tArgs = {...}
local x, y = term.getCursorPos()
function printUsage()
  print("Usage:")
  print("sockconnect <side> <ip> <port>")
end

function threadRead()
  while true do
    local tmp = socket.readLine(tArgs[1])
    term.setCursorPos(x,y)
    if tmp == nil then
      exitmsg = "Remote Host Closed Connection."
      return false
    end
    print(">> "..tmp)
    x, y = term.getCursorPos()
    term.setCursorPos(1,1)
    print ("> "..spaces(getTermSize("x")-2))
  end
end

function spaces(count)
  local ret = ""
  for i = 1, count do
    ret = ret .. " "
  end
  return ret
end

function clear()
  term.clear()
  term.setCursorPos(1,1)
end

function getTermSize(axis)
  x1, y1 = term.getSize()
  if axis == "x" then
    return x1
  else
    return y1
  end
end

function threadWrite()
  while true do
    term.setCursorPos(1,1)
    print (">")
    term.setCursorPos(3,1)
    local tmp2 = read()
    term.setCursorPos(1,1)
    print(spaces(getTermSize("x")))
    if tmp2 == "//exit" then exitmsg = "Connection closed." return false end
    socket.writeLine(tArgs[1], tmp2)
    --local x, y = term.getCursorPos()
    term.setCursorPos(x,y)
    print("<< "..tmp2)
    x, y = term.getCursorPos()
    term.setCursorPos(1,1)
    print ("> "..spaces(getTermSize("x")-2))
  end
end

function connect()
  suc, msg = socket.connect(tArgs[1], tArgs[2], tArgs[3])
  if suc then
    return true
  else
    print ("Error while connecting: "..msg)
    return false
  end
end
exitmsg = ""
clear()
if connect() then
  term.setCursorPos(1,2)
  print ("Connected. Type //exit to close connection.")
  x, y = term.getCursorPos()
  parallel.waitForAny(threadWrite, threadRead)
  socket.disconnect(tArgs[1])
  --clear()
  print (exitmsg)
  exitmsg = nil
end