summaryrefslogtreecommitdiffstats
path: root/src/activeqt/control/qaxservermain.cpp
blob: 3a10cd7442250d5d889db8299d0ac9ae48ac0c0f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the ActiveQt framework of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
**     the names of its contributors may be used to endorse or promote
**     products derived from this software without specific prior written
**     permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/

#include <qstringlist.h>
#include <qvector.h>

#include "qaxfactory.h"

#ifndef QT_NO_WIN_ACTIVEQT

#include <qt_windows.h>

QT_BEGIN_NAMESPACE

static DWORD *classRegistration = 0;
static DWORD dwThreadID;
static bool qAxActivity = false;
static HANDLE hEventShutdown;

#ifdef QT_DEBUG
QT_STATIC_CONST DWORD dwTimeOut = 1000;
QT_STATIC_CONST DWORD dwPause = 500;
#else
QT_STATIC_CONST DWORD dwTimeOut = 5000; // time for EXE to be idle before shutting down
QT_STATIC_CONST DWORD dwPause = 1000; // time to wait for threads to finish up
#endif

extern HANDLE hEventShutdown;
extern bool qAxActivity;
extern HANDLE qAxInstance;
extern bool qAxIsServer;
extern bool qAxOutProcServer;
extern wchar_t qAxModuleFilename[MAX_PATH];
extern QString qAxInit();
extern void qAxCleanup();
extern HRESULT UpdateRegistry(BOOL bRegister);
extern HRESULT GetClassObject(const GUID &clsid, const GUID &iid, void **ppUnk);
extern ulong qAxLockCount();
extern bool qax_winEventFilter(void *message);

#if defined(Q_CC_BOR)
extern "C" __stdcall HRESULT DumpIDL(const QString &outfile, const QString &ver);
#else
STDAPI DumpIDL(const QString &outfile, const QString &ver);
#endif

// Monitors the shutdown event
static DWORD WINAPI MonitorProc(void* pv)
{
    while (1) {
        WaitForSingleObject(hEventShutdown, INFINITE);
        DWORD dwWait=0;
        do {
            qAxActivity = false;
            dwWait = WaitForSingleObject(hEventShutdown, dwTimeOut);
        } while (dwWait == WAIT_OBJECT_0);
        // timed out
        if (!qAxActivity && !qAxLockCount()) // if no activity let's really bail
            break;
    }
    CloseHandle(hEventShutdown);
    PostThreadMessage(dwThreadID, WM_QUIT, 0, 0);
    PostQuitMessage(0);
    
    return 0;
}

// Starts the monitoring thread
static bool StartMonitor()
{
    dwThreadID = GetCurrentThreadId();
    hEventShutdown = CreateEvent(0, false, false, 0);
    if (hEventShutdown == 0)
        return false;
    DWORD dwThreadID;
    HANDLE h = CreateThread(0, 0, MonitorProc, 0, 0, &dwThreadID);
    return (h != NULL);
}

void qax_shutDown()
{
    qAxActivity = true;
    if (hEventShutdown)
        SetEvent(hEventShutdown); // tell monitor that we transitioned to zero
}

/*
    Start the COM server (if necessary).
*/
bool qax_startServer(QAxFactory::ServerType type)
{
    if (qAxIsServer)
        return true;
    
    const QStringList keys = qAxFactory()->featureList();
    if (!keys.count())
        return false;
    
    if (!qAxFactory()->isService())
        StartMonitor();
    
    classRegistration = new DWORD[keys.count()];
    int object = 0;
    for (QStringList::ConstIterator key = keys.begin(); key != keys.end(); ++key, ++object) {
        IUnknown* p = 0;
        CLSID clsid = qAxFactory()->classID(*key);
        
        // Create a QClassFactory (implemented in qaxserverbase.cpp)
        HRESULT hRes = GetClassObject(clsid, IID_IClassFactory, (void**)&p);
        if (SUCCEEDED(hRes))
            hRes = CoRegisterClassObject(clsid, p, CLSCTX_LOCAL_SERVER,
                type == QAxFactory::MultipleInstances ? REGCLS_MULTIPLEUSE : REGCLS_SINGLEUSE,
                classRegistration+object);
        if (p)
            p->Release();
    }

    qAxIsServer = true;
    return true;
}

/*
    Stop the COM server (if necessary).
*/
bool qax_stopServer()
{
    if (!qAxIsServer || !classRegistration)
        return true;
    
    qAxIsServer = false;
    
    const QStringList keys = qAxFactory()->featureList();
    int object = 0;
    for (QStringList::ConstIterator key = keys.begin(); key != keys.end(); ++key, ++object)
        CoRevokeClassObject(classRegistration[object]);
    
    delete []classRegistration;
    classRegistration = 0;
    
    Sleep(dwPause); //wait for any threads to finish
    
    return true;
}

#if defined(Q_OS_WINCE)
extern void __cdecl qWinMain(HINSTANCE, HINSTANCE, LPSTR, int, int &, QVector<char *> &);
#else
extern void qWinMain(HINSTANCE, HINSTANCE, LPSTR, int, int &, QVector<char *> &);
#endif

QT_END_NAMESPACE

#if defined(QT_NEEDS_QMAIN)
int qMain(int, char **);
#define main qMain
#else
#if defined(Q_OS_WINCE)
extern "C" int __cdecl main(int, char **);
#else
extern "C" int main(int, char **);
#endif
#endif


EXTERN_C int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR, int nShowCmd)
{
    QT_USE_NAMESPACE 

    qAxOutProcServer = true;
    GetModuleFileName(0, qAxModuleFilename, MAX_PATH);
    qAxInstance = hInstance;

    QByteArray cmdParam = QString::fromWCharArray(GetCommandLine()).toLocal8Bit();
    QList<QByteArray> cmds = cmdParam.split(' ');
    QByteArray unprocessed;

    int nRet = 0;
    bool run = true;
    bool runServer = false;
    for (int i = 0; i < cmds.count(); ++i) {
        QByteArray cmd = cmds.at(i).toLower();
        if (cmd == "-activex" || cmd == "/activex" || cmd == "-embedding" || cmd == "/embedding") {
            runServer = true;
        } else if (cmd == "-unregserver" || cmd == "/unregserver") {
            nRet = UpdateRegistry(false);
            run = false;
            break;
        } else if (cmd == "-regserver" || cmd == "/regserver") {
            nRet = UpdateRegistry(true);
            run = false;
            break;
        } else if (cmd == "-dumpidl" || cmd == "/dumpidl") {
            ++i;
            if (i < cmds.count()) {
                QByteArray outfile = cmds.at(i);
                ++i;
                QByteArray version;
                if (i < cmds.count() && (cmds.at(i) == "-version" || cmds.at(i) == "/version")) {
                    ++i;
                    if (i < cmds.count())
                        version = cmds.at(i);
                    else
                        version = "1.0";
                }
                
                nRet = DumpIDL(QString::fromLatin1(outfile.constData()), QString::fromLatin1(version.constData()));
            } else {
                qWarning("Wrong commandline syntax: <app> -dumpidl <idl file> [-version <x.y.z>]");
            }
            run = false;
            break;
        } else {
            unprocessed += cmds.at(i) + ' ';
        }
    }
    
    if (run) {
        HRESULT hRes = CoInitialize(0);

        int argc;
        QVector<char*> argv(8);
        qWinMain(hInstance, hPrevInstance, unprocessed.data(), nShowCmd, argc, argv);
        qAxInit();
        if (runServer)
            QAxFactory::startServer();
        nRet = ::main(argc, argv.data());
        QAxFactory::stopServer();
        qAxCleanup();
        CoUninitialize();
        
    }
    
    return nRet;
}

#endif // QT_NO_WIN_ACTIVEQT