luci-mod-admin-full: eliminate the use of luci.sys.sysinfo()

Fetch the required information via ubus instead of relying on the
to-be-removed luci.sys.sysinfo() and luci.sys.loadavg() functions.

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

modules/luci-mod-admin-full/luasrc/view/admin_status/index.htm

@@ -19,11 +19,22 @@ You may obtain a copy of the License at
 	local has_dhcp = luci.fs.access("/etc/config/dhcp")
 	local has_wifi = luci.fs.stat("/etc/config/wireless")
 	      has_wifi = has_wifi and has_wifi.size > 0
-	local _, _, memtotal, memcached, membuffers, memfree, _, swaptotal, swapcached, swapfree = luci.sys.sysinfo()
+
-	local has_swap
+	local sysinfo = luci.util.ubus("system", "info") or { }
-	if swaptotal > 0 then
+	local boardinfo = luci.util.ubus("system", "board") or { }
-		has_swap = 1
+
-	end
+	local meminfo = sysinfo.memory or {
+		total = 0,
+		free = 0,
+		buffered = 0,
+		shared = 0
+	}
+
+	local swapinfo = sysinfo.swap or {
+		total = 0,
+		free = 0
+	}
+
 	local has_dsl = luci.fs.stat("/etc/init.d/dsl_control")
 
 	if luci.http.formvalue("status") == "1" then
@@ -42,16 +53,11 @@ You may obtain a copy of the License at
 			""):match("%d+")) or 4096
 
 		local rv = {
-			uptime     = luci.sys.uptime(),
+			uptime     = sysinfo.uptime or 0,
-			localtime  = os.date(),
+			localtime  = sysinfo.localtime or 0,
-			loadavg    = { luci.sys.loadavg() },
+			loadavg    = sysinfo.load or { 0, 0, 0 },
-			memtotal   = memtotal,
+			memory     = meminfo,
-			memcached  = memcached,
+			swap       = swapinfo,
-			membuffers = membuffers,
-			memfree    = memfree,
-			swaptotal  = swaptotal,
-			swapcached = swapcached,
-			swapfree   = swapfree,
 			connmax    = conn_max,
 			conncount  = conn_count,
 			leases     = luci.tools.status.dhcp_leases(),
@@ -95,8 +101,6 @@ You may obtain a copy of the License at
 
 		return
 	end
-
-	local system, model = luci.sys.sysinfo()
 -%>
 
 <%+header%>
@@ -501,50 +505,47 @@ You may obtain a copy of the License at
 			var e;
 
 			if (e = document.getElementById('localtime'))
-				e.innerHTML = info.localtime;
+				e.innerHTML = (new Date(info.localtime * 1000)).toUTCString();
 
 			if (e = document.getElementById('uptime'))
 				e.innerHTML = String.format('%t', info.uptime);
 
 			if (e = document.getElementById('loadavg'))
-				e.innerHTML = String.format('%.02f, %.02f, %.02f',
+				e.innerHTML = String.format(
-					info.loadavg[0], info.loadavg[1], info.loadavg[2]);
+					'%.02f, %.02f, %.02f',
+					info.loadavg[0] / 65535.0,
+					info.loadavg[1] / 65535.0,
+					info.loadavg[2] / 65535.0
+				);
 
 			if (e = document.getElementById('memtotal'))
 				e.innerHTML = progressbar(
-					(info.memfree + info.membuffers + info.memcached) + " <%:kB%>",
+					((info.memory.free + info.memory.buffered) / 1024) + " <%:kB%>",
-					info.memtotal + " <%:kB%>"
+					(info.memory.total / 1024) + " <%:kB%>"
 				);
 
 			if (e = document.getElementById('memfree'))
 				e.innerHTML = progressbar(
-					info.memfree + " <%:kB%>", info.memtotal + " <%:kB%>"
+					(info.memory.free / 1024) + " <%:kB%>",
-				);
+					(info.memory.total / 1024) + " <%:kB%>"
-
-			if (e = document.getElementById('memcache'))
-				e.innerHTML = progressbar(
-					info.memcached + " <%:kB%>", info.memtotal + " <%:kB%>"
 				);
 
 			if (e = document.getElementById('membuff'))
 				e.innerHTML = progressbar(
-					info.membuffers + " <%:kB%>", info.memtotal + " <%:kB%>"
+					(info.memory.buffered / 1024) + " <%:kB%>",
-				);
+					(info.memory.total / 1024) + " <%:kB%>"
-
-			if (e = document.getElementById('swapcache'))
-				e.innerHTML = progressbar(
-					info.swapcached + " <%:kB%>", info.swaptotal + " <%:kB%>"
 				);
 
 			if (e = document.getElementById('swaptotal'))
 				e.innerHTML = progressbar(
-					(info.swapfree + info.swapcached) + " <%:kB%>",
+					(info.swap.free / 1024) + " <%:kB%>",
-					info.swaptotal + " <%:kB%>"
+					(info.swap.total / 1024) + " <%:kB%>"
 				);
 
 			if (e = document.getElementById('swapfree'))
 				e.innerHTML = progressbar(
-					info.swapfree + " <%:kB%>", info.swaptotal + " <%:kB%>"
+					(info.swap.free / 1024) + " <%:kB%>",
+					(info.swap.total / 1024) + " <%:kB%>"
 				);
 
 			if (e = document.getElementById('conns'))
@@ -561,7 +562,7 @@ You may obtain a copy of the License at
 
 	<table width="100%" cellspacing="10">
 		<tr><td width="33%"><%:Hostname%></td><td><%=luci.sys.hostname() or "?"%></td></tr>
-		<tr><td width="33%"><%:Model%></td><td><%=pcdata(model or "?")%></td></tr>
+		<tr><td width="33%"><%:Model%></td><td><%=pcdata(boardinfo.model or boardinfo.system or "?")%></td></tr>
 		<tr><td width="33%"><%:Firmware Version%></td><td>
 			<%=pcdata(luci.version.distname)%> <%=pcdata(luci.version.distversion)%> /
 			<%=pcdata(luci.version.luciname)%> (<%=pcdata(luci.version.luciversion)%>)
@@ -579,19 +580,17 @@ You may obtain a copy of the License at
 	<table width="100%" cellspacing="10">
 		<tr><td width="33%"><%:Total Available%></td><td id="memtotal">-</td></tr>
 		<tr><td width="33%"><%:Free%></td><td id="memfree">-</td></tr>
-		<tr><td width="33%"><%:Cached%></td><td id="memcache">-</td></tr>
 		<tr><td width="33%"><%:Buffered%></td><td id="membuff">-</td></tr>
 	</table>
 </fieldset>
 
-<% if has_swap then %>
+<% if swapinfo.total > 0 then %>
 <fieldset class="cbi-section">
 	<legend><%:Swap%></legend>
 
 	<table width="100%" cellspacing="10">
 		<tr><td width="33%"><%:Total Available%></td><td id="swaptotal">-</td></tr>
 		<tr><td width="33%"><%:Free%></td><td id="swapfree">-</td></tr>
-		<tr><td width="33%"><%:Cached%></td><td id="swapcache">-</td></tr>
 	</table>
 </fieldset>
 <% end %>