socket.vim

let g:socket_test_ruby_port = 12345
let g:socket_test_ruby_path = 'ruby'
let g:socket_test_ruby_script_path = './socket.rb'

function! g:socket_test_send(command)
  let sock = vimproc#socket_open('localhost', g:socket_test_ruby_port)
  call sock.write(a:command)
  call sock.close()
endfunction

function! g:socket_test_start()
  if !g:socket_test_is_run()
    let g:socket_test_pid = vimproc#popen2(join([g:socket_test_ruby_path, g:socket_test_ruby_script_path, g:socket_test_ruby_port], ' '))['pid']
  endif
endfunction

function! g:socket_test_stop()
  if g:socket_test_is_run()
    call vimproc#kill(g:socket_test_pid, 3)
  endif
endfunction

function! g:socket_test_is_run()
  if exists('g:socket_test_pid')
    return vimproc#kill(g:socket_test_pid, 0) == 0
  else
    return 0
  endif
endfunction