1 /* mdb_load.c - memory-mapped database load tool */
3 * Copyright 2011-2016 Howard Chu, Symas Corp.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted only as authorized by the OpenLDAP
10 * A copy of this license is available in the file LICENSE in the
11 * top-level directory of the distribution or, alternatively, at
12 * <http://www.OpenLDAP.org/license.html>.
26 static char *subname = NULL;
37 static MDB_envinfo info;
39 static MDB_val kbuf, dbuf;
44 #define STRLENOF(s) (sizeof(s)-1)
46 typedef struct flagbit {
52 #define S(s) s, STRLENOF(s)
55 { MDB_REVERSEKEY, S("reversekey") },
56 { MDB_DUPSORT, S("dupsort") },
57 { MDB_INTEGERKEY, S("integerkey") },
58 { MDB_DUPFIXED, S("dupfixed") },
59 { MDB_INTEGERDUP, S("integerdup") },
60 { MDB_REVERSEDUP, S("reversedup") },
64 static void readhdr(void)
68 while (fgets(dbuf.mv_data, dbuf.mv_size, stdin) != NULL) {
70 if (!strncmp(dbuf.mv_data, "VERSION=", STRLENOF("VERSION="))) {
71 version=atoi((char *)dbuf.mv_data+STRLENOF("VERSION="));
73 fprintf(stderr, "%s: line %" Z "d: unsupported VERSION %d\n",
74 prog, lineno, version);
77 } else if (!strncmp(dbuf.mv_data, "HEADER=END", STRLENOF("HEADER=END"))) {
79 } else if (!strncmp(dbuf.mv_data, "format=", STRLENOF("format="))) {
80 if (!strncmp((char *)dbuf.mv_data+STRLENOF("FORMAT="), "print", STRLENOF("print")))
82 else if (strncmp((char *)dbuf.mv_data+STRLENOF("FORMAT="), "bytevalue", STRLENOF("bytevalue"))) {
83 fprintf(stderr, "%s: line %" Z "d: unsupported FORMAT %s\n",
84 prog, lineno, (char *)dbuf.mv_data+STRLENOF("FORMAT="));
87 } else if (!strncmp(dbuf.mv_data, "database=", STRLENOF("database="))) {
88 ptr = memchr(dbuf.mv_data, '\n', dbuf.mv_size);
90 if (subname) free(subname);
91 subname = strdup((char *)dbuf.mv_data+STRLENOF("database="));
92 } else if (!strncmp(dbuf.mv_data, "type=", STRLENOF("type="))) {
93 if (strncmp((char *)dbuf.mv_data+STRLENOF("type="), "btree", STRLENOF("btree"))) {
94 fprintf(stderr, "%s: line %" Z "d: unsupported type %s\n",
95 prog, lineno, (char *)dbuf.mv_data+STRLENOF("type="));
98 } else if (!strncmp(dbuf.mv_data, "mapaddr=", STRLENOF("mapaddr="))) {
100 ptr = memchr(dbuf.mv_data, '\n', dbuf.mv_size);
101 if (ptr) *ptr = '\0';
102 i = sscanf((char *)dbuf.mv_data+STRLENOF("mapaddr="), "%p", &info.me_mapaddr);
104 fprintf(stderr, "%s: line %" Z "d: invalid mapaddr %s\n",
105 prog, lineno, (char *)dbuf.mv_data+STRLENOF("mapaddr="));
108 } else if (!strncmp(dbuf.mv_data, "mapsize=", STRLENOF("mapsize="))) {
110 ptr = memchr(dbuf.mv_data, '\n', dbuf.mv_size);
111 if (ptr) *ptr = '\0';
112 i = sscanf((char *)dbuf.mv_data+STRLENOF("mapsize="), "%" Y "u", &info.me_mapsize);
114 fprintf(stderr, "%s: line %" Z "d: invalid mapsize %s\n",
115 prog, lineno, (char *)dbuf.mv_data+STRLENOF("mapsize="));
118 } else if (!strncmp(dbuf.mv_data, "maxreaders=", STRLENOF("maxreaders="))) {
120 ptr = memchr(dbuf.mv_data, '\n', dbuf.mv_size);
121 if (ptr) *ptr = '\0';
122 i = sscanf((char *)dbuf.mv_data+STRLENOF("maxreaders="), "%u", &info.me_maxreaders);
124 fprintf(stderr, "%s: line %" Z "d: invalid maxreaders %s\n",
125 prog, lineno, (char *)dbuf.mv_data+STRLENOF("maxreaders="));
130 for (i=0; dbflags[i].bit; i++) {
131 if (!strncmp(dbuf.mv_data, dbflags[i].name, dbflags[i].len) &&
132 ((char *)dbuf.mv_data)[dbflags[i].len] == '=') {
133 flags |= dbflags[i].bit;
137 if (!dbflags[i].bit) {
138 ptr = memchr(dbuf.mv_data, '=', dbuf.mv_size);
140 fprintf(stderr, "%s: line %" Z "d: unexpected format\n",
145 fprintf(stderr, "%s: line %" Z "d: unrecognized keyword ignored: %s\n",
146 prog, lineno, (char *)dbuf.mv_data);
153 static void badend(void)
155 fprintf(stderr, "%s: line %" Z "d: unexpected end of input\n",
159 static int unhex(unsigned char *c2)
173 static int readline(MDB_val *out, MDB_val *buf)
175 unsigned char *c1, *c2, *end;
179 if (!(mode & NOHDR)) {
187 if (fgets(buf->mv_data, buf->mv_size, stdin) == NULL) {
193 if (c == 'D' && !strncmp(buf->mv_data, "ATA=END", STRLENOF("ATA=END")))
198 if (fgets(buf->mv_data, buf->mv_size, stdin) == NULL) {
205 len = strlen((char *)c1);
208 /* Is buffer too short? */
209 while (c1[len-1] != '\n') {
210 buf->mv_data = realloc(buf->mv_data, buf->mv_size*2);
213 fprintf(stderr, "%s: line %" Z "d: out of memory, line too long\n",
219 if (fgets((char *)c1, buf->mv_size+1, stdin) == NULL) {
225 len = strlen((char *)c1);
228 c1 = c2 = buf->mv_data;
239 if (c2+3 > end || !isxdigit(c2[1]) || !isxdigit(c2[2])) {
252 /* odd length not allowed */
259 if (!isxdigit(*c2) || !isxdigit(c2[1])) {
268 c2 = out->mv_data = buf->mv_data;
269 out->mv_size = c1 - c2;
274 static void usage(void)
276 fprintf(stderr, "usage: %s [-V] [-f input] [-n] [-s name] [-N] [-T] dbpath\n", prog);
280 int main(int argc, char *argv[])
288 int envflags = 0, putflags = 0;
297 /* -f: load file instead of stdin
298 * -n: use NOSUBDIR flag on env_open
299 * -s: load into named subDB
300 * -N: use NOOVERWRITE on puts
302 * -V: print version and exit
304 while ((i = getopt(argc, argv, "f:ns:NTV")) != EOF) {
307 printf("%s\n", MDB_VERSION_STRING);
311 if (freopen(optarg, "r", stdin) == NULL) {
312 fprintf(stderr, "%s: %s: reopen: %s\n",
313 prog, optarg, strerror(errno));
318 envflags |= MDB_NOSUBDIR;
321 subname = strdup(optarg);
324 putflags = MDB_NOOVERWRITE|MDB_NODUPDATA;
327 mode |= NOHDR | PRINT;
334 if (optind != argc - 1)
338 dbuf.mv_data = malloc(dbuf.mv_size);
343 envname = argv[optind];
344 rc = mdb_env_create(&env);
346 fprintf(stderr, "mdb_env_create failed, error %d %s\n", rc, mdb_strerror(rc));
350 mdb_env_set_maxdbs(env, 2);
352 if (info.me_maxreaders)
353 mdb_env_set_maxreaders(env, info.me_maxreaders);
356 mdb_env_set_mapsize(env, info.me_mapsize);
359 envflags |= MDB_FIXEDMAP;
361 rc = mdb_env_open(env, envname, envflags, 0664);
363 fprintf(stderr, "mdb_env_open failed, error %d %s\n", rc, mdb_strerror(rc));
367 kbuf.mv_size = mdb_env_get_maxkeysize(env) * 2 + 2;
368 kbuf.mv_data = malloc(kbuf.mv_size);
377 } else if (!(mode & NOHDR))
380 rc = mdb_txn_begin(env, NULL, 0, &txn);
382 fprintf(stderr, "mdb_txn_begin failed, error %d %s\n", rc, mdb_strerror(rc));
386 rc = mdb_open(txn, subname, flags|MDB_CREATE, &dbi);
388 fprintf(stderr, "mdb_open failed, error %d %s\n", rc, mdb_strerror(rc));
392 rc = mdb_cursor_open(txn, dbi, &mc);
394 fprintf(stderr, "mdb_cursor_open failed, error %d %s\n", rc, mdb_strerror(rc));
399 rc = readline(&key, &kbuf);
400 if (rc) /* rc == EOF */
403 rc = readline(&data, &dbuf);
405 fprintf(stderr, "%s: line %" Z "d: failed to read key value\n", prog, lineno);
409 rc = mdb_cursor_put(mc, &key, &data, putflags);
410 if (rc == MDB_KEYEXIST && putflags)
413 fprintf(stderr, "mdb_cursor_put failed, error %d %s\n", rc, mdb_strerror(rc));
418 rc = mdb_txn_commit(txn);
420 fprintf(stderr, "%s: line %" Z "d: txn_commit: %s\n",
421 prog, lineno, mdb_strerror(rc));
424 rc = mdb_txn_begin(env, NULL, 0, &txn);
426 fprintf(stderr, "mdb_txn_begin failed, error %d %s\n", rc, mdb_strerror(rc));
429 rc = mdb_cursor_open(txn, dbi, &mc);
431 fprintf(stderr, "mdb_cursor_open failed, error %d %s\n", rc, mdb_strerror(rc));
437 rc = mdb_txn_commit(txn);
440 fprintf(stderr, "%s: line %" Z "d: txn_commit: %s\n",
441 prog, lineno, mdb_strerror(rc));
444 mdb_dbi_close(env, dbi);
452 return rc ? EXIT_FAILURE : EXIT_SUCCESS;