// Copyright 2014 beego Author. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package logs import ( "io" "sync" "time" ) type logWriter struct { sync.Mutex writer io.Writer } func newLogWriter(wr io.Writer) *logWriter { return &logWriter{writer: wr} } func (lg *logWriter) println(when time.Time, msg string) { lg.Lock() h, _ := formatTimeHeader(when) lg.writer.Write(append(append(h, msg...), '\n')) lg.Unlock() } const y1 = `0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999` const y2 = `0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789` const mo1 = `000000000111` const mo2 = `123456789012` const d1 = `0000000001111111111222222222233` const d2 = `1234567890123456789012345678901` const h1 = `000000000011111111112222` const h2 = `012345678901234567890123` const mi1 = `000000000011111111112222222222333333333344444444445555555555` const mi2 = `012345678901234567890123456789012345678901234567890123456789` const s1 = `000000000011111111112222222222333333333344444444445555555555` const s2 = `012345678901234567890123456789012345678901234567890123456789` func formatTimeHeader(when time.Time) ([]byte, int) { y, mo, d := when.Date() h, mi, s := when.Clock() //len("2006/01/02 15:04:05 ")==20 var buf [20]byte //change to '3' after 984 years, LOL buf[0] = '2' //change to '1' after 84 years, LOL buf[1] = '0' buf[2] = y1[y-2000] buf[3] = y2[y-2000] buf[4] = '/' buf[5] = mo1[mo-1] buf[6] = mo2[mo-1] buf[7] = '/' buf[8] = d1[d-1] buf[9] = d2[d-1] buf[10] = ' ' buf[11] = h1[h] buf[12] = h2[h] buf[13] = ':' buf[14] = mi1[mi] buf[15] = mi2[mi] buf[16] = ':' buf[17] = s1[s] buf[18] = s2[s] buf[19] = ' ' return buf[0:], d } var ( green = string([]byte{27, 91, 57, 55, 59, 52, 50, 109}) white = string([]byte{27, 91, 57, 48, 59, 52, 55, 109}) yellow = string([]byte{27, 91, 57, 55, 59, 52, 51, 109}) red = string([]byte{27, 91, 57, 55, 59, 52, 49, 109}) blue = string([]byte{27, 91, 57, 55, 59, 52, 52, 109}) magenta = string([]byte{27, 91, 57, 55, 59, 52, 53, 109}) cyan = string([]byte{27, 91, 57, 55, 59, 52, 54, 109}) reset = string([]byte{27, 91, 48, 109}) ) func ColorByStatus(code int) string { switch { case code >= 200 && code < 300: return green case code >= 300 && code < 400: return white case code >= 400 && code < 500: return yellow default: return red } } func ColorByMethod(method string) string { switch method { case "GET": return blue case "POST": return cyan case "PUT": return yellow case "DELETE": return red case "PATCH": return green case "HEAD": return magenta case "OPTIONS": return white default: return reset } }