Method: HTTPX::Resolver::Multi#early_resolve

Defined in:
lib/httpx/resolver/multi.rb

#early_resolve(connection) ⇒ Object 



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# File 'lib/httpx/resolver/multi.rb', line 48

def early_resolve(connection)
  hostname = connection.peer.host
  addresses = @resolver_options[:cache] && (connection.addresses || HTTPX::Resolver.nolookup_resolve(hostname))
  return false unless addresses

  ip_families = connection.options.ip_families

  resolved = false
  addresses.group_by(&:family).sort { |(f1, _), (f2, _)| f2 <=> f1 }.each do |family, addrs|
    next unless ip_families.nil? || ip_families.include?(family)

    # try to match the resolver by family. However, there are cases where that's not possible, as when
    # the system does not have IPv6 connectivity, but it does support IPv6 via loopback/link-local.
    resolver = @resolvers.find { |r| r.family == family } || @resolvers.first

    next unless resolver # this should ever happen

    # it does not matter which resolver it is, as early-resolve code is shared.
    resolver.emit_addresses(connection, family, addrs, true)

    resolved = true
  end

  resolved
end