-rw-r--r-- | rsync/job.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/rsync/job.h b/rsync/job.h new file mode 100644 index 0000000..33c0cd7 --- a/dev/null +++ b/rsync/job.h | |||
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1 | /*= -*- c-basic-offset: 4; indent-tabs-mode: nil; -*- | ||
2 | * | ||
3 | * librsync -- the library for network deltas | ||
4 | * $Id$ | ||
5 | * | ||
6 | * Copyright (C) 2000, 2001 by Martin Pool <mbp@samba.org> | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or | ||
9 | * modify it under the terms of the GNU Lesser General Public License | ||
10 | * as published by the Free Software Foundation; either version 2.1 of | ||
11 | * the License, or (at your option) any later version. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, but | ||
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | * Lesser General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU Lesser General Public | ||
19 | * License along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
21 | */ | ||
22 | |||
23 | |||
24 | struct rs_job { | ||
25 | int dogtag; | ||
26 | |||
27 | /** Human-readable job operation name. */ | ||
28 | const char *job_name; | ||
29 | |||
30 | rs_buffers_t *stream; | ||
31 | |||
32 | /** Callback for each processing step. */ | ||
33 | rs_result (*statefn)(rs_job_t *); | ||
34 | |||
35 | /** Final result of processing job. Used by rs_job_s_failed(). */ | ||
36 | rs_result final_result; | ||
37 | |||
38 | /* XXX: These next two are redundant with their equivalents in the | ||
39 | * signature field. Perhaps we should get rid of them, but | ||
40 | * they're also used in the mksum operation. */ | ||
41 | int block_len; | ||
42 | int strong_sum_len; | ||
43 | |||
44 | /** Signature that's either being read in, or used for | ||
45 | * generating a delta. */ | ||
46 | rs_signature_t *signature; | ||
47 | |||
48 | /** Command byte currently being processed, if any. */ | ||
49 | unsigned char op; | ||
50 | |||
51 | /** If in the middle of reading a signature (rs_loadsig_s_weak()), | ||
52 | * or generating a delta, this contains the weak signature. */ | ||
53 | rs_weak_sum_t weak_sig; | ||
54 | |||
55 | /** If generating a delta, this is true if we have a valid weak signature and | ||
56 | * can roll it forward. */ | ||
57 | int have_weak_sig; | ||
58 | |||
59 | /** Lengths of expected parameters. */ | ||
60 | rs_long_t param1, param2; | ||
61 | |||
62 | struct rs_prototab_ent const *cmd; | ||
63 | rs_mdfour_t output_md4; | ||
64 | |||
65 | /** Encoding statistics. */ | ||
66 | rs_stats_t stats; | ||
67 | |||
68 | /** Buffer of data left over in the scoop. Allocation is | ||
69 | * scoop_buf..scoop_alloc, and scoop_next[0..scoop_avail] | ||
70 | * contains valid data. */ | ||
71 | char *scoop_buf; | ||
72 | char *scoop_next; | ||
73 | size_t scoop_alloc; | ||
74 | size_t scoop_avail; | ||
75 | |||
76 | /** If USED is >0, then buf contains that much write data to | ||
77 | * be sent out. */ | ||
78 | char write_buf[16]; | ||
79 | int write_len; | ||
80 | |||
81 | /** If \p copy_len is >0, then that much data should be copied | ||
82 | * through from the input. */ | ||
83 | rs_long_t copy_len; | ||
84 | |||
85 | /** Copy from the basis position. */ | ||
86 | rs_long_t basis_pos, basis_len; | ||
87 | |||
88 | /** Callback used to copy data from the basis into the output. */ | ||
89 | rs_copy_cb *copy_cb; | ||
90 | void *copy_arg; | ||
91 | }; | ||
92 | |||
93 | |||
94 | rs_job_t * rs_job_new(const char *, rs_result (*statefn)(rs_job_t *)); | ||
95 | |||
96 | void rs_job_check(rs_job_t *job); | ||
97 | const rs_stats_t *rs_job_statistics(rs_job_t *); | ||
98 | |||
99 | int rs_job_input_is_ending(rs_job_t *job); | ||