feat: add events command to zmonvif-probe.pl

Add 'events' command to check if an ONVIF camera supports the events
service. Returns "Events: yes" or "Events: no" for easy parsing.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

scripts/ZoneMinder/lib/ZoneMinder/ONVIF.pm.in

@@ -367,6 +367,22 @@ sub metadata {
 
 }
 
+sub events {
+  my ($client) = @_;
+
+  my $events_ep = $client->get_endpoint('events');
+  if (!$events_ep) {
+    print "Events: no\n";
+    print "Device does not support ONVIF events.\n" if $verbose;
+    return 0;
+  }
+
+  print "Events: yes\n";
+  print "Device supports ONVIF events.\n" if $verbose;
+
+  return 1;
+}
+
 1;
 __END__
 

scripts/zmonvif-probe.pl.in

@@ -49,6 +49,7 @@ sub HELP_MESSAGE {
     profiles  - print the device's supported stream configurations
     metadata  - print some of the device's configuration settings
     move      - move the device (only ptz cameras)
+    events    - check if the device supports ONVIF events
   Common parameters:
     -v        - increase verbosity
   Device access parameters (for all commands but 'probe'):
@@ -122,6 +123,8 @@ if ( $action eq 'probe' ) {
     ZoneMinder::ONVIF::move($client, $dir);
   } elsif ( $action eq 'metadata' ) {
     ZoneMinder::ONVIF::metadata($client);
+  } elsif ( $action eq 'events' ) {
+    ZoneMinder::ONVIF::events($client);
   } else {
     my $media = $client->get_endpoint('media');
     if ( ! $media ) {
@@ -158,6 +161,7 @@ zmonvif-probe.pl - ZoneMinder ONVIF probing tool
     profiles  - print the device's supported stream configurations
     metadata  - print some of the device's configuration settings
     move      - move the device (only ptz cameras)
+    events    - check if the device supports ONVIF events
     other     - Any command supported by the ONVIF Media element.
 
   Common parameters: