add easylogging

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "lib/src/libtins"]
 	path = lib/src/libtins
 	url = https://github.com/mfontanini/libtins.git
+[submodule "lib/src/easyloggingpp"]
+	path = lib/src/easyloggingpp
+	url = git@github.com:easylogging/easyloggingpp.git

CMakeLists.txt

@@ -2,6 +2,7 @@ cmake_minimum_required(VERSION 3.3.2)
 project (121Nat)
 INCLUDE_DIRECTORIES(lib/src/jsoncpp/include)
 INCLUDE_DIRECTORIES(lib/src/libtins/include)
+INCLUDE_DIRECTORIES(lib/src/easyloggingpp/src/)
 ADD_SUBDIRECTORY(src)
 ADD_SUBDIRECTORY(lib/src/jsoncpp)
 ADD_SUBDIRECTORY(lib/src/libtins)

src/CMakeLists.txt

@@ -1,5 +1,5 @@
 file(GLOB_RECURSE 121Nat_Src_Files "*.h" "*.cpp")
-add_executable(121Nat ${121Nat_Src_Files})
+add_executable(121Nat ${121Nat_Src_Files} ../lib/src/easyloggingpp/src/easylogging++.h)
 target_link_libraries (121Nat pthread tins jsoncpp_lib_static)
 
 

src/main.cpp

@@ -7,6 +7,9 @@
 #include <json/json.h>
 #include <json/value.h>
 #include <fstream>
+#include "easylogging++.h"
+
+INITIALIZE_EASYLOGGINGPP
 
 template<typename Container>
 void delete_them(Container& c)
@@ -22,7 +25,7 @@ int main(int argc, char** argv)
     if (argc < 2){
         return 0;
     }
-
+    LOG(INFO) << "Hello, world";
     otonat::NatMap::NatRangeList interfaceList;
     std::ifstream config_doc(argv[1], std::ifstream::binary);
     Json::Value root;