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Added replica attr=<attribute list> support to filter replog content

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This commit is contained in:
Howard Chu 2002-02-08 06:44:33 +00:00
parent b2eec644fa
commit f50b75f0c2
7 changed files with 183 additions and 37 deletions
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13
servers/slapd/config.c
View File

@ -1817,6 +1817,19 @@ read_config( const char *fname )
#endif
break;
}
} else if ( strncasecmp( cargv[i], "attr=", 5 ) == 0 ) {
if ( add_replica_attrs( be, nr, cargv[i] + 5 ) ) {
#ifdef NEW_LOGGING
LDAP_LOG(( "config", LDAP_LEVEL_INFO,
"%s: line %d: attribute \"%s\" in \"replica\" line is unknown\n",
fname, lineno, cargv[i] + 5 ));
#else
Debug( LDAP_DEBUG_ANY,
"%s: line %d: attribute \"%s\" in \"replica\" line is unknown\n",
fname, lineno, cargv[i] + 5 );
#endif
return( 1 );
}
}
}
}

2
servers/slapd/proto-slap.h
View File

@ -720,6 +720,8 @@ LDAP_SLAPD_F (int) add_replica_info LDAP_P(( Backend *be,
const char *host ));
LDAP_SLAPD_F (int) add_replica_suffix LDAP_P(( Backend *be,
int nr, const char *suffix ));
LDAP_SLAPD_F (int) add_replica_attrs LDAP_P(( Backend *be,
int nr, char *attrs ));
LDAP_SLAPD_F (void) replog LDAP_P(( Backend *be, Operation *op,
struct berval *dn, struct berval *ndn, void *change ));

195
servers/slapd/repl.c
View File

@ -73,6 +73,23 @@ add_replica_suffix(
return 0;
}
int
add_replica_attrs(
Backend *be,
int nr,
char *attrs
)
{
be->be_replica[nr]->ri_attrs = str2anlist( be->be_replica[nr]->ri_attrs,
attrs, "," );
return ( be->be_replica[nr]->ri_attrs == NULL );
}
static void
print_vals( FILE *fp, struct berval *type, struct berval *bv );
static void
replog1( struct slap_replica_info *ri, Operation *op, void *change, FILE *fp, void *first);
void
replog(
Backend *be,
@ -82,16 +99,17 @@ replog(
void *change
)
{
Modifications *ml;
Modifications *ml = NULL;
Attribute *a = NULL;
Entry *e;
struct slap_replog_moddn *moddn;
char *tmp;
FILE *fp, *lfp;
int len, i;
int i;
/* undef NO_LOG_WHEN_NO_REPLICAS */
#ifdef NO_LOG_WHEN_NO_REPLICAS
int count = 0;
#endif
int subsets = 0;
long now = slap_get_time();
if ( be->be_replogfile == NULL && replogfile == NULL ) {
return;
@ -120,6 +138,15 @@ replog(
continue;
}
}
/* See if we only want a subset of attributes */
if ( be->be_replica[i]->ri_attrs != NULL &&
( op->o_tag == LDAP_REQ_MODIFY || op->o_tag == LDAP_REQ_ADD || op->o_tag == LDAP_REQ_EXTENDED ) ) {
if ( !subsets ) {
subsets = i + 1;
}
/* Do attribute subsets by themselves in a second pass */
continue;
}
fprintf( fp, "replica: %s\n", be->be_replica[i]->ri_host );
#ifdef NO_LOG_WHEN_NO_REPLICAS
@ -128,7 +155,7 @@ replog(
}
#ifdef NO_LOG_WHEN_NO_REPLICAS
if ( count == 0 ) {
if ( count == 0 && subsets == 0 ) {
/* if no replicas matched, drop the log
* (should we log it anyway?) */
lock_fclose( fp, lfp );
@ -138,9 +165,97 @@ replog(
}
#endif
fprintf( fp, "time: %ld\n", (long) slap_get_time() );
fprintf( fp, "time: %ld\n", now );
fprintf( fp, "dn: %s\n", dn->bv_val );
replog1( NULL, op, change, fp, NULL );
if ( subsets > 0 ) {
void *first;
for ( i = subsets - 1; be->be_replica != NULL && be->be_replica[i] != NULL; i++ ) {
/* If no attrs, we already did this above */
if ( be->be_replica[i]->ri_attrs == NULL ) {
continue;
}
/* check if dn's suffix matches legal suffixes, if any */
if ( be->be_replica[i]->ri_nsuffix != NULL ) {
int j;
for ( j = 0; be->be_replica[i]->ri_nsuffix[j]; j++ ) {
if ( dnIsSuffix( ndn, be->be_replica[i]->ri_nsuffix[j] ) ) {
break;
}
}
if ( !be->be_replica[i]->ri_nsuffix[j] ) {
/* do not add "replica:" line */
continue;
}
}
subsets = 0;
first = NULL;
switch( op->o_tag ) {
case LDAP_REQ_EXTENDED:
/* quick hack for extended operations */
/* assume change parameter is a Modfications* */
/* fall thru */
case LDAP_REQ_MODIFY:
for ( ml = change; ml != NULL; ml = ml->sml_next ) {
if ( ad_inlist( ml->sml_desc, be->be_replica[i]->ri_attrs ) ) {
subsets = 1;
first = ml;
break;
}
}
if ( !subsets ) {
continue;
}
break;
case LDAP_REQ_ADD:
e = change;
for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
if ( ad_inlist( a->a_desc, be->be_replica[i]->ri_attrs ) ) {
subsets = 1;
first = a;
break;
}
}
if ( !subsets ) {
continue;
}
break;
default:
/* Other operations were logged in the first pass */
continue;
}
fprintf( fp, "replica: %s\n", be->be_replica[i]->ri_host );
fprintf( fp, "time: %ld\n", now );
fprintf( fp, "dn: %s\n", dn->bv_val );
replog1( be->be_replica[i], op, change, fp, first );
}
}
lock_fclose( fp, lfp );
ldap_pvt_thread_mutex_unlock( &replog_mutex );
}
static void
replog1(
struct slap_replica_info *ri,
Operation *op,
void *change,
FILE *fp,
void *first
)
{
Modifications *ml;
Attribute *a;
Entry *e;
struct slap_replog_moddn *moddn;
switch ( op->o_tag ) {
case LDAP_REQ_EXTENDED:
/* quick hack for extended operations */
@ -149,10 +264,12 @@ replog(
case LDAP_REQ_MODIFY:
fprintf( fp, "changetype: modify\n" );
ml = change;
ml = first ? first : change;
for ( ; ml != NULL; ml = ml->sml_next ) {
char *type;
struct berval *bv;
if ( ri && ri->ri_attrs && !ad_inlist( ml->sml_desc, ri->ri_attrs ) ) {
continue;
}
type = ml->sml_desc->ad_cname.bv_val;
switch ( ml->sml_op ) {
case LDAP_MOD_ADD:
@ -168,24 +285,7 @@ replog(
break;
}
for ( bv = ml->sml_bvalues; bv && bv->bv_val; bv++ )
{
char *buf, *bufp;
len = ml->sml_desc->ad_cname.bv_len;
len = LDIF_SIZE_NEEDED( len,
bv->bv_len ) + 1;
buf = (char *) ch_malloc( len );
bufp = buf;
ldif_sput( &bufp, LDIF_PUT_VALUE, type,
bv->bv_val, bv->bv_len );
*bufp = '\0';
fputs( buf, fp );
free( buf );
}
print_vals( fp, &ml->sml_desc->ad_cname, ml->sml_bvalues );
fprintf( fp, "-\n" );
}
break;
@ -193,15 +293,13 @@ replog(
case LDAP_REQ_ADD:
e = change;
fprintf( fp, "changetype: add\n" );
ldap_pvt_thread_mutex_lock( &entry2str_mutex );
tmp = entry2str( e, &len );
while ( (tmp = strchr( tmp, '\n' )) != NULL ) {
tmp++;
if ( ! isspace( (unsigned char) *tmp ) )
break;
a = first ? first : e->e_attrs;
for ( ; a != NULL; a=a->a_next ) {
if ( ri && ri->ri_attrs && !ad_inlist( a->a_desc, ri->ri_attrs ) ) {
continue;
}
print_vals( fp, &a->a_desc->ad_cname, a->a_vals );
}
fprintf( fp, "%s", tmp );
ldap_pvt_thread_mutex_unlock( &entry2str_mutex );
break;
case LDAP_REQ_DELETE:
@ -218,7 +316,30 @@ replog(
}
}
fprintf( fp, "\n" );
lock_fclose( fp, lfp );
ldap_pvt_thread_mutex_unlock( &replog_mutex );
}
static void
print_vals(
FILE *fp,
struct berval *type,
struct berval *bv )
{
int len;
char *buf, *bufp;
for ( ; bv && bv->bv_val; bv++ )
{
len = type->bv_len;
len = LDIF_SIZE_NEEDED( len, bv->bv_len ) + 1;
buf = (char *) ch_malloc( len );
bufp = buf;
ldif_sput( &bufp, LDIF_PUT_VALUE, type->bv_val,
bv->bv_val, bv->bv_len );
*bufp = '\0';
fputs( buf, fp );
free( buf );
}
}

1
servers/slapd/slap.h
View File

@ -981,6 +981,7 @@ LDAP_SLAPD_V (int) slapMode;
struct slap_replica_info {
char *ri_host; /* supersedes be_replica */
struct berval **ri_nsuffix; /* array of suffixes this replica accepts */
AttributeName *ri_attrs; /* attrs to replicate, NULL=all */
};
struct slap_limits_set {

5
servers/slapd/tools/mimic.c
View File

@ -201,6 +201,11 @@ int add_replica_suffix( Backend *be, int nr, const char *suffix )
return 0;
}
int add_replica_attrs( Backend *be, int nr, char *attrs )
{
return 0;
}
int parse_limits( Backend *be, const char *fname, int lineno, int argc, char **argv )
{
return 0;

3
servers/slurpd/config.c
View File

@ -381,6 +381,9 @@ parse_replica_line(
}
ri->ri_hostname = strdup( val );
gots |= GOT_HOST;
} else if ( !strncasecmp( cargv[ i ],
ATTRSTR, sizeof( ATTRSTR ) - 1 ) ) {
/* ignore it */ ;
} else if ( !strncasecmp( cargv[ i ],
SUFFIXSTR, sizeof( SUFFIXSTR ) - 1 ) ) {
/* ignore it */ ;

1
servers/slurpd/slurp.h
View File

@ -119,6 +119,7 @@
/* Config file keywords */
#define HOSTSTR "host"
#define ATTRSTR "attr"
#define SUFFIXSTR "suffix"
#define BINDDNSTR "binddn"
#define BINDMETHSTR "bindmethod"