Interfaces: Diagnostics: Ping - add optional interval (seconds), closes https://github.com/opnsense/core/issues/9695

src/opnsense/mvc/app/controllers/OPNsense/Diagnostics/forms/ping.xml

@@ -31,6 +31,13 @@
       Can be helpful to determine the maximum size a transport is able to send.
       </help>
     </field>
+    <field>
+       <id>ping.settings.interval</id>
+       <label>Interval (seconds)</label>
+       <type>text</type>
+       <hint>1</hint>
+       <help>Specify the number of seconds to wait between sending pings.</help>
+    </field>
     <field>
        <id>ping.settings.description</id>
        <label>Description</label>

src/opnsense/mvc/app/models/OPNsense/Diagnostics/Ping.xml

@@ -25,6 +25,10 @@
                 <MaximumValue>65535</MaximumValue>
             </packetsize>
             <disable_frag type="BooleanField"/>
+            <interval type="IntegerField">
+                <MinimumValue>1</MinimumValue>
+                <MaximumValue>120</MaximumValue>
+            </interval>
             <description type="DescriptionField"/>
         </settings>
     </items>

src/opnsense/scripts/interfaces/ping.py

@@ -172,6 +172,9 @@ if __name__ == '__main__':
                 args.append(settings['packetsize'])
             if settings.get('disable_frag', '0') == '1':
                 args.append('-D')
+            if settings.get('interval', '') != '':
+                args.append('-i')
+                args.append(settings['interval'])
             args.append(settings.get('hostname', ''))
             if os.path.isfile(log_target):
                 os.remove(log_target)