s4:lib/tevent: rename structs
[gd/samba-autobuild/.git] / 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 3 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, see <http://www.gnu.org/licenses/>.
20 */
21
22 #include "includes.h"
23 #include "lib/events/events.h"
24 #include "smbd/service_task.h"
25 #include "smbd/service.h"
26 #include "librpc/gen_ndr/winsrepl.h"
27 #include "wrepl_server/wrepl_server.h"
28
29 static NTSTATUS wreplsrv_periodic_run(struct wreplsrv_service *service)
30 {
31         NTSTATUS status;
32
33         status = wreplsrv_load_partners(service);
34         NT_STATUS_NOT_OK_RETURN(status);
35
36         status = wreplsrv_scavenging_run(service);
37         NT_STATUS_NOT_OK_RETURN(status);
38
39         status = wreplsrv_out_pull_run(service);
40         NT_STATUS_NOT_OK_RETURN(status);
41
42         status = wreplsrv_out_push_run(service);
43         NT_STATUS_NOT_OK_RETURN(status);
44
45         return NT_STATUS_OK;
46 }
47
48 static void wreplsrv_periodic_handler_te(struct tevent_context *ev, struct tevent_timer *te,
49                                          struct timeval t, void *ptr)
50 {
51         struct wreplsrv_service *service = talloc_get_type(ptr, struct wreplsrv_service);
52         NTSTATUS status;
53
54         service->periodic.te = NULL;
55
56         status = wreplsrv_periodic_schedule(service, service->config.periodic_interval);
57         if (!NT_STATUS_IS_OK(status)) {
58                 task_server_terminate(service->task, nt_errstr(status));
59                 return;
60         }
61
62         status = wreplsrv_periodic_run(service);
63         if (!NT_STATUS_IS_OK(status)) {
64                 DEBUG(0,("wresrv_periodic_run() failed: %s\n", nt_errstr(status)));
65         }
66 }
67
68 NTSTATUS wreplsrv_periodic_schedule(struct wreplsrv_service *service, uint32_t next_interval)
69 {
70         TALLOC_CTX *tmp_mem;
71         struct tevent_timer *new_te;
72         struct timeval next_time;
73
74         /* prevent looping */
75         if (next_interval == 0) next_interval = 1;
76
77         next_time = timeval_current_ofs(next_interval, 5000);
78
79         if (service->periodic.te) {
80                 /*
81                  * if the timestamp of the new event is higher,
82                  * as current next we don't need to reschedule
83                  */
84                 if (timeval_compare(&next_time, &service->periodic.next_event) > 0) {
85                         return NT_STATUS_OK;
86                 }
87         }
88
89         /* reset the next scheduled timestamp */
90         service->periodic.next_event = next_time;
91
92         new_te = event_add_timed(service->task->event_ctx, service,
93                                  service->periodic.next_event,
94                                  wreplsrv_periodic_handler_te, service);
95         NT_STATUS_HAVE_NO_MEMORY(new_te);
96
97         tmp_mem = talloc_new(service);
98         DEBUG(6,("wreplsrv_periodic_schedule(%u) %sscheduled for: %s\n",
99                 next_interval,
100                 (service->periodic.te?"re":""),
101                 nt_time_string(tmp_mem, timeval_to_nttime(&next_time))));
102         talloc_free(tmp_mem);
103
104         talloc_free(service->periodic.te);
105         service->periodic.te = new_te;
106
107         return NT_STATUS_OK;
108 }
109
110 NTSTATUS wreplsrv_setup_periodic(struct wreplsrv_service *service)
111 {
112         NTSTATUS status;
113
114         status = wreplsrv_periodic_schedule(service, 0);
115         NT_STATUS_NOT_OK_RETURN(status);
116
117         return NT_STATUS_OK;
118 }