1685d4985d44f119a98dc7c8883b73d4b06d68ae
[kai/samba.git] / source3 / include / async_smb.h
1 /*
2    Unix SMB/CIFS implementation.
3    Infrastructure for async SMB client requests
4    Copyright (C) Volker Lendecke 2008
5
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 3 of the License, or
9    (at your option) any later version.
10
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15
16    You should have received a copy of the GNU General Public License
17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #ifndef __ASYNC_SMB_H__
21 #define __ASYNC_SMB_H__
22
23 struct cli_state;
24
25 /*
26  * Fetch an error out of a NBT packet
27  */
28
29 NTSTATUS cli_pull_error(char *buf);
30
31 /*
32  * Compatibility helper for the sync APIs: Fake NTSTATUS in cli->inbuf
33  */
34
35 void cli_set_error(struct cli_state *cli, NTSTATUS status);
36
37 struct tevent_req *cli_smb_req_create(TALLOC_CTX *mem_ctx,
38                                       struct event_context *ev,
39                                       struct cli_state *cli,
40                                       uint8_t smb_command,
41                                       uint8_t additional_flags,
42                                       uint8_t wct, uint16_t *vwv,
43                                       int iov_count,
44                                       struct iovec *bytes_iov);
45 NTSTATUS cli_smb_req_send(struct tevent_req *req);
46 size_t cli_smb_wct_ofs(struct tevent_req **reqs, int num_reqs);
47 NTSTATUS cli_smb_chain_send(struct tevent_req **reqs, int num_reqs);
48 uint8_t *cli_smb_inbuf(struct tevent_req *req);
49 bool cli_has_async_calls(struct cli_state *cli);
50 void cli_smb_req_unset_pending(struct tevent_req *req);
51 bool cli_smb_req_set_pending(struct tevent_req *req);
52 uint16_t cli_smb_req_mid(struct tevent_req *req);
53 void cli_smb_req_set_mid(struct tevent_req *req, uint16_t mid);
54 uint32_t cli_smb_req_seqnum(struct tevent_req *req);
55 void cli_smb_req_set_seqnum(struct tevent_req *req, uint32_t seqnum);
56 struct tevent_req *cli_smb_send(TALLOC_CTX *mem_ctx, struct event_context *ev,
57                                 struct cli_state *cli,
58                                 uint8_t smb_command, uint8_t additional_flags,
59                                 uint8_t wct, uint16_t *vwv,
60                                 uint32_t num_bytes,
61                                 const uint8_t *bytes);
62 NTSTATUS cli_smb_recv(struct tevent_req *req,
63                       TALLOC_CTX *mem_ctx, uint8_t **pinbuf,
64                       uint8_t min_wct, uint8_t *pwct, uint16_t **pvwv,
65                       uint32_t *pnum_bytes, uint8_t **pbytes);
66
67 struct tevent_req *cli_smb_oplock_break_waiter_send(TALLOC_CTX *mem_ctx,
68                                                     struct event_context *ev,
69                                                     struct cli_state *cli);
70 NTSTATUS cli_smb_oplock_break_waiter_recv(struct tevent_req *req,
71                                           uint16_t *pfnum,
72                                           uint8_t *plevel);
73
74 struct tevent_req *cli_session_request_send(TALLOC_CTX *mem_ctx,
75                                             struct tevent_context *ev,
76                                             int sock,
77                                             const struct nmb_name *called,
78                                             const struct nmb_name *calling);
79 bool cli_session_request_recv(struct tevent_req *req, int *err, uint8_t *resp);
80
81 #endif