private void SNMP_GET_BULK()
{
string adres = addressBox.Text;
GetBulkRequestMessage message = new GetBulkRequestMessage(0,
VersionCode.V2,
new OctetString("public"),
0,
10,
new List <Variable> {
new Variable(new ObjectIdentifier(adres))
});
ISnmpMessage response = message.GetResponse(60000, new IPEndPoint(IPAddress.Parse("127.0.0.1"), 161));
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
throw new Exception();
}
var result = response.Pdu().Variables;
foreach (var v in result)
{
consoleBox.Items.Add(v.ToString());
}
}
protected override void ProcessRecord()
{
Dictionary <string, string> results = new Dictionary <string, string>();
try
{
var request = new GetBulkRequestMessage(0, VersionCode.V2, _community, 0, 5, _vList);
var iPEndPoint = new IPEndPoint(IPAddress.Parse(Ip), 161);
var reply = request.GetResponse(_timeOut, iPEndPoint);
var variables = reply.Pdu().Variables;
foreach (Variable variable in variables)
{
var key = GetOidDescription(variable.Id.ToString());
var data = ConvertVariableData(variable.Data);
if (data.Length > 0 && !results.ContainsKey(key))
{
results.Add(key, data);
}
}
WriteObject(results);
}
catch (Exception e)
{
WriteWarning($"Could not complete the request: {e.Message}");
}
}
/// <summary>
/// Get Bulk SNMP
/// </summary>
/// <param name="inputoid"></param>
/// <returns></returns>
public static List <Variable> BulkSNMP(string inputoid, string address, int port, string community)
{
List <Variable> retlist = new List <Variable>();
try
{
GetBulkRequestMessage message = new GetBulkRequestMessage(0,
VersionCode.V2,
new OctetString(community),
0,
10,
new List <Variable> {
new Variable(new ObjectIdentifier(inputoid))
});
ISnmpMessage response = message.GetResponse(60000, new IPEndPoint(IPAddress.Parse(address), port));
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
throw ErrorException.Create(
"error in response",
IPAddress.Parse(address),
response);
}
retlist = response.Pdu().Variables.ToList();
}
catch (Exception)
{
}
return(retlist);
}
public IList <Variable> GetBulk(int maxRepetitions)
{
GetBulkRequestMessage message = new GetBulkRequestMessage(0, SnmpVersion, Community, 0, maxRepetitions, Oids);
Oids = new List <Variable>();
ISnmpMessage result = message.GetResponse(Timeout, Ip);
return(result.Variables());
}
public async Task <IList <Variable> > GetBulk(int maxRepetitions)
{
ISnmpMessage result = null;
GetBulkRequestMessage message = new GetBulkRequestMessage(0, SnmpVersion, Community, 0, maxRepetitions, Oids);
Oids = new List <Variable>();
result = await message.GetResponseAsync(Ip);
return(result.Variables());
}
private List <Variable> GetBulk(List <Variable> vList)
{
GetBulkRequestMessage message = new GetBulkRequestMessage(0,
version,
new OctetString(community),
nonRepeaters,
maxRepetitions, vList);
List <Variable> RsltList = new List <Variable>();;
try
{
response = message.GetResponse(5000, receiver);
}
catch (Exception e)
{
strError = "Error Retrieving Property";
return(null);
}
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
strError = "Error Retrieving Property";
return(null);
}
else
{
foreach (Variable variable in response.Pdu().Variables)
{
RsltList.Add(variable);
}
// RsltList = List<Variable>(response.Pdu().Variables);
}
return(RsltList);
}
public void SnmpGetBulk(string community, string ipAddress, string oidKey)
{
GetBulkRequestMessage message = new GetBulkRequestMessage(0,
VersionCode.V2,
new OctetString(community),
0,
10,
new List <Variable> {
new Variable(new ObjectIdentifier(oidKey))
});
ISnmpMessage response = message.GetResponse(6000, new IPEndPoint(IPAddress.Parse(ipAddress), 161));
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
throw ErrorException.Create(
"Error in response!",
IPAddress.Parse(ipAddress),
response);
}
var result = response.Pdu().Variables;
variableList = result.ToList();
}
//----------------------------------------------------------------------------
//SNMPGETBULK
public void SnmpGetBulk(string oidKey)
{
GetBulkRequestMessage message = new GetBulkRequestMessage(0,
VersionCode.V2,
community,
0,
10,
new List <Variable> {
new Variable(new ObjectIdentifier(oidKey))
});
ISnmpMessage response = message.GetResponse(6000, server);
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
throw ErrorException.Create(
"Error in response",
server.Address,
response);
}
var result = response.Pdu().Variables;
variableList = result.ToList();
}
public static IList <Variable> GetBulk(string IpAddress, string readPermissionString, string Identifier, int readPort)
{
GetBulkRequestMessage message = new GetBulkRequestMessage(0,
VersionCode.V2,
new OctetString(readPermissionString),
0,
10,
new List <Variable> {
new Variable(new ObjectIdentifier(Identifier))
});
ISnmpMessage response = message.GetResponse(60000, new IPEndPoint(IPAddress.Parse(IpAddress), readPort));
if (response.Pdu().ErrorStatus.ToInt32() != 0)
{
throw ErrorException.Create(
"error in response",
IPAddress.Parse(IpAddress),
response);
}
var result = response.Pdu().Variables;
return(result);
}
public static void Main(string[] args)
{
string community = "public";
bool showHelp = false;
bool showVersion = false;
VersionCode version = VersionCode.V2; // GET BULK is available in SNMP v2 and above.
int timeout = 1000;
int retry = 0;
Levels level = Levels.Reportable;
string user = string.Empty;
string authentication = string.Empty;
string authPhrase = string.Empty;
string privacy = string.Empty;
string privPhrase = string.Empty;
int maxRepetitions = 10;
int nonRepeaters = 0;
bool dump = false;
OptionSet p = new OptionSet()
.Add("c:", "Community name, (default is public)", delegate(string v) { if (v != null)
{
community = v;
}
})
.Add("l:", "Security level, (default is noAuthNoPriv)", delegate(string v)
{
if (v.ToUpperInvariant() == "NOAUTHNOPRIV")
{
level = Levels.Reportable;
}
else if (v.ToUpperInvariant() == "AUTHNOPRIV")
{
level = Levels.Authentication | Levels.Reportable;
}
else if (v.ToUpperInvariant() == "AUTHPRIV")
{
level = Levels.Authentication | Levels.Privacy | Levels.Reportable;
}
else
{
throw new ArgumentException("no such security mode: " + v);
}
})
.Add("Cn:", "Non-repeaters (default is 0)", delegate(string v) { nonRepeaters = int.Parse(v); })
.Add("Cr:", "Max-repetitions (default is 10)", delegate(string v) { maxRepetitions = int.Parse(v); })
.Add("a:", "Authentication method (MD5 or SHA)", delegate(string v) { authentication = v; })
.Add("A:", "Authentication passphrase", delegate(string v) { authPhrase = v; })
.Add("x:", "Privacy method", delegate(string v) { privacy = v; })
.Add("X:", "Privacy passphrase", delegate(string v) { privPhrase = v; })
.Add("u:", "Security name", delegate(string v) { user = v; })
.Add("h|?|help", "Print this help information.", delegate(string v) { showHelp = v != null; })
.Add("V", "Display version number of this application.", delegate(string v) { showVersion = v != null; })
.Add("d", "Display message dump", delegate(string v) { dump = true; })
.Add("t:", "Timeout value (unit is second).", delegate(string v) { timeout = int.Parse(v) * 1000; })
.Add("r:", "Retry count (default is 0)", delegate(string v) { retry = int.Parse(v); })
.Add("v:", "SNMP version (2 and 3 are currently supported)", delegate(string v)
{
switch (int.Parse(v))
{
case 2:
version = VersionCode.V2;
break;
case 3:
version = VersionCode.V3;
break;
default:
throw new ArgumentException("no such version: " + v);
}
});
if (args.Length == 0)
{
ShowHelp(p);
return;
}
List <string> extra;
try
{
extra = p.Parse(args);
}
catch (OptionException ex)
{
Console.WriteLine(ex.Message);
return;
}
if (showHelp)
{
ShowHelp(p);
return;
}
if (extra.Count < 2)
{
Console.WriteLine("invalid variable number: " + extra.Count);
return;
}
if (showVersion)
{
Console.WriteLine(System.Reflection.Assembly.GetExecutingAssembly().GetName().Version);
return;
}
IPAddress ip;
bool parsed = IPAddress.TryParse(extra[0], out ip);
if (!parsed)
{
foreach (IPAddress address in
Dns.GetHostAddresses(extra[0]).Where(address => address.AddressFamily == AddressFamily.InterNetwork))
{
ip = address;
break;
}
if (ip == null)
{
Console.WriteLine("invalid host or wrong IP address found: " + extra[0]);
return;
}
}
try
{
List <Variable> vList = new List <Variable>();
for (int i = 1; i < extra.Count; i++)
{
Variable test = new Variable(new ObjectIdentifier(extra[i]));
vList.Add(test);
}
IPEndPoint receiver = new IPEndPoint(ip, 161);
if (version != VersionCode.V3)
{
GetBulkRequestMessage message = new GetBulkRequestMessage(0,
version,
new OctetString(community),
nonRepeaters,
maxRepetitions,
vList);
ISnmpMessage response = message.GetResponse(timeout, receiver);
if (response.Pdu().ErrorStatus.ToInt32() != 0) // != ErrorCode.NoError
{
throw ErrorException.Create(
"error in response",
receiver.Address,
response);
}
foreach (Variable variable in response.Pdu().Variables)
{
Console.WriteLine(variable);
}
return;
}
if (string.IsNullOrEmpty(user))
{
Console.WriteLine("User name need to be specified for v3.");
return;
}
IAuthenticationProvider auth = (level & Levels.Authentication) == Levels.Authentication
? GetAuthenticationProviderByName(authentication, authPhrase)
: DefaultAuthenticationProvider.Instance;
IPrivacyProvider priv;
if ((level & Levels.Privacy) == Levels.Privacy)
{
priv = new DESPrivacyProvider(new OctetString(privPhrase), auth);
}
else
{
priv = new DefaultPrivacyProvider(auth);
}
Discovery discovery = Messenger.GetNextDiscovery(SnmpType.GetBulkRequestPdu);
ReportMessage report = discovery.GetResponse(timeout, receiver);
GetBulkRequestMessage request = new GetBulkRequestMessage(VersionCode.V3, Messenger.NextMessageId, Messenger.NextRequestId, new OctetString(user), nonRepeaters, maxRepetitions, vList, priv, Messenger.MaxMessageSize, report);
ISnmpMessage reply = request.GetResponse(timeout, receiver);
if (dump)
{
Console.WriteLine("Request message bytes:");
Console.WriteLine(ByteTool.Convert(request.ToBytes()));
Console.WriteLine("Response message bytes:");
Console.WriteLine(ByteTool.Convert(reply.ToBytes()));
}
if (reply is ReportMessage)
{
if (reply.Pdu().Variables.Count == 0)
{
Console.WriteLine("wrong report message received");
return;
}
var id = reply.Pdu().Variables[0].Id;
if (id != Messenger.NotInTimeWindow)
{
var error = id.GetErrorMessage();
Console.WriteLine(error);
return;
}
// according to RFC 3414, send a second request to sync time.
request = new GetBulkRequestMessage(VersionCode.V3, Messenger.NextMessageId, Messenger.NextRequestId, new OctetString(user), nonRepeaters, maxRepetitions, vList, priv, Messenger.MaxMessageSize, reply);
reply = request.GetResponse(timeout, receiver);
}
else if (reply.Pdu().ErrorStatus.ToInt32() != 0) // != ErrorCode.NoError
{
throw ErrorException.Create(
"error in response",
receiver.Address,
reply);
}
foreach (Variable v in reply.Pdu().Variables)
{
Console.WriteLine(v);
}
}
catch (SnmpException ex)
{
Console.WriteLine(ex);
}
catch (SocketException ex)
{
Console.WriteLine(ex);
}
}