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Added mulitsink example

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This commit is contained in:
gabime 2018-07-08 16:20:28 +03:00
parent f4771be70e
commit 3c40c5ca5d
1 changed files with 23 additions and 2 deletions
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25
example/example.cpp
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@ -14,6 +14,7 @@ void basic_example();
void rotating_example(); void rotating_example();
void daily_example(); void daily_example();
void async_example(); void async_example();
void multi_sink_example();
void user_defined_example(); void user_defined_example();
void err_handler_example(); void err_handler_example();
void syslog_example(); void syslog_example();
@ -35,6 +36,9 @@ int main(int, char *[])
// async logging using a backing thread pool // async logging using a backing thread pool
async_example(); async_example();
// a logger can have multiple targets with different formats
multi_sink_example();
// user defined types logging by implementing operator<< // user defined types logging by implementing operator<<
user_defined_example(); user_defined_example();
@ -63,7 +67,7 @@ void stdout_example()
console->info("Welcome to spdlog!"); console->info("Welcome to spdlog!");
console->error("Some error message with arg: {}", 1); console->error("Some error message with arg: {}", 1);
auto err_logger = spdlog::stderr_color_mt("error_logger"); auto err_logger = spdlog::stderr_color_mt("stderr");
err_logger->error("Some error message"); err_logger->error("Some error message");
// Formatting examples // Formatting examples
@ -82,7 +86,7 @@ void stdout_example()
console->debug("This message should be displayed.."); console->debug("This message should be displayed..");
// Customize msg format for all loggers // Customize msg format for all loggers
spdlog::set_pattern("[%H:%M:%S %z] [%^---%L---%$] [thread %t] %v"); spdlog::set_pattern("[%H:%M:%S %z] [%n] [%^---%L---%$] [thread %t] %v");
console->info("This an info message with custom format"); console->info("This an info message with custom format");
// Compile time log levels // Compile time log levels
@ -127,6 +131,23 @@ void async_example()
} }
} }
// create logger with 2 targets with different log levels and formats
void multi_sink_example()
{
auto console_sink = std::make_shared<spdlog::sinks::stdout_color_sink_mt >();
console_sink->set_level(spdlog::level::warn);
console_sink->set_pattern("[multi_sink_example] [%^%l%$] %v");
auto file_sink = std::make_shared<spdlog::sinks::basic_file_sink_mt >("logs/multisink.txt", true);
file_sink->set_level(spdlog::level::info);
spdlog::logger logger("multi_sink", {console_sink, file_sink});
logger.warn("this should appear in both console and file");
logger.info("this message should not appear in the console, only in the file");
}
// user defined types logging by implementing operator<< // user defined types logging by implementing operator<<
#include "spdlog/fmt/ostr.h" // must be included #include "spdlog/fmt/ostr.h" // must be included
struct my_type struct my_type