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samba-mirror/source4/lib/messaging/irpc.h
Andrew Tridgell e9a589feac s4-server: kill main daemon if a task fails to initialise
When one of our core tasks fails to initialise it can now ask for the
server as a whole to die, rather than limping along in a degraded
state.
2009-09-18 18:05:55 -07:00

134 lines
4.4 KiB
C

/*
Unix SMB/CIFS implementation.
Samba internal rpc code - header
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/>.
*/
#ifndef IRPC_H
#define IRPC_H
#include "lib/messaging/messaging.h"
#include "librpc/gen_ndr/irpc.h"
#include "librpc/gen_ndr/server_id.h"
/*
an incoming irpc message
*/
struct irpc_message {
struct server_id from;
void *private_data;
struct irpc_header header;
struct ndr_pull *ndr;
bool defer_reply;
struct messaging_context *msg_ctx;
struct irpc_list *irpc;
void *data;
struct tevent_context *ev;
};
/* don't allow calls to take too long */
#define IRPC_CALL_TIMEOUT 10
/* the server function type */
typedef NTSTATUS (*irpc_function_t)(struct irpc_message *, void *r);
/* register a server function with the irpc messaging system */
#define IRPC_REGISTER(msg_ctx, pipename, funcname, function, private_data) \
irpc_register(msg_ctx, &ndr_table_ ## pipename, \
NDR_ ## funcname, \
(irpc_function_t)function, private_data)
/* make a irpc call */
#define IRPC_CALL(msg_ctx, server_id, pipename, funcname, ptr, ctx) \
irpc_call(msg_ctx, server_id, &ndr_table_ ## pipename, NDR_ ## funcname, ptr, ctx)
#define IRPC_CALL_SEND(msg_ctx, server_id, pipename, funcname, ptr, ctx) \
irpc_call_send(msg_ctx, server_id, &ndr_table_ ## pipename, NDR_ ## funcname, ptr, ctx)
/*
a pending irpc call
*/
struct irpc_request {
struct messaging_context *msg_ctx;
const struct ndr_interface_table *table;
int callnum;
int callid;
void *r;
NTSTATUS status;
bool done;
bool reject_free;
TALLOC_CTX *mem_ctx;
struct {
void (*fn)(struct irpc_request *);
void *private_data;
} async;
};
struct loadparm_context;
typedef void (*msg_callback_t)(struct messaging_context *msg, void *private_data,
uint32_t msg_type,
struct server_id server_id, DATA_BLOB *data);
NTSTATUS messaging_send(struct messaging_context *msg, struct server_id server,
uint32_t msg_type, DATA_BLOB *data);
NTSTATUS messaging_register(struct messaging_context *msg, void *private_data,
uint32_t msg_type,
msg_callback_t fn);
NTSTATUS messaging_register_tmp(struct messaging_context *msg, void *private_data,
msg_callback_t fn, uint32_t *msg_type);
struct messaging_context *messaging_init(TALLOC_CTX *mem_ctx,
const char *dir,
struct server_id server_id,
struct smb_iconv_convenience *iconv_convenience,
struct tevent_context *ev);
struct messaging_context *messaging_client_init(TALLOC_CTX *mem_ctx,
const char *dir,
struct smb_iconv_convenience *iconv_convenience,
struct tevent_context *ev);
NTSTATUS messaging_send_ptr(struct messaging_context *msg, struct server_id server,
uint32_t msg_type, void *ptr);
void messaging_deregister(struct messaging_context *msg, uint32_t msg_type, void *private_data);
NTSTATUS irpc_register(struct messaging_context *msg_ctx,
const struct ndr_interface_table *table,
int call, irpc_function_t fn, void *private_data);
struct irpc_request *irpc_call_send(struct messaging_context *msg_ctx,
struct server_id server_id,
const struct ndr_interface_table *table,
int callnum, void *r, TALLOC_CTX *ctx);
NTSTATUS irpc_call_recv(struct irpc_request *irpc);
NTSTATUS irpc_call(struct messaging_context *msg_ctx,
struct server_id server_id,
const struct ndr_interface_table *table,
int callnum, void *r, TALLOC_CTX *ctx);
NTSTATUS irpc_add_name(struct messaging_context *msg_ctx, const char *name);
struct server_id *irpc_servers_byname(struct messaging_context *msg_ctx, TALLOC_CTX *mem_ctx, const char *name);
void irpc_remove_name(struct messaging_context *msg_ctx, const char *name);
NTSTATUS irpc_send_reply(struct irpc_message *m, NTSTATUS status);
struct server_id messaging_get_server_id(struct messaging_context *msg_ctx);
#endif