnType">ASN.1 type code</param>
/// <returns>A new object matching type supplied or null if type was not recognized.</returns>
public static AsnType GetSyntaxObject(SMIDataTypeCode asnType)
{
AsnType obj = null;
if (asnType == SMIDataTypeCode.Integer)
obj = new Integer32 ();
else if (asnType == SMIDataTypeCode.Counter32)
obj = new Counter32 ();
else if (asnType == SMIDataTypeCode.Gauge32)
obj = new Gauge32 ();
else if (asnType == SMIDataTypeCode.Counter64)
obj = new Counter64 ();
else if (asnType == SMIDataTypeCode.TimeTicks)
obj = new TimeTicks ();
else if (asnType == SMIDataTypeCode.OctetString)
obj = new OctetString ();
else if (asnType == SMIDataTypeCode.Opaque)
obj = new Opaque ();
else if (asnType == SMIDataTypeCode.IPAddress)
obj = new IpAddress ();
else if (asnType == SMIDataTypeCode.ObjectId)
obj = new Oid ();
else if (asnType == SMIDataTypeCode.PartyClock)
obj = new V2PartyClock ();
else if (asnType == SMIDataTypeCode.NoSuchInstance)
obj = new NoSuchInstance ();
else if (asnType == SMIDataTypeCode.NoSuchObject)
obj = new NoSuchObject ();
else if (asnType == SMIDataTypeCode.EndOfMibView)
obj = new EndOfMibView ();
else if (asnType == SMIDataTypeCode.Null)
{
obj = new Null ();
}
return obj;
}
/// <summary>
/// Return SNMP type object of the type specified by name. Supported variable types are:
/// <see cref="Integer32"/>, <see cref="Counter32"/>, <see cref="Gauge32"/>, <see cref="Counter64"/>,
/// <see cref="TimeTicks"/>, <see cref="OctetString"/>, <see cref="IpAddress"/>, <see cref="Oid"/>, and
/// <see cref="Null"/>.
///
/// Type names are the same as support class names compared without case sensitivity (e.g. Integer == INTEGER).
/// </summary>
/// <param name="name">Name of the object type (not case sensitive)</param>
/// <returns>New <see cref="AsnType"/> object.</returns>
public static AsnType GetSyntaxObject(string name)
{
AsnType obj = null;
if (name.ToUpper ().Equals ("INTEGER32") || name.ToUpper ().Equals ("INTEGER"))
obj = new Integer32 ();
else if (name.ToUpper ().Equals ("COUNTER32"))
obj = new Counter32 ();
else if (name.ToUpper ().Equals ("GAUGE32"))
obj = new Gauge32 ();
else if (name.ToUpper ().Equals ("COUNTER64"))
obj = new Counter64 ();
else if (name.ToUpper ().Equals ("TIMETICKS"))
obj = new TimeTicks ();
else if (name.ToUpper ().Equals ("OCTETSTRING"))
obj = new OctetString ();
else if (name.ToUpper ().Equals ("IPADDRESS"))
obj = new IpAddress ();
else if (name.ToUpper ().Equals ("OID"))
obj = new Oid ();
else if (name.ToUpper ().Equals ("NULL"))
obj = new Null ();
else
throw new ArgumentException ("Invalid value type name");
return obj;
}
/// <summary>
/// Send SNMP version 1 Trap notification
/// </summary>
/// <param name="packet">SNMP v1 Trap packet class</param>
/// <param name="peer">Manager (receiver) IP address</param>
/// <param name="port">Manager (receiver) UDP port number</param>
public void SendV1Trap(SnmpV1TrapPacket packet, IpAddress peer, int port)
{
byte[] outBuffer = packet.encode();
_sock.SendTo(outBuffer, new IPEndPoint((IPAddress)peer, port));
}
void getSNMP(string ip,out float ValueA,out float ValueB,out string Status)
{
ValueA = 0;
ValueB = 0;
Status = "";
// SNMP community name
OctetString community = new OctetString("PUBLIC");
// Define agent parameters class
AgentParameters param = new AgentParameters(community);
// Set SNMP version to 1 (or 2)
param.Version = SnmpVersion.Ver1;
IpAddress agent = new IpAddress(ip);
// Construct target
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
// Pdu class used for all requests
Pdu pdu = new Pdu(PduType.Get);
pdu.VbList.Add("1.3.6.1.4.1.33826.1.1.5.1.2.1"); //a
pdu.VbList.Add("1.3.6.1.4.1.33826.1.1.5.1.2.2"); //b
Application.DoEvents();
// Make SNMP request
try{
SnmpV1Packet result = (SnmpV1Packet)target.Request(pdu, param);
Application.DoEvents();
// If result is null then agent didn't reply or we couldn't parse the reply.
if (result != null)
{
// ErrorStatus other then 0 is an error returned by
// the Agent - see SnmpConstants for error definitions
if (result.Pdu.ErrorStatus != 0)
{
// agent reported an error with the request
Console.WriteLine("Error in SNMP reply. Error {0} index {1}",
result.Pdu.ErrorStatus,
result.Pdu.ErrorIndex);
Status = "false";
}
else
{
// Reply variables are returned in the same order as they were added
// to the VbList
// MessageBox.Show(result.Pdu.VbList[0].Oid.ToString() + " (" + SnmpConstants.GetTypeName(result.Pdu.VbList[0].Value.Type) + ") " + result.Pdu.VbList[0].Value.ToString());
// MessageBox.Show(result.Pdu.VbList[1].Oid.ToString() + " (" + SnmpConstants.GetTypeName(result.Pdu.VbList[1].Value.Type) + ") " + result.Pdu.VbList[1].Value.ToString());
// MessageBox.Show(result.Pdu.VbList[2].Oid.ToString() + " (" + SnmpConstants.GetTypeName(result.Pdu.VbList[2].Value.Type) + ") " + result.Pdu.VbList[2].Value.ToString());
ValueA = float.Parse(result.Pdu.VbList[0].Value.ToString()) / 10;
ValueB = float.Parse(result.Pdu.VbList[1].Value.ToString()) / 10;
Status = "done";
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
}
target.Close();
}
catch
{
Status = "false";
}
}
/// <summary>
/// Reset the class. Initialize all member values to class defaults.
/// </summary>
public void Reset()
{
_address = new IpAddress(System.Net.IPAddress.Loopback);
_port = 161;
_version = SnmpVersion.Ver3;
_timeout = 2000;
_retry = 1;
_engineId = new OctetString();
_engineBoots = new Integer32();
_engineTime = new Integer32();
_engineTimeStamp = DateTime.MinValue;
_privacyProtocol = PrivacyProtocols.None;
_authenticationProtocol = AuthenticationDigests.None;
_privacySecret = new MutableByte();
_authenticationSecret = new MutableByte();
_contextEngineId = new OctetString();
_contextName = new OctetString();
_securityName = new OctetString();
// max message size is initialized to 64KB by default. It will be
// to the smaller of the two values after discovery process
_maxMessageSize = new Integer32(64 * 1024);
_reportable = true;
}
public static void GetTable()
{
Dictionary<String, Dictionary<uint, AsnType>> result = new Dictionary<String, Dictionary<uint, AsnType>>();
// Not every row has a value for every column so keep track of all columns available in the table
List<uint> tableColumns = new List<uint>();
// Prepare agent information
AgentParameters param = new AgentParameters(SnmpVersion.Ver2, new OctetString("public"));
IpAddress peer = new IpAddress("192.168.15.42");
if (!peer.Valid)
{
Console.WriteLine("Unable to resolve name or error in address for peer: {0}", "");
return;
}
UdpTarget target = new UdpTarget((IPAddress)peer);
// This is the table OID supplied on the command line
Oid startOid = new Oid("1.3.6.1.2.1.47.1.1.1");
// Each table OID is followed by .1 for the entry OID. Add it to the table OID
startOid.Add(1); // Add Entry OID to the end of the table OID
// Prepare the request PDU
Pdu bulkPdu = Pdu.GetBulkPdu();
bulkPdu.VbList.Add(startOid);
// We don't need any NonRepeaters
bulkPdu.NonRepeaters = 0;
// Tune MaxRepetitions to the number best suited to retrive the data
bulkPdu.MaxRepetitions = 100;
// Current OID will keep track of the last retrieved OID and be used as
// indication that we have reached end of table
Oid curOid = (Oid)startOid.Clone();
// Keep looping through results until end of table
while (startOid.IsRootOf(curOid))
{
SnmpPacket res = null;
try
{
res = target.Request(bulkPdu, param);
}
catch (Exception ex)
{
Console.WriteLine("Request failed: {0}", ex.Message);
target.Close();
return;
}
// For GetBulk request response has to be version 2
if (res.Version != SnmpVersion.Ver2)
{
Console.WriteLine("Received wrong SNMP version response packet.");
target.Close();
return;
}
// Check if there is an agent error returned in the reply
if (res.Pdu.ErrorStatus != 0)
{
Console.WriteLine("SNMP agent returned error {0} for request Vb index {1}",
res.Pdu.ErrorStatus, res.Pdu.ErrorIndex);
target.Close();
return;
}
// Go through the VbList and check all replies
foreach (Vb v in res.Pdu.VbList)
{
curOid = (Oid)v.Oid.Clone();
// VbList could contain items that are past the end of the requested table.
// Make sure we are dealing with an OID that is part of the table
if (startOid.IsRootOf(v.Oid))
{
// Get child Id's from the OID (past the table.entry sequence)
uint[] childOids = Oid.GetChildIdentifiers(startOid, v.Oid);
// Get the value instance and converted it to a dotted decimal
// string to use as key in result dictionary
uint[] instance = new uint[childOids.Length - 1];
Array.Copy(childOids, 1, instance, 0, childOids.Length - 1);
String strInst = InstanceToString(instance);
// Column id is the first value past <table oid>.entry in the response OID
uint column = childOids[0];
if (!tableColumns.Contains(column))
tableColumns.Add(column);
if (result.ContainsKey(strInst))
{
result[strInst][column] = (AsnType)v.Value.Clone();
}
else
{
result[strInst] = new Dictionary<uint, AsnType>();
result[strInst][column] = (AsnType)v.Value.Clone();
}
}
else
{
// We've reached the end of the table. No point continuing the loop
break;
}
}
// If last received OID is within the table, build next request
if (startOid.IsRootOf(curOid))
{
bulkPdu.VbList.Clear();
bulkPdu.VbList.Add(curOid);
bulkPdu.NonRepeaters = 0;
bulkPdu.MaxRepetitions = 100;
}
}
target.Close();
if (result.Count <= 0)
{
Console.WriteLine("No results returned.\n");
}
else
{
Console.Write("Instance");
foreach (uint column in tableColumns)
{
Console.Write("\tColumn id {0}", column);
}
Console.WriteLine("");
foreach (KeyValuePair<string, Dictionary<uint, AsnType>> kvp in result)
{
Console.Write("{0}", kvp.Key);
foreach (uint column in tableColumns)
{
if (kvp.Value.ContainsKey(column))
{
Console.Write("\t{0} ({1})", kvp.Value[column].ToString(),
SnmpConstants.GetTypeName(kvp.Value[column].Type));
}
else
{
Console.Write("\t-");
}
}
Console.WriteLine("");
}
}
}
static List <BulkResult> GatherBulk(string oid, string host, string communityString)
{
var returnValue = new List <BulkResult>();
// SNMP community name
OctetString community = new OctetString(communityString);
// Define agent parameters class
AgentParameters param = new AgentParameters(community);
// Set SNMP version to 2 (GET-BULK only works with SNMP ver 2 and 3)
param.Version = SnmpVersion.Ver2;
// Construct the agent address object
// IpAddress class is easy to use here because
// it will try to resolve constructor parameter if it doesn't
// parse to an IP address
IpAddress agent = new IpAddress(host);
// Construct target
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
// Define Oid that is the root of the MIB
// tree you wish to retrieve
Oid rootOid = new Oid(oid);
// This Oid represents last Oid returned by
// the SNMP agent
Oid lastOid = (Oid)rootOid.Clone();
// Pdu class used for all requests
Pdu pdu = new Pdu(PduType.GetBulk);
// In this example, set NonRepeaters value to 0
pdu.NonRepeaters = 0;
// MaxRepetitions tells the agent how many Oid/Value pairs to return
// in the response.
pdu.MaxRepetitions = 5;
// Loop through results
while (lastOid != null)
{
// When Pdu class is first constructed, RequestId is set to 0
// and during encoding id will be set to the random value
// for subsequent requests, id will be set to a value that
// needs to be incremented to have unique request ids for each
// packet
if (pdu.RequestId != 0)
{
pdu.RequestId += 1;
}
// Clear Oids from the Pdu class.
pdu.VbList.Clear();
// Initialize request PDU with the last retrieved Oid
pdu.VbList.Add(lastOid);
// Make SNMP request
SnmpV2Packet result = (SnmpV2Packet)target.Request(pdu, param);
// You should catch exceptions in the Request if using in real application.
// If result is null then agent didn't reply or we couldn't parse the reply.
if (result != null)
{
// ErrorStatus other then 0 is an error returned by
// the Agent - see SnmpConstants for error definitions
if (result.Pdu.ErrorStatus != 0)
{
// agent reported an error with the request
Console.WriteLine("Error in SNMP reply. Error {0} index {1}",
result.Pdu.ErrorStatus,
result.Pdu.ErrorIndex);
lastOid = null;
break;
}
else
{
// Walk through returned variable bindings
foreach (Vb v in result.Pdu.VbList)
{
// Check that retrieved Oid is "child" of the root OID
if (rootOid.IsRootOf(v.Oid))
{
//returnValue.Add(v.Value.ToString());
returnValue.Add(new BulkResult(v.Oid.ToString(), v.Value.ToString()));
//Console.WriteLine("{0} ({1}): {2}",
// v.Oid.ToString(),
// SnmpConstants.GetTypeName(v.Value.Type),
// v.Value.ToString());
if (v.Value.Type == SnmpConstants.SMI_ENDOFMIBVIEW)
{
lastOid = null;
}
else
{
lastOid = v.Oid;
}
}
else
{
// we have reached the end of the requested
// MIB tree. Set lastOid to null and exit loop
lastOid = null;
}
}
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
}
}
target.Close();
return(returnValue);
}
public string zwrocWartoscOID(string OID)
{
/*!
*Zwraca wartość zadanego OID
*/
OctetString communityOS = new OctetString(community);
AgentParameters param = new AgentParameters(communityOS);
param.Version = SnmpVersion.Ver1;
IpAddress agent = new IpAddress(host);
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
Pdu pdu = new Pdu(PduType.Get);
pdu.VbList.Add(OID);
SnmpV1Packet result = (SnmpV1Packet)target.Request(pdu, param);
//wyłączony fragment kodu OID :: typ zmiennej: result.Pdu.VbList[0].Oid.ToString() + " :: " + SnmpConstants.GetTypeName(result.Pdu.VbList[0].Value.Type) + " :: " +
string zwrot = result.Pdu.VbList[0].Value.ToString();
return zwrot;
}
public bool sprawdzCzyPoleIstnieje(string OID)
{
/*!
*Metoda publiczna do sprawdzenia, czy dane OID jest dostępne na danej maszynie
*/
bool czyIstnieje = false;
OctetString communityOS = new OctetString(community);
AgentParameters param = new AgentParameters(communityOS);
param.Version = SnmpVersion.Ver1;
IpAddress agent = new IpAddress(host);
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
Pdu pdu = new Pdu(PduType.Get);
pdu.VbList.Add(OID);
SnmpV1Packet result = (SnmpV1Packet)target.Request(pdu, param);
if (result.Pdu.ErrorIndex == 0)
{
czyIstnieje = true;
}
if (OID == "1.3.6.1.2.1.6.13.0")
czyIstnieje = true;
return czyIstnieje;
}
static void remoteCall(string[] args)
{
// SNMP community name
OctetString community = new OctetString("public");
// Define agent parameters class
AgentParameters param = new AgentParameters(community);
// Set SNMP version to 1
param.Version = SnmpVersion.Ver1;
// Construct the agent address object
// IpAddress class is easy to use here because
// it will try to resolve constructor parameter if it doesn't
// parse to an IP address
IpAddress agent = new IpAddress("127.0.0.1");
// Construct target
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
// Define Oid that is the root of the MIB
// tree you wish to retrieve
Oid rootOid = new Oid("1.3.6.1.2.1.2.2.1.2"); // ifDescr
// This Oid represents last Oid returned by
// the SNMP agent
Oid lastOid = (Oid)rootOid.Clone();
// Pdu class used for all requests
Pdu pdu = new Pdu(PduType.GetNext);
// Loop through results
while (lastOid != null)
{
// When Pdu class is first constructed, RequestId is set to a random value
// that needs to be incremented on subsequent requests made using the
// same instance of the Pdu class.
if (pdu.RequestId != 0)
{
pdu.RequestId += 1;
}
// Clear Oids from the Pdu class.
pdu.VbList.Clear();
// Initialize request PDU with the last retrieved Oid
pdu.VbList.Add(lastOid);
// Make SNMP request
SnmpV1Packet result = (SnmpV1Packet)target.Request(pdu, param);
// You should catch exceptions in the Request if using in real application.
// If result is null then agent didn't reply or we couldn't parse the reply.
if (result != null)
{
// ErrorStatus other then 0 is an error returned by
// the Agent - see SnmpConstants for error definitions
if (result.Pdu.ErrorStatus != 0)
{
// agent reported an error with the request
Console.WriteLine("Error in SNMP reply. Error {0} index {1}",
result.Pdu.ErrorStatus,
result.Pdu.ErrorIndex);
lastOid = null;
break;
}
else
{
// Walk through returned variable bindings
foreach (Vb v in result.Pdu.VbList)
{
// Check that retrieved Oid is "child" of the root OID
if (rootOid.IsRootOf(v.Oid))
{
Console.WriteLine("{0} ({1}): {2}",
v.Oid.ToString(),
SnmpConstants.GetTypeName(v.Value.Type),
v.Value.ToString());
lastOid = v.Oid;
}
else
{
// we have reached the end of the requested
// MIB tree. Set lastOid to null and exit loop
lastOid = null;
}
}
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
}
}
target.Close();
}
/// <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>
/// Construct and send SNMP v3 authPriv Trap
/// </summary>
/// <param name="receiver">Trap receiver IP address</param>
/// <param name="receiverPort">Trap receiver UDP port number</param>
/// <param name="engineId">Sender SNMP engineId</param>
/// <param name="senderEngineBoots">Sender SNMP engine boots</param>
/// <param name="senderEngineTime">Sender SNMP engine time</param>
/// <param name="senderUserName">Security (user) name</param>
/// <param name="senderUpTime">Sender upTime</param>
/// <param name="trapObjectID">Trap object ID</param>
/// <param name="varList">Variable binding list</param>
/// <param name="authDigest">Authentication digest. See <see cref="AuthenticationDigests"/> enumeration for
/// available digests</param>
/// <param name="authSecret">Authentication secret</param>
/// <param name="privProtocol">Privacy protocol. See <see cref="PrivacyProtocols"/> enumeration for
/// available privacy protocols.</param>
/// <param name="privSecret">Privacy secret</param>
public void SendV3Trap(IpAddress receiver, int receiverPort, byte[] engineId, Int32 senderEngineBoots,
Int32 senderEngineTime, string senderUserName, UInt32 senderUpTime, Oid trapObjectID, VbCollection varList,
AuthenticationDigests authDigest, byte[] authSecret, PrivacyProtocols privProtocol, byte[] privSecret)
{
SnmpV3Packet packet = new SnmpV3Packet();
packet.Pdu.Type = PduType.V2Trap;
packet.authPriv(ASCIIEncoding.UTF8.GetBytes(senderUserName), authSecret, authDigest,privSecret, privProtocol);
packet.SetEngineId(engineId);
packet.SetEngineTime(senderEngineBoots, senderEngineTime);
packet.ScopedPdu.TrapObjectID.Set(trapObjectID);
packet.ScopedPdu.TrapSysUpTime.Value = senderUpTime;
packet.ScopedPdu.VbList.Add(varList);
packet.MsgFlags.Reportable = false;
SendV3Trap(packet, receiver, receiverPort);
}
/// <summary>
/// Construct and send SNMP v3 noAuthNoPriv Trap
/// </summary>
/// <param name="receiver">Trap receiver IP address</param>
/// <param name="receiverPort">Trap receiver UDP port number</param>
/// <param name="engineId">Sender SNMP engineId</param>
/// <param name="senderEngineBoots">Sender SNMP engine boots</param>
/// <param name="senderEngineTime">Sender SNMP engine time</param>
/// <param name="senderUserName">Security (user) name</param>
/// <param name="senderUpTime">Sender upTime</param>
/// <param name="trapObjectID">Trap object ID</param>
/// <param name="varList">Variable binding list</param>
public void SendV3Trap(IpAddress receiver, int receiverPort, byte[] engineId, Int32 senderEngineBoots,
Int32 senderEngineTime, string senderUserName, UInt32 senderUpTime, Oid trapObjectID, VbCollection varList)
{
SnmpV3Packet packet = new SnmpV3Packet();
packet.Pdu.Type = PduType.V2Trap;
packet.NoAuthNoPriv(ASCIIEncoding.UTF8.GetBytes(senderUserName));
packet.SetEngineId(engineId);
packet.SetEngineTime(senderEngineBoots, senderEngineTime);
packet.ScopedPdu.TrapObjectID.Set(trapObjectID);
packet.ScopedPdu.TrapSysUpTime.Value = senderUpTime;
packet.ScopedPdu.VbList.Add(varList);
packet.MsgFlags.Reportable = false;
SendV3Trap(packet, receiver, receiverPort);
}
/// <summary>
/// WALk方法
/// </summary>
/// <param name="Ip_OID">ip-oid</param>
/// <param name="outinfo">输出到那个字典</param>
public void SnmpWalk(Dictionary<string, List<string>> Ip_OID, Dictionary<string, Dictionary<string, string>> outinfo)
{
foreach (string address in Ip_OID.Keys)
{
Dictionary<string, string> Info = new Dictionary<string, string>();
try
{
{
Pdu pdu = new Pdu(PduType.Get);
foreach (string a in Ip_OID[address])
{
pdu.VbList.Add(a);
}
OctetString community = new OctetString("public");
AgentParameters param = new AgentParameters(community);
param.Version = SnmpVersion.Ver2;
IpAddress agent = new IpAddress(address);
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
SnmpV2Packet result = (SnmpV2Packet)target.Request(pdu, param);
if (result != null)
{
if (result.Pdu.ErrorStatus != 0)
{
Console.WriteLine("Error in SNMP reply. Error {0} index {1} \r\n",
result.Pdu.ErrorStatus,
result.Pdu.ErrorIndex);
}
else
{
for (int i = 0; i < pdu.VbCount; i++)
{
Info.Add(result.Pdu.VbList[i].Oid.ToString(), result.Pdu.VbList[i].Value.ToString());
}
if (outinfo.ContainsKey(address) == false)
{
outinfo.Add(address, Info);
}
else
{
outinfo[address] = Info;
}
}
}
else
{
Console.WriteLine("No response received from SNMP agent. \r\n");
msg.SaveTempMessage("", DateTime.Now.ToString(), "No response received from SNMP agent. \r\n");
}
target.Dispose();
}
}
catch (Exception ex)
{
msg.SaveTempMessage(ex.Source.ToString(), ex.Message.ToString(), DateTime.Now.ToString());
}
}
}
public Obiekt zwrocWartosciOID(string OID, string male_oid)
{
//Dictionary<string, string> struktura_obiektu = new Dictionary<string, string>();
Obiekt obiekt1 = new Obiekt();
OctetString communityOS = new OctetString(community);
AgentParameters param = new AgentParameters(communityOS);
param.Version = SnmpVersion.Ver1;
IpAddress agent = new IpAddress(host);
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
Pdu pdu = new Pdu(PduType.Get);
pdu.VbList.Add(OID);
SnmpV1Packet result = (SnmpV1Packet)target.Request(pdu, param);
//wyłączony fragment kodu OID :: typ zmiennej: result.Pdu.VbList[0].Oid.ToString() + " :: " + SnmpConstants.GetTypeName(result.Pdu.VbList[0].Value.Type) + " :: " +
obiekt1.nazwa = polaTCPslownik.FirstOrDefault(x => x.Value.Contains(OID)).Key;
obiekt1.OID = result.Pdu.VbList[0].Oid.ToString();
obiekt1.typ = SnmpConstants.GetTypeName(result.Pdu.VbList[0].Value.Type);
obiekt1.wartosc = result.Pdu.VbList[0].Value.ToString();
obiekt1.localOID = male_oid;
/*struktura_obiektu.Add("Nazwa",polaTCPslownik.FirstOrDefault(x => x.Value.Contains(OID)).Key);
string temp = result.Pdu.VbList[0].Oid.ToString();
struktura_obiektu.Add("OID", temp);
temp = SnmpConstants.GetTypeName(result.Pdu.VbList[0].Value.Type);
struktura_obiektu.Add("Typ", temp);
temp = result.Pdu.VbList[0].Value.ToString();
struktura_obiektu.Add("Wartość", temp);
string zwrot = result.Pdu.VbList[0].Value.ToString();
return struktura_obiektu;*/
return obiekt1;
}
public void GetInfoOID(DataTable dtInterfaceGauge,out DataTable dt)
{
dt = dtInterfaceGauge.Copy();
if (dtInterfaceGauge.Rows.Count > 0)
{
// SNMP community name
OctetString community = new OctetString(_community);
// Define agent parameters class
AgentParameters param = new AgentParameters(community);
// Set SNMP version to 1 (or 2)
param.Version = SnmpVersion.Ver1;
// Construct the agent address object
// IpAddress class is easy to use here because
// it will try to resolve constructor parameter if it doesn't
// parse to an IP address
IpAddress agent = new IpAddress(_ipHost);
// Construct target
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
// Pdu class used for all requests
Pdu pdu = new Pdu(PduType.Get);
for (int i = 0; i < dtInterfaceGauge.Rows.Count; i++)
{
pdu.VbList.Add(dtInterfaceGauge.Rows[i]["OIDIn"].ToString());
pdu.VbList.Add(dtInterfaceGauge.Rows[i]["OIDOut"].ToString());
}
// Make SNMP request
SnmpV1Packet result = (SnmpV1Packet)target.Request(pdu, param);
// If result is null then agent didn't reply or we couldn't parse the reply.
if (result != null)
{
// ErrorStatus other then 0 is an error returned by
// the Agent - see SnmpConstants for error definitions
if (result.Pdu.ErrorStatus != 0)
{
// agent reported an error with the request
Console.WriteLine("Error in SNMP reply. Error {0} index {1}",
result.Pdu.ErrorStatus,
result.Pdu.ErrorIndex);
}
else
{
// Reply variables are returned in the same order as they were added
// to the VbList
// MessageBox.Show(result.Pdu.VbList[0].Oid.ToString() + " (" + SnmpConstants.GetTypeName(result.Pdu.VbList[0].Value.Type) + ") " + result.Pdu.VbList[0].Value.ToString());
for (int i = 0; i < dtInterfaceGauge.Rows.Count; i++)
{
dtInterfaceGauge.Rows[i]["InBandwidth"] = result.Pdu.VbList[i+i].Value.ToString();
dtInterfaceGauge.Rows[i]["OutBandwidth"] = result.Pdu.VbList[i+i+1].Value.ToString();
}
dt = dtInterfaceGauge;
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
}
target.Close();
}
}
public void pobierzTabeleDoUsuniecia()
{
/*!
*Pobiera tabele SNMP.
*/
Dictionary<String, Dictionary<uint, AsnType>> tabela_rezultat = new Dictionary<string, Dictionary<uint, AsnType>>();
List<uint> tabeleKolumy = new List<uint>();
AgentParameters param = new AgentParameters(SnmpVersion.Ver2, new OctetString(community));
IpAddress peer = new IpAddress(host);
if (!peer.Valid)
{
Console.WriteLine("Zły adres.");
return;
}
UdpTarget target = new UdpTarget((IPAddress)peer);
Oid startOid = new Oid("1.3.6.1.2.1.6.13");
startOid.Add(1);
//przygotowanie zapytania
Pdu bulkPdu = Pdu.GetBulkPdu();
bulkPdu.VbList.Add(startOid);
bulkPdu.NonRepeaters = 0;
bulkPdu.MaxRepetitions = 100;
Oid curOid = (Oid)startOid.Clone();
while (startOid.IsRootOf(curOid))
{
SnmpPacket res = null;
try
{
res = target.Request(bulkPdu, param);
}
catch (Exception ex)
{
Console.WriteLine("Zapytanie nieudane {0}", ex.Message);
target.Close();
return;
}
if (res.Version != SnmpVersion.Ver2)
{
Console.WriteLine("Received wrong SNMP version response packet.");
target.Close();
return;
}
if (res.Pdu.ErrorStatus != 0)
{
Console.WriteLine("SNMP agent zwrócił błąd {0} dla zapytania {1}", res.Pdu.ErrorStatus, res.Pdu.ErrorIndex);
target.Close();
return;
}
foreach (Vb v in res.Pdu.VbList)
{
curOid = (Oid)v.Oid.Clone();
if (startOid.IsRootOf(v.Oid))
{
uint[] childOids = Oid.GetChildIdentifiers(startOid, v.Oid);
uint[] instance = new uint[childOids.Length - 1];
Array.Copy(childOids, 1, instance, 0, childOids.Length - 1);
String strInst = InstanceToString(instance);
uint column = childOids[0];
if (!tabeleKolumy.Contains(column))
tabeleKolumy.Add(column);
if (tabela_rezultat.ContainsKey(strInst))
{
tabela_rezultat[strInst][column] = (AsnType)v.Value.Clone();
}
else
{
tabela_rezultat[strInst] = new Dictionary<uint, AsnType>();
tabela_rezultat[strInst][column] = (AsnType)v.Value.Clone();
}
}
else
{
break; //bo koniec tabeli ;)
}
}
if (startOid.IsRootOf(curOid))
{
bulkPdu.VbList.Clear();
bulkPdu.VbList.Add(curOid);
bulkPdu.NonRepeaters = 0;
bulkPdu.MaxRepetitions = 100;
}
target.Close();
if (tabela_rezultat.Count <= 0)
{
Console.WriteLine("Żadnych rezlutatów nie zwrócono");
}
else
{
Console.WriteLine("Instance");
foreach (uint column in tabeleKolumy)
{
Console.Write("\tColumn id {0}", column);
}
Console.WriteLine("");
foreach (KeyValuePair<string, Dictionary<uint, AsnType>> kvp in tabela_rezultat)
{
Console.Write("{0}", kvp.Key);
foreach (uint column in tabeleKolumy)
{
if (kvp.Value.ContainsKey(column))
{
Console.Write("\t{0} ({1})", kvp.Value[column].ToString(), SnmpConstants.GetTypeName(kvp.Value[column].Type));
}
else
{
Console.Write("\t-");
}
}
Console.WriteLine("");
}
}
}
}
private void button11_Click(object sender, EventArgs e)
{
//SnmpTest snt = new SnmpTest(tbAddress.Text, "public", ".1.3.6.1.4.1.38446");
//string[] t= {".1.3.6.1.4.1.38446"};
//snt.Test();
OctetString community = new OctetString("public");
AgentParameters param = new AgentParameters(community);
param.Version = SnmpVersion.Ver2;
IpAddress agent = new IpAddress("192.168.1.120");
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
Pdu pdu2 = new Pdu(PduType.GetBulk);
pdu2.VbList.Add(".1.3.6.1.4.1.38446.1.1.2.1.13");
SnmpV2Packet result2 = (SnmpV2Packet)target.Request(pdu2, param);
int i=result2.Pdu.VbCount;
string str= SnmpConstants.GetTypeName(result2.Pdu.VbList[0].Value.Type);
string str2 = result2.Pdu.VbList[0].Value.ToString();
return;
// Define Oid that is the root of the MIB
// tree you wish to retrieve
Oid rootOid = new Oid(".1.3.6.1.4.1.38446.1.5.9.1.9"); // ifDescr
// This Oid represents last Oid returned by
// the SNMP agent
Oid lastOid = (Oid)rootOid.Clone();
// Pdu class used for all requests
Pdu pdu = new Pdu(PduType.GetBulk);
// In this example, set NonRepeaters value to 0
pdu.NonRepeaters = 0;
// MaxRepetitions tells the agent how many Oid/Value pairs to return
// in the response.
pdu.MaxRepetitions = 5;
// Loop through results
while (lastOid != null)
{
// When Pdu class is first constructed, RequestId is set to 0
// and during encoding id will be set to the random value
// for subsequent requests, id will be set to a value that
// needs to be incremented to have unique request ids for each
// packet
if (pdu.RequestId != 0)
{
pdu.RequestId += 1;
}
// Clear Oids from the Pdu class.
pdu.VbList.Clear();
// Initialize request PDU with the last retrieved Oid
pdu.VbList.Add(lastOid);
// Make SNMP request
SnmpV2Packet result = (SnmpV2Packet)target.Request(pdu, param);
// You should catch exceptions in the Request if using in real application.
// If result is null then agent didn't reply or we couldn't parse the reply.
if (result != null)
{
// ErrorStatus other then 0 is an error returned by
// the Agent - see SnmpConstants for error definitions
if (result.Pdu.ErrorStatus != 0)
{
// agent reported an error with the request
Console.WriteLine("Error in SNMP reply. Error {0} index {1}",
result.Pdu.ErrorStatus,
result.Pdu.ErrorIndex);
lastOid = null;
break;
}
else
{
// Walk through returned variable bindings
foreach (Vb v in result.Pdu.VbList)
{
// Check that retrieved Oid is "child" of the root OID
if (rootOid.IsRootOf(v.Oid))
{
Console.WriteLine("{0} ({1}): {2}",
v.Oid.ToString(),
SnmpConstants.GetTypeName(v.Value.Type),
v.Value.ToString());
lastOid = v.Oid;
}
else
{
// we have reached the end of the requested
// MIB tree. Set lastOid to null and exit loop
lastOid = null;
}
}
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
}
}
target.Dispose();
}
/// <summary>Used to create correct variable type object for the specified encoded type</summary>
/// <param name="asnType">ASN.1 type code</param>
/// <returns>A new object matching type supplied or null if type was not recognized.</returns>
public static AsnType GetSyntaxObject(SMIDataTypeCode asnType)
{
AsnType obj = null;
if (asnType == SMIDataTypeCode.Integer)
{
obj = new Integer32();
}
else if (asnType == SMIDataTypeCode.Counter32)
{
obj = new Counter32();
}
else if (asnType == SMIDataTypeCode.Gauge32)
{
obj = new Gauge32();
}
else if (asnType == SMIDataTypeCode.Counter64)
{
obj = new Counter64();
}
else if (asnType == SMIDataTypeCode.TimeTicks)
{
obj = new TimeTicks();
}
else if (asnType == SMIDataTypeCode.OctetString)
{
obj = new OctetString();
}
else if (asnType == SMIDataTypeCode.Opaque)
{
obj = new Opaque();
}
else if (asnType == SMIDataTypeCode.IPAddress)
{
obj = new IpAddress();
}
else if (asnType == SMIDataTypeCode.ObjectId)
{
obj = new Oid();
}
else if (asnType == SMIDataTypeCode.PartyClock)
{
obj = new V2PartyClock();
}
else if (asnType == SMIDataTypeCode.NoSuchInstance)
{
obj = new NoSuchInstance();
}
else if (asnType == SMIDataTypeCode.NoSuchObject)
{
obj = new NoSuchObject();
}
else if (asnType == SMIDataTypeCode.EndOfMibView)
{
obj = new EndOfMibView();
}
else if (asnType == SMIDataTypeCode.Null)
{
obj = new Null();
}
return(obj);
}
public void init()
{
Console.Write("please input agent ip[" + ip + "]:");
String tmp = Console.ReadLine();
if (tmp.StartsWith("debug"))
{
for (int i = 0; i < oids.Length; i++)
{
Console.WriteLine(oids[i][0]);
}
Console.Write("please input agent ip[" + ip + "]:");
tmp = Console.ReadLine();
}
ip = tmp.Length > 0 ? tmp.Trim() : ip;
Console.Write("please input agent port[" + port + "]:");
tmp = Console.ReadLine();
port = tmp.Length > 0 ? tmp.Trim() : port;
Console.Write("please input agent read community[" + rc + "]:");
tmp = Console.ReadLine();
rc = tmp.Length > 0 ? tmp.Trim() : rc;
Console.WriteLine(ip + ":" + port + ":" + rc);
OctetString community = new OctetString(rc);
param = new AgentParameters(community);
param.Version = SnmpVersion.Ver2;
IpAddress agent = new IpAddress(ip);
target = new UdpTarget((IPAddress)agent, int.Parse(port), 10000, 2);
}
/// <summary>Used to create correct variable type object for the specified encoded type</summary>
/// <param name="asnType">ASN.1 type code</param>
/// <returns>A new object matching type supplied or null if type was not recognized.</returns>
public static AsnType GetSyntaxObject(byte asnType)
{
AsnType obj = null;
if (asnType == SnmpConstants.SMI_INTEGER)
obj = new Integer32();
else if (asnType == SnmpConstants.SMI_COUNTER32)
obj = new Counter32();
else if (asnType == SnmpConstants.SMI_GAUGE32)
obj = new Gauge32();
else if (asnType == SnmpConstants.SMI_COUNTER64)
obj = new Counter64();
else if (asnType == SnmpConstants.SMI_TIMETICKS)
obj = new TimeTicks();
else if (asnType == SnmpConstants.SMI_STRING)
obj = new OctetString();
else if (asnType == SnmpConstants.SMI_OPAQUE)
obj = new Opaque();
else if (asnType == SnmpConstants.SMI_IPADDRESS)
obj = new IpAddress();
else if (asnType == SnmpConstants.SMI_OBJECTID)
obj = new Oid();
else if (asnType == SnmpConstants.SMI_PARTY_CLOCK)
obj = new V2PartyClock();
else if (asnType == SnmpConstants.SMI_NOSUCHINSTANCE)
obj = new NoSuchInstance();
else if (asnType == SnmpConstants.SMI_NOSUCHOBJECT)
obj = new NoSuchObject();
else if (asnType == SnmpConstants.SMI_ENDOFMIBVIEW)
obj = new EndOfMibView();
else if (asnType == SnmpConstants.SMI_NULL)
{
obj = new Null();
}
return obj;
}
public Tabela pobierzTabele()
{
/*!
*Pobiera tabele SNMP.
*/
Tabela tabela1 = new Tabela();
AgentParameters param = new AgentParameters(SnmpVersion.Ver2, new OctetString(community));
IpAddress peer = new IpAddress(host);
if (!peer.Valid)
{
Console.WriteLine("Zły adres.");
//return false;
}
UdpTarget target = new UdpTarget((IPAddress)peer);
Oid startOid = new Oid("1.3.6.1.2.1.6.13");
startOid.Add(1);
Pdu bulkPdu = Pdu.GetBulkPdu();
bulkPdu.VbList.Add(startOid);
bulkPdu.NonRepeaters = 0;
bulkPdu.MaxRepetitions = 100;
Oid curOid = (Oid)startOid.Clone();
while (startOid.IsRootOf(curOid))
{
SnmpPacket res = null;
try
{
res = target.Request(bulkPdu, param);
}
catch (Exception ex)
{
Console.WriteLine("Zapytanie nieudane {0}", ex.Message);
target.Close();
//return false;
}
if (res.Version != SnmpVersion.Ver2)
{
Console.WriteLine("Otrzymano inną wersję SNMP w odpowiedzi.");
target.Close();
//return false;
}
if (res.Pdu.ErrorStatus != 0)
{
Console.WriteLine("SNMP agent zwrócił błąd {0} dla zapytania {1}", res.Pdu.ErrorStatus, res.Pdu.ErrorIndex);
target.Close();
//return false;
}
foreach (Vb v in res.Pdu.VbList)
{
curOid = (Oid)v.Oid.Clone();
if (startOid.IsRootOf(v.Oid))
{
uint[] childOids = Oid.GetChildIdentifiers(startOid, v.Oid);
uint[] instance = new uint[childOids.Length - 1];
Array.Copy(childOids, 1, instance, 0, childOids.Length - 1);
String strInst = InstanceToString(instance);
uint column = childOids[0];
if (!tabelaKolumn.Contains(column))
tabelaKolumn.Add(column);
if (slownikRezultatu.ContainsKey(strInst))
{
slownikRezultatu[strInst][column] = (AsnType)v.Value.Clone();
}
else {
slownikRezultatu[strInst] = new Dictionary<uint, AsnType>();
slownikRezultatu[strInst][column] = (AsnType)v.Value.Clone();
}
}
else {
break;
}
}
if (startOid.IsRootOf(curOid))
{
bulkPdu.VbList.Clear();
bulkPdu.VbList.Add(curOid);
bulkPdu.NonRepeaters = 0;
bulkPdu.MaxRepetitions = 100;
}
}
target.Close();
if (slownikRezultatu.Count <= 0)
{
//Console.WriteLine("Żadnych rezlutatów nie zwrócono");
//return false;
}
else {
//return true;
}
/*UFAM W TABELE, ŻE SŁOWNIK NIE ODWRÓCI KOLEJNOŚCI I WALĘ NA OŚLEP KOLEJNE WARTOŚCI*/
foreach (KeyValuePair<string, Dictionary<uint, AsnType>> kvp in slownikRezultatu)
{
int i = 0;
tabela1.tcpAddress.Add(kvp.Key);
foreach (uint kolumna in tabelaKolumn)
{
if (kvp.Value.ContainsKey(kolumna))
{
if (i == 0)
tabela1.tcpConnLocalAddress.Add(kvp.Value[kolumna].ToString());
else if (i == 1)
tabela1.tcpConnLocalPort.Add(kvp.Value[kolumna].ToString());
else if (i == 2)
tabela1.tcpConnRemAddress.Add(kvp.Value[kolumna].ToString());
else if (i == 3)
tabela1.tcpConnRemPort.Add(kvp.Value[kolumna].ToString());
else if (i == 4)
tabela1.tcpConnState.Add(kvp.Value[kolumna].ToString());
i++;
}
}
}
/*/BUDOWA DRZEWA
foreach (KeyValuePair<string,Dictionary<uint,AsnType>> kvp in slownikRezultatu)
{
tabela1.tcpAddress.Add(kvp.Key);
tabela1.tcpConnLocalAddress.Add(kvp.Value[0].ToString());
tabela1.tcpConnLocalPort.Add(kvp.Value[1].ToString());
tabela1.tcpConnRemAddress.Add(kvp.Value[2].ToString());
tabela1.tcpConnRemPort.Add(kvp.Value[3].ToString());
tabela1.tcpConnState.Add(kvp.Value[4].ToString());
}*/
return tabela1;
}
/// <summary>Used to create correct variable type object for the specified encoded type</summary>
/// <param name="asnType">ASN.1 type code</param>
/// <returns>A new object matching type supplied or null if type was not recognized.</returns>
public static AsnType GetSyntaxObject(byte asnType)
{
AsnType obj = null;
if (asnType == SMI_INTEGER)
{
obj = new Integer32();
}
else if (asnType == SMI_COUNTER32)
{
obj = new Counter32();
}
else if (asnType == SMI_GAUGE32)
{
obj = new Gauge32();
}
else if (asnType == SMI_COUNTER64)
{
obj = new Counter64();
}
else if (asnType == SMI_TIMETICKS)
{
obj = new TimeTicks();
}
else if (asnType == SMI_STRING)
{
obj = new OctetString();
}
else if (asnType == SMI_OPAQUE)
{
obj = new Opaque();
}
else if (asnType == SMI_IPADDRESS)
{
obj = new IpAddress();
}
else if (asnType == SMI_OBJECTID)
{
obj = new Oid();
}
else if (asnType == SMI_PARTY_CLOCK)
{
obj = new V2PartyClock();
}
else if (asnType == SMI_NOSUCHINSTANCE)
{
obj = new NoSuchInstance();
}
else if (asnType == SMI_NOSUCHOBJECT)
{
obj = new NoSuchObject();
}
else if (asnType == SMI_ENDOFMIBVIEW)
{
obj = new EndOfMibView();
}
else if (asnType == SMI_NULL)
{
obj = new Null();
}
return(obj);
}
public Dictionary<string, string> Query(String oid, string Type)
{
Dictionary<string, string> Res = new Dictionary<string, string>();
// SNMP community name
OctetString community = new OctetString(Community);
// Define agent parameters class
param = new AgentParameters(community);
// Set SNMP version to 1 (or 2)
if (Version == 1 ) {
param.Version = SnmpVersion.Ver1;
}
// Construct the agent address object
// IpAddress class is easy to use here because
// it will try to resolve constructor parameter if it doesn't
// parse to an IP address
IpAddress agent = new IpAddress(Ip.ToString());
// Construct target
UdpTarget target = new UdpTarget((IPAddress)agent, Port, 2000, 1);
switch (Type) {
case "get":
Res = getResult(target, basicInfo());
break;
case "walk":
Res = walk(target, oid);
break;
}
target.Close();
return Res;
}
/// <summary>
/// Will get the rest of the variables, parts and percentages
/// </summary>
private Dictionary<String, String> getData()
{
Dictionary<String, String> dictionary = new Dictionary<String, String>();
OctetString community = new OctetString( "public" );
AgentParameters param = new AgentParameters( community );
param.Version = SnmpVersion.Ver1;
IpAddress agent = new IpAddress( printerName );
UdpTarget target = new UdpTarget( (System.Net.IPAddress)agent, 161, 2000, 1 );
Oid rootOid = new Oid( printerOID ); // ifDescr
Oid lastOid = (Oid)rootOid.Clone();
Pdu pdu = new Pdu( PduType.GetNext );
while ( lastOid != null )
{
// When Pdu class is first constructed, RequestId is set to a random value
// that needs to be incremented on subsequent requests made using the
// same instance of the Pdu class.
if ( pdu.RequestId != 0 )
{
pdu.RequestId += 1;
}
// Clear Oids from the Pdu class.
pdu.VbList.Clear();
// Initialize request PDU with the last retrieved Oid
pdu.VbList.Add( lastOid );
// Make SNMP request
SnmpV1Packet result = null;
try
{
result = (SnmpV1Packet)target.Request( pdu, param );
}
catch
{
return null;
}
// If result is null then agent didn't reply or we couldn't parse the reply.
if ( result != null )
{
// ErrorStatus other then 0 is an error returned by
// the Agent - see SnmpConstants for error definitions
if ( result.Pdu.ErrorStatus != 0 )
{
// agent reported an error with the request
Console.WriteLine( "Error in SNMP reply. Error {0} index {1}",
result.Pdu.ErrorStatus,
result.Pdu.ErrorIndex );
lastOid = null;
break;
}
else
{
// Walk through returned variable bindings
foreach ( Vb v in result.Pdu.VbList )
{
// Check that retrieved Oid is "child" of the root OID
if ( rootOid.IsRootOf( v.Oid ) )
{
dictionary.Add( v.Oid.ToString(), v.Value.ToString() );
lastOid = v.Oid;
}
else
{
lastOid = null;
}
}
}
}
else
{
Console.WriteLine( "No response received from SNMP agent." );
}
}
target.Close();
return dictionary;
}
protected void Page_Load(object sender, EventArgs e)
{
if (Request.Form["key"] != null)
{
txtCommand.Visible = false;
btnSubmit.Visible = false;
string _key = Request.Form["key"].ToString().Trim();
if (_key.IndexOf("168.") > 0)
{
// kiem tra neu key la IP thi log thang vao modem
_key = _key.Trim();
try
{
string IP = _key;
if (IP.Trim() != "")
{
if (IP.Trim() != "0.0.0.0")
{
// SNMP community name
OctetString community = new OctetString("LBC");
// Define agent parameters class
AgentParameters param = new AgentParameters(community);
// Set SNMP version to 1 (or 2)
param.Version = SnmpVersion.Ver1;
IpAddress agent = new IpAddress(IP);
// Construct target
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
// Pdu class used for all requests
Pdu pdu = new Pdu(PduType.Get);
pdu.VbList.Add("1.3.6.1.2.1.10.127.1.1.4.1.5.3"); //Noise -- value1
pdu.VbList.Add("1.3.6.1.2.1.10.127.1.2.2.1.3.2"); //US Power Level --- value2
pdu.VbList.Add("1.3.6.1.2.1.10.127.1.1.1.1.6.3"); //DS Power level -- value3
// Make SNMP request
SnmpV1Packet result = (SnmpV1Packet)target.Request(pdu, param);
// If result is null then agent didn't reply or we couldn't parse the reply.
if (result != null)
{
// ErrorStatus other then 0 is an error returned by
// the Agent - see SnmpConstants for error definitions
if (result.Pdu.ErrorStatus != 0)
{
// agent reported an error with the request
Console.WriteLine("Error in SNMP reply. Error {0} index {1}",
result.Pdu.ErrorStatus,
result.Pdu.ErrorIndex);
lblKQ.Text = "Device Offline";
}
else
{
// Reply variables are returned in the same order as they were added
// to the VbList
lblKQ.Text += "DS SNR: " + (float.Parse(result.Pdu.VbList[0].Value.ToString()) / 10).ToString() + " \r\n";
lblKQ.Text += "US Tx: " + (float.Parse(result.Pdu.VbList[1].Value.ToString()) / 10).ToString() + " \r\n";
lblKQ.Text += "DS Rx: " + (float.Parse(result.Pdu.VbList[2].Value.ToString()) / 10).ToString() + " \n\r";
// gridItemDetail.SetRowCellValue(gridItemDetail.FocusedRowHandle, colValue1, (float.Parse(result.Pdu.VbList[0].Value.ToString()) / 10).ToString());
// gridItemDetail.SetRowCellValue(gridItemDetail.FocusedRowHandle, colValue2, (float.Parse(result.Pdu.VbList[1].Value.ToString()) / 10).ToString());
// gridItemDetail.SetRowCellValue(gridItemDetail.FocusedRowHandle, colValue3, (float.Parse(result.Pdu.VbList[2].Value.ToString()) / 10).ToString());
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
lblKQ.Text = "Device Offline";
}
target.Close();
}
}
}
catch { lblKQ.Text = "Device Offline"; }
// lblKQ.Text = _key;
}
else
{
if (Request.Form["mode"] != null)
{
if (Request.Form["mode"].ToString().Trim() == "phy")
{
string result = ShowCable(_key, "phy");
string[] sp = result.Split('|');
result = "";
for (int i = 0; i < sp.Length; i++)
{
string _mac = "";
if (sp[i].Length > 13)
{
string txt = sp[i].Trim();
_mac = txt.Substring(0, 14);
_mac = _mac.Trim();
}
if (_mac != "")
{
if (!_mac.Contains("Server"))
{
_mac = "<a href=http://101.99.28.156:88/sv2.aspx?macip=" + _mac + ">" + _mac + "</a>" + sp[i].Trim().Substring(14) + "<br>";
result += _mac.Trim();
}
else
{
_mac = _mac + sp[i].Trim().Substring(14) + "<br>";
result += _mac.Trim();
}
}
}
lblKQ.Text = result.Trim();
}
else
{
lblKQ.Text = ShowCable(_key, "remote");
}
}
else
{
string result = ShowCable(_key, "phy");
string[] sp = result.Split('|');
result = "";
for (int i = 0; i < sp.Length; i++)
{
string _mac = "";
if (sp[i].Length > 13)
{
string txt = sp[i].Trim();
_mac = txt.Substring(0, 14);
_mac = _mac.Trim();
}
if (_mac != "")
{
if (!_mac.Contains("Server"))
{
_mac = "<a href=http://101.99.28.156:88/sv2.aspx?macip=" + _mac + ">" + _mac + "</a>" + sp[i].Trim().Substring(14) + "<br>";
result += _mac.Trim();
}
else
{
_mac = _mac + sp[i].Trim().Substring(14) + "<br>";
result += _mac.Trim();
}
}
}
lblKQ.Text = result.Trim();
// lblKQ.Text = ShowCable(_key, "phy");
}
DateTime datetime = DateTime.Now;
// giai phong telnet
if (datetime.Minute.ToString() == "5" || datetime.Minute.ToString() == "10" || datetime.Minute.ToString() == "15" || datetime.Minute.ToString() == "20" || datetime.Minute.ToString() == "25" || datetime.Minute.ToString() == "30" || datetime.Minute.ToString() == "35" || datetime.Minute.ToString() == "40" || datetime.Minute.ToString() == "45" || datetime.Minute.ToString() == "50" || datetime.Minute.ToString() == "55")
{
SendCMD("exit");
tcpClient = null;
}
}
} // het key
else
{
if (Request.QueryString["macip"] != null)
{
string _mac = Request.QueryString["macip"].ToString().Trim();
try
{
string result = SendCMD("sh host authorization | include " + _mac);
result = result.Replace("sh host authorization | include " + _mac, "");
result = result.Replace("Host", "<br>Host");
result = result.Replace("Modem", "<br>Modem");
result = result.Replace("MOT:7A#", "");
lblKQ.Text = result.Trim();
}
catch (Exception ex)
{
lblKQ.Text = ex.Message;
}
}
txtCommand.Visible = false;
btnSubmit.Visible = false;
}
}
/// <summary>
/// Gets the model of the printer requested
/// </summary>
private void getModel()
{
// SNMP community name
OctetString community = new OctetString( "public" );
// Define agent parameters class
AgentParameters param = new AgentParameters( community );
// Set SNMP version to 1 (or 2)
param.Version = SnmpVersion.Ver1;
// Construct the agent address object
// IpAddress class is easy to use here because
// it will try to resolve constructor parameter if it doesn't
// parse to an IP address
IpAddress agent = new IpAddress( printerName );
// Construct target
UdpTarget target = new UdpTarget( (System.Net.IPAddress)agent, 161, 2000, 3 );
// Pdu class used for all requests
Pdu pdu = new Pdu( PduType.Get );
pdu.VbList.Add( "1.3.6.1.2.1.1.1.0" ); //sysDescr
// Make SNMP request
SnmpV1Packet result = null;
try
{
result = (SnmpV1Packet)target.Request( pdu, param );
}
catch
{
}
// If result is null then agent didn't reply or we couldn't parse the reply.
if ( result != null )
{
// ErrorStatus other then 0 is an error returned by
// the Agent - see SnmpConstants for error definitions
if ( result.Pdu.ErrorStatus != 0 )
{
// agent reported an error with the request
Console.WriteLine( "Error in SNMP reply. Error {0} index {1}",
result.Pdu.ErrorStatus,
result.Pdu.ErrorIndex );
}
else
{
// Reply variables are returned in the same order as they were added
// to the VbList
printerModel = result.Pdu.VbList[0].Value.ToString();
}
}
else
{
Console.WriteLine( "No response received from SNMP agent." );
}
target.Close();
}
/// <summary>
/// Return SNMP type object of the type specified by name. Supported variable types are:
/// * <see cref="Integer32"/>
/// * <see cref="Counter32"/>
/// * <see cref="Gauge32"/>
/// * <see cref="Counter64"/>
/// * <see cref="TimeTicks"/>
/// * <see cref="OctetString"/>
/// * <see cref="IpAddress"/>
/// * <see cref="Oid"/>
/// * <see cref="Null"/>
/// </summary>
/// <param name="name">Name of the object type</param>
/// <returns>New <see cref="AsnType"/> object.</returns>
public static AsnType GetSyntaxObject(string name)
{
AsnType obj = null;
if (name == "Integer32")
obj = new Integer32();
else if (name == "Counter32")
obj = new Counter32();
else if (name == "Gauge32")
obj = new Gauge32();
else if (name == "Counter64")
obj = new Counter64();
else if (name == "TimeTicks")
obj = new TimeTicks();
else if (name == "OctetString")
obj = new OctetString();
else if (name == "IpAddress")
obj = new IpAddress();
else if (name == "Oid")
obj = new Oid();
else if (name == "Null")
obj = new Null();
else
throw new ArgumentException("Invalid value type name");
return obj;
}
/// <summary>
/// Compare value against IPAddress, byte array, UInt32, IpAddress of OctetString class value.
/// </summary>
/// <param name="obj">Type: <see cref="System.Net.IPAddress"/> or byte <see cref="Array"/> or <see cref="UInt32"/> or <see cref="IpAddress"/> or <see cref="OctetString"/></param>
/// <returns>0 if class values are the same, -1 if current class value is less then or 1 if greater then the class value
/// we are comparing against.</returns>
public int CompareTo(object obj)
{
byte[] b = null;
if (obj == null)
{
return(-1);
}
if (obj is IPAddress)
{
IPAddress ipa = (IPAddress)obj;
b = ipa.GetAddressBytes();
}
else if (obj is byte[])
{
b = (byte[])obj;
}
else if (obj is UInt32)
{
IpAddress ipa = new IpAddress((UInt32)obj);
b = ipa.ToArray();
}
else if (obj is IpAddress)
{
b = ((IpAddress)obj).ToArray();
}
else if (obj is OctetString)
{
b = ((OctetString)obj).ToArray();
}
if (_data == null)
{
return(-1);
}
if (b.Length != _data.Length)
{
if (_data.Length < b.Length)
{
return(-1);
}
else
{
return(1);
}
}
else
{
for (int i = 0; i < _data.Length; i++)
{
if (_data[i] < b[i])
{
return(-1);
}
else if (_data[i] > b[i])
{
return(1);
}
}
return(0);
}
}