Class: Fog::Proxmox::MultipartBody

Inherits:
Object
  • Object
show all
Defined in:
lib/fog/proxmox/compute/models/multipart_body.rb

Overview

An IO-like multipart body that streams a file between a prefix and suffix.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(prefix, file, suffix) ⇒ MultipartBody

Returns a new instance of MultipartBody.



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# File 'lib/fog/proxmox/compute/models/multipart_body.rb', line 24

def initialize(prefix, file, suffix)
  @prefix = prefix
  @file = file
  @suffix = suffix
  @size = prefix.bytesize + file_size + suffix.bytesize
  rewind
end

Instance Attribute Details

#size ⇒ Object (readonly)

Returns the value of attribute size.



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# File 'lib/fog/proxmox/compute/models/multipart_body.rb', line 22

def size
  @size
end

Instance Method Details

#binmode ⇒ Object 



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# File 'lib/fog/proxmox/compute/models/multipart_body.rb', line 54

def binmode
  @file.binmode if @file.respond_to?(:binmode)
  self
end

#read(length = nil, outbuf = nil) ⇒ Object

Raises:



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# File 'lib/fog/proxmox/compute/models/multipart_body.rb', line 32

def read(length = nil, outbuf = nil)
  length = @size - @position if length.nil?
  raise ArgumentError, 'negative length' if length.negative?

  result = ::String.new(encoding: Encoding::BINARY)
  read_into(result, length)
  result = nil if result.empty? && length.positive? && @part > 2

  return result unless outbuf

  outbuf.replace(result || '')
  result && outbuf
end

#rewind ⇒ Object 



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# File 'lib/fog/proxmox/compute/models/multipart_body.rb', line 46

def rewind
  @file.rewind
  @part = 0
  @offset = 0
  @position = 0
  0
end