/*
- * $Id: cnid_open.c,v 1.18 2001-11-04 22:13:50 jmarcus Exp $
+ * $Id: cnid_open.c,v 1.19.2.3 2001-12-15 06:35:28 jmarcus Exp $
*
* Copyright (c) 1999. Adrian Sun (asun@zoology.washington.edu)
* All Rights Reserved. See COPYRIGHT.
#include <sys/param.h>
#include <sys/stat.h>
#include <syslog.h>
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif /* HAVE_SYS_TIME_H */
#include <db.h>
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif /* ! MIN */
-#define DBHOME ".AppleDB"
-#define DBCNID "cnid.db"
-#define DBDEVINO "devino.db"
-#define DBDIDNAME "didname.db" /* did/full name mapping */
-#define DBSHORTNAME "shortname.db" /* did/8+3 mapping */
-#define DBMACNAME "macname.db" /* did/31 mapping */
-#define DBLONGNAME "longname.db" /* did/unicode mapping */
-#define DBLOCKFILE "cnid.lock"
+#define DBHOME ".AppleDB"
+#define DBCNID "cnid.db"
+#define DBDEVINO "devino.db"
+#define DBDIDNAME "didname.db" /* did/full name mapping */
+#define DBSHORTNAME "shortname.db" /* did/8+3 mapping */
+#define DBMACNAME "macname.db" /* did/31 mapping */
+#define DBLONGNAME "longname.db" /* did/unicode mapping */
+#define DBLOCKFILE "cnid.lock"
+#define DBRECOVERFILE "cnid.dbrecover"
+#define DBCLOSEFILE "cnid.close"
#define DBHOMELEN 8
#define DBLEN 10
#define DBOPTIONS (DB_CREATE | DB_INIT_MPOOL | DB_INIT_LOCK | \
DB_INIT_LOG | DB_INIT_TXN)
#else /* DB_VERSION_MINOR < 1 */
-/*#define DBOPTIONS (DB_CREATE | DB_INIT_MPOOL | DB_INIT_LOCK | \
-DB_INIT_LOG | DB_INIT_TXN | DB_TXN_NOSYNC)*/
#define DBOPTIONS (DB_CREATE | DB_INIT_MPOOL | DB_INIT_LOCK | \
-DB_INIT_LOG | DB_INIT_TXN)
+DB_INIT_LOG | DB_INIT_TXN | DB_TXN_NOSYNC)
+/*#define DBOPTIONS (DB_CREATE | DB_INIT_MPOOL | DB_INIT_LOCK | \
+DB_INIT_LOG | DB_INIT_TXN)*/
#endif /* DB_VERSION_MINOR */
+/* Let's try and use the random deadlock decider if available. This adds
+ * a bit of entropy to the mix that might be beneficial. If random isn't
+ * available, we'll decide deadlocks by kicking off the youngest process.
+ * If we can't do that, then let DB3 use its default deadlock detector. */
+#ifdef DB_LOCK_RANDOM
+#define DEAD_LOCK_DETECT DB_LOCK_RANDOM
+#elif defined DB_LOCK_YOUNGEST
+#define DEAD_LOCK_DETECT DB_LOCK_YOUNGEST
+#else /* DB_LOCK_RANDOM */
+#define DEAD_LOCK_DETECT DB_LOCK_DEFAULT
+#endif /* DB_LOCK_RANDOM */
+
#define MAXITER 0xFFFF /* maximum number of simultaneously open CNID
- * databases. */
+* databases. */
/* the first compare that's always done. */
static __inline__ int compare_did(const DBT *a, const DBT *b)
{
- u_int32_t dida, didb;
+ u_int32_t dida, didb;
- memcpy(&dida, a->data, sizeof(dida));
- memcpy(&didb, b->data, sizeof(didb));
- return dida - didb;
+ memcpy(&dida, a->data, sizeof(dida));
+ memcpy(&didb, b->data, sizeof(didb));
+ return dida - didb;
}
/* sort did's and then names. this is for unix paths.
static int compare_unix(const DBT *a, const DBT *b)
#endif /* DB_VERSION_MINOR */
{
- u_int8_t *sa, *sb;
- int len, ret;
+ u_int8_t *sa, *sb;
+ int len, ret;
- /* sort by did */
- if ((ret = compare_did(a, b)))
- return ret;
+ /* sort by did */
+ if ((ret = compare_did(a, b)))
+ return ret;
- sa = (u_int8_t *) a->data + 4; /* shift past did */
- sb = (u_int8_t *) b->data + 4;
- for (len = MIN(a->size, b->size); len-- > 4; sa++, sb++)
- if ((ret = (*sa - *sb)))
- return ret; /* sort by lexical ordering */
+ sa = (u_int8_t *) a->data + 4; /* shift past did */
+ sb = (u_int8_t *) b->data + 4;
+ for (len = MIN(a->size, b->size); len-- > 4; sa++, sb++)
+ if ((ret = (*sa - *sb)))
+ return ret; /* sort by lexical ordering */
- return a->size - b->size; /* sort by length */
+ return a->size - b->size; /* sort by length */
}
/* sort did's and then names. this is for macified paths (i.e.,
static int compare_mac(const DBT *a, const DBT *b)
#endif /* DB_VERSION_MINOR */
{
- u_int8_t *sa, *sb;
- int len, ret;
+ u_int8_t *sa, *sb;
+ int len, ret;
- /* sort by did */
- if ((ret = compare_did(a, b)))
- return ret;
+ /* sort by did */
+ if ((ret = compare_did(a, b)))
+ return ret;
- sa = (u_int8_t *) a->data + 4;
- sb = (u_int8_t *) b->data + 4;
- for (len = MIN(a->size, b->size); len-- > 4; sa++, sb++)
- if ((ret = (_diacasemap[*sa] - _diacasemap[*sb])))
- return ret; /* sort by lexical ordering */
+ sa = (u_int8_t *) a->data + 4;
+ sb = (u_int8_t *) b->data + 4;
+ for (len = MIN(a->size, b->size); len-- > 4; sa++, sb++)
+ if ((ret = (_diacasemap[*sa] - _diacasemap[*sb])))
+ return ret; /* sort by lexical ordering */
- return a->size - b->size; /* sort by length */
+ return a->size - b->size; /* sort by length */
}
static int have_lock = 0;
void *cnid_open(const char *dir) {
- struct stat st;
- struct flock lock;
- char path[MAXPATHLEN + 1];
- CNID_private *db;
- DBT key, data;
- DB_TXN *tid;
- u_int32_t DBEXTRAS = 0;
- int open_flag, len;
- int rc;
-
- if (!dir) {
- return NULL;
- }
-
- /* this checks .AppleDB */
- if ((len = strlen(dir)) > (MAXPATHLEN - DBLEN - 1)) {
- syslog(LOG_ERR, "cnid_open: Pathname too large: %s", dir);
- return NULL;
- }
-
- if ((db = (CNID_private *)calloc(1, sizeof(CNID_private))) == NULL) {
- syslog(LOG_ERR, "cnid_open: Unable to allocate memory for database");
- return NULL;
- }
-
- db->magic = CNID_DB_MAGIC;
-
- strcpy(path, dir);
- if (path[len - 1] != '/') {
- strcat(path, "/");
- len++;
- }
-
- lock.l_type = F_WRLCK;
- lock.l_whence = SEEK_SET;
-
- strcpy(path + len, DBHOME);
- if ((stat(path, &st) < 0) && (ad_mkdir(path, 0777) < 0)) {
- syslog(LOG_ERR, "cnid_open: DBHOME mkdir failed");
- goto fail_adouble;
- }
-
- /* Search for a byte lock. This allows us to cleanup the log files
- * at cnid_close() in a clean fashion.
- *
- * NOTE: This won't work if multiple volumes for the same user refer
- * to the sahe directory. */
- strcat(path, DBLOCKFILE);
- if ((db->lockfd = open(path, O_RDWR | O_CREAT, 0666)) > -1) {
- lock.l_start = 0;
- lock.l_len = 1;
- while (fcntl(db->lockfd, F_SETLK, &lock) < 0) {
- if (++lock.l_start > MAXITER) {
- syslog(LOG_INFO, "cnid_open: Cannot establish logfile cleanup lock (lock failed)");
- close(db->lockfd);
- db->lockfd = -1;
- break;
- }
- }
- }
- else {
- syslog(LOG_INFO, "cnid_open: Cannot establish logfile cleanup lock (open() failed)");
- }
-
- if (!have_lock && db->lockfd > -1 && lock.l_start == 0) {
- /* We test to see if we have exclusive database access. If we do, we
- * will open the database with the DB_RECOVER flag.
- */
-#ifdef DEBUG
- syslog(LOG_INFO, "cnid_open: Opening database with DB_RECOVER flag");
-#endif
- DBEXTRAS |= DB_RECOVER;
- have_lock = 1;
- }
-
-
- path[len + DBHOMELEN] = '\0';
- open_flag = DB_CREATE;
-
- /* We need to be able to open the database environment with full
- * transaction, logging, and locking support if we ever hope to
- * be a true multi-acess file server. */
- if ((rc = db_env_create(&db->dbenv, 0)) != 0) {
- syslog(LOG_ERR, "cnid_open: db_env_create: %s", db_strerror(rc));
- goto fail_lock;
- }
-
- /* Setup internal deadlock detection. */
- if ((rc = db->dbenv->set_lk_detect(db->dbenv, DB_LOCK_DEFAULT)) != 0) {
- syslog(LOG_ERR, "cnid_open: set_lk_detect: %s", db_strerror(rc));
- goto fail_lock;
- }
+ struct stat st, rsb, csb;
+ struct flock lock;
+ char path[MAXPATHLEN + 1];
+ char recover_file[MAXPATHLEN + 1];
+ CNID_private *db;
+ DBT key, data;
+ DB_TXN *tid;
+ u_int32_t DBEXTRAS = 0;
+ int open_flag, len;
+ int rc, rfd = -1;
+
+ if (!dir) {
+ return NULL;
+ }
+
+ /* this checks .AppleDB */
+ if ((len = strlen(dir)) > (MAXPATHLEN - DBLEN - 1)) {
+ syslog(LOG_ERR, "cnid_open: Pathname too large: %s", dir);
+ return NULL;
+ }
+
+ if ((db = (CNID_private *)calloc(1, sizeof(CNID_private))) == NULL) {
+ syslog(LOG_ERR, "cnid_open: Unable to allocate memory for database");
+ return NULL;
+ }
+
+ db->magic = CNID_DB_MAGIC;
+
+ strcpy(path, dir);
+ if (path[len - 1] != '/') {
+ strcat(path, "/");
+ len++;
+ }
+
+ lock.l_type = F_WRLCK;
+ lock.l_whence = SEEK_SET;
+
+ strcpy(path + len, DBHOME);
+ if ((stat(path, &st) < 0) && (ad_mkdir(path, 0777) < 0)) {
+ syslog(LOG_ERR, "cnid_open: DBHOME mkdir failed for %s", path);
+ goto fail_adouble;
+ }
+
+ /* Make sure cnid.lock goes in .AppleDB. */
+ strcat(path, "/");
+ len++;
+
+ strcpy(db->close_file, path);
+ strcat(db->close_file, DBCLOSEFILE);
+
+ /* Check to make sure that a client isn't in the process of closing
+ * the database environment. To do this, select on the close file. */
+ while(stat(db->close_file, &csb) == 0) {
+ struct timeval ct;
+ ct.tv_sec = 1;
+ ct.tv_usec = 0;
+ (void)select(0, NULL, NULL, NULL, &ct);
+ }
+
+ strcpy(recover_file, path);
+ strcat(recover_file, DBRECOVERFILE);
+
+ /* Search for a byte lock. This allows us to cleanup the log files
+ * at cnid_close() in a clean fashion.
+ *
+ * NOTE: This won't work if multiple volumes for the same user refer
+ * to the sahe directory. */
+ strcat(path, DBLOCKFILE);
+ if ((db->lockfd = open(path, O_RDWR | O_CREAT, 0666)) > -1) {
+ lock.l_start = 0;
+ lock.l_len = 1;
+ while (fcntl(db->lockfd, F_SETLK, &lock) < 0) {
+ if (++lock.l_start > MAXITER) {
+ syslog(LOG_ERR, "cnid_open: Cannot establish logfile cleanup for database environment %s lock (lock failed)", path);
+ close(db->lockfd);
+ db->lockfd = -1;
+ break;
+ }
+ }
+ }
+ else {
+ syslog(LOG_ERR, "cnid_open: Cannot establish logfile cleanup lock for database environment %s (open() failed)", path);
+ }
+
+ /* Create a file to represent database recovery. While this file
+ * exists, the database is being recovered, and all other clients will
+ * select until recovery is complete, and this file goes away. */
+ if (!have_lock && db->lockfd > -1 && lock.l_start == 0) {
+ if (stat(recover_file, &rsb) == 0) {
+ (void)remove(recover_file);
+ }
+ if ((rfd = open(recover_file, O_RDWR | O_CREAT, 0666)) > -1) {
+ DBEXTRAS |= DB_RECOVER;
+ have_lock = 1;
+ }
+ }
+ else if (!have_lock) {
+ while (stat(recover_file, &rsb) == 0) {
+ struct timeval rt;
+ rt.tv_sec = 1;
+ rt.tv_usec = 0;
+ (void)select(0, NULL, NULL, NULL, &rt);
+ }
+ }
+
+ path[len + DBHOMELEN] = '\0';
+ open_flag = DB_CREATE;
+
+ /* We need to be able to open the database environment with full
+ * transaction, logging, and locking support if we ever hope to
+ * be a true multi-acess file server. */
+ if ((rc = db_env_create(&db->dbenv, 0)) != 0) {
+ syslog(LOG_ERR, "cnid_open: db_env_create: %s", db_strerror(rc));
+ goto fail_lock;
+ }
+
+ /* Setup internal deadlock detection. */
+ if ((rc = db->dbenv->set_lk_detect(db->dbenv, DEAD_LOCK_DETECT)) != 0) {
+ syslog(LOG_ERR, "cnid_open: set_lk_detect: %s", db_strerror(rc));
+ goto fail_lock;
+ }
#if DB_VERSION_MINOR > 1
- /* Take care of setting the DB_TXN_NOSYNC flag in db3 > 3.1.x. */
-/* if ((rc = db->dbenv->set_flags(db->dbenv, DB_TXN_NOSYNC, 1)) != 0) {
- syslog(LOG_ERR, "cnid_open: set_flags: %s", db_strerror(rc));
- goto fail_lock;
- }*/
+ /* Take care of setting the DB_TXN_NOSYNC flag in db3 > 3.1.x. */
+ if ((rc = db->dbenv->set_flags(db->dbenv, DB_TXN_NOSYNC, 1)) != 0) {
+ syslog(LOG_ERR, "cnid_open: set_flags: %s", db_strerror(rc));
+ goto fail_lock;
+ }
#endif /* DB_VERSION_MINOR > 1 */
- /* Open the database environment. */
- if ((rc = db->dbenv->open(db->dbenv, path, DBOPTIONS | DBEXTRAS, 0666)) != 0) {
- if (rc == DB_RUNRECOVERY) {
- /* This is the mother of all errors. We _must_ fail here. */
- syslog(LOG_ERR, "cnid_open: CATASTROPHIC ERROR opening database environment. Run db_recovery -c immediately");
- goto fail_lock;
- }
-
- /* We can't get a full transactional environment, so multi-access
- * is out of the question. Let's assume a read-only environment,
- * and trry to at least get a shared memory pool. */
- if ((rc = db->dbenv->open(db->dbenv, path, DB_INIT_MPOOL, 0666)) != 0) {
- /* Nope, not a MPOOL, either. Last-ditch effort: we'll try to
- * open the environment with no flags. */
- if ((rc = db->dbenv->open(db->dbenv, path, 0, 0666)) != 0) {
- syslog(LOG_ERR, "cnid_open: dbenv->open of %s failed: %s",
- path, db_strerror(rc));
- goto fail_lock;
- }
- }
- db->flags |= CNIDFLAG_DB_RO;
- open_flag = DB_RDONLY;
- syslog(LOG_INFO, "cnid_open: Obtained read-only database environment");
- }
-
- /* did/name reverse mapping. We use a BTree for this one. */
- if ((rc = db_create(&db->db_didname, db->dbenv, 0)) != 0) {
- syslog(LOG_ERR, "cnid_open: Failed to create did/name database: %s",
- db_strerror(rc));
- goto fail_appinit;
- }
-
- db->db_didname->set_bt_compare(db->db_didname, &compare_unix);
- if ((rc = db->db_didname->open(db->db_didname, DBDIDNAME, NULL,
- DB_BTREE, open_flag, 0666))) {
- syslog(LOG_ERR, "cnid_open: Failed to open did/name database: %s",
- db_strerror(rc));
- goto fail_appinit;
- }
-
- /* Check for version. This way we can update the database if we need
- * to change the format in any way. */
- memset(&key, 0, sizeof(key));
- memset(&data, 0, sizeof(data));
- key.data = DBVERSION_KEY;
- key.size = DBVERSION_KEYLEN;
+ /* Open the database environment. */
+ if ((rc = db->dbenv->open(db->dbenv, path, DBOPTIONS | DBEXTRAS, 0666)) != 0) {
+ if (rc == DB_RUNRECOVERY) {
+ /* This is the mother of all errors. We _must_ fail here. */
+ syslog(LOG_ERR, "cnid_open: CATASTROPHIC ERROR opening database environment %s. Run db_recovery -c immediately", path);
+ goto fail_lock;
+ }
+
+ /* We can't get a full transactional environment, so multi-access
+ * is out of the question. Let's assume a read-only environment,
+ * and try to at least get a shared memory pool. */
+ if ((rc = db->dbenv->open(db->dbenv, path, DB_INIT_MPOOL, 0666)) != 0) {
+ /* Nope, not a MPOOL, either. Last-ditch effort: we'll try to
+ * open the environment with no flags. */
+ if ((rc = db->dbenv->open(db->dbenv, path, 0, 0666)) != 0) {
+ syslog(LOG_ERR, "cnid_open: dbenv->open of %s failed: %s",
+ path, db_strerror(rc));
+ goto fail_lock;
+ }
+ }
+ db->flags |= CNIDFLAG_DB_RO;
+ open_flag = DB_RDONLY;
+ syslog(LOG_INFO, "cnid_open: Obtained read-only database environment %s", path);
+ }
+
+ /* If we have the recovery lock, close the file, remove it, so other
+ * clients can proceed opening the DB environment. */
+ if (rfd > -1) {
+ (void)remove(recover_file);
+ switch(errno) {
+ case 0:
+ case ENOENT:
+ break;
+ default:
+ syslog(LOG_ERR, "cnid_open: Unable to remove %s: %s",
+ recover_file, strerror(errno));
+ }
+ close(rfd);
+ rfd = -1;
+ }
+
+ /* did/name reverse mapping. We use a BTree for this one. */
+ if ((rc = db_create(&db->db_didname, db->dbenv, 0)) != 0) {
+ syslog(LOG_ERR, "cnid_open: Failed to create did/name database: %s",
+ db_strerror(rc));
+ goto fail_appinit;
+ }
+
+ db->db_didname->set_bt_compare(db->db_didname, &compare_unix);
+ if ((rc = db->db_didname->open(db->db_didname, DBDIDNAME, NULL,
+ DB_BTREE, open_flag, 0666))) {
+ syslog(LOG_ERR, "cnid_open: Failed to open did/name database: %s",
+ db_strerror(rc));
+ goto fail_appinit;
+ }
+
+ /* Check for version. This way we can update the database if we need
+ * to change the format in any way. */
+ memset(&key, 0, sizeof(key));
+ memset(&data, 0, sizeof(data));
+ key.data = DBVERSION_KEY;
+ key.size = DBVERSION_KEYLEN;
dbversion_retry:
- if ((rc = txn_begin(db->dbenv, NULL, &tid, 0)) != 0) {
- syslog(LOG_ERR, "cnid_open: txn_begin: failed to check db version: %s",
- db_strerror(rc));
- db->db_didname->close(db->db_didname, 0);
- goto fail_appinit;
- }
-
- while ((rc = db->db_didname->get(db->db_didname, tid, &key, &data, DB_RMW))) {
- int ret;
- switch (rc) {
- case DB_LOCK_DEADLOCK:
- if ((ret = txn_abort(tid)) != 0) {
- syslog(LOG_ERR, "cnid_open: txn_abort: %s", db_strerror(ret));
- db->db_didname->close(db->db_didname, 0);
- goto fail_appinit;
- }
- goto dbversion_retry;
- case DB_NOTFOUND:
- {
- u_int32_t version = htonl(DBVERSION);
-
- data.data = &version;
- data.size = sizeof(version);
- }
-
- if ((ret = db->db_didname->put(db->db_didname, tid, &key, &data,
- DB_NOOVERWRITE))) {
- if (ret == DB_LOCK_DEADLOCK) {
- if ((ret = txn_abort(tid)) != 0) {
- syslog(LOG_ERR, "cnid_open: txn_abort: %s",
- db_strerror(ret));
- db->db_didname->close(db->db_didname, 0);
- goto fail_appinit;
- }
- goto dbversion_retry;
- }
- else if (ret == DB_RUNRECOVERY) {
- /* At this point, we don't care if the transaction aborts
- * successfully or not. */
- txn_abort(tid);
- syslog(LOG_ERR, "cnid_open: Error putting new version: %s",
- db_strerror(ret));
- db->db_didname->close(db->db_didname, 0);
- goto fail_appinit;
- }
- }
- break; /* while loop */
- default:
- txn_abort(tid);
- syslog(LOG_ERR, "cnid_open: Failed to check db version: %s",
- db_strerror(rc));
- db->db_didname->close(db->db_didname, 0);
- goto fail_appinit;
- }
- }
-
- if ((rc = txn_commit(tid, 0)) != 0) {
- syslog(LOG_ERR, "cnid_open: Failed to commit db version: %s",
- db_strerror(rc));
- db->db_didname->close(db->db_didname, 0);
- goto fail_appinit;
- }
-
- /* TODO In the future we might check for version number here. */
+ if ((rc = txn_begin(db->dbenv, NULL, &tid, 0)) != 0) {
+ syslog(LOG_ERR, "cnid_open: txn_begin: failed to check db version: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+
+ while ((rc = db->db_didname->get(db->db_didname, tid, &key, &data, DB_RMW))) {
+ int ret;
+ switch (rc) {
+ case DB_LOCK_DEADLOCK:
+ if ((ret = txn_abort(tid)) != 0) {
+ syslog(LOG_ERR, "cnid_open: txn_abort: %s", db_strerror(ret));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+ goto dbversion_retry;
+ case DB_NOTFOUND:
+ {
+ u_int32_t version = htonl(DBVERSION);
+
+ data.data = &version;
+ data.size = sizeof(version);
+ }
+
+ if ((ret = db->db_didname->put(db->db_didname, tid, &key, &data,
+ DB_NOOVERWRITE))) {
+ if (ret == DB_LOCK_DEADLOCK) {
+ if ((ret = txn_abort(tid)) != 0) {
+ syslog(LOG_ERR, "cnid_open: txn_abort: %s",
+ db_strerror(ret));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+ goto dbversion_retry;
+ }
+ else if (ret == DB_RUNRECOVERY) {
+ /* At this point, we don't care if the transaction aborts
+ * successfully or not. */
+ txn_abort(tid);
+ syslog(LOG_ERR, "cnid_open: Error putting new version: %s",
+ db_strerror(ret));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+ }
+ break; /* while loop */
+ default:
+ txn_abort(tid);
+ syslog(LOG_ERR, "cnid_open: Failed to check db version: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+ }
+
+ if ((rc = txn_commit(tid, 0)) != 0) {
+ syslog(LOG_ERR, "cnid_open: Failed to commit db version: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+
+ /* TODO In the future we might check for version number here. */
#if 0
- memcpy(&version, data.data, sizeof(version));
- if (version != ntohl(DBVERSION)) {
- /* Do stuff here. */
- }
+ memcpy(&version, data.data, sizeof(version));
+ if (version != ntohl(DBVERSION)) {
+ /* Do stuff here. */
+ }
#endif /* 0 */
#ifdef EXTENDED_DB
- /* did/macname (31 character) mapping. Use a BTree for this one. */
- if ((rc = db_create(&db->db_macname, db->dbenv, 0)) != 0) {
- syslog(LOG_ERR, "cnid_open: Failed to create did/macname database: %s",
- db_strerror(rc));
- db->db_didname->close(db->db_didname, 0);
- goto fail_appinit;
- }
-
- db->db_macname->set_bt_compare(db->db_macname, &compare_mac);
- if ((rc = db->db_macname->open(db->db_macname, DBMACNAME, NULL, DB_BTREE, open_flag, 0666)) != 0) {
- syslog(LOG_ERR, "cnid_open: Failed to open did/macname database: %s",
- db_strerror(rc));
- db->db_didname->close(db->db_didname, 0);
- goto fail_appinit;
- }
-
- /* did/shortname (DOS 8.3) mapping. Use a BTree for this one. */
- if ((rc = db_create(&db->db_shortname, db->dbenv, 0)) != 0) {
- syslog(LOG_ERR, "cnid_open: Failed to create did/shortname database: %s",
- db_strerror(rc));
- db->db_didname->close(db->db_didname, 0);
- db->db_macname->close(db->db_macname, 0);
- goto fail_appinit;
- }
-
- db->db_shortname->set_bt_compare(db->db_shortname, &compare_mac);
- if ((rc = db->db_shortname->open(db->db_shortname, DBSHORTNAME, NULL, DB_BTREE, open_flag, 0666)) != 0) {
- syslog(LOG_ERR, "cnid_open: Failed to open did/shortname database: %s",
- db_strerror(rc));
- db->db_didname->close(db->db_didname, 0);
- db->db_macname->close(db->db_macname, 0);
- goto fail_appinit;
- }
-
- /* did/longname (Unicode) mapping. Use a BTree for this one. */
- if ((rc = db_create(&db->db_longname, db->dbenv, 0)) != 0) {
- syslog(LOG_ERR, "cnid_open: Failed to create did/longname database: %s",
- db_strerror(rc));
- db->db_didname->close(db->db_didname, 0);
- db->db_macname->close(db->db_macname, 0);
- db->db_shortname->close(db->db_shortname, 0);
- goto fail_appinit;
- }
-
- db->db_longname->set_bt_compare(db->db_longname, &compare_unicode);
- if ((rc = db->db_longname->open(db->db_longname, DBLONGNAME, NULL, DB_BTREE, open_flag, 0666)) != 0) {
- syslog(LOG_ERR, "cnid_open: Failed to open did/longname database: %s",
- db_strerror(rc));
- db->db_didname->close(db->db_didname, 0);
- db->db_macname->close(db->db_macname, 0);
- db->db_shortname->close(db->db_shortname, 0);
- goto fail_appinit;
- }
+ /* did/macname (31 character) mapping. Use a BTree for this one. */
+ if ((rc = db_create(&db->db_macname, db->dbenv, 0)) != 0) {
+ syslog(LOG_ERR, "cnid_open: Failed to create did/macname database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+
+ db->db_macname->set_bt_compare(db->db_macname, &compare_mac);
+ if ((rc = db->db_macname->open(db->db_macname, DBMACNAME, NULL, DB_BTREE, open_flag, 0666)) != 0) {
+ syslog(LOG_ERR, "cnid_open: Failed to open did/macname database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+
+ /* did/shortname (DOS 8.3) mapping. Use a BTree for this one. */
+ if ((rc = db_create(&db->db_shortname, db->dbenv, 0)) != 0) {
+ syslog(LOG_ERR, "cnid_open: Failed to create did/shortname database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ db->db_macname->close(db->db_macname, 0);
+ goto fail_appinit;
+ }
+
+ db->db_shortname->set_bt_compare(db->db_shortname, &compare_mac);
+ if ((rc = db->db_shortname->open(db->db_shortname, DBSHORTNAME, NULL, DB_BTREE, open_flag, 0666)) != 0) {
+ syslog(LOG_ERR, "cnid_open: Failed to open did/shortname database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ db->db_macname->close(db->db_macname, 0);
+ goto fail_appinit;
+ }
+
+ /* did/longname (Unicode) mapping. Use a BTree for this one. */
+ if ((rc = db_create(&db->db_longname, db->dbenv, 0)) != 0) {
+ syslog(LOG_ERR, "cnid_open: Failed to create did/longname database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ db->db_macname->close(db->db_macname, 0);
+ db->db_shortname->close(db->db_shortname, 0);
+ goto fail_appinit;
+ }
+
+ db->db_longname->set_bt_compare(db->db_longname, &compare_unicode);
+ if ((rc = db->db_longname->open(db->db_longname, DBLONGNAME, NULL, DB_BTREE, open_flag, 0666)) != 0) {
+ syslog(LOG_ERR, "cnid_open: Failed to open did/longname database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
+ db->db_macname->close(db->db_macname, 0);
+ db->db_shortname->close(db->db_shortname, 0);
+ goto fail_appinit;
+ }
#endif /* EXTENDED_DB */
- /* dev/ino reverse mapping. Use a hash for this one. */
- if ((rc = db_create(&db->db_devino, db->dbenv, 0)) != 0) {
- syslog(LOG_ERR, "cnid_open: Failed to create dev/ino database: %s",
- db_strerror(rc));
- db->db_didname->close(db->db_didname, 0);
+ /* dev/ino reverse mapping. Use a hash for this one. */
+ if ((rc = db_create(&db->db_devino, db->dbenv, 0)) != 0) {
+ syslog(LOG_ERR, "cnid_open: Failed to create dev/ino database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
#ifdef EXTENDED_DB
- db->db_macname->close(db->db_macname, 0);
- db->db_shortname->close(db->db_shortname, 0);
- db->db_longname->close(db->db_longname, 0);
+ db->db_macname->close(db->db_macname, 0);
+ db->db_shortname->close(db->db_shortname, 0);
+ db->db_longname->close(db->db_longname, 0);
#endif /* EXTENDED_DB */
- goto fail_appinit;
- }
+ goto fail_appinit;
+ }
- if ((rc = db->db_devino->open(db->db_devino, DBDEVINO, NULL, DB_HASH, open_flag, 0666)) != 0) {
- syslog(LOG_ERR, "cnid_open: Failed to open devino database: %s",
- db_strerror(rc));
- db->db_didname->close(db->db_didname, 0);
+ if ((rc = db->db_devino->open(db->db_devino, DBDEVINO, NULL, DB_HASH, open_flag, 0666)) != 0) {
+ syslog(LOG_ERR, "cnid_open: Failed to open devino database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
#ifdef EXTENDED_DB
- db->db_macname->close(db->db_macname, 0);
- db->db_shortname->close(db->db_shortname, 0);
- db->db_longname->close(db->db_longname, 0);
+ db->db_macname->close(db->db_macname, 0);
+ db->db_shortname->close(db->db_shortname, 0);
+ db->db_longname->close(db->db_longname, 0);
#endif /* EXTENDED_DB */
- goto fail_appinit;
- }
-
- /* Main CNID database. Use a hash for this one. */
- if ((rc = db_create(&db->db_cnid, db->dbenv, 0)) != 0) {
- syslog(LOG_ERR, "cnid_open: Failed to create cnid database: %s",
- db_strerror(rc));
- db->db_didname->close(db->db_didname, 0);
+ goto fail_appinit;
+ }
+
+ /* Main CNID database. Use a hash for this one. */
+ if ((rc = db_create(&db->db_cnid, db->dbenv, 0)) != 0) {
+ syslog(LOG_ERR, "cnid_open: Failed to create cnid database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
#ifdef EXTENDED_DB
- db->db_macname->close(db->db_macname, 0);
- db->db_shortname->close(db->db_shortname, 0);
- db->db_longname->close(db->db_longname, 0);
+ db->db_macname->close(db->db_macname, 0);
+ db->db_shortname->close(db->db_shortname, 0);
+ db->db_longname->close(db->db_longname, 0);
#endif /* EXTENDED_DB */
- db->db_devino->close(db->db_devino, 0);
- goto fail_appinit;
- }
+ db->db_devino->close(db->db_devino, 0);
+ goto fail_appinit;
+ }
- if ((rc = db->db_cnid->open(db->db_cnid, DBCNID, NULL, DB_HASH, open_flag, 0666)) != 0) {
- syslog(LOG_ERR, "cnid_open: Failed to open dev/ino database: %s",
- db_strerror(rc));
- db->db_didname->close(db->db_didname, 0);
+ if ((rc = db->db_cnid->open(db->db_cnid, DBCNID, NULL, DB_HASH, open_flag, 0666)) != 0) {
+ syslog(LOG_ERR, "cnid_open: Failed to open dev/ino database: %s",
+ db_strerror(rc));
+ db->db_didname->close(db->db_didname, 0);
#ifdef EXTENDED_DB
- db->db_macname->close(db->db_macname, 0);
- db->db_shortname->close(db->db_shortname, 0);
- db->db_longname->close(db->db_longname, 0);
+ db->db_macname->close(db->db_macname, 0);
+ db->db_shortname->close(db->db_shortname, 0);
+ db->db_longname->close(db->db_longname, 0);
#endif /* EXTENDED_DB */
- goto fail_appinit;
- }
+ goto fail_appinit;
+ }
- return db;
+ return db;
fail_appinit:
- syslog(LOG_ERR, "cnid_open: Failed to setup CNID DB environment");
- db->dbenv->close(db->dbenv, 0);
+ syslog(LOG_ERR, "cnid_open: Failed to setup CNID DB environment");
+ db->dbenv->close(db->dbenv, 0);
fail_lock:
- if (db->lockfd > -1) {
- close(db->lockfd);
- }
+ if (db->lockfd > -1) {
+ close(db->lockfd);
+ }
+ if (rfd > -1) {
+ (void)remove(recover_file);
+ close(rfd);
+ }
fail_adouble:
fail_db:
- free(db);
- return NULL;
+ free(db);
+ return NULL;
}
#endif /* CNID_DB */