(third_party deps) fix #177, update bundled spdlog to 1.6.0
This commit is contained in:
Benjamin Sergeant
76
third_party/spdlog/README.md
vendored
76
third_party/spdlog/README.md
vendored
@@ -1,8 +1,6 @@
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# spdlog
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Very fast, header-only/compiled, C++ logging library. [](https://travis-ci.org/gabime/spdlog) [](https://ci.appveyor.com/project/gabime/spdlog)
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Very fast, header-only/compiled, C++ logging library. [](https://travis-ci.org/gabime/spdlog) [](https://ci.appveyor.com/project/gabime/spdlog) [](https://github.com/gabime/spdlog/releases/latest)
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## Install
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#### Header only version
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@@ -25,20 +23,22 @@ $ cmake .. && make -j
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## Package managers:
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* Homebrew: `brew install spdlog`
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* MacPorts: `sudo port install spdlog`
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* FreeBSD: `cd /usr/ports/devel/spdlog/ && make install clean`
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* Fedora: `yum install spdlog`
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* Gentoo: `emerge dev-libs/spdlog`
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* Arch Linux: `yaourt -S spdlog-git`
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* Arch Linux: `pacman -S spdlog`
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* vcpkg: `vcpkg install spdlog`
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* conan: `spdlog/[>=1.4.1]@bincrafters/stable`
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* conan: `spdlog/[>=1.4.1]`
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* conda: `conda install -c conda-forge spdlog`
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## Features
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* Very fast (see [benchmarks](#benchmarks) below).
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* Headers only, just copy and use. Or use as a compiled library.
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* Headers only or compiled version
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* Feature rich formatting, using the excellent [fmt](https://github.com/fmtlib/fmt) library.
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* **New!** [Backtrace](#backtrace-support) support - store debug or other messages in a ring buffer and display later on demand.
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* Fast asynchronous mode (optional)
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* **New!** [Backtrace](#backtrace-support) support - store debug messages in a ring buffer and display later on demand.
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* Asynchronous mode (optional)
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* [Custom](https://github.com/gabime/spdlog/wiki/3.-Custom-formatting) formatting.
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* Multi/Single threaded loggers.
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* Various log targets:
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@@ -48,7 +48,8 @@ $ cmake .. && make -j
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* syslog.
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* Windows debugger (```OutputDebugString(..)```)
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* Easily extendable with custom log targets (just implement a single function in the [sink](include/spdlog/sinks/sink.h) interface).
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* Severity based filtering - threshold levels can be modified in runtime as well as in compile time.
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* Log filtering - log levels can be modified in runtime as well as in compile time.
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* Support for loading log levels from argv or from environment var.
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## Usage samples
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@@ -77,15 +78,30 @@ int main()
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// Compile time log levels
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// define SPDLOG_ACTIVE_LEVEL to desired level
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SPDLOG_TRACE("Some trace message with param {}", {});
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SPDLOG_TRACE("Some trace message with param {}", 42);
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SPDLOG_DEBUG("Some debug message");
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// Set the default logger to file logger
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auto file_logger = spdlog::basic_logger_mt("basic_logger", "logs/basic.txt");
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spdlog::set_default_logger(file_logger);
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}
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```
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#### create stdout/stderr logger object
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#### Load log levels from env variable or from argv
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```c++
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#include "spdlog/cfg/env.h"
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void load_levels_example()
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{
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// Set the log level to "info" and mylogger to to "trace":
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// SPDLOG_LEVEL=info,mylogger=trace && ./example
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spdlog::cfg::load_env_levels();
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// or from command line:
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// ./example SPDLOG_LEVEL=info,mylogger=trace
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// #include "spdlog/cfg/argv.h" // for loading levels from argv
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// spdlog::cfg::load_argv_levels(args, argv);
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}
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```
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#### Create stdout/stderr logger object
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```c++
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#include "spdlog/spdlog.h"
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#include "spdlog/sinks/stdout_color_sinks.h"
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@@ -158,7 +174,7 @@ spdlog::dump_backtrace(); // log them now! show the last 32 messages
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#### Periodic flush
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```c++
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// periodically flush all *registered* loggers every 3 seconds:
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// warning: only use if all your loggers are thread safe!
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// warning: only use if all your loggers are thread safe ("_mt" loggers)
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spdlog::flush_every(std::chrono::seconds(3));
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```
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@@ -266,6 +282,37 @@ void user_defined_example()
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}
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```
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---
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#### User defined flags in the log pattern
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```c++
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// Log patterns can contain custom flags.
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// the following example will add new flag '%*' - which will be bound to a <my_formatter_flag> instance.
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#include "spdlog/pattern_formatter.h"
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class my_formatter_flag : public spdlog::custom_flag_formatter
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{
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public:
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void format(const spdlog::details::log_msg &, const std::tm &, spdlog::memory_buf_t &dest) override
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{
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std::string some_txt = "custom-flag";
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dest.append(some_txt.data(), some_txt.data() + some_txt.size());
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}
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std::unique_ptr<custom_flag_formatter> clone() const override
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{
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return spdlog::details::make_unique<my_formatter_flag>();
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}
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};
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void custom_flags_example()
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{
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auto formatter = std::make_unique<spdlog::pattern_formatter>();
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formatter->add_flag<my_formatter_flag>('*').set_pattern("[%n] [%*] [%^%l%$] %v");
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spdlog::set_formatter(std::move(formatter));
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}
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```
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---
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#### Custom error handler
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```c++
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@@ -277,6 +324,8 @@ void err_handler_example()
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}
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```
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---
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#### syslog
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```c++
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@@ -321,7 +370,7 @@ Below are some [benchmarks](https://github.com/gabime/spdlog/blob/v1.x/bench/ben
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[info] daily_st Elapsed: 0.42 secs 2,393,298/sec
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[info] null_st Elapsed: 0.04 secs 27,446,957/sec
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[info] **************************************************************
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[info] 10 threads sharing same logger, 1,000,000 iterations
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[info] 10 threads, competing over the same logger object, 1,000,000 iterations
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[info] **************************************************************
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[info] basic_mt Elapsed: 0.60 secs 1,659,613/sec
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[info] rotating_mt Elapsed: 0.62 secs 1,612,493/sec
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@@ -335,7 +384,6 @@ Below are some [benchmarks](https://github.com/gabime/spdlog/blob/v1.x/bench/ben
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[info] Threads : 10
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[info] Queue : 8,192 slots
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[info] Queue memory : 8,192 x 272 = 2,176 KB
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[info] Total iters : 3
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[info] -------------------------------------------------
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[info]
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[info] *********************************
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