1// Copyright (c) 2012 - Cloud Instruments Co., Ltd. 2// 3// All rights reserved. 4// 5// Redistribution and use in source and binary forms, with or without 6// modification, are permitted provided that the following conditions are met: 7// 8// 1. Redistributions of source code must retain the above copyright notice, this 9// list of conditions and the following disclaimer. 10// 2. Redistributions in binary form must reproduce the above copyright notice, 11// this list of conditions and the following disclaimer in the documentation 12// and/or other materials provided with the distribution. 13// 14// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 15// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 18// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 23// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 25package seelog 26 27// Log level type 28type LogLevel uint8 29 30// Log levels 31const ( 32 TraceLvl = iota 33 DebugLvl 34 InfoLvl 35 WarnLvl 36 ErrorLvl 37 CriticalLvl 38 Off 39) 40 41// Log level string representations (used in configuration files) 42const ( 43 TraceStr = "trace" 44 DebugStr = "debug" 45 InfoStr = "info" 46 WarnStr = "warn" 47 ErrorStr = "error" 48 CriticalStr = "critical" 49 OffStr = "off" 50) 51 52var levelToStringRepresentations = map[LogLevel]string{ 53 TraceLvl: TraceStr, 54 DebugLvl: DebugStr, 55 InfoLvl: InfoStr, 56 WarnLvl: WarnStr, 57 ErrorLvl: ErrorStr, 58 CriticalLvl: CriticalStr, 59 Off: OffStr, 60} 61 62// LogLevelFromString parses a string and returns a corresponding log level, if sucessfull. 63func LogLevelFromString(levelStr string) (level LogLevel, found bool) { 64 for lvl, lvlStr := range levelToStringRepresentations { 65 if lvlStr == levelStr { 66 return lvl, true 67 } 68 } 69 70 return 0, false 71} 72 73// LogLevelToString returns seelog string representation for a specified level. Returns "" for invalid log levels. 74func (level LogLevel) String() string { 75 levelStr, ok := levelToStringRepresentations[level] 76 if ok { 77 return levelStr 78 } 79 80 return "" 81} 82