aboutsummaryrefslogtreecommitdiff
path: root/init.cpp
blob: 78d83f02f8a733ae7c0195b0e9ef8b4434fa065d (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
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.

#include "headers.h"




void ExitTimeout(void* parg)
{
#ifdef __WXMSW__
    Sleep(5000);
    ExitProcess(0);
#endif
}

void Shutdown(void* parg)
{
    static CCriticalSection cs_Shutdown;
    static bool fTaken;
    bool fFirstThread;
    CRITICAL_BLOCK(cs_Shutdown)
    {
        fFirstThread = !fTaken;
        fTaken = true;
    }
    static bool fExit;
    if (fFirstThread)
    {
        fShutdown = true;
        nTransactionsUpdated++;
        DBFlush(false);
        StopNode();
        DBFlush(true);
        CreateThread(ExitTimeout, NULL);
        Sleep(50);
        printf("Bitcoin exiting\n\n");
        fExit = true;
        exit(0);
    }
    else
    {
        while (!fExit)
            Sleep(500);
        Sleep(100);
        ExitThread(0);
    }
}






//////////////////////////////////////////////////////////////////////////////
//
// Startup folder
//

#ifdef __WXMSW__
string StartupShortcutPath()
{
    return MyGetSpecialFolderPath(CSIDL_STARTUP, true) + "\\Bitcoin.lnk";
}

bool GetStartOnSystemStartup()
{
    return filesystem::exists(StartupShortcutPath().c_str());
}

void SetStartOnSystemStartup(bool fAutoStart)
{
    // If the shortcut exists already, remove it for updating
    remove(StartupShortcutPath().c_str());

    if (fAutoStart)
    {
        CoInitialize(NULL);

        // Get a pointer to the IShellLink interface.
        IShellLink* psl = NULL;
        HRESULT hres = CoCreateInstance(CLSID_ShellLink, NULL,
                                CLSCTX_INPROC_SERVER, IID_IShellLink,
                                reinterpret_cast<void**>(&psl));

        if (SUCCEEDED(hres))
        {
            // Get the current executable path
            TCHAR pszExePath[MAX_PATH];
            GetModuleFileName(NULL, pszExePath, sizeof(pszExePath));

            // Set the path to the shortcut target
            psl->SetPath(pszExePath);
            PathRemoveFileSpec(pszExePath);
            psl->SetWorkingDirectory(pszExePath);
            psl->SetShowCmd(SW_SHOWMINNOACTIVE);

            // Query IShellLink for the IPersistFile interface for
            // saving the shortcut in persistent storage.
            IPersistFile* ppf = NULL;
            hres = psl->QueryInterface(IID_IPersistFile,
                                       reinterpret_cast<void**>(&ppf));
            if (SUCCEEDED(hres))
            {
                WCHAR pwsz[MAX_PATH];
                // Ensure that the string is ANSI.
                MultiByteToWideChar(CP_ACP, 0, StartupShortcutPath().c_str(), -1, pwsz, MAX_PATH);
                // Save the link by calling IPersistFile::Save.
                hres = ppf->Save(pwsz, TRUE);
                ppf->Release();
            }
            psl->Release();
        }
        CoUninitialize();
    }
}

#elif defined(__WXGTK__)

//
// Follow the Desktop Application Autostart Spec:
//  http://standards.freedesktop.org/autostart-spec/autostart-spec-latest.html
//

boost::filesystem::path GetAutostartDir()
{
    namespace fs = boost::filesystem;

    char* pszConfigHome = getenv("XDG_CONFIG_HOME");
    if (pszConfigHome) return fs::path(pszConfigHome) / fs::path("autostart");
    char* pszHome = getenv("HOME");
    if (pszHome) return fs::path(pszHome) / fs::path(".config/autostart");
    return fs::path();
}

boost::filesystem::path GetAutostartFilePath()
{
    return GetAutostartDir() / boost::filesystem::path("bitcoin.desktop");
}

bool GetStartOnSystemStartup()
{
    boost::filesystem::ifstream optionFile(GetAutostartFilePath());
    if (!optionFile.good())
        return false;
    // Scan through file for "Hidden=true":
    string line;
    while (!optionFile.eof())
    {
        getline(optionFile, line);
        if (line.find("Hidden") != string::npos &&
            line.find("true") != string::npos)
            return false;
    }
    optionFile.close();

    return true;
}

void SetStartOnSystemStartup(bool fAutoStart)
{
    if (!fAutoStart)
    {
        unlink(GetAutostartFilePath().native_file_string().c_str());
    }
    else
    {
        boost::filesystem::create_directories(GetAutostartDir());

        boost::filesystem::ofstream optionFile(GetAutostartFilePath(), ios_base::out|ios_base::trunc);
        if (!optionFile.good())
        {
            wxMessageBox(_("Cannot write autostart/bitcoin.desktop file"), "Bitcoin");
            return;
        }
        // Write a bitcoin.desktop file to the autostart directory:
        char pszExePath[MAX_PATH+1];
        memset(pszExePath, 0, sizeof(pszExePath));
        readlink("/proc/self/exe", pszExePath, sizeof(pszExePath)-1);
        optionFile << "[Desktop Entry]\n";
        optionFile << "Type=Application\n";
        optionFile << "Name=Bitcoin\n";
        optionFile << "Exec=" << pszExePath << "\n";
        optionFile << "Terminal=false\n";
        optionFile << "Hidden=false\n";
        optionFile.close();
    }
}
#else

// TODO: OSX startup stuff; see:
// http://developer.apple.com/mac/library/documentation/MacOSX/Conceptual/BPSystemStartup/Articles/CustomLogin.html

bool GetStartOnSystemStartup() { return false; }
void SetStartOnSystemStartup(bool fAutoStart) { }

#endif







//////////////////////////////////////////////////////////////////////////////
//
// CMyApp
//

// Define a new application
class CMyApp : public wxApp
{
public:
    wxLocale m_locale;

    CMyApp(){};
    ~CMyApp(){};
    bool OnInit();
    bool OnInit2();
    int OnExit();

    // Hook Initialize so we can start without GUI
    virtual bool Initialize(int& argc, wxChar** argv);

    // 2nd-level exception handling: we get all the exceptions occurring in any
    // event handler here
    virtual bool OnExceptionInMainLoop();

    // 3rd, and final, level exception handling: whenever an unhandled
    // exception is caught, this function is called
    virtual void OnUnhandledException();

    // and now for something different: this function is called in case of a
    // crash (e.g. dereferencing null pointer, division by 0, ...)
    virtual void OnFatalException();
};

IMPLEMENT_APP(CMyApp)

bool CMyApp::Initialize(int& argc, wxChar** argv)
{
    for (int i = 1; i < argc; i++)
        if (!IsSwitchChar(argv[i][0]))
            fCommandLine = true;

    if (!fCommandLine)
    {
        if (!fGUI)
        {
            fDaemon = true;
        }
        else
        {
            // wxApp::Initialize will remove environment-specific parameters,
            // so it's too early to call ParseParameters yet
            for (int i = 1; i < argc; i++)
            {
                wxString str = argv[i];
                #ifdef __WXMSW__
                if (str.size() >= 1 && str[0] == '/')
                    str[0] = '-';
                char pszLower[MAX_PATH];
                strlcpy(pszLower, str.c_str(), sizeof(pszLower));
                strlwr(pszLower);
                str = pszLower;
                #endif
                if (str == "-daemon")
                    fDaemon = true;
            }
        }
    }

#ifdef __WXGTK__
    if (fDaemon || fCommandLine)
    {
        // Call the original Initialize while suppressing error messages
        // and ignoring failure.  If unable to initialize GTK, it fails
        // near the end so hopefully the last few things don't matter.
        {
            wxLogNull logNo;
            wxApp::Initialize(argc, argv);
        }

        if (fDaemon)
        {
            // Daemonize
            pid_t pid = fork();
            if (pid < 0)
            {
                fprintf(stderr, "Error: fork() returned %d errno %d\n", pid, errno);
                return false;
            }
            if (pid > 0)
                pthread_exit((void*)0);
        }

        return true;
    }
#endif

    return wxApp::Initialize(argc, argv);
}

bool CMyApp::OnInit()
{
    bool fRet = false;
    try
    {
        fRet = OnInit2();
    }
    catch (std::exception& e) {
        PrintException(&e, "OnInit()");
    } catch (...) {
        PrintException(NULL, "OnInit()");
    }
    if (!fRet)
        Shutdown(NULL);
    return fRet;
}

extern int g_isPainting;

bool CMyApp::OnInit2()
{
#ifdef _MSC_VER
    // Turn off microsoft heap dump noise
    _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
    _CrtSetReportFile(_CRT_WARN, CreateFileA("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
#endif
#if _MSC_VER >= 1400
    // Disable confusing "helpful" text message on abort, ctrl-c
    _set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
#endif
#if defined(__WXMSW__) && defined(__WXDEBUG__) && wxUSE_GUI
    // Disable malfunctioning wxWidgets debug assertion
    g_isPainting = 10000;
#endif
#if wxUSE_GUI
    wxImage::AddHandler(new wxPNGHandler);
#endif
#if defined(__WXMSW__ ) || defined(__WXMAC__)
    SetAppName("Bitcoin");
#else
    SetAppName("bitcoin");
#endif
#ifndef __WXMSW__
    umask(077);
#endif
#ifdef __WXMSW__
#if wxUSE_UNICODE
    // Hack to set wxConvLibc codepage to UTF-8 on Windows,
    // may break if wxMBConv_win32 implementation in strconv.cpp changes.
    class wxMBConv_win32 : public wxMBConv
    {
    public:
        long m_CodePage;
        size_t m_minMBCharWidth;
    };
    if (((wxMBConv_win32*)&wxConvLibc)->m_CodePage == CP_ACP)
        ((wxMBConv_win32*)&wxConvLibc)->m_CodePage = CP_UTF8;
#endif
#endif

    // Load locale/<lang>/LC_MESSAGES/bitcoin.mo language file
    m_locale.Init(wxLANGUAGE_DEFAULT, 0);
    m_locale.AddCatalogLookupPathPrefix("locale");
    if (!fWindows)
    {
        m_locale.AddCatalogLookupPathPrefix("/usr/share/locale");
        m_locale.AddCatalogLookupPathPrefix("/usr/local/share/locale");
    }
    m_locale.AddCatalog("wxstd"); // wxWidgets standard translations, if any
    m_locale.AddCatalog("bitcoin");

    //
    // Parameters
    //
    ParseParameters(argc, argv);

    if (mapArgs.count("-datadir"))
        strlcpy(pszSetDataDir, mapArgs["-datadir"].c_str(), sizeof(pszSetDataDir));

    ReadConfigFile(mapArgs, mapMultiArgs); // Must be done after processing datadir

    if (mapArgs.count("-?") || mapArgs.count("--help"))
    {
        wxString strUsage = string() +
          _("Usage:") + "\t\t\t\t\t\t\t\t\t\t\n" +
            "  bitcoin [options]                   \t  " + "\n" +
            "  bitcoin [options] <command> [params]\t  " + _("Send command to -server or bitcoind\n") +
            "  bitcoin [options] <command> -?      \t\t  " + _("Get help for a command\n") +
            "  bitcoin help                        \t\t\t  " + _("List commands\n") +
          _("Options:\n") +
            "  -conf=<file>    \t  " + _("Specify configuration file (default: bitcoin.conf)\n") +
            "  -gen            \t  " + _("Generate coins\n") +
            "  -gen=0          \t  " + _("Don't generate coins\n") +
            "  -min            \t  " + _("Start minimized\n") +
            "  -datadir=<dir>  \t  " + _("Specify data directory\n") +
            "  -proxy=<ip:port>\t  " + _("Connect through socks4 proxy\n") +
            "  -addnode=<ip>   \t  " + _("Add a node to connect to\n") +
            "  -connect=<ip>   \t  " + _("Connect only to the specified node\n") +
            "  -server         \t  " + _("Accept command line and JSON-RPC commands\n") +
            "  -daemon         \t  " + _("Run in the background as a daemon and accept commands\n") +
            "  -?              \t  " + _("This help message\n");

#if defined(__WXMSW__) && wxUSE_GUI
        // Tabs make the columns line up in the message box
        wxMessageBox(strUsage, "Bitcoin", wxOK);
#else
        // Remove tabs
        strUsage.Replace("\t", "");
        fprintf(stderr, "%s", ((string)strUsage).c_str());
#endif
        return false;
    }

    if (mapArgs.count("-debug"))
        fDebug = true;

    if (mapArgs.count("-printtodebugger"))
        fPrintToDebugger = true;

    if (fCommandLine)
    {
        int ret = CommandLineRPC(argc, argv);
        exit(ret);
    }

    if (!fDebug && !pszSetDataDir[0])
        ShrinkDebugFile();
    printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
    printf("Bitcoin version %d.%d.%d%s beta, OS version %s\n", VERSION/10000, (VERSION/100)%100, VERSION%100, pszSubVer, ((string)wxGetOsDescription()).c_str());
    printf("System default language is %d %s\n", m_locale.GetSystemLanguage(), ((string)m_locale.GetSysName()).c_str());
    printf("Language file %s (%s)\n", (string("locale/") + (string)m_locale.GetCanonicalName() + "/LC_MESSAGES/bitcoin.mo").c_str(), ((string)m_locale.GetLocale()).c_str());
    printf("Default data directory %s\n", GetDefaultDataDir().c_str());

    if (mapArgs.count("-loadblockindextest"))
    {
        CTxDB txdb("r");
        txdb.LoadBlockIndex();
        PrintBlockTree();
        return false;
    }

    //
    // Limit to single instance per user
    // Required to protect the database files if we're going to keep deleting log.*
    //
#ifdef __WXMSW__
    // todo: wxSingleInstanceChecker wasn't working on Linux, never deleted its lock file
    //  maybe should go by whether successfully bind port 8333 instead
    wxString strMutexName = wxString("bitcoin_running.") + getenv("HOMEPATH");
    for (int i = 0; i < strMutexName.size(); i++)
        if (!isalnum(strMutexName[i]))
            strMutexName[i] = '.';
    wxSingleInstanceChecker* psingleinstancechecker = new wxSingleInstanceChecker(strMutexName);
    if (psingleinstancechecker->IsAnotherRunning())
    {
        printf("Existing instance found\n");
        unsigned int nStart = GetTime();
        loop
        {
            // TODO: find out how to do this in Linux, or replace with wxWidgets commands
            // Show the previous instance and exit
            HWND hwndPrev = FindWindowA("wxWindowClassNR", "Bitcoin");
            if (hwndPrev)
            {
                if (IsIconic(hwndPrev))
                    ShowWindow(hwndPrev, SW_RESTORE);
                SetForegroundWindow(hwndPrev);
                return false;
            }

            if (GetTime() > nStart + 60)
                return false;

            // Resume this instance if the other exits
            delete psingleinstancechecker;
            Sleep(1000);
            psingleinstancechecker = new wxSingleInstanceChecker(strMutexName);
            if (!psingleinstancechecker->IsAnotherRunning())
                break;
        }
    }
#endif

    // Bind to the port early so we can tell if another instance is already running.
    // This is a backup to wxSingleInstanceChecker, which doesn't work on Linux.
    string strErrors;
    if (!BindListenPort(strErrors))
    {
        wxMessageBox(strErrors, "Bitcoin");
        return false;
    }

    //
    // Load data files
    //
    if (fDaemon)
        fprintf(stdout, "bitcoin server starting\n");
    strErrors = "";
    int64 nStart;

    printf("Loading addresses...\n");
    nStart = GetTimeMillis();
    if (!LoadAddresses())
        strErrors += _("Error loading addr.dat      \n");
    printf(" addresses   %15"PRI64d"ms\n", GetTimeMillis() - nStart);

    printf("Loading block index...\n");
    nStart = GetTimeMillis();
    if (!LoadBlockIndex())
        strErrors += _("Error loading blkindex.dat      \n");
    printf(" block index %15"PRI64d"ms\n", GetTimeMillis() - nStart);

    printf("Loading wallet...\n");
    nStart = GetTimeMillis();
    bool fFirstRun;
    if (!LoadWallet(fFirstRun))
        strErrors += _("Error loading wallet.dat      \n");
    printf(" wallet      %15"PRI64d"ms\n", GetTimeMillis() - nStart);

    printf("Done loading\n");

        //// debug print
        printf("mapBlockIndex.size() = %d\n",   mapBlockIndex.size());
        printf("nBestHeight = %d\n",            nBestHeight);
        printf("mapKeys.size() = %d\n",         mapKeys.size());
        printf("mapPubKeys.size() = %d\n",      mapPubKeys.size());
        printf("mapWallet.size() = %d\n",       mapWallet.size());
        printf("mapAddressBook.size() = %d\n",  mapAddressBook.size());

    if (!strErrors.empty())
    {
        wxMessageBox(strErrors, "Bitcoin");
        return false;
    }

    // Add wallet transactions that aren't already in a block to mapTransactions
    ReacceptWalletTransactions();

    //
    // Parameters
    //
    if (mapArgs.count("-printblockindex") || mapArgs.count("-printblocktree"))
    {
        PrintBlockTree();
        return false;
    }

    if (mapArgs.count("-printblock"))
    {
        string strMatch = mapArgs["-printblock"];
        int nFound = 0;
        for (map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.begin(); mi != mapBlockIndex.end(); ++mi)
        {
            uint256 hash = (*mi).first;
            if (strncmp(hash.ToString().c_str(), strMatch.c_str(), strMatch.size()) == 0)
            {
                CBlockIndex* pindex = (*mi).second;
                CBlock block;
                block.ReadFromDisk(pindex);
                block.BuildMerkleTree();
                block.print();
                printf("\n");
                nFound++;
            }
        }
        if (nFound == 0)
            printf("No blocks matching %s were found\n", strMatch.c_str());
        return false;
    }

    if (mapArgs.count("-gen"))
    {
        if (mapArgs["-gen"].empty())
            fGenerateBitcoins = true;
        else
            fGenerateBitcoins = (atoi(mapArgs["-gen"].c_str()) != 0);
    }

    if (mapArgs.count("-proxy"))
    {
        fUseProxy = true;
        addrProxy = CAddress(mapArgs["-proxy"]);
        if (!addrProxy.IsValid())
        {
            wxMessageBox(_("Invalid -proxy address"), "Bitcoin");
            return false;
        }
    }

    if (mapArgs.count("-addnode"))
    {
        foreach(string strAddr, mapMultiArgs["-addnode"])
        {
            CAddress addr(strAddr, NODE_NETWORK);
            addr.nTime = 0; // so it won't relay unless successfully connected
            if (addr.IsValid())
                AddAddress(addr);
        }
    }

    //
    // Create the main window and start the node
    //
    if (!fDaemon)
        CreateMainWindow();

    if (!CheckDiskSpace())
        return false;

    RandAddSeedPerfmon();

    if (!CreateThread(StartNode, NULL))
        wxMessageBox("Error: CreateThread(StartNode) failed", "Bitcoin");

    if (mapArgs.count("-server") || fDaemon)
        CreateThread(ThreadRPCServer, NULL);

    if (fFirstRun)
        SetStartOnSystemStartup(true);

    return true;
}

int CMyApp::OnExit()
{
    Shutdown(NULL);
    return wxApp::OnExit();
}

bool CMyApp::OnExceptionInMainLoop()
{
    try
    {
        throw;
    }
    catch (std::exception& e)
    {
        PrintException(&e, "CMyApp::OnExceptionInMainLoop()");
        wxLogWarning("Exception %s %s", typeid(e).name(), e.what());
        Sleep(1000);
        throw;
    }
    catch (...)
    {
        PrintException(NULL, "CMyApp::OnExceptionInMainLoop()");
        wxLogWarning("Unknown exception");
        Sleep(1000);
        throw;
    }
    return true;
}

void CMyApp::OnUnhandledException()
{
    // this shows how we may let some exception propagate uncaught
    try
    {
        throw;
    }
    catch (std::exception& e)
    {
        PrintException(&e, "CMyApp::OnUnhandledException()");
        wxLogWarning("Exception %s %s", typeid(e).name(), e.what());
        Sleep(1000);
        throw;
    }
    catch (...)
    {
        PrintException(NULL, "CMyApp::OnUnhandledException()");
        wxLogWarning("Unknown exception");
        Sleep(1000);
        throw;
    }
}

void CMyApp::OnFatalException()
{
    wxMessageBox(_("Program has crashed and will terminate.  "), "Bitcoin", wxOK | wxICON_ERROR);
}