Check file persistence

src/configfilemanager.cpp

@@ -0,0 +1 @@
+#include "configfilemanager.h"

src/configfilemanager.h

@@ -16,9 +16,16 @@ public:
     configfilemanager(std::string filepath = "./ncsambawatcher.config")
     {
         std::ifstream is(filepath);
-        std::string tmp;
-        while(std::getline(is, tmp))
+        if(!is.good())
         {
+            std::cerr << "File not exits: " << filepath << std::endl;
+            exit(EXIT_FAILURE);
+        }
+        std::string tmp;
+
+        while(!is.eof())
+        {
+            std::getline(is, tmp);
             if (tmp.at(0) == '#') // ignore comments
                 continue;
             
@@ -31,6 +38,8 @@ public:
 
             configs.insert(std::make_pair(splited.at(0), splited.at(1)));           
         }
+
+        std::cout << "Config file loaded successfuly" << std::endl;
     }
 
     std::string at(const std::string &config)