named speedType
Vladimir Bauer
6 years ago
| 4 | 4 | "io" |
| 5 | 5 | "math" |
| 6 | 6 | "strconv" |
| 7 | "strings" | |
| 8 | 7 | ) |
| 9 | 8 | |
| 10 | 9 | //go:generate stringer -type=SizeB1024 -trimprefix=_i |
| 51 | 50 | unit = _iTiB |
| 52 | 51 | } |
| 53 | 52 | |
| 54 | var b strings.Builder | |
| 55 | b.WriteString(strconv.FormatFloat(float64(self)/float64(unit), 'f', prec, 64)) | |
| 53 | io.WriteString(st, strconv.FormatFloat(float64(self)/float64(unit), 'f', prec, 64)) | |
| 56 | 54 | |
| 57 | 55 | if st.Flag(' ') { |
| 58 | b.WriteString(" ") | |
| 56 | io.WriteString(st, " ") | |
| 59 | 57 | } |
| 60 | b.WriteString(unit.String()) | |
| 61 | ||
| 62 | if w, ok := st.Width(); ok { | |
| 63 | if l := b.Len(); l < w { | |
| 64 | pad := strings.Repeat(" ", w-l) | |
| 65 | if st.Flag('-') { | |
| 66 | b.WriteString(pad) | |
| 67 | } else { | |
| 68 | tmp := b.String() | |
| 69 | b.Reset() | |
| 70 | b.WriteString(pad) | |
| 71 | b.WriteString(tmp) | |
| 72 | } | |
| 73 | } | |
| 74 | } | |
| 75 | ||
| 76 | io.WriteString(st, b.String()) | |
| 58 | io.WriteString(st, unit.String()) | |
| 77 | 59 | } |
| 78 | 60 | |
| 79 | 61 | const ( |
| 117 | 99 | unit = _TB |
| 118 | 100 | } |
| 119 | 101 | |
| 120 | var b strings.Builder | |
| 121 | b.WriteString(strconv.FormatFloat(float64(self)/float64(unit), 'f', prec, 64)) | |
| 102 | io.WriteString(st, strconv.FormatFloat(float64(self)/float64(unit), 'f', prec, 64)) | |
| 122 | 103 | |
| 123 | 104 | if st.Flag(' ') { |
| 124 | b.WriteString(" ") | |
| 105 | io.WriteString(st, " ") | |
| 125 | 106 | } |
| 126 | b.WriteString(unit.String()) | |
| 127 | ||
| 128 | if w, ok := st.Width(); ok { | |
| 129 | if l := b.Len(); l < w { | |
| 130 | pad := strings.Repeat(" ", w-l) | |
| 131 | if st.Flag('-') { | |
| 132 | b.WriteString(pad) | |
| 133 | } else { | |
| 134 | tmp := b.String() | |
| 135 | b.Reset() | |
| 136 | b.WriteString(pad) | |
| 137 | b.WriteString(tmp) | |
| 138 | } | |
| 139 | } | |
| 140 | } | |
| 141 | ||
| 142 | io.WriteString(st, b.String()) | |
| 107 | io.WriteString(st, unit.String()) | |
| 143 | 108 | } |
| 21 | 21 | "verb % .1f": {12345678, "% .1f", "11.8 MiB"}, |
| 22 | 22 | "verb % .2f": {12345678, "% .2f", "11.77 MiB"}, |
| 23 | 23 | "verb % .3f": {12345678, "% .3f", "11.774 MiB"}, |
| 24 | ||
| 25 | "verb %8.f": {12345678, "%8.f", " 12MiB"}, | |
| 26 | "verb %8.0f": {12345678, "%8.0f", " 12MiB"}, | |
| 27 | "verb %8.1f": {12345678, "%8.1f", " 11.8MiB"}, | |
| 28 | "verb %8.2f": {12345678, "%8.2f", "11.77MiB"}, | |
| 29 | "verb %8.3f": {12345678, "%8.3f", "11.774MiB"}, | |
| 30 | ||
| 31 | "verb % 8.f": {12345678, "% 8.f", " 12 MiB"}, | |
| 32 | "verb % 8.0f": {12345678, "% 8.0f", " 12 MiB"}, | |
| 33 | "verb % 8.1f": {12345678, "% 8.1f", "11.8 MiB"}, | |
| 34 | ||
| 35 | "verb %-8.f": {12345678, "%-8.f", "12MiB "}, | |
| 36 | "verb %-8.0f": {12345678, "%-8.0f", "12MiB "}, | |
| 37 | "verb %-8.1f": {12345678, "%-8.1f", "11.8MiB "}, | |
| 38 | "verb %-8.2f": {12345678, "%8.2f", "11.77MiB"}, | |
| 39 | "verb %-8.3f": {12345678, "%8.3f", "11.774MiB"}, | |
| 40 | ||
| 41 | "verb % -8.f": {12345678, "% -8.f", "12 MiB "}, | |
| 42 | "verb % -8.0f": {12345678, "% -8.0f", "12 MiB "}, | |
| 43 | "verb % -8.1f": {12345678, "% -8.1f", "11.8 MiB"}, | |
| 44 | 24 | |
| 45 | 25 | "1000 %f": {1000, "%f", "1000.000000b"}, |
| 46 | 26 | "1000 %d": {1000, "%d", "1000b"}, |
| 90 | 70 | "verb % .2f": {12345678, "% .2f", "12.35 MB"}, |
| 91 | 71 | "verb % .3f": {12345678, "% .3f", "12.346 MB"}, |
| 92 | 72 | |
| 93 | "verb %8.f": {12345678, "%8.f", " 12MB"}, | |
| 94 | "verb %8.0f": {12345678, "%8.0f", " 12MB"}, | |
| 95 | "verb %8.1f": {12345678, "%8.1f", " 12.3MB"}, | |
| 96 | "verb %8.2f": {12345678, "%8.2f", " 12.35MB"}, | |
| 97 | "verb %8.3f": {12345678, "%8.3f", "12.346MB"}, | |
| 98 | ||
| 99 | "verb % 8.f": {12345678, "% 8.f", " 12 MB"}, | |
| 100 | "verb % 8.0f": {12345678, "% 8.0f", " 12 MB"}, | |
| 101 | "verb % 8.1f": {12345678, "% 8.1f", " 12.3 MB"}, | |
| 102 | ||
| 103 | "verb %-8.f": {12345678, "%-8.f", "12MB "}, | |
| 104 | "verb %-8.0f": {12345678, "%-8.0f", "12MB "}, | |
| 105 | "verb %-8.1f": {12345678, "%-8.1f", "12.3MB "}, | |
| 106 | "verb %-8.2f": {12345678, "%8.2f", " 12.35MB"}, | |
| 107 | "verb %-8.3f": {12345678, "%8.3f", "12.346MB"}, | |
| 108 | ||
| 109 | "verb % -8.f": {12345678, "% -8.f", "12 MB "}, | |
| 110 | "verb % -8.0f": {12345678, "% -8.0f", "12 MB "}, | |
| 111 | "verb % -8.1f": {12345678, "% -8.1f", "12.3 MB "}, | |
| 112 | ||
| 113 | 73 | "1000 %f": {1000, "%f", "1.000000KB"}, |
| 114 | 74 | "1000 %d": {1000, "%d", "1KB"}, |
| 115 | 75 | "1000 %s": {1000, "%s", "1KB"}, |
| 1 | 1 | |
| 2 | 2 | import ( |
| 3 | 3 | "fmt" |
| 4 | "io" | |
| 4 | 5 | "math" |
| 5 | 6 | "time" |
| 6 | 7 | |
| 7 | 8 | "github.com/VividCortex/ewma" |
| 8 | 9 | ) |
| 10 | ||
| 11 | const ( | |
| 12 | perSecond = "/s" | |
| 13 | ) | |
| 14 | ||
| 15 | type speedType struct { | |
| 16 | sizeT fmt.Formatter | |
| 17 | perSecond string | |
| 18 | } | |
| 19 | ||
| 20 | func (self *speedType) Format(st fmt.State, verb rune) { | |
| 21 | self.sizeT.Format(st, verb) | |
| 22 | io.WriteString(st, self.perSecond) | |
| 23 | } | |
| 24 | ||
| 25 | func sizePerSecond(sizeT fmt.Formatter) fmt.Formatter { | |
| 26 | return &speedType{ | |
| 27 | sizeT: sizeT, | |
| 28 | perSecond: perSecond, | |
| 29 | } | |
| 30 | } | |
| 9 | 31 | |
| 10 | 32 | // EwmaSpeed exponential-weighted-moving-average based speed decorator. |
| 11 | 33 | // Note that it's necessary to supply bar.Incr* methods with incremental |
| 41 | 63 | wc.Init() |
| 42 | 64 | if fmt == "" { |
| 43 | 65 | fmt = "%.0f" |
| 44 | } | |
| 45 | if unit > 0 { | |
| 46 | fmt += "/s" | |
| 47 | 66 | } |
| 48 | 67 | d := &movingAverageSpeed{ |
| 49 | 68 | WC: wc, |
| 134 | 153 | if fmt == "" { |
| 135 | 154 | fmt = "%.0f" |
| 136 | 155 | } |
| 137 | if unit > 0 { | |
| 138 | fmt += "/s" | |
| 139 | } | |
| 140 | 156 | d := &averageSpeed{ |
| 141 | 157 | WC: wc, |
| 142 | 158 | unit: unit, |
| 168 | 184 | |
| 169 | 185 | switch d.unit { |
| 170 | 186 | case UnitKiB: |
| 171 | d.msg = fmt.Sprintf(d.fmt, SizeB1024(math.Round(speed))) | |
| 187 | d.msg = fmt.Sprintf(d.fmt, sizePerSecond(SizeB1024(math.Round(speed)))) | |
| 172 | 188 | case UnitKB: |
| 173 | d.msg = fmt.Sprintf(d.fmt, SizeB1000(math.Round(speed))) | |
| 189 | d.msg = fmt.Sprintf(d.fmt, sizePerSecond(SizeB1000(math.Round(speed)))) | |
| 174 | 190 | default: |
| 175 | 191 | d.msg = fmt.Sprintf(d.fmt, speed) |
| 176 | 192 | } |