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Java IOFSwitch.hasAttribute方法代码示例

本文整理汇总了Java中net.floodlightcontroller.core.IOFSwitch.hasAttribute方法的典型用法代码示例。如果您正苦于以下问题:Java IOFSwitch.hasAttribute方法的具体用法?Java IOFSwitch.hasAttribute怎么用?Java IOFSwitch.hasAttribute使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在net.floodlightcontroller.core.IOFSwitch的用法示例。


在下文中一共展示了IOFSwitch.hasAttribute方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: doFlood

import net.floodlightcontroller.core.IOFSwitch; //导入方法依赖的package包/类
/**
 * Creates a OFPacketOut with the OFPacketIn data that is flooded on all ports unless
 * the port is blocked, in which case the packet will be dropped.
 * @param sw The switch that receives the OFPacketIn
 * @param pi The OFPacketIn that came to the switch
 * @param cntx The FloodlightContext associated with this OFPacketIn
 */
@LogMessageDoc(level="ERROR",
		message="Failure writing PacketOut " +
				"switch={switch} packet-in={packet-in} " +
				"packet-out={packet-out}",
				explanation="An I/O error occured while writing a packet " +
						"out message to the switch",
						recommendation=LogMessageDoc.CHECK_SWITCH)
protected void doFlood(IOFSwitch sw, OFPacketIn pi, FloodlightContext cntx) {
	OFPort inPort = (pi.getVersion().compareTo(OFVersion.OF_12) < 0 ? pi.getInPort() : pi.getMatch().get(MatchField.IN_PORT));
	if (topologyService.isIncomingBroadcastAllowed(sw.getId(), inPort) == false) {
		if (log.isTraceEnabled()) {
			log.trace("doFlood, drop broadcast packet, pi={}, " +
					"from a blocked port, srcSwitch=[{},{}], linkInfo={}",
					new Object[] {pi, sw.getId(), inPort});
		}
		return;
	}

	// Set Action to flood
	OFPacketOut.Builder pob = sw.getOFFactory().buildPacketOut();
	List<OFAction> actions = new ArrayList<OFAction>();
	if (sw.hasAttribute(IOFSwitch.PROP_SUPPORTS_OFPP_FLOOD)) {
		actions.add(sw.getOFFactory().actions().output(OFPort.FLOOD, Integer.MAX_VALUE)); // FLOOD is a more selective/efficient version of ALL
	} else {
		actions.add(sw.getOFFactory().actions().output(OFPort.ALL, Integer.MAX_VALUE));
	}
	pob.setActions(actions);

	// set buffer-id, in-port and packet-data based on packet-in
	pob.setBufferId(OFBufferId.NO_BUFFER);
	pob.setInPort(inPort);
	pob.setData(pi.getData());

	try {
		if (log.isTraceEnabled()) {
			log.trace("Writing flood PacketOut switch={} packet-in={} packet-out={}",
					new Object[] {sw, pi, pob.build()});
		}
		messageDamper.write(sw, pob.build());
	} catch (IOException e) {
		log.error("Failure writing PacketOut switch={} packet-in={} packet-out={}",
				new Object[] {sw, pi, pob.build()}, e);
	}

	return;
}
 
开发者ID:nsg-ethz,项目名称:iTAP-controller,代码行数:54,代码来源:Forwarding.java


注:本文中的net.floodlightcontroller.core.IOFSwitch.hasAttribute方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。