bb851fa24864c9213c054757890fab37604ac305
[gd/samba-autobuild/.git] / source4 / client / cifsdd.h
1 /*
2    CIFSDD - dd for SMB.
3    Declarations and administrivia.
4
5    Copyright (C) James Peach 2005-2006
6
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 3 of the License, or
10    (at your option) any later version.
11
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    You should have received a copy of the GNU General Public License
18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
19 */
20
21 extern const char * const PROGNAME;
22
23 enum argtype
24 {
25         ARG_NUMERIC,
26         ARG_SIZE,
27         ARG_PATHNAME,
28         ARG_BOOL,
29 };
30
31 struct argdef
32 {
33         const char *    arg_name;
34         enum argtype    arg_type;
35         const char *    arg_help;
36
37         union
38         {
39                 bool            bval;
40                 uint64_t        nval;
41                 const char *    pval;
42         } arg_val;
43 };
44
45 int set_arg_argv(const char * argv);
46 void set_arg_val(const char * name, ...);
47
48 bool check_arg_bool(const char * name);
49 uint64_t check_arg_numeric(const char * name);
50 const char * check_arg_pathname(const char * name);
51
52 typedef bool (*dd_seek_func)(void * handle, uint64_t offset);
53 typedef bool (*dd_read_func)(void * handle, uint8_t * buf,
54                                 uint64_t wanted, uint64_t * actual);
55 typedef bool (*dd_write_func)(void * handle, uint8_t * buf,
56                                 uint64_t wanted, uint64_t * actual);
57
58 struct dd_stats_record
59 {
60         struct
61         {
62                 uint64_t        fblocks;        /* Full blocks. */
63                 uint64_t        pblocks;        /* Partial blocks. */
64                 uint64_t        bytes;          /* Total bytes read. */
65         } in;
66         struct
67         {
68                 uint64_t        fblocks;        /* Full blocks. */
69                 uint64_t        pblocks;        /* Partial blocks. */
70                 uint64_t        bytes;          /* Total bytes written. */
71         } out;
72 };
73
74 extern struct dd_stats_record dd_stats;
75
76 struct dd_iohandle
77 {
78         dd_seek_func    io_seek;
79         dd_read_func    io_read;
80         dd_write_func   io_write;
81         int             io_flags;
82 };
83
84 #define DD_END_OF_FILE          0x10000000
85
86 #define DD_DIRECT_IO            0x00000001
87 #define DD_SYNC_IO              0x00000002
88 #define DD_WRITE                0x00000004
89 #define DD_OPLOCK               0x00000008
90
91 struct smbcli_options;
92 struct smbcli_session_options;
93 struct event_context;
94
95 struct dd_iohandle * dd_open_path(struct resolve_context *resolve_ctx, 
96                                   struct event_context *ev,
97                                   const char * path,
98                                   const char **ports,
99                                 uint64_t io_size, int options, 
100                                 struct smbcli_options *smb_options,
101                                 struct smbcli_session_options *smb_session_options,
102                                 struct smb_iconv_convenience *iconv_convenience);
103 bool dd_fill_block(struct dd_iohandle * h, uint8_t * buf,
104                 uint64_t * buf_size, uint64_t need_size, uint64_t block_size);
105 bool dd_flush_block(struct dd_iohandle * h, uint8_t * buf,
106                 uint64_t * buf_size, uint64_t block_size);
107
108 /* vim: set sw=8 sts=8 ts=8 tw=79 : */