109 lines
2.1 KiB
Ruby
Executable File
109 lines
2.1 KiB
Ruby
Executable File
#!/usr/bin/ruby
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require 'logger'
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require 'rubygems'
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require 'sbdb'
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require 'uuidtools'
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require 'socket'
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require 'select'
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require 'robustserver'
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require 'active_support'
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class Rotate::BDB
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def initialize db, &e
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@rdb, @env, @dbs = db, db.home, {}
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self.hash = e || lambda {|k|
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[k.timestamp.to_i/1.hour].pack 'N'
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}
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end
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def hash= e
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self.hash &e
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end
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def hash &e
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@hash_func = e if e
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@hash_func
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end
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def hashing k
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@hash_func.call k
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end
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def db_name id
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h = hashing id
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n = @rdb[ h]
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if n
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n = UUIDTools::UUID.parse_raw n
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else
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n = UUIDTools::UUID.timestamp_create
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@rdb[ h] = n.raw
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logger.info :create => n.to_s
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end
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n
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end
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def db n
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@env[ n.to_s, :type => SBDB::Btree, :flags => SBDB::CREATE | SBDB::AUTO_COMMIT]
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end
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def queue n
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@env[ "newids.queue", :type => SBDB::Queue, :flags => SBDB::CREATE | SBDB::AUTO_COMMIT, :re_len => 16]
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end
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def sync
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@dbs.each {|n, db| db.sync }
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@rdb.sync
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end
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def close
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@dbs.each {|n, db| db.close 0 }
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@rdb.close 0
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end
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def put v
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id = UUIDTools::UUID.timestamp_create
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s = [0x10, v].pack 'Na*'
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n = db_name id
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db( n)[ id.raw] = s
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queue( n).push id.raw
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end
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alias emit put
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end
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class Main < RobustServer
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def initialize conf
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super
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@logger = $logger
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@conf = conf
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logger.info :open => S2L
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@serv = S2L.new :sock => TCPServer.new( *@conf[:server])
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logger.info :create => {:home => @conf[:home]}
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Dir.mkdir @conf[:home] rescue Errno::EEXIST
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@sigs[:INT] = @sigs[:TERM] = method(:shutdown)
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@sigs[:USR1] = method(:state)
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end
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def state s = nil
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logger.debug :server => @serv
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end
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def shutdown s = nil
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logger.info :shutdown => [s, Signal[s]]
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@serv.close
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exit 0
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end
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def run
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logger.info :open => SBDB::Env
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SBDB::Env.new( @conf[:home],
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log_config: SBDB::Env::LOG_IN_MEMORY | SBDB::Env::LOG_AUTO_REMOVE,
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flags: SBDB::CREATE | SBDB::Env::INIT_TXN | Bdb::DB_INIT_MPOOL) do |dbenv|
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logger.info :open => Rotate
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@serv.dbs = Rotate.new dbenv[ 'rotates.db', :type => SBDB::Btree, :flags => SBDB::CREATE | Bdb::DB_AUTO_COMMIT]
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logger.info :run => @serv
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@serv.run
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end
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end
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end
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