/* 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 3 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, see <http://www.gnu.org/licenses/>. */ #include "includes.h" #include "process_model.h" #include "lib/messaging/irpc.h" #include "param/param.h" #include "librpc/gen_ndr/ndr_irpc.h" /* terminate a task service */ void task_server_terminate(struct task_server *task, const char *reason, bool fatal) { struct tevent_context *event_ctx = task->event_ctx; const struct model_ops *model_ops = task->model_ops; DEBUG(0,("task_server_terminate: [%s]\n", reason)); if (fatal) { struct samba_terminate r; struct server_id *sid; sid = irpc_servers_byname(task->msg_ctx, task, "samba"); r.in.reason = reason; IRPC_CALL(task->msg_ctx, sid[0], irpc, SAMBA_TERMINATE, &r, NULL); } model_ops->terminate(event_ctx, task->lp_ctx, reason); /* don't free this above, it might contain the 'reason' being printed */ talloc_free(task); } /* 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 tevent_context *event_ctx, struct loadparm_context *lp_ctx, struct server_id server_id, void *private_data) { struct task_state *state = talloc_get_type(private_data, 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->lp_ctx = lp_ctx; task->msg_ctx = messaging_init(task, lpcfg_messaging_path(task, task->lp_ctx), task->server_id, task->event_ctx); if (!task->msg_ctx) { task_server_terminate(task, "messaging_init() failed", true); return; } state->task_init(task); } /* startup a task based server */ NTSTATUS task_server_startup(struct tevent_context *event_ctx, struct loadparm_context *lp_ctx, const char *service_name, 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, lp_ctx, service_name, task_server_callback, state); return NT_STATUS_OK; } /* setup a task title */ void task_server_set_title(struct task_server *task, const char *title) { task->model_ops->set_title(task->event_ctx, title); }