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/socket.h>
   9
  10 #include <sys/file.h>
  11
  12 #include "slap.h"
  13
  14 extern pthread_mutex_t  replog_mutex;
  15 extern pthread_mutex_t  entry2str_mutex;
  16 extern time_t           currenttime;
  17 extern char             *replogfile;
  18
  19 extern FILE     *lock_fopen();
  20 extern int      lock_fclose();
  21 extern char     *ch_malloc();
  22 extern char     *entry2str();
  23
  24 void
  25 replog(
  26     Backend     *be,
  27     int         optype,
  28     char        *dn,
  29     void        *change,
  30     int         flag
  31 )
  32 {
  33         LDAPMod *mods;
  34         Entry   *e;
  35         char    *newrdn, *tmp;
  36         int     deleteoldrdn;
  37         FILE    *fp, *lfp;
  38         int     len, i;
  39
  40         if ( be->be_replogfile == NULL && replogfile == NULL ) {
  41                 return;
  42         }
  43
  44         pthread_mutex_lock( &replog_mutex );
  45         if ( (fp = lock_fopen( be->be_replogfile ? be->be_replogfile :
  46             replogfile, "a", &lfp )) == NULL ) {
  47                 pthread_mutex_unlock( &replog_mutex );
  48                 return;
  49         }
  50
  51         for ( i = 0; be->be_replica != NULL && be->be_replica[i] != NULL;
  52             i++ ) {
  53                 fprintf( fp, "replica: %s\n", be->be_replica[i] );
  54         }
  55         fprintf( fp, "time: %ld\n", currenttime );
  56         fprintf( fp, "dn: %s\n", dn );
  57
  58         switch ( optype ) {
  59         case LDAP_REQ_MODIFY:
  60                 fprintf( fp, "changetype: modify\n" );
  61                 mods = change;
  62                 for ( ; mods != NULL; mods = mods->mod_next ) {
  63                         switch ( mods->mod_op & ~LDAP_MOD_BVALUES ) {
  64                         case LDAP_MOD_ADD:
  65                                 fprintf( fp, "add: %s\n", mods->mod_type );
  66                                 break;
  67
  68                         case LDAP_MOD_DELETE:
  69                                 fprintf( fp, "delete: %s\n", mods->mod_type );
  70                                 break;
  71
  72                         case LDAP_MOD_REPLACE:
  73                                 fprintf( fp, "replace: %s\n", mods->mod_type );
  74                                 break;
  75                         }
  76
  77                         for ( i = 0; mods->mod_bvalues != NULL &&
  78                             mods->mod_bvalues[i] != NULL; i++ ) {
  79                                 char    *buf, *bufp;
  80
  81                                 len = strlen( mods->mod_type );
  82                                 len = LDIF_SIZE_NEEDED( len,
  83                                     mods->mod_bvalues[i]->bv_len ) + 1;
  84                                 buf = ch_malloc( len );
  85
  86                                 bufp = buf;
  87                                 put_type_and_value( &bufp, mods->mod_type,
  88                                     mods->mod_bvalues[i]->bv_val,
  89                                     mods->mod_bvalues[i]->bv_len );
  90                                 *bufp = '\0';
  91
  92                                 fputs( buf, fp );
  93
  94                                 free( buf );
  95                         }
  96                         fprintf( fp, "-\n" );
  97                 }
  98                 break;
  99
 100         case LDAP_REQ_ADD:
 101                 e = change;
 102                 fprintf( fp, "changetype: add\n" );
 103                 pthread_mutex_lock( &entry2str_mutex );
 104                 tmp = entry2str( e, &len, 0 );
 105                 while ( (tmp = strchr( tmp, '\n' )) != NULL ) {
 106                         tmp++;
 107                         if ( ! isspace( *tmp ) )
 108                                 break;
 109                 }
 110                 fprintf( fp, "%s", tmp );
 111                 pthread_mutex_unlock( &entry2str_mutex );
 112                 break;
 113
 114         case LDAP_REQ_DELETE:
 115                 fprintf( fp, "changetype: delete\n" );
 116                 break;
 117
 118         case LDAP_REQ_MODRDN:
 119                 newrdn = change;
 120                 fprintf( fp, "changetype: modrdn\n" );
 121                 fprintf( fp, "newrdn: %s\n", newrdn );
 122                 fprintf( fp, "deleteoldrdn: %d\n", flag ? 1 : 0 );
 123         }
 124         fprintf( fp, "\n" );
 125
 126         lock_fclose( fp, lfp );
 127         pthread_mutex_unlock( &replog_mutex );
 128 }