summaryrefslogtreecommitdiff
path: root/source4/smbd/service_task.c
diff options
context:
space:
mode:
Diffstat (limited to 'source4/smbd/service_task.c')
-rw-r--r--source4/smbd/service_task.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/source4/smbd/service_task.c b/source4/smbd/service_task.c
new file mode 100644
index 0000000000..ea09edf3f4
--- /dev/null
+++ b/source4/smbd/service_task.c
@@ -0,0 +1,90 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ helper functions for task based servers (nbtd, winbind etc)
+
+ Copyright (C) Andrew Tridgell 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 "process_model.h"
+#include "events.h"
+#include "smbd/service_task.h"
+
+/*
+ terminate a task service
+*/
+void task_terminate(struct task_server *task, const char *reason)
+{
+ struct event_ctx *event_ctx = task->event_ctx;
+ const struct model_ops *model_ops = task->model_ops;
+ talloc_free(task);
+ model_ops->terminate(event_ctx, reason);
+}
+
+/* used for the callback from the process model code */
+struct task_state {
+ void (*task_init)(struct task_server *);
+ const struct model_ops *model_ops;
+};
+
+
+/*
+ called by the process model code when the new task starts up. This then calls
+ the server specific startup code
+*/
+static void task_server_callback(struct event_context *event_ctx, uint32_t server_id, void *private)
+{
+ struct task_state *state = talloc_get_type(private, struct task_state);
+ struct task_server *task;
+
+ task = talloc(event_ctx, struct task_server);
+ if (task == NULL) return;
+
+ task->event_ctx = event_ctx;
+ task->model_ops = state->model_ops;
+ task->server_id = server_id;
+
+ task->msg_ctx = messaging_init(task, task->server_id, task->event_ctx);
+ if (!task->msg_ctx) {
+ task_terminate(task, "messaging_init() failed");
+ return;
+ }
+
+ state->task_init(task);
+}
+
+/*
+ startup a task based server
+*/
+NTSTATUS task_server_startup(struct event_context *event_ctx,
+ const struct model_ops *model_ops,
+ void (*task_init)(struct task_server *))
+{
+ struct task_state *state;
+
+ state = talloc(event_ctx, struct task_state);
+ NT_STATUS_HAVE_NO_MEMORY(state);
+
+ state->task_init = task_init;
+ state->model_ops = model_ops;
+
+ model_ops->new_task(event_ctx, task_server_callback, state);
+
+ return NT_STATUS_OK;
+}
+