import net.floodlightcontroller.debugcounter.IDebugCounterService.MetaData; //导入依赖的package包/类
protected void updateCounters(String tableOpType, String tableName) {
	String counterName = tableName + "__" + tableOpType;
	IDebugCounter counter = debugCounters.get(counterName);
	if (counter == null) {
		counter = debugCounterService.registerCounter(this.getClass().getCanonicalName(), counterName, counterName, MetaData.WARN);
		debugCounters.put(counterName, counter); // maintain a list of the counters as the tables register with the storage source service
	}
	counter.increment();
	
	/*
	 * Now, do the counter for the base only (general update, add, or delete operation)
	 */
	counter = debugCounters.get(tableOpType);
	if (counter == null) {
		counter = debugCounterService.registerCounter(this.getClass().getCanonicalName(), tableOpType, tableOpType, MetaData.WARN);
		debugCounters.put(tableOpType, counter);
	}
	counter.increment();
}
 

import net.floodlightcontroller.debugcounter.IDebugCounterService.MetaData; //导入依赖的package包/类
public RoleManagerCounters(IDebugCounterService debugCounters) {
    debugCounters.registerModule(prefix);
    setSameRole =
            debugCounters.registerCounter(
                        prefix, "set-same-role",
                        "Controller received a role request for the same " +
                        "role the controller already had",
                        MetaData.WARN);

        setRoleMaster =
            debugCounters.registerCounter(
                        prefix, "set-role-master",
                        "Controller received a role request with role of " +
                        "MASTER. This counter can be at most 1.");
        setRoleEQUAL =
                debugCounters.registerCounter(
                            prefix, "set-role-equal",
                            "Controller received a role request with role of " +
                            "EQUAL.");
}
 

import net.floodlightcontroller.debugcounter.IDebugCounterService.MetaData; //导入依赖的package包/类
protected void updateCounters(String tableOpType, String tableName) {
	String counterName = tableName + "__" + tableOpType;
	IDebugCounter counter = debugCounters.get(counterName);
	if (counter == null) {
		counter = debugCounterService.registerCounter(this.getClass().getCanonicalName(), counterName, counterName, MetaData.WARN);
		debugCounters.put(counterName, counter); // maintain a list of the counters as the tables register with the storage source service
	}
	counter.increment();

	/*
	 * Now, do the counter for the base only (general update, add, or delete operation)
	 */
	counter = debugCounters.get(tableOpType);
	if (counter == null) {
		counter = debugCounterService.registerCounter(this.getClass().getCanonicalName(), tableOpType, tableOpType, MetaData.WARN);
		debugCounters.put(tableOpType, counter);
	}
	counter.increment();
}
 

import net.floodlightcontroller.debugcounter.IDebugCounterService.MetaData; //导入依赖的package包/类
@Override
public void startUp(FloodlightModuleContext context) {
    floodlightProviderService.addOFMessageListener(OFType.PACKET_IN, this);
    restApiService.addRestletRoutable(new LoadBalancerWebRoutable());
    debugCounterService.registerModule(this.getName());
    counterPacketOut = debugCounterService.registerCounter(this.getName(), "packet-outs-written", "Packet outs written by the LoadBalancer", MetaData.WARN);
}
 

import net.floodlightcontroller.debugcounter.IDebugCounterService.MetaData; //导入依赖的package包/类
DebugCounterImpl(@Nonnull String moduleName,
                 @Nonnull String counterHierarchy,
                 @Nonnull String description,
                 @Nonnull Collection<MetaData> metaData) {
    this.moduleName = moduleName;
    this.counterHierarchy = counterHierarchy;
    this.description = description;
    this.metaData = Sets.immutableEnumSet(metaData);
    this.lastModified.setTime(System.currentTimeMillis());
}
 

import net.floodlightcontroller.debugcounter.IDebugCounterService.MetaData; //导入依赖的package包/类
public ControllerCounters(IDebugCounterService debugCounters) {
    debugCounters.registerModule(prefix);
    debugCounters.registerModule(OFConnectionCounters.COUNTER_MODULE);

    dispatchMessageWhileStandby = debugCounters.registerCounter(prefix,
                                                                "dispatch-message-while-slave",
                                                                "Number of times an OF message was received "
                                                                        + "and supposed to be dispatched but the "
                                                                        + "controller was in SLAVE role and the message "
                                                                        + "was not dispatched");
    // does this cnt make sense? more specific?? per type?
    // count stops?
    dispatchMessage = debugCounters.registerCounter(prefix,
                                                    "dispatch-message",
                                                    "Number of times an OF message was dispatched "
                                                            + "to registered modules");

    // TODO: FIXME
    // Need a better way to handle these
    packetParsingError = debugCounters.registerCounter(prefix,
                                                       "packet-parsing-error",
                                                       "Number of times the packet parsing "
                                                               + "encountered an error",
                                                       MetaData.ERROR);
    
    packetIn = debugCounters.registerCounter(prefix, "packet-in", "Number of packet_in's seen");
}
 

import net.floodlightcontroller.debugcounter.IDebugCounterService.MetaData; //导入依赖的package包/类
public RoleManagerCounters(IDebugCounterService debugCounters) {
    debugCounters.registerModule(prefix);
    setSameRole =
            debugCounters.registerCounter(
                        prefix, "set-same-role",
                        "Controller received a role request for the same " +
                        "role the controller already had",
                        MetaData.WARN);

        setRoleMaster =
            debugCounters.registerCounter(
                        prefix, "set-role-master",
                        "Controller received a role request with role of " +
                        "MASTER. This counter can be at most 1.");
}
 

import net.floodlightcontroller.debugcounter.IDebugCounterService.MetaData; //导入依赖的package包/类
public ControllerCounters(IDebugCounterService debugCounters) {
    debugCounters.registerModule(prefix);
    debugCounters.registerModule(OFConnectionCounters.COUNTER_MODULE);

    dispatchMessageWhileStandby = debugCounters.registerCounter(prefix,
                                                                "dispatch-message-while-slave",
                                                                "Number of times an OF message was received "
                                                                        + "and supposed to be dispatched but the "
                                                                        + "controller was in SLAVE role and the message "
                                                                        + "was not dispatched");
    // does this cnt make sense? more specific?? per type?
    // count stops?
    dispatchMessage = debugCounters.registerCounter(prefix,
                                                    "dispatch-message",
                                                    "Number of times an OF message was dispatched "
                                                            + "to registered modules");

    // TODO: FIXME
    // Need a better way to handle these
    packetParsingError = debugCounters.registerCounter(prefix,
                                                       "packet-parsing-error",
                                                       "Number of times the packet parsing "
                                                               + "encountered an error",
                                                       MetaData.ERROR);

    packetIn = debugCounters.registerCounter(prefix, "packet-in", "Number of packet_in's seen");
}