git.sur5r.net Git - openldap/blob - servers/slapd/repl.c

   1 /* repl.c - log modifications for replication purposes */
   2
   3 #include <stdio.h>
   4 #include <string.h>
   5 #include <sys/types.h>
   6 #include <sys/file.h>
   7 #include <sys/socket.h>
   8 #include <slap.h>
   9
  10 extern pthread_mutex_t  replog_mutex;
  11 extern pthread_mutex_t  entry2str_mutex;
  12 extern time_t           currenttime;
  13 extern char             *replogfile;
  14
  15 extern FILE     *lock_fopen();
  16 extern int      lock_fclose();
  17 extern char     *ch_malloc();
  18 extern char     *entry2str();
  19
  20 void
  21 replog(
  22     Backend     *be,
  23     int         optype,
  24     char        *dn,
  25     void        *change,
  26     int         flag
  27 )
  28 {
  29         LDAPMod *mods;
  30         Entry   *e;
  31         char    *newrdn, *tmp;
  32         int     deleteoldrdn;
  33         FILE    *fp, *lfp;
  34         int     len, i;
  35
  36         if ( be->be_replogfile == NULL && replogfile == NULL ) {
  37                 return;
  38         }
  39
  40         pthread_mutex_lock( &replog_mutex );
  41         if ( (fp = lock_fopen( be->be_replogfile ? be->be_replogfile :
  42             replogfile, "a", &lfp )) == NULL ) {
  43                 pthread_mutex_unlock( &replog_mutex );
  44                 return;
  45         }
  46
  47         for ( i = 0; be->be_replica != NULL && be->be_replica[i] != NULL;
  48             i++ ) {
  49                 fprintf( fp, "replica: %s\n", be->be_replica[i] );
  50         }
  51         fprintf( fp, "time: %ld\n", currenttime );
  52         fprintf( fp, "dn: %s\n", dn );
  53
  54         switch ( optype ) {
  55         case LDAP_REQ_MODIFY:
  56                 fprintf( fp, "changetype: modify\n" );
  57                 mods = change;
  58                 for ( ; mods != NULL; mods = mods->mod_next ) {
  59                         switch ( mods->mod_op & ~LDAP_MOD_BVALUES ) {
  60                         case LDAP_MOD_ADD:
  61                                 fprintf( fp, "add: %s\n", mods->mod_type );
  62                                 break;
  63
  64                         case LDAP_MOD_DELETE:
  65                                 fprintf( fp, "delete: %s\n", mods->mod_type );
  66                                 break;
  67
  68                         case LDAP_MOD_REPLACE:
  69                                 fprintf( fp, "replace: %s\n", mods->mod_type );
  70                                 break;
  71                         }
  72
  73                         for ( i = 0; mods->mod_bvalues != NULL &&
  74                             mods->mod_bvalues[i] != NULL; i++ ) {
  75                                 char    *buf, *bufp;
  76
  77                                 len = strlen( mods->mod_type );
  78                                 len = LDIF_SIZE_NEEDED( len,
  79                                     mods->mod_bvalues[i]->bv_len ) + 1;
  80                                 buf = ch_malloc( len );
  81
  82                                 bufp = buf;
  83                                 put_type_and_value( &bufp, mods->mod_type,
  84                                     mods->mod_bvalues[i]->bv_val,
  85                                     mods->mod_bvalues[i]->bv_len );
  86                                 *bufp = '\0';
  87
  88                                 fputs( buf, fp );
  89
  90                                 free( buf );
  91                         }
  92                         fprintf( fp, "-\n" );
  93                 }
  94                 break;
  95
  96         case LDAP_REQ_ADD:
  97                 e = change;
  98                 fprintf( fp, "changetype: add\n" );
  99                 pthread_mutex_lock( &entry2str_mutex );
 100                 tmp = entry2str( e, &len, 0 );
 101                 while ( (tmp = strchr( tmp, '\n' )) != NULL ) {
 102                         tmp++;
 103                         if ( ! isspace( *tmp ) )
 104                                 break;
 105                 }
 106                 fprintf( fp, "%s", tmp );
 107                 pthread_mutex_unlock( &entry2str_mutex );
 108                 break;
 109
 110         case LDAP_REQ_DELETE:
 111                 fprintf( fp, "changetype: delete\n" );
 112                 break;
 113
 114         case LDAP_REQ_MODRDN:
 115                 newrdn = change;
 116                 fprintf( fp, "changetype: modrdn\n" );
 117                 fprintf( fp, "newrdn: %s\n", newrdn );
 118                 fprintf( fp, "deleteoldrdn: %d\n", flag ? 1 : 0 );
 119         }
 120         fprintf( fp, "\n" );
 121
 122         lock_fclose( fp, lfp );
 123         pthread_mutex_unlock( &replog_mutex );
 124 }