on run {input, parameters}

	say "Demon started."
	set connect_check_success_count to 0
	set state to 0 -- 0:normal, 1:error, 2:error_to_normal
	repeat
		delay 10
		try
			do shell script "ping -c 1 -W 3000 youtube.com"
			if connect_check_success_count = 0 then
				copy connect_check_success_count + 1 to connect_check_success_count
				say "Connected."
			else if connect_check_success_count > 0 and state = 2 then
				copy 0 to state
				say "Reconnected."
			end if

		on error
			set error_count to 1
			repeat
				try

					do shell script "ping -c 1 -W 3000 youtube.com"

					exit repeat

				on error

					copy error_count + 1 to error_count

					if error_count = 3 then
						exit repeat
					end if
					delay 5
				end try
			end repeat

			if error_count = 3 then
				copy 1 to state
				beep

				say "Connection error! Try reconnect..."
				tell application "System Events"
					tell network preferences
						disconnect service "jp"
						connect service "jp"
					end tell
				end tell

				copy 2 to state
			end if

		end try
	end repeat

	return input
end run