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|
#!/bin/sh
REMOTE_HOST="${FIFO_REMOTE_HOST:-lex-queue}"
REMOTE_FIFO="${FIFO_REMOTE_FIFO:-/tmp/job_queue.txt}"
TARGET_DIR="${FIFO_TARGET_DIR:-/home/sadeep/lex}"
# Ensure the queue file exists
ssh -n "$REMOTE_HOST" "touch \"$REMOTE_FIFO\"" || {
echo "[$(date '+%H:%M:%S')] ERROR: Failed to reach remote host or init queue" >&2
exit 1
}
echo "[$(date '+%H:%M:%S')] Listening to remote queue '$REMOTE_FIFO' on $REMOTE_HOST..."
while true; do
msg=$(ssh -n "$REMOTE_HOST" "
if [ -s \"$REMOTE_FIFO\" ]; then
head -n 1 \"$REMOTE_FIFO\"
ed -s \"$REMOTE_FIFO\" <<'EOF' >/dev/null 2>&1
1d
w
q
EOF
fi
")
if [ -z "$msg" ]; then
sleep 1
continue
fi
# Log formatted line capped at 72 chars
log_line="[$(date '+%H:%M:%S')] Processing message: ${msg}"
if [ ${#log_line} -gt 72 ]; then
printf "[%s] Processing message: %.38s...\n" "$(date '+%H:%M:%S')" "$msg"
else
echo "$log_line"
fi
# Execute ./lex locally into RAM
output=$(./lex "$msg" 2>/dev/null)
if [ -z "$output" ]; then
echo "[$(date '+%H:%M:%S')] ERROR: ./lex returned empty response"
continue
fi
# Extract first word in-memory and convert to lowercase
raw_word=$(printf '%s' "$output" | awk 'NR==1{print $1; exit}')
first_word=$(printf '%s' "$raw_word" | tr '[:upper:]' '[:lower:]')
if [ -z "$first_word" ]; then
echo "[$(date '+%H:%M:%S')] ERROR: Invalid response (no first word)."
continue
fi
target_file="${TARGET_DIR}/${first_word}.txt"
temp_target="${TARGET_DIR}/${first_word}.tmp"
# Stream RAM payload to remote temp file and atomically rename
if printf '%s\n' "$output" \
| fold -s -w 72 \
| ssh "$REMOTE_HOST" "cat > \"$temp_target\" && mv -f \"$temp_target\" \"$target_file\""; then
echo "[$(date '+%H:%M:%S')] OK: Saved to $target_file"
else
echo "[$(date '+%H:%M:%S')] ERROR: Failed processing '$first_word'"
fi
done
|
