Class: NFS::SUNRPC::Procedure

Inherits:
Object
  • Object
show all
Defined in:
lib/nfs/sunrpc/procedure.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(number, returntype, argtype, &block) ⇒ Procedure

Returns a new instance of Procedure.



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# File 'lib/nfs/sunrpc/procedure.rb', line 6

def initialize(number, returntype, argtype, &block)
  @number = number
  @returntype, @argtype = returntype, argtype
  @block = block
end

Instance Attribute Details

#number ⇒ Object (readonly)

Returns the value of attribute number.



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# File 'lib/nfs/sunrpc/procedure.rb', line 4

def number
  @number
end

Instance Method Details

#call(arg, cred, verf) ⇒ Object 



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# File 'lib/nfs/sunrpc/procedure.rb', line 28

def call(arg, cred, verf)
  begin
    arg_object = @argtype.decode(arg)
  rescue
    raise GarbageArguments
  end

  # Undefined procedures are also unavailable, even if the XDR says it's
  # there. Define your procedures and this won't happen.
  if @block.nil?
    raise ProcedureUnavailable
  end

  result_object = @block.call(arg_object, cred, verf)
  result = nil

  begin
    result = @returntype.encode(result_object)
  rescue => e
    NFS.logger.error(e.message)
    NFS.logger.error(e.backtrace.join("\n"))
    raise IgnoreRequest
  end

  result
end

#decode(value) ⇒ Object 



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# File 'lib/nfs/sunrpc/procedure.rb', line 24

def decode(value)
  @returntype.decode(value)
end

#dup ⇒ Object 



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# File 'lib/nfs/sunrpc/procedure.rb', line 12

def dup
  Procedure.new(@number, @returntype, @argtype, &@block)
end

#encode(arg) ⇒ Object 



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# File 'lib/nfs/sunrpc/procedure.rb', line 20

def encode(arg)
  @argtype.encode(arg)
end

#on_call(&block) ⇒ Object 



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# File 'lib/nfs/sunrpc/procedure.rb', line 16

def on_call(&block)
  @block = block
end