Add check recon connection and restart create recon record.

src/recon/ReconClient.cpp

@@ -6,6 +6,7 @@
 #include <string>
 namespace {
     const char* CREATE_URL = "/Scan/Create/";
+    const char* CHECK_URL = "/v/";
     const char* QUERY_SCAN_URL = "/Scan/Query/";
     const char* QUERY_VERSION_URL = "/Version/";
     const char* QUERY_RECON_URL = "/Task/Query/";
@@ -30,7 +31,22 @@ namespace Recon {
     {
         mHost = aHost;
     }
-    
+
+    RequestResult ReconClient::CheckActive(){
+        std::string content;
+        content.append("1");
+        auto resp = mRequest.post(mHost+CHECK_URL,content,mHeaders);
+        if (resp->httpCode() == 200){
+            delete resp;
+            return RequestResult::Success();
+        }
+        else{
+            mErrorMessage = resp->getContent();
+            delete resp;
+            return RequestResult::Fail(mErrorMessage);
+        }
+    }
+
     RequestResult ReconClient::Create( const Scan& aScan)
     {
         cJSON * obj = cJSON_CreateObject();