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gluon-ssid-changer

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  • Name Last commit Last update
    gluon-ssid-changer
    LICENSE
    README.md

    ssid-changer.sh

    This script changes the SSID when there is no connection to the selected Gateway.

    Once a minute it checks if there's still a gateway reachable with

    site.conf

    Adapt and add this block to your site.conf:

    ssid_changer = {
      switch_timeframe = 30,  -- only once every timeframe (in minutes) the SSID will change to OFFLINE 
                              -- set to 1440 to change once a day
                              -- set to 1 minute to change every time the router gets offline
      first = 5,              -- the first few minutes directly after reboot within which an Offline-SSID always may be activated (must be <= switch_timeframe)
      prefix = 'FF_OFFLINE_', -- use something short to leave space for the nodename (no '~' allowed!)
      suffix = 'nodename',    -- generate the SSID with either 'nodename', 'mac' or to use only the prefix: 'none'
      
      tq_limit_enabled = 0,   -- if false, the offline SSID will only be set if there is no gateway reacheable
                              -- upper and lower limit to turn the offline_ssid on and off
                              -- in-between these two values the SSID will never be changed to prevent it from toggeling every minute.
      tq_limit_max = '45',    -- upper limit, above that the online SSID will be used
      tq_limit_min = '35'     -- lower limit, below that the offline SSID will be used
    },

    if tq_limit is disabled, then it will be only checked, if the gateway is reachable with

    batctl gwl -H

    Depending on the connectivity, it will be decided if a change of the SSID is necessary: There is a variable switch_timeframe (for ex. 1440 = 24h) that defines a time interval after which a successful check that detects an offline state will result in a single change of the SSID to "FF_OFFLINE_$node_hostname". Only the first few (also definable in a variable first) minutes the OFFLINE_SSID may also be set. All other minutes a checks will just be reported in the log and whenever an online state is detected the SSID will be set back immediately back to normal.

    Commandline options

    You can configure the ssid-changer on the commandline with uci, for example disable it with:

    uci set ssid-changer.settings.enabled='0'

    Gluon versions

    This branch of the script contains the ssid-changer version for the gluon master branch (lede).

    Implement this package in your firmware

    Create a file "modules" with the following content in your site directory:

    GLUON_SITE_FEEDS="ssidchanger"
    PACKAGES_SSIDCHANGER_REPO=https://github.com/freifunk-nord/gluon-ssid-changer.git
    PACKAGES_SSIDCHANGER_COMMIT=614d2f5ac45a424057d7171f80716acf6cad63e1 # <-- set the newest commit ID here
    PACKAGES_SSIDCHANGER_BRANCH=master

    With this done you can add the package gluon-ssid-changer to your site.mk

    This is a fork of https://github.com/ffac/gluon-ssid-changer that doesn't check the tx value any more. It is now in use in Freifunk Nord