Class: VagrantPlugins::AVF::PortAllocator

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant_provider_avf/port_allocator.rb

Constant Summary collapse

DEFAULT_RANGE = 
(2222..2299)

Instance Method Summary collapse

Constructor Details

#initialize(host: "127.0.0.1", port_range: DEFAULT_RANGE, server_class: TCPServer) ⇒ PortAllocator

Returns a new instance of PortAllocator.



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# File 'lib/vagrant_provider_avf/port_allocator.rb', line 8

def initialize(host: "127.0.0.1", port_range: DEFAULT_RANGE, server_class: TCPServer)
  @host = host
  @port_range = port_range
  @server_class = server_class
end

Instance Method Details

#allocate(preferred_port: nil) ⇒ Object

Raises:



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# File 'lib/vagrant_provider_avf/port_allocator.rb', line 14

def allocate(preferred_port: nil)
  return preferred_port if preferred_port && available?(preferred_port)
  raise Errors::SshPortUnavailable, "SSH forwarding port #{preferred_port} is unavailable" if preferred_port

  @port_range.each do |port|
    return port if available?(port)
  end

  raise Errors::SshPortUnavailable, "no available SSH forwarding ports in #{@port_range.begin}-#{@port_range.end}"
end