mirror of
https://github.com/42wim/matterbridge.git
synced 2024-12-02 01:09:38 +01:00
75 lines
2.3 KiB
Go
75 lines
2.3 KiB
Go
|
// Copyright (c) HashiCorp, Inc.
|
||
|
|
// SPDX-License-Identifier: MIT
|
||
|
|
|
||
|
|
package hclog
|
||
|
|
|
||
|
|
import (
|
||
|
|
"regexp"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
// ExcludeByMessage provides a simple way to build a list of log messages that
|
||
|
|
// can be queried and matched. This is meant to be used with the Exclude
|
||
|
|
// option on Options to suppress log messages. This does not hold any mutexs
|
||
|
|
// within itself, so normal usage would be to Add entries at setup and none after
|
||
|
|
// Exclude is going to be called. Exclude is called with a mutex held within
|
||
|
|
// the Logger, so that doesn't need to use a mutex. Example usage:
|
||
|
|
//
|
||
|
|
// f := new(ExcludeByMessage)
|
||
|
|
// f.Add("Noisy log message text")
|
||
|
|
// appLogger.Exclude = f.Exclude
|
||
|
|
type ExcludeByMessage struct {
|
||
|
|
messages map[string]struct{}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add a message to be filtered. Do not call this after Exclude is to be called
|
||
|
|
// due to concurrency issues.
|
||
|
|
func (f *ExcludeByMessage) Add(msg string) {
|
||
|
|
if f.messages == nil {
|
||
|
|
f.messages = make(map[string]struct{})
|
||
|
|
}
|
||
|
|
|
||
|
|
f.messages[msg] = struct{}{}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Return true if the given message should be included
|
||
|
|
func (f *ExcludeByMessage) Exclude(level Level, msg string, args ...interface{}) bool {
|
||
|
|
_, ok := f.messages[msg]
|
||
|
|
return ok
|
||
|
|
}
|
||
|
|
|
||
|
|
// ExcludeByPrefix is a simple type to match a message string that has a common prefix.
|
||
|
|
type ExcludeByPrefix string
|
||
|
|
|
||
|
|
// Matches an message that starts with the prefix.
|
||
|
|
func (p ExcludeByPrefix) Exclude(level Level, msg string, args ...interface{}) bool {
|
||
|
|
return strings.HasPrefix(msg, string(p))
|
||
|
|
}
|
||
|
|
|
||
|
|
// ExcludeByRegexp takes a regexp and uses it to match a log message string. If it matches
|
||
|
|
// the log entry is excluded.
|
||
|
|
type ExcludeByRegexp struct {
|
||
|
|
Regexp *regexp.Regexp
|
||
|
|
}
|
||
|
|
|
||
|
|
// Exclude the log message if the message string matches the regexp
|
||
|
|
func (e ExcludeByRegexp) Exclude(level Level, msg string, args ...interface{}) bool {
|
||
|
|
return e.Regexp.MatchString(msg)
|
||
|
|
}
|
||
|
|
|
||
|
|
// ExcludeFuncs is a slice of functions that will called to see if a log entry
|
||
|
|
// should be filtered or not. It stops calling functions once at least one returns
|
||
|
|
// true.
|
||
|
|
type ExcludeFuncs []func(level Level, msg string, args ...interface{}) bool
|
||
|
|
|
||
|
|
// Calls each function until one of them returns true
|
||
|
|
func (ff ExcludeFuncs) Exclude(level Level, msg string, args ...interface{}) bool {
|
||
|
|
for _, f := range ff {
|
||
|
|
if f(level, msg, args...) {
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return false
|
||
|
|
}
|