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
123
124
125
126
127
128
129
130
131
132
133
|
# Copyright (C) 2002 Tom Gilbert.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies of the Software and its documentation and acknowledgment shall be
# given in the documentation and software packages that this Software was
# used.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
begin
require 'bdb'
rescue Exception => e
puts "Got exception: "+e
puts "rbot couldn't load the bdb module, perhaps you need to install it? try: http://www.ruby-lang.org/en/raa-list.rhtml?name=bdb"
exit 2
end
# make BTree lookups case insensitive
module BDB
class CIBtree < Btree
def bdb_bt_compare(a, b)
a.downcase <=> b.downcase
end
end
end
module Irc
# DBHash is for tying a hash to disk (using bdb).
# Call it with an identifier, for example "mydata". It'll look for
# mydata.db, if it exists, it will load and reference that db.
# Otherwise it'll create and empty db called mydata.db
class DBHash
# absfilename:: use +key+ as an actual filename, don't prepend the bot's
# config path and don't append ".db"
def initialize(bot, key, absfilename=false)
@bot = bot
@key = key
if absfilename && File.exist?(key)
# db already exists, use it
@db = DBHash.open_db(key)
elsif File.exist?(@bot.botclass + "/#{key}.db")
# db already exists, use it
@db = DBHash.open_db(@bot.botclass + "/#{key}.db")
elsif absfilename
# create empty db
@db = DBHash.create_db(key)
else
# create empty db
@db = DBHash.create_db(@bot.botclass + "/#{key}.db")
end
end
def method_missing(method, *args, &block)
return @db.send(method, *args, &block)
end
def DBHash.create_db(name)
debug "DBHash: creating empty db #{name}"
return BDB::Hash.open(name, nil,
BDB::CREATE | BDB::EXCL | BDB::TRUNCATE,
0600, "set_pagesize" => 1024,
"set_cachesize" => [(0), (32 * 1024), (0)])
end
def DBHash.open_db(name)
debug "DBHash: opening existing db #{name}"
return BDB::Hash.open(name, nil,
"r+", 0600, "set_pagesize" => 1024,
"set_cachesize" => [(0), (32 * 1024), (0)])
end
end
# DBTree is a BTree equivalent of DBHash, with case insensitive lookups.
class DBTree
# absfilename:: use +key+ as an actual filename, don't prepend the bot's
# config path and don't append ".db"
def initialize(bot, key, absfilename=false)
@bot = bot
@key = key
if absfilename && File.exist?(key)
# db already exists, use it
@db = DBTree.open_db(key)
elsif absfilename
# create empty db
@db = DBTree.create_db(key)
elsif File.exist?(@bot.botclass + "/#{key}.db")
# db already exists, use it
@db = DBTree.open_db(@bot.botclass + "/#{key}.db")
else
# create empty db
@db = DBTree.create_db(@bot.botclass + "/#{key}.db")
end
end
def method_missing(method, *args, &block)
return @db.send(method, *args, &block)
end
def DBTree.create_db(name)
debug "DBTree: creating empty db #{name}"
return BDB::CIBtree.open(name, nil,
BDB::CREATE | BDB::EXCL | BDB::TRUNCATE,
0600, "set_pagesize" => 1024,
"set_cachesize" => [(0), (32 * 1024), (0)])
end
def DBTree.open_db(name)
debug "DBTree: opening existing db #{name}"
return BDB::CIBtree.open(name, nil,
"r+", 0600, "set_pagesize" => 1024,
"set_cachesize" => [0, 32 * 1024, 0])
end
end
end
|
