648540858
4 years ago
committed by
GitHub
10 changed files with 214 additions and 21 deletions
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package com.genersoft.iot.vmp.gb28181.event.alarm; |
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import com.genersoft.iot.vmp.gb28181.bean.DeviceAlarm; |
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import org.springframework.context.ApplicationEvent; |
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/** |
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* @description: 报警事件 |
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* @author: lawrencehj |
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* @data: 2021-01-20 |
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*/ |
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public class AlarmEvent extends ApplicationEvent { |
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public AlarmEvent(Object source) { |
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super(source); |
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} |
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private DeviceAlarm deviceAlarm; |
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public DeviceAlarm getAlarmInfo() { |
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return deviceAlarm; |
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} |
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public void setAlarmInfo(DeviceAlarm deviceAlarm) { |
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this.deviceAlarm = deviceAlarm; |
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} |
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} |
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package com.genersoft.iot.vmp.gb28181.event.alarm; |
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import org.springframework.context.ApplicationListener; |
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import org.springframework.stereotype.Component; |
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import org.springframework.web.servlet.mvc.method.annotation.SseEmitter; |
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import java.io.IOException; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/** |
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* @description: 报警事件监听 |
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* @author: lawrencehj |
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* @data: 2021-01-20 |
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*/ |
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@Component |
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public class AlarmEventListener implements ApplicationListener<AlarmEvent> { |
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private final static Logger logger = LoggerFactory.getLogger(AlarmEventListener.class); |
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private static SseEmitter emitter = new SseEmitter(); |
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public void addSseEmitters(SseEmitter sseEmitter) { |
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emitter = sseEmitter; |
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} |
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@Override |
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public void onApplicationEvent(AlarmEvent event) { |
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if (logger.isDebugEnabled()) { |
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logger.debug("设备报警事件触发,deviceId:" + event.getAlarmInfo().getDeviceId() + ", " |
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+ event.getAlarmInfo().getAlarmDescription()); |
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} |
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try { |
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String msg = "<strong>设备编码:</strong> <i>" + event.getAlarmInfo().getDeviceId() + "</i>" |
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+ "<br><strong>报警描述:</strong> <i>" + event.getAlarmInfo().getAlarmDescription() + "</i>" |
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+ "<br><strong>报警时间:</strong> <i>" + event.getAlarmInfo().getAlarmTime() + "</i>" |
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+ "<br><strong>定位经度:</strong> <i>" + event.getAlarmInfo().getLongitude() + "</i>" |
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+ "<br><strong>定位纬度:</strong> <i>" + event.getAlarmInfo().getLatitude() + "</i>"; |
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emitter.send(msg); |
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} catch (IOException e) { |
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if (logger.isDebugEnabled()) { |
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logger.debug("SSE 通道已关闭"); |
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} |
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// e.printStackTrace();
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} |
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} |
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} |
@ -0,0 +1,32 @@ |
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package com.genersoft.iot.vmp.vmanager.SEEController; |
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import com.genersoft.iot.vmp.gb28181.event.alarm.AlarmEventListener; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.stereotype.Controller; |
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import org.springframework.web.bind.annotation.RequestMapping; |
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import org.springframework.web.servlet.mvc.method.annotation.SseEmitter; |
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/** |
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* @description: SSE推送 |
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* @author: lawrencehj |
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* @data: 2021-01-20 |
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*/ |
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@Controller |
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@RequestMapping("/api") |
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public class SEEController { |
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@Autowired |
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AlarmEventListener alarmEventListener; |
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//设置响应
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@RequestMapping("/emit") |
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public SseEmitter emit() { |
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SseEmitter sseEmitter = new SseEmitter(0L); |
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try { |
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alarmEventListener.addSseEmitters(sseEmitter); |
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}catch (Exception e){ |
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sseEmitter.completeWithError(e); |
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} |
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return sseEmitter; |
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} |
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} |
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