Added logging categories

.gitmodules

@@ -13,3 +13,6 @@
 [submodule "libs/json"]
 	path = libs/json
 	url = https://github.com/nlohmann/json.git
+[submodule "libs/spdlog"]
+	path = libs/spdlog
+	url = https://github.com/gabime/spdlog.git

CMakeLists.txt

@@ -30,6 +30,17 @@ include_directories(libs/json/include)
 add_subdirectory(libs/yaml-cpp)
 include_directories(libs/yaml-cpp/include)
 
+# Include AMQP-CPP (RabbitMQ).
+add_subdirectory(libs/AMQP-CPP)
+include_directories(libs/AMQP-CPP/include)
+
+# Include spdlog.
+add_subdirectory(libs/spdlog)
+include_directories(libs/spdlog/include)
+
+# Include Prometheus metrics.
+find_package(prometheus-cpp CONFIG REQUIRED)
+
 set(ARDOS_WANT_DB_SERVER ON CACHE BOOL "If on, Ardos will be built with the Database Server component.")
 if (ARDOS_WANT_DB_SERVER)
     # Include MongoDB driver.
@@ -42,13 +53,6 @@ if (ARDOS_WANT_DB_SERVER)
     add_definitions(-DARDOS_WANT_DB_SERVER)
 endif ()
 
-# Include AMQP-CPP (RabbitMQ).
-add_subdirectory(libs/AMQP-CPP)
-include_directories(libs/AMQP-CPP/include)
-
-# Include Prometheus metrics.
-find_package(prometheus-cpp CONFIG REQUIRED)
-
 # Optimize windows build.
 if (WIN32)
     add_definitions(-DNOMINMAX -DWIN32_LEAN_AND_MEAN -D_CRT_SECURE_NO_WARNINGS)

config.example.yml

@@ -1,6 +1,6 @@
-# Console output log level.
-# Options are verbose, info, warn, error or none.
-log-level: verbose
+# Global console output log level.
+# Options are debug, info, warn, error or none.
+log-level: info
 
 # DC (Distributed Class) file paths.
 # These should be kept in-sync globally.
@@ -42,6 +42,10 @@ uberdogs:
 # Web Panel configuration.
 # Can be accessed via the Ardos Web panel for debugging.
 web-panel:
+  # Components can have their own individual log level set.
+  # This will override the global log level set previously.
+  log-level: debug
+
   name: Ardos  # The cluster name to appear in the dashboard.
   port: 7781  # Port the WS connection listens on.
 

src/clientagent/client_agent.cpp

@@ -1,5 +1,7 @@
 #include "client_agent.h"
 
+#include <spdlog/sinks/stdout_color_sinks.h>
+
 #include "../util/config.h"
 #include "../util/globals.h"
 #include "../util/logger.h"
@@ -10,12 +12,19 @@
 namespace Ardos {
 
 ClientAgent::ClientAgent() {
-  Logger::Info("Starting Client Agent component...");
+  spdlog::info("Starting Client Agent component...");
 
   _listenHandle = g_loop->resource<uvw::tcp_handle>();
 
   auto config = Config::Instance()->GetNode("client-agent");
 
+  // Log configuration.
+  spdlog::stdout_color_mt("ca");
+  if (auto logLevel = config["log-level"]) {
+    spdlog::get("ca")->set_level(
+        Logger::LevelFromString(logLevel.as<std::string>()));
+  }
+
   // Listen configuration.
   if (auto hostParam = config["host"]) {
     _host = hostParam.as<std::string>();
@@ -54,9 +63,9 @@ ClientAgent::ClientAgent() {
     DCClass *dcc =
         g_dc_file->get_class_by_name(uberdog["class"].as<std::string>());
     if (!dcc) {
-      Logger::Error(std::format(
-          "[CA] UberDOG: {} Distributed Class: {} does not exist!",
-          uberdog["id"].as<uint32_t>(), uberdog["class"].as<std::string>()));
+      spdlog::get("ca")->error(
+          "UberDOG: {} Distributed Class: {} does not exist!",
+          uberdog["id"].as<uint32_t>(), uberdog["class"].as<std::string>());
       exit(1);
     }
 
@@ -134,7 +143,7 @@ ClientAgent::ClientAgent() {
   _listenHandle->bind(_host, _port);
   _listenHandle->listen();
 
-  Logger::Info(std::format("[CA] Listening on {}:{}", _host, _port));
+  spdlog::get("ca")->info("Listening on {}:{}", _host, _port);
 }
 
 /**