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