libatalk/cnid/cnid_close.c

   1 /*
   2  * $Id: cnid_close.c,v 1.12 2001-10-21 08:33:33 jmarcus Exp $
   3  */
   4
   5 #ifdef HAVE_CONFIG_H
   6 #include "config.h"
   7 #endif /* HAVE_CONFIG_H */
   8
   9 #ifdef CNID_DB
  10 #ifdef HAVE_UNISTD_H
  11 #include <unistd.h>
  12 #endif /* HAVE_UNISTD_H */
  13 #ifdef HAVE_FCNTL_H
  14 #include <fcntl.h>
  15 #endif /* HAVE_FCNTL_H */
  16 #include <stdlib.h>
  17 #include <syslog.h>
  18 #include <db.h>
  19 #include <errno.h>
  20 #include <string.h>
  21
  22 #include <atalk/cnid.h>
  23
  24 #include "cnid_private.h"
  25
  26 void cnid_close(void *CNID) {
  27         CNID_private *db;
  28         int rc;
  29
  30         if (!(db = CNID)) {
  31                 return;
  32         }
  33
  34         /* Flush the transaction log and delete the log file if we can. */
  35         if ((db->lockfd > -1) && ((db->flags & CNIDFLAG_DB_RO) == 0)) {
  36                 struct flock lock;
  37                 char wd[MAXPATHLEN + 1];
  38
  39                 /* Save the current working directory so we can restore it
  40                  * when we're done. */
  41                 getcwd(wd, MAXPATHLEN);
  42
  43                 lock.l_type = F_WRLCK;
  44                 lock.l_whence = SEEK_SET;
  45                 lock.l_start = lock.l_len = 0;
  46                 if (fcntl(db->lockfd, F_SETLK, &lock) == 0) {
  47                         char **list, **first;
  48
  49                         chdir(db->dbenv->db_log_dir ? db->dbenv->db_log_dir : db->dbenv->db_home);
  50 #if DB_VERSION_MINOR > 2
  51                         if ((rc = log_archive(db->dbenv, &list, 0)) != 0) {
  52 #else /* DB_VERSION_MINOR < 2 */
  53                         if ((rc = log_archive(db->dbenv, &list, 0, NULL)) != 0) {
  54 #endif /* DB_VERSION_MINOR */
  55                                 syslog(LOG_ERR, "cnid_close: Unable to archive logfiles: %s",
  56                                        db_strerror(rc));
  57                         }
  58
  59                         if (list != NULL) {
  60                                 for (first = list; *list != NULL; ++list) {
  61                                         if ((rc = remove(*list)) != 0) {
  62                                                 syslog(LOG_INFO, "cnid_close: failed to remove %s: %s",
  63                                                        *list, strerror(rc));
  64                                         }
  65                                 }
  66                                 free(first);
  67                         }
  68                         chdir(wd);
  69                 }
  70         }
  71
  72         db->db_didname->close(db->db_didname, 0);
  73         db->db_devino->close(db->db_devino, 0);
  74         db->db_cnid->close(db->db_cnid, 0);
  75         db->dbenv->close(db->dbenv, 0);
  76
  77         if (db->lockfd > -1) {
  78                 close(db->lockfd); /* This will also release any locks we have. */
  79         }
  80
  81         free(db);
  82 }
  83 #endif /* CNID_DB */