luci-base, luci-mod-status: convert process status to client side view

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

4 files changed, 89 insertions, 36 deletions

diff --git a/modules/luci-base/root/usr/share/rpcd/acl.d/luci-base.json b/modules/luci-base/root/usr/share/rpcd/acl.d/luci-base.json
index 540fc72c1..a60c432bc 100644
--- a/modules/luci-base/root/usr/share/rpcd/acl.d/luci-base.json
+++ b/modules/luci-base/root/usr/share/rpcd/acl.d/luci-base.json
@@ -43,7 +43,7 @@
 			"ubus": {
 				"file": [ "list", "read", "stat" ],
 				"iwinfo": [ "assoclist", "freqlist", "txpowerlist", "countrylist" ],
-				"luci": [ "getConntrackList", "getDUIDHints", "getInitList", "getLocaltime", "getRealtimeStats", "getTimezones", "getLEDs", "getUSBDevices", "getSwconfigFeatures", "getSwconfigPortState", "getBlockDevices", "getMountPoints" ],
+				"luci": [ "getConntrackList", "getDUIDHints", "getInitList", "getLocaltime", "getProcessList", "getRealtimeStats", "getTimezones", "getLEDs", "getUSBDevices", "getSwconfigFeatures", "getSwconfigPortState", "getBlockDevices", "getMountPoints" ],
 				"luci-rpc": [ "getBoardJSON", "getDHCPLeases", "getDSLStatus", "getHostHints", "getNetworkDevices", "getWirelessDevices" ],
 				"network.interface": [ "dump" ],
 				"network.rrdns": [ "lookup" ],
@@ -68,6 +68,7 @@
 				"/sbin/reboot": [ "exec" ],
 				"/sbin/sysupgrade": [ "exec" ],
 				"/sbin/wifi": [ "exec" ],
+				"/bin/kill": [ "exec" ],
 				"/bin/tar": [ "exec" ],
 				"/bin/umount": [ "exec" ],
 				"/tmp/backup.tar.gz": [ "write" ],
diff --git a/modules/luci-mod-status/htdocs/luci-static/resources/processes.js b/modules/luci-mod-status/htdocs/luci-static/resources/processes.js
new file mode 100644
index 000000000..b996b78ce
--- /dev/null
+++ b/modules/luci-mod-status/htdocs/luci-static/resources/processes.js
@@ -0,0 +1,86 @@
+'use strict';
+'require fs';
+'require ui';
+'require rpc';
+
+var callLuciProcessList = rpc.declare({
+	object: 'luci',
+	method: 'getProcessList',
+	expect: { result: [] }
+});
+
+return L.view.extend({
+	load: function() {
+		return callLuciProcessList();
+	},
+
+	handleSignal: function(signum, pid, ev) {
+		return fs.exec('/bin/kill', ['-%d'.format(signum), '%s'.format(pid)]).then(L.bind(function() {
+			return callLuciProcessList().then(L.bind(function(processes) {
+				this.updateTable('.table', processes);
+			}, this));
+		}, this)).catch(function(e) { ui.addNotification(null, E('p', e.message)) });
+	},
+
+	updateTable: function(table, processes) {
+		var rows = [];
+
+		processes.sort(function(a, b) {
+			return (a.PID - b.PID);
+		});
+
+		for (var i = 0; i < processes.length; i++) {
+			var proc = processes[i];
+
+			rows.push([
+				proc.PID,
+				proc.USER,
+				proc.COMMAND,
+				proc['%CPU'],
+				proc['%MEM'],
+				E('div', { 'class': 'nowrap' }, [
+					E('button', {
+						'class': 'btn cbi-button-action',
+						'click': ui.createHandlerFn(this, 'handleSignal', 1, proc.PID)
+					}, _('Hang Up')), ' ',
+					E('button', {
+						'class': 'btn cbi-button-negative',
+						'click': ui.createHandlerFn(this, 'handleSignal', 15, proc.PID)
+					}, _('Terminate')), ' ',
+					E('button', {
+						'class': 'btn cbi-button-negative',
+						'click': ui.createHandlerFn(this, 'handleSignal', 9, proc.PID)
+					}, _('Kill'))
+				])
+			]);
+		}
+
+		cbi_update_table(table, rows, E('em', _('No information available')));
+	},
+
+	render: function(processes) {
+		var v = E([], [
+			E('h2', _('Processes')),
+			E('div', { 'class': 'cbi-map-descr' }, _('This list gives an overview over currently running system processes and their status.')),
+
+			E('div', { 'class': 'table' }, [
+				E('div', { 'class': 'tr table-titles' }, [
+					E('div', { 'class': 'th' }, _('PID')),
+					E('div', { 'class': 'th' }, _('Owner')),
+					E('div', { 'class': 'th' }, _('Command')),
+					E('div', { 'class': 'th' }, _('CPU usage (%)')),
+					E('div', { 'class': 'th' }, _('Memory usage (%)')),
+					E('div', { 'class': 'th center' }, _('Actions'))
+				])
+			])
+		]);
+
+		this.updateTable(v.lastElementChild, processes);
+
+		return v;
+	},
+
+	handleSaveApply: null,
+	handleSave: null,
+	handleReset: null
+});
diff --git a/modules/luci-mod-status/luasrc/controller/admin/status.lua b/modules/luci-mod-status/luasrc/controller/admin/status.lua
index e888ccf09..6f8414922 100644
--- a/modules/luci-mod-status/luasrc/controller/admin/status.lua
+++ b/modules/luci-mod-status/luasrc/controller/admin/status.lua
@@ -16,7 +16,7 @@ function index()
 	entry({"admin", "status", "routes"}, template("admin_status/routes"), _("Routes"), 3)
 	entry({"admin", "status", "syslog"}, call("action_syslog"), _("System Log"), 4)
 	entry({"admin", "status", "dmesg"}, call("action_dmesg"), _("Kernel Log"), 5)
-	entry({"admin", "status", "processes"}, form("admin_status/processes"), _("Processes"), 6)
+	entry({"admin", "status", "processes"}, view("status/processes"), _("Processes"), 6)
 
 	entry({"admin", "status", "realtime"}, alias("admin", "status", "realtime", "load"), _("Realtime Graphs"), 7)
 
diff --git a/modules/luci-mod-status/luasrc/model/cbi/admin_status/processes.lua b/modules/luci-mod-status/luasrc/model/cbi/admin_status/processes.lua
deleted file mode 100644
index 0a6e48fd8..000000000
--- a/modules/luci-mod-status/luasrc/model/cbi/admin_status/processes.lua
+++ /dev/null
@@ -1,34 +0,0 @@
--- Copyright 2008 Steven Barth <steven@midlink.org>
--- Copyright 2008 Jo-Philipp Wich <jow@openwrt.org>
--- Licensed to the public under the Apache License 2.0.
-
-f = SimpleForm("processes", translate("Processes"), translate("This list gives an overview over currently running system processes and their status."))
-f.reset = false
-f.submit = false
-
-t = f:section(Table, luci.sys.process.list())
-t:option(DummyValue, "PID", translate("PID"))
-t:option(DummyValue, "USER", translate("Owner"))
-t:option(DummyValue, "COMMAND", translate("Command"))
-t:option(DummyValue, "%CPU", translate("CPU usage (%)"))
-t:option(DummyValue, "%MEM", translate("Memory usage (%)"))
-
-hup = t:option(Button, "_hup", translate("Hang Up"))
-hup.inputstyle = "reload"
-function hup.write(self, section)
-	null, self.tag_error[section] = luci.sys.process.signal(section, 1)
-end
-
-term = t:option(Button, "_term", translate("Terminate"))
-term.inputstyle = "remove"
-function term.write(self, section)
-	null, self.tag_error[section] = luci.sys.process.signal(section, 15)
-end
-
-kill = t:option(Button, "_kill", translate("Kill"))
-kill.inputstyle = "reset"
-function kill.write(self, section)
-	null, self.tag_error[section] = luci.sys.process.signal(section, 9)
-end
-
-return f
\ No newline at end of file