| 1 | /* -*-c-*- |
| 2 | * |
| 3 | * Main entry point for test-vector processing |
| 4 | * |
| 5 | * (c) 2023 Straylight/Edgeware |
| 6 | */ |
| 7 | |
| 8 | /*----- Licensing notice --------------------------------------------------* |
| 9 | * |
| 10 | * This file is part of the mLib utilities library. |
| 11 | * |
| 12 | * mLib is free software: you can redistribute it and/or modify it under |
| 13 | * the terms of the GNU Library General Public License as published by |
| 14 | * the Free Software Foundation; either version 2 of the License, or (at |
| 15 | * your option) any later version. |
| 16 | * |
| 17 | * mLib is distributed in the hope that it will be useful, but WITHOUT |
| 18 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
| 20 | * License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU Library General Public |
| 23 | * License along with mLib. If not, write to the Free Software |
| 24 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| 25 | * USA. |
| 26 | */ |
| 27 | |
| 28 | /*----- Header files ------------------------------------------------------*/ |
| 29 | |
| 30 | #include "config.h" |
| 31 | |
| 32 | #include <ctype.h> |
| 33 | #include <errno.h> |
| 34 | #include <stdio.h> |
| 35 | #include <stdlib.h> |
| 36 | #include <string.h> |
| 37 | |
| 38 | #include <unistd.h> |
| 39 | |
| 40 | #include "bench.h" |
| 41 | #include "dstr.h" |
| 42 | #include "macros.h" |
| 43 | #include "mdwopt.h" |
| 44 | #include "quis.h" |
| 45 | #include "report.h" |
| 46 | #include "tvec.h" |
| 47 | |
| 48 | /*----- Main code ---------------------------------------------------------*/ |
| 49 | |
| 50 | static const struct outform { |
| 51 | const char *name; |
| 52 | struct tvec_output *(*makefn)(FILE *fp); |
| 53 | } outtab[] = { |
| 54 | { "human", tvec_humanoutput }, |
| 55 | { "tap", tvec_tapoutput }, |
| 56 | { 0, 0 } |
| 57 | }; |
| 58 | |
| 59 | static struct bench_state benchstate; |
| 60 | |
| 61 | const struct tvec_info tvec_adhocinfo = |
| 62 | { 0, 1, 1, sizeof(struct tvec_reg) }; |
| 63 | |
| 64 | static const struct outform *find_outform(const char *p) |
| 65 | { |
| 66 | const struct outform *best = 0, *of; |
| 67 | size_t n = strlen(p); |
| 68 | |
| 69 | for (of = outtab; of->name; of++) |
| 70 | if (!STRNCMP(p, ==, of->name, n)) |
| 71 | ; |
| 72 | else if (!of->name[n]) |
| 73 | return (of); |
| 74 | else if (best) |
| 75 | die(2, "ambiguous output format name (`%s' or `%s'?)", |
| 76 | best->name, of->name); |
| 77 | else |
| 78 | best = of; |
| 79 | if (best) return (best); |
| 80 | else die(2, "unknown output format `%s'", optarg); |
| 81 | } |
| 82 | |
| 83 | static void version(FILE *fp) |
| 84 | { pquis(fp, "$, mLib test-vector framework version " VERSION "\n"); } |
| 85 | |
| 86 | static void usage(FILE *fp) |
| 87 | { |
| 88 | pquis(fp, "\ |
| 89 | usage: $ [-f FORMAT] [-o OUTPUT] [-t SECS] [TEST-FILE ...]\n\ |
| 90 | "); |
| 91 | } |
| 92 | |
| 93 | static void help(FILE *fp) |
| 94 | { |
| 95 | version(fp); fputc('\n', fp); |
| 96 | usage(fp); fputs("\ |
| 97 | Options:\n\ |
| 98 | -h, --help show this help text.\n\ |
| 99 | -v, --version show version number.\n\ |
| 100 | -u, --usage show usage synopsis.\n\ |
| 101 | \n\ |
| 102 | -f, --format=FORMAT produce output in FORMAT.\n\ |
| 103 | -o, --output=OUTPUT write output to OUTPUT file.\n\ |
| 104 | -t, --target=SECS aim to run benchmarks for SECS.\n\ |
| 105 | ", fp); |
| 106 | } |
| 107 | |
| 108 | void tvec_parseargs(int argc, char *argv[], struct tvec_state *tv_out, |
| 109 | int *argpos_out, const struct tvec_info *info) |
| 110 | { |
| 111 | FILE *ofp = 0; |
| 112 | const struct outform *of = 0; |
| 113 | struct tvec_output *o; |
| 114 | struct bench_timer *tm; |
| 115 | const char *p; char *q; |
| 116 | int opt; |
| 117 | double t; |
| 118 | unsigned f = 0; |
| 119 | #define f_bogus 1u |
| 120 | |
| 121 | static const struct option options[] = { |
| 122 | { "help", 0, 0, 'h' }, |
| 123 | { "version", 0, 0, 'v' }, |
| 124 | { "usage", 0, 0, 'u' }, |
| 125 | |
| 126 | { "format", OPTF_ARGREQ, 0, 'f' }, |
| 127 | { "output", OPTF_ARGREQ, 0, 'o' }, |
| 128 | { "target", OPTF_ARGREQ, 0, 't' }, |
| 129 | { 0, 0, 0, 0 } |
| 130 | }; |
| 131 | |
| 132 | tvec_benchstate = &benchstate; |
| 133 | tm = bench_createtimer(); bench_init(&benchstate, tm); |
| 134 | ego(argv[0]); |
| 135 | for (;;) { |
| 136 | opt = mdwopt(argc, argv, "hvu" "f:o:t:", options, 0, 0, 0); |
| 137 | if (opt < 0) break; |
| 138 | switch (opt) { |
| 139 | case 'h': help(stdout); exit(0); |
| 140 | case 'v': version(stdout); exit(0); |
| 141 | case 'u': usage(stdout); exit(0); |
| 142 | |
| 143 | case 'f': of = find_outform(optarg); break; |
| 144 | case 'o': |
| 145 | if (ofp) fclose(ofp); |
| 146 | ofp = fopen(optarg, "w"); |
| 147 | if (!ofp) |
| 148 | die(2, "failed to open `%s' for writing: %s", |
| 149 | optarg, strerror(errno)); |
| 150 | break; |
| 151 | case 't': |
| 152 | errno = 0; t = strtod(optarg, &q); |
| 153 | while (ISSPACE(*q)) q++; |
| 154 | if (errno || *q || t < 0) die(2, "invalid time `%s'", optarg); |
| 155 | benchstate.target_s = t; |
| 156 | break; |
| 157 | |
| 158 | default: |
| 159 | f |= f_bogus; |
| 160 | break; |
| 161 | } |
| 162 | } |
| 163 | if (f&f_bogus) { usage(stderr); exit(2); } |
| 164 | if (!ofp) ofp = stdout; |
| 165 | if (!of) { |
| 166 | p = getenv("TVEC_FORMAT"); |
| 167 | if (p) of = find_outform(p); |
| 168 | } |
| 169 | if (of) o = of->makefn(ofp); |
| 170 | else o = tvec_dfltout(ofp); |
| 171 | |
| 172 | tvec_begin(tv_out, info, o); *argpos_out = optind; |
| 173 | } |
| 174 | |
| 175 | void tvec_readstdin(struct tvec_state *tv) |
| 176 | { tvec_read(tv, "<stdin>", stdin); } |
| 177 | |
| 178 | void tvec_readfile(struct tvec_state *tv, const char *file) |
| 179 | { |
| 180 | FILE *fp; |
| 181 | |
| 182 | fp = fopen(file, "r"); |
| 183 | if (!fp) |
| 184 | tvec_error(tv, "failed to open `%s' for reading: %s", |
| 185 | file, strerror(errno)); |
| 186 | tvec_read(tv, file, fp); |
| 187 | fclose(fp); |
| 188 | } |
| 189 | |
| 190 | void tvec_readdflt(struct tvec_state *tv, const char *file) |
| 191 | { |
| 192 | dstr d = DSTR_INIT; |
| 193 | const char *p; |
| 194 | |
| 195 | if (file) { |
| 196 | p = getenv("srcdir"); |
| 197 | if (p) |
| 198 | { dstr_putf(&d, "%s/%s", p, file); file = d.buf; } |
| 199 | tvec_readfile(tv, file); |
| 200 | } else if (isatty(0)) |
| 201 | tvec_error(tv, "use `-' to force reading from interactive stdin"); |
| 202 | else |
| 203 | tvec_readstdin(tv); |
| 204 | } |
| 205 | |
| 206 | void tvec_readarg(struct tvec_state *tv, const char *arg) |
| 207 | { |
| 208 | if (STRCMP(arg, ==, "-")) tvec_readstdin(tv); |
| 209 | else tvec_readfile(tv, arg); |
| 210 | } |
| 211 | |
| 212 | void tvec_readargs(int argc, char *argv[], struct tvec_state *tv, |
| 213 | int *argpos_inout, const char *dflt) |
| 214 | { |
| 215 | int i = *argpos_inout; |
| 216 | |
| 217 | |
| 218 | if (i == argc) tvec_readdflt(tv, dflt); |
| 219 | else while (i < argc) tvec_readarg(tv, argv[i++]); |
| 220 | *argpos_inout = i; |
| 221 | } |
| 222 | |
| 223 | int tvec_main(int argc, char *argv[], |
| 224 | const struct tvec_info *info, const char *dflt) |
| 225 | { |
| 226 | struct tvec_state tv; |
| 227 | int argpos; |
| 228 | |
| 229 | tvec_parseargs(argc, argv, &tv, &argpos, info); |
| 230 | tvec_readargs(argc, argv, &tv, &argpos, dflt); |
| 231 | return (tvec_end(&tv)); |
| 232 | } |
| 233 | |
| 234 | /*----- That's all, folks -------------------------------------------------*/ |