Add retry mechanism for speed test in runtest.sh and update settings for max retries and delay

runtest.sh

@@ -67,8 +67,29 @@ while [ "$COUNTER" -lt "$NUM_TESTS" ]; do
     link_level_noise=$(awk 'NR==3 {gsub(/\./, "", $3); gsub(/\./, "", $4); gsub(/\./, "", $5); print $3","$4","$5}' /proc/net/wireless)
     bssid_and_bitrate=$(iw dev $INTERFACE link | awk '/Connected/ {bssid=$3} /tx bitrate/ {tx=$3} /rx bitrate/ {rx=$3} END {print bssid","tx","rx}')
 
-    # Speed test
-    speed_results=$(speedtest --secure --csv)
+    speed_results=""
+    for ((retry=1; retry<=MAX_RETRIES; retry++)); do
+        echo "    Attempting speed test (try $retry)..."
+        speed_results=$(speedtest --secure --csv 2>/dev/null)
+
+        if [[ -n "$speed_results" ]]; then
+            break
+        fi
+
+        echo "    [!] Speedtest failed at $(date -Iseconds). Retrying in $RETRY_DELAY seconds..."
+        sleep $RETRY_DELAY
+    done
+
+    if [[ -z "$speed_results" ]]; then
+        TIMESTAMP=$(date -Iseconds)
+        echo "    [!] Speedtest permanently failed at $TIMESTAMP. Skipping sample $i of test $COUNTER."
+
+        # Optionally log failure to a sidecar file for later nerd rage
+        echo "$TIMESTAMP,Test $COUNTER,Sample $i" >> "${TEST_FILE%.csv}-failures.log"
+
+        continue  # Skip this sample
+    fi
+
 
     # TX failure delta
     FAILED_NOW=$(get_tx_failed)
@@ -110,8 +131,17 @@ fi
 
 python3 $SCRIPT_DIRECTORY/enrich.py --csv $TEST_FILE --pcapng "$KISMET_LOG" --output "$ENRICHED_FILE"
 
+ATTACHMENTS="$ENRICHED_FILE"
+
+# Check if a failure log exists and add it to the attachments
+FAILURE_LOG="${TEST_FILE%.csv}-failures.log"
+if [ -f "$FAILURE_LOG" ]; then
+  ATTACHMENTS="$ATTACHMENTS -a $FAILURE_LOG"
+  echo "[+] Attaching failure log: $FAILURE_LOG"
+fi
+
 # Final email with attachment
 echo "The test with UID ${BOOT_ID} is complete. Please collect the probe. Data is attached." | \
-mutt -s "Test ${BOOT_ID} Complete" -a "$ENRICHED_FILE" -- "$RECIPIENT"
+mutt -s "Test ${BOOT_ID} Complete" $ATTACHMENTS -- "$RECIPIENT"
 
 sudo kill $SUDO_KEEPALIVE_PID