private void GetSNMPValues(IList <OidRow> oidTable)
{
// SNMP community name
OctetString communityObj = new OctetString(community);
// Define agent parameters class
AgentParameters param = new AgentParameters(communityObj);
param.Version = SnmpVersion.Ver2;
IpAddress agent = new IpAddress(ipAddress);
// Construct target
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
// Pdu class used for all requests
Pdu pdu = new Pdu(PduType.Get);
foreach (OidRow or in oidTable)
{
pdu.VbList.Add(or.Oid);
}
// Make SNMP request
SnmpV2Packet result = (SnmpV2Packet)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
Errors.Add($"Error in SNMP reply. Error {result.Pdu.ErrorStatus} index {result.Pdu.ErrorIndex}. ");
}
else
{
DateTime date = DateTime.Now;
// Reply variables are returned in the same order as they were added
// to the VbList
foreach (OidRow or in oidTable)
{
or.PreviousResult = or.CurrentResult;
or.CurrentResult = result.Pdu.VbList[oidTable.IndexOf(or)].Value.ToString();
or.CurrentDate = date;
or.Results.Add(new OidResult()
{
RequestDate = date,
Value = or.CurrentResult
});
}
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
}
target.Close();
}
public static void GetTable(string host, string community, string oid, DataGridView table)
{
string type;
Program.mibObjectsTypes.TryGetValue(Program.mibObjects.FirstOrDefault(x => x.Value == oid).Key, out type);
if (type != "T")
{
MessageBox.Show("Selected position is not a table!");
return;
}
table.Rows.Clear();
table.Refresh();
Dictionary <String, Dictionary <uint, AsnType> > result = new Dictionary <String, Dictionary <uint, AsnType> >();
List <uint> tableColumns = new List <uint>();
List <string> tableRows = new List <string>();
AgentParameters param;
IpAddress peer;
try
{
param = new AgentParameters(SnmpVersion.Ver2, new OctetString(community));
peer = new IpAddress(host);
}
catch (Exception e)
{
MessageBox.Show("Invalid IP/port or community settings");
return;
}
if (!peer.Valid)
{
MessageBox.Show("Unable to resolve name or error in address for peer: {0}", host);
return;
}
UdpTarget target = new UdpTarget((System.Net.IPAddress)peer);
Oid startOid = new Oid(oid);
startOid.Add(1);
Pdu getNextPdu = Pdu.GetNextPdu();
Oid curOid = (Oid)startOid.Clone();
List <string> columnNames = new List <string>();
string searchOid = "." + startOid.ToString();
foreach (KeyValuePair <string, string> kvp in Program.mibObjects)
{
if (kvp.Value.Contains(searchOid) && !kvp.Value.Equals(searchOid))
{
columnNames.Add(kvp.Key);
}
}
while (startOid.IsRootOf(curOid))
{
SnmpPacket res = null;
try
{
res = target.Request(getNextPdu, param);
}
catch (Exception ex)
{
MessageBox.Show("Request failed: {0}", ex.Message);
target.Close();
return;
}
if (res.Pdu.ErrorStatus != 0)
{
MessageBox.Show("SNMP agent returned error " + res.Pdu.ErrorStatus + " for request Vb index " + 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 (!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
{
break;
}
}
if (startOid.IsRootOf(curOid))
{
getNextPdu.VbList.Clear();
getNextPdu.VbList.Add(curOid);
}
}
target.Close();
if (result.Count <= 0)
{
MessageBox.Show("No results returned.");
}
else
{
table.ColumnCount = tableColumns.Count + 1;
table.Columns[0].Name = "Instance";
for (int i = 0; i < tableColumns.Count; i++)
{
table.Columns[i + 1].Name = columnNames[i];
//table.Columns[i + 1].Name = "Column id " + tableColumns[i];
}
foreach (KeyValuePair <string, Dictionary <uint, AsnType> > kvp in result)
{
tableRows.Add(kvp.Key);
foreach (uint column in tableColumns)
{
if (kvp.Value.ContainsKey(column))
{
tableRows.Add(kvp.Value[column].ToString());
}
else
{
tableRows.Add("");
}
}
table.Rows.Add(tableRows.ToArray());
tableRows.Clear();
}
}
}
/// <summary>
/// 由表中一列的OID来获取整列的值集合,若出错，返回null，一般用来获取表格的索引列
/// </summary>
/// <param name="agentIP">目标IP地址</param>
/// <param name="_rootOid">此列的OID</param>
/// <param name="errorMessage">输出错误信息，若没有错误，返回空字符串</param>
/// <returns>返回字符串集合，之后自行根据此列类型进行转换，若出错，返回null</returns>
public static List <string> GetSingleColumnListFromTable(IpAddress agentIP, Oid rootOid, out string errorMessage)
{
OctetString community = new OctetString(App.snmpCommunity);
AgentParameters param = new AgentParameters(community);
param.DisableReplySourceCheck = !App.snmpCheckSrcFlag;
// Set SNMP version to 2 (GET-BULK only works with SNMP ver 2 and 3)
param.Version = SnmpVersion.Ver2;
// Construct target
UdpTarget target = new UdpTarget((IPAddress)agentIP, App.snmpPort, App.snmpTimeout, App.snmpRetry);
// Define Oid that is the root of the MIB
// tree you wish to retrieve
//Oid rootOid = rootOid;
// 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;
List <string> resultList = new List <string>();
// 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 = null;
try
{
result = (SnmpV2Packet)target.Request(pdu, param);
}
catch (Exception ex)
{
errorMessage = "获取SNMP应答出现错误;" + ex.Message;
target.Close();
return(null);
}
// 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
lastOid = null;
errorMessage = string.Format("SNMP应答数据包中有错误。 Error {0} index {1}", result.Pdu.ErrorStatus, result.Pdu.ErrorIndex);
return(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))
{
if (v.Value.Type == SnmpConstants.SMI_ENDOFMIBVIEW)
{
lastOid = null;
}
else
{
lastOid = v.Oid;
}
resultList.Add(v.Value.ToString());
}
else
{
// we have reached the end of the requested
// MIB tree. Set lastOid to null and exit loop
lastOid = null;
break; // 每个数据包获取5个值，一旦有一个不是这一列的数据，后面的应该都不是了
}
}
}
}
else
{
errorMessage = "指定网管代理未返回有效信息";
return(null);
}
}
target.Close();
errorMessage = "";
return(resultList);
}
/// <summary>
/// Funkcja zwracająca , zaczynając od obiektu o oid podanym w argumencie.
/// </summary>
/// <param name="version"></param>
/// <param name="startOid"></param>
/// <returns></returns>
public Dictionary <String, Dictionary <uint, AsnType> > GetTableRequest(SnmpVersion version, string _startOid)
{
Dictionary <String, Dictionary <uint, AsnType> > resultDictionary = new Dictionary <String, Dictionary <uint, AsnType> >();
//To jest OID tabeli na wejściu funkcji
Oid startOid = new Oid(_startOid);
/*
* // 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>();
*
* //Każda tabela OID ma na końcu .1 dla wpisu OID, trzeba go dodać do tabeli
* startOid.Add(1);
*
* //Przygotowanie PDU do zapytania
* Pdu pdu = new Pdu(PduType.GetNext);
*
* //Dodanie startOid do VarBindList PDU
* pdu.VbList.Add(startOid);
*/
Oid currentOid = (Oid)startOid.Clone();
AgentParameters param = new AgentParameters(
version, new OctetString(snmp.Community));
//Dopoki nie osiagniemy konca tabeli
while (startOid.IsRootOf(currentOid))
{
SnmpPacket result = null;
try
{
result = this.GetNextRequest(SnmpVersion.Ver2, currentOid.ToString(), this.snmp.PeerIP);
}
catch (Exception e)
{
Console.WriteLine("GetTableRequest(): request failed. " + e.Message);
return(null);
}
if (result.Pdu.ErrorStatus != 0)
{
Console.WriteLine("SNMP Agent returned error: " + result.Pdu.ErrorStatus +
" for request with Vb of index: " + result.Pdu.ErrorIndex);
return(null);
}
foreach (Vb v in result.Pdu.VbList)
{
currentOid = (Oid)v.Oid.Clone();
//upewniamy sie ze jestesmy w tabeli
if (startOid.IsRootOf(v.Oid))
{
//Otrzymanie ID childa z OID
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 (resultDictionary.ContainsKey(strInst))
{
resultDictionary[strInst][column] = (AsnType)v.Value.Clone();
}
else
{
resultDictionary[strInst] = new Dictionary <uint, AsnType>();
resultDictionary[strInst][column] = (AsnType)v.Value.Clone();
}
}
else
{
// We've reached the end of the table. No point continuing the loop
break;
}
}
}
return(resultDictionary);
}
static void Main(string[] args)
{
// Delete file if it exists.
if (File.Exists(@".\\SnmpDump.txt"))
{
File.Delete(@".\\SnmpDump.txt");
}
if (args.Length != 3)
{
Console.WriteLine("Syntax: SnmpTable.exe <host> <community> <table oid>");
return;
}
Dictionary <String, Dictionary <uint, AsnType> > result = new Dictionary <String, Dictionary <uint, AsnType> >();
List <uint> tableColumns = new List <uint>();
AgentParameters param = new AgentParameters(SnmpVersion.Ver2, new OctetString(args[1]));
IpAddress peer = new IpAddress(args[0]);
if (!peer.Valid)
{
Console.WriteLine("Unable to resolve name or error in address for peer: {0}", args[0]);
return;
}
UdpTarget target = new UdpTarget((IPAddress)peer);
Oid startOid = new Oid(args[2]);
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("Request failed: {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 returned error {0} for request Vb index {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 (!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
{
break;
}
}
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
{
foreach (uint column in tableColumns)
{
//Console.Write("\tColumn id {0}", column);
}
Console.WriteLine("");
foreach (KeyValuePair <string, Dictionary <uint, AsnType> > kvp in result)
{
//Console.WriteLine("{0}", kvp.Key);
string Entry = "";
foreach (uint column in tableColumns)
{
if (kvp.Value.ContainsKey(column))
{
//Console.WriteLine("\t{0} ({1})", kvp.Value[column].ToString(),SnmpConstants.GetTypeName(kvp.Value[column].Type));
Entry += kvp.Value[column].ToString() + ";";
}
else
{
Console.Write("\t-");
}
}
using (StreamWriter sw = File.AppendText(path))
{
Console.WriteLine(Entry);
sw.WriteLine(Entry);
}
}
}
}
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";
}
}
private void GetTable(String host, AgentParameters param, String tableOID, DataGridView table)
{
table.Rows.Clear();
table.Refresh();
Dictionary <String, Dictionary <uint, AsnType> > result = new Dictionary <String, Dictionary <uint, AsnType> >();
List <uint> tableColumns = new List <uint>();
List <string> tableRows = new List <string>();
IpAddress peer = new IpAddress(host);
if (!peer.Valid)
{
MessageBox.Show("Unable to resolve name or error in address for peer: {0}", host);
return;
}
UdpTarget target = new UdpTarget((IPAddress)peer);
Oid startOid = new Oid(tableOID);
startOid.Add(1);
Pdu nextPdu = Pdu.GetNextPdu();
nextPdu.VbList.Add(startOid);
Oid curOid = (Oid)startOid.Clone();
List <string> colNames = new List <string>();
string searchOid = "." + startOid.ToString();
foreach (KeyValuePair <string, string> kvp in Program.MIbsList)
{
if (kvp.Value.Contains(searchOid) && !kvp.Value.Equals(searchOid))
{
colNames.Add(kvp.Key);
}
}
while (startOid.IsRootOf(curOid))
{
SnmpPacket res = null;
try
{
res = target.Request(nextPdu, param);
}
catch (Exception e)
{
MessageBox.Show("Request failed: {0}", e.Message);
target.Close();
return;
}
if (res.Pdu.ErrorStatus != 0)
{
MessageBox.Show("SNMP agent returned error " + res.Pdu.ErrorStatus + " for request Vb index " + 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 (!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
{
break;
}
}
if (startOid.IsRootOf(curOid))
{
nextPdu.VbList.Clear();
nextPdu.VbList.Add(curOid);
}
}
target.Close();
if (result.Count <= 0)
{
MessageBox.Show("No results returned.");
}
else
{
table.ColumnCount = tableColumns.Count + 1;
table.Columns[0].Name = "Instance";
for (int i = 0; i < tableColumns.Count; i++)
{
//table.Columns[i + 1].Name = "Column id " + tableColumns[i];
table.Columns[i + 1].Name = colNames[i];
}
foreach (KeyValuePair <string, Dictionary <uint, AsnType> > kvp in result)
{
tableRows.Add(kvp.Key);
foreach (uint column in tableColumns)
{
if (kvp.Value.ContainsKey(column))
{
tableRows.Add(kvp.Value[column].ToString());
}
else
{
tableRows.Add("");
}
}
table.Rows.Add(tableRows.ToArray());
tableRows.Clear();
}
}
}
public static void Check(CredentialsSnmp credentials)
{
// Populate the List of OID's to Get
var asnItems = new Dictionary <string, SnmpAsnItem>
{
{ BaseOid + "1.1.2.4.0", new SnmpAsnItem("Software Version") },
{ BaseOid + "1.1.2.1.0", new SnmpAsnItem("Firmware Version") },
{ BaseOid + "1.1.1.1.0", new SnmpAsnItem("Model") },
{ BaseOid + "1.2.1.3.0", new SnmpAsnItem("Battery Replacement Date") },
{ BaseOid + "1.7.2.4.0", new SnmpAsnItem("Battery Test Date") },
{ BaseOid + "1.7.2.3.0", new SnmpAsnItem("Battery Test Result") },
{ BaseOid + "1.7.2.8.0", new SnmpAsnItem("Battery Calibration Date") },
{ BaseOid + "1.7.2.7.0", new SnmpAsnItem("Battery Calibration Result") },
{ BaseOid + "4.3.1.0", new SnmpAsnItem("Humidity") },
{ BaseOid + "4.2.1.0", new SnmpAsnItem("Temperature") },
{ BaseOid + "1.1.2.3.0", new SnmpAsnItem("Serial Number") }
};
var asnItemsLookup = new Dictionary <string, Vb>();
// SNMP Query
var snmpCommunity = new OctetString(credentials.Community);
var agentParams = new AgentParameters(snmpCommunity)
{
Version = SnmpVersion.Ver1
};
var agent = new IpAddress(credentials.Host);
var target = new UdpTarget((IPAddress)agent, Port, 2000, 1);
var pdu = new Pdu(PduType.Get);
foreach (var item in asnItems)
{
pdu.VbList.Add(item.Key);
}
var result = new SnmpV1Packet();
try
{
result = (SnmpV1Packet)target.Request(pdu, agentParams);
}
catch (Exception ex)
{
if (ex.Message == "Request has reached maximum retries.")
{
Error.WriteOutput("SNMP Request to " + credentials.Host + " with community " + credentials.Community + " has exceeded the maximum number of retries.");
return;
}
}
if (result != null)
{
// Populate Results
foreach (var item in result.Pdu.VbList)
{
if (asnItems.ContainsKey(item.Oid.ToString()))
{
asnItems[item.Oid.ToString()].Vb = item;
}
}
// Build Reverse Lookup Dictionary
foreach (var item in asnItems)
{
asnItemsLookup.Add(item.Value.Description, item.Value.Vb);
}
var output = new Result();
var model = asnItemsLookup["Model"].Value.ToString();
var message = "CyberPower " + model;
if (!string.IsNullOrEmpty(asnItemsLookup["Serial Number"].Value.ToString()))
{
message += " SN " + asnItemsLookup["Serial Number"].Value;
}
message += " (SW v" + asnItemsLookup["Software Version"].Value;
message += " / FW v" + asnItemsLookup["Firmware Version"].Value + ")";
Channel channel;
// Humidity
var tempStr = asnItemsLookup["Humidity"].Value.ToString();
if (!string.IsNullOrEmpty(tempStr))
{
if (tempStr != "Null")
{
channel = new Channel
{
Description = "Humidity",
Unit = Unit.Percent,
Value = asnItemsLookup["Humidity"].Value.ToString()
};
output.Channels.Add(channel);
}
}
// Temperature
tempStr = asnItemsLookup["Temperature"].Value.ToString();
if (!string.IsNullOrEmpty(tempStr))
{
if (tempStr != "Null")
{
var temp = Convert.ToInt32(tempStr) / 10;
temp = (temp - 32) * 5 / 9; // (°F − 32) × 5/9 = °C
channel = new Channel
{
Description = "Temperature",
Unit = Unit.Temperature,
Value = temp.ToString()
};
output.Channels.Add(channel);
}
}
// Battery Test Result
var batteryTestResult = asnItemsLookup["Battery Test Result"].Value.ToString().Trim();
var batteryTestWarning = "0";
if (batteryTestResult != "1")
{
batteryTestResult = "FAILURE";
batteryTestWarning = "1";
}
channel = new Channel
{
Description = "Battery Test Result",
Unit = Unit.Custom,
CustomUnit = "Result",
Value = batteryTestResult,
Warning = batteryTestWarning
};
output.Channels.Add(channel);
// Battery Calibration Result
var batteryCalibrationResult = asnItemsLookup["Battery Calibration Result"].Value.ToString().Trim();
var batteryCalibrationWarning = "0";
if (batteryCalibrationResult != "1")
{
batteryCalibrationResult = "FAILURE";
batteryCalibrationWarning = "1";
}
channel = new Channel
{
Description = "Battery Calibration Result",
Unit = Unit.Custom,
CustomUnit = "Result",
Value = batteryCalibrationResult,
Warning = batteryCalibrationWarning
};
output.Channels.Add(channel);
// Battery Test Date
DateTime batteryTestDate;
var batteryTestDateStr = CheckDateTimeFormat(asnItemsLookup["Battery Test Date"].Value.ToString(), model);
if (string.IsNullOrEmpty(batteryTestDateStr) || batteryTestDateStr.ToLower() == "null")
{
batteryTestDate = new DateTime(2010, 01, 01);
}
#if OLDCODE
else
{
if (model == "OL1500ERTXL2U")
{
batteryTestDate = DateTime.ParseExact(batteryTestDateStr, "MM/dd/yyyy", CultureInfo.InvariantCulture);
}
else
{
batteryTestDate = DateTime.Parse(batteryTestDateStr);
}
}
#else
else
{
batteryTestDate = DateTime.Parse(batteryTestDateStr);
}
#endif
var daysSinceBatteryTest = Convert.ToInt16((DateTime.Now - batteryTestDate).TotalDays);
channel = new Channel
{
Description = "Days Since Battery Test",
Unit = Unit.Custom,
CustomUnit = "Days",
LimitErrorMessage = "Battery Test Overdue",
LimitWarningMessage = "Battery Test Required",
LimitMaxWarning = BatteryTestWarningDays.ToString(),
LimitMaxError = BatteryTestErrorDays.ToString(),
LimitMode = "1",
Value = daysSinceBatteryTest.ToString()
};
output.Channels.Add(channel);
// Battery Calibration Date
DateTime batteryCalibrationDate;
var batteryCalibrationCalibration = CheckDateTimeFormat(asnItemsLookup["Battery Calibration Date"].Value.ToString(), model);
if (string.IsNullOrEmpty(batteryCalibrationCalibration) || batteryCalibrationCalibration.ToLower() == "null")
{
batteryCalibrationDate = new DateTime(2010, 01, 01);
}
else
{
batteryCalibrationDate = DateTime.Parse(batteryCalibrationCalibration);
}
var daysSinceBatteryCalibration = Convert.ToInt16((DateTime.Now - batteryCalibrationDate).TotalDays);
channel = new Channel
{
Description = "Days Since Battery Calibration",
Unit = Unit.Custom,
CustomUnit = "Days",
LimitErrorMessage = "Battery Calibration Overdue",
LimitWarningMessage = "Battery Calibration Required",
LimitMaxWarning = BatteryCalibrationWarningDays.ToString(),
LimitMaxError = BatteryCalibrationErrorDays.ToString(),
LimitMode = "1",
Value = daysSinceBatteryCalibration.ToString()
};
output.Channels.Add(channel);
output.Text = message;
output.WriteOutput();
}
private Dictionary <string, string> GetSnmpInfo(string ipAddress, IEnumerable <string> oids)
{
//results will be <OID,SNMP Call Result>
Dictionary <string, string> results = new Dictionary <string, string>();
/********** Heavily Modified code from the SnmpSharpNet webpage **********/
/********** http://www.snmpsharpnet.com/?page_id=111 **********/
// 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 agent = new IpAddress(ipAddress);
// Construct target
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
// Pdu class used for all requests
Pdu pdu = new Pdu(PduType.Get);
//Add list of all relevant OIDs
foreach (string key in oids)
{
pdu.VbList.Add(key);
}
// 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)
{
//Close the connection since we're going to throw an exception.
target.Close();
// agent reported an error with the request
string msg = $"OID {oids.ElementAt(result.Pdu.ErrorIndex)} "
+ "has exited with error status "
+ $"{ result.Pdu.ErrorStatus}: {Enum.GetName(typeof(PduErrorStatus), result.Pdu.ErrorStatus)}";
throw new ImproperOidsException(msg);
}
else
{
//Print all information we gleaned from inspecting the UPS
IEnumerator <Vb> EnumeratedResults = result.Pdu.GetEnumerator();
do
{
if (EnumeratedResults.Current == null)
{
continue;
}
//Console.WriteLine($"{UPS.Oids[EnumeratedResults.Current.Oid.ToString()],30}: {EnumeratedResults.Current.Value.ToString(),-30}");
results.Add(EnumeratedResults.Current.Oid.ToString(), EnumeratedResults.Current.Value.ToString());
} while (EnumeratedResults.MoveNext());
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
}
target.Close();
return(results);
/******** END Credited Code ********/
}
private KeyValuePair <string, string> GetSnmpResultForOid(string ipAddress, string oid)
{
//results will be <OID,SNMP Call Result>
Dictionary <string, string> results = new Dictionary <string, string>();
/********** Heavily Modified code from the SnmpSharpNet webpage **********/
/********** http://www.snmpsharpnet.com/?page_id=111 **********/
// 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 agent = new IpAddress(ipAddress);
// 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(oid);
// 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)
{
//Close the connection since we're going to throw an exception.
target.Close();
// agent reported an error with the request
string msg = $"OID {oid} "
+ "has exited with error status "
+ $"{ result.Pdu.ErrorStatus}: {Enum.GetName(typeof(PduErrorStatus), result.Pdu.ErrorStatus)}";
throw new ImproperOidsException(msg);
}
else
{
results.Add(oid, result.Pdu.VbList[0].Value.ToString());
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
}
target.Close();
return(results.Count > 0 ? new KeyValuePair <string, string>(oid, results[oid].ToString()) : new KeyValuePair <string, string>("", ""));
/******** END Credited Code ********/
}
public void Initialize(Manager agents, AgentParameters stats)
{
Group = agents;
Parameters = stats;
}
// Network Discovery Info
//// hardware master information
//List<Hw_MasterInfoDTO> LstHw_MasterInfoDTO = new List<Hw_MasterInfoDTO>();
//Hw_MasterInfoResponse oHw_MasterInfoResponse = new Hw_MasterInfoResponse();
//Hw_MasterInfoDataAccess oHw_MasterInfoDataAccess = new Hw_MasterInfoDataAccess();
#region SNMP Operations
/// <summary>
/// this method will pick basic information of switch
/// throug SNMP and OIDs on the basis of IP Address and community
///
/// </summary>
public string SNMPGetRequest(string OctCommunity, string IpAddress)
{
List <Hw_MasterInfoDTO> LstHw_MasterInfoDTO = new List <Hw_MasterInfoDTO>();
var oHw_MasterInfoResponse = new Hw_MasterInfoResponse();
Hw_MasterInfoDataAccess oHw_MasterInfoDataAccess = new Hw_MasterInfoDataAccess();
string lstResults = "";
try
{
// SNMP community name
OctetString community = new OctetString(OctCommunity);
// 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(IpAddress);
//IpAddress agent = new IpAddress("65.154.4.21");
// 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("1.3.6.1.2.1.1.1.0"); //sysDescr
pdu.VbList.Add("1.3.6.1.2.1.1.2.0"); //sysObjectID
pdu.VbList.Add("1.3.6.1.2.1.1.3.0"); //sysUpTime
pdu.VbList.Add("1.3.6.1.2.1.1.4.0"); //sysContact
pdu.VbList.Add("1.3.6.1.2.1.1.5.0"); //sysName
//
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.12");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.13");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.14");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.15");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.16");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.17");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.18");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.19");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.20");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.21");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.22");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.23");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.24");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.25");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.26");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.27");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.28");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.29");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.1");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.2");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.3");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.4");
pdu.VbList.Add("1.3.6.1.2.1.2.2.1.2.5");
//
// Make SNMP request
SnmpV1Packet result = (SnmpV1Packet)target.Request(pdu, param);
Hw_MasterInfoDTO objHw_Info;
// 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
{
objHw_Info = new Hw_MasterInfoDTO();
objHw_Info.IPAddress = IpAddress;
objHw_Info.HwTypeId = 7; // Switch TODO: it will be fetched from DataBase's table hardware type.
objHw_Info.Description = result.Pdu.VbList[0].Value.ToString();
objHw_Info.HwName = result.Pdu.VbList[4].Value.ToString();
objHw_Info.DevType = "Machines";
objHw_Info.DevCategory = "IOS";
objHw_Info.ComType = "Cisco IOS Software";
objHw_Info.StatusId = 2; // // Start 1, Running 2, Completed 3, Stop 4, Exception 5... Status 3 is used for Complete Running Probe
objHw_Info.MacAddress = ""; //TODO: will be fetched from Switch
LstHw_MasterInfoDTO.Add(objHw_Info);
if (LstHw_MasterInfoDTO.Count > 0)
{
// ProbeDBEntities _Db = new ProbeDBEntities();
oHw_MasterInfoResponse = oHw_MasterInfoDataAccess.Hw_MasterInfo_InsertData(LstHw_MasterInfoDTO); // By Umar
}
// Reply variables are returned in the same order as they were added
// to the VbList
lstResults = "System Description :" + result.Pdu.VbList[0].Value.ToString() + "\n";
Console.WriteLine("sysDescr({0}) ({1}): {2}",
result.Pdu.VbList[0].Oid.ToString(),
SnmpConstants.GetTypeName(result.Pdu.VbList[0].Value.Type),
result.Pdu.VbList[0].Value.ToString());
lstResults = lstResults + "System Object ID: " + result.Pdu.VbList[1].Value.ToString() + "\n";
Console.WriteLine("sysObjectID({0}) ({1}): {2}",
result.Pdu.VbList[1].Oid.ToString(),
SnmpConstants.GetTypeName(result.Pdu.VbList[1].Value.Type),
result.Pdu.VbList[1].Value.ToString());
lstResults = lstResults + "System Up Time: " + result.Pdu.VbList[2].Value.ToString() + "\n";
Console.WriteLine("sysUpTime({0}) ({1}): {2}",
result.Pdu.VbList[2].Oid.ToString(),
SnmpConstants.GetTypeName(result.Pdu.VbList[2].Value.Type),
result.Pdu.VbList[2].Value.ToString());
lstResults = lstResults + "System Conatct: " + result.Pdu.VbList[3].Value.ToString() + "\n";
Console.WriteLine("sysContact({0}) ({1}): {2}",
result.Pdu.VbList[3].Oid.ToString(),
SnmpConstants.GetTypeName(result.Pdu.VbList[3].Value.Type),
result.Pdu.VbList[3].Value.ToString());
lstResults = lstResults + "System Name: " + result.Pdu.VbList[4].Value.ToString() + "\n";
Console.WriteLine("sysName({0}) ({1}): {2}",
result.Pdu.VbList[4].Oid.ToString(),
SnmpConstants.GetTypeName(result.Pdu.VbList[4].Value.Type),
result.Pdu.VbList[4].Value.ToString());
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
lstResults = "No response received from SNMP agent.";
}
target.Close();
}
catch (Exception ex)
{
lstResults = "Code Breaks :" + ex.Message;
return(lstResults);
}
//WriteTextFile.WriteErrorLog("============================ SWITCH Information ====================================");
// WriteTextFile.WriteErrorLog(lstResults);
// WriteTextFile.WriteErrorLog("============================ SWITCH Information ====================================");
return(lstResults);
}
private void ConstructListByIP(IpAddress agentIP, string equipName)
{
if (string.IsNullOrEmpty(equipName))
{
try
{
equipName = App.idAndEquipList[App.ipAndIPinfoList[agentIP.ToString()].EquipIndex].Name;
}
catch { }
}
ocInterfaces.Clear();
OctetString community = new OctetString(App.snmpCommunity);
AgentParameters param = new AgentParameters(community);
param.DisableReplySourceCheck = !App.snmpCheckSrcFlag;
// Set SNMP version to 2 (GET-BULK only works with SNMP ver 2 and 3)
param.Version = SnmpVersion.Ver2;
// Construct target
UdpTarget target = new UdpTarget((IPAddress)agentIP, App.snmpPort, App.snmpTimeout, App.snmpRetry);
// Define Oid that is the root of the MIB
// tree you wish to retrieve
Oid rootOid = new Oid("1.3.6.1.2.1.2.2.1.1"); // ifIndex
// 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 = null;
try
{
result = (SnmpV2Packet)target.Request(pdu, param);
}
catch (Exception ex)
{
MessageBox.Show("获取SNMP应答出现错误\n" + ex.Message);
target.Close();
return;
}
// 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
MessageBox.Show(string.Format("SNMP应答数据包中有错误。 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))
{
if (v.Value.Type == SnmpConstants.SMI_ENDOFMIBVIEW)
{
lastOid = null;
}
else
{
lastOid = v.Oid;
}
Integer32 f = v.Value as Integer32;
Interface intf = new Interface(agentIP);
intf.EquipName = equipName;
//intf.TimerInteral = double.Parse(cbbTimerInterval.Text);
ocInterfaces.Add(f, intf);
}
else
{
// we have reached the end of the requested
// MIB tree. Set lastOid to null and exit loop
lastOid = null;
break; // 每个数据包获取5个值，一旦有一个不是这一列的数据，后面的应该都不是了
}
}
}
}
else
{
MessageBox.Show("指定网管代理未返回有效信息");
}
}
target.Close();
string errorMessage;
foreach (Integer32 i in ocInterfaces.Keys)
{
string strOid = "1.3.6.1.2.1.2.2.1.2." + i.ToString();
VbCollection vbc = SnmpHelper.GetResultsFromOids(agentIP, new string[] { strOid }, out errorMessage);
ocInterfaces[i].Descr = vbc[0].Value.ToString();
ocInterfaces[i].IfIndex = i;
}
}
static void Main(string[] args)
{
// SNMP community name
OctetString community = new OctetString("abcBolinhas");
// 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("127.0.0.1");
// 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("1.3.6.1.2.1.1.1.0"); //sysDescr
pdu.VbList.Add("1.3.6.1.2.1.1.2.0"); //sysObjectID
pdu.VbList.Add("1.3.6.1.2.1.1.3.0"); //sysUpTime
pdu.VbList.Add("1.3.6.1.2.1.1.4.0"); //sysContact
pdu.VbList.Add("1.3.6.1.2.1.1.5.0"); //sysName
// 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
Console.WriteLine("sysDescr({0}) ({1}): {2}",
result.Pdu.VbList[0].Oid.ToString(),
SnmpConstants.GetTypeName(result.Pdu.VbList[0].Value.Type),
result.Pdu.VbList[0].Value.ToString());
Console.WriteLine("sysObjectID({0}) ({1}): {2}",
result.Pdu.VbList[1].Oid.ToString(),
SnmpConstants.GetTypeName(result.Pdu.VbList[1].Value.Type),
result.Pdu.VbList[1].Value.ToString());
Console.WriteLine("sysUpTime({0}) ({1}): {2}",
result.Pdu.VbList[2].Oid.ToString(),
SnmpConstants.GetTypeName(result.Pdu.VbList[2].Value.Type),
result.Pdu.VbList[2].Value.ToString());
Console.WriteLine("sysContact({0}) ({1}): {2}",
result.Pdu.VbList[3].Oid.ToString(),
SnmpConstants.GetTypeName(result.Pdu.VbList[3].Value.Type),
result.Pdu.VbList[3].Value.ToString());
Console.WriteLine("sysName({0}) ({1}): {2}",
result.Pdu.VbList[4].Oid.ToString(),
SnmpConstants.GetTypeName(result.Pdu.VbList[4].Value.Type),
result.Pdu.VbList[4].Value.ToString());
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
}
target.Close();
}
public List <WalkTowerDevice> WalkSendReturn(string IP, int Port, string Version, string communityRead, List <WalkTowerDevice> walkList, string towerName, string DeviceName, int deviceID)
{
string walkTimeOutOID = "";
using (IDbConnection connection = new SqlConnection(ConfigurationManager.ConnectionStrings["DeviceConnection"].ConnectionString))
{
var mibInf = connection.Query <MibTreeInformation>("Select * From [TreeInformation]").ToList();
OctetString community = new OctetString(communityRead);
AgentParameters param = new AgentParameters(community);
if (Version == "V1")
{
param.Version = SnmpVersion.Ver1;
}
if (Version == "V2")
{
param.Version = SnmpVersion.Ver2;
}
IpAddress agent = new IpAddress(IP);
UdpTarget target = new UdpTarget((IPAddress)agent, Port, 2000, 1);
Oid rootOid = new Oid(".1.3.6.1");
Oid lastOid = (Oid)rootOid.Clone();
Pdu pdu = new Pdu(PduType.GetNext);
while (lastOid != null)
{
try
{
if (pdu.RequestId != 0)
{
pdu.RequestId += 1;
}
pdu.VbList.Clear();
pdu.VbList.Add(lastOid);
if (walkTimeOutOID == lastOid.ToString())
{
WalkTimeOunt++;
}
if (WalkTimeOunt <= 10)
{
walkTimeOutOID = lastOid.ToString();
}
else
{
return(walkList);
}
if (Version == "V1")
{
result = (SnmpV1Packet)target.Request(pdu, param);
}
if (Version == "V2")
{
result = (SnmpV2Packet)target.Request(pdu, param);
}
if (result != null)
{
if (result.Pdu.ErrorStatus != 0)
{
lastOid = null;
break;
}
else
{
foreach (Vb v in result.Pdu.VbList)
{
if (rootOid.IsRootOf(v.Oid))
{
WalkTowerDevice walk = new WalkTowerDevice();
ID++;
walk.ID = ID;
walk.WalkID = ID;
string oid = v.Oid.ToString();
var OidMibdescription = mibInf.Where(m => m.OID == oid).FirstOrDefault();
if (OidMibdescription == null)
{
oid = oid.Remove(oid.Length - 1);
oid = oid.Remove(oid.Length - 1);
OidMibdescription = mibInf.Where(o => o.OID == oid).FirstOrDefault();
}
if (OidMibdescription == null)
{
oid = oid.Remove(oid.Length - 1);
oid = oid.Remove(oid.Length - 1);
OidMibdescription = mibInf.Where(o => o.OID == oid).FirstOrDefault();
if (OidMibdescription != null)
{
walk.WalkDescription = OidMibdescription.Description;
}
}
else
{
walk.WalkDescription = OidMibdescription.Description;
}
if (OidMibdescription != null)
{
walk.WalkDescription = OidMibdescription.Description;
}
else
{
walk.WalkDescription = "Is Not Description";
}
walk.WalkOID = v.Oid.ToString();
var oidname = mibInf.Where(o => o.OID == oid).FirstOrDefault();
if (oidname != null)
{
walk.OIDName = oidname.Name;
}
else
{
walk.OIDName = "Is Not Name";
}
walk.Type = v.Value.ToString();
walk.Value = SnmpConstants.GetTypeName(v.Value.Type);
walk.ScanInterval = 60;
walk.DeviceName = DeviceName;
walk.TowerName = towerName;
walk.DeviceID = deviceID;
walk.IP = IP;
walk.Version = Version;
//walk.StartCorrect = "0";
//walk.EndCorrect = "0";
//walk.OneStartError = "0";
//walk.OneEndError = "0";
//walk.OneStartCrash = "0";
//walk.OneEndCrash = "0";
//walk.TwoStartError = "0";
//walk.TwoEndError = "0";
//walk.TwoStartCrash = "0";
//walk.TwoEndCrash = "0";
walkList.Add(walk);
lastOid = v.Oid;
}
else
{
lastOid = null;
}
}
}
}
}
catch (Exception e) { }
}
target.Close();
}
return(walkList);
}
private int getSNMPParam(string ipAddr, SnmpSharpNet.Oid oid_needed)
{
try
{
OctetString community = new OctetString("public");
AgentParameters param = new AgentParameters(community);
param.Version = SnmpVersion.Ver2;
IpAddress agent = new IpAddress(ipAddr);
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
Oid rootOid = new Oid(oid_needed);
Oid lastOid = (Oid)rootOid.Clone();
Pdu pdu = new Pdu(PduType.GetBulk);
pdu.NonRepeaters = 0;
pdu.MaxRepetitions = 5;
while (lastOid != null)
{
if (pdu.RequestId != 0)
{
pdu.RequestId += 1;
}
pdu.VbList.Clear();
pdu.VbList.Add(lastOid);
try
{
SnmpV2Packet result = (SnmpV2Packet)target.Request(pdu, param);
if (result != null)
{
if (result.Pdu.ErrorStatus != 0)
{
throw new NullReferenceException();
}
else
{
foreach (Vb v in result.Pdu.VbList)
{
if (rootOid.IsRootOf(v.Oid))
{
if (v.Value.Type == SnmpConstants.SMI_ENDOFMIBVIEW)
{
lastOid = null;
}
else
{
lastOid = v.Oid;
}
target.Close();
return(Convert.ToInt32(v.Value));
}
else
{
lastOid = null;
}
}
}
}
else
{
throw new NullReferenceException();
}
}
catch (NullReferenceException)
{
}
}
target.Close();
return(0);
}
catch (Exception)
{
return(0);
}
}
public bool BulkWalkTest(string strHost, string strCommunity, string[] strOids)
{
// SNMP community name
OctetString community = new OctetString(strCommunity);
// 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(strHost);
bool returnValue = false;
// Construct target
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
try
{
foreach (string strOid in strOids)
{
// Define Oid that is the root of the MIB
// tree you wish to retrieve
Oid rootOid = new Oid(strOid); // 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
string errorMsg = string.Format("Error in SNMP reply. Error {0} index {1}",
result.Pdu.ErrorStatus,
result.Pdu.ErrorIndex);
throw new Exception(errorMsg);
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());
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.");
throw new Exception("No response received from SNMP agent.");
}
}
}
returnValue = true;
}
catch (Exception ex)
{
returnValue = false;
}
finally
{
target.Close();
}
return(returnValue);
}
public static SnmpPacket getNextRequest(string OID, string host, UdpTarget target, AgentParameters param)
{
Pdu pdu = new Pdu(PduType.GetNext);
pdu.VbList.Add(OID);
SnmpPacket result = (SnmpPacket)target.Request(pdu, param);
return(result);
}
static int SNMPGet(string mac, string ip)
{
// 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.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(ip);
UdpTarget target = new UdpTarget((IPAddress)agent, 161, 2000, 1);
Oid rootOid = new Oid(".1.3.6.1.2.1.17.7.1.2.2.1.2.1"); // dot1qTpFdbPort, .iso.org.dod.internet.mgmt.mib-2.dot1dBridge.qBridgeMIB.qBridgeMIBObjects.dot1qTp.dot1qTpFdbTable.dot1qTpFdbEntry.dot1qTpFdbPort
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
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());
*/
if (v.Oid.ToString().EndsWith(mac))
{
target.Close();
return(Convert.ToInt32(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();
return(-1);
}
static Dictionary <string, string> WalkJob(string host, string oid)
{
Dictionary <string, string> values = new Dictionary <string, string>();
// SNMP community name
try
{
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(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); // 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))
{
//Debug.WriteLine("{0} ({1}): {2}",
// v.Oid.ToString(),
// SnmpConstants.GetTypeName(v.Value.Type),
// v.Value.ToString());
values.Add(v.Oid.ToString(), 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();
}
catch (Exception ex)
{
Debug.WriteLine(ex.StackTrace);
}
return(values);
}
private void GetResponse()
{
connection = new Connection(IpAddress, Port, SnmpVersion, Community, Retries, Timeout);
// SNMP community name
OctetString community = new OctetString("abcBolinhas");
// Define agent parameters class
AgentParameters param = new AgentParameters(community);
// Set SNMP version to 1 (or 2)
param.Version = SnmpSharpNet.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("127.0.0.1");
// 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("1.3.6.1.2.1.1.1.0"); //sysDescr
pdu.VbList.Add("1.3.6.1.2.1.1.2.0"); //sysObjectID
pdu.VbList.Add("1.3.6.1.2.1.1.3.0"); //sysUpTime
pdu.VbList.Add("1.3.6.1.2.1.1.4.0"); //sysContact
pdu.VbList.Add("1.3.6.1.2.1.1.5.0"); //sysName
// Make SNMP request
SnmpV2Packet result = (SnmpV2Packet)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
MessageBox.Show("Error in SNMP reply. Error {0} index {1}", Convert.ToString(result.Pdu.ErrorStatus), MessageBoxButtons.OK);
}
else
{
// Reply variables are returned in the same order as they were added
// to the VbList
equipment = new Equipment();
equipment.Description = "oid(" + result.Pdu.VbList[0].Oid.ToString() + ")" +
" " + result.Pdu.VbList[0].Value.ToString();
equipment.Contact = "oid(" + result.Pdu.VbList[3].Oid.ToString() + ")" +
" " + result.Pdu.VbList[3].Value.ToString();
equipment.Name = "oid(" + result.Pdu.VbList[4].Oid.ToString() + ")" +
" " + result.Pdu.VbList[4].Value.ToString();
equipment.Location = "oid(" + result.Pdu.VbList[1].Oid.ToString() + ")" +
" " + result.Pdu.VbList[1].Value.ToString();
equipment.UpTime = "oid(" + result.Pdu.VbList[2].Oid.ToString() + ")" +
" " + result.Pdu.VbList[2].Value.ToString();
UpdateFields();
}
}
else
{
MessageBox.Show("No response received from SNMP agent.", "Fail", MessageBoxButtons.OK);
}
}
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 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("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.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());
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();
}
private static Bandwidth GetBandwidth(string Site, string IP)
{
try
{
var community = new OctetString("public");
var param = new AgentParameters(community)
{
Version = SnmpVersion.Ver1
};
var agent = new IpAddress(IP);
using (var target = new UdpTarget((IPAddress)agent, 161, 2000, 1))
{
var pdu = new Pdu(PduType.Get);
pdu.VbList.Add(".1.3.6.1.2.1.2.2.1.5.1");
pdu.VbList.Add(".1.3.6.1.2.1.2.2.1.10.1");
pdu.VbList.Add(".1.3.6.1.2.1.2.2.1.16.1");
pdu.VbList.Add(".1.3.6.1.2.1.2.2.1.5.2");
pdu.VbList.Add(".1.3.6.1.2.1.2.2.1.10.2");
pdu.VbList.Add(".1.3.6.1.2.1.2.2.1.16.2");
pdu.VbList.Add(".1.3.6.1.2.1.2.2.1.5.3");
pdu.VbList.Add(".1.3.6.1.2.1.2.2.1.10.3");
pdu.VbList.Add(".1.3.6.1.2.1.2.2.1.16.3");
var result = (SnmpV1Packet)target.Request(pdu, param);
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
{
var bw = new Bandwidth
{
Id = Guid.NewGuid(),
DeviceIPAddress = IP,
Site = Site,
Timestamp = DateTime.Now,
X0Speed = Convert.ToDouble(result.Pdu.VbList[0].Value.ToString()),
X0Ingress = Convert.ToDouble(result.Pdu.VbList[1].Value.ToString()),
X0Egress = Convert.ToDouble(result.Pdu.VbList[2].Value.ToString()),
X1Speed = Convert.ToDouble(result.Pdu.VbList[3].Value.ToString()),
X1Ingress = Convert.ToDouble(result.Pdu.VbList[4].Value.ToString()),
X1Egress = Convert.ToDouble(result.Pdu.VbList[5].Value.ToString()),
X2Speed = Convert.ToDouble(result.Pdu.VbList[6].Value.ToString()),
X2Ingress = Convert.ToDouble(result.Pdu.VbList[7].Value.ToString()),
X2Egress = Convert.ToDouble(result.Pdu.VbList[8].Value.ToString())
};
return(bw);
}
}
else
{
Console.WriteLine("No response received from SNMP agent.");
}
target.Close();
return(null);
}
}
catch (Exception e) { Console.WriteLine(e); return(null); }
}
