--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libervia/cli/cmd_ping.py	Fri Jun 02 14:54:26 2023 +0200
@@ -0,0 +1,46 @@
+#!/usr/bin/env python3
+
+
+# Libervia CLI
+# Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from . import base
+from libervia.backend.core.i18n import _
+from libervia.cli.constants import Const as C
+
+__commands__ = ["Ping"]
+
+
+class Ping(base.CommandBase):
+    def __init__(self, host):
+        super(Ping, self).__init__(host, "ping", help=_("ping XMPP entity"))
+
+    def add_parser_options(self):
+        self.parser.add_argument("jid", help=_("jid to ping"))
+        self.parser.add_argument(
+            "-d", "--delay-only", action="store_true", help=_("output delay only (in s)")
+        )
+
+    async def start(self):
+        try:
+            pong_time = await self.host.bridge.ping(self.args.jid, self.profile)
+        except Exception as e:
+            self.disp(msg=_("can't do the ping: {e}").format(e=e), error=True)
+            self.host.quit(C.EXIT_BRIDGE_ERRBACK)
+        else:
+            msg = pong_time if self.args.delay_only else f"PONG ({pong_time} s)"
+            self.disp(msg)
+            self.host.quit()