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