refactor example.cpp

example/example.cpp

@@ -6,15 +6,18 @@
 // spdlog usage example
 //
 #include "spdlog/spdlog.h"
-#include "spdlog/sinks/ansicolor_sink.h"
 
 #include <cstdlib> // EXIT_FAILURE
 #include <iostream>
 #include <memory>
 
+void async_example();
+void syslog_example();
+void color_example();
+
+namespace spd = spdlog;
 int main(int, char*[])
-{
-    namespace spd = spdlog;
+{    
     try
     {
         //Create console, multithreaded logger
@@ -33,85 +36,43 @@ int main(int, char*[])
         console->info("{:>30}", "right aligned");
         console->info("{:^30}", "centered");
 
-        //
+		spd::get("console")->info("loggers can be retrieved from a global registry using the spdlog::get(logger_name) function");
+
         // Runtime log levels
-        //
         spd::set_level(spd::level::info); //Set global log level to info
         console->debug("This message shold not be displayed!");
         console->set_level(spd::level::debug); // Set specific logger's log level
-        console->debug("Now it should..");
+        console->debug("This message shold be displayed..");
 
-        //
         // Create a file rotating logger with 5mb size max and 3 rotated files
-        //
         auto file_logger = spd::rotating_logger_mt("file_logger", "logs/mylogfile", 1048576 * 5, 3);
         for (int i = 0; i < 10; ++i)
             file_logger->info("{} * {} equals {:>10}", i, i, i*i);
 
-
-        //
         // Create a daily logger - a new file is created every day on 2:30am
-        //
         auto daily_logger = spd::daily_logger_mt("daily_logger", "logs/daily", 2, 30);
 
-        //
         // Customize msg format for all messages
-        //
         spd::set_pattern("*** [%H:%M:%S %z] [thread %t] %v ***");
         file_logger->info("This is another message with custom format");
+        
 
-        spd::get("console")->info("loggers can be retrieved from a global registry using the spdlog::get(logger_name) function");
-
-        //
         // Compile time debug or trace macros.
         // Enabled #ifdef SPDLOG_DEBUG_ON or #ifdef SPDLOG_TRACE_ON
-        //
         SPDLOG_TRACE(console, "Enabled only #ifdef SPDLOG_TRACE_ON..{} ,{}", 1, 3.23);
         SPDLOG_DEBUG(console, "Enabled only #ifdef SPDLOG_DEBUG_ON.. {} ,{}", 1, 3.23);
 
-        //
         // Asynchronous logging is very fast..
         // Just call spdlog::set_async_mode(q_size) and all created loggers from now on will be asynchronous..
-        //
-        size_t q_size = 1048576; //queue size must be power of 2
-        spdlog::set_async_mode(q_size);
-        auto async_file = spd::daily_logger_st("async_file_logger", "logs/async_log.txt");
-        for (int i = 0; i < 100; ++i)
-            async_file->info("Async message #{}", i);
-
-        //
-        // syslog example. linux only..
-        //
-#ifdef __linux__
-        std::string ident = "spdlog-example";
-        auto syslog_logger = spd::syslog_logger("syslog", ident, LOG_PID);
-        syslog_logger->warn("This is warning that will end up in syslog. This is Linux only!");
-#endif
+		async_example();
+
+        // syslog example. linux/osx only..
+		syslog_example();
 
-        //
-        // ANSI color logging (OS X and Linux. Windows only if ansi.sys is loaded.)
-        //
-
-        // Create a sink to add colors to.
-        auto console_out = spdlog::sinks::stderr_sink_st::instance();
-        auto color_sink = std::make_shared<spd::sinks::ansicolor_sink>(console_out);  // wraps around another sink
-        auto color_logger = spd::details::registry::instance().create("Color", color_sink);
-        color_logger->set_level(spd::level::trace);
-        color_sink->setColor(spd::level::info, color_sink->bold + color_sink->green);
-        color_logger->info("Testing color logger...");
-        color_logger->trace("Trace");
-        color_logger->debug("Debug");
-        color_logger->info("Info");
-        color_logger->notice("Notice");
-        color_logger->warn("Warning");
-        color_logger->error("Error");
-        color_logger->critical("Critical");
-        color_logger->alert("Alert");
-        color_logger->emerg("Emergency");
-
-        //
-        //Release and close all loggers
-        //
+		// terminal color example (works under linux/osx. windows: only if ansi.sys is loaded)
+		color_example();
+
+        // Release and close all loggers
         spdlog::drop_all();
     }
 
@@ -124,6 +85,48 @@ int main(int, char*[])
 }
 
 
+void async_example()
+{
+	size_t q_size = 4096; //queue size must be power of 2
+	spdlog::set_async_mode(q_size);
+	auto async_file = spd::daily_logger_st("async_file_logger", "logs/async_log.txt");
+	for (int i = 0; i < 100; ++i)
+		async_file->info("Async message #{}", i);
+}
+
+//syslog example (linux/osx only)
+void syslog_example()
+{
+#if defined (__linux__) || defined(__APPLE__)
+	std::string ident = "spdlog-example";
+	auto syslog_logger = spd::syslog_logger("syslog", ident, LOG_PID);
+	syslog_logger->warn("This is warning that will end up in syslog. This is Linux only!");
+#endif
+}
+
+// terminal color example (works under linux/osx. windows: only if ansi.sys is loaded)
+#include "spdlog/sinks/ansicolor_sink.h"
+void color_example()
+{	
+	// Create a sink to add colors to.
+	auto console_out = spdlog::sinks::stderr_sink_st::instance();
+	auto color_sink = std::make_shared<spd::sinks::ansicolor_sink>(console_out);  // wraps around another sink
+	auto color_logger = spd::details::registry::instance().create("Color", color_sink);
+	color_logger->set_level(spd::level::trace);
+	color_sink->setColor(spd::level::info, color_sink->bold + color_sink->green);
+	color_logger->info("Testing color logger...");
+	color_logger->trace("Trace");
+	color_logger->debug("Debug");
+	color_logger->info("Info");
+	color_logger->notice("Notice");
+	color_logger->warn("Warning");
+	color_logger->error("Error");
+	color_logger->critical("Critical");
+	color_logger->alert("Alert");
+	color_logger->emerg("Emergency");
+}
+
+
 // Example of user defined class with operator<<
 class some_class {};
 std::ostream& operator<<(std::ostream& os, const some_class&)