package com.genersoft.iot.vmp.gb28181.event.platformKeepaliveExpire;
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import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform;
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import com.genersoft.iot.vmp.gb28181.bean.ParentPlatformCatch;
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import com.genersoft.iot.vmp.gb28181.event.EventPublisher;
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import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;
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import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommanderForPlatform;
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import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
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import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
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import org.jetbrains.annotations.NotNull;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.ApplicationListener;
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import org.springframework.stereotype.Component;
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import javax.sip.ResponseEvent;
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import javax.sip.message.Response;
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/**
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* @description: 平台心跳超时事件
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* @author: panll
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* @date: 2020年11月5日 10:00
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*/
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@Component
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public class PlatformKeepaliveExpireEventLister implements ApplicationListener<PlatformKeepaliveExpireEvent> {
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private final static Logger logger = LoggerFactory.getLogger(PlatformKeepaliveExpireEventLister.class);
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@Autowired
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private IVideoManagerStorager storager;
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@Autowired
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private IRedisCatchStorage redisCatchStorage;
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@Autowired
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private ISIPCommanderForPlatform sipCommanderForPlatform;
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@Autowired
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private SipSubscribe sipSubscribe;
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@Autowired
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private EventPublisher publisher;
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@Override
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public void onApplicationEvent(@NotNull PlatformKeepaliveExpireEvent event) {
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if (logger.isDebugEnabled()) {
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logger.debug("平台心跳到期事件事件触发，平台国标ID：" + event.getPlatformGbID());
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}
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ParentPlatform parentPlatform = storager.queryParentPlatByServerGBId(event.getPlatformGbID());
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ParentPlatformCatch parentPlatformCatch = redisCatchStorage.queryPlatformCatchInfo(event.getPlatformGbID());
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if (parentPlatformCatch == null) {
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return;
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}
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if (parentPlatform == null) {
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logger.debug("平台心跳到期事件事件触发，但平台已经删除!!! 平台国标ID：" + event.getPlatformGbID());
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return;
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}
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parentPlatformCatch.setParentPlatform(parentPlatform);
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// 发送心跳
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if (parentPlatformCatch.getKeepAliveReply() >= 3) {
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// 有3次未收到心跳回复, 设置平台状态为离线, 开始重新注册
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logger.warn("有3次未收到心跳回复,标记设置平台状态为离线, 并重新注册 平台国标ID：" + event.getPlatformGbID());
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storager.updateParentPlatformStatus(event.getPlatformGbID(), false);
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publisher.platformNotRegisterEventPublish(event.getPlatformGbID());
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parentPlatformCatch.setKeepAliveReply(0);
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}else {
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// 再次发送心跳
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String callId = sipCommanderForPlatform.keepalive(parentPlatform);
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parentPlatformCatch.setKeepAliveReply( parentPlatformCatch.getKeepAliveReply() + 1);
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// 存储心跳信息, 并设置状态为未回复, 如果多次过期仍未收到回复,则认为上级平台已经离线
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redisCatchStorage.updatePlatformKeepalive(parentPlatform);
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redisCatchStorage.updatePlatformCatchInfo(parentPlatformCatch);
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sipSubscribe.addOkSubscribe(callId, (SipSubscribe.EventResult eventResult) ->{
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if (eventResult.statusCode == Response.OK) {
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// 收到心跳响应信息,
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parentPlatformCatch.setKeepAliveReply(0);
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redisCatchStorage.updatePlatformCatchInfo(parentPlatformCatch);
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}
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} );
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}
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}
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}
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