2 Unix SMB/CIFS implementation.
4 helper functions for task based servers (nbtd, winbind etc)
6 Copyright (C) Andrew Tridgell 2005
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 2 of the License, or
11 (at your option) any later version.
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.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "process_model.h"
25 #include "lib/events/events.h"
26 #include "smbd/service_task.h"
27 #include "lib/messaging/irpc.h"
30 terminate a task service
32 void task_terminate(struct task_server *task, const char *reason)
34 struct event_context *event_ctx = task->event_ctx;
35 const struct model_ops *model_ops = task->model_ops;
36 DEBUG(0,("task_terminate: [%s]\n", reason));
38 model_ops->terminate(event_ctx, reason);
41 /* used for the callback from the process model code */
43 void (*task_init)(struct task_server *);
44 const struct model_ops *model_ops;
49 called by the process model code when the new task starts up. This then calls
50 the server specific startup code
52 static void task_server_callback(struct event_context *event_ctx, uint32_t server_id, void *private)
54 struct task_state *state = talloc_get_type(private, struct task_state);
55 struct task_server *task;
57 task = talloc(event_ctx, struct task_server);
58 if (task == NULL) return;
60 task->event_ctx = event_ctx;
61 task->model_ops = state->model_ops;
62 task->server_id = server_id;
64 task->msg_ctx = messaging_init(task, task->server_id, task->event_ctx);
66 task_terminate(task, "messaging_init() failed");
70 state->task_init(task);
74 startup a task based server
76 NTSTATUS task_server_startup(struct event_context *event_ctx,
77 const struct model_ops *model_ops,
78 void (*task_init)(struct task_server *))
80 struct task_state *state;
82 state = talloc(event_ctx, struct task_state);
83 NT_STATUS_HAVE_NO_MEMORY(state);
85 state->task_init = task_init;
86 state->model_ops = model_ops;
88 model_ops->new_task(event_ctx, task_server_callback, state);