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gabime
2024-01-13 09:37:32 +02:00
parent 4789065700
commit 77b07b3a10
75 changed files with 502 additions and 834 deletions
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53
example/example.cpp
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@@ -37,9 +37,8 @@ void replace_default_logger_example();
int main(int, char *[]) {
// Log levels can be loaded from argv/env using "SPDLOG_LEVEL"
load_levels_example();
spdlog::info("Welcome to spdlog version {}.{}.{} !", SPDLOG_VER_MAJOR, SPDLOG_VER_MINOR,
SPDLOG_VER_PATCH);
SPDLOG_INFO("This message should be displayed..");
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::critical("Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}", 42);
spdlog::info("Support for floats {:03.2f}", 1.23456);
@@ -99,7 +98,7 @@ int main(int, char *[]) {
#include "spdlog/sinks/stdout_color_sinks.h"
// or #include "spdlog/sinks/stdout_sinks.h" if no colors needed.
void stdout_logger_example() {
// Create color multi threaded logger.
// Create color multithreading logger.
auto console = spdlog::stdout_color_mt("console");
// or for stderr:
// auto console = spdlog::stderr_color_mt("error-logger");
@@ -114,8 +113,7 @@ void basic_example() {
#include "spdlog/sinks/rotating_file_sink.h"
void rotating_example() {
// Create a file rotating logger with 5mb size max and 3 rotated files.
auto rotating_logger =
spdlog::rotating_logger_mt("some_logger_name", "logs/rotating.txt", 1048576 * 5, 3);
auto rotating_logger = spdlog::rotating_logger_mt("some_logger_name", "logs/rotating.txt", 1048576 * 5, 3);
}
#include "spdlog/sinks/daily_file_sink.h"
@@ -127,10 +125,9 @@ void daily_example() {
#include "spdlog/sinks/callback_sink.h"
void callback_example() {
// Create the logger
auto logger = spdlog::callback_logger_mt("custom_callback_logger",
[](const spdlog::details::log_msg & /*msg*/) {
// do what you need to do with msg
});
auto logger = spdlog::callback_logger_mt("custom_callback_logger", [](const spdlog::details::log_msg & /*msg*/) {
// do what you need to do with msg
});
}
void load_levels_example() {
@@ -148,8 +145,7 @@ void load_levels_example() {
void async_example() {
// Default thread pool settings can be modified *before* creating the async logger:
// spdlog::init_thread_pool(32768, 1); // queue with max 32k items 1 backing thread.
auto async_file =
spdlog::basic_logger_mt<spdlog::async_factory>("async_file_logger", "logs/async_log.txt");
auto async_file = spdlog::basic_logger_mt<spdlog::async_factory>("async_file_logger", "logs/async_log.txt");
// alternatively:
// auto async_file =
// spdlog::create_async<spdlog::sinks::basic_file_sink_mt>("async_file_logger",
@@ -177,8 +173,7 @@ void binary_example() {
buf.push_back(static_cast<char>(i & 0xff));
}
spdlog::info("Binary example: {}", spdlog::to_hex(buf));
spdlog::info("Another binary example:{:n}",
spdlog::to_hex(std::begin(buf), std::begin(buf) + 10));
spdlog::info("Another binary example:{:n}", spdlog::to_hex(std::begin(buf), std::begin(buf) + 10));
// more examples:
// logger->info("uppercase: {:X}", spdlog::to_hex(buf));
// logger->info("uppercase, no delimiters: {:Xs}", spdlog::to_hex(buf));
@@ -243,8 +238,7 @@ void multi_sink_example() {
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);
auto file_sink = std::make_shared<spdlog::sinks::basic_file_sink_mt>("logs/multisink.txt", true);
file_sink->set_level(spdlog::level::trace);
spdlog::logger logger("multi_sink", {console_sink, file_sink});
@@ -282,9 +276,8 @@ void user_defined_example() { spdlog::info("user defined type: {}", my_type(14))
// Custom error handler. Will be triggered on log failure.
void err_handler_example() {
// can be set globally or per logger(logger->set_error_handler(..))
spdlog::set_error_handler([](const std::string &msg) {
printf("*** Custom log error handler: %s ***\n", msg.c_str());
});
spdlog::set_error_handler(
[](const std::string &msg) { printf("*** Custom log error handler: %s ***\n", msg.c_str()); });
}
// syslog example (linux/osx/freebsd)
@@ -312,16 +305,12 @@ void android_example() {
#include "spdlog/pattern_formatter.h"
class my_formatter_flag : public spdlog::custom_flag_formatter {
public:
void format(const spdlog::details::log_msg &,
const std::tm &,
spdlog::memory_buf_t &dest) override {
void format(const spdlog::details::log_msg &, const std::tm &, spdlog::memory_buf_t &dest) override {
std::string some_txt = "custom-flag";
dest.append(some_txt.data(), some_txt.data() + some_txt.size());
}
std::unique_ptr<custom_flag_formatter> clone() const override {
return std::make_unique<my_formatter_flag>();
}
std::unique_ptr<custom_flag_formatter> clone() const override { return std::make_unique<my_formatter_flag>(); }
};
void custom_flags_example() {
@@ -334,9 +323,7 @@ void custom_flags_example() {
void file_events_example() {
// pass the spdlog::file_event_handlers to file sinks for open/close log file notifications
spdlog::file_event_handlers handlers;
handlers.before_open = [](spdlog::filename_t filename) {
spdlog::info("Before opening {}", filename);
};
handlers.before_open = [](spdlog::filename_t filename) { spdlog::info("Before opening {}", filename); };
handlers.after_open = [](spdlog::filename_t filename, std::FILE *fstream) {
spdlog::info("After opening {}", filename);
fputs("After opening\n", fstream);
@@ -345,11 +332,8 @@ void file_events_example() {
spdlog::info("Before closing {}", filename);
fputs("Before closing\n", fstream);
};
handlers.after_close = [](spdlog::filename_t filename) {
spdlog::info("After closing {}", filename);
};
auto file_sink = std::make_shared<spdlog::sinks::basic_file_sink_mt>("logs/events-sample.txt",
true, handlers);
handlers.after_close = [](spdlog::filename_t filename) { spdlog::info("After closing {}", filename); };
auto file_sink = std::make_shared<spdlog::sinks::basic_file_sink_mt>("logs/events-sample.txt", true, handlers);
spdlog::logger my_logger("some_logger", file_sink);
my_logger.info("Some log line");
}
@@ -358,8 +342,7 @@ void replace_default_logger_example() {
// store the old logger so we don't break other examples.
auto old_logger = spdlog::default_logger();
auto new_logger =
spdlog::basic_logger_mt("new_default_logger", "logs/new-default-log.txt", true);
auto new_logger = spdlog::basic_logger_mt("new_default_logger", "logs/new-default-log.txt", true);
spdlog::set_default_logger(new_logger);
spdlog::set_level(spdlog::level::info);
spdlog::debug("This message should not be displayed!");