module Jekyll::Utils::Internet
Public Instance Methods
connected?()
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Public: Determine whether the present device has a connection to the Internet
. This allows plugin writers which require the outside world to have a neat fallback mechanism for offline building.
Example:
if Internet.connected? Typhoeus.get("https://pages.github.com/versions.json") else Jekyll.logger.warn "Warning:", "Version check has been disabled." Jekyll.logger.warn "", "Connect to the Internet to enable it." nil end
Returns true if a DNS call can successfully be made, or false if not.
# File lib/jekyll/utils/internet.rb, line 23 def connected? !dns("example.com").nil? end
dns(domain)
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# File lib/jekyll/utils/internet.rb, line 27 def dns(domain) require "resolv" Resolv::DNS.open do |resolver| resolver.getaddress(domain) end rescue Resolv::ResolvError, Resolv::ResolvTimeout nil end