From 9acb4a5135db19d7086bb93cf5ca64f83f0806cb Mon Sep 17 00:00:00 2001
From: neodarz <neodarz@neodarz.net>
Date: Thu, 13 Aug 2020 08:09:10 +0200
Subject: Use an external library for logging

This library has an asynchronous mode who can be useful for speed
issues.
---
 CMakeLists.txt |  7 ++++++-
 README.md      |  1 +
 main.cpp       | 19 ++++++++++---------
 shared.h       |  1 +
 4 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3b03a34..8cc6265 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,8 +61,11 @@ or
 /usr/local/lib")
 endif(NOT RESTBED_FOUND)
 
+if(NOT TARGET spdlog)
+    find_package(spdlog REQUIRED)
+endif()
 
-add_executable(umosapi main.cpp config.cpp api/umosapi.cpp db/mongo_access.cpp db/uobject.cpp api/umosapi.h config.h db/mongo_access.h db/uobject.h shared.h)
+add_executable(umosapi main.cpp config.cpp api/umosapi.cpp db/mongo_access.cpp db/uobject.cpp api/umosapi.h config.h db/mongo_access.h db/uobject.h shared.h logging.h)
 
 set_property(TARGET umosapi PROPERTY CXX_STANDARD 17)
 
@@ -77,3 +80,5 @@ target_link_libraries(umosapi PUBLIC ${JSONC_LIBRARIES})
 
 target_include_directories(umosapi PUBLIC ${RESTBED_INCLUDE_DIRS})
 target_link_libraries(umosapi PUBLIC ${RESTBED_LIBRARIES})
+
+target_link_libraries(umosapi PUBLIC spdlog::spdlog)
diff --git a/README.md b/README.md
index 6c8d961..78a0a75 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ Install:
 - json-c
 - nlohmann/json
 - mongocxx
+- spdlog
 
 ### Why two json lib ?
 
diff --git a/main.cpp b/main.cpp
index 2ca3399..41e56b6 100644
--- a/main.cpp
+++ b/main.cpp
@@ -4,7 +4,9 @@
 #include <pwd.h>
 
 #include "clara.hpp"
+
 #include "shared.h"
+#include "logging.h"
 #include "config.h"
 #include "api/umosapi.h"
 
@@ -43,23 +45,22 @@ int main(int argc, char *argv[]) {
         exit(1);
     }
 
-    std::cout << "INFO: Using " << std::thread::hardware_concurrency() << " cores";
-    std::cout << " - " << thr << " threads" << std::endl;
-    std::cout << "INFO: Listen on 0.0.0.0:" << config["port"] << std::endl;
+    spdlog::info("Using {} cores - {} threads", std::thread::hardware_concurrency(), thr);
+    spdlog::info("Listen on 0.0.0.0:{}", config["port"]);
 
-    std::cout << "INFO: Using config file '" << config_path << "'" << std::endl;
+    spdlog::info("Using config file '{}'", config_path);
 
     if (!std::filesystem::exists(config_path)) {
-        std::cout << "ERROR: Error fatal : config file '" << config_path << "' not found" << std::endl;
-        std::cout << "ERROR: config.txt is search here: ~/.config/umosapi/config.txt" << std::endl;
+        spdlog::error("Error fatal: config file '{}' not found", config_path);
+        spdlog::error("config.txt is searched here: ~/.config/umosapi.config.txt");
         exit (EXIT_FAILURE);
     }
 
     load_config(config_path);
 
-    std::cout << "Using swaggerui " << config["swaggerui"] << " path" << std::endl;
-    std::cout << "INFO: No support for swagger for the moment" << std::endl;
-    std::cout << "INFO: Using mongoURI " << config["mongoURI"] << std::endl;
+    spdlog::info("Using swaggerui {} path", config["swaggerui"]);
+    spdlog::warn("No support for swagger for the moment");
+    spdlog::info("Using mongoURI {}", config["mongoURI"]);
 
     UmosapiService::Api umosapi;
     umosapi.init();
diff --git a/shared.h b/shared.h
index 5ee3d78..5a485be 100644
--- a/shared.h
+++ b/shared.h
@@ -2,6 +2,7 @@
 #define SHARED_H_
 
 #include <map>
+
 #include "db/mongo_access.h"
 
 extern std::map<std::string, std::string> config;
-- 
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