From f1d079f9c0b3d384090477ca54e0548373d62b57 Mon Sep 17 00:00:00 2001
From: zhongrj <646384940@qq.com>
Date: Thu, 16 Jan 2025 11:56:39 +0800
Subject: [PATCH] 配置修改

---
 src/main/java/com/genersoft/iot/vmp/gb28181/event/SipSubscribe.java |  172 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 172 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/event/SipSubscribe.java b/src/main/java/com/genersoft/iot/vmp/gb28181/event/SipSubscribe.java
new file mode 100644
index 0000000..e5b995e
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/event/SipSubscribe.java
@@ -0,0 +1,172 @@
+package com.genersoft.iot.vmp.gb28181.event;
+
+import com.genersoft.iot.vmp.gb28181.bean.DeviceNotFoundEvent;
+import gov.nist.javax.sip.message.SIPRequest;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+import javax.sip.*;
+import javax.sip.header.CallIdHeader;
+import javax.sip.message.Response;
+import java.text.ParseException;
+import java.time.Instant;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * @author lin
+ */
+@Component
+public class SipSubscribe {
+
+    private final Logger logger = LoggerFactory.getLogger(SipSubscribe.class);
+
+    private Map<String, SipSubscribe.Event> errorSubscribes = new ConcurrentHashMap<>();
+
+    private Map<String, SipSubscribe.Event> okSubscribes = new ConcurrentHashMap<>();
+
+    private Map<String, Instant> okTimeSubscribes = new ConcurrentHashMap<>();
+    private Map<String, Instant> errorTimeSubscribes = new ConcurrentHashMap<>();
+
+    //    @Scheduled(cron="*/5 * * * * ?")   //每五秒执行一次
+    //    @Scheduled(fixedRate= 100 * 60 * 60 )
+    @Scheduled(cron="0 0/5 * * * ?")   //每5分钟执行一次
+    public void execute(){
+        logger.info("[定时任务] 清理过期的SIP订阅信息");
+
+        Instant instant = Instant.now().minusMillis(TimeUnit.MINUTES.toMillis(5));
+
+        for (String key : okTimeSubscribes.keySet()) {
+            if (okTimeSubscribes.get(key).isBefore(instant)){
+                okSubscribes.remove(key);
+                okTimeSubscribes.remove(key);
+            }
+        }
+        for (String key : errorTimeSubscribes.keySet()) {
+            if (errorTimeSubscribes.get(key).isBefore(instant)){
+                errorSubscribes.remove(key);
+                errorTimeSubscribes.remove(key);
+            }
+        }
+        logger.debug("okTimeSubscribes.size:{}",okTimeSubscribes.size());
+        logger.debug("okSubscribes.size:{}",okSubscribes.size());
+        logger.debug("errorTimeSubscribes.size:{}",errorTimeSubscribes.size());
+        logger.debug("errorSubscribes.size:{}",errorSubscribes.size());
+    }
+
+    public interface Event { void response(EventResult eventResult) ;
+    }
+
+    /**
+     *
+     */
+    public enum EventResultType{
+        // 超时
+        timeout,
+        // 回复
+        response,
+        // 事务已结束
+        transactionTerminated,
+        // 会话已结束
+        dialogTerminated,
+        // 设备未找到
+        deviceNotFoundEvent
+    }
+
+    public static class EventResult<EventObject>{
+        public int statusCode;
+        public EventResultType type;
+        public String msg;
+        public String callId;
+        public EventObject event;
+
+        public EventResult(EventObject event) {
+            this.event = event;
+            if (event instanceof ResponseEvent) {
+                ResponseEvent responseEvent = (ResponseEvent)event;
+                Response response = responseEvent.getResponse();
+                this.type = EventResultType.response;
+                if (response != null) {
+                    this.msg = response.getReasonPhrase();
+                    this.statusCode = response.getStatusCode();
+                }
+                this.callId = ((CallIdHeader)response.getHeader(CallIdHeader.NAME)).getCallId();
+
+            }else if (event instanceof TimeoutEvent) {
+                TimeoutEvent timeoutEvent = (TimeoutEvent)event;
+                this.type = EventResultType.timeout;
+                this.msg = "消息超时未回复";
+                this.statusCode = -1024;
+                if (timeoutEvent.isServerTransaction()) {
+                    this.callId = ((SIPRequest)timeoutEvent.getServerTransaction().getRequest()).getCallIdHeader().getCallId();
+                }else {
+                    this.callId = ((SIPRequest)timeoutEvent.getClientTransaction().getRequest()).getCallIdHeader().getCallId();
+                }
+            }else if (event instanceof TransactionTerminatedEvent) {
+                TransactionTerminatedEvent transactionTerminatedEvent = (TransactionTerminatedEvent)event;
+                this.type = EventResultType.transactionTerminated;
+                this.msg = "事务已结束";
+                this.statusCode = -1024;
+                if (transactionTerminatedEvent.isServerTransaction()) {
+                    this.callId = ((SIPRequest)transactionTerminatedEvent.getServerTransaction().getRequest()).getCallIdHeader().getCallId();
+                }else {
+                    this.callId = ((SIPRequest)transactionTerminatedEvent.getClientTransaction().getRequest()).getCallIdHeader().getCallId();
+                }
+            }else if (event instanceof DialogTerminatedEvent) {
+                DialogTerminatedEvent dialogTerminatedEvent = (DialogTerminatedEvent)event;
+                this.type = EventResultType.dialogTerminated;
+                this.msg = "会话已结束";
+                this.statusCode = -1024;
+                this.callId = dialogTerminatedEvent.getDialog().getCallId().getCallId();
+            }else if (event instanceof DeviceNotFoundEvent) {
+                this.type = EventResultType.deviceNotFoundEvent;
+                this.msg = "设备未找到";
+                this.statusCode = -1024;
+                this.callId = ((DeviceNotFoundEvent) event).getCallId();
+            }
+        }
+    }
+
+    public void addErrorSubscribe(String key, SipSubscribe.Event event) {
+        errorSubscribes.put(key, event);
+        errorTimeSubscribes.put(key, Instant.now());
+    }
+
+    public void addOkSubscribe(String key, SipSubscribe.Event event) {
+        okSubscribes.put(key, event);
+        okTimeSubscribes.put(key, Instant.now());
+    }
+
+    public SipSubscribe.Event getErrorSubscribe(String key) {
+        return errorSubscribes.get(key);
+    }
+
+    public void removeErrorSubscribe(String key) {
+        if(key == null){
+            return;
+        }
+        errorSubscribes.remove(key);
+        errorTimeSubscribes.remove(key);
+    }
+
+    public SipSubscribe.Event getOkSubscribe(String key) {
+        return okSubscribes.get(key);
+    }
+
+    public void removeOkSubscribe(String key) {
+        if(key == null){
+            return;
+        }
+        okSubscribes.remove(key);
+        okTimeSubscribes.remove(key);
+    }
+    public int getErrorSubscribesSize(){
+        return errorSubscribes.size();
+    }
+    public int getOkSubscribesSize(){
+        return okSubscribes.size();
+    }
+}

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