48 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include "spdlog/spdlog.h"
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| 
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| #include <iostream>
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| #include <memory>
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| 
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| namespace spd = spdlog;
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| int main(int, char*[])
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| {
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|     bool enable_debug = true;
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|     try
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|     {
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|         // This other example use a single logger with multiple sinks.
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|         // This means that the same log_msg is forwarded to multiple sinks;
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|         // Each sink can have it's own log level and a message will be logged.
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|         std::vector<spdlog::sink_ptr> sinks;
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|         sinks.push_back( std::make_shared<spdlog::sinks::stdout_sink_mt>() );
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|         sinks.push_back( std::make_shared<spdlog::sinks::simple_file_sink_mt>("./log_regular_file.txt") );
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|         sinks.push_back( std::make_shared<spdlog::sinks::simple_file_sink_mt>("./log_debug_file.txt") );
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| 
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|         spdlog::logger console_multisink("multisink",  sinks.begin(), sinks.end() );
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|         console_multisink.set_level( spdlog::level::warn);
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| 
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|         sinks[0]->set_level( spdlog::level::trace);  // console. Allow everything.  Default value
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|         sinks[1]->set_level( spdlog::level::trace);  //  regular file. Allow everything.  Default value
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|         sinks[2]->set_level( spdlog::level::off);    //  regular file. Ignore everything.
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| 
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|         console_multisink.warn("warn: will print only on console and regular file");
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| 
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|         if( enable_debug )
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|         {
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|             console_multisink.set_level( spdlog::level::debug); // level of the logger
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|             sinks[1]->set_level( spdlog::level::debug);  // regular file
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|             sinks[2]->set_level( spdlog::level::debug);  // debug file
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|         }
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|         console_multisink.debug("Debug: you should see this on console and both files");
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| 
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|         // Release and close all loggers
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|         spdlog::drop_all();
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|     }
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|     // Exceptions will only be thrown upon failed logger or sink construction (not during logging)
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|     catch (const spd::spdlog_ex& ex)
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|     {
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|         std::cout << "Log init failed: " << ex.what() << std::endl;
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|         return 1;
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|     }
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| }
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| 
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