1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
#ifndef __CONSTANTS_HH__
#define __CONSTANTS_HH__
// copyright (C) 2002, 2003 graydon hoare <graydon@pobox.com>
// all rights reserved.
// licensed to the public under the terms of the GNU GPL (>= 2)
// see the file COPYING for details
#include <unistd.h>
#include "numeric_vocab.hh"
namespace constants
{
// this file contains magic constants which you could, in theory, tweak.
// probably best not to tweak them though.
// number of bits in an RSA key we use
extern size_t const keylen;
// number of characters in a SHA1 id
extern size_t const idlen;
// number of characters in an encoded epoch
extern size_t const epochlen;
// number of characters in a raw epoch
extern size_t const epochlen_bytes;
// number of seconds in window, in which to consider CVS commits equivalent
// if they have otherwise compatible contents (author, changelog)
extern size_t const cvs_window;
// number of bytes in a password buffer. further bytes will be dropped.
extern size_t const maxpasswd;
// number of bytes to use in buffers, for buffered i/o operations
extern size_t const bufsz;
// size of a line of database traffic logging, beyond which lines will be
// truncated.
extern size_t const db_log_line_sz;
// size in bytes of the database xdelta version reconstruction cache
extern size_t const db_version_cache_sz;
// size of a line of text in the log buffer, beyond which log lines will be
// truncated.
extern size_t const log_line_sz;
// all the ASCII characters (bytes) which are legal in a packet
extern char const * const legal_packet_bytes;
// all the ASCII characters (bytes) which are legal in an ACE string
extern char const * const legal_ace_bytes;
// all the ASCII characters (bytes) which are legal in a SHA1 hex id
extern char const * const legal_id_bytes;
// all the ASCII characters (bytes) which can occur in cert names
extern char const * const legal_cert_name_bytes;
// all the ASCII characters (bytes) which can occur in key names
extern char const * const legal_key_name_bytes;
// all the ASCII characters (bytes) which are illegal in a (file|local)_path
extern char const * const illegal_path_bytes;
// how many revisions back to verify the sanity of revisions before allowing
// them into the database
extern int const verify_depth;
// remaining constants are related to netsync protocol
// number of bytes in the hash used in netsync
extern size_t const merkle_hash_length_in_bytes;
// number of bits of merkle prefix consumed by each level of tree
extern size_t const merkle_fanout_bits;
// derived from hash_length_in_bytes
extern size_t const merkle_hash_length_in_bits;
// derived from fanout_bits
extern size_t const merkle_num_tree_levels;
// derived from fanout_bits
extern size_t const merkle_num_slots;
// derived from fanout_bits
extern size_t const merkle_bitmap_length_in_bits;
// derived from fanout_bits
extern size_t const merkle_bitmap_length_in_bytes;
// the current netcmd/netsync protocol version
extern u8 const netcmd_current_protocol_version;
// minimum size of any netcmd on the wire
extern size_t const netcmd_minsz;
// largest command *payload* allowed in a netcmd
extern size_t const netcmd_payload_limit;
// maximum size of any netcmd on the wire, including payload
extern size_t const netcmd_maxsz;
// netsync fragments larger than this are gzipped
extern size_t const netcmd_minimum_bytes_to_bother_with_gzip;
// TCP port to listen on / connect to when doing netsync
extern size_t const netsync_default_port;
// maximum number of simultaneous clients on a server
extern size_t const netsync_connection_limit;
// number of seconds a connection can be idle before it's dropped
extern size_t const netsync_timeout_seconds;
}
#endif // __CONSTANTS_HH__
|
