Class: Redis::Bin

Inherits:
Object
  • Object
show all
Defined in:
lib/redis/bin.rb

Defined Under Namespace

Classes: RubyRedisServer

Class Method Summary collapse

Class Method Details

.server ⇒ Object 



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# File 'lib/redis/bin.rb', line 45

def self.server

  if ARGV==['-v'] or ARGV==['--version']
    print "Redis server version %s (Ruby)\n" % Redis::VERSION
    exit 0
  end

  if ARGV==['--help'] or ARGV.size > 1
    STDERR.print "Usage: ruby-redis [/path/to/redis.conf]\n"
    STDERR.print "       ruby-redis - (read config from stdin)\n"
    exit 1
  end

  show_no_config_warning = (ARGV.size == 0)

  config = Config.new(ARGV.empty? ? [] : ARGF)

  Dir.chdir config[:dir]
  
  if config[:logfile] == 'stdout'
    logger = Logger.new STDOUT
  else
    logger = Logger.new config[:logfile] 
  end

  if config[:loglevel] == 'debug'
    logger.level = Logger::DEBUG
  elsif config[:loglevel] == 'notice'
    logger.level = Logger::NOTICE
  elsif config[:loglevel] == 'warning'
    logger.level = Logger::WARNING
  elsif config[:loglevel] != 'verbose'
    raise "Invalid log level. Must be one of debug, notice, warning, verbose."
  else
    logger.level = Logger::INFO
  end

  if show_no_config_warning
    logger.warn "Warning: no config file specified, using the default config. In order to specify a config file use 'ruby-redis /path/to/redis.conf'"
  end
  
  if config[:daemonize]
    exit!(0) if fork
    Process::setsid
    exit!(0) if fork
    STDIN.reopen("/dev/null")
    STDOUT.reopen("/dev/null", "w")
    STDERR.reopen("/dev/null", "w")
    begin
      File.open(config[:pidfile], 'w') do |io|
        io.write "%d\n" % Process.pid
      end
    rescue Exception => e
      logger.error e.message
    end
  end
  
  EventMachine.run {

    databases = Array.new(config[:databases]) {Database.new}
    started_message = "Server started, Ruby Redis version %s" % Redis::VERSION
  
    if config[:unixsocket]
      EventMachine::start_server config[:unixsocket], RubyRedisServer, logger, databases, config
      logger.notice started_message
      logger.notice "The server is now ready to accept connections at %s" % config[:unixsocket]
    else
      EventMachine::start_server config[:bind], config[:port], RubyRedisServer, logger, databases, config
      logger.notice started_message
      logger.notice "The server is now ready to accept connections on port %d" % config[:port]
    end
    
    # The test suite blocks until it gets the pid from the log.
    logger.flush

  }
  
end