29 lines
884 B
Go
29 lines
884 B
Go
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// Package m is the glue which holds all the other packages in this project
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// together. While other packages in this project are intended to be able to be
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// used separately and largely independently, this package combines them in ways
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// which I specifically like.
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package m
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import (
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"io"
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"github.com/mediocregopher/mediocre-go-lib/mcfg"
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"github.com/mediocregopher/mediocre-go-lib/mlog"
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)
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// Log returns a Logger which will automatically include with the log extra
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// contextual information based on the Cfg and the given KVs
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//
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// If the cfg is nil then mlog.DefaultLogger is returned.
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func Log(cfg *mcfg.Cfg, kvs ...mlog.KVer) *mlog.Logger {
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fn := cfg.FullName()
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l := mlog.DefaultLogger.WithWriteFn(func(w io.Writer, msg mlog.Message) error {
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msg.Msg = fn + " " + msg.Msg
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return mlog.DefaultWriteFn(w, msg)
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})
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if len(kvs) > 0 {
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l = l.WithKV(kvs...)
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}
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return l
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}
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