source4/wrepl_server/wrepl_periodic.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    WINS Replication server
   5
   6    Copyright (C) Stefan Metzmacher      2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "dlinklist.h"
  25 #include "lib/events/events.h"
  26 #include "lib/socket/socket.h"
  27 #include "smbd/service_task.h"
  28 #include "smbd/service_stream.h"
  29 #include "lib/messaging/irpc.h"
  30 #include "librpc/gen_ndr/ndr_winsrepl.h"
  31 #include "wrepl_server/wrepl_server.h"
  32 #include "nbt_server/wins/winsdb.h"
  33 #include "ldb/include/ldb.h"
  34 #include "libcli/composite/composite.h"
  35 #include "libcli/wrepl/winsrepl.h"
  36 #include "wrepl_server/wrepl_out_helpers.h"
  37
  38 static uint32_t wreplsrv_periodic_run(struct wreplsrv_service *service, uint32_t next_interval)
  39 {
  40         next_interval = wreplsrv_out_push_run(service, next_interval);
  41
  42         DEBUG(2,("wreplsrv_periodic_run: next in %u secs\n", next_interval));
  43         return next_interval;
  44 }
  45
  46 static void wreplsrv_periodic_handler_te(struct event_context *ev, struct timed_event *te,
  47                                          struct timeval t, void *ptr)
  48 {
  49         struct wreplsrv_service *service = talloc_get_type(ptr, struct wreplsrv_service);
  50         uint32_t next_interval;
  51
  52         service->periodic.te = NULL;
  53         service->periodic.current_event = t;
  54
  55         next_interval = wreplsrv_periodic_run(service, service->config.periodic_interval);
  56
  57         service->periodic.next_event = timeval_current_ofs(next_interval, 0);
  58         service->periodic.te = event_add_timed(service->task->event_ctx, service,
  59                                                service->periodic.next_event,
  60                                                wreplsrv_periodic_handler_te, service);
  61         if (!service->periodic.te) {
  62                 task_server_terminate(service->task,"event_add_timed() failed! no memory!\n");
  63                 return;
  64         }
  65 }
  66
  67 NTSTATUS wreplsrv_setup_periodic(struct wreplsrv_service *service)
  68 {
  69         NTSTATUS status;
  70
  71         /*
  72          * TODO: this should go away, and we should do everything
  73          *        within the wreplsrv_periodic_run()
  74          */
  75         status = wreplsrv_setup_out_connections(service);
  76         NT_STATUS_NOT_OK_RETURN(status);
  77
  78         service->periodic.next_event = timeval_current();
  79         service->periodic.te = event_add_timed(service->task->event_ctx, service,
  80                                                service->periodic.next_event,
  81                                                wreplsrv_periodic_handler_te, service);
  82         NT_STATUS_HAVE_NO_MEMORY(service->periodic.te);
  83
  84         return NT_STATUS_OK;
  85 }