117 lines
4.3 KiB
Markdown
117 lines
4.3 KiB
Markdown
Seelog
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=======
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Seelog is a powerful and easy-to-learn logging framework that provides functionality for flexible dispatching, filtering, and formatting log messages.
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It is natively written in the [Go](http://golang.org/) programming language.
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[](https://drone.io/github.com/cihub/seelog/latest)
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Features
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------------------
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* Xml configuring to be able to change logger parameters without recompilation
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* Changing configurations on the fly without app restart
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* Possibility to set different log configurations for different project files and functions
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* Adjustable message formatting
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* Simultaneous log output to multiple streams
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* Choosing logger priority strategy to minimize performance hit
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* Different output writers
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* Console writer
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* File writer
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* Buffered writer (Chunk writer)
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* Rolling log writer (Logging with rotation)
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* SMTP writer
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* Others... (See [Wiki](https://github.com/cihub/seelog/wiki))
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* Log message wrappers (JSON, XML, etc.)
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* Global variables and functions for easy usage in standalone apps
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* Functions for flexible usage in libraries
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Quick-start
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-----------
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```go
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package main
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import log "github.com/cihub/seelog"
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func main() {
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defer log.Flush()
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log.Info("Hello from Seelog!")
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}
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```
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Installation
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------------
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If you don't have the Go development environment installed, visit the
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[Getting Started](http://golang.org/doc/install.html) document and follow the instructions. Once you're ready, execute the following command:
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```
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go get -u github.com/cihub/seelog
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```
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*IMPORTANT*: If you are not using the latest release version of Go, check out this [wiki page](https://github.com/cihub/seelog/wiki/Notes-on-'go-get')
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Documentation
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---------------
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Seelog has github wiki pages, which contain detailed how-tos references: https://github.com/cihub/seelog/wiki
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Examples
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---------------
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Seelog examples can be found here: [seelog-examples](https://github.com/cihub/seelog-examples)
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Issues
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---------------
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Feel free to push issues that could make Seelog better: https://github.com/cihub/seelog/issues
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Changelog
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---------------
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* **v2.6** : Config using code and custom formatters
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* Configuration using code in addition to xml (All internal receiver/dispatcher/logger types are now exported).
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* Custom formatters. Check [wiki](https://github.com/cihub/seelog/wiki/Custom-formatters)
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* Bugfixes and internal improvements.
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* **v2.5** : Interaction with other systems. Part 2: custom receivers
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* Finished custom receivers feature. Check [wiki](https://github.com/cihub/seelog/wiki/custom-receivers)
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* Added 'LoggerFromCustomReceiver'
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* Added 'LoggerFromWriterWithMinLevelAndFormat'
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* Added 'LoggerFromCustomReceiver'
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* Added 'LoggerFromParamConfigAs...'
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* **v2.4** : Interaction with other systems. Part 1: wrapping seelog
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* Added configurable caller stack skip logic
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* Added 'SetAdditionalStackDepth' to 'LoggerInterface'
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* **v2.3** : Rethinking 'rolling' receiver
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* Reimplemented 'rolling' receiver
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* Added 'Max rolls' feature for 'rolling' receiver with type='date'
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* Fixed 'rolling' receiver issue: renaming on Windows
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* **v2.2** : go1.0 compatibility point [go1.0 tag]
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* Fixed internal bugs
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* Added 'ANSI n [;k]' format identifier: %EscN
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* Made current release go1 compatible
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* **v2.1** : Some new features
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* Rolling receiver archiving option.
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* Added format identifier: %Line
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* Smtp: added paths to PEM files directories
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* Added format identifier: %FuncShort
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* Warn, Error and Critical methods now return an error
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* **v2.0** : Second major release. BREAKING CHANGES.
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* Support of binaries with stripped symbols
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* Added log strategy: adaptive
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* Critical message now forces Flush()
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* Added predefined formats: xml-debug, xml-debug-short, xml, xml-short, json-debug, json-debug-short, json, json-short, debug, debug-short, fast
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* Added receiver: conn (network connection writer)
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* BREAKING CHANGE: added Tracef, Debugf, Infof, etc. to satisfy the print/printf principle
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* Bug fixes
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* **v1.0** : Initial release. Features:
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* Xml config
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* Changing configurations on the fly without app restart
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* Contraints and exceptions
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* Formatting
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* Log strategies: sync, async loop, async timer
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* Receivers: buffered, console, file, rolling, smtp
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