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

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