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Revise PushPull logs to be more simple
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| /* | ||
| * Copyright 2023 The Yorkie Authors. 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. | ||
| * | ||
| * copy from docker/go-units: | ||
| * https://github.com/docker/go-units/blob/master/size.go | ||
| */ | ||
|
|
||
| package units | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strconv" | ||
| "strings" | ||
| ) | ||
|
|
||
| // See: http://en.wikipedia.org/wiki/Binary_prefix | ||
| const ( | ||
| // Decimal | ||
|
|
||
| KB = 1000 | ||
| MB = 1000 * KB | ||
| GB = 1000 * MB | ||
| TB = 1000 * GB | ||
| PB = 1000 * TB | ||
|
|
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| // Binary | ||
|
|
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| KiB = 1024 | ||
| MiB = 1024 * KiB | ||
| GiB = 1024 * MiB | ||
| TiB = 1024 * GiB | ||
| PiB = 1024 * TiB | ||
| ) | ||
|
|
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| type unitMap map[byte]int64 | ||
|
|
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| var ( | ||
| decimalMap = unitMap{'k': KB, 'm': MB, 'g': GB, 't': TB, 'p': PB} | ||
| binaryMap = unitMap{'k': KiB, 'm': MiB, 'g': GiB, 't': TiB, 'p': PiB} | ||
| ) | ||
|
|
||
| var ( | ||
| decimapAbbrs = []string{"B", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"} | ||
| binaryAbbrs = []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"} | ||
| ) | ||
|
|
||
| func getSizeAndUnit(size float64, base float64, _map []string) (float64, string) { | ||
| i := 0 | ||
| unitsLimit := len(_map) - 1 | ||
| for size >= base && i < unitsLimit { | ||
| size = size / base | ||
| i++ | ||
| } | ||
| return size, _map[i] | ||
| } | ||
|
|
||
| // CustomSize returns a human-readable approximation of a size | ||
| // using custom format. | ||
| func CustomSize(format string, size float64, base float64, _map []string) string { | ||
| size, unit := getSizeAndUnit(size, base, _map) | ||
| return fmt.Sprintf(format, size, unit) | ||
| } | ||
|
|
||
| // HumanSizeWithPrecision allows the size to be in any precision, | ||
| // instead of 4 digit precision used in units.HumanSize. | ||
| func HumanSizeWithPrecision(size float64, precision int) string { | ||
| size, unit := getSizeAndUnit(size, 1000.0, decimapAbbrs) | ||
| return fmt.Sprintf("%.*g%s", precision, size, unit) | ||
| } | ||
|
|
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| // HumanSize returns a human-readable approximation of a size | ||
| // capped at 4 valid numbers (eg. "2.746 MB", "796 KB"). | ||
| func HumanSize(size float64) string { | ||
| return HumanSizeWithPrecision(size, 4) | ||
| } | ||
|
|
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| // BytesSize returns a human-readable size in bytes, kibibytes, | ||
| // mebibytes, gibibytes, or tebibytes (eg. "44kiB", "17MiB"). | ||
| func BytesSize(size float64) string { | ||
| return CustomSize("%.4g%s", size, 1024.0, binaryAbbrs) | ||
| } | ||
|
|
||
| // FromHumanSize returns an integer from a human-readable specification of a | ||
| // size using SI standard (eg. "44kB", "17MB"). | ||
| func FromHumanSize(size string) (int64, error) { | ||
| return parseSize(size, decimalMap) | ||
| } | ||
|
|
||
| // RAMInBytes parses a human-readable string representing an amount of RAM | ||
| // in bytes, kibibytes, mebibytes, gibibytes, or tebibytes and | ||
| // returns the number of bytes, or -1 if the string is unparseable. | ||
| // Units are case-insensitive, and the 'b' suffix is optional. | ||
| func RAMInBytes(size string) (int64, error) { | ||
| return parseSize(size, binaryMap) | ||
| } | ||
|
|
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| // Parses the human-readable size string into the amount it represents. | ||
| func parseSize(sizeStr string, uMap unitMap) (int64, error) { | ||
| // TODO: rewrite to use strings.Cut if there's a space | ||
| // once Go < 1.18 is deprecated. | ||
| sep := strings.LastIndexAny(sizeStr, "01234567890. ") | ||
| if sep == -1 { | ||
| // There should be at least a digit. | ||
| return -1, fmt.Errorf("invalid size: '%s'", sizeStr) | ||
| } | ||
| var num, sfx string | ||
| if sizeStr[sep] != ' ' { | ||
| num = sizeStr[:sep+1] | ||
| sfx = sizeStr[sep+1:] | ||
| } else { | ||
| // Omit the space separator. | ||
| num = sizeStr[:sep] | ||
| sfx = sizeStr[sep+1:] | ||
| } | ||
|
|
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| size, err := strconv.ParseFloat(num, 64) | ||
| if err != nil { | ||
| return -1, err | ||
| } | ||
| // Backward compatibility: reject negative sizes. | ||
| if size < 0 { | ||
| return -1, fmt.Errorf("invalid size: '%s'", sizeStr) | ||
| } | ||
|
|
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| if len(sfx) == 0 { | ||
| return int64(size), nil | ||
| } | ||
|
|
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| // Process the suffix. | ||
|
|
||
| if len(sfx) > 3 { // Too long. | ||
| goto badSuffix | ||
| } | ||
| sfx = strings.ToLower(sfx) | ||
| // Trivial case: b suffix. | ||
| if sfx[0] == 'b' { | ||
| if len(sfx) > 1 { // no extra characters allowed after b. | ||
| goto badSuffix | ||
| } | ||
| return int64(size), nil | ||
| } | ||
| // A suffix from the map. | ||
| if mul, ok := uMap[sfx[0]]; ok { | ||
| size *= float64(mul) | ||
| } else { | ||
| goto badSuffix | ||
| } | ||
|
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| // The suffix may have extra "b" or "ib" (e.g. KiB or MB). | ||
| switch { | ||
| case len(sfx) == 2 && sfx[1] != 'b': | ||
| goto badSuffix | ||
| case len(sfx) == 3 && sfx[1:] != "ib": | ||
| goto badSuffix | ||
| } | ||
|
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| return int64(size), nil | ||
|
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| badSuffix: | ||
| return -1, fmt.Errorf("invalid suffix: '%s'", sfx) | ||
| } | ||
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