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module Oxidized
require 'timeout'
require 'stringio'
require_relative 'cli'
begin
require 'net/tftp'
rescue LoadError
raise OxidizedError, 'net/tftp not found: sudo gem install net-tftp'
end
class TFTP < Input
include Input::CLI
# TFTP utilizes UDP, there is not a connection. We simply specify an IP and send/receive data.
def connect node
@node = node
@node.model.cfg['tftp'].each { |cb| instance_exec(&cb) }
@log = File.open(Oxidized::Config::Log + "/#{@node.ip}-tftp", 'w') if Oxidized.config.input.debug?
@tftp = Net::TFTP.new @node.ip
end
def cmd file
Oxidized.logger.debug "TFTP: #{file} @ #{@node.name}"
config = StringIO.new
@tftp.getbinary file, config
config.rewind
config.read
end
private
def disconnect
# TFTP uses UDP, there is no connection to close
ensure
@log.close if Oxidized.config.input.debug?
end
end
end
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