From 221f99c764b51c3cd284c6e5a41492c26c5c7ffc Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期五, 09 九月 2022 17:06:19 +0800
Subject: [PATCH] 优化sip消息

---
 src/main/java/com/genersoft/iot/vmp/gb28181/event/SipSubscribe.java |   76 ++++++++++++++++++++++++-------------
 1 files changed, 49 insertions(+), 27 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
index 49c52d5..b3fd82e 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/event/SipSubscribe.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/event/SipSubscribe.java
@@ -9,11 +9,14 @@
 import javax.sip.*;
 import javax.sip.header.CallIdHeader;
 import javax.sip.message.Response;
-import java.util.Calendar;
-import java.util.Date;
+import java.time.Instant;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.TimeUnit;
 
+/**
+ * @author lin
+ */
 @Component
 public class SipSubscribe {
 
@@ -23,45 +26,58 @@
 
     private Map<String, SipSubscribe.Event> okSubscribes = new ConcurrentHashMap<>();
 
-    private Map<String, Date> okTimeSubscribes = new ConcurrentHashMap<>();
-    private Map<String, Date> errorTimeSubscribes = new ConcurrentHashMap<>();
+    private Map<String, Instant> okTimeSubscribes = new ConcurrentHashMap<>();
+    private Map<String, Instant> errorTimeSubscribes = new ConcurrentHashMap<>();
 
     //    @Scheduled(cron="*/5 * * * * ?")   //姣忎簲绉掓墽琛屼竴娆�
-//    @Scheduled(fixedRate= 100 * 60 * 60 )
+    //    @Scheduled(fixedRate= 100 * 60 * 60 )
     @Scheduled(cron="0 0/5 * * * ?")   //姣�5鍒嗛挓鎵ц涓�娆�
     public void execute(){
-        logger.info("[瀹氭椂浠诲姟] 娓呯悊杩囨湡鐨勮闃呬俊鎭�");
-        Calendar calendar = Calendar.getInstance();
-        calendar.setTime(new Date());
-        calendar.set(Calendar.MINUTE, calendar.get(Calendar.MINUTE) - 5);
+        logger.info("[瀹氭椂浠诲姟] 娓呯悊杩囨湡鐨凷IP璁㈤槄淇℃伅");
+
+        Instant instant = Instant.now().minusMillis(TimeUnit.MINUTES.toMillis(5));
 
         for (String key : okTimeSubscribes.keySet()) {
-            if (okTimeSubscribes.get(key).before(calendar.getTime())){
-//                logger.info("[瀹氭椂浠诲姟] 娓呯悊杩囨湡鐨勮闃呬俊鎭細 {}", key);
+            if (okTimeSubscribes.get(key).isBefore(instant)){
                 okSubscribes.remove(key);
                 okTimeSubscribes.remove(key);
             }
         }
         for (String key : errorTimeSubscribes.keySet()) {
-            if (errorTimeSubscribes.get(key).before(calendar.getTime())){
-//                logger.info("[瀹氭椂浠诲姟] 娓呯悊杩囨湡鐨勮闃呬俊鎭細 {}", key);
+            if (errorTimeSubscribes.get(key).isBefore(instant)){
                 errorSubscribes.remove(key);
                 errorTimeSubscribes.remove(key);
             }
         }
-        logger.info("okTimeSubscribes.size:{}",okTimeSubscribes.size());
-        logger.info("okSubscribes.size:{}",okSubscribes.size());
-        logger.info("errorTimeSubscribes.size:{}",errorTimeSubscribes.size());
-        logger.info("errorSubscribes.size:{}",errorSubscribes.size());
+        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{
+        // 瓒呮椂
+        timeout,
+        // 鍥炲
+        response,
+        // 浜嬪姟宸茬粨鏉�
+        transactionTerminated,
+        // 浼氳瘽宸茬粨鏉�
+        dialogTerminated,
+        // 璁惧鏈壘鍒�
+        deviceNotFoundEvent
+    }
+
     public static class EventResult<EventObject>{
         public int statusCode;
-        public String type;
+        public EventResultType type;
         public String msg;
         public String callId;
         public Dialog dialog;
@@ -76,7 +92,7 @@
                 ResponseEvent responseEvent = (ResponseEvent)event;
                 Response response = responseEvent.getResponse();
                 this.dialog = responseEvent.getDialog();
-                this.type = "response";
+                this.type = EventResultType.response;
                 if (response != null) {
                     this.msg = response.getReasonPhrase();
                     this.statusCode = response.getStatusCode();
@@ -85,44 +101,44 @@
 
             }else if (event instanceof TimeoutEvent) {
                 TimeoutEvent timeoutEvent = (TimeoutEvent)event;
-                this.type = "timeout";
+                this.type = EventResultType.timeout;
                 this.msg = "娑堟伅瓒呮椂鏈洖澶�";
                 this.statusCode = -1024;
-                this.callId = timeoutEvent.getClientTransaction().getDialog().getCallId().getCallId();
                 this.dialog = timeoutEvent.getClientTransaction().getDialog();
+                this.callId = this.dialog != null?timeoutEvent.getClientTransaction().getDialog().getCallId().getCallId(): null;
             }else if (event instanceof TransactionTerminatedEvent) {
                 TransactionTerminatedEvent transactionTerminatedEvent = (TransactionTerminatedEvent)event;
-                this.type = "transactionTerminated";
+                this.type = EventResultType.transactionTerminated;
                 this.msg = "浜嬪姟宸茬粨鏉�";
                 this.statusCode = -1024;
                 this.callId = transactionTerminatedEvent.getClientTransaction().getDialog().getCallId().getCallId();
                 this.dialog = transactionTerminatedEvent.getClientTransaction().getDialog();
             }else if (event instanceof DialogTerminatedEvent) {
                 DialogTerminatedEvent dialogTerminatedEvent = (DialogTerminatedEvent)event;
-                this.type = "dialogTerminated";
+                this.type = EventResultType.dialogTerminated;
                 this.msg = "浼氳瘽宸茬粨鏉�";
                 this.statusCode = -1024;
                 this.callId = dialogTerminatedEvent.getDialog().getCallId().getCallId();
                 this.dialog = dialogTerminatedEvent.getDialog();
             }else if (event instanceof DeviceNotFoundEvent) {
                 DeviceNotFoundEvent deviceNotFoundEvent = (DeviceNotFoundEvent)event;
-                this.type = "deviceNotFoundEvent";
+                this.type = EventResultType.deviceNotFoundEvent;
                 this.msg = "璁惧鏈壘鍒�";
                 this.statusCode = -1024;
-                this.callId = deviceNotFoundEvent.getDialog().getCallId().getCallId();
                 this.dialog = deviceNotFoundEvent.getDialog();
+                this.callId = this.dialog != null ?deviceNotFoundEvent.getDialog().getCallId().getCallId() : null;
             }
         }
     }
 
     public void addErrorSubscribe(String key, SipSubscribe.Event event) {
         errorSubscribes.put(key, event);
-        errorTimeSubscribes.put(key, new Date());
+        errorTimeSubscribes.put(key, Instant.now());
     }
 
     public void addOkSubscribe(String key, SipSubscribe.Event event) {
         okSubscribes.put(key, event);
-        okTimeSubscribes.put(key, new Date());
+        okTimeSubscribes.put(key, Instant.now());
     }
 
     public SipSubscribe.Event getErrorSubscribe(String key) {
@@ -130,6 +146,9 @@
     }
 
     public void removeErrorSubscribe(String key) {
+        if(key == null){
+            return;
+        }
         errorSubscribes.remove(key);
         errorTimeSubscribes.remove(key);
     }
@@ -139,6 +158,9 @@
     }
 
     public void removeOkSubscribe(String key) {
+        if(key == null){
+            return;
+        }
         okSubscribes.remove(key);
         okTimeSubscribes.remove(key);
     }

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