Author: metze
Date: 2007-01-12 17:02:55 +0000 (Fri, 12 Jan 2007)
New Revision: 20710

WebSVN: 
http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=20710

Log:
update or create the "repsFrom" values after applying replicated objects

metze
Modified:
   branches/SAMBA_4_0/source/dsdb/samdb/ldb_modules/repl_meta_data.c


Changeset:
Modified: branches/SAMBA_4_0/source/dsdb/samdb/ldb_modules/repl_meta_data.c
===================================================================
--- branches/SAMBA_4_0/source/dsdb/samdb/ldb_modules/repl_meta_data.c   
2007-01-12 16:02:10 UTC (rev 20709)
+++ branches/SAMBA_4_0/source/dsdb/samdb/ldb_modules/repl_meta_data.c   
2007-01-12 17:02:55 UTC (rev 20710)
@@ -651,7 +651,11 @@
        struct replUpToDateVectorBlob nuv;
        struct ldb_val nuv_value;
        struct ldb_message_element *nuv_el = NULL;
-       struct GUID *our_invocation_id;
+       const struct GUID *our_invocation_id;
+       struct ldb_message_element *orf_el = NULL;
+       struct repsFromToBlob nrf;
+       struct ldb_val *nrf_value = NULL;
+       struct ldb_message_element *nrf_el = NULL;
        uint32_t i,j,ni=0;
        uint64_t seq_num;
        bool found = false;
@@ -836,6 +840,93 @@
        }
        nuv_el->flags = LDB_FLAG_MOD_REPLACE;
 
+       /*
+        * now create the new repsFrom value from the given repsFromTo1 
structure
+        */
+       ZERO_STRUCT(nrf);
+       nrf.version                                     = 1;
+       nrf.ctr.ctr1                                    = *ar->objs->source_dsa;
+       /* and fix some values... */
+       nrf.ctr.ctr1.consecutive_sync_failures          = 0;
+       nrf.ctr.ctr1.last_success                       = now;
+       nrf.ctr.ctr1.last_attempt                       = now;
+       nrf.ctr.ctr1.result_last_attempt                = WERR_OK;
+       nrf.ctr.ctr1.highwatermark.highest_usn          = 
nrf.ctr.ctr1.highwatermark.tmp_highest_usn;
+
+       /*
+        * first see if we already have a repsFrom value for the current source 
dsa
+        * if so we'll later replace this value
+        */
+       orf_el = ldb_msg_find_element(ar->sub.search_msg, "repsFrom");
+       if (orf_el) {
+               for (i=0; i < orf_el->num_values; i++) {
+                       struct repsFromToBlob *trf;
+
+                       trf = talloc(ar->sub.mem_ctx, struct repsFromToBlob);
+                       if (!trf) return replmd_replicated_request_werror(ar, 
WERR_NOMEM);
+
+                       nt_status = ndr_pull_struct_blob(&orf_el->values[i], 
trf, trf,
+                                                        
(ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
+                       if (!NT_STATUS_IS_OK(nt_status)) {
+                               return replmd_replicated_request_werror(ar, 
ntstatus_to_werror(nt_status));
+                       }
+
+                       if (trf->version != 1) {
+                               return replmd_replicated_request_werror(ar, 
WERR_DS_DRA_INTERNAL_ERROR);
+                       }
+
+                       /*
+                        * we compare the source dsa objectGUID not the 
invocation_id
+                        * because we want only one repsFrom value per source 
dsa
+                        * and when the invocation_id of the source dsa has 
changed we don't need 
+                        * the old repsFrom with the old invocation_id
+                        */
+                       if (!GUID_equal(&trf->ctr.ctr1.source_dsa_obj_guid,
+                                       
&ar->objs->source_dsa->source_dsa_obj_guid)) {
+                               talloc_free(trf);
+                               continue;
+                       }
+
+                       talloc_free(trf);
+                       nrf_value = &orf_el->values[i];
+                       break;
+               }
+
+               /*
+                * copy over all old values to the new ldb_message
+                */
+               ret = ldb_msg_add_empty(msg, "repsFrom", 0, &nrf_el);
+               if (ret != LDB_SUCCESS) return 
replmd_replicated_request_error(ar, ret);
+               *nrf_el = *orf_el;
+       }
+
+       /*
+        * if we haven't found an old repsFrom value for the current source dsa
+        * we'll add a new value
+        */
+       if (!nrf_value) {
+               struct ldb_val zero_value;
+               ZERO_STRUCT(zero_value);
+               ret = ldb_msg_add_value(msg, "repsFrom", &zero_value, &nrf_el);
+               if (ret != LDB_SUCCESS) return 
replmd_replicated_request_error(ar, ret);
+
+               nrf_value = &nrf_el->values[nrf_el->num_values - 1];
+       }
+
+       /* we now fill the value which is already attached to ldb_message */
+       nt_status = ndr_push_struct_blob(nrf_value, msg, &nrf,
+                                        
(ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
+       if (!NT_STATUS_IS_OK(nt_status)) {
+               return replmd_replicated_request_werror(ar, 
ntstatus_to_werror(nt_status));
+       }
+
+       /* 
+        * the ldb_message_element for the attribute, has all the old values 
and the new one
+        * so we'll replace the whole attribute with all values
+        */
+       nrf_el->flags = LDB_FLAG_MOD_REPLACE;
+
+       /* prepare the ldb_modify() request */
        ret = ldb_build_mod_req(&ar->sub.change_req,
                                ar->module->ldb,
                                ar->sub.mem_ctx,
@@ -906,6 +997,7 @@
        int ret;
        static const char *attrs[] = {
                "replUpToDateVector",
+               "repsFrom",
                NULL
        };
 

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