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annotate third_party/wrk/src/units.c @ 279:b3b547563ec7

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Add Google connector service and agent wiki Implement the C/Seobeo Google Drive and Gmail connector with encrypted OAuth storage, Zenbu authentication, browser testing, AI tool discovery, chunked HTTP decoding, and Bazel coverage. Consolidate repository guidance into progressive wiki documentation and enforce arena-first allocation for new first-party C code. Co-authored-by: Copilot <[email protected]> Copilot-Session: 84c338fd-0939-4bb3-b7f3-1062eb213e5d
author MrJuneJune <me@mrjunejune.com>
date Mon, 17 Aug 2026 22:22:36 -0700
parents 94705b5986b3
children
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178
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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1 // Copyright (C) 2012 - Will Glozer. All rights reserved.
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2
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3 #include <stdlib.h>
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4 #include <stdio.h>
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5 #include <strings.h>
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6 #include <inttypes.h>
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7
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8 #include "units.h"
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9 #include "aprintf.h"
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10
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11 typedef struct {
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12 int scale;
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13 char *base;
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14 char *units[];
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15 } units;
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16
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17 units time_units_us = {
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18 .scale = 1000,
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19 .base = "us",
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20 .units = { "ms", "s", NULL }
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21 };
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22
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23 units time_units_s = {
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24 .scale = 60,
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25 .base = "s",
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26 .units = { "m", "h", NULL }
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27 };
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28
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29 units binary_units = {
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30 .scale = 1024,
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31 .base = "",
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32 .units = { "K", "M", "G", "T", "P", NULL }
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33 };
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34
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35 units metric_units = {
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36 .scale = 1000,
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37 .base = "",
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38 .units = { "k", "M", "G", "T", "P", NULL }
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39 };
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40
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41 static char *format_units(long double n, units *m, int p) {
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42 long double amt = n, scale;
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43 char *unit = m->base;
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44 char *msg = NULL;
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45
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46 scale = m->scale * 0.85;
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47
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48 for (int i = 0; m->units[i+1] && amt >= scale; i++) {
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49 amt /= m->scale;
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50 unit = m->units[i];
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51 }
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52
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53 aprintf(&msg, "%.*Lf%s", p, amt, unit);
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54
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55 return msg;
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56 }
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57
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58 static int scan_units(char *s, uint64_t *n, units *m) {
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59 uint64_t base, scale = 1;
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60 char unit[3] = { 0, 0, 0 };
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61 int i, c;
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62
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63 if ((c = sscanf(s, "%"SCNu64"%2s", &base, unit)) < 1) return -1;
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64
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65 if (c == 2 && strncasecmp(unit, m->base, 3)) {
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66 for (i = 0; m->units[i] != NULL; i++) {
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67 scale *= m->scale;
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68 if (!strncasecmp(unit, m->units[i], 3)) break;
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69 }
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70 if (m->units[i] == NULL) return -1;
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71 }
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72
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73 *n = base * scale;
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74 return 0;
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75 }
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76
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77 char *format_binary(long double n) {
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78 return format_units(n, &binary_units, 2);
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79 }
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80
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81 char *format_metric(long double n) {
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82 return format_units(n, &metric_units, 2);
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83 }
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84
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85 char *format_time_us(long double n) {
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86 units *units = &time_units_us;
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87 if (n >= 1000000.0) {
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88 n /= 1000000.0;
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89 units = &time_units_s;
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90 }
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91 return format_units(n, units, 2);
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92 }
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93
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94 char *format_time_s(long double n) {
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95 return format_units(n, &time_units_s, 0);
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96 }
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97
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98 int scan_metric(char *s, uint64_t *n) {
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99 return scan_units(s, n, &metric_units);
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100 }
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101
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102 int scan_time(char *s, uint64_t *n) {
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103 return scan_units(s, n, &time_units_s);
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104 }