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authorDave Craft <wimberosa@gmail.com>2011-12-04 11:06:47 -0600
committerAndrew Tridgell <tridge@samba.org>2011-12-08 11:48:17 +1100
commit0a4746a20085a21bd8f28faf13bc5168f3ad5afb (patch)
tree4a47e2c4bf5ed54f416a207bd1d9c0ecb4577c4c /source4
parent0a181217bdf7e59a7e1f5506c8e050f67537f7f1 (diff)
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Invocation of samba_kcc from KCC task
Modification to periodic and explicit invocation paths of the KCC topology generation code. Managed via samba_runcmd_send() API. The samba_kcc script is invoked if (kccsrv:samba_kcc = true) appears in smb.conf Signed-off-by: Andrew Tridgell <tridge@samba.org>
Diffstat (limited to 'source4')
-rw-r--r--source4/dsdb/kcc/kcc_periodic.c72
-rw-r--r--source4/dsdb/kcc/kcc_service.c36
-rw-r--r--source4/dsdb/wscript_build2
3 files changed, 89 insertions, 21 deletions
diff --git a/source4/dsdb/kcc/kcc_periodic.c b/source4/dsdb/kcc/kcc_periodic.c
index d9a716f61f..f4374d2722 100644
--- a/source4/dsdb/kcc/kcc_periodic.c
+++ b/source4/dsdb/kcc/kcc_periodic.c
@@ -588,12 +588,17 @@ static void kccsrv_periodic_run(struct kccsrv_service *service)
TALLOC_CTX *mem_ctx;
NTSTATUS status;
- DEBUG(4,("kccsrv_periodic_run(): simple update\n"));
+ DEBUG(4,("kccsrv_periodic_run(): update\n"));
mem_ctx = talloc_new(service);
- status = kccsrv_simple_update(service, mem_ctx);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0,("kccsrv_simple_update failed - %s\n", nt_errstr(status)));
+
+ if (service->samba_kcc_code)
+ status = kccsrv_samba_kcc(service, mem_ctx);
+ else {
+ status = kccsrv_simple_update(service, mem_ctx);
+ if (!NT_STATUS_IS_OK(status))
+ DEBUG(0,("kccsrv_simple_update failed - %s\n",
+ nt_errstr(status)));
}
status = kccsrv_check_deleted(service, mem_ctx);
@@ -602,3 +607,62 @@ static void kccsrv_periodic_run(struct kccsrv_service *service)
}
talloc_free(mem_ctx);
}
+
+/* Called when samba_kcc script has finished
+ */
+static void samba_kcc_done(struct tevent_req *subreq)
+{
+ struct kccsrv_service *service =
+ tevent_req_callback_data(subreq, struct kccsrv_service);
+ int rc;
+ int sys_errno;
+
+ service->periodic.subreq = NULL;
+
+ rc = samba_runcmd_recv(subreq, &sys_errno);
+ TALLOC_FREE(subreq);
+
+ if (rc != 0)
+ service->periodic.status =
+ map_nt_error_from_unix_common(sys_errno);
+ else
+ service->periodic.status = NT_STATUS_OK;
+
+ if (!NT_STATUS_IS_OK(service->periodic.status))
+ DEBUG(0,(__location__ ": Failed samba_kcc - %s\n",
+ nt_errstr(service->periodic.status)));
+ else
+ DEBUG(3,("Completed samba_kcc OK\n"));
+}
+
+/* Invocation of the samba_kcc python script for replication
+ * topology generation.
+ */
+NTSTATUS kccsrv_samba_kcc(struct kccsrv_service *service,
+ TALLOC_CTX *ctxp)
+{
+ NTSTATUS status = NT_STATUS_OK;
+ const char * const *samba_kcc_command =
+ lpcfg_samba_kcc_command(service->task->lp_ctx);
+
+ /* kill any existing child */
+ TALLOC_FREE(service->periodic.subreq);
+
+ DEBUG(0,("Calling samba_kcc script\n"));
+ service->periodic.subreq = samba_runcmd_send(service,
+ service->task->event_ctx,
+ timeval_current_ofs(40, 0),
+ 2, 0, samba_kcc_command, NULL);
+
+ if (service->periodic.subreq == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto xerror;
+ }
+ tevent_req_set_callback(service->periodic.subreq,
+ samba_kcc_done, service);
+
+xerror:
+ if (!NT_STATUS_IS_OK(status))
+ DEBUG(0,(__location__ ": failed - %s\n", nt_errstr(status)));
+ return status;
+}
diff --git a/source4/dsdb/kcc/kcc_service.c b/source4/dsdb/kcc/kcc_service.c
index 5f7b537d14..ac19522698 100644
--- a/source4/dsdb/kcc/kcc_service.c
+++ b/source4/dsdb/kcc/kcc_service.c
@@ -144,16 +144,18 @@ static WERROR kccsrv_load_partitions(struct kccsrv_service *s)
static NTSTATUS kccsrv_execute_kcc(struct irpc_message *msg, struct drsuapi_DsExecuteKCC *r)
{
TALLOC_CTX *mem_ctx;
- NTSTATUS status;
+ NTSTATUS status = NT_STATUS_OK;
struct kccsrv_service *service = talloc_get_type(msg->private_data, struct kccsrv_service);
mem_ctx = talloc_new(service);
- status = kccsrv_simple_update(service, mem_ctx);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0,("kccsrv_simple_update failed - %s\n", nt_errstr(status)));
- talloc_free(mem_ctx);
- return status;
+ if (service->samba_kcc_code)
+ status = kccsrv_samba_kcc(service, mem_ctx);
+ else {
+ status = kccsrv_simple_update(service, mem_ctx);
+ if (!NT_STATUS_IS_OK(status))
+ DEBUG(0,("kccsrv_execute_kcc failed - %s\n",
+ nt_errstr(status)));
}
talloc_free(mem_ctx);
@@ -222,10 +224,18 @@ static void kccsrv_task_init(struct task_server *task)
return;
}
- periodic_startup_interval = lpcfg_parm_int(task->lp_ctx, NULL, "kccsrv",
- "periodic_startup_interval", 15); /* in seconds */
- service->periodic.interval = lpcfg_parm_int(task->lp_ctx, NULL, "kccsrv",
- "periodic_interval", 300); /* in seconds */
+ periodic_startup_interval =
+ lpcfg_parm_int(task->lp_ctx, NULL, "kccsrv",
+ "periodic_startup_interval", 15); /* in seconds */
+ service->periodic.interval =
+ lpcfg_parm_int(task->lp_ctx, NULL, "kccsrv",
+ "periodic_interval", 300); /* in seconds */
+
+ /* (kccsrv:samba_kcc=true) will run newer samba_kcc replication
+ * topology generation code.
+ */
+ service->samba_kcc_code = lpcfg_parm_bool(task->lp_ctx, NULL,
+ "kccsrv", "samba_kcc", false);
status = kccsrv_periodic_schedule(service, periodic_startup_interval);
if (!W_ERROR_IS_OK(status)) {
@@ -235,12 +245,6 @@ static void kccsrv_task_init(struct task_server *task)
return;
}
- /* (kccsrv:intrasite=true) will run newer intrasite replication
- * topology code.
- */
- service->intrasite_code = lpcfg_parm_bool(task->lp_ctx, NULL, "kccsrv",
- "intrasite", false);
-
irpc_add_name(task->msg_ctx, "kccsrv");
IRPC_REGISTER(task->msg_ctx, drsuapi, DRSUAPI_DSEXECUTEKCC, kccsrv_execute_kcc, service);
diff --git a/source4/dsdb/wscript_build b/source4/dsdb/wscript_build
index 7645ae7700..0eb4eebe1f 100644
--- a/source4/dsdb/wscript_build
+++ b/source4/dsdb/wscript_build
@@ -43,7 +43,7 @@ bld.SAMBA_MODULE('service_kcc',
autoproto='kcc/kcc_service_proto.h',
subsystem='service',
init_function='server_service_kcc_init',
- deps='samdb process_model RPC_NDR_IRPC RPC_NDR_DRSUAPI',
+ deps='samdb process_model RPC_NDR_IRPC RPC_NDR_DRSUAPI UTIL_RUNCMD',
internal_module=False,
)