Class: Dizby::AbstractTunnel

Inherits:
Object
  • Object
show all
Defined in:
lib/dizby/tunnel/abstract.rb

Direct Known Subclasses

BasicSpawnTunnel, BasicTunnel

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(server, strategy, user, host) ⇒ AbstractTunnel

Returns a new instance of AbstractTunnel.



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# File 'lib/dizby/tunnel/abstract.rb', line 12

def initialize(server, strategy, user, host)
  @server = server
  @config = [user, host, @server.config[:ssh_config]]
  @strategy = strategy

  reader, writer = IO.pipe

  @thread =
    Thread.start do
      open_ssh(writer)
      writer.close
    end

  @thread.abort_on_exception = true

  read_ports(reader)
  reader.close
end

Instance Attribute Details

#local_port (readonly)

Returns the value of attribute local_port.



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# File 'lib/dizby/tunnel/abstract.rb', line 57

def local_port
  @local_port
end

#remote_port (readonly)

Returns the value of attribute remote_port.



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# File 'lib/dizby/tunnel/abstract.rb', line 57

def remote_port
  @remote_port
end

Instance Method Details

#close 



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# File 'lib/dizby/tunnel/abstract.rb', line 53

def close
  @thread.join
end

#get_and_write_ports(ssh, output) 



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# File 'lib/dizby/tunnel/abstract.rb', line 49

def get_and_write_ports(ssh, output)
  @strategy.write(ssh, output)
end

#open_ssh(output)

wait(ssh) is not defined in this class



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# File 'lib/dizby/tunnel/abstract.rb', line 32

def open_ssh(output)
  ssh = nil
  begin
    ssh = Net::SSH.start(*@config)

    get_and_write_ports(ssh, output)

    wait(ssh)
  ensure
    ssh.close if ssh
  end
end

#read_ports(input) 



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# File 'lib/dizby/tunnel/abstract.rb', line 45

def read_ports(input)
  @local_port, @remote_port = @strategy.read(input)
end