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

   1 /* repl.c - log modifications for replication purposes */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/string.h>
  13 #include <ac/ctype.h>
  14 #include <ac/socket.h>
  15
  16 #ifdef HAVE_SYS_FILE_H
  17 #include <sys/file.h>
  18 #endif
  19
  20 #include "slap.h"
  21
  22
  23 void
  24 replog(
  25     Backend     *be,
  26     Operation *op,
  27     char        *dn,
  28     void        *change
  29 )
  30 {
  31         Modifications   *ml;
  32         Entry   *e;
  33         struct replog_moddn *moddn;
  34         char *tmp;
  35         FILE    *fp, *lfp;
  36         int     len, i;
  37
  38         if ( be->be_replogfile == NULL && replogfile == NULL ) {
  39                 return;
  40         }
  41
  42         ldap_pvt_thread_mutex_lock( &replog_mutex );
  43         if ( (fp = lock_fopen( be->be_replogfile ? be->be_replogfile :
  44             replogfile, "a", &lfp )) == NULL ) {
  45                 ldap_pvt_thread_mutex_unlock( &replog_mutex );
  46                 return;
  47         }
  48
  49         for ( i = 0; be->be_replica != NULL && be->be_replica[i] != NULL;
  50             i++ ) {
  51                 fprintf( fp, "replica: %s\n", be->be_replica[i] );
  52         }
  53         fprintf( fp, "time: %ld\n", (long) slap_get_time() );
  54         fprintf( fp, "dn: %s\n", dn );
  55
  56         switch ( op->o_tag ) {
  57         case LDAP_REQ_EXTENDED:
  58                 /* quick hack for extended operations */
  59                 /* assume change parameter is a Modfications* */
  60                 /* fall thru */
  61
  62         case LDAP_REQ_MODIFY:
  63                 fprintf( fp, "changetype: modify\n" );
  64                 ml = change;
  65                 for ( ; ml != NULL; ml = ml->sml_next ) {
  66                         char *type;
  67                         type = ml->sml_desc->ad_cname->bv_val;
  68                         switch ( ml->sml_op ) {
  69                         case LDAP_MOD_ADD:
  70                                 fprintf( fp, "add: %s\n", type );
  71                                 break;
  72
  73                         case LDAP_MOD_DELETE:
  74                                 fprintf( fp, "delete: %s\n", type );
  75                                 break;
  76
  77                         case LDAP_MOD_REPLACE:
  78                                 fprintf( fp, "replace: %s\n", type );
  79                                 break;
  80                         }
  81
  82                         for ( i = 0; ml->sml_bvalues != NULL &&
  83                             ml->sml_bvalues[i] != NULL; i++ ) {
  84                                 char    *buf, *bufp;
  85
  86                                 len = strlen( type );
  87                                 len = LDIF_SIZE_NEEDED( len,
  88                                     ml->sml_bvalues[i]->bv_len ) + 1;
  89                                 buf = (char *) ch_malloc( len );
  90
  91                                 bufp = buf;
  92                                 ldif_sput( &bufp, LDIF_PUT_VALUE,
  93                                         type,
  94                                     ml->sml_bvalues[i]->bv_val,
  95                                     ml->sml_bvalues[i]->bv_len );
  96                                 *bufp = '\0';
  97
  98                                 fputs( buf, fp );
  99
 100                                 free( buf );
 101                         }
 102                         fprintf( fp, "-\n" );
 103                 }
 104                 break;
 105
 106         case LDAP_REQ_ADD:
 107                 e = change;
 108                 fprintf( fp, "changetype: add\n" );
 109                 ldap_pvt_thread_mutex_lock( &entry2str_mutex );
 110                 tmp = entry2str( e, &len );
 111                 while ( (tmp = strchr( tmp, '\n' )) != NULL ) {
 112                         tmp++;
 113                         if ( ! isspace( (unsigned char) *tmp ) )
 114                                 break;
 115                 }
 116                 fprintf( fp, "%s", tmp );
 117                 ldap_pvt_thread_mutex_unlock( &entry2str_mutex );
 118                 break;
 119
 120         case LDAP_REQ_DELETE:
 121                 fprintf( fp, "changetype: delete\n" );
 122                 break;
 123
 124         case LDAP_REQ_MODRDN:
 125                 moddn = change;
 126                 fprintf( fp, "changetype: modrdn\n" );
 127                 fprintf( fp, "newrdn: %s\n", moddn->newrdn );
 128                 fprintf( fp, "deleteoldrdn: %d\n", moddn->deloldrdn ? 1 : 0 );
 129                 if( moddn->newsup != NULL ) {
 130                         fprintf( fp, "newsuperior: %s\n", moddn->newsup );
 131                 }
 132         }
 133         fprintf( fp, "\n" );
 134
 135         lock_fclose( fp, lfp );
 136         ldap_pvt_thread_mutex_unlock( &replog_mutex );
 137 }