/// <summary> /// 带有异步回调的GetResponse; /// </summary> /// <param name="callback"></param> /// <param name="PduList"></param> /// <param name="Community"></param> /// <param name="IpAddr"></param> public override void GetRequest(AsyncCallback callback, List <string> PduList, string Community, string IpAddr) { // 当确认全部获取SNMP数据后,调用callback回调; SnmpHelperResult res = new SnmpHelperResult(); OctetString community = new OctetString(Community); AgentParameters param = new AgentParameters(community); Dictionary <string, string> rest = new Dictionary <string, string>(); param.Version = SnmpVersion.Ver2; // 创建代理(基站); UdpTarget target = ConnectToAgent(Community, IpAddr); // Pdu请求形式Get; Pdu pdu = new Pdu(PduType.Get); foreach (string pdulist in PduList) { pdu.VbList.Add(pdulist); } Task tsk = Task.Factory.StartNew(() => { // 接收结果; m_Result = (SnmpV2Packet)target.Request(pdu, param); if (m_Result != null) { // ErrorStatus other then 0 is an error returned by // the Agent - see SnmpConstants for error definitions if (m_Result.Pdu.ErrorStatus != 0) { // agent reported an error with the request Console.WriteLine("Error in SNMP reply. Error {0} index {1}", m_Result.Pdu.ErrorStatus, m_Result.Pdu.ErrorIndex); rest.Add(m_Result.Pdu.ErrorIndex.ToString(), m_Result.Pdu.ErrorStatus.ToString()); res.SetSNMPReslut(rest); Thread.Sleep(3111); callback(res); } else { for (int i = 0; i < m_Result.Pdu.VbCount; i++) { rest.Add(m_Result.Pdu.VbList[i].Oid.ToString(), m_Result.Pdu.VbList[i].Value.ToString()); res.SetSNMPReslut(rest); Thread.Sleep(3111); callback(res); } } } else { Console.WriteLine("No response received from SNMP agent."); } target.Close(); }); }
/// <summary> /// GetNext的对外接口 /// 该函数会在第一次收到客户端请求后; /// 在每次收到基站的GetResponse之后,都会调用客户端注册的回调函数 /// </summary> /// <param name="callback"></param> /// <param name="PduList"></param> public override void GetNextRequest(AsyncCallback callback, List <string> PduList) { SnmpHelperResult res = new SnmpHelperResult(); if ((PduList.Count == 0) && (PduList == null)) // 如果PduList内容为空,则不进行处理; { return; } Task tsk = Task.Factory.StartNew(() => { Dictionary <string, string> NextRest = new Dictionary <string, string>(); List <List <string> > AllList = new List <List <string> >(); bool GetNextorNot = true; AllList.Add(PduList); while (GetNextorNot) { NextRest = this.GetNext(ref PduList); // 得到返回结果; if (PduList.Count == 0) { GetNextorNot = false; } res.SetSNMPReslut(NextRest); callback(res); } return; }); }