1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
module VCR
# Ruby 1.8 provides Ping.pingecho, but it was removed in 1.9.
# This is copied, verbatim, from Ruby 1.8.7's ping.rb.
require 'timeout'
require "socket"
# @private
module Ping
def pingecho(host, timeout=5, service="echo")
begin
Timeout.timeout(timeout) do
s = TCPSocket.new(host, service)
s.close
end
rescue Errno::ECONNREFUSED
return true
rescue Timeout::Error, StandardError
return false
end
return true
end
module_function :pingecho
end
# @private
module InternetConnection
extend self
EXAMPLE_HOST = "example.com"
def available?
@available = VCR::Ping.pingecho(EXAMPLE_HOST, 1, 80) unless defined?(@available)
@available
end
end
end
|
