merge: testing → main (reconcile 2-week divergence)

decnet/cli/sniffer.py

@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+import typer
+
+from decnet.env import DECNET_INGEST_LOG_FILE
+
+from . import utils as _utils
+from .utils import console, log
+
+
+def register(app: typer.Typer) -> None:
+    @app.command(name="sniffer")
+    def sniffer_cmd(
+        log_file: str = typer.Option(DECNET_INGEST_LOG_FILE, "--log-file", "-f", help="Path to write captured syslog + JSON records"),
+        daemon: bool = typer.Option(False, "--daemon", "-d", help="Detach to background as a daemon process"),
+    ) -> None:
+        """Run the network sniffer as a standalone microservice."""
+        import asyncio
+        from decnet.sniffer import sniffer_worker
+
+        if daemon:
+            log.info("sniffer daemonizing log_file=%s", log_file)
+            _utils._daemonize()
+
+        log.info("sniffer starting log_file=%s", log_file)
+        console.print(f"[bold cyan]Sniffer starting[/] → {log_file}")
+
+        try:
+            asyncio.run(sniffer_worker(log_file))
+        except KeyboardInterrupt:
+            console.print("\n[yellow]Sniffer stopped.[/]")