import com.sun.jmx.snmp.agent.SnmpMibAgent; //导入依赖的package包/类
/**
 * Adds a new MIB in the SNMP MIB handler.
 * This method is to be called to set a specific agent to a specific OID.
 * This can be useful when dealing with MIB overlapping.
 * Some OID can be implemented in more than one MIB. In this case,
 * the OID nearer agent will be used on SNMP operations.
 *
 * @param mib The MIB to add.
 * @param oids The set of OIDs this agent implements.
 *
 * @return A reference to the SNMP MIB handler.
 *
 * @exception IllegalArgumentException If the parameter is null.
 *
 * @since 1.5
 */
@Override
public SnmpMibHandler addMib(SnmpMibAgent mib, SnmpOid[] oids)
    throws IllegalArgumentException {
    if (mib == null) {
        throw new IllegalArgumentException() ;
    }

    //If null oid array, just add it to the mib.
    if(oids == null)
        return addMib(mib);

    if(!mibs.contains(mib))
        mibs.addElement(mib);

    for (int i = 0; i < oids.length; i++) {
        root.register(mib, oids[i].longValue());
    }
    return this;
}
 

import com.sun.jmx.snmp.agent.SnmpMibAgent; //导入依赖的package包/类
private void createSnmpRequestHandler(SnmpAdaptorServer server,
                                      int id,
                                      DatagramSocket s,
                                      DatagramPacket p,
                                      SnmpMibTree tree,
                                      Vector<SnmpMibAgent> m,
                                      InetAddressAcl a,
                                      SnmpPduFactory factory,
                                      SnmpUserDataFactory dataFactory,
                                      MBeanServer f,
                                      ObjectName n) {
    final SnmpRequestHandler handler =
        new SnmpRequestHandler(this, id, s, p, tree, m, a, factory,
                               dataFactory, f, n);
    threadService.submitTask(handler);
}
 

import com.sun.jmx.snmp.agent.SnmpMibAgent; //导入依赖的package包/类
/**
 * Full constructor
 */
public SnmpRequestHandler(SnmpAdaptorServer server, int id,
                          DatagramSocket s, DatagramPacket p,
                          SnmpMibTree tree, Vector<SnmpMibAgent> m,
                          InetAddressAcl a,
                          SnmpPduFactory factory,
                          SnmpUserDataFactory dataFactory,
                          MBeanServer f, ObjectName n)
{
    super(server, id, f, n);

    // Need a reference on SnmpAdaptorServer for getNext & getBulk,
    // in case of oid equality (mib overlapping).
    //
    adaptor = server;
    socket = s;
    packet = p;
    root= tree;
    mibs = new Vector<>(m);
    subs= new Hashtable<>(mibs.size());
    ipacl = a;
    pduFactory = factory ;
    userDataFactory = dataFactory ;
    //thread.start();
}
 

import com.sun.jmx.snmp.agent.SnmpMibAgent; //导入依赖的package包/类
/**
 * The method takes the incoming get bulk requests and split it into
 * subrequests.
 */
private void splitBulkRequest(SnmpPduBulk req,
                              int nonRepeaters,
                              int maxRepetitions,
                              int R) {
    // Send the getBulk to all agents
    //
    for(Enumeration<SnmpMibAgent> e= mibs.elements(); e.hasMoreElements(); ) {
        final SnmpMibAgent agent = e.nextElement();

        if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
            SNMP_ADAPTOR_LOGGER.logp(Level.FINER, dbgTag,
               "splitBulkRequest", "Create a sub with : " + agent + " " + nonRepeaters
               + " " + maxRepetitions + " " + R);
        }

        subs.put(agent,
                 new SnmpSubBulkRequestHandler(adaptor,
                                               agent,
                                               req,
                                               nonRepeaters,
                                               maxRepetitions,
                                               R));
    }
}
 

import com.sun.jmx.snmp.agent.SnmpMibAgent; //导入依赖的package包/类
public void printTree(String ident) {

            StringBuilder buff= new StringBuilder();
            if (agents == null) {
                return;
            }

            for(Enumeration<SnmpMibAgent> e= agents.elements(); e.hasMoreElements(); ) {
                SnmpMibAgent mib= e.nextElement();
                if (mib == null)
                    buff.append("empty ");
                else
                    buff.append(mib.getMibName()).append(" ");
            }
            ident+= " ";
            if (children == null) {
                return;
            }
            for(Enumeration<TreeNode> e= children.elements(); e.hasMoreElements(); ) {
                TreeNode node= e.nextElement();
                node.printTree(ident);
            }
        }
 

import com.sun.jmx.snmp.agent.SnmpMibAgent; //导入依赖的package包/类
private void removeAgentFully(SnmpMibAgent agent) {
    Vector<TreeNode> v = new Vector<>();
    for(Enumeration<TreeNode> e= children.elements();
        e.hasMoreElements(); ) {

        TreeNode node= e.nextElement();
        node.removeAgentFully(agent);
        if(node.agents.isEmpty())
            v.add(node);

    }
    for(Enumeration<TreeNode> e= v.elements(); e.hasMoreElements(); ) {
        children.removeElement(e.nextElement());
    }
    removeAgent(agent);

}
 

import com.sun.jmx.snmp.agent.SnmpMibAgent; //导入依赖的package包/类
/**
 * SNMP V1/V2 . To be called with updateRequest.
 */
protected SnmpSubRequestHandler(SnmpMibAgent agent, SnmpPdu req) {
    if (SNMP_ADAPTOR_LOGGER.isLoggable(Level.FINER)) {
        SNMP_ADAPTOR_LOGGER.logp(Level.FINER, SnmpSubRequestHandler.class.getName(),
            "constructor", "creating instance for request " + String.valueOf(req.requestId));
    }

    version= req.version;
    type= req.type;
    this.agent= agent;

    // We get a ref on the pdu in order to pass it to SnmpMibRequest.
    reqPdu = req;

    //Pre-allocate room for storing varbindlist and translation table.
    //
    int length= req.varBindList.length;
    translation= new int[length];
    varBind= new NonSyncVector<SnmpVarBind>(length);
}