Class: PostgresPR::Authentication

Inherits:
Message
  • Object
show all
Defined in:
lib/postgres-pr/message.rb

Constant Summary collapse

AuthTypeMap = 
Hash.new { UnknownAuthType }

Constants inherited from Message

Message::MsgTypeMap

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Message

#buffer, dump, fields, read, register_message_type

Class Method Details

.create(buffer) ⇒ Object 



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# File 'lib/postgres-pr/message.rb', line 117

def self.create(buffer)
  authtype = buffer.get_int32_network(5)
  klass = AuthTypeMap[authtype]
  obj = klass.allocate
  obj.init_buffer buffer
  obj.parse(obj)
  obj
end

.register_auth_type(type) ⇒ Object

Raises:



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# File 'lib/postgres-pr/message.rb', line 126

def self.register_auth_type(type)
  raise(PGError, "duplicate auth type registration") if AuthTypeMap.has_key?(type)
  AuthTypeMap[type] = self
  self.const_set(:AuthType, type) 
  class_eval "def auth_type() AuthType end"
end

Instance Method Details

#dump ⇒ Object 



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# File 'lib/postgres-pr/message.rb', line 136

def dump
  super(4) do |buffer|
    buffer.write_int32_network(self.auth_type)
  end
end

#message__dump ⇒ Object

the dump method of class Message



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# File 'lib/postgres-pr/message.rb', line 134

alias message__dump dump

#parse(buffer) ⇒ Object 



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# File 'lib/postgres-pr/message.rb', line 142

def parse(buffer)
  super do
    auth_t = buffer.read_int32_network 
    raise ParseError unless auth_t == self.auth_type
    yield if block_given?
  end
end