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Updated example

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This commit is contained in:
gabime 2019-12-22 20:58:16 +02:00
parent 877eee408e
commit 0243882238
1 changed files with 23 additions and 12 deletions
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33
example/example.cpp
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@ -10,6 +10,8 @@ void stdout_logger_example();
void basic_example(); void basic_example();
void rotating_example(); void rotating_example();
void daily_example(); void daily_example();
void env_cfg_example();
void argv_cfg_example(int, char*[]);
void async_example(); void async_example();
void binary_example(); void binary_example();
void trace_example(); void trace_example();
@ -19,17 +21,9 @@ void err_handler_example();
void syslog_example(); void syslog_example();
#include "spdlog/spdlog.h" #include "spdlog/spdlog.h"
#include "spdlog/cfg/argv.h"
#include "spdlog/cfg/env.h"
int main(int args, char *argv[]) int main(int args, char *argv[])
{ {
// optionally init log levels from argv
spdlog::cfg::load_argv(args, argv);
// optionally init load levels from an environment variable (SPDLOG_LEVEL)
spdlog::cfg::load_env();
spdlog::info("Welcome to spdlog version {}.{}.{} !", SPDLOG_VER_MAJOR, SPDLOG_VER_MINOR, SPDLOG_VER_PATCH); spdlog::info("Welcome to spdlog version {}.{}.{} !", SPDLOG_VER_MAJOR, SPDLOG_VER_MINOR, SPDLOG_VER_PATCH);
spdlog::warn("Easy padding in numbers like {:08d}", 12); spdlog::warn("Easy padding in numbers like {:08d}", 12);
spdlog::critical("Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}", 42); spdlog::critical("Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}", 42);
@ -37,15 +31,12 @@ int main(int args, char *argv [])
spdlog::info("Positional args are {1} {0}..", "too", "supported"); spdlog::info("Positional args are {1} {0}..", "too", "supported");
spdlog::info("{:>8} aligned, {:<8} aligned", "right", "left"); spdlog::info("{:>8} aligned, {:<8} aligned", "right", "left");
// Runtime log levels // Runtime log levels
spdlog::set_level(spdlog::level::info); // Set global log level to info spdlog::set_level(spdlog::level::info); // Set global log level to info
spdlog::debug("This message should not be displayed!"); spdlog::debug("This message should not be displayed!");
spdlog::set_level(spdlog::level::trace); // Set specific logger's log level spdlog::set_level(spdlog::level::trace); // Set specific logger's log level
spdlog::debug("This message should be displayed.."); spdlog::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%$] [thread %t] %v"); spdlog::set_pattern("[%H:%M:%S %z] [%^%L%$] [thread %t] %v");
spdlog::info("This an info message with custom format"); spdlog::info("This an info message with custom format");
@ -76,6 +67,12 @@ int main(int args, char *argv [])
err_handler_example(); err_handler_example();
trace_example(); trace_example();
// Init levels from SPDLOG_LEVEL env variable
env_cfg_example();
// Init levels from args (example.exe "SPDLOG_LEVEL=trace,l2=info,l3=off")
argv_cfg_example(args, argv);
// Flush all *registered* loggers using a worker thread every 3 seconds. // Flush all *registered* loggers using a worker thread every 3 seconds.
// note: registered loggers *must* be thread safe for this to work correctly! // note: registered loggers *must* be thread safe for this to work correctly!
spdlog::flush_every(std::chrono::seconds(3)); spdlog::flush_every(std::chrono::seconds(3));
@ -83,6 +80,7 @@ int main(int args, char *argv [])
// Apply some function on all registered loggers // Apply some function on all registered loggers
spdlog::apply_all([&](std::shared_ptr<spdlog::logger> l) { l->info("End of example."); }); spdlog::apply_all([&](std::shared_ptr<spdlog::logger> l) { l->info("End of example."); });
// Release all spdlog resources, and drop all loggers in the registry. // Release all spdlog resources, and drop all loggers in the registry.
// This is optional (only mandatory if using windows + async log). // This is optional (only mandatory if using windows + async log).
spdlog::shutdown(); spdlog::shutdown();
@ -127,6 +125,19 @@ void daily_example()
auto daily_logger = spdlog::daily_logger_mt("daily_logger", "logs/daily.txt", 2, 30); auto daily_logger = spdlog::daily_logger_mt("daily_logger", "logs/daily.txt", 2, 30);
} }
#include "spdlog/cfg/env.h"
void env_cfg_example()
{
// set levels from SPDLOG_LEVEL env variable
spdlog::cfg::load_env();
}
#include "spdlog/cfg/argv.h"
void argv_cfg_example(int args, char *argv[])
{
spdlog::cfg::load_argv(args, argv);
}
#include "spdlog/async.h" #include "spdlog/async.h"
void async_example() void async_example()
{ {