tools/common_write.c

   1 /*
   2  * Copyright (c) 2007, Novell Inc.
   3  *
   4  * This program is licensed under the BSD license, read LICENSE.BSD
   5  * for further information
   6  */
   7
   8 #include <sys/types.h>
   9 #include <limits.h>
  10 #include <fcntl.h>
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <string.h>
  14
  15 #include "pool.h"
  16 #include "repo.h"
  17 #include "repo_write.h"
  18 #include "common_write.h"
  19
  20 static Id verticals[] = {
  21   SOLVABLE_AUTHORS,
  22   SOLVABLE_DESCRIPTION,
  23   SOLVABLE_MESSAGEDEL,
  24   SOLVABLE_MESSAGEINS,
  25   SOLVABLE_EULA,
  26   SOLVABLE_DISKUSAGE,
  27   SOLVABLE_FILELIST,
  28   0
  29 };
  30
  31 static char *languagetags[] = {
  32   "solvable:summary:",
  33   "solvable:description:",
  34   "solvable:messageins:",
  35   "solvable:messagedel:",
  36   "solvable:eula:",
  37   0
  38 };
  39
  40 static int test_separate = 0;
  41
  42 static int
  43 keyfilter_solv(Repo *data, Repokey *key, void *kfdata)
  44 {
  45   int i;
  46   const char *keyname;
  47   if (test_separate && key->storage != KEY_STORAGE_SOLVABLE)
  48     return KEY_STORAGE_DROPPED;
  49   for (i = 0; verticals[i]; i++)
  50     if (key->name == verticals[i])
  51       return KEY_STORAGE_VERTICAL_OFFSET;
  52   keyname = id2str(data->pool, key->name);
  53   for (i = 0; languagetags[i] != 0; i++)
  54     if (!strncmp(keyname, languagetags[i], strlen(languagetags[i])))
  55       return KEY_STORAGE_VERTICAL_OFFSET;
  56   return KEY_STORAGE_INCORE;
  57 }
  58
  59 static int
  60 keyfilter_attr(Repo *data, Repokey *key, void *kfdata)
  61 {
  62   int i;
  63   const char *keyname;
  64   if (key->storage == KEY_STORAGE_SOLVABLE)
  65     return KEY_STORAGE_DROPPED;
  66   for (i = 0; verticals[i]; i++)
  67     if (key->name == verticals[i])
  68       return KEY_STORAGE_VERTICAL_OFFSET;
  69   keyname = id2str(data->pool, key->name);
  70   for (i = 0; languagetags[i] != 0; i++)
  71     if (!strncmp(keyname, languagetags[i], strlen(languagetags[i])))
  72       return KEY_STORAGE_VERTICAL_OFFSET;
  73   return KEY_STORAGE_INCORE;
  74 }
  75
  76 static int
  77 keyfilter_language(Repo *repo, Repokey *key, void *kfdata)
  78 {
  79   const char *name, *p;
  80   char *lang = kfdata, *bname;
  81   int i;
  82   Id id;
  83
  84   name = id2str(repo->pool, key->name);
  85   p = strrchr(name, ':');
  86   if (!p || strcmp(p + 1, lang) != 0)
  87     return KEY_STORAGE_DROPPED;
  88   /* find base name id */
  89   bname = strdup(name);
  90   bname[p - name] = 0;
  91   id = str2id(repo->pool, bname, 1);
  92   for (i = 0; verticals[i]; i++)
  93     if (id == verticals[i])
  94       return KEY_STORAGE_VERTICAL_OFFSET;
  95   return KEY_STORAGE_INCORE;
  96 }
  97
  98 static int
  99 keyfilter_DU(Repo *repo, Repokey *key, void *kfdata)
 100 {
 101   int i;
 102   if (key->name != SOLVABLE_DISKUSAGE)
 103     return KEY_STORAGE_DROPPED;
 104   for (i = 0; verticals[i]; i++)
 105     if (key->name == verticals[i])
 106       return KEY_STORAGE_VERTICAL_OFFSET;
 107   return KEY_STORAGE_INCORE;
 108 }
 109
 110 static int
 111 keyfilter_FL(Repo *repo, Repokey *key, void *kfdata)
 112 {
 113   int i;
 114   if (key->name != SOLVABLE_FILELIST)
 115     return KEY_STORAGE_DROPPED;
 116   for (i = 0; verticals[i]; i++)
 117     if (key->name == verticals[i])
 118       return KEY_STORAGE_VERTICAL_OFFSET;
 119   return KEY_STORAGE_INCORE;
 120 }
 121
 122 struct keyfilter_other_data {
 123   char **languages;
 124   int nlanguages;
 125 };
 126
 127 static int
 128 keyfilter_other(Repo *repo, Repokey *key, void *kfdata)
 129 {
 130   const char *name, *p;
 131   struct keyfilter_other_data *kd = kfdata;
 132   int i;
 133
 134   if (key->name == SOLVABLE_FILELIST || key->name == SOLVABLE_DISKUSAGE)
 135     return KEY_STORAGE_DROPPED;
 136
 137   name = id2str(repo->pool, key->name);
 138   p = strrchr(name, ':');
 139   if (p)
 140     {
 141       for (i = 0; i < kd->nlanguages; i++)
 142         if (!strcmp(p + 1, kd->languages[i]))
 143           return KEY_STORAGE_DROPPED;
 144     }
 145   for (i = 0; verticals[i]; i++)
 146     if (key->name == verticals[i])
 147       return KEY_STORAGE_VERTICAL_OFFSET;
 148   return KEY_STORAGE_INCORE;
 149 }
 150
 151 /*
 152  * Write <repo> to stdout
 153  * If <attrname> is given, write attributes to <attrname>
 154  * If <basename> is given, split attributes
 155  */
 156
 157 #define REPODATAFILE_BLOCK 15
 158
 159 int
 160 tool_write(Repo *repo, const char *basename, const char *attrname)
 161 {
 162   Repodata *data;
 163   Repokey *key;
 164   Repodatafile *fileinfos = 0;
 165   int nfileinfos = 0;
 166   char **languages = 0;
 167   int nlanguages = 0;
 168   int i, j, k, l;
 169
 170   fileinfos = sat_zextend(fileinfos, nfileinfos, 1, sizeof(Repodatafile), REPODATAFILE_BLOCK);
 171   pool_addfileprovides_ids(repo->pool, 0, &fileinfos[nfileinfos].addedfileprovides);
 172   if (repo->rpmdbcookie)
 173     fileinfos[nfileinfos].rpmdbcookie = repo->rpmdbcookie;
 174   if (fileinfos[nfileinfos].addedfileprovides || fileinfos[nfileinfos].rpmdbcookie)
 175     nfileinfos++;
 176
 177   if (basename)
 178     {
 179       struct keyfilter_other_data kd;
 180       char fn[4096];
 181       FILE *fp;
 182       int has_DU = 0;
 183       int has_FL = 0;
 184
 185       /* find languages and other info */
 186       for (i = 0, data = repo->repodata; i < repo->nrepodata; i++, data++)
 187         {
 188           for (j = 1, key = data->keys + j; j < data->nkeys; j++, key++)
 189             {
 190               const char *keyname = id2str(repo->pool, key->name);
 191               if (key->name == SOLVABLE_DISKUSAGE)
 192                 has_DU = 1;
 193               if (key->name == SOLVABLE_FILELIST)
 194                 has_FL = 1;
 195               for (k = 0; languagetags[k] != 0; k++)
 196                 if (!strncmp(keyname, languagetags[k], strlen(languagetags[k])))
 197                   break;
 198               if (!languagetags[k])
 199                 continue;
 200               l = strlen(languagetags[k]);
 201               if (strlen(keyname + l) > 5)
 202                 continue;
 203               for (k = 0; k < nlanguages; k++)
 204                 if (!strcmp(languages[k], keyname + l))
 205                   break;
 206               if (k < nlanguages)
 207                 continue;
 208               languages = sat_realloc2(languages, nlanguages + 1, sizeof(char *));
 209               languages[nlanguages++] = strdup(keyname + l);
 210             }
 211         }
 212       fileinfos = sat_zextend(fileinfos, nfileinfos, nlanguages + 2, sizeof(Repodatafile), REPODATAFILE_BLOCK);
 213       /* write language subfiles */
 214       for (i = 0; i < nlanguages; i++)
 215         {
 216           sprintf(fn, "%s.%s.solv", basename, languages[i]);
 217           if (!(fp = fopen(fn, "w")))
 218             {
 219               perror(fn);
 220               exit(1);
 221             }
 222           repo_write(repo, fp, keyfilter_language, languages[i], fileinfos + nfileinfos, 0);
 223           fileinfos[nfileinfos].location = strdup(fn);
 224           fclose(fp);
 225           nfileinfos++;
 226         }
 227       /* write DU subfile */
 228       if (has_DU)
 229         {
 230           sprintf(fn, "%s.DU.solv", basename);
 231           if (!(fp = fopen(fn, "w")))
 232             {
 233               perror(fn);
 234               exit(1);
 235             }
 236           repo_write(repo, fp, keyfilter_DU, 0, fileinfos + nfileinfos, 0);
 237           fileinfos[nfileinfos].location = strdup(fn);
 238           fclose(fp);
 239           nfileinfos++;
 240         }
 241       /* write filelist */
 242       if (has_FL)
 243         {
 244           sprintf(fn, "%s.FL.solv", basename);
 245           if (!(fp = fopen(fn, "w")))
 246             {
 247               perror(fn);
 248               exit(1);
 249             }
 250           repo_write(repo, fp, keyfilter_FL, 0, fileinfos + nfileinfos, 0);
 251           fileinfos[nfileinfos].location = strdup(fn);
 252           fclose(fp);
 253           nfileinfos++;
 254         }
 255       /* write everything else */
 256       sprintf(fn, "%s.solv", basename);
 257       if (!(fp = fopen(fn, "w")))
 258         {
 259           perror(fn);
 260           exit(1);
 261         }
 262       kd.languages = languages;
 263       kd.nlanguages = nlanguages;
 264       repo_write(repo, fp, keyfilter_other, &kd, nfileinfos ? fileinfos : 0, nfileinfos);
 265       fclose(fp);
 266       for (i = 0; i < nlanguages; i++)
 267         free(languages[i]);
 268       sat_free(languages);
 269       for (i = 0; i < nfileinfos; i++)
 270         {
 271           sat_free(fileinfos[i].addedfileprovides);
 272           sat_free(fileinfos[i].location);
 273           sat_free(fileinfos[i].keys);
 274         }
 275       sat_free(fileinfos);
 276       return 0;
 277     }
 278   if (attrname)
 279     {
 280       fileinfos = sat_zextend(fileinfos, nfileinfos, 1, sizeof(Repodatafile), REPODATAFILE_BLOCK);
 281       test_separate = 1;
 282       FILE *fp = fopen (attrname, "w");
 283       repo_write(repo, fp, keyfilter_attr, 0, fileinfos + nfileinfos, 0);
 284       fileinfos[nfileinfos].location = strdup(attrname);
 285       fclose(fp);
 286       nfileinfos++;
 287     }
 288   repo_write(repo, stdout, keyfilter_solv, 0, nfileinfos ? fileinfos : 0, nfileinfos);
 289   for (i = 0; i < nfileinfos; i++)
 290     {
 291       sat_free(fileinfos[i].addedfileprovides);
 292       sat_free(fileinfos[i].location);
 293       sat_free(fileinfos[i].keys);
 294     }
 295   sat_free(fileinfos);
 296   return 0;
 297 }