diff options
Diffstat (limited to 'producer.sh')
| -rw-r--r-- | producer.sh | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/producer.sh b/producer.sh new file mode 100644 index 0000000..e05dca4 --- /dev/null +++ b/producer.sh @@ -0,0 +1,36 @@ +#!/bin/sh + +FIFO_PATH="${QUEUE_FIFO_PATH:-/tmp/job_queue}" + +# Validate argument +if [ $# -eq 0 ] || [ -z "$1" ]; then + echo "Usage: $0 \"message to publish\"" >&2 + exit 1 +fi + +MESSAGE="$1" + +# Ensure the FIFO exists (create if missing) +if [ ! -p "$FIFO_PATH" ]; then + mkfifo -m 0600 "$FIFO_PATH" || { + echo "[$(date '+%H:%M:%S')] ERROR: Failed to create FIFO at $FIFO_PATH" >&2 + exit 1 + } +fi + +# Handle SIGPIPE gracefully so the producer doesn't crash if the consumer disconnects +trap '' PIPE + +# Publish message to the FIFO +if echo "$MESSAGE" > "$FIFO_PATH" 2>/dev/null; then + # Format and cap log line at 72 chars + log_line="[$(date '+%H:%M:%S')] Published: ${MESSAGE}" + if [ ${#log_line} -gt 72 ]; then + printf "[%s] Published: %.45s...\n" "$(date '+%H:%M:%S')" "$MESSAGE" + else + echo "$log_line" + fi +else + echo "[$(date '+%H:%M:%S')] ERROR: Failed to write to FIFO at $FIFO_PATH" >&2 + exit 1 +fi |
