package com.genersoft.iot.vmp.gb28181.event.offline; 
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import com.genersoft.iot.vmp.conf.RedisKeyExpirationEventMessageListener; 
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import com.genersoft.iot.vmp.conf.UserSetting; 
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import com.genersoft.iot.vmp.gb28181.bean.Device; 
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import com.genersoft.iot.vmp.gb28181.bean.ParentPlatform; 
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import com.genersoft.iot.vmp.gb28181.event.SipSubscribe; 
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import com.genersoft.iot.vmp.storager.IVideoManagerStorage; 
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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.data.redis.connection.Message; 
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import org.springframework.data.redis.listener.RedisMessageListenerContainer; 
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import org.springframework.stereotype.Component; 
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import com.genersoft.iot.vmp.common.VideoManagerConstants; 
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import com.genersoft.iot.vmp.gb28181.event.EventPublisher; 
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/**     
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 * @description:设备心跳超时监听,借助redis过期特性,进行监听,监听到说明设备心跳超时,发送离线事件 
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 * @author: swwheihei 
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 * @date:   2020年5月6日 上午11:35:46      
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 */ 
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@Component 
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public class KeepaliveTimeoutListenerForPlatform extends RedisKeyExpirationEventMessageListener { 
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    private Logger logger = LoggerFactory.getLogger(KeepaliveTimeoutListenerForPlatform.class); 
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    @Autowired 
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    private EventPublisher publisher; 
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    @Autowired 
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    private UserSetting userSetting; 
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    @Autowired 
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    private SipSubscribe sipSubscribe; 
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    @Autowired 
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    private IVideoManagerStorage storager; 
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    public KeepaliveTimeoutListenerForPlatform(RedisMessageListenerContainer listenerContainer, UserSetting userSetting) { 
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        super(listenerContainer, userSetting); 
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    } 
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    /** 
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     * 监听失效的key 
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     * @param message 
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     * @param pattern 
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     */ 
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    @Override 
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    public void onMessage(Message message, byte[] pattern) { 
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        //  获取失效的key 
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        String expiredKey = message.toString(); 
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        // 平台心跳到期,需要重发, 判断是否已经多次未收到心跳回复, 多次未收到,则重新发起注册, 注册尝试多次未得到回复,则认为平台离线 
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        String PLATFORM_KEEPLIVEKEY_PREFIX = VideoManagerConstants.PLATFORM_KEEPALIVE_PREFIX + userSetting.getServerId() + "_"; 
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        String PLATFORM_REGISTER_PREFIX = VideoManagerConstants.PLATFORM_REGISTER_PREFIX + userSetting.getServerId() + "_"; 
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        String KEEPLIVEKEY_PREFIX = VideoManagerConstants.KEEPLIVEKEY_PREFIX + userSetting.getServerId() + "_"; 
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        String REGISTER_INFO_PREFIX = VideoManagerConstants.PLATFORM_REGISTER_INFO_PREFIX + userSetting.getServerId() + "_"; 
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        if (expiredKey.startsWith(PLATFORM_KEEPLIVEKEY_PREFIX)) { 
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            String platformGBId = expiredKey.substring(PLATFORM_KEEPLIVEKEY_PREFIX.length(),expiredKey.length()); 
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            ParentPlatform platform = storager.queryParentPlatByServerGBId(platformGBId); 
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            if (platform != null) { 
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                publisher.platformKeepaliveExpireEventPublish(platformGBId); 
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            } 
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        }else if (expiredKey.startsWith(PLATFORM_REGISTER_PREFIX)) { 
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            String platformGBId = expiredKey.substring(PLATFORM_REGISTER_PREFIX.length(),expiredKey.length()); 
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            ParentPlatform platform = storager.queryParentPlatByServerGBId(platformGBId); 
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            if (platform != null) { 
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                publisher.platformRegisterCycleEventPublish(platformGBId); 
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            } 
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        }else if (expiredKey.startsWith(KEEPLIVEKEY_PREFIX)){ 
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            String deviceId = expiredKey.substring(KEEPLIVEKEY_PREFIX.length(),expiredKey.length()); 
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            Device device = storager.queryVideoDevice(deviceId); 
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            if (device != null) { 
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                publisher.outlineEventPublish(deviceId, KEEPLIVEKEY_PREFIX); 
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            } 
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        }else if (expiredKey.startsWith(REGISTER_INFO_PREFIX)) { 
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            String callId = expiredKey.substring(REGISTER_INFO_PREFIX.length()); 
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            if (sipSubscribe.getErrorSubscribe(callId) != null) { 
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                SipSubscribe.EventResult eventResult = new SipSubscribe.EventResult(); 
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                eventResult.callId = callId; 
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                eventResult.msg = "注册超时"; 
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                eventResult.type = "register timeout"; 
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                sipSubscribe.getErrorSubscribe(callId).response(eventResult); 
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            } 
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        } 
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    } 
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} 
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