Class: Locomotive::Wagon::TcpPort

Inherits:
Object
  • Object
show all
Defined in:
lib/locomotive/wagon/tools/tcp_port.rb

Constant Summary collapse

MAX_ATTEMPTS = 
1000

Instance Method Summary collapse

Constructor Details

#initialize(host, from) ⇒ TcpPort

Returns a new instance of TcpPort.



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# File 'lib/locomotive/wagon/tools/tcp_port.rb', line 10

def initialize(host, from)
  @host = host
  @from = from
end

Instance Method Details

#first ⇒ Object 



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# File 'lib/locomotive/wagon/tools/tcp_port.rb', line 15

def first
  current = @from.to_i
  max     = current + MAX_ATTEMPTS
  while open_port(@host, current)
    current += 1
    raise "No available ports from #{@from}" if current >= max
  end
  current.to_s
end