check if hw configs exist

src/libEquipConf/DataSinkConf.cpp

@@ -40,6 +40,9 @@ void DataSinkConf::setHardwareConfig(const std::string& hardwareConfigFile)
 {
   //load JSON object from file
   std::ifstream i(hardwareConfigFile);
+  if(!i.good()) {
+    throw std::runtime_error("Provided datasink configuration file \"" + hardwareConfigFile + "\" could not be found or opened");
+  }
   i >> m_hardwareConfig;
 }
 

src/libEquipConf/EquipConf.cpp

@@ -38,6 +38,9 @@ void EquipConf::setHardwareConfig(const std::string& hardwareConfigFile)
 {
   //load JSON object from file
   std::ifstream i(hardwareConfigFile);
+  if(!i.good()) {
+    throw std::runtime_error("Provided equipment configuration file \"" + hardwareConfigFile + "\" could not be found or opened");
+  }
   i >> m_hardwareConfig;
 }