Mirror/spdlog
1
0
Fork 0
mirror of https://github.com/gabime/spdlog.git synced 2025-09-28 17:19:34 +08:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'static-lib' of https://github.com/gabime/spdlog into static-lib

Browse Source
This commit is contained in:
gabime
2019-05-22 12:19:55 +03:00
parent 92387b1527 1ef80d6330
commit 9205c9d031
19 changed files with 183 additions and 426 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
example/CMakeLists.txt
View File

@@ -1,49 +1,31 @@
# *************************************************************************/
# * Copyright (c) 2015 Ruslan Baratov. */
# * */
# * Permission is hereby granted, free of charge, to any person obtaining */
# * a copy of this software and associated documentation files (the */
# * "Software"), to deal in the Software without restriction, including */
# * without limitation the rights to use, copy, modify, merge, publish, */
# * distribute, sublicense, and/or sell copies of the Software, and to */
# * permit persons to whom the Software is furnished to do so, subject to */
# * the following conditions: */
# * */
# * The above copyright notice and this permission notice shall be */
# * included in all copies or substantial portions of the Software. */
# * */
# * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
# * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
# * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
# * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
# * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
# * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
# * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
# *************************************************************************/
# Copyright(c) 2019 spdlog authors
# Distributed under the MIT License (http://opensource.org/licenses/MIT)
cmake_minimum_required(VERSION 3.1)
project(SpdlogExamples CXX)
if(NOT TARGET spdlog)
# Stand-alone build
find_package(spdlog CONFIG REQUIRED)
endif()
find_package(Threads REQUIRED)
add_executable(example example.cpp)
if(CMAKE_SYSTEM_NAME STREQUAL "Android")
find_library(log-lib log)
target_link_libraries(example spdlog::static Threads::Threads log)
if(TARGET spdlog)
# If we're running this example as part of the primary spdlog applciation
# then add an alias. This allows us to use the same "spdlog::spdlog"
# below that a user would use (with the namespace)
add_library(spdlog::spdlog ALIAS spdlog)
add_library(spdlog::spdlog_header_only ALIAS spdlog_header_only)
else()
target_link_libraries(example spdlog::static Threads::Threads)
# Stand-alone build
find_package(spdlog REQUIRED)
endif()
#---------------------------------------------------------------------------------------
# Example of using pre-compiled library
#---------------------------------------------------------------------------------------
add_executable(example example.cpp)
target_link_libraries(example spdlog::spdlog)
add_executable(multisink multisink.cpp)
target_link_libraries(multisink spdlog::static Threads::Threads)
#---------------------------------------------------------------------------------------
# Example of using header-only library
#---------------------------------------------------------------------------------------
add_executable(example_header_only example.cpp)
target_link_libraries(example_header_only spdlog::spdlog_header_only)
# Create logs directory
file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/logs")
enable_testing()
add_test(NAME example COMMAND example)

15
example/jni/Android.mk
View File

@@ -1,15 +0,0 @@
# Setup a project
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := example
LOCAL_SRC_FILES := example.cpp
LOCAL_CPPFLAGS += -Wall -Wshadow -Wextra -pedantic -std=c++11 -fPIE -pie
LOCAL_LDFLAGS += -fPIE -pie
# Add exception support and set path for spdlog's headers
LOCAL_CPPFLAGS += -fexceptions -I../include
# Use android's log library
LOCAL_LDFLAGS += -llog
include $(BUILD_EXECUTABLE)

2
example/jni/Application.mk
View File

@@ -1,2 +0,0 @@
# Exceptions are used in spdlog. Link to an exception-ready C++ runtime.
APP_STL = gnustl_static

157
example/jni/example.cpp
View File

@@ -1,157 +0,0 @@
//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
//
// spdlog usage example
//
//
#define SPDLOG_TRACE_ON
#define SPDLOG_DEBUG_ON
#include "spdlog/spdlog.h"
#include <iostream>
#include <memory>
void async_example();
void syslog_example();
void android_example();
void user_defined_example();
void err_handler_example();
namespace spd = spdlog;
int main(int, char *[])
{
try
{
// Console logger with color
auto console = spd::stdout_color_mt("console");
console->info("Welcome to spdlog!");
console->error("Some error message with arg{}..", 1);
// Formatting examples
console->warn("Easy padding in numbers like {:08d}", 12);
console->critical("Support for int: {0:d}; hex: {0:x}; oct: {0:o}; bin: {0:b}", 42);
console->info("Support for floats {:03.2f}", 1.23456);
console->info("Positional args are {1} {0}..", "too", "supported");
console->info("{:<30}", "left aligned");
spd::get("console")->info("loggers can be retrieved from a global registry using the spdlog::get(logger_name) function");
// Create basic file logger (not rotated)
auto my_logger = spd::basic_logger_mt("basic_logger", "logs/basic-log.txt");
my_logger->info("Some log message");
// Create a file rotating logger with 5mb size max and 3 rotated files
auto rotating_logger = spd::rotating_logger_mt("some_logger_name", "logs/rotating.txt", 1048576 * 5, 3);
for (int i = 0; i < 10; ++i)
rotating_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.txt", 2, 30);
// trigger flush if the log severity is error or higher
daily_logger->flush_on(spd::level::err);
daily_logger->info(123.44);
// Customize msg format for all messages
spd::set_pattern("*** [%H:%M:%S %z] [thread %t] %v ***");
rotating_logger->info("This is another message with custom format");
// Runtime log levels
spd::set_level(spd::level::info); // Set global log level to info
console->debug("This message should not be displayed!");
console->set_level(spd::level::debug); // Set specific logger's log level
console->debug("This message should be displayed..");
// Compile time log levels
// define SPDLOG_DEBUG_ON or 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..
async_example();
// syslog example. linux/osx only
syslog_example();
// android example. compile with NDK
android_example();
// Log user-defined types example
user_defined_example();
// Change default log error handler
err_handler_example();
// Apply a function on all registered loggers
spd::apply_all([&](std::shared_ptr<spdlog::logger> l) { l->info("End of example."); });
// Release and close all loggers
spdlog::drop_all();
}
// Exceptions will only be thrown upon failed logger or sink construction (not during logging)
catch (const spd::spdlog_ex &ex)
{
std::cout << "Log init failed: " << ex.what() << std::endl;
return 1;
}
}
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/freebsd)
void syslog_example()
{
#ifdef SPDLOG_ENABLE_SYSLOG
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.");
#endif
}
// Android example
void android_example()
{
#if defined(__ANDROID__)
std::string tag = "spdlog-android";
auto android_logger = spd::android_logger("android", tag);
android_logger->critical("Use \"adb shell logcat\" to view this message.");
#endif
}
// user defined types logging by implementing operator<<
struct my_type
{
int i;
template<typename OStream>
friend OStream &operator<<(OStream &os, const my_type &c)
{
return os << "[my_type i=" << c.i << "]";
}
};
#include "spdlog/fmt/ostr.h" // must be included
void user_defined_example()
{
spd::get("console")->info("user defined type: {}", my_type{14});
}
//
// custom error handler
//
void err_handler_example()
{
// can be set globaly or per logger(logger->set_error_handler(..))
spdlog::set_error_handler([](const std::string &msg) { std::cerr << "my err handler: " << msg << std::endl; });
spd::get("console")->info("some invalid message to trigger an error {}{}{}{}", 3);
}

1
example/logs/.gitignore vendored
View File

@@ -1 +0,0 @@
*.txt

47
example/multisink.cpp
View File

@@ -1,47 +0,0 @@
#include "spdlog/spdlog.h"
#include "spdlog/sinks/basic_file_sink.h"
#include "spdlog/sinks/stdout_sinks.h"
#include <iostream>
#include <memory>
int main(int, char *[])
{
bool enable_debug = true;
try
{
// This other example use a single logger with multiple sinks.
// This means that the same log_msg is forwarded to multiple sinks;
// Each sink can have it's own log level and a message will be logged.
std::vector<spdlog::sink_ptr> sinks;
sinks.push_back(std::make_shared<spdlog::sinks::stdout_sink_mt>());
sinks.push_back(std::make_shared<spdlog::sinks::basic_file_sink_mt>("./log_regular_file.txt"));
sinks.push_back(std::make_shared<spdlog::sinks::basic_file_sink_mt>("./log_debug_file.txt"));
spdlog::logger console_multisink("multisink", sinks.begin(), sinks.end());
console_multisink.set_level(spdlog::level::warn);
sinks[0]->set_level(spdlog::level::trace); // console. Allow everything. Default value
sinks[1]->set_level(spdlog::level::trace); // regular file. Allow everything. Default value
sinks[2]->set_level(spdlog::level::off); // regular file. Ignore everything.
console_multisink.warn("warn: will print only on console and regular file");
if (enable_debug)
{
console_multisink.set_level(spdlog::level::debug); // level of the logger
sinks[1]->set_level(spdlog::level::debug); // regular file
sinks[2]->set_level(spdlog::level::debug); // debug file
}
console_multisink.debug("Debug: you should see this on console and both files");
// Release and close all loggers
spdlog::drop_all();
}
// Exceptions will only be thrown upon failed logger or sink construction (not during logging)
catch (const spdlog::spdlog_ex &ex)
{
std::cout << "Log init failed: " << ex.what() << std::endl;
return 1;
}
}

34
example/utils.h
View File

@@ -1,34 +0,0 @@
//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#include <iomanip>
#include <locale>
#include <sstream>
namespace utils {
template<typename T>
inline std::string format(const T &value)
{
static std::locale loc("");
std::stringstream ss;
ss.imbue(loc);
ss << value;
return ss.str();
}
template<>
inline std::string format(const double &value)
{
static std::locale loc("");
std::stringstream ss;
ss.imbue(loc);
ss << std::fixed << std::setprecision(1) << value;
return ss.str();
}
} // namespace utils