package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.notify.cmd;
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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.EventPublisher;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.IMessageHandler;
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import com.genersoft.iot.vmp.gb28181.transmit.event.request.impl.message.notify.NotifyMessageHandler;
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import com.genersoft.iot.vmp.service.IDeviceService;
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import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
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import com.genersoft.iot.vmp.storager.IVideoManagerStorage;
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import com.genersoft.iot.vmp.utils.DateUtil;
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import org.dom4j.Element;
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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.InitializingBean;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import org.springframework.util.ObjectUtils;
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import org.springframework.util.StringUtils;
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import javax.sip.InvalidArgumentException;
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import javax.sip.RequestEvent;
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import javax.sip.SipException;
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import javax.sip.header.ViaHeader;
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import javax.sip.message.Response;
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import java.text.ParseException;
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/**
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* 状态信息(心跳)报送
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*/
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@Component
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public class KeepaliveNotifyMessageHandler extends SIPRequestProcessorParent implements InitializingBean, IMessageHandler {
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private Logger logger = LoggerFactory.getLogger(KeepaliveNotifyMessageHandler.class);
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private final static String cmdType = "Keepalive";
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@Autowired
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private NotifyMessageHandler notifyMessageHandler;
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@Autowired
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private IDeviceService deviceService;
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@Override
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public void afterPropertiesSet() throws Exception {
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notifyMessageHandler.addHandler(cmdType, this);
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}
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@Override
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public void handForDevice(RequestEvent evt, Device device, Element element) {
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if (device == null) {
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// 未注册的设备不做处理
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return;
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}
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// 回复200 OK
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try {
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responseAck(getServerTransaction(evt), Response.OK);
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} catch (SipException | InvalidArgumentException | ParseException e) {
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logger.error("[命令发送失败] 国标级联 心跳回复: {}", e.getMessage());
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}
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// 判断RPort是否改变，改变则说明路由nat信息变化，修改设备信息
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// 获取到通信地址等信息
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ViaHeader viaHeader = (ViaHeader) evt.getRequest().getHeader(ViaHeader.NAME);
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String received = viaHeader.getReceived();
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int rPort = viaHeader.getRPort();
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// 解析本地地址替代
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if (ObjectUtils.isEmpty(received) || rPort == -1) {
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received = viaHeader.getHost();
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rPort = viaHeader.getPort();
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}
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if (device.getPort() != rPort) {
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device.setPort(rPort);
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device.setHostAddress(received.concat(":").concat(String.valueOf(rPort)));
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}
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device.setKeepaliveTime(DateUtil.getNow());
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if (device.getOnline() == 1) {
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deviceService.updateDevice(device);
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}else {
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// 对于已经离线的设备判断他的注册是否已经过期
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if (!deviceService.expire(device)){
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deviceService.online(device);
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}
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}
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}
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@Override
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public void handForPlatform(RequestEvent evt, ParentPlatform parentPlatform, Element element) {
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// 不会收到上级平台的心跳信息
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}
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}
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