/// <summary>
/// Retrieves (or tries to retrieve) the remote peer's MAC address.
/// </summary>
private bool RetrieveAllAvailableValues()
{
if (this.allValuesRetrieved)
{
return(true);
}
var valueToQuery = RetrievableValuesEnum.RxSignalStrengthApAppendMacAndInterfaceId;
DeviceSpecificOid rxStrengthRootOid;
if (!this.OidLookup.TryGetValue(valueToQuery, out rxStrengthRootOid))
{
log.Warn($"Failed to obtain OID for '{valueToQuery}' ==> Cannot obtain any peer data for device '{this.DeviceAddress}'");
this.allValuesRetrieved = true;
this.isApBacking = null;
this.peerMacBacking = null;
this.RxSignalStrengthBacking = double.NaN;
return(true);
}
Vb rxSignalStrengthEntry = this.walkCollection.SingleOrDefault(v => rxStrengthRootOid.Oid.IsRootOf(v.Oid));
if (rxSignalStrengthEntry == null)
{
log.Warn($"Failed to obtain SNMP response entry for '{valueToQuery}' ==> Cannot obtain any peer data for device '{this.DeviceAddress}'");
this.allValuesRetrieved = true;
this.isApBacking = null;
this.peerMacBacking = null;
this.RxSignalStrengthBacking = double.NaN;
return(true);
}
var macOidFragments = rxSignalStrengthEntry.Oid.Skip(rxStrengthRootOid.Oid.Length).Take(6);
this.peerMacBacking = macOidFragments.ToHexString();
this.RxSignalStrengthBacking = rxSignalStrengthEntry.Value.ToInt();
this.RecordCachableOid(CachableValueMeanings.WirelessRxSignalStrength, rxSignalStrengthEntry.Oid);
valueToQuery = RetrievableValuesEnum.WlanRemoteMacAddressAppendInterfaceId;
DeviceSpecificOid wlanRemoteMacAddressRootOid;
if (!this.OidLookup.TryGetValue(valueToQuery, out wlanRemoteMacAddressRootOid))
{
log.Warn($"Failed to obtain OID for '{valueToQuery}' ==> Cannot obtain IsAccessPoint for device '{this.DeviceAddress}'");
this.allValuesRetrieved = true;
this.isApBacking = null;
return(true);
}
Oid macPeerMacFieldOid = wlanRemoteMacAddressRootOid.Oid + rxSignalStrengthEntry.Oid.Last();
this.isApBacking = this.walkCollection.ContainsOid(macPeerMacFieldOid);
this.allValuesRetrieved = true;
return(true);
}
private static Vb[] CreateNullVbs(Oid[] oids, Vb[] arrayToReuse)
{
if (arrayToReuse == null || arrayToReuse.Length != oids.Length)
{
arrayToReuse = new Vb[oids.Length];
}
for (int i = 0; i < arrayToReuse.Length; i++)
{
arrayToReuse[i] = new Vb(oids[i]);
}
return(arrayToReuse);
}
private static Vb[][] ExtractRows(Hashtable rows)
{
Oid[] keys = new Oid[rows.Count];
rows.Keys.CopyTo(keys, 0);
Array.Sort(keys);
Vb[][] vbRows = new Vb[keys.Length][];
for (int i = 0; i < vbRows.Length; i++)
{
vbRows[i] = (Vb[])rows[keys[i]];
}
return(vbRows);
}
public void Dispose()
{
Vb.Dispose();
Ib.Dispose();
if (Tex != null)
{
Tex.Dispose();
}
if (Blen != null)
{
Blen.Dispose();
}
//if (Rast != null) Rast.Dispose();
}
private static Vb[] CreateNullVbs(Oid[] columnOids, Oid startRowIndex)
{
Vb[] vbs = new Vb[columnOids.Length];
for (int i = 0; i < vbs.Length; i++)
{
Oid oid = columnOids[i];
if (startRowIndex != null)
{
oid = oid.Append(startRowIndex);
}
vbs[i] = new Vb(oid);
}
return(vbs);
}
public static IList Walk(Snmp snmp, SnmpTarget target, Pdu pdu, IList list)
{
if (!(pdu.Type == PduType.GetNext || pdu.Type == PduType.GetBulk))
{
throw new ArgumentException("Invalid Pdu type", "pdu");
}
if (pdu.Count != 1)
{
throw new ArgumentException("Expected a single Vb", "pdu");
}
try
{
Oid subtree = pdu[0].Oid;
while (true)
{
pdu = snmp.Invoke(pdu, target);
Vb lastVb = null;
foreach (Vb vb in pdu)
{
Oid oid = vb.Oid;
if (!oid.StartsWith(subtree) ||
vb.Value.SmiSyntax == SmiSyntax.EndOfMibView)
{
return(list);
}
lastVb = vb;
list.Add(vb);
}
pdu = pdu.Clone(lastVb);
}
}
catch (SnmpException e)
{
// SNMPv1 and NoSuchName?
if (e.ErrorStatus != SnmpError.NoSuchName)
{
throw;
}
}
return(list);
}
private static void GotTrap(Snmp snmp, Pdu pdu, SnmpTarget target, object cbData)
{
if ((int)cbData != CB_DATA_)
{
Console.Error.WriteLine("*** Invalid callback data!");
}
if (threadId_ == null)
{
threadId_ = Interlocked.Increment(ref nextId_);
}
// Use a lock if you want do not want messages from various threads
// to be interleaved
ManagerUtilities.PrintPdu(Console.Out,
Now() + ": " + pdu.Type + " received from " + target,
pdu, true, threadId_);
Console.Out.WriteLine(
"Enterprise: " + pdu.NotifyEnterprise
+ "\nNotify OID : " + pdu.NotifyId
+ "\nV1 generic-trap : " + pdu.V1GenericTrap
+ "\nV1 specific-trap: " + pdu.V1SpecificTrap
+ "\nTimestamp : " + pdu.NotifyTimestamp);
if (pdu.Type == PduType.V1Trap)
{
Console.Out.WriteLine("v1TrapAddr: " + pdu.V1TrapAddress);
}
if (pdu.Type == PduType.Inform)
{
Vb vb = new Vb("1.3.6.1", new OctetStr("this is the response"));
pdu = new Pdu(PduType.Response, vb);
snmp.Invoke(pdu, target);
ManagerUtilities.PrintPdu(Console.Out,
"Response sent to " + target, pdu, true, threadId_);
}
// Long trap processing follows...
Thread.Sleep(5000);
}
private static void Walk(Snmp snmp, Pdu pdu, SnmpTarget target,
bool asyncSync, bool show, bool debug, ref int ncalls)
{
Console.WriteLine("Rentre dans le Walk");
string thName = Thread.CurrentThread.Name;
Oid rootOid = pdu[0].Oid;
while (true)
{
if (debug)
{
PrintPdu(Console.Out, "Sending PDU to target " + target, pdu, debug);
}
Pdu resp = Invoke(snmp, pdu, target, asyncSync);
ncalls++;
Vb nextVb = resp[0];
Oid nextOid = nextVb.Oid;
if (!nextOid.StartsWith(rootOid))
{
break;
}
if (debug)
{
PrintPdu(Console.Out, "Received PDU:", resp, debug);
}
else
if (show)
{
SnmpSyntax val = nextVb.Value;
SmiSyntax type = val != null ? val.SmiSyntax : SmiSyntax.Null;
Console.WriteLine("[{0}]: {1},{2},{3}", thName, nextOid, val, type);
}
pdu = pdu.Clone(new Vb(nextOid));
}
}
/// <summary>
/// 设置snmp vb的值
/// </summary>
/// <param name="vb"></param>
/// <param name="syntaxType"></param>
/// <param name="value"></param>
/// <returns></returns>
public int SetVbValue(ref Vb vb, SNMP_SYNTAX_TYPE syntaxType, string value)
{
if (vb == null)
{
return(-1);
}
try
{
switch (syntaxType)
{
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_INT:
vb.Value = new Integer32(value);
break;
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_BITS:
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_OCTETS:
if (value == null)
{
vb.Value = new OctetString("null");
}
else
{
vb.Value = new OctetString(value);
}
break;
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_NULL:
break;
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_OID:
// TODO:
vb.Value = new Oid(value);
break;
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_IPADDR:
vb.Value = new IpAddress(value);
break;
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_CNTR32:
vb.Value = new UInteger32(value);
break;
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_GAUGE32:
vb.Value = new UInteger32(value);
break;
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_TIMETICKS:
vb.Value = new TimeTicks(value);
break;
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_OPAQUE:
vb.Value = new Opaque(value);
break;
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_CNTR64:
// TODO
vb.Value = new Counter64(value);
break;
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_NOSUCHOBJECT:
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_NOSUCHINSTANCE:
case SNMP_SYNTAX_TYPE.SNMP_SYNTAX_ENDOFMIBVIEW:
// do nothing
break;
default:
// do nothing
break;
}
} catch (Exception e)
{
Log.Error(e.Message.ToString());
throw e;
}
return(0);
}
/// <summary>
/// 将LmtPdu转换为snmpPdu
/// </summary>
/// <param name="pdu"></param>
/// <param name="lmtPdu"></param>
/// <param name="strRemoteIp"></param>
/// <returns></returns>
private bool LmtPdu2SnmpPdu(out Pdu pdu, CDTLmtbPdu lmtPdu, string strRemoteIp)
{
pdu = new Pdu();
string strMibPreFix = "";
string strOid;
string strTmpOid;
string strValue;
SNMP_SYNTAX_TYPE strSyntaxType;
int lmtVbCount = lmtPdu.VbCount();
for (int i = 0; i < lmtVbCount; i++)
{
CDTLmtbVb cDTLmtbVb = lmtPdu.GetVbByIndexEx(i);
strTmpOid = cDTLmtbVb.get_Oid();
strSyntaxType = cDTLmtbVb.get_Syntax();
strValue = cDTLmtbVb.get_Value();
if (SNMP_SYNTAX_TYPE.SNMP_SYNTAX_OCTETS == strSyntaxType)
{
/*对于像inetipAddress和DateandTime需要做一下特殊处理，把内存值转换为显示文本*/
// CString strNodeType = GetNodeTypeByOIDInCache(csIpAddr, strOID, strMIBPrefix);
string strNodeType = "";
if ("DateandTime".Equals(strNodeType))
{
// TODO
// strValue = strValue;
}
else if ("inetaddress".Equals(strNodeType))
{
}
else if ("MacAddress".Equals(strNodeType))
{
}
else if ("Unsigned32Array".Equals(strNodeType))
{
}
else if ("Integer32Array".Equals(strNodeType) || "".Equals(strNodeType))
{
}
else if ("MncMccType".Equals(strNodeType))
{
}
}
// TODO
Vb vb = new Vb(new Oid(strTmpOid));
SetVbValue(ref vb, strSyntaxType, strValue);
pdu.VbList.Add(vb);
} // end for
return(true);
}
private void ResponseCallback(IAsyncResult ar)
{
if (ar.AsyncState != this)
{
throw new ArgumentException(
"Fatal: invalid data passed to callback");
}
using (MemoryManager.GetMemoryManager())
{
Pdu pdu;
try
{
pdu = snmp_.EndInvoke(ar);
}
catch (Exception e)
{
Console.Error.WriteLine(e);
barrier_.Enter();
return;
}
bool show = (nRepd_ % 1000) == 0;
if (show || debug_)
{
ManagerUtilities.PrintPdu(Console.Out,
"Callback PDU:", pdu, true, id_.ToString());
}
Pdu nextPdu = pdu_;
if (operType_ == OperType.Walk)
{
Vb nextVb = pdu[0];
Oid nextOid = nextVb.Oid;
Oid rootOid = pdu_[0].Oid;
if (nextOid.StartsWith(rootOid))
{
if (show)
{
SnmpSyntax val = nextVb.Value;
SmiSyntax type = val != null ? val.SmiSyntax : SmiSyntax.Null;
Console.WriteLine("[{0}]: {1},{2},{3}", id_, nextOid, val, type);
}
nRepd_--;
nextPdu = pdu_.Clone(new Vb(nextOid));
}
}
nCalls_++;
nRepd_++;
if (nRepd_ < nRepeats_)
{
AsyncDoSnmp(snmp_, target_, nextPdu,
new AsyncCallback(ResponseCallback), this);
}
else
{
barrier_.Enter();
}
}
}
//テーブルデータの取得
private void getForTable(Vb data, ref int flg)
{
int index = 0;
List <string> recordList = new List <string>();
//mib-2
if (data.Oid.ToString().IndexOf("1.3.6.1.2.1.") >= 0)
{
//ifindexか判定
if (data.Oid.ToString().IndexOf("1.3.6.1.2.1.2.2.1.1.") >= 0)
{
string str = "";
str = data.Oid.ToString();
index = data.Oid.ToString().LastIndexOf(".");
//ヘッダなので1回目のみ実行
if (flg == 0)
{
//ヘッダのリストに取得
string ss = "";
ss = Class_headerConv.headerConvert(str.Substring(0, index + 1));
_headerList.Add(ss);
flg = 1;
}
//ifindexを多次元リストに格納
recordList = new List <string>(new string[22]);
//recordList = new List<string>();
List <string> tmpAry = recordList.CloneDeep();
tmpAry[0] = str.Substring(index + 1);
tablearray.Add(str.Substring(index + 1), tmpAry);
}
//ifEntry
else if (data.Oid.ToString().IndexOf("1.3.6.1.2.1.2.2.1.") >= 0)
{
string str = "";
str = data.Oid.ToString();
index = data.Oid.ToString().LastIndexOf(".");
if (str.EndsWith("." + "1"))
{
//ヘッダのリストに取得
string ss = "";
ss = Class_headerConv.headerConvert(str.Substring(0, index + 1));
_headerList.Add(ss);
}
//値をリストに格納
string valdata = (data.Value.ToString() == null) ? "" : data.Value.ToString();
//日本語を変換
if (0 <= data.Oid.ToString().IndexOf("1.3.6.1.2.1.2.2.1.2.") | 0 <= data.Oid.ToString().IndexOf("1.3.6.1.2.1.25.3.2.1.3."))
{
valdata = convertJP(valdata);
}
else if (0 <= data.Oid.ToString().IndexOf("1.3.6.1.2.1.2.2.1.3."))
{
valdata = Util.ifTypeConv(valdata);
}
else if (0 <= data.Oid.ToString().IndexOf("1.3.6.1.2.1.2.2.1.7.") | 0 <= data.Oid.ToString().IndexOf("1.3.6.1.2.1.2.2.1.8."))
{
valdata = Util.convIfStatus(valdata);
}
//テーブルの指定された項目にデータを挿入
//インデックス(横)の取得
int idx = Util.getTableYokoIndex(data.Oid.ToString());
((List <string>)tablearray[str.Substring(index + 1)])[idx] = valdata;
}
}
}
public static void Main(string[] args)
{
if (args.Length < 2)
{
Console.Error.WriteLine(
"SNMP++.NET {0} built on {1}; SNMP++ v. {2}\n\n"
+ "Usage: {3} <ip> <readCommunity> [<debugMark>]",
Assembly.GetAssembly(typeof(Snmp)),
Snmp.BuildTime,
Snmp.Snmp_ppVersion,
Environment.GetCommandLineArgs()[0]);
Environment.Exit(1);
}
string ip = args[0], community = args[1];
bool debug = args.Length > 2 && args[2].Length > 0;
try
{
SnmpTarget.DefaultTimeout = 10000;
SnmpTarget.DefaultRetries = 2;
using (Snmp snmp = new Snmp(false))
{
UdpAddress udp = new UdpAddress(ip);
SnmpVersion ver = SnmpVersion.SNMPv1;
CTarget target = new CTarget(udp, ver, community, community);
Oid systemOid = (Oid)SYSOID2NAME_["system"];
Vb vb = new Vb(systemOid);
Pdu pdu = new Pdu(PduType.GetNext, vb);
while (true)
{
if (debug)
{
Console.WriteLine("Sending : " + pdu + " to " + target);
}
Pdu resp = snmp.Invoke(pdu, target);
if (debug)
{
Console.WriteLine("Received: " + resp);
}
vb = resp[0];
Oid oid = vb.Oid;
if (!oid.StartsWith(systemOid))
{
break;
}
SnmpSyntax val = vb.Value;
Console.WriteLine("{0}({1}): {2} ({3})",
oid, SYSOID2NAME_[oid], val, val.SmiSyntax);
pdu = pdu.Clone(vb);
}
}
}
catch (SnmpException e)
{
Console.WriteLine("SnmpException:"
+ "\nstatus : " + e.ErrorStatus
+ "\nindex : " + e.ErrorIndex
+ "\nmessage: " + e.Message);
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
public GetSetEventArgs(Vb value, IPEndPoint inEndPoint)
{
this.value = value;
this.inEndPoint = inEndPoint;
}
/// <summary>
/// 下发添加命令
/// </summary>
/// <param name="peerAddresss"></param>
/// <param name="nIndex"></param>
/// <returns></returns>
public bool AddTraceTask(string peerAddresss, int nIndex)
{
SnmpAgentInfo snmpAgent = GetSnmpAgent(peerAddresss, 2, 2000);
string index = string.Format(".{0}", nIndex);
int count = ListAddTrace.Count;
Vb[] vbs = new Vb[count];
int curNum = 0;
TraceItem inter = new TraceItem();
foreach (TraceItem item in ListAddTrace)
{
if ("跟踪任务类型" == item.DisplayName)
{
inter = item;
}
if ("跟踪管理对象OID" == item.DisplayName)
{
if (null != inter)
{
if ("" == item.Value)
{
item.Value = "0";
}
string curValue = CommonOid + SpcialDeal(inter.Value) + item.Value;
vbs[curNum] = new Vb(new Oid(CommonOid + item.Oid + index), new Oid(curValue));
}
else
{
}
}
else
{
if ("行状态" == item.DisplayName)
{
vbs[curNum] = new Vb(new Oid(CommonOid + item.Oid + index), new Integer32(4));
}
else
{
vbs[curNum] = new Vb(new Oid(CommonOid + item.Oid + index), item.GetValue());
}
}
curNum++;
}
IEnumerator <Vb> getRes = null;
try
{
getRes = SnmpSessionHelper.Instance.Set(snmpAgent, vbs);
return(true);
}
catch (SnmpErrorStatusException snmpex)
{
log.Error(string.Format("启动网元{0}的删除命令失败!, 原因为:{1}", snmpAgent.PeerAddress, snmpex.Message));
}
catch (System.Exception ex)
{
log.Error(string.Format("启动网元{0}的删除命令失败!, 原因为:{1}", snmpAgent.PeerAddress, ex.Message));
}
return(false);
}
// Processes the next response to GET NEXT/GET BULK request. Map 'rows'
// contains already received rows (possibly only partially filled with
// variable bindings). The method returns new OIDs which are to be used
// in the subsequent requests. If this is the last response, this array
// will be empty. Note that 'columnOids' is also modified and nulls are
// set for columns that have been finished.
private static Oid[] ProcessResponse(
Oid[] columnOids, Vb[] vbs, Oid endRowIndex, Hashtable rows)
{
int nNonNulls = GetNonNullCount(columnOids);
Oid[] oids = new Oid[columnOids.Length];
Oid rowIndex = null;
Vb[] row = null;
for (int i = 0, o = 0;
i < vbs.Length && nNonNulls > 0;
i++, o = ++o % columnOids.Length)
{
while (columnOids[o] == null)
{
o = ++o % columnOids.Length;
}
Oid columnOid = columnOids[o];
Vb vb = vbs[i];
Oid oid = vb.Oid;
SnmpSyntax val = vb.Value;
// Check whether this Vb should be included in the results
// and whether this column has been finished. 'val' should
// never be NULL but some faulty agents send NULLs.
bool endOfColumn
= !oid.StartsWith(columnOid) ||
(val != null && val.SmiSyntax == SmiSyntax.EndOfMibView);
bool includeVb = !endOfColumn;
Oid rowIdx = null;
if (!endOfColumn)
{
rowIdx = oid.TrimLeft(columnOid.Length);
if (endRowIndex != null)
{
int res = rowIdx.CompareTo(endRowIndex);
endOfColumn = res >= 0;
includeVb = res <= 0;
}
}
// if a valid value has been returned, store it in the hash
// table and store its OID for a subsequent request
if (includeVb)
{
oids[o] = oid;
if (rowIndex == null || !rowIdx.Equals(rowIndex))
{
rowIndex = rowIdx;
row = (Vb[])rows[rowIndex];
if (row == null)
{
row = new Vb[columnOids.Length];
rows.Add(rowIndex, row);
}
}
row[o] = vb;
}
// if the column has been finished, remove it from further
// processing
if (endOfColumn)
{
if (val != null && val.SmiSyntax == SmiSyntax.EndOfMibView)
{
columnOids[o] = null;
nNonNulls--;
}
oids[o] = null;
}
}
// set finished columns of 'columnOids' to null
// and remove nulls from 'oids'
int noids = 0;
for (int i = 0; i < oids.Length; i++)
{
if (oids[i] == null)
{
columnOids[i] = null;
}
else
{
oids[noids++] = oids[i];
}
}
// shrink 'oids', if necessary
if (noids < oids.Length)
{
Oid[] o = new Oid[noids];
Array.Copy(oids, 0, o, 0, noids);
oids = o;
}
return(oids);
}
/// <summary>
/// Faz o logging do resultado de um SNMPRequest
/// </summary>
internal void Log(Vb item)
{
this.Log(item.Value.ToString(), LogType.RESPONSE);
}
/// <summary>
/// Process a received SNMP SetRequest
/// </summary>
/// <param name="Ooid"></param>
/// <param name="valuePair"></param>
public void ProcessSetRequest(Oid Ooid, Vb valuePair)
{
switch (Ooid.ToString())
{
case "1.3.2.5.1":
Debug.Log("SysUp set request -- error read only");
break;
case "1.3.2.5.2":
Debug.Log("location set request -- error read only");
break;
case "1.3.2.5.3":
metalGear.moveToX = int.Parse(valuePair.Value.ToString());
Debug.Log("moveX set request");
break;
case "1.3.2.5.4":
metalGear.moveToY = int.Parse(valuePair.Value.ToString());
Debug.Log("moveY set request");
break;
case "1.3.2.5.5":
metalGear.lookAt = (uint)int.Parse(valuePair.Value.ToString());
Debug.Log("LookAt set request");
break;
/*case "1.3.2.5.6":
* Debug.Log("weapontable request");
* break;
*/
case "1.3.2.5.7":
Debug.Log("nukeState set request --read only");
break;
case "1.3.2.5.8":
Debug.Log("nukeLaunch set request --read only");
break;
case "1.3.2.5.9":
Debug.Log("radarTable request");
break;
case "1.3.2.5.10":
Debug.Log("radarState set request --read only");
break;
case "1.3.2.5.11":
Debug.Log("cameraTable request");
break;
case "1.3.2.5.12":
metalGear.selectedCamera = (uint)int.Parse(valuePair.Value.ToString());
Debug.Log("selectedCamera request");
break;
case "1.3.2.5.13":
Debug.Log("bodyTable request");
break;
case "1.3.2.5.14":
metalGear.selectedTarget = int.Parse(valuePair.Value.ToString());
Debug.Log("selectedTarget set request");
break;
case "1.3.2.5.15":
metalGear.selectdGun = int.Parse(valuePair.Value.ToString());
Debug.Log("selectedGun set request");
break;
case "1.3.2.5.16":
metalGear.attacking = int.Parse(valuePair.Value.ToString());
Debug.Log("attacking request");
break;
case "1.3.2.5.17":
Debug.Log("under attacking set request error - read only");
break;
default:
Debug.Log("Wroing OID");
responsePacket.Pdu.ErrorStatus = 1; // no error
break;
}
}
