Module: DangoFrameworkModule

Includes:
ErrorMessage
Included in:
DangoClientFramework, DangoServerFramework
Defined in:
lib/dango/framework_base.rb,
lib/dango/shared/memory_store.rb

Overview

クライアントとサーバーで共有するモジュール

Defined Under Namespace

Classes: SharedMemoryStore

Constant Summary collapse

CommMaxDigit =

通信の最大桁数

5
MaxLen =

通信の一度の送信バイト数

1024
DefaultDataType =

デフォルトのデータのタイプ

0

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from ErrorMessage

#error_message

Instance Attribute Details

#dango_logger ⇒ Object (readonly)

Returns the value of attribute dango_logger.



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# File 'lib/dango/framework_base.rb', line 137

def dango_logger
  @dango_logger
end

Instance Method Details

#dango_receive_data(sock) ⇒ Object

データ受信処理



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# File 'lib/dango/framework_base.rb', line 140

def dango_receive_data(sock)
  ret_data = ""
  
#    logger.debug "dango_receive_data(#{sock})"
  
  begin
#      size_str = sock.readpartial(CommMaxDigit + 1)
#      size_str = sock.sysread(CommMaxDigit + 1)
    size_str = sock.recv(CommMaxDigit + 1)
  rescue EOFError, IOError, Errno::ECONNRESET, Errno::ETIMEDOUT, Errno::ECONNABORTED
    # 接続終了時の切断と思われるものはDangoFrameworkConnectionErrorにしない
    #raise(DangoFrameworkError, "failed to read sock for EOF reached.\n#{error_message($!, 'u')}")
    raise(DangoFrameworkDisconnectError, "failed to read sock for EOF reached (and so on). sock=#{sock.inspect} #{$!.class} toid=#{Thread.current.object_id}")
  rescue
    raise(DangoFrameworkConnectionError, "failed to read sock. sock=#{sock.inspect} toid=#{Thread.current.object_id}\n#{error_message($!, 'u')}")
  end
  
  if size_str == ""
    raise(DangoFrameworkReadNoDataError, "toid=#{Thread.current.object_id}:size_str=#{size_str.inspect}") 
  end
  
  ## Flash のpolicyファイルだった場合（特殊）
  if size_str == "<polic"
    logger.debug "size_str=#{size_str.inspect}"
    receive_data = sock.recv(18)
    logger.info "flash policy file: dango_receive_data:receive_data=#{receive_data}"
    raise(DangoFrameworkFlashPolicyError) 
  end
  
  ## サイズとデータタイプを取得
  dtype, size = size_str[0, 5].unpack("cN")
  
  ## データがない場合
  if size == nil || size == 0
    raise(DangoFrameworkConnectionError, "toid=#{Thread.current.object_id}:size=#{size}:size_str=#{size_str.inspect}") 
  end
  
  ## データが大きすぎる場合
  if size >= 1886350441
    raise(DangoFrameworkConnectionError, "too big... size=#{size}:size_str=#{size_str.inspect}")
  end
  
#    logger.debug "size=#{size}:size_str=#{size_str.inspect}"
  
  ret_data_orig = ""
  
  while size > 0
    read_len = MaxLen > size ? size : MaxLen
    begin
#        this_ret_data_orig = sock.readpartial(read_len)
#        this_ret_data_orig = sock.sysread(read_len)
      this_ret_data_orig = sock.recv(read_len)
    rescue
      raise(DangoFrameworkConnectionError, "failed to read sock(data).\n#{error_message($!, 'u')}")
    end
    
    ret_data_orig += this_ret_data_orig
#      logger.debug "size:#{size.inspect}:this_ret_data_orig:#{this_ret_data_orig.inspect}"
    
    size -= this_ret_data_orig.size
#      logger.debug "size:#{size.inspect}"
  end
  
#    logger.debug "ret_data_orig:#{ret_data_orig.inspect}"
  
  ret_data = dango_receive_decrypt(ret_data_orig[0..-2])
#    logger.debug "ret_data:#{ret_data.inspect}"
  
  @recv_count += 1 if @recv_count # 受信回数カウント
  
  begin
    if ret_data == "" || ret_data == "{}" # データが空ならparseしない
      data = {}
    elsif dtype == 0
      data = JSON.parse(ret_data)
    elsif dtype == 1
      data = YAML::load(ret_data)
    elsif dtype == 2
      data = Marshal.load(ret_data)
    end
  rescue
    raise(DangoFrameworkConnectionError, "data parse error.#{$!.class}\nret_data=#{ret_data}")
  end
end

#dango_send_data(sock, send_obj, options = {}) ⇒ Object

データ送信処理



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# File 'lib/dango/framework_base.rb', line 226

def dango_send_data(sock, send_obj, options = {})
#    logger.debug "dango_send_data:send_obj=#{send_obj.inspect}"
  
  dtype = options[:type] || DefaultDataType
  
  if send_obj == {}
    send_data_orig = ""
  elsif dtype == 0
    send_data_orig = JSON.generate(send_obj)
  elsif dtype == 1
    send_data_orig = send_obj.to_yaml
  elsif dtype == 2
    send_data_orig = Marshal.dump(send_obj)
  end
  
  send_data = dango_send_encrypt(send_data_orig) + "\n"
#    send_data = dango_send_encrypt(send_data_orig) + "\r\n"
#    send_data = dango_send_encrypt(send_data_orig) + "\015\012"
  
#    logger.debug "start dango_send_data:#{send_data.inspect}"
  
  size = send_data.size
  
#    if size >= 4294967296 # 本当はuint最大値なんだけれど、policyファイルの都合で変えてある
  if size >= 1886350440
    raise(DangoFrameworkError, "max size over. size:#{size} >= 1886350440") 
  end
  
#    size_str = sprintf("%0#{CommMaxDigit}d", size)
  
  size_str = [dtype, size].pack("cN")
#    logger.debug "size=#{size}:size_str=#{size_str.inspect}"
  
  send_buf = size_str + "\n" + send_data
#    logger.debug "send_buf:#{send_buf.inspect}"
  
  begin
    sock.write send_buf
    sock.flush

#      sock.send(send_buf, 0)
#      sock.flush

  rescue
    raise(DangoFrameworkConnectionError, "sock write failed.\n#{error_message($!, 'u')}")
  end
  
  @send_count += 1 if @send_count # 受信回数カウント
#    logger.debug "finish dango_send_data:#{send_data.inspect}"
#    logger.debug "finish dango_send_data:toid=#{Thread.current.object_id} #{sock} #{sock.closed?}"

  sock
end

#debug_print(str) ⇒ Object

デバッグ出力用のメソッド



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# File 'lib/dango/framework_base.rb', line 111

def debug_print(str)
  logger.debug str
  puts str if $VERBOSE
end

#logger ⇒ Object

ロガーの定義



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# File 'lib/dango/framework_base.rb', line 117

def logger
#   if !@dango_logger                                            # これだと警告が出てうざいので
  if !self.instance_variables.find{|iv| iv == '@dango_logger'} # @dango_loggerが未定義なら
    if @log_file != ""
      log_dir = File.dirname(@log_file)
      Dir.mkdir(log_dir) if !File.exist?(log_dir)
      @dango_logger = Logger.new(@log_file, @log_shift_age, @log_max_size)
      @dango_logger.level = @log_level
      def @dango_logger.format_message(severity, timestamp, msg, progname) 
#          "#{Time.now_to_s}:#{sprintf('%1.1s', severity)}:#{progname}:#{msg}\n"
#          "%s, [%s#%d] %5s -- %s: %s\n" % [severity[0..0], format_datetime(time), $$, severity, progname,msg2str(msg)]
        now = Time.now
        now_str = now.strftime("%Y-%m-%d %H:%M:%S.") << "%06d" % now.usec
        "%1.1s, [%s] %d:%s %s\n" % [severity, now_str, Thread.current.object_id, progname, msg]
      end
    end
  end
  @dango_logger
end