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;
28 static mdb_size_t lineno;
37 static MDB_envinfo info;
39 static MDB_val kbuf, dbuf;
43 #define STRLENOF(s) (sizeof(s)-1)
45 typedef struct flagbit {
51 #define S(s) s, STRLENOF(s)
54 { MDB_REVERSEKEY, S("reversekey") },
55 { MDB_DUPSORT, S("dupsort") },
56 { MDB_INTEGERKEY, S("integerkey") },
57 { MDB_DUPFIXED, S("dupfixed") },
58 { MDB_INTEGERDUP, S("integerdup") },
59 { MDB_REVERSEDUP, S("reversedup") },
63 static void readhdr(void)
67 while (fgets(dbuf.mv_data, dbuf.mv_size, stdin) != NULL) {
69 if (!strncmp(dbuf.mv_data, "VERSION=", STRLENOF("VERSION="))) {
70 version=atoi((char *)dbuf.mv_data+STRLENOF("VERSION="));
72 fprintf(stderr, "%s: line %" Y "u: unsupported VERSION %d\n",
73 prog, lineno, version);
76 } else if (!strncmp(dbuf.mv_data, "HEADER=END", STRLENOF("HEADER=END"))) {
78 } else if (!strncmp(dbuf.mv_data, "format=", STRLENOF("format="))) {
79 if (!strncmp((char *)dbuf.mv_data+STRLENOF("FORMAT="), "print", STRLENOF("print")))
81 else if (strncmp((char *)dbuf.mv_data+STRLENOF("FORMAT="), "bytevalue", STRLENOF("bytevalue"))) {
82 fprintf(stderr, "%s: line %" Y "u: unsupported FORMAT %s\n",
83 prog, lineno, (char *)dbuf.mv_data+STRLENOF("FORMAT="));
86 } else if (!strncmp(dbuf.mv_data, "database=", STRLENOF("database="))) {
87 ptr = memchr(dbuf.mv_data, '\n', dbuf.mv_size);
89 if (subname) free(subname);
90 subname = strdup((char *)dbuf.mv_data+STRLENOF("database="));
91 } else if (!strncmp(dbuf.mv_data, "type=", STRLENOF("type="))) {
92 if (strncmp((char *)dbuf.mv_data+STRLENOF("type="), "btree", STRLENOF("btree"))) {
93 fprintf(stderr, "%s: line %" Y "u: unsupported type %s\n",
94 prog, lineno, (char *)dbuf.mv_data+STRLENOF("type="));
97 } else if (!strncmp(dbuf.mv_data, "mapaddr=", STRLENOF("mapaddr="))) {
99 ptr = memchr(dbuf.mv_data, '\n', dbuf.mv_size);
100 if (ptr) *ptr = '\0';
101 i = sscanf((char *)dbuf.mv_data+STRLENOF("mapaddr="), "%p", &info.me_mapaddr);
103 fprintf(stderr, "%s: line %" Y "u: invalid mapaddr %s\n",
104 prog, lineno, (char *)dbuf.mv_data+STRLENOF("mapaddr="));
107 } else if (!strncmp(dbuf.mv_data, "mapsize=", STRLENOF("mapsize="))) {
109 ptr = memchr(dbuf.mv_data, '\n', dbuf.mv_size);
110 if (ptr) *ptr = '\0';
111 i = sscanf((char *)dbuf.mv_data+STRLENOF("mapsize="), "%" Y "u", &info.me_mapsize);
113 fprintf(stderr, "%s: line %" Y "u: invalid mapsize %s\n",
114 prog, lineno, (char *)dbuf.mv_data+STRLENOF("mapsize="));
117 } else if (!strncmp(dbuf.mv_data, "maxreaders=", STRLENOF("maxreaders="))) {
119 ptr = memchr(dbuf.mv_data, '\n', dbuf.mv_size);
120 if (ptr) *ptr = '\0';
121 i = sscanf((char *)dbuf.mv_data+STRLENOF("maxreaders="), "%u", &info.me_maxreaders);
123 fprintf(stderr, "%s: line %" Y "u: invalid maxreaders %s\n",
124 prog, lineno, (char *)dbuf.mv_data+STRLENOF("maxreaders="));
129 for (i=0; dbflags[i].bit; i++) {
130 if (!strncmp(dbuf.mv_data, dbflags[i].name, dbflags[i].len) &&
131 ((char *)dbuf.mv_data)[dbflags[i].len] == '=') {
132 flags |= dbflags[i].bit;
136 if (!dbflags[i].bit) {
137 ptr = memchr(dbuf.mv_data, '=', dbuf.mv_size);
139 fprintf(stderr, "%s: line %" Y "u: unexpected format\n",
144 fprintf(stderr, "%s: line %" Y "u: unrecognized keyword ignored: %s\n",
145 prog, lineno, (char *)dbuf.mv_data);
152 static void badend(void)
154 fprintf(stderr, "%s: line %" Y "u: unexpected end of input\n",
158 static int unhex(unsigned char *c2)
172 static int readline(MDB_val *out, MDB_val *buf)
174 unsigned char *c1, *c2, *end;
178 if (!(mode & NOHDR)) {
186 if (fgets(buf->mv_data, buf->mv_size, stdin) == NULL) {
192 if (c == 'D' && !strncmp(buf->mv_data, "ATA=END", STRLENOF("ATA=END")))
197 if (fgets(buf->mv_data, buf->mv_size, stdin) == NULL) {
204 len = strlen((char *)c1);
207 /* Is buffer too short? */
208 while (c1[len-1] != '\n') {
209 buf->mv_data = realloc(buf->mv_data, buf->mv_size*2);
212 fprintf(stderr, "%s: line %" Y "u: out of memory, line too long\n",
218 if (fgets((char *)c1, buf->mv_size+1, stdin) == NULL) {
224 len = strlen((char *)c1);
227 c1 = c2 = buf->mv_data;
238 if (c2+3 > end || !isxdigit(c2[1]) || !isxdigit(c2[2])) {
251 /* odd length not allowed */
258 if (!isxdigit(*c2) || !isxdigit(c2[1])) {
267 c2 = out->mv_data = buf->mv_data;
268 out->mv_size = c1 - c2;
273 static void usage(void)
275 fprintf(stderr, "usage: %s [-V] [-f input] [-n] [-s name] [-N] [-T] dbpath\n", prog);
279 int main(int argc, char *argv[])
287 int envflags = 0, putflags = 0;
296 /* -f: load file instead of stdin
297 * -n: use NOSUBDIR flag on env_open
298 * -s: load into named subDB
299 * -N: use NOOVERWRITE on puts
301 * -V: print version and exit
303 while ((i = getopt(argc, argv, "f:ns:NTV")) != EOF) {
306 printf("%s\n", MDB_VERSION_STRING);
310 if (freopen(optarg, "r", stdin) == NULL) {
311 fprintf(stderr, "%s: %s: reopen: %s\n",
312 prog, optarg, strerror(errno));
317 envflags |= MDB_NOSUBDIR;
320 subname = strdup(optarg);
323 putflags = MDB_NOOVERWRITE|MDB_NODUPDATA;
326 mode |= NOHDR | PRINT;
333 if (optind != argc - 1)
337 dbuf.mv_data = malloc(dbuf.mv_size);
342 envname = argv[optind];
343 rc = mdb_env_create(&env);
345 fprintf(stderr, "mdb_env_create failed, error %d %s\n", rc, mdb_strerror(rc));
349 mdb_env_set_maxdbs(env, 2);
351 if (info.me_maxreaders)
352 mdb_env_set_maxreaders(env, info.me_maxreaders);
355 mdb_env_set_mapsize(env, info.me_mapsize);
358 envflags |= MDB_FIXEDMAP;
360 rc = mdb_env_open(env, envname, envflags, 0664);
362 fprintf(stderr, "mdb_env_open failed, error %d %s\n", rc, mdb_strerror(rc));
366 kbuf.mv_size = mdb_env_get_maxkeysize(env) * 2 + 2;
367 kbuf.mv_data = malloc(kbuf.mv_size);
376 } else if (!(mode & NOHDR))
379 rc = mdb_txn_begin(env, NULL, 0, &txn);
381 fprintf(stderr, "mdb_txn_begin failed, error %d %s\n", rc, mdb_strerror(rc));
385 rc = mdb_open(txn, subname, flags|MDB_CREATE, &dbi);
387 fprintf(stderr, "mdb_open failed, error %d %s\n", rc, mdb_strerror(rc));
391 rc = mdb_cursor_open(txn, dbi, &mc);
393 fprintf(stderr, "mdb_cursor_open failed, error %d %s\n", rc, mdb_strerror(rc));
398 rc = readline(&key, &kbuf);
399 if (rc) /* rc == EOF */
402 rc = readline(&data, &dbuf);
404 fprintf(stderr, "%s: line %" Y "u: failed to read key value\n", prog, lineno);
408 rc = mdb_cursor_put(mc, &key, &data, putflags);
409 if (rc == MDB_KEYEXIST && putflags)
412 fprintf(stderr, "mdb_cursor_put failed, error %d %s\n", rc, mdb_strerror(rc));
417 rc = mdb_txn_commit(txn);
419 fprintf(stderr, "%s: line %" Y "u: txn_commit: %s\n",
420 prog, lineno, mdb_strerror(rc));
423 rc = mdb_txn_begin(env, NULL, 0, &txn);
425 fprintf(stderr, "mdb_txn_begin failed, error %d %s\n", rc, mdb_strerror(rc));
428 rc = mdb_cursor_open(txn, dbi, &mc);
430 fprintf(stderr, "mdb_cursor_open failed, error %d %s\n", rc, mdb_strerror(rc));
436 rc = mdb_txn_commit(txn);
439 fprintf(stderr, "%s: line %" Y "u: txn_commit: %s\n",
440 prog, lineno, mdb_strerror(rc));
443 mdb_dbi_close(env, dbi);
451 return rc ? EXIT_FAILURE : EXIT_SUCCESS;