From 39f914d4e70356bdad9fcdbca379565c9a608988 Mon Sep 17 00:00:00 2001 From: Stefan Metzmacher Date: Wed, 14 Dec 2005 10:56:43 +0000 Subject: r12230: prepare for a generic periodic processing scheduling of pull,push,scavenging and reread-config events metze (This used to be commit 977117278c4b9fc1b7845b6aa6d5862e5a776651) --- source4/wrepl_server/config.mk | 3 +- source4/wrepl_server/wrepl_periodic.c | 82 +++++++++++++++++++++++++++++++++++ source4/wrepl_server/wrepl_server.c | 12 +++-- source4/wrepl_server/wrepl_server.h | 18 ++++++++ 4 files changed, 111 insertions(+), 4 deletions(-) create mode 100644 source4/wrepl_server/wrepl_periodic.c (limited to 'source4') diff --git a/source4/wrepl_server/config.mk b/source4/wrepl_server/config.mk index cc4621ba45..6a6ce7185a 100644 --- a/source4/wrepl_server/config.mk +++ b/source4/wrepl_server/config.mk @@ -9,7 +9,8 @@ INIT_OBJ_FILES = \ wrepl_in_call.o \ wrepl_out_connection.o \ wrepl_out_helpers.o \ - wrepl_apply_records.o + wrepl_apply_records.o \ + wrepl_periodic.o REQUIRED_SUBSYSTEMS = \ LIBCLI_WREPL WINSDB # End SUBSYSTEM WREPL_SRV diff --git a/source4/wrepl_server/wrepl_periodic.c b/source4/wrepl_server/wrepl_periodic.c new file mode 100644 index 0000000000..4ba047d3a0 --- /dev/null +++ b/source4/wrepl_server/wrepl_periodic.c @@ -0,0 +1,82 @@ +/* + 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 uint32_t wreplsrv_periodic_run(struct wreplsrv_service *service, uint32_t next_interval) +{ + DEBUG(2,("wreplsrv_periodic_run: next in %u secs\n", next_interval)); + return next_interval; +} + +static void wreplsrv_periodic_handler_te(struct event_context *ev, struct timed_event *te, + struct timeval t, void *ptr) +{ + struct wreplsrv_service *service = talloc_get_type(ptr, struct wreplsrv_service); + uint32_t next_interval; + + service->periodic.te = NULL; + + next_interval = wreplsrv_periodic_run(service, service->config.periodic_interval); + + service->periodic.next_event = timeval_current_ofs(next_interval, 0); + service->periodic.te = event_add_timed(service->task->event_ctx, service, + service->periodic.next_event, + wreplsrv_periodic_handler_te, service); + if (!service->periodic.te) { + task_server_terminate(service->task,"event_add_timed() failed! no memory!\n"); + return; + } +} + +NTSTATUS wreplsrv_setup_periodic(struct wreplsrv_service *service) +{ + NTSTATUS status; + + /* + * TODO: this should go away, and we should do everything + * within the wreplsrv_periodic_run() + */ + status = wreplsrv_setup_out_connections(service); + NT_STATUS_NOT_OK_RETURN(status); + + service->periodic.next_event = timeval_current(); + service->periodic.te = event_add_timed(service->task->event_ctx, service, + service->periodic.next_event, + wreplsrv_periodic_handler_te, service); + NT_STATUS_HAVE_NO_MEMORY(service->periodic.te); + + return NT_STATUS_OK; +} diff --git a/source4/wrepl_server/wrepl_server.c b/source4/wrepl_server/wrepl_server.c index effd547260..5a7ad57f86 100644 --- a/source4/wrepl_server/wrepl_server.c +++ b/source4/wrepl_server/wrepl_server.c @@ -55,6 +55,9 @@ static NTSTATUS wreplsrv_open_winsdb(struct wreplsrv_service *service) /* the default verify interval is 24 days */ service->config.verify_interval = lp_parm_int(-1,"wreplsrv","verify_interval", 24*24*60*60); + /* the maximun interval to the next periodic processing event */ + service->config.periodic_interval = lp_parm_int(-1,"wreplsrv","periodic_interval", 60); + return NT_STATUS_OK; } @@ -333,9 +336,6 @@ static NTSTATUS wreplsrv_setup_partners(struct wreplsrv_service *service) status = wreplsrv_load_table(service); NT_STATUS_NOT_OK_RETURN(status); - status = wreplsrv_setup_out_connections(service); - NT_STATUS_NOT_OK_RETURN(status); - return NT_STATUS_OK; } @@ -383,6 +383,12 @@ static void wreplsrv_task_init(struct task_server *task) return; } + status = wreplsrv_setup_periodic(service); + if (!NT_STATUS_IS_OK(status)) { + task_server_terminate(task, "wreplsrv_task_init: wreplsrv_setup_periodic() failed"); + return; + } + irpc_add_name(task->msg_ctx, "wrepl_server"); } diff --git a/source4/wrepl_server/wrepl_server.h b/source4/wrepl_server/wrepl_server.h index 118686622e..0e0ed35e94 100644 --- a/source4/wrepl_server/wrepl_server.h +++ b/source4/wrepl_server/wrepl_server.h @@ -232,6 +232,12 @@ struct wreplsrv_service { * with the owning wins server */ uint32_t verify_interval; + + /* + * the interval (in secs) to the next periodic processing + * (this is the maximun interval) + */ + uint32_t periodic_interval; } config; /* all incoming connections */ @@ -242,4 +248,16 @@ struct wreplsrv_service { /* this is a list of each wins_owner we know about in our database */ struct wreplsrv_owner *table; + + /* some stuff for periodic processing */ + struct { + /* + * the timestamp for the current or next event, + * this is the timstamp passed to event_add_timed() + */ + struct timeval next_event; + + /* here we have a reference to the timed event the schedules the periodic stuff */ + struct timed_event *te; + } periodic; }; -- cgit