Class: AMQ::Protocol::Channel::Close

Inherits:
Method
  • Object
show all
Defined in:
lib/amq/protocol/client.rb,
lib/amq/protocol/channel_close.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Method

encode_body, index, inherited, instantiate, method_id, methods, name, split_headers

Constructor Details

#initialize(reply_code, reply_text, class_id, method_id) ⇒ Close

Returns a new instance of Close.



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# File 'lib/amq/protocol/client.rb', line 804

def initialize(reply_code, reply_text, class_id, method_id)
  @reply_code = reply_code
  @reply_text = reply_text
  @class_id = class_id
  @method_id = method_id
end

Instance Attribute Details

#class_id ⇒ Object (readonly)

Returns the value of attribute class_id.



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# File 'lib/amq/protocol/client.rb', line 803

def class_id
  @class_id
end

#method_id ⇒ Object (readonly)

Returns the value of attribute method_id.



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# File 'lib/amq/protocol/client.rb', line 803

def method_id
  @method_id
end

#reply_code ⇒ Object (readonly)

Returns the value of attribute reply_code.



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# File 'lib/amq/protocol/client.rb', line 803

def reply_code
  @reply_code
end

#reply_text ⇒ Object (readonly)

Returns the value of attribute reply_text.



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# File 'lib/amq/protocol/client.rb', line 803

def reply_text
  @reply_text
end

Class Method Details

.decode(data) ⇒ Object

Returns:



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# File 'lib/amq/protocol/client.rb', line 788

def self.decode(data)
  offset = offset = 0 # self-assigning offset to eliminate "assigned but unused variable" warning even if offset is not used in this method
  reply_code = data[offset, 2].unpack(PACK_UINT16).first
  offset += 2
  length = data[offset, 1].unpack(PACK_CHAR).first
  offset += 1
  reply_text = data[offset, length]
  offset += length
  class_id = data[offset, 2].unpack(PACK_UINT16).first
  offset += 2
  method_id = data[offset, 2].unpack(PACK_UINT16).first
  offset += 2
  self.new(reply_code, reply_text, class_id, method_id)
end

.encode(channel, reply_code, reply_text, class_id, method_id) ⇒ Object

u’reply_code = nil’, u’reply_text = EMPTY_STRING’, u’class_id = nil’, u’method_id = nil’

Returns:



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# File 'lib/amq/protocol/client.rb', line 817

def self.encode(channel, reply_code, reply_text, class_id, method_id)
  buffer = @packed_indexes.dup
  buffer << [reply_code].pack(PACK_UINT16)
  buffer << reply_text.to_s.bytesize.chr
  buffer << reply_text.to_s
  buffer << [class_id].pack(PACK_UINT16)
  buffer << [method_id].pack(PACK_UINT16)
  MethodFrame.new(buffer, channel)
end

.has_content? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/amq/protocol/client.rb', line 811

def self.has_content?
  false
end

Instance Method Details

#delivery_ack_timeout? ⇒ Boolean

Returns true if the channel was closed due to a consumer delivery acknowledgement timeout.

Returns:

  • (Boolean) —

    true if the channel was closed due to a consumer delivery acknowledgement timeout



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# File 'lib/amq/protocol/channel_close.rb', line 8

def delivery_ack_timeout?
  reply_code == 406 && reply_text.match?(/delivery acknowledgement on channel \d+ timed out/)
end

#message_too_large? ⇒ Boolean

Returns true if the channel was closed because a message exceeded the configured max size.

Returns:

  • (Boolean) —

    true if the channel was closed because a message exceeded the configured max size



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# File 'lib/amq/protocol/channel_close.rb', line 18

def message_too_large?
  reply_code == 406 && reply_text.match?(/larger than configured max size/)
end

#unknown_delivery_tag? ⇒ Boolean

Returns true if the channel was closed due to an unknown delivery tag (e.g. double ack).

Returns:

  • (Boolean) —

    true if the channel was closed due to an unknown delivery tag (e.g. double ack)



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# File 'lib/amq/protocol/channel_close.rb', line 13

def unknown_delivery_tag?
  reply_code == 406 && reply_text.match?(/unknown delivery tag/)
end