92 lines
2.5 KiB
Ruby
92 lines
2.5 KiB
Ruby
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require 'sbdb'
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require 'safebox'
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require 'robustserver'
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require 'socket'
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require 'logan/inc'
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require 'logan/loglines'
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require 'logan/cache'
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module LogAn::Inc
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class Main < RobustServer
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# Open Config.
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def config env, db, type = nil, flags = nil, &e
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$stderr.puts "Open Database \"sids.cnf\" #{db.inspect} (#{type.inspect})"
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type ||= 1+4
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ret = env[ 'sids.cnf', db, :flags => flags || SBDB::RDONLY]
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ret = LogAn::AutoValueConvertHash.new ret, &e if type&4 > 0 or e
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ret = LogAn::Cache.new ret, type&3 if type&3 > 0
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ret
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end
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# Prepare Server.
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#
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# * conf:
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# logs
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# : Where to store log-databases? default: ./logs
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# etc
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# : Where to find config-databases? default: ./etc
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# server
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# : Server-Configuration. default { port: 1087 }
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def initialize conf
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super
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@conf = {}
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# Copy config - changes possible
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conf.each {|key, val| @conf[key]= val }
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# Default directories
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%w[logs etc].each {|key| @conf[key.to_sym] = key }
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# Open Loglines-databases
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@logs = LogAn::Loglines.new @conf[:logs]
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# Open config-databases
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Dir.mkdir @conf[:etc] rescue Errno::EEXIST
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@etc = SBDB::Env.new( @conf[:etc],
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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)
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# Set inc-config - stored in etc/inc.cnf
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begin
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inc = @conf[:inc] = {}
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%w[hosts files fileparser].each {|key| @conf[:inc][key.to_sym] = config( @etc, key) }
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inc[:fileparser] = config( @etc, 'fileparser') {|val| Safebox.run "[#{val}]"}
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end
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@store = LogAn::Cache.new LogAn::AutoValueConvertHash.new( @etc[ 'sids.store', 'seeks', SBDB::Recno, SBDB::CREATE | SBDB::AUTO_COMMIT]), 3
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# Prepare Inc-server - create server
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LogAn::Inc::FileParser::Base.logdb = @logs
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LogAn::Inc::FileParser::Base.store = @store
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@serv = LogAn::Inc::Server.new :sock => TCPServer.new( *@conf[:server]), :config => @conf[:inc]
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# Shutdown on signals
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@sigs[:INT] = @sigs[:TERM] = method( :shutdown)
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rescue Object
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# It's better to close everything, because BDB doesn't like unexpected exits
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self.at_exit
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raise $!
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end
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# Will be called at exit. Will close all opened BDB::Env
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def at_exit
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$stderr.puts :at_exit
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@logs and @logs.close
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@etc and @etc.close
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end
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# Shutdown Server cleanly. First shutdown TCPServer.
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def shutdown signal = nil
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$stderr.puts [:signal, signal, Signal[signal]].inspect if signal
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@serv.close
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exit 0
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end
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# Runs server. Don't use it! Use #main.
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def run
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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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