2 * Copyright (C) 1994-1995, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.8 1995-11-20 16:59:46 adam
8 * New update method: the 'old' keys are saved for each records.
10 * Revision 1.7 1995/11/20 11:56:28 adam
11 * Work on new traversal.
13 * Revision 1.6 1995/11/17 15:54:42 adam
14 * Started work on virtual directory structure.
16 * Revision 1.5 1995/10/17 18:02:09 adam
17 * New feature: databases. Implemented as prefix to words in dictionary.
19 * Revision 1.4 1995/09/28 09:19:46 adam
20 * xfree/xmalloc used everywhere.
21 * Extract/retrieve method seems to work for text records.
23 * Revision 1.3 1995/09/06 16:11:18 adam
24 * Option: only one word key per file.
26 * Revision 1.2 1995/09/04 12:33:43 adam
27 * Various cleanup. YAZ util used instead.
29 * Revision 1.1 1995/09/01 14:06:36 adam
30 * Split of work into more files.
38 #include <sys/types.h>
45 static void repository_extract_r (int cmd, char *rep, char *databaseName)
50 size_t rep_len = strlen (rep);
55 if (rep[rep_len-1] != '/')
59 for (i=0; e[i].name; i++)
61 strcpy (rep +rep_len+1, e[i].name);
63 switch (fs.st_mode & S_IFMT)
66 file_extract (cmd, rep, rep, databaseName);
69 repository_extract_r (cmd, rep, databaseName);
76 void copy_file (const char *dst, const char *src)
78 int d_fd = open (dst, O_WRONLY|O_CREAT, 0666);
79 int s_fd = open (src, O_RDONLY);
85 logf (LOG_FATAL|LOG_ERRNO, "Cannot create %s", dst);
90 logf (LOG_FATAL|LOG_ERRNO, "Cannot open %s", src);
94 while ((r=read (s_fd, buf, 4096))>0)
95 for (w = 0; w < r; w += i)
97 i = write (d_fd, buf + w, r - w);
100 logf (LOG_FATAL|LOG_ERRNO, "write");
106 logf (LOG_FATAL|LOG_ERRNO, "read");
114 void del_file (const char *dst)
119 void del_dir (const char *dst)
121 logf (LOG_DEBUG, "rmdir of %s", dst);
122 if (rmdir (dst) == -1)
123 logf (LOG_ERRNO|LOG_WARN, "rmdir");
126 void repository_update_r (int cmd, char *dst, char *src, char *databaseName);
128 void repository_add_tree (int cmd, char *dst, char *src, char *databaseName)
131 repository_update_r (cmd, dst, src, databaseName);
134 void repository_del_tree (int cmd, char *dst, char *src, char *databaseName)
136 size_t dst_len = strlen (dst);
137 size_t src_len = strlen (src);
138 struct dir_entry *e_dst;
142 e_dst = dir_open (dst);
146 if (src[src_len-1] != '/')
150 if (dst[dst_len-1] != '/')
154 while (e_dst[i_dst].name)
156 strcpy (dst +dst_len+1, e_dst[i_dst].name);
157 strcpy (src +src_len+1, e_dst[i_dst].name);
160 switch (fs_dst.st_mode & S_IFMT)
163 file_extract ('d', dst, dst, databaseName);
167 repository_del_tree (cmd, dst, src, databaseName);
180 void repository_update_r (int cmd, char *dst, char *src, char *databaseName)
182 struct dir_entry *e_dst, *e_src;
183 int i_dst = 0, i_src = 0;
184 struct stat fs_dst, fs_src;
185 size_t dst_len = strlen (dst);
186 size_t src_len = strlen (src);
188 e_dst = dir_open (dst);
189 e_src = dir_open (src);
191 if (!e_dst && !e_src)
196 repository_add_tree (cmd, dst, src, databaseName);
202 repository_del_tree (cmd, dst, src, databaseName);
209 if (src[src_len-1] != '/')
213 if (dst[dst_len-1] != '/')
217 while (e_dst[i_dst].name || e_src[i_src].name)
221 if (e_dst[i_dst].name && e_src[i_src].name)
222 sd = strcmp (e_dst[i_dst].name, e_src[i_src].name);
223 else if (e_src[i_src].name)
230 strcpy (dst +dst_len+1, e_dst[i_dst].name);
231 strcpy (src +src_len+1, e_src[i_src].name);
233 /* check type, date, length */
238 switch (fs_dst.st_mode & S_IFMT)
241 if (fs_src.st_ctime > fs_dst.st_ctime)
243 file_extract ('d', dst, dst, databaseName);
244 file_extract ('a', src, dst, databaseName);
245 copy_file (dst, src);
249 repository_update_r (cmd, dst, src, databaseName);
257 strcpy (dst +dst_len+1, e_src[i_src].name);
258 strcpy (src +src_len+1, e_src[i_src].name);
261 switch (fs_src.st_mode & S_IFMT)
264 file_extract ('a', src, dst, databaseName);
265 copy_file (dst, src);
268 repository_add_tree (cmd, dst, src, databaseName);
275 strcpy (dst +dst_len+1, e_dst[i_dst].name);
276 strcpy (src +src_len+1, e_dst[i_dst].name);
279 switch (fs_dst.st_mode & S_IFMT)
282 file_extract ('d', dst, dst, databaseName);
286 repository_del_tree (cmd, dst, src, databaseName);
296 static int repComp (const char *a, const char *b, size_t len)
300 return memcmp (a, b, len);
303 static void repositoryUpdateR (struct dirs_info *di, struct dirs_entry *dst,
304 const char *base, char *src, char *databaseName)
306 struct dir_entry *e_src;
308 static char tmppath[256];
309 size_t src_len = strlen (src);
311 sprintf (tmppath, "%s%s", base, src);
312 e_src = dir_open (tmppath);
315 if (!dst || repComp (dst->path, src, src_len))
317 if (!dst || strcmp (dst->path, src))
323 if (src_len && src[src_len-1] == '/')
327 src[src_len+1] = '\0';
329 dirs_mkdir (di, src, 0);
334 /* delete tree dst */
340 if (src_len && src[src_len-1] == '/')
344 src[src_len+1] = '\0';
346 dst = dirs_read (di);
354 if (dst && !repComp (dst->path, src, src_len+1))
356 if (e_src[i_src].name)
358 logf (LOG_DEBUG, "dst=%s src=%s", dst->path + src_len+1,
360 sd = strcmp (dst->path + src_len+1, e_src[i_src].name);
365 else if (e_src[i_src].name)
369 logf (LOG_DEBUG, "trav sd=%d", sd);
372 strcpy (src + src_len+1, e_src[i_src].name);
373 sprintf (tmppath, "%s%s", base, src);
375 switch (e_src[i_src].kind)
378 if (e_src[i_src].ctime > dst->ctime)
380 if (fileExtract (&dst->sysno, tmppath, databaseName, 0))
381 dirs_add (di, src, dst->sysno, e_src[i_src].ctime);
383 dst = dirs_read (di);
386 repositoryUpdateR (di, dst, base, src, databaseName);
387 dst = dirs_last (di);
388 logf (LOG_DEBUG, "last is %s", dst ? dst->path : "null");
391 dst = dirs_read (di);
398 strcpy (src + src_len+1, e_src[i_src].name);
399 sprintf (tmppath, "%s%s", base, src);
401 switch (e_src[i_src].kind)
404 if (fileExtract (&sysno, tmppath, databaseName, 0))
405 dirs_add (di, src, sysno, e_src[i_src].ctime);
408 repositoryUpdateR (di, dst, base, src, databaseName);
410 dst = dirs_last (di);
423 void repositoryUpdate (const char *path, char *databaseName)
425 struct dirs_info *di;
429 dict = dict_open ("repdict", 40, 1);
431 di = dirs_open (dict, path);
433 repositoryUpdateR (di, dirs_read (di), path, src, databaseName);
439 void repository (int cmd, const char *rep, const char *base_path,
445 strcpy (rep_tmp1, rep);
448 strcpy (rep_tmp2, base_path);
449 repository_update_r (cmd, rep_tmp2, rep_tmp1, databaseName);
452 repository_extract_r (cmd, rep_tmp1, databaseName);