From d529641756b5443ba86141ab13ed14952b02bdbf Mon Sep 17 00:00:00 2001
From: Lubomir Rintel <lkundrak@v3.sk>
Date: Fri, 3 Nov 2017 15:37:11 +0100
Subject: [PATCH] examples/js: add a javascript example

Converted from python/gi/get_ip.py.
---
 Makefile.examples      |   2 +
 examples/js/get_ips.js | 184 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 186 insertions(+)
 create mode 100755 examples/js/get_ips.js

diff --git a/Makefile.examples b/Makefile.examples
index 63370e2cbc..fc08851ca6 100644
--- a/Makefile.examples
+++ b/Makefile.examples
@@ -133,6 +133,8 @@ EXTRA_DIST += \
 	examples/dispatcher/10-ifcfg-rh-routes.sh \
 	examples/dispatcher/70-wifi-wired-exclusive.sh \
 	\
+	examples/js/get_ips.js \
+	\
 	examples/lua/lgi/add-connection.lua \
 	examples/lua/lgi/list-connections.lua \
 	examples/lua/lgi/list-devices.lua \
diff --git a/examples/js/get_ips.js b/examples/js/get_ips.js
new file mode 100755
index 0000000000..490ecb2a8a
--- /dev/null
+++ b/examples/js/get_ips.js
@@ -0,0 +1,184 @@
+#!/usr/bin/env gjs
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Copyright 2014,2017 Red Hat, Inc.
+ */
+
+const System = imports.system;
+const NM = imports.gi.NM;
+const GLib = imports.gi.GLib;
+
+/*
+ * This example shows how to get addresses, routes and DNS information
+ * from NMIP4Config and NMIP6Config (got out of NMDevice)
+ */
+
+function show_addresses (dev, family)
+{
+	let ip_cfg;
+	if (family == GLib.SYSDEF_AF_INET)
+		ip_cfg = dev.get_ip4_config ();
+	else
+		ip_cfg = dev.get_ip6_config ();
+
+	if (ip_cfg == null) {
+		print ("None");
+		return;
+	}
+
+	let nm_addresses = ip_cfg.get_addresses ();
+	if (nm_addresses.length == 0) {
+		print ("None");
+		return;
+	}
+
+	for (let nm_address of nm_addresses) {
+		let addr = nm_address.get_address ();
+		let prefix = nm_address.get_prefix ();
+
+		print (addr + "/" + prefix);
+	}
+}
+
+function show_gateway (dev, family)
+{
+	let ip_cfg;
+	if ((family == GLib.SYSDEF_AF_INET))
+		ip_cfg = dev.get_ip4_config ();
+	else
+		ip_cfg = dev.get_ip6_config ();
+
+	let gw;
+	if (ip_cfg == null)
+		gw = "None"
+	else {
+		gw = ip_cfg.get_gateway ();
+		if (gw == '')
+			gw = "None"
+	}
+
+	print (gw);
+}
+
+function show_routes (dev, family)
+{
+	let ip_cfg;
+	if ((family == GLib.SYSDEF_AF_INET))
+		ip_cfg = dev.get_ip4_config ();
+	else
+		ip_cfg = dev.get_ip6_config ();
+
+	if (ip_cfg == null) {
+		print ("None");
+		return;
+	}
+
+	let nm_routes = ip_cfg.get_routes ();
+	if (nm_routes.length == 0) {
+		print ("None");
+		return;
+	}
+
+	for (let nm_route of nm_routes) {
+		let dest = nm_route.get_dest ();
+		let prefix = nm_route.get_prefix ();
+		let next_hop = nm_route.get_next_hop ();
+		let metric = nm_route.get_metric ();
+
+		print (dest + "/" + prefix + "  " + next_hop + "  " + metric);
+	}
+}
+
+function show_dns (dev, family)
+{
+	let ip_cfg;
+	if ((family == GLib.SYSDEF_AF_INET))
+		ip_cfg = dev.get_ip4_config ();
+	else
+		ip_cfg = dev.get_ip6_config ();
+
+	if (ip_cfg == null) {
+		print ("None");
+		return;
+	}
+
+	print ("Nameservers: " + ip_cfg.get_nameservers ());
+	print ("Domains: " + ip_cfg.get_domains ());
+	print ("Searches: " + ip_cfg.get_searches ());
+	if ((family == GLib.SYSDEF_AF_INET))
+		print ("WINS: " + ip_cfg.get_wins_servers ());
+}
+
+if (ARGV.length != 1) {
+	print ("Usage: get_ips.js <interface>");
+	System.exit (1);
+}
+
+
+let dev_iface = ARGV[0];
+let c = NM.Client.new (null);
+
+let dev = c.get_device_by_iface (dev_iface);
+
+if (dev == null) {
+	print ("Device '%s' not found " + dev_iface);
+	System.exit (1);
+}
+
+print ("Device: " + dev_iface + " - " + dev.get_type_description ());
+print ("---------------------------------------");
+print ();
+
+print ("IPv4 addresses:");
+print ("---------------");
+show_addresses (dev, GLib.SYSDEF_AF_INET);
+print ();
+
+print ("IPv4 gateway:");
+print ("-------------");
+show_gateway (dev, GLib.SYSDEF_AF_INET);
+print ();
+
+print ("IPv4 routes:");
+print ("------------");
+show_routes (dev, GLib.SYSDEF_AF_INET);
+print ();
+
+print ("IPv6 addresses:");
+print ("---------------");
+show_addresses (dev, GLib.SYSDEF_AF_INET6);
+print ();
+
+print ("IPv6 gateway:");
+print ("-------------");
+show_gateway (dev, GLib.SYSDEF_AF_INET6);
+print ();
+
+print ("IPv6 routes:");
+print ("------------");
+show_routes (dev, GLib.SYSDEF_AF_INET6);
+print ();
+
+print ("IPv4 DNS:");
+print ("------------");
+show_dns (dev, GLib.SYSDEF_AF_INET);
+print ();
+
+print ("IPv6 DNS:");
+print ("------------");
+show_dns (dev, GLib.SYSDEF_AF_INET6);
+print ();