luci-mod-network: switch hostname configuration to client side js

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

modules/luci-mod-network/htdocs/luci-static/resources/view/network/hosts.js

@@ -0,0 +1,41 @@
+'use strict';
+'require rpc';
+'require form';
+
+return L.view.extend({
+	callHostHints: rpc.declare({
+		object: 'luci',
+		method: 'host_hints'
+	}),
+
+	load: function() {
+		return this.callHostHints();
+	},
+
+	render: function(hosts) {
+		var m, s, o;
+
+		m = new form.Map('dhcp', _('Hostnames'));
+
+		s = m.section(form.GridSection, 'domain', _('Host entries'));
+		s.addremove = true;
+		s.anonymous = true;
+		s.sortable  = true;
+
+		o = s.option(form.Value, 'name', _('Hostname'));
+		o.datatype = 'hostname';
+		o.rmempty = true;
+
+		o = s.option(form.Value, 'ip', _('IP address'));
+		o.datatype = 'ipaddr';
+		o.rmempty = true;
+		L.sortedKeys(hosts, 'ipv4', 'addr').forEach(function(mac) {
+			o.value(hosts[mac].ipv4, '%s (%s)'.format(
+				hosts[mac].ipv4,
+				hosts[mac].name || mac
+			));
+		});
+
+		return m.render();
+	}
+});

modules/luci-mod-network/luasrc/controller/admin/network.lua

@@ -108,7 +108,7 @@ function index()
 			page.order  = 30
 
 			page = node("admin", "network", "hosts")
-			page.target = cbi("admin_network/hosts")
+			page.target = view("network/hosts")
 			page.title  = _("Hostnames")
 			page.order  = 40
 		end

modules/luci-mod-network/luasrc/model/cbi/admin_network/hosts.lua

@@ -1,31 +0,0 @@
--- Copyright 2008 Steven Barth <steven@midlink.org>
--- Copyright 2010-2015 Jo-Philipp Wich <jow@openwrt.org>
--- Licensed to the public under the Apache License 2.0.
-
-local ipc = require "luci.ip"
-local sys = require "luci.sys"
-
-m = Map("dhcp", translate("Hostnames"))
-
-s = m:section(TypedSection, "domain", translate("Host entries"))
-s.addremove = true
-s.anonymous = true
-s.template = "cbi/tblsection"
-
-hn = s:option(Value, "name", translate("Hostname"))
-hn.datatype = "hostname"
-hn.rmempty  = true
-
-ip = s:option(Value, "ip", translate("IP address"))
-ip.datatype = "ipaddr"
-ip.rmempty  = true
-
-sys.net.host_hints(function(mac, v4, v6, name)
-	v6 = v6 and ipc.IPv6(v6)
-
-	if v4 or (v6 and not v6:is6linklocal()) then
-		ip:value(tostring(v4 or v6), "%s (%s)" %{ tostring(v4 or v6), name or mac })
-	end
-end)
-
-return m