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/*
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 "lib/events/events.h"
#include "smbd/service_task.h"
/*
terminate a task service
*/
void task_terminate(struct task_server *task, const char *reason)
{
struct event_context *event_ctx = task->event_ctx;
const struct model_ops *model_ops = task->model_ops;
DEBUG(0,("task_terminate: [%s]\n", reason));
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;
}
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