mirror of
https://github.com/42wim/matterbridge.git
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64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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package mlog
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"os"
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)
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// defaultLog manually encodes the log to STDERR, providing a basic, default logging implementation
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// before mlog is fully configured.
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func defaultLog(level Level, msg string, fields ...Field) {
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mFields := make(map[string]string)
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buf := &bytes.Buffer{}
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for _, fld := range fields {
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buf.Reset()
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fld.ValueString(buf, shouldQuote)
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mFields[fld.Key] = buf.String()
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}
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log := struct {
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Level string `json:"level"`
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Message string `json:"msg"`
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Fields map[string]string `json:"fields,omitempty"`
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}{
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level.Name,
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msg,
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mFields,
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}
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if b, err := json.Marshal(log); err != nil {
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fmt.Fprintf(os.Stderr, `{"level":"error","msg":"failed to encode log message"}%s`, "\n")
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} else {
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fmt.Fprintf(os.Stderr, "%s\n", b)
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}
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}
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func defaultIsLevelEnabled(level Level) bool {
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return true
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}
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func defaultCustomMultiLog(lvl []Level, msg string, fields ...Field) {
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for _, level := range lvl {
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defaultLog(level, msg, fields...)
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}
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}
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// shouldQuote returns true if val contains any characters that require quotations.
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func shouldQuote(val string) bool {
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for _, c := range val {
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if !((c >= '0' && c <= '9') ||
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(c >= 'a' && c <= 'z') ||
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(c >= 'A' && c <= 'Z') ||
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c == '-' || c == '.' || c == '_' || c == '/' || c == '@' || c == '^' || c == '+') {
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return true
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}
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}
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return false
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}
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