Sha256: 7605040eadbc2a2109d68345d5520833d3185e4a58a37560d957d185bd26ee2c
Contents?: true
Size: 1.95 KB
Versions: 11
Compression:
Stored size: 1.95 KB
Contents
require 'dnssd'
module Qcmd
# Browse the LAN and find open and running QLab instances.
class Network
BROWSE_TIMEOUT = 2
IPV4_MATCHER = /\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b/
class << self
attr_accessor :machines, :browse_thread
def init
self.machines ||= []
end
# browse can be used alone to populate the machines list
def browse
self.browse_thread = Thread.start do
DNSSD.browse! '_qlab._tcp.' do |b|
DNSSD.resolve b.name, b.type, b.domain do |r|
self.machines << Qcmd::Machine.new(b.name, r.target, r.port)
end
end
end
sleep BROWSE_TIMEOUT
Thread.kill(browse_thread) if browse_thread.alive?
end
def display options={}
longest = machines.map {|m| m.name.size}.max
Qcmd.print
Qcmd.print "Found #{ machines.size } QLab machine#{ machines.size == 1 ? '' : 's'}"
Qcmd.print
machines.each_with_index do |machine, n|
if Qcmd.debug?
Qcmd.print "#{ n + 1 }. %-#{ longest + 2 }s %s" % [machine.name, machine.client_string]
else
Qcmd.print "#{ n + 1 }. %-#{ longest + 2 }s" % [machine.name]
end
end
Qcmd.print
Qcmd.print 'Type `connect "MACHINE NAME"` or `connect IP_ADDRESS` to connect to a machine'
Qcmd.print
end
def browse_and_display options={}
browse
if !options[:machine_given] || (options[:machine_given] && !find(options[:machine_name]).nil?)
display options
end
end
def find machine_name
machines.find {|m| m.name.to_s == machine_name.to_s}
end
def find_by_index idx
machines[idx] if idx < machines.size
end
def names
machines.map(&:name)
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems