Class lwh.demon

Object
   |
   +--lwh.demon

class lwh.demon

The lwh demon process: periodically checks the host connection.

• used for mainframe connections and for Unix connections
• Checks: is a response delayed, or missing?
• Checks: is a request missing?
• For this, periodically checks lwh.iframe.timeResponse and lwh.iframe.timeRequest against current time and delay values
• demon interval is delay[0]; should be ..1000 [msec]..; no demon will be started, if delay[0] == 0

• 2007-11-20 / JF lint

- delay
- lwt.msgDemonSlow
- lwt.msgDemonVerySlow
- lwt.msgDemonResponse
- lwt.msgDemonRequest
- lwt.msgDemonEstablished
- lwt.lwStatusConnectSlow
- lwt.lwStatusConnectVerySlow
- lwt.lwStatusConnectOffline

Field Detail

delay

<static> {Array_int} delay

the configurable delay for running the connction demon, all in [msec].
• value 0: the demon interval; if 0: no demon will be started.
• value 1: after response delay, shows "connection slow" message.
• value 2: after response delay, shows "connection very slow" message.
• value 3: after response delay, shows "refresh connection" message, and PEEKs the session.
• value 4: after request timout, shows "restart connection" message, and PEEKs the session.

lwh.demon

lwh.demon()

Makes a new demon process for checking the server connection.

Version:
• 2007-11-20 / JF lint


See:
- delay
- lwt.msgDemonSlow
- lwt.msgDemonVerySlow
- lwt.msgDemonResponse
- lwt.msgDemonRequest
- lwt.msgDemonEstablished
- lwt.lwStatusConnectSlow
- lwt.lwStatusConnectVerySlow
- lwt.lwStatusConnectOffline

start

void start()

Starts the Demon. Called when session is established.

stop

void stop()

Stops the Demon. Called when session is terminated: there are no more PEEKs for this session, but an ALERT may be pending..