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-rw-r--r--source4/wrepl_server/wrepl_out_push.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/source4/wrepl_server/wrepl_out_push.c b/source4/wrepl_server/wrepl_out_push.c
new file mode 100644
index 0000000000..d3e4bdb44b
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+++ b/source4/wrepl_server/wrepl_out_push.c
@@ -0,0 +1,134 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ WINS Replication server
+
+ Copyright (C) Stefan Metzmacher 2005
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "dlinklist.h"
+#include "lib/events/events.h"
+#include "lib/socket/socket.h"
+#include "smbd/service_task.h"
+#include "smbd/service_stream.h"
+#include "lib/messaging/irpc.h"
+#include "librpc/gen_ndr/ndr_winsrepl.h"
+#include "wrepl_server/wrepl_server.h"
+#include "nbt_server/wins/winsdb.h"
+#include "ldb/include/ldb.h"
+#include "libcli/composite/composite.h"
+#include "libcli/wrepl/winsrepl.h"
+#include "wrepl_server/wrepl_out_helpers.h"
+
+static void wreplsrv_out_partner_push(struct wreplsrv_partner *partner, BOOL propagate);
+
+static void wreplsrv_push_handler_creq(struct composite_context *creq)
+{
+ struct wreplsrv_partner *partner = talloc_get_type(creq->async.private_data, struct wreplsrv_partner);
+
+ partner->push.last_status = wreplsrv_push_notify_recv(partner->push.creq);
+ partner->push.creq = NULL;
+ talloc_free(partner->push.notify_io);
+ partner->push.notify_io = NULL;
+
+ partner->push.last_run = timeval_current();
+
+ if (NT_STATUS_IS_OK(partner->push.last_status)) {
+ partner->push.error_count = 0;
+ DEBUG(2,("wreplsrv_push_notify(%s): %s\n",
+ partner->address, nt_errstr(partner->push.last_status)));
+ return;
+ }
+
+ partner->push.error_count++;
+
+ if (partner->push.error_count > 1) {
+ DEBUG(1,("wreplsrv_push_notify(%s): %s: error_count: %u: giving up\n",
+ partner->address, nt_errstr(partner->push.last_status),
+ partner->push.error_count));
+ return;
+ }
+
+ DEBUG(1,("wreplsrv_push_notify(%s): %s: error_count: %u: retry\n",
+ partner->address, nt_errstr(partner->push.last_status),
+ partner->push.error_count));
+ wreplsrv_out_partner_push(partner, partner->push.notify_io->in.propagate);
+}
+
+static void wreplsrv_out_partner_push(struct wreplsrv_partner *partner, BOOL propagate)
+{
+ /* a push for this partner is currently in progress, so we're done */
+ if (partner->push.creq) return;
+
+ /* now prepare the push notify */
+ partner->push.notify_io = talloc(partner, struct wreplsrv_push_notify_io);
+ if (!partner->push.notify_io) {
+ goto nomem;
+ }
+
+ partner->push.notify_io->in.partner = partner;
+ partner->push.notify_io->in.inform = partner->push.use_inform;
+ partner->push.notify_io->in.propagate = propagate;
+ partner->push.creq = wreplsrv_push_notify_send(partner->push.notify_io, partner->push.notify_io);
+ if (!partner->push.creq) {
+ DEBUG(1,("wreplsrv_push_notify_send(%s) failed\n",
+ partner->address));
+ goto nomem;
+ }
+
+ partner->push.creq->async.fn = wreplsrv_push_handler_creq;
+ partner->push.creq->async.private_data = partner;
+
+ return;
+nomem:
+ talloc_free(partner->push.notify_io);
+ partner->push.notify_io = NULL;
+ DEBUG(1,("wreplsrv_push_notify_send(%s) failed nomem? (ignoring)\n",
+ partner->address));
+ return;
+}
+
+static uint32_t wreplsrv_calc_change_count(struct wreplsrv_partner *partner)
+{
+ /* TODO: add a real implementation here */
+ return (uint32_t)-1;
+}
+
+uint32_t wreplsrv_out_push_run(struct wreplsrv_service *service, uint32_t next_interval)
+{
+ struct wreplsrv_partner *partner;
+ uint32_t change_count;
+
+ for (partner = service->partners; partner; partner = partner->next) {
+ /* if it's not a push partner, go to the next partner */
+ if (!(partner->type & WINSREPL_PARTNER_PUSH)) continue;
+
+ /* if push notifies are disabled for this partner, go to the next partner */
+ if (partner->push.change_count == 0) continue;
+
+ /* get the actual change count for the partner */
+ change_count = wreplsrv_calc_change_count(partner);
+
+ /* if the configured change count isn't reached, go to the next partner */
+ if (change_count < partner->push.change_count) continue;
+
+ wreplsrv_out_partner_push(partner, False);
+ }
+
+ return next_interval;
+}