mirror of
https://dev.iopsys.eu/feed/iopsys.git
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[WIP] wifidmd: Improve the wait wifi relaod API
This commit is contained in:
Amin Ben Romdhane
parent
5fd540d5ba
commit
c8b5878332
1 changed files with 360 additions and 146 deletions
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@ -2,197 +2,411 @@
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# Script: bbf_config_reload.sh
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# Script: bbf_config_reload.sh
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# Description:
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# Description:
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# This script reloads WiFi Configs based on input args.
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# Reloads WiFi configurations based on provided arguments.
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# Input args should be one of the below or both with space separate
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# - "wireless"
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# - "mapcontroller"
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#
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#
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# Usage:
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# Usage:
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# sh bbf_config_reload.sh wireless mapcontroller
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# sh bbf_config_reload.sh [wireless] [mapcontroller]
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#
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# Input arguments:
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# wireless Reload only wireless configuration
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# mapcontroller Reload only mapcontroller configuration
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#
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#
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# Actions:
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# Actions:
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# - If both wireless and mapcontroller → Reload mapcontroller (SIGHUP)
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# - If both "wireless" and "mapcontroller" are specified:
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# - If only wireless → Commit wireless config via ubus
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# → Reload mapcontroller (send SIGHUP)
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# - If only mapcontroller → Reload mapcontroller (SIGHUP)
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# - If only "wireless" is specified:
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# - Otherwise → Do nothing
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# → Commit wireless configuration via ubus
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# - If only "mapcontroller" is specified:
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# → Reload mapcontroller (send SIGHUP)
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# - If no valid arguments are provided:
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# → Do nothing
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log() {
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. /lib/functions.sh
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echo "${@}"|logger -t bbf.config.wifi.reload -p info
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# ------------------------------------------------------
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# Global variables
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# ------------------------------------------------------
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MAPCONTROLLER=0
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WIRELESS=0
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MAX_RETRIES=15
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AP_COUNT=0
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# ------------------------------------------------------
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# Info log
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# ------------------------------------------------------
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info() {
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echo "${@}" | logger -t bbf.config.wifi.reload -p info
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}
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}
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input="$@"
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# ------------------------------------------------------
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# Debug log
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# ------------------------------------------------------
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debug() {
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echo "${@}"
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}
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# Validate input
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# ------------------------------------------------------
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if [ -z "$input" ]; then
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# Parse AP from mapcontroller config
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log "Error: No input provided"
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# ------------------------------------------------------
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exit 1
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parse_mapcontroller_ap() {
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fi
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local section="$1"
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# Normalize inputs (default to 0 if not set)
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config_get type "$section" type
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wireless=0
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[ "$type" = "fronthaul" ] || return 0
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mapcontroller=0
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for arg in ${input}; do
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config_get enabled "$section" enabled
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if [ "${arg}" == "wireless" ]; then
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[ "$enabled" != "0" ] || return 0
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wireless=1
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config_get ssid "$section" ssid
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[ -n "$ssid" ] || return 0
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config_get band "$section" band
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[ -n "$band" ] || return 0
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case "$band" in
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2|5|6) ;;
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*) return 0 ;;
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esac
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config_get encryption "$section" encryption
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config_get key "$section" key
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eval "AP_SSID_${AP_COUNT}='${ssid}'"
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eval "AP_BAND_${AP_COUNT}='${band}'"
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eval "AP_ENCRYPTION_${AP_COUNT}='${encryption}'"
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eval "AP_KEY_${AP_COUNT}='${key}'"
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debug "parse_mapcontroller_ap: AP[$AP_COUNT] ssid=|$ssid| band=|$band| encryption=|$encryption| key=|$key|"
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AP_COUNT=$((AP_COUNT + 1))
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}
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# ------------------------------------------------------
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# Parse wireless APs (multi_ap, enabled, ssid, band, key, encryption)
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# ------------------------------------------------------
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parse_wireless_ap() {
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log_prefix="parse_wireless_ap:"
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local section="$1"
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local matched_ifname=""
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config_get disabled "$section" disabled
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[ "$disabled" = "1" ] && return 0
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config_get multi_ap "$section" multi_ap
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case "$multi_ap" in
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1|2) return 0 ;;
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esac
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config_get ssid "$section" ssid
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[ -n "$ssid" ] || return 0
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config_get device "$section" device
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[ -n "$device" ] || return 0
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config_get band "$device" band
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case "$band" in
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2g) band="2" ;;
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5g) band="5" ;;
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6g) band="6" ;;
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*) return 0 ;;
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esac
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config_get radio_disabled "$device" disabled
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[ "$radio_disabled" = "1" ] && return 0
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config_get encryption "$section" encryption
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config_get key "$section" key
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eval "AP_SSID_${AP_COUNT}='${ssid}'"
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eval "AP_BAND_${AP_COUNT}='${band}'"
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eval "AP_KEY_${AP_COUNT}='${key}'"
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eval "AP_ENCRYPTION_${AP_COUNT}='${encryption}'"
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debug "$log_prefix AP[$AP_COUNT] iface=$section ssid=|$ssid| band=|$band| encryption=|$encryption| key=|$key|"
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for try in $(seq 1 "$MAX_RETRIES"); do
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config_get matched_ifname "$section" ifname
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if [ -n "$matched_ifname" ]; then
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debug "$log_prefix matched AP[$AP_COUNT] → ifname=$matched_ifname"
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eval "AP_IFNAME_${AP_COUNT}='${matched_ifname}'"
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break
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fi
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fi
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if [ "${arg}" == "mapcontroller" ]; then
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debug "$log_prefix no ifname for AP[$AP_COUNT] ssid=$ssid (try $try/$MAX_RETRIES)"
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mapcontroller=1
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fi
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done
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################################################################################
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# wait_for_wifi_reload
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#
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# Description:
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# Currently, there is no direct way to determine when WiFi reload
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# operations have fully completed. The ubus API does not provide any
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# event or flag indicating that WiFi services have finished reloading.
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#
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# To work around this, we use a timing-based heuristic:
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# - We repeatedly run `ubus call wifi status` every 1 second.
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# - Each call is timed (using `date +%s` before and after).
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# - Normally, this command returns almost instantly (<1s).
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# - However, during a WiFi reload, the call may take longer
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# (several seconds) while the subsystem is busy.
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# - Once we detect that `ubus call wifi status` takes longer than
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# 2 seconds to return, we assume the reload has been applied
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# and completed successfully.
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#
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# Additional wait constraints:
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# - Minimum wait: 5 seconds (to ensure reload started).
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# - Maximum wait: 15 seconds (to prevent indefinite blocking).
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# - If the threshold is not met within 15s, we log a timeout warning.
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################################################################################
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wait_for_wifi_reload() {
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MAX_ITER=15
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MIN_ITER=5
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THRESH=2 # seconds
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# Check if wifi ubus object exists
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ubus -t 2 wait_for wifi >/dev/null 2>&1
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if [ "$?" -ne 0 ]; then
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log "wifi ubus object not available, skipping wait logic"
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return 0
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fi
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#log "Waiting for WiFi reload (min ${MIN_ITER}s, max ${MAX_ITER}s)..."
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iter=0
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while [ "${iter}" -lt "${MAX_ITER}" ]; do
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iter=$((iter + 1))
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start=$(date +%s)
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ubus call wifi status >/dev/null 2>&1
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#rc=$?
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end=$(date +%s)
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elapsed=$((end - start))
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#log "wait_for_wifi_reload: iter=${iter}, rc=${rc}, elapsed=${elapsed}s"
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# If ubus took >2s and we've waited at least MIN_ITER → assume reload done
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if [ "${elapsed}" -gt "${THRESH}" ] && [ "${iter}" -ge "${MIN_ITER}" ]; then
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log "Detected long ubus response (${elapsed}s) after ${iter}s → assuming WiFi reload complete"
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return 0
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fi
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# Sleep 1s between checks
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if [ "${iter}" -lt "${MAX_ITER}" ]; then
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sleep 1
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sleep 1
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fi
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config_load wireless
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done
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done
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log "Timeout after ${MAX_ITER}s — WiFi reload not confirmed"
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eval "tmp_ifname=\$AP_IFNAME_${AP_COUNT}"
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return 1
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if [ -z "$tmp_ifname" ]; then
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info "$log_prefix FAIL: could not match AP[$AP_COUNT] ssid=$ssid after $MAX_RETRIES tries"
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fi
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AP_COUNT=$((AP_COUNT + 1))
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}
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}
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###############################################################################
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# ------------------------------------------------------
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# mark_ap_instances_applied
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# Match AP from mapcontroller to wireless interface
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#
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# ------------------------------------------------------
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# Description:
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match_ap_to_wireless_interface() {
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# Finalizes newly created WiFi AccessPoint instances in the dmmap WiFi
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local section="$1"
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# configuration.
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#
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# An AccessPoint instance is considered a *new instance* when the option
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# __is_new__ exists and its value is "1".
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#
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# New instance handling logic:
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#
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# • The AccessPoint's controller-side section name is obtained from
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# the __section_name__ option (e.g., "mapcontroller.xxx" or "wireless.xxx").
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#
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# • For new instances where __section_name__ begins with "mapcontroller.":
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# - Remove __is_new__
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# - No additional actions required
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#
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# • For new instances where __section_name__ begins with "wireless.":
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# - Set mapcontroller=0 (indicates mapcontroller reload is not required)
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# - Remove __is_new__
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#
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# • For all other prefixes:
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# - Remove __is_new__ only
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#
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# After all new instances are processed, the dmmap WiFi configuration is committed.
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###############################################################################
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mark_ap_instances_applied() {
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for sec in $(uci -q -c /etc/bbfdm/dmmap show WiFi | grep "=AccessPoint" | cut -d. -f2 | cut -d= -f1); do
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is_new=$(uci -q -c /etc/bbfdm/dmmap get WiFi.${sec}.__is_new__)
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if [ "${is_new}" = "1" ]; then
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config_get disabled "$section" disabled
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config_sec_name=$(uci -q -c /etc/bbfdm/dmmap get WiFi.${sec}.__section_name__)
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[ "$disabled" = "1" ] && return 0
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case "${config_sec_name}" in
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mapcontroller.*)
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# New mapcontroller AP instance — remove creation flag only
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uci -q -c /etc/bbfdm/dmmap delete WiFi.${sec}.__is_new__
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;;
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wireless.*)
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config_get multi_ap "$section" multi_ap
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# New wireless AP instance — skip mapcontroller reload
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[ "$multi_ap" = "2" ] || return 0
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mapcontroller=0
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uci -q -c /etc/bbfdm/dmmap delete WiFi.${sec}.__is_new__
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;;
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config_get w_ssid "$section" ssid
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[ "$w_ssid" = "$SSID" ] || return 0
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config_get device "$section" device
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[ -n "$device" ] || return 0
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config_get ap_band "$device" band
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case "$ap_band" in
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2g) ap_band="2" ;;
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5g) ap_band="5" ;;
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6g) ap_band="6" ;;
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*) return 0 ;;
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esac
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[ "$ap_band" = "$BAND" ] || return 0
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config_get radio_disabled "$device" disabled
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[ "$radio_disabled" = "1" ] && return 0
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config_get w_key "$section" key
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if [ -n "$KEY" ] && [ "$w_key" != "$KEY" ]; then
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return 0
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fi
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config_get w_enc "$section" encryption
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if [ -n "$ENCRYPTION" ] && [ "$w_enc" != "$ENCRYPTION" ]; then
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return 0
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fi
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config_get IFNAME "$section" ifname
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MATCHED_IFNAME="$IFNAME"
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RADIO_DISABLED="$radio_disabled"
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}
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# ------------------------------------------------------
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# Iterate over stored APs and match them to wireless interfaces
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# ------------------------------------------------------
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match_aps_to_wireless_interfaces() {
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log_prefix="match_aps_to_wireless_interfaces:"
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config_load wireless
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for i in $(seq 0 $((AP_COUNT - 1))); do
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eval "SSID=\$AP_SSID_$i"
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eval "BAND=\$AP_BAND_$i"
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eval "ENCRYPTION=\$AP_ENCRYPTION_$i"
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eval "KEY=\$AP_KEY_$i"
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debug "$log_prefix matching AP[$i]: ssid=|$SSID| band=|$BAND| encryption=|$ENCRYPTION| key=|$KEY|"
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MATCHED_IFNAME=""
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RADIO_DISABLED="0"
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for try in $(seq 1 "$MAX_RETRIES"); do
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config_foreach match_ap_to_wireless_interface wifi-iface
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if [ -n "$MATCHED_IFNAME" ]; then
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debug "$log_prefix matched AP[$i] → ifname=$MATCHED_IFNAME"
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eval "AP_IFNAME_$i=\$MATCHED_IFNAME"
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break
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fi
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if [ "$RADIO_DISABLED" = "1" ]; then
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debug "$log_prefix radio is disabled, no need to retry"
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break
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fi
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debug "$log_prefix no match for AP[$i] ssid=$SSID (try $try/$MAX_RETRIES)"
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sleep 1
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config_load wireless
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done
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eval "tmp_ifname=\$AP_IFNAME_$i"
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if [ -z "$tmp_ifname" ] && [ "$RADIO_DISABLED" != "1" ]; then
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info "$log_prefix FAIL: could not match AP[$i] ssid=$SSID after $MAX_RETRIES tries"
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fi
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done
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}
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# ------------------------------------------------------
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# Verify APs runtime state via ubus
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# ------------------------------------------------------
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verify_aps_runtime_state() {
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log_prefix="verify_aps_runtime_state:"
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for i in $(seq 0 $((AP_COUNT - 1))); do
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eval "ifname=\$AP_IFNAME_$i"
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eval "ssid=\$AP_SSID_$i"
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eval "band=\$AP_BAND_$i"
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if [ -z "$ifname" ]; then
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debug "$log_prefix ifname is empty for AP[$i] ssid=$ssid due to radio disabled"
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continue
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fi
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debug "$log_prefix validating runtime for IFNAME=|$ifname| ssid=|$ssid| band=|$band|"
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case "$band" in
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2) expected_ubus_band="2.4GHz" ;;
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5) expected_ubus_band="5GHz" ;;
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6) expected_ubus_band="6GHz" ;;
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*)
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*)
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# Other AP instance types — remove creation flag only
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debug "$log_prefix unknown band '$band' for AP[$i]"
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uci -q -c /etc/bbfdm/dmmap delete WiFi.${sec}.__is_new__
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continue
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;;
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;;
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esac
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esac
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ok=0
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for try in $(seq 1 "$MAX_RETRIES"); do
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json="$(ubus call wifi.ap."$ifname" status 2>/dev/null)"
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||||||
|
if [ -z "$json" ]; then
|
||||||
|
debug "$log_prefix empty ubus response for $ifname (try $try/$MAX_RETRIES)"
|
||||||
|
sleep 2
|
||||||
|
continue
|
||||||
fi
|
fi
|
||||||
|
|
||||||
|
ubus_ssid="$(echo "$json" | jsonfilter -q -e '@.ssid')"
|
||||||
|
ubus_band="$(echo "$json" | jsonfilter -q -e '@.band')"
|
||||||
|
|
||||||
|
if [ "$ubus_ssid" != "$ssid" ]; then
|
||||||
|
debug "$log_prefix ubus ssid mismatch for $ifname: expected=$ssid got=$ubus_ssid (try $try)"
|
||||||
|
sleep 2
|
||||||
|
continue
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [ "$ubus_band" != "$expected_ubus_band" ]; then
|
||||||
|
debug "$log_prefix ubus band mismatch for $ifname: expected=$expected_ubus_band got=$ubus_band (try $try)"
|
||||||
|
sleep 2
|
||||||
|
continue
|
||||||
|
fi
|
||||||
|
|
||||||
|
ok=1
|
||||||
|
break
|
||||||
done
|
done
|
||||||
|
|
||||||
uci -q -c /etc/bbfdm/dmmap commit WiFi
|
if [ "$ok" -ne 1 ]; then
|
||||||
|
info "$log_prefix FAIL: runtime validation failed for $ifname"
|
||||||
|
continue
|
||||||
|
fi
|
||||||
|
|
||||||
|
debug "$log_prefix IFACE=$ifname runtime validated"
|
||||||
|
done
|
||||||
|
|
||||||
|
debug "$log_prefix runtime validation completed"
|
||||||
}
|
}
|
||||||
|
|
||||||
# Define function to reload mapcontroller
|
# ------------------------------------------------------
|
||||||
|
# Validate mapcontroller config changes
|
||||||
|
# ------------------------------------------------------
|
||||||
|
validate_mapcontroller_changes() {
|
||||||
|
AP_COUNT=0
|
||||||
|
|
||||||
|
config_load mapcontroller
|
||||||
|
config_foreach parse_mapcontroller_ap ap
|
||||||
|
|
||||||
|
if [ "$AP_COUNT" -eq 0 ]; then
|
||||||
|
debug "reload_mapcontroller: no AP found in mapcontroller"
|
||||||
|
return 0
|
||||||
|
fi
|
||||||
|
|
||||||
|
match_aps_to_wireless_interfaces
|
||||||
|
verify_aps_runtime_state
|
||||||
|
}
|
||||||
|
|
||||||
|
# ------------------------------------------------------
|
||||||
|
# Validate wireless config changes
|
||||||
|
# ------------------------------------------------------
|
||||||
|
validate_wireless_changes() {
|
||||||
|
AP_COUNT=0
|
||||||
|
|
||||||
|
config_load wireless
|
||||||
|
config_foreach parse_wireless_ap wifi-iface
|
||||||
|
|
||||||
|
if [ "$AP_COUNT" -eq 0 ]; then
|
||||||
|
debug "reload_wireless: no AP found in wireless"
|
||||||
|
return 0
|
||||||
|
fi
|
||||||
|
|
||||||
|
verify_aps_runtime_state
|
||||||
|
}
|
||||||
|
|
||||||
|
# ------------------------------------------------------
|
||||||
|
# Reload mapcontroller service
|
||||||
|
# ------------------------------------------------------
|
||||||
reload_mapcontroller() {
|
reload_mapcontroller() {
|
||||||
pid=$(pidof mapcontroller)
|
pid=$(pidof mapcontroller)
|
||||||
if [ -n "$pid" ]; then
|
if [ -n "$pid" ]; then
|
||||||
log "Reloading mapcontroller (PID: $pid)..."
|
info "Reloading mapcontroller (PID: $pid)..."
|
||||||
kill -SIGHUP "$pid"
|
kill -SIGHUP "$pid"
|
||||||
wait_for_wifi_reload
|
sleep 5
|
||||||
|
validate_mapcontroller_changes
|
||||||
else
|
else
|
||||||
log "Warning: mapcontroller process not found"
|
info "Warning: mapcontroller process not found"
|
||||||
fi
|
fi
|
||||||
}
|
}
|
||||||
|
|
||||||
# Define function to commit wireless config
|
# ------------------------------------------------------
|
||||||
commit_wireless_config() {
|
# Reload wireless service
|
||||||
log "Committing wireless config..."
|
# ------------------------------------------------------
|
||||||
|
reload_wireless() {
|
||||||
|
info "Reloading wireless config..."
|
||||||
ubus call uci commit '{"config":"wireless"}'
|
ubus call uci commit '{"config":"wireless"}'
|
||||||
wait_for_wifi_reload
|
sleep 5
|
||||||
|
validate_wireless_changes
|
||||||
}
|
}
|
||||||
|
|
||||||
# Finalize newly created AP AccessPoint instances
|
# ------------------------------------------------------
|
||||||
mark_ap_instances_applied
|
# Finalize Access Point instances
|
||||||
|
# ------------------------------------------------------
|
||||||
|
finalize_ap_instances() {
|
||||||
|
DMAP_PATH="uci -q -c /etc/bbfdm/dmmap"
|
||||||
|
for sec in $($DMAP_PATH show WiFi | grep "=AccessPoint" | cut -d. -f2 | cut -d= -f1); do
|
||||||
|
is_new=$($DMAP_PATH get WiFi.${sec}.__is_new__)
|
||||||
|
[ "$is_new" = "1" ] || continue
|
||||||
|
|
||||||
# Apply logic based on flags
|
sec_name=$($DMAP_PATH get WiFi.${sec}.__section_name__)
|
||||||
if [ "$mapcontroller" -eq 1 ]; then
|
case "$sec_name" in
|
||||||
|
wireless.*) MAPCONTROLLER=0 ;;
|
||||||
|
esac
|
||||||
|
$DMAP_PATH delete WiFi.${sec}.__is_new__
|
||||||
|
done
|
||||||
|
|
||||||
|
$DMAP_PATH commit WiFi
|
||||||
|
}
|
||||||
|
|
||||||
|
# ------------------------------------------------------
|
||||||
|
# Main argument parser
|
||||||
|
# ------------------------------------------------------
|
||||||
|
for arg in "$@"; do
|
||||||
|
case "$arg" in
|
||||||
|
wireless) WIRELESS=1 ;;
|
||||||
|
mapcontroller) MAPCONTROLLER=1 ;;
|
||||||
|
*)
|
||||||
|
info "Unknown option: $arg"
|
||||||
|
exit 1
|
||||||
|
;;
|
||||||
|
esac
|
||||||
|
done
|
||||||
|
|
||||||
|
# ------------------------------------------------------
|
||||||
|
# Action logic
|
||||||
|
# ------------------------------------------------------
|
||||||
|
finalize_ap_instances
|
||||||
|
|
||||||
|
if [ "$MAPCONTROLLER" -eq 1 ]; then
|
||||||
reload_mapcontroller
|
reload_mapcontroller
|
||||||
elif [ "$wireless" -eq 1 ]; then
|
elif [ "$WIRELESS" -eq 1 ]; then
|
||||||
commit_wireless_config
|
reload_wireless
|
||||||
else
|
else
|
||||||
log "No action needed."
|
info "No valid arguments provided."
|
||||||
exit 1
|
exit 1
|
||||||
fi
|
fi
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Add table
Reference in a new issue