Class Irc::DBTree
In: lib/rbot/registry/bdb.rb
lib/rbot/registry/tc.rb
Parent: Object
BasicUserMessage JoinMessage NamesMessage WhoisMessage ModeChangeMessage KickMessage MotdMessage QuitMessage BanlistMessage UserMessage NoSuchTargetMessage TopicMessage NickMessage WelcomeMessage UnknownMessage InviteMessage PartMessage NetmaskList UserList ArrayOf ChannelList Netmask User\n[lib/rbot/botuser.rb\nlib/rbot/irc.rb] Channel Singleton RfcCasemap StrictRfcCasemap AsciiCasemap Casemap PrivMessage NoticeMessage TokyoCabinet::BDB CIBDB Btree CIBtree Socket MessageQueue QueueRing Client DBHash\n[lib/rbot/registry/bdb.rb\nlib/rbot/registry/tc.rb] DBTree\n[lib/rbot/registry/bdb.rb\nlib/rbot/registry/tc.rb] Server NetmaskDb Bot\n[lib/rbot/botuser.rb\nlib/rbot/config.rb\nlib/rbot/ircbot.rb\nlib/rbot/language.rb\nlib/rbot/message.rb\nlib/rbot/messagemapper.rb\nlib/rbot/plugins.rb\nlib/rbot/rbotconfig.rb\nlib/rbot/registry/bdb.rb\nlib/rbot/registry/tc.rb] lib/rbot/ircsocket.rb lib/rbot/rfc2812.rb lib/rbot/registry/tc.rb lib/rbot/irc.rb lib/rbot/maskdb.rb lib/rbot/message.rb lib/rbot/messagemapper.rb lib/rbot/botuser.rb lib/rbot/registry/tc.rb (null) BotConfig PKGConfig ServerOrCasemap Irc dot/m_35_0.png

DBTree is a BTree equivalent of DBHash, with case insensitive lookups.

Methods

Public Class methods

[Source]

     # File lib/rbot/registry/tc.rb, line 170
170:     def DBTree.cleanup_env()
171:       # no-op
172:     end

[Source]

     # File lib/rbot/registry/bdb.rb, line 179
179:     def DBTree.cleanup_env()
180:       begin
181:         debug "DBTree: checking transactions ..."
182:         has_active_txn = @@env.txn_stat["st_nactive"] > 0
183:         if has_active_txn
184:           warning "DBTree: not all transactions completed!"
185:         end
186:         DBTree.cleanup_logs
187:         debug "DBTree: closing environment #{@@env}"
188:         path = @@env.home
189:         @@env.close
190:         @@env = nil
191:         if has_active_txn
192:           debug "DBTree: keeping file because of incomplete transactions"
193:         else
194:           debug "DBTree: cleaning up environment in #{path}"
195:           BDB::Env.remove("#{path}")
196:         end
197:       rescue Exception => e
198:         error "failed to clean up environment: #{e.pretty_inspect}"
199:       end
200:     end

[Source]

     # File lib/rbot/registry/tc.rb, line 162
162:     def DBTree.cleanup_logs()
163:       # no-op
164:     end

[Source]

     # File lib/rbot/registry/bdb.rb, line 144
144:     def DBTree.cleanup_logs()
145:       begin
146:         debug "DBTree: checkpointing ..."
147:         @@env.checkpoint
148:       rescue Exception => e
149:         debug "Failed: #{e.pretty_inspect}"
150:       end
151:       begin
152:         debug "DBTree: flushing log ..."
153:         @@env.log_flush
154:         logs = @@env.log_archive(BDB::ARCH_ABS)
155:         debug "DBTree: deleting archivable logs: #{logs.join(', ')}."
156:         logs.each { |log|
157:           File.delete(log)
158:         }
159:       rescue Exception => e
160:         debug "Failed: #{e.pretty_inspect}"
161:       end
162:     end

[Source]

     # File lib/rbot/registry/bdb.rb, line 134
134:     def DBTree.create_db(name)
135:       debug "DBTree: creating empty db #{name}"
136:       return @@env.open_db(BDB::CIBtree, name, nil, BDB::CREATE | BDB::EXCL, 0600)
137:     end

[Source]

     # File lib/rbot/registry/tc.rb, line 146
146:     def DBTree.create_db(name)
147:       debug "DBTree: creating empty db #{name}"
148:       db = TokyoCabinet::CIBDB.new
149:       res = db.open(name, TokyoCabinet::CIBDB::OREADER | TokyoCabinet::CIBDB::OCREAT | TokyoCabinet::CIBDB::OWRITER)
150:        warning "DBTree: creating empty db #{name}: #{db.errmsg(db.ecode) unless res}"
151:       return db
152:     end
absfilename:use key as an actual filename, don‘t prepend the bot‘s config path and don‘t append ".db"

[Source]

     # File lib/rbot/registry/tc.rb, line 107
107:     def initialize(bot, key, absfilename=false)
108:       @bot = bot
109:       @key = key
110: 
111:       relfilename = @bot.path key
112:       relfilename << '.tdb'
113: 
114:       if absfilename && File.exist?(key)
115:         # db already exists, use it
116:         @db = DBTree.open_db(key)
117:       elsif absfilename
118:         # create empty db
119:         @db = DBTree.create_db(key)
120:       elsif File.exist? relfilename
121:         # db already exists, use it
122:         @db = DBTree.open_db relfilename
123:       else
124:         # create empty db
125:         @db = DBTree.create_db relfilename
126:       end
127:       oldbasename = (absfilename ? key : relfilename).gsub(/\.tdb$/, ".db")
128:       if File.exists? oldbasename and defined? BDB
129:         # upgrading
130:         warning "Upgrading old database #{oldbasename}..."
131:         oldb = ::BDB::Btree.open(oldbasename, nil, "r", 0600)
132:         oldb.each_key do |k|
133:           @db.outlist k
134:           @db.putlist k, (oldb.duplicates(k, false))
135:         end
136:         oldb.close
137:         File.rename oldbasename, oldbasename+".bak"
138:       end
139:       @db
140:     end
absfilename:use key as an actual filename, don‘t prepend the bot‘s config path and don‘t append ".db"

[Source]

     # File lib/rbot/registry/bdb.rb, line 98
 98:     def initialize(bot, key, absfilename=false)
 99:       @bot = bot
100:       @key = key
101:       if @@env.nil?
102:         begin
103:           @@env = BDB::Env.open(@bot.botclass, BDB::INIT_TRANSACTION | BDB::CREATE | BDB::RECOVER, "set_lg_max" => @@lg_max)
104:           debug "DBTree: environment opened with max log size #{@@env.conf['lg_max']}"
105:         rescue => e
106:           debug "DBTree: failed to open environment: #{e.pretty_inspect}. Retrying ..."
107:           @@env = BDB::Env.open(@bot.botclass, BDB::INIT_TRANSACTION | BDB::CREATE |  BDB::RECOVER)
108:         end
109:         #@@env = BDB::Env.open(@bot.botclass, BDB::CREATE | BDB::INIT_MPOOL | BDB::RECOVER)
110:       end
111: 
112:       relfilename = @bot.path key
113:       relfilename << '.db'
114: 
115:       if absfilename && File.exist?(key)
116:         # db already exists, use it
117:         @db = DBTree.open_db(key)
118:       elsif absfilename
119:         # create empty db
120:         @db = DBTree.create_db(key)
121:       elsif File.exist? relfilename
122:         # db already exists, use it
123:         @db = DBTree.open_db relfilename
124:       else
125:         # create empty db
126:         @db = DBTree.create_db relfilename
127:       end
128:     end

[Source]

     # File lib/rbot/registry/tc.rb, line 154
154:     def DBTree.open_db(name)
155:       debug "DBTree: opening existing db #{name}"
156:       db = TokyoCabinet::CIBDB.new
157:       res = db.open(name, TokyoCabinet::CIBDB::OREADER | TokyoCabinet::CIBDB::OWRITER)
158:        warning "DBTree:opening db #{name}: #{db.errmsg(db.ecode) unless res}"
159:       return db
160:     end

[Source]

     # File lib/rbot/registry/bdb.rb, line 139
139:     def DBTree.open_db(name)
140:       debug "DBTree: opening existing db #{name}"
141:       return @@env.open_db(BDB::CIBtree, name, nil, "r+", 0600)
142:     end

[Source]

     # File lib/rbot/registry/tc.rb, line 166
166:     def DBTree.stats()
167:       # no-op
168:     end

[Source]

     # File lib/rbot/registry/bdb.rb, line 164
164:     def DBTree.stats()
165:       begin
166:         debug "General stats:"
167:         debug @@env.stat
168:         debug "Lock stats:"
169:         debug @@env.lock_stat
170:         debug "Log stats:"
171:         debug @@env.log_stat
172:         debug "Txn stats:"
173:         debug @@env.txn_stat
174:       rescue
175:         debug "Couldn't dump stats"
176:       end
177:     end

Public Instance methods

[Source]

     # File lib/rbot/registry/bdb.rb, line 130
130:     def method_missing(method, *args, &block)
131:       return @db.send(method, *args, &block)
132:     end

[Source]

     # File lib/rbot/registry/tc.rb, line 142
142:     def method_missing(method, *args, &block)
143:       return @db.send(method, *args, &block)
144:     end

[Validate]