| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 |
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| 4 | Samba internal rpc code - header
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| 5 |
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| 6 | Copyright (C) Andrew Tridgell 2005
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| 7 |
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| 8 | This program is free software; you can redistribute it and/or modify
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| 9 | it under the terms of the GNU General Public License as published by
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| 10 | the Free Software Foundation; either version 3 of the License, or
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| 11 | (at your option) any later version.
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| 12 |
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| 13 | This program is distributed in the hope that it will be useful,
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | GNU General Public License for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU General Public License
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| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 20 | */
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| 21 |
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| 22 | #ifndef IRPC_H
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| 23 | #define IRPC_H
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| 24 |
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| 25 | #include "lib/messaging/messaging.h"
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| 26 | #include "librpc/gen_ndr/irpc.h"
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| 27 | #include "librpc/gen_ndr/server_id.h"
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| 28 |
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| 29 | /*
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| 30 | an incoming irpc message
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| 31 | */
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| 32 | struct irpc_message {
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| 33 | struct server_id from;
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| 34 | void *private_data;
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| 35 | struct irpc_header header;
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| 36 | struct ndr_pull *ndr;
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| 37 | bool defer_reply;
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| 38 | struct messaging_context *msg_ctx;
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| 39 | struct irpc_list *irpc;
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| 40 | void *data;
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| 41 | struct tevent_context *ev;
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| 42 | };
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| 43 |
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| 44 | /* don't allow calls to take too long */
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| 45 | #define IRPC_CALL_TIMEOUT 10
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| 46 |
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| 47 |
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| 48 | /* the server function type */
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| 49 | typedef NTSTATUS (*irpc_function_t)(struct irpc_message *, void *r);
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| 50 |
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| 51 | /* register a server function with the irpc messaging system */
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| 52 | #define IRPC_REGISTER(msg_ctx, pipename, funcname, function, private_data) \
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| 53 | irpc_register(msg_ctx, &ndr_table_ ## pipename, \
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| 54 | NDR_ ## funcname, \
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| 55 | (irpc_function_t)function, private_data)
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| 56 |
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| 57 | /* make a irpc call */
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| 58 | #define IRPC_CALL(msg_ctx, server_id, pipename, funcname, ptr, ctx) \
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| 59 | irpc_call(msg_ctx, server_id, &ndr_table_ ## pipename, NDR_ ## funcname, ptr, ctx)
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| 60 |
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| 61 | #define IRPC_CALL_SEND(msg_ctx, server_id, pipename, funcname, ptr, ctx) \
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| 62 | irpc_call_send(msg_ctx, server_id, &ndr_table_ ## pipename, NDR_ ## funcname, ptr, ctx)
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| 63 |
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| 64 |
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| 65 | /*
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| 66 | a pending irpc call
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| 67 | */
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| 68 | struct irpc_request {
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| 69 | struct messaging_context *msg_ctx;
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| 70 | const struct ndr_interface_table *table;
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| 71 | int callnum;
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| 72 | int callid;
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| 73 | void *r;
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| 74 | NTSTATUS status;
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| 75 | bool done;
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| 76 | bool reject_free;
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| 77 | TALLOC_CTX *mem_ctx;
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| 78 | struct {
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| 79 | void (*fn)(struct irpc_request *);
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| 80 | void *private_data;
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| 81 | } async;
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| 82 | };
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| 83 |
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| 84 | struct loadparm_context;
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| 85 |
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| 86 | typedef void (*msg_callback_t)(struct messaging_context *msg, void *private_data,
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| 87 | uint32_t msg_type,
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| 88 | struct server_id server_id, DATA_BLOB *data);
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| 89 |
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| 90 | NTSTATUS messaging_send(struct messaging_context *msg, struct server_id server,
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| 91 | uint32_t msg_type, DATA_BLOB *data);
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| 92 | NTSTATUS messaging_register(struct messaging_context *msg, void *private_data,
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| 93 | uint32_t msg_type,
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| 94 | msg_callback_t fn);
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| 95 | NTSTATUS messaging_register_tmp(struct messaging_context *msg, void *private_data,
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| 96 | msg_callback_t fn, uint32_t *msg_type);
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| 97 | struct messaging_context *messaging_init(TALLOC_CTX *mem_ctx,
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| 98 | const char *dir,
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| 99 | struct server_id server_id,
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| 100 | struct smb_iconv_convenience *iconv_convenience,
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| 101 | struct tevent_context *ev);
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| 102 | struct messaging_context *messaging_client_init(TALLOC_CTX *mem_ctx,
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| 103 | const char *dir,
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| 104 | struct smb_iconv_convenience *iconv_convenience,
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| 105 | struct tevent_context *ev);
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| 106 | NTSTATUS messaging_send_ptr(struct messaging_context *msg, struct server_id server,
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| 107 | uint32_t msg_type, void *ptr);
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| 108 | void messaging_deregister(struct messaging_context *msg, uint32_t msg_type, void *private_data);
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| 109 |
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| 110 |
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| 111 |
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| 112 |
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| 113 | NTSTATUS irpc_register(struct messaging_context *msg_ctx,
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| 114 | const struct ndr_interface_table *table,
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| 115 | int call, irpc_function_t fn, void *private_data);
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| 116 | struct irpc_request *irpc_call_send(struct messaging_context *msg_ctx,
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| 117 | struct server_id server_id,
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| 118 | const struct ndr_interface_table *table,
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| 119 | int callnum, void *r, TALLOC_CTX *ctx);
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| 120 | NTSTATUS irpc_call_recv(struct irpc_request *irpc);
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| 121 | NTSTATUS irpc_call(struct messaging_context *msg_ctx,
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| 122 | struct server_id server_id,
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| 123 | const struct ndr_interface_table *table,
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| 124 | int callnum, void *r, TALLOC_CTX *ctx);
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| 125 |
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| 126 | NTSTATUS irpc_add_name(struct messaging_context *msg_ctx, const char *name);
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| 127 | struct server_id *irpc_servers_byname(struct messaging_context *msg_ctx, TALLOC_CTX *mem_ctx, const char *name);
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| 128 | void irpc_remove_name(struct messaging_context *msg_ctx, const char *name);
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| 129 | NTSTATUS irpc_send_reply(struct irpc_message *m, NTSTATUS status);
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| 130 | struct server_id messaging_get_server_id(struct messaging_context *msg_ctx);
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| 131 |
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| 132 | #endif
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| 133 |
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