From 41bc2d5d2d829038373e997f20cf76ef3e5028dd Mon Sep 17 00:00:00 2001
From: Ycarus <ycarus@zugaina.org>
Date: Fri, 10 Aug 2018 17:24:23 +0200
Subject: [PATCH] Add mptcp check interface

---
 .../luasrc/controller/openmptcprouter.lua     | 24 +++++++
 .../view/openmptcprouter/mptcp_check.htm      | 70 +++++++++++++++++++
 2 files changed, 94 insertions(+)
 create mode 100644 luci-app-openmptcprouter/luasrc/view/openmptcprouter/mptcp_check.htm

diff --git a/luci-app-openmptcprouter/luasrc/controller/openmptcprouter.lua b/luci-app-openmptcprouter/luasrc/controller/openmptcprouter.lua
index 383cc5978..c4aa3ff1c 100644
--- a/luci-app-openmptcprouter/luasrc/controller/openmptcprouter.lua
+++ b/luci-app-openmptcprouter/luasrc/controller/openmptcprouter.lua
@@ -16,6 +16,8 @@ function index()
 	entry({"admin", "system", "openmptcprouter", "interfaces_status"}, call("interfaces_status")).leaf = true
 	entry({"admin", "system", "openmptcprouter", "settings"}, template("openmptcprouter/settings"), _("Advanced Settings"), 3).leaf = true
 	entry({"admin", "system", "openmptcprouter", "settings_add"}, post("settings_add")).leaf = true
+	entry({"admin", "system", "openmptcprouter", "mptcp_check"}, template("openmptcprouter/mptcp_check"), _("MPTCP Support Check"), 3).leaf = true
+	entry({"admin", "system", "openmptcprouter", "mptcp_check_trace"}, post("mptcp_check_trace")).leaf = true
 end
 
 function wizard_add()
@@ -829,3 +831,25 @@ function _ipv6_discover(interface)
 	end
 	return ra6_result
 end
+
+function mptcp_check_trace(interface)
+	luci.http.prepare_content("text/plain")
+	local tracebox
+	local uci    = require "luci.model.uci".cursor()
+	local server = uci:get("shadowsocks-libev", "sss0", "server") or ""
+	if server == "" then return end
+	if interface == "" then
+		tracebox = io.popen("tracebox -s /usr/share/tracebox/omr-mptcp-trace.lua " .. server)
+	else
+		tracebox = io.popen("tracebox -s /usr/share/tracebox/omr-mptcp-trace.lua -i " .. interface .. " " .. server)
+	end
+	if tracebox then
+		while true do
+			local ln = tracebox:read("*l")
+			if not ln then break end
+			luci.http.write(ln)
+			luci.http.write("\n")
+		end
+	end
+	return
+end
\ No newline at end of file
diff --git a/luci-app-openmptcprouter/luasrc/view/openmptcprouter/mptcp_check.htm b/luci-app-openmptcprouter/luasrc/view/openmptcprouter/mptcp_check.htm
new file mode 100644
index 000000000..d7849e6bc
--- /dev/null
+++ b/luci-app-openmptcprouter/luasrc/view/openmptcprouter/mptcp_check.htm
@@ -0,0 +1,70 @@
+<%+header%>
+
+<%
+	local uci = require("luci.model.uci").cursor()
+	local sys = require "luci.sys"
+	local ifaces = sys.net:devices()
+%>
+
+<script type="text/javascript" src="<%=resource%>/cbi.js?v=git-18.193.28471-ee087a1"></script>
+<script type="text/javascript">//<![CDATA[
+    var stxhr = new XHR();
+
+    function update_mptcp(interface)
+    {
+	var trace = document.getElementById('tracebox');
+
+	if (trace)
+	{
+	    trace.innerHTML =
+		'<img src="<%=resource%>/icons/loading.gif" alt="<%:Loading%>" style="vertical-align:middle" /> ' + '<%:Waiting for command to complete...%>'
+	    ;
+
+	    stxhr.post('<%=url('admin/system/openmptcprouter')%>/mptcp_check_trace/' + interface, { token: '<%=token%>' },
+		function(x)
+		{
+		    if (x.responseText)
+		    {
+			trace.innerHTML = String.format('<pre>%s</pre>', x.responseText );
+		    } else {
+			trace.innerHTML = '<pre><%:Error%></pre>';
+		    }
+		}
+	    );
+	}
+    }
+//]]></script>
+
+<% if stderr and #stderr > 0 then %><pre class="error"><%=pcdata(stderr)%></pre><% end %>
+<form class="inline" method="post" action="<%=url('admin/system/openmptcprouter/mptcp_check_trace')%>">
+    <div class="cbi-map">
+	<h2 name="content"><%:MPTCP Support Check%></h2>
+	<div class="cbi-map-descr"><%:Check if MPTCP between interface and server is working.%></div>
+	<fieldset class="cbi-section" id="networks">
+	    <legend><%:Settings%></legend>
+	    <div class="cbi-section-descr"></div>
+	    <div class="cbi-value">
+		<label class="cbi-value-title"><%:Interface%></label>
+		<div class="cbi-value-field">
+		    <select class="cbi-input-select" name="interface" size="1">
+			<%
+			    for _, iface in ipairs(ifaces) do
+				if not (iface == "lo" or iface:match("^ifb.*")) then
+			%>
+			<option value="<%=iface%>"><%=iface%></option>
+			<%
+				end
+			    end
+			%>
+		    </select>
+		</div>
+	    </div>
+	    <input type="button" value="<%:Test%>" class="cbi-button cbi-button-apply" onclick="update_mptcp(this.form.interface.value)" />
+	</fieldset>
+    </div>
+</form>
+    
+<div class="cbi-section">
+    <span id="tracebox"></span>
+</div>
+<%+footer%>