/// <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;
SnmpMessageResult res = new SnmpMessageResult();
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 void GetNextRequestWhenStop(AsyncCallback callback, AsyncCallback callback_WhenStop, List <string> PduList)
{
SnmpMessageResult res = new SnmpMessageResult();
List <string> templist = new List <string>();
templist = PduList;
if ((PduList.Count == 0) || (PduList == null)) // 如果PduList内容为空，则不进行处理;
{
return;
}
{
Dictionary <string, string> NextRest = new Dictionary <string, string>();
List <List <string> > AllList = new List <List <string> >();
bool GetNextorNot = true;
AllList.Add(templist);
while (GetNextorNot) // 持续获取，直到最后一个结果;
{
NextRest = this.GetNext(ref templist); // 得到返回结果;
if (templist.Count == 0) // 当返回结果为空时，停止GetNext;
{
GetNextorNot = false;
res.IsCompleted = true;
callback_WhenStop(res);
}
res.SetSNMPReslut(NextRest);
callback(res);
}
return;
}
}
/// <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)
{
SnmpMessageResult res = new SnmpMessageResult();
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) // 持续获取，知道最后一个结果;
{
NextRest = this.GetNext(ref PduList); // 得到返回结果;
if (PduList.Count == 0) // 当返回结果为空时，停止GetNext;
{
GetNextorNot = false;
}
res.SetSNMPReslut(NextRest);
callback(res);
}
return;
});
}
