+/* $OpenLDAP$ */
/* syncprov.c - syncrepl provider */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2004 The OpenLDAP Foundation.
+ * Copyright 2004-2005 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <ac/string.h>
#include "lutil.h"
#include "slap.h"
+#include "config.h"
/* A modify request on a particular entry */
typedef struct modinst {
struct berval s_base; /* ndn of search base */
ID s_eid; /* entryID of search base */
Operation *s_op; /* search op */
- long s_sid;
- long s_rid;
+ int s_rid;
struct berval s_filterstr;
int s_flags; /* search status */
int s_inuse; /* reference count */
#define SLAP_SYNC_REFRESH_AND_PERSIST (LDAP_SYNC_REFRESH_AND_PERSIST<<SLAP_CONTROL_SHIFT)
#define PS_IS_REFRESHING 0x01
+#define PS_IS_DETACHED 0x02
/* Record of which searches matched at premodify step */
typedef struct syncmatches {
syncops *sm_op;
} syncmatches;
+/* Session log data */
+typedef struct slog_entry {
+ struct slog_entry *se_next;
+ struct berval se_uuid;
+ struct berval se_csn;
+ ber_tag_t se_tag;
+} slog_entry;
+
+typedef struct sessionlog {
+ struct berval sl_mincsn;
+ int sl_num;
+ int sl_size;
+ slog_entry *sl_head;
+ slog_entry *sl_tail;
+ ldap_pvt_thread_mutex_t sl_mutex;
+} sessionlog;
+
/* The main state for this overlay */
typedef struct syncprov_info_t {
syncops *si_ops;
int si_numops; /* number of ops since last checkpoint */
time_t si_chklast; /* time of last checkpoint */
Avlnode *si_mods; /* entries being modified */
+ sessionlog *si_logs;
ldap_pvt_thread_mutex_t si_csn_mutex;
ldap_pvt_thread_mutex_t si_ops_mutex;
- ldap_pvt_thread_rdwr_t si_mods_rwlock;
+ ldap_pvt_thread_mutex_t si_mods_mutex;
char si_ctxcsnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
} syncprov_info_t;
{
Attribute* a;
int ret;
- int res;
- const char *text = NULL;
BerElementBuffer berbuf;
BerElement *ber = (BerElement *)&berbuf;
return LDAP_SUCCESS;
}
-#if 0
-/* Generate state based on session log - not implemented yet */
-static int
-syncprov_state_ctrl_from_slog(
- Operation *op,
- SlapReply *rs,
- struct slog_entry *slog_e,
- int entry_sync_state,
- LDAPControl **ctrls,
- int num_ctrls,
- int send_cookie,
- struct berval *cookie)
-{
- Attribute* a;
- int ret;
- int res;
- const char *text = NULL;
-
- BerElementBuffer berbuf;
- BerElement *ber = (BerElement *)&berbuf;
-
- struct berval entryuuid_bv = BER_BVNULL;
-
- ber_init2( ber, NULL, LBER_USE_DER );
- ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
-
- ctrls[num_ctrls] = ch_malloc ( sizeof ( LDAPControl ) );
-
- entryuuid_bv = slog_e->sl_uuid;
-
- if ( send_cookie && cookie ) {
- ber_printf( ber, "{eOON}",
- entry_sync_state, &entryuuid_bv, cookie );
- } else {
- ber_printf( ber, "{eON}",
- entry_sync_state, &entryuuid_bv );
- }
-
- ctrls[num_ctrls]->ldctl_oid = LDAP_CONTROL_SYNC_STATE;
- ctrls[num_ctrls]->ldctl_iscritical = (op->o_sync == SLAP_CONTROL_CRITICAL);
- ret = ber_flatten2( ber, &ctrls[num_ctrls]->ldctl_value, 1 );
-
- ber_free_buf( ber );
-
- if ( ret < 0 ) {
- Debug( LDAP_DEBUG_TRACE,
- "slap_build_sync_ctrl: ber_flatten2 failed\n",
- 0, 0, 0 );
- send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
- return ret;
- }
-
- return LDAP_SUCCESS;
-}
-#endif
-
static int
syncprov_sendinfo(
Operation *op,
{
opcookie *opc = op->o_callback->sc_private;
slap_overinst *on = opc->son;
- syncprov_info_t *si = on->on_bi.bi_private;
slap_callback cb = {0};
Operation fop;
cb.sc_private = fc;
fop.o_sync_mode &= SLAP_CONTROL_MASK; /* turn off sync mode */
+ fop.o_managedsait = SLAP_CONTROL_CRITICAL;
fop.o_callback = &cb;
fop.o_tag = LDAP_REQ_SEARCH;
fop.ors_scope = LDAP_SCOPE_BASE;
}
/* syncprov_findcsn:
- * This function has two different purposes, but they both use a search
+ * This function has three different purposes, but they all use a search
* that filters on entryCSN so they're combined here.
- * 1: when the current contextCSN is known and we have a sync cookie, we search
+ * 1: at startup time, after a contextCSN has been read from the database,
+ * we search for all entries with CSN >= contextCSN in case the contextCSN
+ * was not checkpointed at the previous shutdown.
+ *
+ * 2: when the current contextCSN is known and we have a sync cookie, we search
* for one entry with CSN <= the cookie CSN. (Used to search for =.) If an
* entry is found, the cookie CSN is valid, otherwise it is stale.
*
- * 2: during a refresh phase, we search for all entries with CSN <= the cookie
+ * 3: during a refresh phase, we search for all entries with CSN <= the cookie
* CSN, and generate Present records for them. We always collect this result
* in SyncID sets, even if there's only one match.
*/
-#define FIND_CSN 1
-#define FIND_PRESENT 2
+#define FIND_MAXCSN 1
+#define FIND_CSN 2
+#define FIND_PRESENT 3
+
+static int
+findmax_cb( Operation *op, SlapReply *rs )
+{
+ if ( rs->sr_type == REP_SEARCH && rs->sr_err == LDAP_SUCCESS ) {
+ struct berval *maxcsn = op->o_callback->sc_private;
+ Attribute *a = attr_find( rs->sr_entry->e_attrs,
+ slap_schema.si_ad_entryCSN );
+
+ if ( a && ber_bvcmp( &a->a_vals[0], maxcsn ) > 0 ) {
+ maxcsn->bv_len = a->a_vals[0].bv_len;
+ strcpy( maxcsn->bv_val, a->a_vals[0].bv_val );
+ }
+ }
+ return LDAP_SUCCESS;
+}
static int
findcsn_cb( Operation *op, SlapReply *rs )
/* Build a list of entryUUIDs for sending in a SyncID set */
+#define UUID_LEN 16
+
typedef struct fpres_cookie {
int num;
BerVarray uuids;
+ char *last;
} fpres_cookie;
static int
{
slap_callback *sc = op->o_callback;
fpres_cookie *pc = sc->sc_private;
+ Attribute *a;
int ret = SLAP_CB_CONTINUE;
- if ( rs->sr_type == REP_SEARCH ) {
- ret = slap_build_syncUUID_set( op, &pc->uuids, rs->sr_entry );
- if ( ret > 0 ) {
+ switch ( rs->sr_type ) {
+ case REP_SEARCH:
+ a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
+ if ( a ) {
+ pc->uuids[pc->num].bv_val = pc->last;
+ AC_MEMCPY( pc->uuids[pc->num].bv_val, a->a_nvals[0].bv_val,
+ pc->uuids[pc->num].bv_len );
pc->num++;
- ret = LDAP_SUCCESS;
- if ( pc->num == SLAP_SYNCUUID_SET_SIZE ) {
- ret = syncprov_sendinfo( op, rs, LDAP_TAG_SYNC_ID_SET, NULL,
- 0, pc->uuids, 0 );
- ber_bvarray_free_x( pc->uuids, op->o_tmpmemctx );
- pc->uuids = NULL;
- pc->num = 0;
- }
- } else {
- ret = LDAP_OTHER;
+ pc->last = pc->uuids[pc->num].bv_val;
+ pc->uuids[pc->num].bv_val = NULL;
}
- } else if ( rs->sr_type == REP_RESULT ) {
+ ret = LDAP_SUCCESS;
+ if ( pc->num != SLAP_SYNCUUID_SET_SIZE )
+ break;
+ /* FALLTHRU */
+ case REP_RESULT:
ret = rs->sr_err;
if ( pc->num ) {
ret = syncprov_sendinfo( op, rs, LDAP_TAG_SYNC_ID_SET, NULL,
0, pc->uuids, 0 );
- ber_bvarray_free_x( pc->uuids, op->o_tmpmemctx );
- pc->uuids = NULL;
+ pc->uuids[pc->num].bv_val = pc->last;
pc->num = 0;
+ pc->last = pc->uuids[0].bv_val;
}
+ break;
+ default:
+ break;
}
return ret;
}
-
static int
syncprov_findcsn( Operation *op, int mode )
{
SlapReply frs = { REP_RESULT };
char buf[LDAP_LUTIL_CSNSTR_BUFSIZE + STRLENOF("(entryCSN<=)")];
char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
- struct berval fbuf;
- Filter cf;
- AttributeAssertion eq;
- int rc;
+ struct berval maxcsn;
+ Filter cf, af;
+#ifdef LDAP_COMP_MATCH
+ AttributeAssertion eq = { NULL, BER_BVNULL, NULL };
+#else
+ AttributeAssertion eq = { NULL, BER_BVNULL };
+#endif
+ int i, rc = LDAP_SUCCESS;
fpres_cookie pcookie;
- int locked = 0;
- sync_control *srs = op->o_controls[slap_cids.sc_LDAPsync];
+ sync_control *srs = NULL;
+
+ if ( mode != FIND_MAXCSN ) {
+ srs = op->o_controls[slap_cids.sc_LDAPsync];
- if ( srs->sr_state.ctxcsn->bv_len >= LDAP_LUTIL_CSNSTR_BUFSIZE ) {
- return LDAP_OTHER;
+ if ( srs->sr_state.ctxcsn.bv_len >= LDAP_LUTIL_CSNSTR_BUFSIZE ) {
+ return LDAP_OTHER;
+ }
}
fop = *op;
fop.o_sync_mode &= SLAP_CONTROL_MASK; /* turn off sync_mode */
+ /* We want pure entries, not referrals */
+ fop.o_managedsait = SLAP_CONTROL_CRITICAL;
+
+ cf.f_ava = &eq;
+ cf.f_av_desc = slap_schema.si_ad_entryCSN;
+ cf.f_next = NULL;
+
+ fop.o_callback = &cb;
+ fop.ors_limit = NULL;
+ fop.ors_tlimit = SLAP_NO_LIMIT;
+ fop.ors_filter = &cf;
+ fop.ors_filterstr.bv_val = buf;
- fbuf.bv_val = buf;
- if ( mode == FIND_CSN ) {
+ switch( mode ) {
+ case FIND_MAXCSN:
+ cf.f_choice = LDAP_FILTER_GE;
+ cf.f_av_value = si->si_ctxcsn;
+ fop.ors_filterstr.bv_len = sprintf( buf, "(entryCSN>=%s)",
+ cf.f_av_value.bv_val );
+ fop.ors_attrsonly = 0;
+ fop.ors_attrs = csn_anlist;
+ fop.ors_slimit = SLAP_NO_LIMIT;
+ cb.sc_private = &maxcsn;
+ cb.sc_response = findmax_cb;
+ strcpy( cbuf, si->si_ctxcsn.bv_val );
+ maxcsn.bv_val = cbuf;
+ maxcsn.bv_len = si->si_ctxcsn.bv_len;
+ break;
+ case FIND_CSN:
+ cf.f_choice = LDAP_FILTER_LE;
+ cf.f_av_value = srs->sr_state.ctxcsn;
+ fop.ors_filterstr.bv_len = sprintf( buf, "(entryCSN<=%s)",
+ cf.f_av_value.bv_val );
fop.ors_attrsonly = 1;
fop.ors_attrs = slap_anlist_no_attrs;
fop.ors_slimit = 1;
cb.sc_private = NULL;
cb.sc_response = findcsn_cb;
-
- } else if ( mode == FIND_PRESENT ) {
+ break;
+ case FIND_PRESENT:
+ af.f_choice = LDAP_FILTER_AND;
+ af.f_next = NULL;
+ af.f_and = &cf;
+ cf.f_choice = LDAP_FILTER_LE;
+ cf.f_av_value = srs->sr_state.ctxcsn;
+ cf.f_next = op->ors_filter;
+ fop.ors_filter = ⁡
+ filter2bv_x( &fop, fop.ors_filter, &fop.ors_filterstr );
fop.ors_attrsonly = 0;
fop.ors_attrs = uuid_anlist;
fop.ors_slimit = SLAP_NO_LIMIT;
- /* We want pure entries, not referrals */
- fop.o_managedsait = SLAP_CONTROL_CRITICAL;
cb.sc_private = &pcookie;
cb.sc_response = findpres_cb;
pcookie.num = 0;
- pcookie.uuids = NULL;
- }
- cf.f_choice = LDAP_FILTER_LE;
- cf.f_ava = &eq;
- cf.f_av_desc = slap_schema.si_ad_entryCSN;
- cf.f_av_value = *srs->sr_state.ctxcsn;
- cf.f_next = NULL;
- fbuf.bv_len = sprintf( buf, "(entryCSN<=%s)",
- srs->sr_state.ctxcsn->bv_val );
- fop.o_callback = &cb;
- fop.ors_limit = NULL;
- fop.ors_tlimit = SLAP_NO_LIMIT;
- fop.ors_filter = &cf;
- fop.ors_filterstr = fbuf;
+ /* preallocate storage for a full set */
+ pcookie.uuids = op->o_tmpalloc( (SLAP_SYNCUUID_SET_SIZE+1) *
+ sizeof(struct berval) + SLAP_SYNCUUID_SET_SIZE * UUID_LEN,
+ op->o_tmpmemctx );
+ pcookie.last = (char *)(pcookie.uuids + SLAP_SYNCUUID_SET_SIZE+1);
+ pcookie.uuids[0].bv_val = pcookie.last;
+ pcookie.uuids[0].bv_len = UUID_LEN;
+ for (i=1; i<SLAP_SYNCUUID_SET_SIZE; i++) {
+ pcookie.uuids[i].bv_val = pcookie.uuids[i-1].bv_val + UUID_LEN;
+ pcookie.uuids[i].bv_len = UUID_LEN;
+ }
+ break;
+ }
fop.o_bd->bd_info = on->on_info->oi_orig;
- rc = fop.o_bd->be_search( &fop, &frs );
+ fop.o_bd->be_search( &fop, &frs );
fop.o_bd->bd_info = (BackendInfo *)on;
- if ( mode == FIND_CSN ) {
- if ( cb.sc_private ) return LDAP_SUCCESS;
- } else if ( mode == FIND_PRESENT ) {
- return LDAP_SUCCESS;
+ switch( mode ) {
+ case FIND_MAXCSN:
+ strcpy( si->si_ctxcsnbuf, maxcsn.bv_val );
+ si->si_ctxcsn.bv_len = maxcsn.bv_len;
+ break;
+ case FIND_CSN:
+ /* If matching CSN was not found, invalidate the context. */
+ if ( !cb.sc_private ) rc = LDAP_NO_SUCH_OBJECT;
+ break;
+ case FIND_PRESENT:
+ op->o_tmpfree( pcookie.uuids, op->o_tmpmemctx );
+ op->o_tmpfree( fop.ors_filterstr.bv_val, op->o_tmpmemctx );
+ break;
}
- /* If matching CSN was not found, invalidate the context. */
- return LDAP_NO_SUCH_OBJECT;
+ return rc;
}
-/* Queue a persistent search response if still in Refresh stage */
+/* Queue a persistent search response */
static int
syncprov_qresp( opcookie *opc, syncops *so, int mode )
{
opc->sdn.bv_len + 1 + opc->sndn.bv_len + 1 + opc->sctxcsn.bv_len + 1 );
sr->s_next = NULL;
sr->s_dn.bv_val = (char *)(sr + 1);
+ sr->s_dn.bv_len = opc->sdn.bv_len;
sr->s_mode = mode;
sr->s_isreference = opc->sreference;
sr->s_ndn.bv_val = lutil_strcopy( sr->s_dn.bv_val, opc->sdn.bv_val );
+ sr->s_ndn.bv_len = opc->sndn.bv_len;
*(sr->s_ndn.bv_val++) = '\0';
sr->s_uuid.bv_val = lutil_strcopy( sr->s_ndn.bv_val, opc->sndn.bv_val );
+ sr->s_uuid.bv_len = opc->suuid.bv_len;
*(sr->s_uuid.bv_val++) = '\0';
sr->s_csn.bv_val = lutil_strcopy( sr->s_uuid.bv_val, opc->suuid.bv_val );
+ sr->s_csn.bv_len = opc->sctxcsn.bv_len;
+ strcpy( sr->s_csn.bv_val, opc->sctxcsn.bv_val );
if ( !so->s_res ) {
so->s_res = sr;
return LDAP_SUCCESS;
}
+/* Play back queued responses */
+static int
+syncprov_sendresp( Operation *op, opcookie *opc, syncops *so, Entry **e, int mode, int queue );
+
+static int
+syncprov_qplay( Operation *op, slap_overinst *on, syncops *so )
+{
+ syncres *sr, *srnext;
+ Entry *e;
+ opcookie opc;
+ int rc;
+
+ opc.son = on;
+ op->o_bd->bd_info = (BackendInfo *)on->on_info;
+ for (sr = so->s_res; sr; sr=srnext) {
+ srnext = sr->s_next;
+ opc.sdn = sr->s_dn;
+ opc.sndn = sr->s_ndn;
+ opc.suuid = sr->s_uuid;
+ opc.sctxcsn = sr->s_csn;
+ opc.sreference = sr->s_isreference;
+ e = NULL;
+
+ if ( sr->s_mode != LDAP_SYNC_DELETE ) {
+ rc = be_entry_get_rw( op, &opc.sndn, NULL, NULL, 0, &e );
+ if ( rc ) {
+ ch_free( sr );
+ so->s_res = srnext;
+ continue;
+ }
+ }
+ rc = syncprov_sendresp( op, &opc, so, &e, sr->s_mode, 0 );
+
+ if ( e ) {
+ be_entry_release_rw( op, e, 0 );
+ }
+ if ( rc )
+ break;
+
+ ch_free( sr );
+ so->s_res = srnext;
+ }
+ op->o_bd->bd_info = (BackendInfo *)on;
+ if ( !so->s_res )
+ so->s_restail = NULL;
+ return rc;
+}
+
/* Send a persistent search response */
static int
-syncprov_sendresp( Operation *op, opcookie *opc, syncops *so, Entry *e, int mode, int queue )
+syncprov_sendresp( Operation *op, opcookie *opc, syncops *so, Entry **e, int mode, int queue )
{
slap_overinst *on = opc->son;
- syncprov_info_t *si = on->on_bi.bi_private;
SlapReply rs = { REP_SEARCH };
LDAPControl *ctrls[2];
Operation sop = *so->s_op;
Opheader ohdr;
+ if ( so->s_op->o_abandon )
+ return SLAPD_ABANDON;
+
ohdr = *sop.o_hdr;
sop.o_hdr = &ohdr;
sop.o_tmpmemctx = op->o_tmpmemctx;
sop.o_bd = op->o_bd;
sop.o_controls = op->o_controls;
+ sop.o_private = op->o_private;
- if ( queue && (so->s_flags & PS_IS_REFRESHING) ) {
+ /* If queueing is allowed */
+ if ( queue ) {
ldap_pvt_thread_mutex_lock( &so->s_mutex );
- if ( so->s_flags & PS_IS_REFRESHING )
+ /* If we're still in refresh mode, must queue */
+ if (so->s_flags & PS_IS_REFRESHING) {
return syncprov_qresp( opc, so, mode );
+ }
+ /* If connection is free but queue is non-empty,
+ * try to flush the queue.
+ */
+ if ( so->s_res ) {
+ rs.sr_err = syncprov_qplay( &sop, on, so );
+ }
+ /* If the connection is busy, must queue */
+ if ( sop.o_conn->c_writewaiter || rs.sr_err == LDAP_BUSY ) {
+ return syncprov_qresp( opc, so, mode );
+ }
ldap_pvt_thread_mutex_unlock( &so->s_mutex );
+
+ /* If syncprov_qplay returned any other error, bail out. */
+ if ( rs.sr_err ) {
+ return rs.sr_err;
+ }
+ } else {
+ /* Queueing not allowed and conn is busy, give up */
+ if ( sop.o_conn->c_writewaiter )
+ return LDAP_BUSY;
}
ctrls[1] = NULL;
- slap_compose_sync_cookie( op, &cookie, &opc->sctxcsn,
- so->s_sid, so->s_rid );
+ slap_compose_sync_cookie( op, &cookie, &opc->sctxcsn, so->s_rid );
e_uuid.e_attrs = &a_uuid;
a_uuid.a_desc = slap_schema.si_ad_entryUUID;
rs.sr_err = syncprov_state_ctrl( &sop, &rs, &e_uuid,
mode, ctrls, 0, 1, &cookie );
- rs.sr_entry = e;
rs.sr_ctrls = ctrls;
+ op->o_bd->bd_info = (BackendInfo *)on->on_info;
switch( mode ) {
case LDAP_SYNC_ADD:
+ rs.sr_entry = *e;
+ if ( rs.sr_entry->e_private )
+ rs.sr_flags = REP_ENTRY_MUSTRELEASE;
if ( opc->sreference ) {
- rs.sr_ref = get_entry_referrals( &sop, e );
+ rs.sr_ref = get_entry_referrals( &sop, rs.sr_entry );
send_search_reference( &sop, &rs );
ber_bvarray_free( rs.sr_ref );
+ if ( !rs.sr_entry )
+ *e = NULL;
break;
}
/* fallthru */
case LDAP_SYNC_MODIFY:
+ rs.sr_entry = *e;
+ if ( rs.sr_entry->e_private )
+ rs.sr_flags = REP_ENTRY_MUSTRELEASE;
rs.sr_attrs = sop.ors_attrs;
send_search_entry( &sop, &rs );
+ if ( !rs.sr_entry )
+ *e = NULL;
break;
case LDAP_SYNC_DELETE:
e_uuid.e_attrs = NULL;
assert(0);
}
op->o_tmpfree( rs.sr_ctrls[0], op->o_tmpmemctx );
+ op->o_private = sop.o_private;
rs.sr_ctrls = NULL;
+ /* Check queue again here; if we were hanging in a send and eventually
+ * recovered, there may be more to send now. But don't check if the
+ * original psearch has been abandoned.
+ */
+ if ( so->s_op->o_abandon )
+ return SLAPD_ABANDON;
+
+ if ( rs.sr_err == LDAP_SUCCESS && queue && so->s_res ) {
+ ldap_pvt_thread_mutex_lock( &so->s_mutex );
+ rs.sr_err = syncprov_qplay( &sop, on, so );
+ ldap_pvt_thread_mutex_unlock( &so->s_mutex );
+ }
return rs.sr_err;
}
syncprov_free_syncop( syncops *so )
{
syncres *sr, *srnext;
+ GroupAssertion *ga, *gnext;
ldap_pvt_thread_mutex_lock( &so->s_mutex );
so->s_inuse--;
return;
}
ldap_pvt_thread_mutex_unlock( &so->s_mutex );
- filter_free( so->s_op->ors_filter );
- ch_free( so->s_op );
+ if ( so->s_flags & PS_IS_DETACHED ) {
+ filter_free( so->s_op->ors_filter );
+ for ( ga = so->s_op->o_groups; ga; ga=gnext ) {
+ gnext = ga->ga_next;
+ ch_free( ga );
+ }
+ ch_free( so->s_op );
+ }
ch_free( so->s_base.bv_val );
for ( sr=so->s_res; sr; sr=srnext ) {
srnext = sr->s_next;
}
static int
-syncprov_drop_psearch( syncops *so )
+syncprov_drop_psearch( syncops *so, int lock )
{
- ldap_pvt_thread_mutex_lock( &so->s_op->o_conn->c_mutex );
- so->s_op->o_conn->c_n_ops_executing--;
- so->s_op->o_conn->c_n_ops_completed++;
- ldap_pvt_thread_mutex_unlock( &so->s_op->o_conn->c_mutex );
+ if ( so->s_flags & PS_IS_DETACHED ) {
+ if ( lock )
+ ldap_pvt_thread_mutex_lock( &so->s_op->o_conn->c_mutex );
+ so->s_op->o_conn->c_n_ops_executing--;
+ so->s_op->o_conn->c_n_ops_completed++;
+ LDAP_STAILQ_REMOVE( &so->s_op->o_conn->c_ops, so->s_op, slap_op,
+ o_next );
+ if ( lock )
+ ldap_pvt_thread_mutex_unlock( &so->s_op->o_conn->c_mutex );
+ }
syncprov_free_syncop( so );
+
+ return 0;
+}
+
+static int
+syncprov_ab_cleanup( Operation *op, SlapReply *rs )
+{
+ slap_callback *sc = op->o_callback;
+ op->o_callback = sc->sc_next;
+ syncprov_drop_psearch( op->o_callback->sc_private, 0 );
+ op->o_tmpfree( sc, op->o_tmpmemctx );
+ return 0;
}
static int
if ( so ) {
/* Is this really a Cancel exop? */
if ( op->o_tag != LDAP_REQ_ABANDON ) {
+ so->s_op->o_cancel = SLAP_CANCEL_ACK;
rs->sr_err = LDAP_CANCELLED;
send_ldap_result( so->s_op, rs );
+ if ( so->s_flags & PS_IS_DETACHED ) {
+ slap_callback *cb;
+ cb = op->o_tmpcalloc( 1, sizeof(slap_callback), op->o_tmpmemctx );
+ cb->sc_cleanup = syncprov_ab_cleanup;
+ cb->sc_next = op->o_callback;
+ cb->sc_private = so;
+ return SLAP_CB_CONTINUE;
+ }
}
- syncprov_drop_psearch( so );
+ syncprov_drop_psearch( so, 0 );
}
return SLAP_CB_CONTINUE;
}
if ( op->o_tag != LDAP_REQ_ADD ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
rc = be_entry_get_rw( op, fc.fdn, NULL, NULL, 0, &e );
+ /* If we're sending responses now, make a copy and unlock the DB */
+ if ( e && !saveit ) {
+ Entry *e2 = entry_dup( e );
+ be_entry_release_rw( op, e, 0 );
+ e = e2;
+ }
op->o_bd->bd_info = (BackendInfo *)on;
if ( rc ) return;
} else {
e = op->ora_e;
}
- /* Never replicate these */
- if ( is_entry_syncConsumerSubentry( e )) {
- goto done;
- }
if ( saveit ) {
ber_dupbv_x( &opc->sdn, &e->e_name, op->o_tmpmemctx );
ber_dupbv_x( &opc->sndn, &e->e_nname, op->o_tmpmemctx );
send_ldap_error( ss->s_op, &rs, LDAP_SYNC_REFRESH_REQUIRED,
"search base has changed" );
sprev->s_next = snext;
- syncprov_drop_psearch( ss );
+ syncprov_drop_psearch( ss, 1 );
continue;
}
opc->smatches = sm;
} else {
/* if found send UPDATE else send ADD */
- syncprov_sendresp( op, opc, ss, e,
+ ss->s_inuse++;
+ ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
+ syncprov_sendresp( op, opc, ss, &e,
found ? LDAP_SYNC_MODIFY : LDAP_SYNC_ADD, 1 );
+ ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
+ ss->s_inuse--;
}
} else if ( !saveit && found ) {
/* send DELETE */
+ ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
syncprov_sendresp( op, opc, ss, NULL, LDAP_SYNC_DELETE, 1 );
+ ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
}
}
ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
-done:
- if ( op->o_tag != LDAP_REQ_ADD ) {
+
+ if ( op->o_tag != LDAP_REQ_ADD && e ) {
op->o_bd->bd_info = (BackendInfo *)on->on_info;
- be_entry_release_r( op, e );
+ be_entry_release_rw( op, e, 0 );
op->o_bd->bd_info = (BackendInfo *)on;
}
if ( freefdn ) {
/* Remove op from lock table */
mtdummy.mt_op = op;
- ldap_pvt_thread_rdwr_rlock( &si->si_mods_rwlock );
+ ldap_pvt_thread_mutex_lock( &si->si_mods_mutex );
mt = avl_find( si->si_mods, &mtdummy, sp_avl_cmp );
- ldap_pvt_thread_rdwr_runlock( &si->si_mods_rwlock );
if ( mt ) {
modinst *mi = mt->mt_mods;
mt->mt_op = mt->mt_mods->mi_op;
ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
} else {
- ldap_pvt_thread_rdwr_wlock( &si->si_mods_rwlock );
avl_delete( &si->si_mods, mt, sp_avl_cmp );
- ldap_pvt_thread_rdwr_wunlock( &si->si_mods_rwlock );
ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
ldap_pvt_thread_mutex_destroy( &mt->mt_mutex );
ch_free( mt );
}
}
+ ldap_pvt_thread_mutex_unlock( &si->si_mods_mutex );
if ( !BER_BVISNULL( &opc->suuid ))
op->o_tmpfree( opc->suuid.bv_val, op->o_tmpmemctx );
if ( !BER_BVISNULL( &opc->sndn ))
op->o_tmpfree( opc->sdn.bv_val, op->o_tmpmemctx );
op->o_callback = cb->sc_next;
op->o_tmpfree(cb, op->o_tmpmemctx);
+
+ return 0;
}
static void
Modifications mod;
Operation opm;
struct berval bv[2];
- BackendInfo *orig;
slap_callback cb = {0};
+ int manage = get_manageDSAit(op);
mod.sml_values = bv;
bv[1].bv_val = NULL;
mod.sml_nvalues = NULL;
mod.sml_desc = slap_schema.si_ad_contextCSN;
mod.sml_op = LDAP_MOD_REPLACE;
+ mod.sml_flags = 0;
mod.sml_next = NULL;
cb.sc_response = slap_null_cb;
opm.orm_modlist = &mod;
opm.o_req_dn = op->o_bd->be_suffix[0];
opm.o_req_ndn = op->o_bd->be_nsuffix[0];
- orig = opm.o_bd->bd_info;
opm.o_bd->bd_info = on->on_info->oi_orig;
+ opm.o_managedsait = SLAP_CONTROL_NONCRITICAL;
opm.o_bd->be_modify( &opm, rs );
+ opm.o_managedsait = manage;
+}
+
+static void
+syncprov_add_slog( Operation *op, struct berval *csn )
+{
+ opcookie *opc = op->o_callback->sc_private;
+ slap_overinst *on = opc->son;
+ syncprov_info_t *si = on->on_bi.bi_private;
+ sessionlog *sl;
+ slog_entry *se;
+
+ sl = si->si_logs;
+ {
+ /* Allocate a record. UUIDs are not NUL-terminated. */
+ se = ch_malloc( sizeof( slog_entry ) + opc->suuid.bv_len +
+ csn->bv_len + 1 );
+ se->se_next = NULL;
+ se->se_tag = op->o_tag;
+
+ se->se_uuid.bv_val = (char *)(se+1);
+ AC_MEMCPY( se->se_uuid.bv_val, opc->suuid.bv_val, opc->suuid.bv_len );
+ se->se_uuid.bv_len = opc->suuid.bv_len;
+
+ se->se_csn.bv_val = se->se_uuid.bv_val + opc->suuid.bv_len;
+ AC_MEMCPY( se->se_csn.bv_val, csn->bv_val, csn->bv_len );
+ se->se_csn.bv_val[csn->bv_len] = '\0';
+ se->se_csn.bv_len = csn->bv_len;
+
+ ldap_pvt_thread_mutex_lock( &sl->sl_mutex );
+ if ( sl->sl_head ) {
+ sl->sl_tail->se_next = se;
+ } else {
+ sl->sl_head = se;
+ }
+ sl->sl_tail = se;
+ sl->sl_num++;
+ while ( sl->sl_num > sl->sl_size ) {
+ se = sl->sl_head;
+ sl->sl_head = se->se_next;
+ strcpy( sl->sl_mincsn.bv_val, se->se_csn.bv_val );
+ sl->sl_mincsn.bv_len = se->se_csn.bv_len;
+ ch_free( se );
+ sl->sl_num--;
+ if ( !sl->sl_head ) {
+ sl->sl_tail = NULL;
+ }
+ }
+ ldap_pvt_thread_mutex_unlock( &sl->sl_mutex );
+ }
+}
+
+/* Just set a flag if we found the matching entry */
+static int
+playlog_cb( Operation *op, SlapReply *rs )
+{
+ if ( rs->sr_type == REP_SEARCH ) {
+ op->o_callback->sc_private = (void *)1;
+ }
+ return rs->sr_err;
+}
+
+/* enter with sl->sl_mutex locked, release before returning */
+static void
+syncprov_playlog( Operation *op, SlapReply *rs, sessionlog *sl,
+ struct berval *oldcsn, struct berval *ctxcsn )
+{
+ slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
+ slog_entry *se;
+ int i, j, ndel, num, nmods, mmods;
+ BerVarray uuids;
+
+ if ( !sl->sl_num ) {
+ ldap_pvt_thread_mutex_unlock( &sl->sl_mutex );
+ return;
+ }
+
+ num = sl->sl_num;
+ i = 0;
+ nmods = 0;
+
+ uuids = op->o_tmpalloc( (num+1) * sizeof( struct berval ) +
+ num * UUID_LEN, op->o_tmpmemctx );
+
+ uuids[0].bv_val = (char *)(uuids + num + 1);
+
+ /* Make a copy of the relevant UUIDs. Put the Deletes up front
+ * and everything else at the end. Do this first so we can
+ * unlock the list mutex.
+ */
+ for ( se=sl->sl_head; se; se=se->se_next ) {
+ if ( ber_bvcmp( &se->se_csn, oldcsn ) < 0 ) continue;
+ if ( ber_bvcmp( &se->se_csn, ctxcsn ) > 0 ) break;
+ if ( se->se_tag == LDAP_REQ_DELETE ) {
+ j = i;
+ i++;
+ } else {
+ nmods++;
+ j = num - nmods;
+ }
+ uuids[j].bv_val = uuids[0].bv_val + (j * UUID_LEN);
+ AC_MEMCPY(uuids[j].bv_val, se->se_uuid.bv_val, UUID_LEN);
+ uuids[j].bv_len = UUID_LEN;
+ }
+ ldap_pvt_thread_mutex_unlock( &sl->sl_mutex );
+
+ ndel = i;
+
+ /* Zero out unused slots */
+ for ( i=ndel; i < num - nmods; i++ )
+ uuids[i].bv_len = 0;
+
+ /* Mods must be validated to see if they belong in this delete set.
+ */
+
+ mmods = nmods;
+ /* Strip any duplicates */
+ for ( i=0; i<nmods; i++ ) {
+ for ( j=0; j<ndel; j++ ) {
+ if ( bvmatch( &uuids[j], &uuids[num - 1 - i] )) {
+ uuids[num - 1 - i].bv_len = 0;
+ mmods --;
+ break;
+ }
+ }
+ if ( uuids[num - 1 - i].bv_len == 0 ) continue;
+ for ( j=0; j<i; j++ ) {
+ if ( bvmatch( &uuids[num - 1 - j], &uuids[num - 1 - i] )) {
+ uuids[num - 1 - i].bv_len = 0;
+ mmods --;
+ break;
+ }
+ }
+ }
+
+ if ( mmods ) {
+ Operation fop;
+ SlapReply frs = { REP_RESULT };
+ int rc;
+ Filter mf, af;
+#ifdef LDAP_COMP_MATCH
+ AttributeAssertion eq = { NULL, BER_BVNULL, NULL };
+#else
+ AttributeAssertion eq;
+#endif
+ slap_callback cb = {0};
+
+ fop = *op;
+
+ fop.o_sync_mode = 0;
+ fop.o_callback = &cb;
+ fop.ors_limit = NULL;
+ fop.ors_tlimit = SLAP_NO_LIMIT;
+ fop.ors_attrs = slap_anlist_all_attributes;
+ fop.ors_attrsonly = 0;
+ fop.o_managedsait = SLAP_CONTROL_CRITICAL;
+
+ af.f_choice = LDAP_FILTER_AND;
+ af.f_next = NULL;
+ af.f_and = &mf;
+ mf.f_choice = LDAP_FILTER_EQUALITY;
+ mf.f_ava = &eq;
+ mf.f_av_desc = slap_schema.si_ad_entryUUID;
+ mf.f_next = fop.ors_filter;
+
+ fop.ors_filter = ⁡
+
+ cb.sc_response = playlog_cb;
+ fop.o_bd->bd_info = on->on_info->oi_orig;
+
+ for ( i=ndel; i<num; i++ ) {
+ if ( uuids[i].bv_len == 0 ) continue;
+
+ mf.f_av_value = uuids[i];
+ cb.sc_private = NULL;
+ fop.ors_slimit = 1;
+ rc = fop.o_bd->be_search( &fop, &frs );
+
+ /* If entry was not found, add to delete list */
+ if ( !cb.sc_private ) {
+ uuids[ndel++] = uuids[i];
+ }
+ }
+ fop.o_bd->bd_info = (BackendInfo *)on;
+ }
+ if ( ndel ) {
+ uuids[ndel].bv_val = NULL;
+ syncprov_sendinfo( op, rs, LDAP_TAG_SYNC_ID_SET, NULL, 0, uuids, 1 );
+ }
}
static int
if ( rs->sr_err == LDAP_SUCCESS )
{
- struct berval maxcsn;
+ struct berval maxcsn = BER_BVNULL, curcsn = BER_BVNULL;
char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
/* Update our context CSN */
cbuf[0] = '\0';
ldap_pvt_thread_mutex_lock( &si->si_csn_mutex );
- slap_get_commit_csn( op, &maxcsn );
+ slap_get_commit_csn( op, &maxcsn, &curcsn );
if ( !BER_BVISNULL( &maxcsn ) ) {
strcpy( cbuf, maxcsn.bv_val );
if ( ber_bvcmp( &maxcsn, &si->si_ctxcsn ) > 0 ) {
}
}
+ /* Don't do any processing for consumer contextCSN updates */
+ if ( SLAP_SYNC_SHADOW( op->o_bd ) &&
+ op->o_msgid == SLAP_SYNC_UPDATE_MSGID ) {
+ ldap_pvt_thread_mutex_unlock( &si->si_csn_mutex );
+ return SLAP_CB_CONTINUE;
+ }
+
si->si_numops++;
if ( si->si_chkops || si->si_chktime ) {
int do_check=0;
/* for each match in opc->smatches:
* send DELETE msg
*/
- ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
for ( sm = opc->smatches; sm; sm=sm->sm_next ) {
if ( sm->sm_op->s_op->o_abandon )
continue;
syncprov_sendresp( op, opc, sm->sm_op, NULL,
LDAP_SYNC_DELETE, 1 );
}
- ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
break;
}
}
+ /* Add any log records */
+ if ( si->si_logs && op->o_tag != LDAP_REQ_ADD ) {
+ syncprov_add_slog( op, &curcsn );
+ }
+
}
return SLAP_CB_CONTINUE;
}
/* See if we're already modifying this entry... */
mtdummy.mt_op = op;
- ldap_pvt_thread_rdwr_wlock( &si->si_mods_rwlock );
+ ldap_pvt_thread_mutex_lock( &si->si_mods_mutex );
mt = avl_find( si->si_mods, &mtdummy, sp_avl_cmp );
if ( mt ) {
ldap_pvt_thread_mutex_lock( &mt->mt_mutex );
- ldap_pvt_thread_rdwr_wunlock( &si->si_mods_rwlock );
+ ldap_pvt_thread_mutex_unlock( &si->si_mods_mutex );
mt->mt_tail->mi_next = mi;
mt->mt_tail = mi;
/* wait for this op to get to head of list */
ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
ldap_pvt_thread_yield();
ldap_pvt_thread_mutex_lock( &mt->mt_mutex );
+
+ /* clean up if the caller is giving up */
+ if ( op->o_abandon ) {
+ modinst *m2;
+ for ( m2 = mt->mt_mods; m2->mi_next != mi;
+ m2 = m2->mi_next );
+ m2->mi_next = mi->mi_next;
+ if ( mt->mt_tail == mi ) mt->mt_tail = m2;
+ op->o_tmpfree( cb, op->o_tmpmemctx );
+ ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
+ return SLAPD_ABANDON;
+ }
}
+ ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
} else {
/* Record that we're modifying this entry now */
mt = ch_malloc( sizeof(modtarget) );
mt->mt_op = mi->mi_op;
ldap_pvt_thread_mutex_init( &mt->mt_mutex );
avl_insert( &si->si_mods, mt, sp_avl_cmp, avl_dup_error );
- ldap_pvt_thread_rdwr_wunlock( &si->si_mods_rwlock );
+ ldap_pvt_thread_mutex_unlock( &si->si_mods_mutex );
}
-
- if ( op->o_tag != LDAP_REQ_ADD )
- syncprov_matchops( op, opc, 1 );
}
+ if (( si->si_ops || si->si_logs ) && op->o_tag != LDAP_REQ_ADD )
+ syncprov_matchops( op, opc, 1 );
+
return SLAP_CB_CONTINUE;
}
typedef struct searchstate {
slap_overinst *ss_on;
syncops *ss_so;
+ int ss_present;
} searchstate;
static int
syncprov_search_cleanup( Operation *op, SlapReply *rs )
{
-#if 0
if ( rs->sr_ctrls ) {
- free( rs->sr_ctrls[0] );
+ op->o_tmpfree( rs->sr_ctrls[0], op->o_tmpmemctx );
op->o_tmpfree( rs->sr_ctrls, op->o_tmpmemctx );
rs->sr_ctrls = NULL;
}
-#endif
return 0;
}
int i, alen = 0;
size_t size;
char *ptr;
+ GroupAssertion *g1, *g2;
/* count the search attrs */
for (i=0; op->ors_attrs && !BER_BVISNULL( &op->ors_attrs[i].an_name ); i++) {
op->o_req_ndn.bv_len + 1 +
op->o_ndn.bv_len + 1 +
so->s_filterstr.bv_len + 1;
- op2 = (Operation *)ch_malloc( size );
- *op2 = *op;
+ op2 = (Operation *)ch_calloc( 1, size );
op2->o_hdr = (Opheader *)(op2+1);
+
+ /* Copy the fields we care about explicitly, leave the rest alone */
*op2->o_hdr = *op->o_hdr;
+ op2->o_tag = op->o_tag;
+ op2->o_time = op->o_time;
+ op2->o_bd = op->o_bd;
+ op2->o_request = op->o_request;
+
if ( i ) {
op2->ors_attrs = (AttributeName *)(op2->o_hdr + 1);
ptr = (char *)(op2->ors_attrs+i+1);
} else {
ptr = (char *)(op2->o_hdr + 1);
}
+ op2->o_authz = op->o_authz;
op2->o_ndn.bv_val = ptr;
ptr = lutil_strcopy(ptr, op->o_ndn.bv_val) + 1;
op2->o_dn = op2->o_ndn;
+ op2->o_req_dn.bv_len = op->o_req_dn.bv_len;
op2->o_req_dn.bv_val = ptr;
ptr = lutil_strcopy(ptr, op->o_req_dn.bv_val) + 1;
+ op2->o_req_ndn.bv_len = op->o_req_ndn.bv_len;
op2->o_req_ndn.bv_val = ptr;
ptr = lutil_strcopy(ptr, op->o_req_ndn.bv_val) + 1;
op2->ors_filterstr.bv_val = ptr;
strcpy( ptr, so->s_filterstr.bv_val );
op2->ors_filterstr.bv_len = so->s_filterstr.bv_len;
op2->ors_filter = str2filter( ptr );
- op2->o_controls = NULL;
- op2->o_callback = NULL;
so->s_op = op2;
- /* Increment number of ops so that idletimeout ignores us */
+ /* Copy any cached group ACLs individually */
+ op2->o_groups = NULL;
+ for ( g1=op->o_groups; g1; g1=g1->ga_next ) {
+ g2 = ch_malloc( sizeof(GroupAssertion) + g1->ga_len );
+ *g2 = *g1;
+ strcpy( g2->ga_ndn, g1->ga_ndn );
+ g2->ga_next = op2->o_groups;
+ op2->o_groups = g2;
+ }
+
+ /* Add op2 to conn so abandon will find us */
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
op->o_conn->c_n_ops_executing++;
op->o_conn->c_n_ops_completed--;
+ LDAP_STAILQ_INSERT_TAIL( &op->o_conn->c_ops, op2, o_next );
+ so->s_flags |= PS_IS_DETACHED;
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
}
{
searchstate *ss = op->o_callback->sc_private;
slap_overinst *on = ss->ss_on;
- syncprov_info_t *si = on->on_bi.bi_private;
sync_control *srs = op->o_controls[slap_cids.sc_LDAPsync];
if ( rs->sr_type == REP_SEARCH || rs->sr_type == REP_SEARCHREF ) {
- int i;
/* If we got a referral without a referral object, there's
* something missing that we cannot replicate. Just ignore it.
* The consumer will abort because we didn't send the expected
* control.
*/
if ( !rs->sr_entry ) {
- assert( rs->sr_entry );
+ assert( rs->sr_entry != NULL );
Debug( LDAP_DEBUG_ANY, "bogus referral in context\n",0,0,0 );
return SLAP_CB_CONTINUE;
}
- if ( srs->sr_state.ctxcsn ) {
+ if ( !BER_BVISNULL( &srs->sr_state.ctxcsn )) {
Attribute *a = attr_find( rs->sr_entry->e_attrs,
slap_schema.si_ad_entryCSN );
+
/* Don't send the ctx entry twice */
- if ( bvmatch( &a->a_nvals[0], srs->sr_state.ctxcsn ))
+ if ( a && bvmatch( &a->a_nvals[0], &srs->sr_state.ctxcsn ) )
return LDAP_SUCCESS;
}
rs->sr_ctrls = op->o_tmpalloc( sizeof(LDAPControl *)*2,
slap_compose_sync_cookie( op, &cookie,
&op->ors_filter->f_and->f_ava->aa_value,
- srs->sr_state.sid, srs->sr_state.rid );
+ srs->sr_state.rid );
/* Is this a regular refresh? */
if ( !ss->ss_so ) {
op->o_tmpmemctx );
rs->sr_ctrls[1] = NULL;
rs->sr_err = syncprov_done_ctrl( op, rs, rs->sr_ctrls,
- 0, 1, &cookie, LDAP_SYNC_REFRESH_PRESENTS );
+ 0, 1, &cookie, ss->ss_present ? LDAP_SYNC_REFRESH_PRESENTS :
+ LDAP_SYNC_REFRESH_DELETES );
} else {
int locked = 0;
/* It's RefreshAndPersist, transition to Persist phase */
- syncprov_sendinfo( op, rs, rs->sr_nentries ?
+ syncprov_sendinfo( op, rs, ( ss->ss_present && rs->sr_nentries ) ?
LDAP_TAG_SYNC_REFRESH_PRESENT : LDAP_TAG_SYNC_REFRESH_DELETE,
&cookie, 1, NULL, 0 );
/* Flush any queued persist messages */
if ( ss->ss_so->s_res ) {
- syncres *sr, *srnext;
- Entry *e;
- opcookie opc;
-
- opc.son = on;
ldap_pvt_thread_mutex_lock( &ss->ss_so->s_mutex );
locked = 1;
- for (sr = ss->ss_so->s_res; sr; sr=srnext) {
- int rc = LDAP_SUCCESS;
- srnext = sr->s_next;
- opc.sdn = sr->s_dn;
- opc.sndn = sr->s_ndn;
- opc.suuid = sr->s_uuid;
- opc.sctxcsn = sr->s_csn;
- opc.sreference = sr->s_isreference;
- e = NULL;
-
- if ( sr->s_mode != LDAP_SYNC_DELETE ) {
- op->o_bd->bd_info = (BackendInfo *)on->on_info;
- rc = be_entry_get_rw( op, &opc.sndn, NULL, NULL, 0, &e );
- op->o_bd->bd_info = (BackendInfo *)on;
- }
- if ( rc == LDAP_SUCCESS )
- syncprov_sendresp( op, &opc, ss->ss_so, e,
- sr->s_mode, 0 );
-
- if ( e ) {
- op->o_bd->bd_info = (BackendInfo *)on->on_info;
- be_entry_release_r( op, e );
- op->o_bd->bd_info = (BackendInfo *)on;
- }
- ch_free( sr );
- }
- ss->ss_so->s_res = NULL;
- ss->ss_so->s_restail = NULL;
+ syncprov_qplay( op, on, ss->ss_so );
}
/* Turn off the refreshing flag */
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
slap_callback *cb;
- int gotstate = 0, nochange = 0;
+ int gotstate = 0, nochange = 0, do_present = 1;
Filter *fand, *fava;
syncops *sop = NULL;
searchstate *ss;
sync_control *srs;
+ struct berval ctxcsn;
+ char csnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
if ( !(op->o_sync_mode & SLAP_SYNC_REFRESH) ) return SLAP_CB_CONTINUE;
}
srs = op->o_controls[slap_cids.sc_LDAPsync];
+ op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
/* If this is a persistent search, set it up right away */
if ( op->o_sync_mode & SLAP_SYNC_PERSIST ) {
sop = ch_malloc( sizeof( syncops ));
*sop = so;
ldap_pvt_thread_mutex_init( &sop->s_mutex );
- ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
- sop->s_sid = srs->sr_state.sid;
sop->s_rid = srs->sr_state.rid;
- sop->s_next = si->si_ops;
sop->s_inuse = 1;
+
+ ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
+ sop->s_next = si->si_ops;
si->si_ops = sop;
ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
}
- /* If we have a cookie, handle the PRESENT lookups
- */
- if ( srs->sr_state.ctxcsn ) {
- /* Is the CSN in a valid format? */
- if ( srs->sr_state.ctxcsn->bv_len >= LDAP_LUTIL_CSNSTR_BUFSIZE ) {
- send_ldap_error( op, rs, LDAP_OTHER, "invalid sync cookie" );
- return rs->sr_err;
+ /* snapshot the ctxcsn */
+ ldap_pvt_thread_mutex_lock( &si->si_csn_mutex );
+ strcpy( csnbuf, si->si_ctxcsnbuf );
+ ctxcsn.bv_len = si->si_ctxcsn.bv_len;
+ ldap_pvt_thread_mutex_unlock( &si->si_csn_mutex );
+ ctxcsn.bv_val = csnbuf;
+
+ /* If we have a cookie, handle the PRESENT lookups */
+ if ( !BER_BVISNULL( &srs->sr_state.ctxcsn )) {
+ sessionlog *sl;
+
+ /* The cookie was validated when it was parsed, just use it */
+
+ /* If just Refreshing and nothing has changed, shortcut it */
+ if ( bvmatch( &srs->sr_state.ctxcsn, &ctxcsn )) {
+ nochange = 1;
+ if ( !(op->o_sync_mode & SLAP_SYNC_PERSIST) ) {
+ LDAPControl *ctrls[2];
+
+ ctrls[0] = NULL;
+ ctrls[1] = NULL;
+ syncprov_done_ctrl( op, rs, ctrls, 0, 0,
+ NULL, LDAP_SYNC_REFRESH_DELETES );
+ rs->sr_ctrls = ctrls;
+ rs->sr_err = LDAP_SUCCESS;
+ send_ldap_result( op, rs );
+ rs->sr_ctrls = NULL;
+ return rs->sr_err;
+ }
+ goto shortcut;
+ }
+ /* Do we have a sessionlog for this search? */
+ sl=si->si_logs;
+ if ( sl ) {
+ ldap_pvt_thread_mutex_lock( &sl->sl_mutex );
+ if ( ber_bvcmp( &srs->sr_state.ctxcsn, &sl->sl_mincsn ) >= 0 ) {
+ do_present = 0;
+ /* mutex is unlocked in playlog */
+ syncprov_playlog( op, rs, sl, &srs->sr_state.ctxcsn, &ctxcsn );
+ } else {
+ ldap_pvt_thread_mutex_unlock( &sl->sl_mutex );
+ }
}
/* Is the CSN still present in the database? */
if ( syncprov_findcsn( op, FIND_CSN ) != LDAP_SUCCESS ) {
#endif
} else {
gotstate = 1;
- /* If just Refreshing and nothing has changed, shortcut it */
- if ( bvmatch( srs->sr_state.ctxcsn, &si->si_ctxcsn )) {
- nochange = 1;
- if ( !(op->o_sync_mode & SLAP_SYNC_PERSIST) ) {
- LDAPControl *ctrls[2];
-
- ctrls[0] = NULL;
- ctrls[1] = NULL;
- syncprov_done_ctrl( op, rs, ctrls, 0, 0,
- NULL, LDAP_SYNC_REFRESH_DELETES );
- rs->sr_ctrls = ctrls;
- rs->sr_err = LDAP_SUCCESS;
- send_ldap_result( op, rs );
- rs->sr_ctrls = NULL;
- return rs->sr_err;
- }
- goto shortcut;
- } else
- /* If context has changed, check for Present UUIDs */
- if ( syncprov_findcsn( op, FIND_PRESENT ) != LDAP_SUCCESS ) {
+ /* If changed and doing Present lookup, send Present UUIDs */
+ if ( do_present && syncprov_findcsn( op, FIND_PRESENT ) !=
+ LDAP_SUCCESS ) {
send_ldap_result( op, rs );
return rs->sr_err;
}
}
}
+shortcut:
/* Append CSN range to search filter, save original filter
* for persistent search evaluation
*/
fava->f_choice = LDAP_FILTER_LE;
fava->f_ava = op->o_tmpalloc( sizeof(AttributeAssertion), op->o_tmpmemctx );
fava->f_ava->aa_desc = slap_schema.si_ad_entryCSN;
- ldap_pvt_thread_mutex_lock( &si->si_csn_mutex );
- ber_dupbv_x( &fava->f_ava->aa_value, &si->si_ctxcsn, op->o_tmpmemctx );
- ldap_pvt_thread_mutex_unlock( &si->si_csn_mutex );
+#ifdef LDAP_COMP_MATCH
+ fava->f_ava->aa_cf = NULL;
+#endif
+ ber_dupbv_x( &fava->f_ava->aa_value, &ctxcsn, op->o_tmpmemctx );
fand->f_and = fava;
if ( gotstate ) {
fava->f_next = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
fava->f_choice = LDAP_FILTER_GE;
fava->f_ava = op->o_tmpalloc( sizeof(AttributeAssertion), op->o_tmpmemctx );
fava->f_ava->aa_desc = slap_schema.si_ad_entryCSN;
- ber_dupbv_x( &fava->f_ava->aa_value, srs->sr_state.ctxcsn, op->o_tmpmemctx );
+#ifdef LDAP_COMP_MATCH
+ fava->f_ava->aa_cf = NULL;
+#endif
+ ber_dupbv_x( &fava->f_ava->aa_value, &srs->sr_state.ctxcsn, op->o_tmpmemctx );
}
fava->f_next = op->ors_filter;
op->ors_filter = fand;
filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
-shortcut:
/* Let our callback add needed info to returned entries */
cb = op->o_tmpcalloc(1, sizeof(slap_callback)+sizeof(searchstate), op->o_tmpmemctx);
ss = (searchstate *)(cb+1);
ss->ss_on = on;
ss->ss_so = sop;
+ ss->ss_present = do_present;
cb->sc_response = syncprov_search_response;
cb->sc_cleanup = syncprov_search_cleanup;
cb->sc_private = ss;
return SLAP_CB_CONTINUE;
}
+enum {
+ SP_CHKPT = 1,
+ SP_SESSL
+};
+
+static ConfigDriver sp_cf_gen;
+
+static ConfigTable spcfg[] = {
+ { "syncprov-checkpoint", "ops> <minutes", 3, 3, 0, ARG_MAGIC|SP_CHKPT,
+ sp_cf_gen, "( OLcfgOvAt:1.1 NAME 'olcSpCheckpoint' "
+ "DESC 'ContextCSN checkpoint interval in ops and minutes' "
+ "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+ { "syncprov-sessionlog", "size", 2, 2, 0, ARG_INT|ARG_MAGIC|SP_SESSL,
+ sp_cf_gen, "( OLcfgOvAt:1.2 NAME 'olcSpSessionlog' "
+ "DESC 'Session log size in ops' "
+ "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
+ { NULL, NULL, 0, 0, 0, ARG_IGNORED }
+};
+
+static ConfigOCs spocs[] = {
+ { "( OLcfgOvOc:1.1 "
+ "NAME 'olcSyncProvConfig' "
+ "DESC 'SyncRepl Provider configuration' "
+ "SUP olcOverlayConfig "
+ "MAY ( olcSpCheckpoint $ olcSpSessionlog ) )",
+ Cft_Overlay, spcfg },
+ { NULL, 0, NULL }
+};
+
static int
-syncprov_db_config(
- BackendDB *be,
- const char *fname,
- int lineno,
- int argc,
- char **argv
-)
+sp_cf_gen(ConfigArgs *c)
{
- slap_overinst *on = (slap_overinst *)be->bd_info;
+ slap_overinst *on = (slap_overinst *)c->bi;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
-
- if ( strcasecmp( argv[ 0 ], "syncprov-checkpoint" ) == 0 ) {
- if ( argc != 3 ) {
- fprintf( stderr, "%s: line %d: wrong number of arguments in "
- "\"syncprov-checkpoint <ops> <minutes>\"\n", fname, lineno );
- return -1;
+ int rc = 0;
+
+ if ( c->op == SLAP_CONFIG_EMIT ) {
+ switch ( c->type ) {
+ case SP_CHKPT:
+ if ( si->si_chkops || si->si_chktime ) {
+ struct berval bv;
+ bv.bv_len = sprintf( c->msg, "%d %d",
+ si->si_chkops, si->si_chktime );
+ bv.bv_val = c->msg;
+ value_add_one( &c->rvalue_vals, &bv );
+ } else {
+ rc = 1;
+ }
+ break;
+ case SP_SESSL:
+ if ( si->si_logs ) {
+ c->value_int = si->si_logs->sl_size;
+ } else {
+ rc = 1;
+ }
+ break;
}
- si->si_chkops = atoi( argv[1] );
- si->si_chktime = atoi( argv[2] ) * 60;
- return 0;
-
+ return rc;
+ } else if ( c->op == LDAP_MOD_DELETE ) {
+ switch ( c->type ) {
+ case SP_CHKPT:
+ si->si_chkops = 0;
+ si->si_chktime = 0;
+ break;
+ case SP_SESSL:
+ if ( si->si_logs )
+ si->si_logs->sl_size = 0;
+ else
+ rc = LDAP_NO_SUCH_ATTRIBUTE;
+ break;
+ }
+ return rc;
}
-
- return SLAP_CONF_UNKNOWN;
+ switch ( c->type ) {
+ case SP_CHKPT:
+ si->si_chkops = atoi( c->argv[1] );
+ si->si_chktime = atoi( c->argv[2] ) * 60;
+ break;
+ case SP_SESSL: {
+ sessionlog *sl;
+ int size = c->value_int;
+
+ if ( size < 0 ) {
+ sprintf( c->msg, "%s size %d is negative",
+ c->argv[0], size );
+ Debug( LDAP_DEBUG_CONFIG, "%s: %s\n", c->log, c->msg, 0 );
+ return ARG_BAD_CONF;
+ }
+ sl = si->si_logs;
+ if ( !sl ) {
+ sl = ch_malloc( sizeof( sessionlog ) + LDAP_LUTIL_CSNSTR_BUFSIZE );
+ sl->sl_mincsn.bv_val = (char *)(sl+1);
+ sl->sl_mincsn.bv_len = 0;
+ sl->sl_num = 0;
+ sl->sl_head = sl->sl_tail = NULL;
+ ldap_pvt_thread_mutex_init( &sl->sl_mutex );
+ si->si_logs = sl;
+ }
+ sl->sl_size = size;
+ }
+ break;
+ }
+ return rc;
}
/* Cheating - we have no thread pool context for these functions,
/* A fake thread context */
static thread_keys thrctx[MAXKEYS];
+/* ITS#3456 we cannot run this search on the main thread, must use a
+ * child thread in order to insure we have a big enough stack.
+ */
+static void *
+syncprov_db_otask(
+ void *ptr
+)
+{
+ syncprov_findcsn( ptr, FIND_MAXCSN );
+ return NULL;
+}
+
/* Read any existing contextCSN from the underlying db.
* Then search for any entries newer than that. If no value exists,
* just generate it. Cache whatever result.
slap_overinst *on = (slap_overinst *) be->bd_info;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
+ Connection conn;
char opbuf[OPERATION_BUFFER_SIZE];
+ char ctxcsnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
Operation *op = (Operation *)opbuf;
Entry *e;
Attribute *a;
int rc;
- memset(opbuf, 0, sizeof(opbuf));
- op->o_hdr = (Opheader *)(op+1);
+ if ( slapMode & SLAP_TOOL_MODE ) {
+ return 0;
+ }
+
+ rc = overlay_register_control( be, LDAP_CONTROL_SYNC );
+ if ( rc ) {
+ return rc;
+ }
+
+ connection_fake_init( &conn, op, thrctx );
op->o_bd = be;
op->o_dn = be->be_rootdn;
op->o_ndn = be->be_rootndn;
- op->o_threadctx = thrctx;
- op->o_tmpmfuncs = &ch_mfuncs;
+
+ ctxcsnbuf[0] = '\0';
op->o_bd->bd_info = on->on_info->oi_orig;
rc = be_entry_get_rw( op, be->be_nsuffix, NULL,
slap_schema.si_ad_contextCSN, 0, &e );
if ( e ) {
+ ldap_pvt_thread_t tid;
+
a = attr_find( e->e_attrs, slap_schema.si_ad_contextCSN );
if ( a ) {
si->si_ctxcsn.bv_len = a->a_nvals[0].bv_len;
strncpy( si->si_ctxcsnbuf, a->a_nvals[0].bv_val,
si->si_ctxcsn.bv_len );
si->si_ctxcsnbuf[si->si_ctxcsn.bv_len] = '\0';
+ strcpy( ctxcsnbuf, si->si_ctxcsnbuf );
}
- be_entry_release_r( op, e );
+ be_entry_release_rw( op, e, 0 );
+ op->o_bd->bd_info = (BackendInfo *)on;
+ op->o_req_dn = be->be_suffix[0];
+ op->o_req_ndn = be->be_nsuffix[0];
+ op->ors_scope = LDAP_SCOPE_SUBTREE;
+ ldap_pvt_thread_create( &tid, 0, syncprov_db_otask, op );
+ ldap_pvt_thread_join( tid, NULL );
+ } else if ( SLAP_SYNC_SHADOW( op->o_bd )) {
+ /* If we're also a consumer, and we didn't find the context entry,
+ * then don't generate anything, wait for our provider to send it
+ * to us.
+ */
+ goto out;
}
if ( BER_BVISEMPTY( &si->si_ctxcsn ) ) {
&si->si_ctxcsn, 0 );
}
+ /* If our ctxcsn is different from what was read from the root
+ * entry, make sure we do a checkpoint on close
+ */
+ if ( strcmp( si->si_ctxcsnbuf, ctxcsnbuf )) {
+ si->si_numops++;
+ }
+
+out:
op->o_bd->bd_info = (BackendInfo *)on;
return 0;
}
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
int i;
+ if ( slapMode & SLAP_TOOL_MODE ) {
+ return 0;
+ }
if ( si->si_numops ) {
Connection conn;
char opbuf[OPERATION_BUFFER_SIZE];
on->on_bi.bi_private = si;
ldap_pvt_thread_mutex_init( &si->si_csn_mutex );
ldap_pvt_thread_mutex_init( &si->si_ops_mutex );
- ldap_pvt_thread_rdwr_init( &si->si_mods_rwlock );
+ ldap_pvt_thread_mutex_init( &si->si_mods_mutex );
si->si_ctxcsn.bv_val = si->si_ctxcsnbuf;
csn_anlist[0].an_desc = slap_schema.si_ad_entryCSN;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
if ( si ) {
- ldap_pvt_thread_rdwr_destroy( &si->si_mods_rwlock );
+ ldap_pvt_thread_mutex_destroy( &si->si_mods_mutex );
ldap_pvt_thread_mutex_destroy( &si->si_ops_mutex );
ldap_pvt_thread_mutex_destroy( &si->si_csn_mutex );
ch_free( si );
LDAPControl *ctrl )
{
ber_tag_t tag;
- BerElement *ber;
+ BerElementBuffer berbuf;
+ BerElement *ber = (BerElement *)&berbuf;
ber_int_t mode;
ber_len_t len;
struct berval cookie = BER_BVNULL;
* }
*/
- ber = ber_init( &ctrl->ldctl_value );
- if( ber == NULL ) {
- rs->sr_text = "internal error";
- return LDAP_OTHER;
- }
+ ber_init2( ber, &ctrl->ldctl_value, 0 );
if ( (tag = ber_scanf( ber, "{i" /*}*/, &mode )) == LBER_ERROR ) {
rs->sr_text = "Sync control : mode decoding error";
tag = ber_peek_tag( ber, &len );
if ( tag == LDAP_TAG_SYNC_COOKIE ) {
- if (( ber_scanf( ber, /*{*/ "o", &cookie )) == LBER_ERROR ) {
+ if (( ber_scanf( ber, /*{*/ "m", &cookie )) == LBER_ERROR ) {
rs->sr_text = "Sync control : cookie decoding error";
return LDAP_PROTOCOL_ERROR;
}
sr = op->o_tmpcalloc( 1, sizeof(struct sync_control), op->o_tmpmemctx );
sr->sr_rhint = rhint;
if (!BER_BVISNULL(&cookie)) {
- ber_bvarray_add( &sr->sr_state.octet_str, &cookie );
- slap_parse_sync_cookie( &sr->sr_state );
+ ber_dupbv_x( &sr->sr_state.octet_str, &cookie, op->o_tmpmemctx );
+ slap_parse_sync_cookie( &sr->sr_state, op->o_tmpmemctx );
+ if ( sr->sr_state.rid == -1 ) {
+ rs->sr_text = "Sync control : cookie parsing error";
+ return LDAP_PROTOCOL_ERROR;
+ }
}
op->o_controls[slap_cids.sc_LDAPsync] = sr;
- (void) ber_free( ber, 1 );
-
op->o_sync = ctrl->ldctl_iscritical
? SLAP_CONTROL_CRITICAL
: SLAP_CONTROL_NONCRITICAL;
SLAP_CTRL_HIDE|SLAP_CTRL_SEARCH, NULL,
syncprov_parseCtrl, &slap_cids.sc_LDAPsync );
if ( rc != LDAP_SUCCESS ) {
- fprintf( stderr, "Failed to register control %d\n", rc );
+ Debug( LDAP_DEBUG_ANY,
+ "syncprov_init: Failed to register control %d\n", rc, 0, 0 );
return rc;
}
syncprov.on_bi.bi_type = "syncprov";
syncprov.on_bi.bi_db_init = syncprov_db_init;
- syncprov.on_bi.bi_db_config = syncprov_db_config;
syncprov.on_bi.bi_db_destroy = syncprov_db_destroy;
syncprov.on_bi.bi_db_open = syncprov_db_open;
syncprov.on_bi.bi_db_close = syncprov_db_close;
syncprov.on_bi.bi_extended = syncprov_op_extended;
syncprov.on_bi.bi_operational = syncprov_operational;
+ syncprov.on_bi.bi_cf_ocs = spocs;
+
+ rc = config_register_schema( spcfg, spocs );
+ if ( rc ) return rc;
+
return overlay_register( &syncprov );
}
projects / openldap / blobdiff