Class: SekkaServer::Server

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

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Server

Returns a new instance of Server.



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# File 'lib/sekkaserver.rb', line 49

def initialize
  $LOAD_PATH.push( File.dirname(__FILE__) + "/../lib" )
  @core = Nendo::Core.new()
  @core.loadInitFile
  @core.evalStr( "(use debug.syslog)" )
  @core.evalStr( "(use sekka.henkan)" )
  @core.evalStr( '(define (writeToString sexp) (write-to-string sexp))' )
  @core.evalStr( '(export-to-ruby writeToString)' )
  (@kvs,@cachesv) = @core.openSekkaJisyo( SekkaServer::Config.dictType,
                                          SekkaServer::Config.dictSource,
                                          SekkaServer::Config.cacheSource )

  version = @kvs.get( "SEKKA:VERSION" )
  if not SekkaVersion.dictVersion == version
    STDERR.printf(   "Sekka Error: require dict version [%s] but got [%s].\n", SekkaVersion.dictVersion, version )
    exit( 1 )
  end

  @queue = EM::Queue.new
  @mutex = Mutex.new

  STDERR.puts(   "----- Sekka Server Started -----" )
  STDERR.printf( "  Sekka version  : %s\n", SekkaVersion.version            )
  STDERR.printf( "  Nendo version  : %s\n", Nendo::Core.version             )
  STDERR.printf( "  dict  version  : %s\n", SekkaVersion.dictVersion        )
  STDERR.printf( "  dict-type      : %s\n", SekkaServer::Config.dictType    )
  STDERR.printf( "  dict-db        : %s\n", SekkaServer::Config.dictSource  )
  STDERR.printf( "  memcached      : %s\n", SekkaServer::Config.cacheSource )
  STDERR.printf( "  listenPort     : %s\n", SekkaServer::Config.listenPort  )
  STDERR.printf( "  proxyHost      : %s\n", SekkaServer::Config.proxyHost   )
  STDERR.printf( "  proxyPort      : %s\n", SekkaServer::Config.proxyPort   )
  STDERR.printf( "  maxQueryLength : %s\n", SekkaServer::Config.maxQueryLength )
  STDERR.puts(   "--------------------------------" )

  begin
    @thread = Thread.new do
      Thread.pass
      EventMachine::run {
        d = DateTime.now
        EventMachine::PeriodicTimer.new( 1 ) do
          if not @queue.empty?
            @queue.pop { |word|
              arr = word.split( /[ ]+/ )
              command   = arr[0]
              userid    = arr[1]
              @mutex.synchronize {
                case command
                when 'r' # register
                  dictline =
                    if 4 == arr.size
                      arr[2] + " " + arr[3]
                    else
                      ";; comment"
                    end
                  STDERR.puts "Info: processing  [register(" + dictline + ") on " + userid + "] batch command... "
                  begin
                    registered = @core.registerUserJisyo(userid, @kvs, dictline)
                  rescue RuntimeError
                    STDERR.puts "Info: missing [register(" + dictline + ")] batch command..."
                  end
                  if registered
                    str = d.strftime( "%D %X" )
                    STDERR.puts "ADDED " + str
                    @core.flushCacheServer( @cachesv )
                  else
                    STDERR.puts "ignored"
                  end
                when 'k' # kakutei
                  arr = word.split( /[ ]+/ )
                  _key   = arr[2]
                  _tango = arr[3]
                  STDERR.puts "Info: processing  [kakutei(" + _tango + ")] batch command..."
                  begin
                    @core.sekkaKakutei( userid, @kvs, @cachesv, _key, _tango )
                  rescue RuntimeError
                    STDERR.puts "Info: missing [kakutei(" + _tango + ")] batch command..."
                  end

                  STDERR.printf( "Info: kakutei [%s:%s] \n", _key, _tango )
                when 'f' # flush
                  STDERR.puts "Info: processing [flush] batch command..."
                  begin
                    n = @core.flushUserJisyo( userid, @kvs )
                  rescue RuntimeError
                    STDERR.puts "Info: missing [flush] batch command..."
                  end
                  @core.flushCacheServer( @cachesv )
                  STDERR.printf( "info : flush [%s] user's dict %d entries. \n", userid, n )
                end
              }
            }
          end
        end
      }
    end
    @thread.run
  rescue
    p $!  # => "unhandled exception"
  end
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/sekkaserver.rb', line 150

def call(env)
  req = Rack::Request.new(env)
  body = case req.request_method
         when 'POST'
           userid = URI.decode( req.params['userid'].force_encoding("UTF-8") )
           format = URI.decode( req.params['format'].force_encoding("UTF-8") )
           case req.path
           when "/henkan"
             _yomi    = URI.decode( req.params[  'yomi'].force_encoding("UTF-8") )
             _limit   = URI.decode( req.params[ 'limit'].force_encoding("UTF-8") )
             _method  = URI.decode( req.params['method'].force_encoding("UTF-8") )
             _orRedis = if :redis == SekkaServer::Config.dictType then "or Redis-server" else "" end
             @mutex.synchronize {
                begin
                  if SekkaServer::Config.maxQueryLength < _yomi.size
                    result = sprintf( "sekka-server: query string is too long (over %d character length)", SekkaServer::Config.maxQueryLength )
                  else
                    @core.writeToString( @core.sekkaHenkan( userid, @kvs, @cachesv, _yomi, _limit.to_i, _method ))
                  end
                rescue MemCache::MemCacheError
                  result = "sekka-server: memcached server is down (or may be offline)"
                rescue Timeout
                  result = "sekka-server: Timeout to request memcached server #{_orRedis} (may be offline)"
                rescue SocketError
                  result = "sekka-server: SocketError to request memcached server #{_orRedis} (may be offline)"
                rescue Errno::ECONNREFUSED
                  result = "sekka-server: ConnectionRefused to request memcached server #{_orRedis} (may be offline)"
                end
             }
           when "/kakutei"
             _key    = URI.decode( req.params[   'key'].force_encoding("UTF-8") )
             _tango  = URI.decode( req.params[ 'tango'].force_encoding("UTF-8") )
             @queue.push( 'k ' + userid + " " + _key + " " + _tango )
           when "/register"
             dict    = URI.decode( req.params['dict'].force_encoding( "UTF-8" ) ).split( "\n" )
             dict.each { |x|
                @queue.push( 'r ' + userid + " " + x )
             }
             sprintf( "sekka-server:register request (%s) words added, current-queue-size (%s)", dict.size, @queue.size )
           when "/flush"
             @queue.push( 'f ' + userid )
             sprintf( "sekka-server:flush request successful." )
           when "/googleime"
             _yomi   = URI.decode( req.params[  'yomi'].force_encoding("UTF-8") )
             printf( "info : google-ime request [%s]\n", _yomi )
             result = "sekka-server: google-ime error"
             begin
               result = @core.googleIme( _yomi,
                                         SekkaServer::Config.proxyHost,
                                         SekkaServer::Config.proxyPort )
             rescue Timeout
               result = "sekka-server: Timeout to request google-ime (may be offline)"
             rescue SocketError
               result = "sekka-server: SocketError to request google-ime (may be offline)"
             rescue Errno::ECONNREFUSED
               result = "sekka-server: ConnectionRefused to request google-ime (or may be offline)"
             end
             @core.writeToString( result )
           else
             sprintf( "sekka-server:unknown path name. [%s]", req.path )
           end
         else
           "no message."
         end
  res = Rack::Response.new { |r|
    r.status = 200
    r['Content-Type'] = "text/plain"
    r.write body
  }
  res.finish
end