Server bug fixing and new MeshAgent

2025-03-09 15:40:18 +00:00 · 2018-08-31 15:23:42 -07:00 · 2018-08-31 15:23:42 -07:00 · b274b782fa
commit b274b782fa
parent 562310bed1
21 changed files with 719 additions and 92 deletions
--- a/agents/modules_meshcore/win-message-pump.js
+++ b/agents/modules_meshcore/win-message-pump.js
@ -0,0 +1,120 @@
+/*
+Copyright 2018 Intel Corporation
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+var WH_CALLWNDPROC = 4;
+var WM_QUIT =  0x0012;
+
+function WindowsMessagePump(options)
+{
+    this._ObjectID = 'win-message-pump';
+    this._options = options;
+    var emitterUtils = require('events').inherits(this);
+    emitterUtils.createEvent('hwnd');
+    emitterUtils.createEvent('error');
+    emitterUtils.createEvent('message');
+    emitterUtils.createEvent('exit');
+
+    this._child = require('ScriptContainer').Create({ processIsolation: 0 });
+    this._child.MessagePump = this;
+    this._child.prependListener('~', function _childFinalizer() { this.MessagePump.emit('exit', 0); this.MessagePump.stop(); });
+    this._child.once('exit', function onExit(code) { this.MessagePump.emit('exit', code); });
+    this._child.once('ready', function onReady()
+    {
+        var execString = 
+        "var m = require('_GenericMarshal');\
+        var h = null;\
+        var k = m.CreateNativeProxy('Kernel32.dll');\
+        k.CreateMethod('GetLastError');\
+        k.CreateMethod('GetModuleHandleA');\
+        var u = m.CreateNativeProxy('User32.dll');\
+        u.CreateMethod('GetMessageA');\
+        u.CreateMethod('CreateWindowExA');\
+        u.CreateMethod('TranslateMessage');\
+        u.CreateMethod('DispatchMessageA');\
+        u.CreateMethod('RegisterClassExA');\
+        u.CreateMethod('DefWindowProcA');\
+        var wndclass = m.CreateVariable(m.PointerSize == 4 ? 48 : 80);\
+        wndclass.hinstance = k.GetModuleHandleA(0);\
+        wndclass.cname = m.CreateVariable('MainWWWClass');\
+        wndclass.wndproc = m.GetGenericGlobalCallback(4);\
+        wndclass.toBuffer().writeUInt32LE(wndclass._size);\
+        wndclass.cname.pointerBuffer().copy(wndclass.Deref(m.PointerSize == 4 ? 40 : 64, m.PointerSize).toBuffer());\
+        wndclass.wndproc.pointerBuffer().copy(wndclass.Deref(8, m.PointerSize).toBuffer());\
+        wndclass.hinstance.pointerBuffer().copy(wndclass.Deref(m.PointerSize == 4 ? 20 : 24, m.PointerSize).toBuffer());\
+        wndclass.wndproc.on('GlobalCallback', function onWndProc(xhwnd, xmsg, wparam, lparam)\
+        {\
+            if(h==null || h.Val == xhwnd.Val)\
+            {\
+                require('ScriptContainer').send({message: xmsg.Val, wparam: wparam.Val, lparam: lparam.Val});\
+                var retVal = u.DefWindowProcA(xhwnd, xmsg, wparam, lparam);\
+                return(retVal);\
+            }\
+        });\
+        u.RegisterClassExA(wndclass);\
+        h = u.CreateWindowExA(0x00000088, wndclass.cname, 0, 0x00800000, 0, 0, 100, 100, 0, 0, 0, 0);\
+        if(h.Val == 0)\
+        {\
+            require('ScriptContainer').send({error: 'Error Creating Hidden Window'});\
+            process.exit();\
+        }\
+        require('ScriptContainer').send({hwnd: h.pointerBuffer().toString('hex')});\
+        require('ScriptContainer').on('data', function onData(jmsg)\
+        {\
+            if(jmsg.listen)\
+            {\
+                var msg = m.CreateVariable(m.PointerSize == 4 ? 28 : 48);\
+                while(u.GetMessageA(msg, h, 0, 0).Val>0)\
+                {\
+                    u.TranslateMessage(msg);\
+                    u.DispatchMessageA(msg);\
+                }\
+                process.exit();\
+            }\
+        });";
+
+        this.ExecuteString(execString);    
+    });
+    this._child.on('data', function onChildData(msg)
+    {
+        if (msg.hwnd)
+        {
+            var m = require('_GenericMarshal');
+            this._hwnd = m.CreatePointer(Buffer.from(msg.hwnd, 'hex'));
+            this.MessagePump.emit('hwnd', this._hwnd);
+            this.send({ listen: this.MessagePump._options.filter });
+        }
+        else if(msg.message)
+        {
+            this.MessagePump.emit('message', msg);
+        }
+        else
+        {
+            console.log('Received: ', msg);
+        }
+    });
+    this.stop = function stop()
+    {
+        if(this._child && this._child._hwnd)
+        {
+            var marshal = require('_GenericMarshal');
+            var User32 = marshal.CreateNativeProxy('User32.dll');
+            User32.CreateMethod('PostMessageA');
+            User32.PostMessageA(this._child._hwnd, WM_QUIT, 0, 0);
+        }
+    };
+}
+
+module.exports = WindowsMessagePump;