metasploit-framework/lib/net/dns/resolver/timeouts.rb

74 lines
1.3 KiB
Ruby

require 'timeout'
module SecondsHandle #:nodoc: all
def transform(secs)
case secs
when 0
to_s
when 1..59
"#{secs} seconds"
when 60..3559
"#{secs/60} minutes and #{secs%60} seconds"
else
hours = secs/3600
secs -= (hours*3600)
"#{hours} hours, #{secs/60} minutes and #{secs%60} seconds"
end
end
end
class DnsTimeout # :nodoc: all
include SecondsHandle
def initialize(seconds)
if seconds.is_a? Numeric and seconds >= 0
@timeout = seconds
else
raise DnsTimeoutArgumentError, "Invalid value for tcp timeout"
end
end
def to_s
if @timeout == 0
@output
else
@timeout.to_s
end
end
def pretty_to_s
transform(@timeout)
end
def timeout
unless block_given?
raise DnsTimeoutArgumentError, "Block required but missing"
end
if @timeout == 0
yield
else
return Timeout.timeout(@timeout) do
yield
end
end
end
end
class TcpTimeout < DnsTimeout # :nodoc: all
def initialize(seconds)
@output = "infinite"
super(seconds)
end
end
class UdpTimeout < DnsTimeout # :nodoc: all
def initialize(seconds)
@output = "not defined"
super(seconds)
end
end
class DnsTimeoutArgumentError < ArgumentError # :nodoc: all
end