diff options
Diffstat (limited to 'source4')
| -rw-r--r-- | source4/wrepl_server/config.mk | 6 | ||||
| -rw-r--r-- | source4/wrepl_server/wrepl_in_call.c | 4 | ||||
| -rw-r--r-- | source4/wrepl_server/wrepl_out_connection.c | 174 | ||||
| -rw-r--r-- | source4/wrepl_server/wrepl_out_pull.c | 153 | ||||
| -rw-r--r-- | source4/wrepl_server/wrepl_periodic.c | 12 | ||||
| -rw-r--r-- | source4/wrepl_server/wrepl_server.h | 3 |
6 files changed, 164 insertions, 188 deletions
diff --git a/source4/wrepl_server/config.mk b/source4/wrepl_server/config.mk index 53172864d5..dc9508dc5a 100644 --- a/source4/wrepl_server/config.mk +++ b/source4/wrepl_server/config.mk @@ -7,11 +7,11 @@ INIT_OBJ_FILES = \ wrepl_server.o \ wrepl_in_connection.o \ wrepl_in_call.o \ - wrepl_out_connection.o \ - wrepl_out_helpers.o \ wrepl_apply_records.o \ wrepl_periodic.o \ - wrepl_out_push.o + wrepl_out_pull.o \ + wrepl_out_push.o \ + wrepl_out_helpers.o REQUIRED_SUBSYSTEMS = \ LIBCLI_WREPL WINSDB # End SUBSYSTEM WREPL_SRV diff --git a/source4/wrepl_server/wrepl_in_call.c b/source4/wrepl_server/wrepl_in_call.c index d186152848..23701541a8 100644 --- a/source4/wrepl_server/wrepl_in_call.c +++ b/source4/wrepl_server/wrepl_in_call.c @@ -373,14 +373,12 @@ static NTSTATUS wreplsrv_in_update2(struct wreplsrv_in_call *call) static NTSTATUS wreplsrv_in_inform(struct wreplsrv_in_call *call) { struct wrepl_table *inform_in = &call->req_packet.message.replication.info.table; - NTSTATUS status; DEBUG(2,("WREPL_REPL_INFORM: partner[%s] initiator[%s] num_owners[%u]\n", call->wreplconn->partner->address, inform_in->initiator, inform_in->partner_count)); - status = wreplsrv_sched_inform_action(call->wreplconn->partner, inform_in); - NT_STATUS_NOT_OK_RETURN(status); + wreplsrv_out_partner_pull(call->wreplconn->partner, inform_in); /* we don't reply to WREPL_REPL_INFORM messages */ return ERROR_INVALID_PARAMETER; diff --git a/source4/wrepl_server/wrepl_out_connection.c b/source4/wrepl_server/wrepl_out_connection.c deleted file mode 100644 index 31a72307d7..0000000000 --- a/source4/wrepl_server/wrepl_out_connection.c +++ /dev/null @@ -1,174 +0,0 @@ -/* - 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_pull_handler_te(struct event_context *ev, struct timed_event *te, - struct timeval t, void *ptr); - -static void wreplsrv_pull_handler_creq(struct composite_context *creq) -{ - struct wreplsrv_partner *partner = talloc_get_type(creq->async.private_data, struct wreplsrv_partner); - uint32_t interval; - - partner->pull.last_status = wreplsrv_pull_cycle_recv(partner->pull.creq); - partner->pull.creq = NULL; - talloc_free(partner->pull.cycle_io); - partner->pull.cycle_io = NULL; - - if (!NT_STATUS_IS_OK(partner->pull.last_status)) { - interval = partner->pull.error_count * partner->pull.retry_interval; - interval = MIN(interval, partner->pull.interval); - partner->pull.error_count++; - - DEBUG(1,("wreplsrv_pull_cycle(%s): %s: next: %us\n", - partner->address, nt_errstr(partner->pull.last_status), - interval)); - } else { - interval = partner->pull.interval; - partner->pull.error_count = 0; - - DEBUG(2,("wreplsrv_pull_cycle(%s): %s: next: %us\n", - partner->address, nt_errstr(partner->pull.last_status), - interval)); - } - - partner->pull.te = event_add_timed(partner->service->task->event_ctx, partner, - timeval_current_ofs(interval, 0), - wreplsrv_pull_handler_te, partner); - if (!partner->pull.te) { - DEBUG(0,("wreplsrv_pull_handler_creq: event_add_timed() failed! no memory!\n")); - } -} - -static void wreplsrv_pull_handler_te(struct event_context *ev, struct timed_event *te, - struct timeval t, void *ptr) -{ - struct wreplsrv_partner *partner = talloc_get_type(ptr, struct wreplsrv_partner); - - partner->pull.te = NULL; - - partner->pull.cycle_io = talloc(partner, struct wreplsrv_pull_cycle_io); - if (!partner->pull.cycle_io) { - goto requeue; - } - - partner->pull.cycle_io->in.partner = partner; - partner->pull.cycle_io->in.num_owners = 0; - partner->pull.cycle_io->in.owners = NULL; - partner->pull.cycle_io->in.wreplconn = NULL; - partner->pull.creq = wreplsrv_pull_cycle_send(partner->pull.cycle_io, partner->pull.cycle_io); - if (!partner->pull.creq) { - DEBUG(1,("wreplsrv_pull_cycle_send(%s) failed\n", - partner->address)); - goto requeue; - } - - partner->pull.creq->async.fn = wreplsrv_pull_handler_creq; - partner->pull.creq->async.private_data = partner; - - return; -requeue: - talloc_free(partner->pull.cycle_io); - partner->pull.cycle_io = NULL; - /* retry later */ - partner->pull.te = event_add_timed(partner->service->task->event_ctx, partner, - timeval_add(&t, partner->pull.retry_interval, 0), - wreplsrv_pull_handler_te, partner); - if (!partner->pull.te) { - DEBUG(0,("wreplsrv_pull_handler_te: event_add_timed() failed! no memory!\n")); - } -} - -NTSTATUS wreplsrv_sched_inform_action(struct wreplsrv_partner *partner, struct wrepl_table *inform_in) -{ - if (partner->pull.creq) { - /* there's already a pull in progress, so we're done */ - return NT_STATUS_OK; - } - - /* remove the scheduled pull */ - talloc_free(partner->pull.te); - partner->pull.te = NULL; - - partner->pull.cycle_io = talloc(partner, struct wreplsrv_pull_cycle_io); - if (!partner->pull.cycle_io) { - goto requeue; - } - - partner->pull.cycle_io->in.partner = partner; - partner->pull.cycle_io->in.num_owners = inform_in->partner_count; - partner->pull.cycle_io->in.owners = inform_in->partners; - talloc_steal(partner->pull.cycle_io, inform_in->partners); - partner->pull.cycle_io->in.wreplconn = NULL; - partner->pull.creq = wreplsrv_pull_cycle_send(partner->pull.cycle_io, partner->pull.cycle_io); - if (!partner->pull.creq) { - DEBUG(1,("wreplsrv_pull_cycle_send(%s) failed\n", - partner->address)); - goto requeue; - } - - partner->pull.creq->async.fn = wreplsrv_pull_handler_creq; - partner->pull.creq->async.private_data = partner; - - return NT_STATUS_OK; -requeue: - talloc_free(partner->pull.cycle_io); - partner->pull.cycle_io = NULL; - /* retry later */ - partner->pull.te = event_add_timed(partner->service->task->event_ctx, partner, - timeval_current_ofs(partner->pull.retry_interval, 0), - wreplsrv_pull_handler_te, partner); - if (!partner->pull.te) { - DEBUG(0,("wreplsrv_pull_handler_te: event_add_timed() failed! no memory!\n")); - } - - return NT_STATUS_OK; -} - -NTSTATUS wreplsrv_setup_out_connections(struct wreplsrv_service *service) -{ - struct wreplsrv_partner *cur; - - for (cur = service->partners; cur; cur = cur->next) { - if ((cur->type & WINSREPL_PARTNER_PULL) && cur->pull.interval) { - cur->pull.te = event_add_timed(service->task->event_ctx, cur, - timeval_zero(), wreplsrv_pull_handler_te, cur); - NT_STATUS_HAVE_NO_MEMORY(cur->pull.te); - } - } - - return NT_STATUS_OK; -} diff --git a/source4/wrepl_server/wrepl_out_pull.c b/source4/wrepl_server/wrepl_out_pull.c new file mode 100644 index 0000000000..dc2605f11b --- /dev/null +++ b/source4/wrepl_server/wrepl_out_pull.c @@ -0,0 +1,153 @@ +/* + 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_pull_reschedule(struct wreplsrv_partner *partner, uint32_t interval) +{ + NTSTATUS status; + + partner->pull.next_run = timeval_current_ofs(interval, 0); + status = wreplsrv_periodic_schedule(partner->service, interval); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0,("wreplsrv_periodic_schedule() failed\n")); + } +} + +static void wreplsrv_pull_handler_creq(struct composite_context *creq) +{ + struct wreplsrv_partner *partner = talloc_get_type(creq->async.private_data, struct wreplsrv_partner); + struct wreplsrv_pull_cycle_io *old_cycle_io; + struct wrepl_table inform_in; + + partner->pull.last_status = wreplsrv_pull_cycle_recv(partner->pull.creq); + partner->pull.creq = NULL; + + old_cycle_io = partner->pull.cycle_io; + partner->pull.cycle_io = NULL; + + if (NT_STATUS_IS_OK(partner->pull.last_status)) { + partner->pull.error_count = 0; + DEBUG(2,("wreplsrv_pull_cycle(%s): %s\n", + partner->address, nt_errstr(partner->pull.last_status))); + goto done; + } + + partner->pull.error_count++; + + if (partner->pull.error_count > 1) { + uint32_t retry_interval; + + retry_interval = partner->pull.error_count * partner->pull.retry_interval; + retry_interval = MIN(retry_interval, partner->pull.interval); + + DEBUG(1,("wreplsrv_pull_cycle(%s): %s: error_count: %u: reschedule(%u)\n", + partner->address, nt_errstr(partner->pull.last_status), + partner->pull.error_count, retry_interval)); + + wreplsrv_out_pull_reschedule(partner, retry_interval); + goto done; + } + + DEBUG(1,("wreplsrv_pull_cycle(%s): %s: error_count:%u retry\n", + partner->address, nt_errstr(partner->pull.last_status), + partner->pull.error_count)); + inform_in.partner_count = old_cycle_io->in.num_owners; + inform_in.partners = old_cycle_io->in.owners; + wreplsrv_out_partner_pull(partner, &inform_in); +done: + talloc_free(old_cycle_io); +} + +void wreplsrv_out_partner_pull(struct wreplsrv_partner *partner, struct wrepl_table *inform_in) +{ + /* there's already a pull in progress, so we're done */ + if (partner->pull.creq) return; + + partner->pull.cycle_io = talloc(partner, struct wreplsrv_pull_cycle_io); + if (!partner->pull.cycle_io) { + goto nomem; + } + + partner->pull.cycle_io->in.partner = partner; + partner->pull.cycle_io->in.wreplconn = NULL; + if (inform_in) { + partner->pull.cycle_io->in.num_owners = inform_in->partner_count; + partner->pull.cycle_io->in.owners = inform_in->partners; + talloc_steal(partner->pull.cycle_io, inform_in->partners); + } else { + partner->pull.cycle_io->in.num_owners = 0; + partner->pull.cycle_io->in.owners = NULL; + } + partner->pull.creq = wreplsrv_pull_cycle_send(partner->pull.cycle_io, partner->pull.cycle_io); + if (!partner->pull.creq) { + DEBUG(1,("wreplsrv_pull_cycle_send(%s) failed\n", + partner->address)); + goto nomem; + } + + partner->pull.creq->async.fn = wreplsrv_pull_handler_creq; + partner->pull.creq->async.private_data = partner; + + return; +nomem: + talloc_free(partner->pull.cycle_io); + partner->pull.cycle_io = NULL; + DEBUG(0,("wreplsrv_out_partner_pull(%s): no memory? (ignoring)\n", + partner->address)); + return; +} + +NTSTATUS wreplsrv_out_pull_run(struct wreplsrv_service *service) +{ + struct wreplsrv_partner *partner; + + for (partner = service->partners; partner; partner = partner->next) { + /* if it's not a pull partner, go to the next partner */ + if (!(partner->type & WINSREPL_PARTNER_PULL)) continue; + + /* if pulling is disabled for the partner, go to the next one */ + if (partner->pull.interval == 0) continue; + + /* if the next timer isn't reached, go to the next partner */ + if (!timeval_expired(&partner->pull.next_run)) continue; + + wreplsrv_out_pull_reschedule(partner, partner->pull.interval); + + wreplsrv_out_partner_pull(partner, NULL); + } + + return NT_STATUS_OK; +} diff --git a/source4/wrepl_server/wrepl_periodic.c b/source4/wrepl_server/wrepl_periodic.c index 28c966879a..2cea3b8e7c 100644 --- a/source4/wrepl_server/wrepl_periodic.c +++ b/source4/wrepl_server/wrepl_periodic.c @@ -39,6 +39,9 @@ static NTSTATUS wreplsrv_periodic_run(struct wreplsrv_service *service) { NTSTATUS status; + status = wreplsrv_out_pull_run(service); + NT_STATUS_NOT_OK_RETURN(status); + status = wreplsrv_out_push_run(service); NT_STATUS_NOT_OK_RETURN(status); @@ -74,7 +77,7 @@ NTSTATUS wreplsrv_periodic_schedule(struct wreplsrv_service *service, uint32_t n /* prevent looping */ if (next_interval == 0) next_interval = 1; - next_time = timeval_current_ofs(next_interval, 0); + next_time = timeval_current_ofs(next_interval, 5000); if (service->periodic.te) { /* @@ -111,13 +114,6 @@ 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); - status = wreplsrv_periodic_schedule(service, 0); NT_STATUS_NOT_OK_RETURN(status); diff --git a/source4/wrepl_server/wrepl_server.h b/source4/wrepl_server/wrepl_server.h index 3c283c1b6f..56751b6f29 100644 --- a/source4/wrepl_server/wrepl_server.h +++ b/source4/wrepl_server/wrepl_server.h @@ -148,6 +148,9 @@ struct wreplsrv_partner { /* the status of the last pull cycle */ NTSTATUS last_status; + /* the timestamp of the next pull try */ + struct timeval next_run; + /* this is a list of each wins_owner the partner knows about */ struct wreplsrv_owner *table; |