From 31ea36f7ab8319313317f9420b47f29812977850 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sun, 2 Oct 2011 10:23:32 +0000
Subject: [PATCH] applications/luci-multiwan: add status indicators, patch by
 Etienne Champetier <etienne.champetier@free.fr> (#260)

---
 .../luasrc/controller/multiwan.lua            | 44 ++++++++++++
 .../view/admin_status/index/multiwan.htm      |  1 +
 .../luasrc/view/multiwan_status.htm           | 71 +++++++++++++++++++
 3 files changed, 116 insertions(+)
 create mode 100644 applications/luci-multiwan/luasrc/view/admin_status/index/multiwan.htm
 create mode 100644 applications/luci-multiwan/luasrc/view/multiwan_status.htm

diff --git a/applications/luci-multiwan/luasrc/controller/multiwan.lua b/applications/luci-multiwan/luasrc/controller/multiwan.lua
index 2a45c5f7bc..6aa4cf454a 100644
--- a/applications/luci-multiwan/luasrc/controller/multiwan.lua
+++ b/applications/luci-multiwan/luasrc/controller/multiwan.lua
@@ -11,8 +11,52 @@ function index()
 	page = entry({"admin", "network", "multiwan"}, cbi("multiwan/multiwan"), _("Multi-WAN"))
 	page.i18n = "multiwan"
 	page.dependent = true
+	
+	entry({"admin", "network", "multiwan", "status"}, call("multiwan_status"))
 
 	page = entry({"mini", "network", "multiwan"}, cbi("multiwan/multiwanmini", {autoapply=true}), _("Multi-WAN"))
 	page.i18n = "multiwan"
 	page.dependent = true
 end
+function multiwan_status()
+	local nfs = require "nixio.fs"
+	local cachefile = "/tmp/.mwan/cache"
+
+	local rv = {	}
+
+	cachefile = nfs.readfile(cachefile)
+	if cachefile then
+		local ntm = require "luci.model.network".init()
+		_, _, wan_if_map = string.find(cachefile, "wan_if_map=\"([^\"]*)\"")
+		_, _, wan_fail_map = string.find(cachefile, "wan_fail_map=\"([^\"]*)\"")
+		_, _, wan_recovery_map = string.find(cachefile, "wan_recovery_map=\"([^\"]*)\"")
+		
+		rv.wans = { }
+		wansid = {}
+
+		for wanname, wanifname in string.gfind(wan_if_map, "([^%[]+)%[([^%]]+)%]") do
+			local wanlink = ntm:get_interface(wanifname)
+			      wanlink = wanlink and wanlink:get_network()
+			      wanlink = wanlink and wanlink:adminlink() or "#"
+			wansid[wanname] = #rv.wans + 1
+			rv.wans[wansid[wanname]] = { name = wanname, link = wanlink, ifname = wanifname, status = "ok", count = 0 }
+		end
+
+		for wanname, failcount in string.gfind(wan_fail_map, "([^%[]+)%[([^%]]+)%]") do
+			if failcount == "x" then
+				rv.wans[wansid[wanname]].status = "ko"
+			else
+				rv.wans[wansid[wanname]].status = "failing"
+				rv.wans[wansid[wanname]].count = failcount
+			end
+		end
+
+		for wanname, recoverycount in string.gfind(wan_recovery_map, "([^%[]+)%[([^%]]+)%]") do
+			rv.wans[wansid[wanname]].status = "recovering"
+			rv.wans[wansid[wanname]].count = recoverycount
+		end
+	end
+
+	luci.http.prepare_content("application/json")
+	luci.http.write_json(rv)
+end
diff --git a/applications/luci-multiwan/luasrc/view/admin_status/index/multiwan.htm b/applications/luci-multiwan/luasrc/view/admin_status/index/multiwan.htm
new file mode 100644
index 0000000000..79c04539ff
--- /dev/null
+++ b/applications/luci-multiwan/luasrc/view/admin_status/index/multiwan.htm
@@ -0,0 +1 @@
+<%+multiwan_status%>
diff --git a/applications/luci-multiwan/luasrc/view/multiwan_status.htm b/applications/luci-multiwan/luasrc/view/multiwan_status.htm
new file mode 100644
index 0000000000..8c4127b237
--- /dev/null
+++ b/applications/luci-multiwan/luasrc/view/multiwan_status.htm
@@ -0,0 +1,71 @@
+<script type="text/javascript">//<![CDATA[
+	XHR.poll(5, '<%=luci.dispatcher.build_url("admin", "network", "multiwan", "status")%>', null,
+		function(x, st)
+		{
+			var tx = document.getElementById('multiwan_status_text');
+			if (tx)
+			{
+				if (st && st.wans)
+				{
+					var temp = '';
+
+					for( var i = 0; i < st.wans.length; i++ )
+					{
+						var stat = '<%:Unknown%>';
+						var cssc = '';
+
+						switch (st.wans[i].status)
+						{
+							case 'ok':
+								stat = '<%:OK%>';
+								cssc = 'wanok';
+								break;
+
+							case 'ko':
+								stat = '<%:KO%>';
+								cssc = 'wanko';
+								break;
+
+							case 'recovering':
+								stat = String.format('<%:Recovering%>(%d)', st.wans[i].count);
+								cssc = 'wanrecov';
+								break;
+
+							case 'failing':
+								stat = String.format('<%:Failing%>(%d)', st.wans[i].count);
+								cssc = 'wanfail';
+								break;
+						}
+
+						temp += String.format(
+							'<span class="%s"><strong>%s (<a href="%q">%s</a>) :</strong> %s</span>',
+								cssc, st.wans[i].name, st.wans[i].link, st.wans[i].ifname, stat
+						);
+					}
+					
+					tx.innerHTML = temp;
+				}
+				else
+				{
+					tx.innerHTML = '';
+				}
+			}
+		}
+	);
+//]]></script>
+
+<style type="text/css">
+  .wanok { background-color: rgb(144, 240, 144); }
+  .wanko { background-color: rgb(240, 144, 144); }
+  .wanrecov { background-color: rgb(240, 240, 0); }
+  .wanfail { background-color: rgb(255, 165, 0); }
+  .wanko, .wanok, .wanrecov, .wanfail {
+	padding: 0.4em;
+	margin: 0.4em;
+  }
+</style>
+
+<fieldset class="cbi-section">
+	<legend><%:Multi-WAN Status%></legend>
+	<div id="multiwan_status_text" style="text-align:center;"><em><%:Collecting data...%></em></div>
+</fieldset>
-- 
2.30.2