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 #include <string.h>
   7 #include <sys/types.h>
   8 #include <sys/file.h>
   9 #include <sys/socket.h>
  10 #include "slap.h"
  11
  12 extern pthread_mutex_t  replog_mutex;
  13 extern pthread_mutex_t  entry2str_mutex;
  14 extern time_t           currenttime;
  15 extern char             *replogfile;
  16
  17 extern FILE     *lock_fopen();
  18 extern int      lock_fclose();
  19 extern char     *ch_malloc();
  20 extern char     *entry2str();
  21
  22 void
  23 replog(
  24     Backend     *be,
  25     int         optype,
  26     char        *dn,
  27     void        *change,
  28     int         flag
  29 )
  30 {
  31         LDAPMod *mods;
  32         Entry   *e;
  33         char    *newrdn, *tmp;
  34         int     deleteoldrdn;
  35         FILE    *fp, *lfp;
  36         int     len, i;
  37
  38         if ( be->be_replogfile == NULL && replogfile == NULL ) {
  39                 return;
  40         }
  41
  42         pthread_mutex_lock( &replog_mutex );
  43         if ( (fp = lock_fopen( be->be_replogfile ? be->be_replogfile :
  44             replogfile, "a", &lfp )) == NULL ) {
  45                 pthread_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", currenttime );
  54         fprintf( fp, "dn: %s\n", dn );
  55
  56         switch ( optype ) {
  57         case LDAP_REQ_MODIFY:
  58                 fprintf( fp, "changetype: modify\n" );
  59                 mods = change;
  60                 for ( ; mods != NULL; mods = mods->mod_next ) {
  61                         switch ( mods->mod_op & ~LDAP_MOD_BVALUES ) {
  62                         case LDAP_MOD_ADD:
  63                                 fprintf( fp, "add: %s\n", mods->mod_type );
  64                                 break;
  65
  66                         case LDAP_MOD_DELETE:
  67                                 fprintf( fp, "delete: %s\n", mods->mod_type );
  68                                 break;
  69
  70                         case LDAP_MOD_REPLACE:
  71                                 fprintf( fp, "replace: %s\n", mods->mod_type );
  72                                 break;
  73                         }
  74
  75                         for ( i = 0; mods->mod_bvalues != NULL &&
  76                             mods->mod_bvalues[i] != NULL; i++ ) {
  77                                 char    *buf, *bufp;
  78
  79                                 len = strlen( mods->mod_type );
  80                                 len = LDIF_SIZE_NEEDED( len,
  81                                     mods->mod_bvalues[i]->bv_len ) + 1;
  82                                 buf = ch_malloc( len );
  83
  84                                 bufp = buf;
  85                                 put_type_and_value( &bufp, mods->mod_type,
  86                                     mods->mod_bvalues[i]->bv_val,
  87                                     mods->mod_bvalues[i]->bv_len );
  88                                 *bufp = '\0';
  89
  90                                 fputs( buf, fp );
  91
  92                                 free( buf );
  93                         }
  94                         fprintf( fp, "-\n" );
  95                 }
  96                 break;
  97
  98         case LDAP_REQ_ADD:
  99                 e = change;
 100                 fprintf( fp, "changetype: add\n" );
 101                 pthread_mutex_lock( &entry2str_mutex );
 102                 tmp = entry2str( e, &len, 0 );
 103                 while ( (tmp = strchr( tmp, '\n' )) != NULL ) {
 104                         tmp++;
 105                         if ( ! isspace( *tmp ) )
 106                                 break;
 107                 }
 108                 fprintf( fp, "%s", tmp );
 109                 pthread_mutex_unlock( &entry2str_mutex );
 110                 break;
 111
 112         case LDAP_REQ_DELETE:
 113                 fprintf( fp, "changetype: delete\n" );
 114                 break;
 115
 116         case LDAP_REQ_MODRDN:
 117                 newrdn = change;
 118                 fprintf( fp, "changetype: modrdn\n" );
 119                 fprintf( fp, "newrdn: %s\n", newrdn );
 120                 fprintf( fp, "deleteoldrdn: %d\n", flag ? 1 : 0 );
 121         }
 122         fprintf( fp, "\n" );
 123
 124         lock_fclose( fp, lfp );
 125         pthread_mutex_unlock( &replog_mutex );
 126 }