From 7462e2776bc064748c6ddfd9dd53d07b498e1a42 Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期四, 15 九月 2022 10:49:31 +0800
Subject: [PATCH] Merge pull request #608 from wenyanjun/wvp-28181-2.0

---
 src/main/java/com/genersoft/iot/vmp/gb28181/event/SipSubscribe.java |   38 ++++++++++++++++++++++++++++++--------
 1 files changed, 30 insertions(+), 8 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 3d817c3..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
@@ -59,9 +59,25 @@
         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();
@@ -85,32 +101,32 @@
 
             }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;
             }
         }
     }
@@ -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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