Class: Qcmd::Network

Inherits:
Object
  • Object
show all
Defined in:
lib/qcmd/network.rb

Overview

Browse the LAN and find open and running QLab instances.

Constant Summary collapse

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 Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.browse_thread ⇒ Object

Returns the value of attribute browse_thread.



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# File 'lib/qcmd/network.rb', line 10

def browse_thread
  @browse_thread
end

.machines ⇒ Object

Returns the value of attribute machines.



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# File 'lib/qcmd/network.rb', line 10

def machines
  @machines
end

Class Method Details

.browse ⇒ Object

browse can be used alone to populate the machines list



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# File 'lib/qcmd/network.rb', line 17

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

.browse_and_display(options = {}) ⇒ Object 



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# File 'lib/qcmd/network.rb', line 51

def browse_and_display options={}
  browse
  if !options[:machine_given] || (options[:machine_given] && !find(options[:machine_name]).nil?)
    display options
  end
end

.display(options = {}) ⇒ Object 



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# File 'lib/qcmd/network.rb', line 31

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

.find(machine_name) ⇒ Object 



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# File 'lib/qcmd/network.rb', line 58

def find machine_name
  machines.find {|m| m.name.to_s == machine_name.to_s}
end

.find_by_index(idx) ⇒ Object 



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# File 'lib/qcmd/network.rb', line 62

def find_by_index idx
  machines[idx] if idx < machines.size
end

.init ⇒ Object 



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# File 'lib/qcmd/network.rb', line 12

def init
  self.machines ||= []
end

.names ⇒ Object 



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# File 'lib/qcmd/network.rb', line 66

def names
  machines.map(&:name)
end