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Bluetooth: BT_SCAN: use helpers and CLI/env overrides
Add BT_ADAPTER/--adapter and BT_SCAN_TARGET_MAC/BT_TARGET_MAC/--target-mac. Use bt_ensure_controller_visible, bt_set_scan and bt_get_discovering consistently. Validate either generic visibility or user-provided target MAC from devices list. Preserve .res PASS/FAIL/SKIP semantics with detailed logging for CI. Signed-off-by: Srikanth Muppandam <[email protected]>
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‎Runner/suites/Connectivity/Bluetooth/BT_SCAN/run.sh‎

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#!/bin/sh
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# Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
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# SPDX-License-Identifier: BSD-3-Clause-Clear
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# BT_SCAN – Bluetooth scanning validation (non-expect version)
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# ---------- Repo env + helpers ----------
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SCRIPT_DIR="$(
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cd "$(dirname "$0")" || exit 1
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pwd
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)"
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INIT_ENV=""
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SEARCH="$SCRIPT_DIR"
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while [ "$SEARCH" != "/" ]; do
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if [ -f "$SEARCH/init_env" ]; then
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INIT_ENV="$SEARCH/init_env"
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break
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fi
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SEARCH=$(dirname "$SEARCH")
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done
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if [ -z "$INIT_ENV" ]; then
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echo "[ERROR] Could not find init_env (starting at $SCRIPT_DIR)" >&2
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exit 1
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fi
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if [ -z "${__INIT_ENV_LOADED:-}" ]; then
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# shellcheck disable=SC1090
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. "$INIT_ENV"
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__INIT_ENV_LOADED=1
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fi
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# shellcheck disable=SC1091
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. "$TOOLS/functestlib.sh"
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# shellcheck disable=SC1091
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. "$TOOLS/lib_bluetooth.sh"
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# ---------- CLI / env parameters ----------
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BT_ADAPTER="${BT_ADAPTER-}"
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BT_SCAN_TARGET_MAC="${BT_SCAN_TARGET_MAC-}"
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BT_TARGET_MAC="${BT_TARGET_MAC-}"
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while [ "$#" -gt 0 ]; do
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case "$1" in
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--adapter)
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BT_ADAPTER="$2"
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shift 2
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;;
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--target-mac)
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BT_TARGET_MAC="$2"
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shift 2
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;;
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*)
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log_warn "Unknown argument ignored: $1"
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shift 1
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;;
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esac
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done
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TESTNAME="BT_SCAN"
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testpath="$(find_test_case_by_name "$TESTNAME")" || {
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log_fail "$TESTNAME : Test directory not found."
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echo "$TESTNAME FAIL" > "./$TESTNAME.res"
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exit 0
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}
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cd "$testpath" || exit 1
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res_file="./$TESTNAME.res"
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rm -f "$res_file"
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log_info "------------------------------------------------------------"
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log_info "Starting $TESTNAME Testcase"
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log_info "Checking dependency: bluetoothctl"
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check_dependencies bluetoothctl pgrep
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# -----------------------------
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# 1. Ensure bluetoothd is running
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# -----------------------------
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log_info "Checking if bluetoothd is running..."
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retry=0
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MAX_RETRIES=3
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RETRY_DELAY=5
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while [ "$retry" -lt "$MAX_RETRIES" ]; do
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if pgrep bluetoothd >/dev/null 2>&1; then
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log_info "bluetoothd is running"
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break
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fi
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log_warn "bluetoothd not running, retrying in ${RETRY_DELAY}s..."
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sleep "$RETRY_DELAY"
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retry=$((retry + 1))
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done
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if [ "$retry" -eq "$MAX_RETRIES" ]; then
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log_fail "bluetoothd not detected after $MAX_RETRIES attempts."
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echo "$TESTNAME FAIL" > "$res_file"
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exit 0
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fi
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# -----------------------------
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# 2. Detect adapter (CLI/ENV > auto-detect)
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# -----------------------------
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if [ -n "$BT_ADAPTER" ]; then
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ADAPTER="$BT_ADAPTER"
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log_info "Using adapter from BT_ADAPTER/CLI: $ADAPTER"
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elif findhcisysfs >/dev/null 2>&1; then
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ADAPTER="$(findhcisysfs 2>/dev/null || true)"
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else
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ADAPTER=""
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fi
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if [ -n "$ADAPTER" ]; then
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log_info "Using adapter: $ADAPTER"
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else
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log_warn "No HCI adapter found; skipping test."
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echo "$TESTNAME SKIP" > "$res_file"
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exit 0
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fi
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# -----------------------------
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# 3. Ensure controller is visible
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# -----------------------------
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if ! bt_ensure_controller_visible "$ADAPTER"; then
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log_warn "SKIP — controller not visible to bluetoothctl."
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echo "$TESTNAME SKIP" > "$res_file"
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exit 0
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fi
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# -----------------------------
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# 4. Ensure power is ON
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# -----------------------------
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pw="$(btgetpower "$ADAPTER" 2>/dev/null || true)"
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if [ "$pw" = "yes" ]; then
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log_pass "Power ON verified before scan."
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else
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log_info "Controller Power=$pw — enabling now..."
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if ! btpower "$ADAPTER" on; then
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log_fail "Failed to power ON controller."
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echo "$TESTNAME FAIL" > "$res_file"
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exit 0
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fi
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log_pass "Power ON successful."
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fi
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# -----------------------------
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# 5. Determine scan target MAC
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# -----------------------------
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TARGET_MAC="${BT_SCAN_TARGET_MAC:-$BT_TARGET_MAC}"
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if [ -n "$TARGET_MAC" ]; then
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log_info "Target MAC provided: $TARGET_MAC — will validate its presence after scan."
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else
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log_info "No target MAC provided, BT_SCAN will check for generic device visibility."
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fi
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# -----------------------------
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# 6. Scan ON via helper
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# -----------------------------
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log_info "Testing scan ON..."
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if ! bt_set_scan on "$ADAPTER"; then
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log_warn "bt_set_scan(on) returned non-zero will still inspect devices list."
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fi
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# Optional: single Discovering snapshot after scan-on window
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dstate_on="$(bt_get_discovering 2>/dev/null || true)"
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[ -z "$dstate_on" ] && dstate_on="unknown"
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log_info "Discovering state after scan ON window: $dstate_on"
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# -----------------------------
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# 7. Get devices list after scan ON
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# -----------------------------
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devices_out="$(
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bluetoothctl devices 2>/dev/null \
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| sanitize_bt_output
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)"
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if [ -n "$TARGET_MAC" ]; then
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mac_up=$(printf '%s\n' "$TARGET_MAC" | tr '[:lower:]' '[:upper:]')
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if printf '%s\n' "$devices_out" \
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| awk '/^Device /{print toupper($2)}' \
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| grep -q "$mac_up"
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then
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log_pass "Target MAC $TARGET_MAC detected."
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else
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log_fail "Target MAC $TARGET_MAC missing after scan ON window."
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echo "$TESTNAME FAIL" > "$res_file"
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exit 0
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fi
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else
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if [ -n "$devices_out" ]; then
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log_info "Devices seen by bluetoothctl after scan ON:"
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printf '%s\n' "$devices_out" | while IFS= read -r line; do
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[ -n "$line" ] && log_info " $line"
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done
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log_pass "At least one device discovered."
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else
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log_fail "No devices discovered in bluetoothctl devices after scan ON."
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echo "$TESTNAME FAIL" > "$res_file"
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exit 0
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fi
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fi
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# -----------------------------
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# 8. Scan OFF via helper + Discovering check
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# -----------------------------
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log_info "Testing scan OFF..."
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if ! bt_set_scan off "$ADAPTER"; then
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log_warn "bt_set_scan(off) returned non-zero continuing with Discovering check."
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fi
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SCAN_OFF_OK=0
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ITER=10
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i=1
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while [ "$i" -le "$ITER" ]; do
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dstate_off="$(bt_get_discovering 2>/dev/null || true)"
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[ -z "$dstate_off" ] && dstate_off="unknown"
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log_info "Discovering state during scan OFF wait (iteration $i/$ITER): $dstate_off"
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if [ "$dstate_off" = "no" ]; then
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SCAN_OFF_OK=1
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break
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fi
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sleep 2
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i=$((i + 1))
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done
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if [ "$SCAN_OFF_OK" -eq 1 ]; then
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log_pass "Discovering=no observed after scan OFF polling."
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else
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log_warn "Discovering did not transition to 'no' after scan OFF window."
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fi
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echo "$TESTNAME PASS" > "$res_file"
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exit 0

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