void __cdecl main()

in src/native/windows/apps/prunsrv/prunsrv.c [2019:2199]
164 lines of code
48 McCabe index (conditional complexity)

void __cdecl main(int argc, char **argv)
{
    UINT rv = 0;

    LPAPXCMDLINE lpCmdline;

    if (argc > 1) {
        DWORD ss = 0;
        if (strncmp(argv[1], "//PP", 4) == 0) {
            /* Handy sleep routine defaulting to 1 minute */
            if (argv[1][4] && argv[1][5] && argv[1][6]) {
                int us = atoi(argv[1] + 6);
                if (us > 0)
                    ss = (DWORD)us;
            }
            Sleep(ss * 1000);
            ExitProcess(0);
            return;
        }
        else if (strcmp(argv[1], "pause") == 0) {
            /* Handy sleep routine defaulting to 1 minute */
            if (argc > 2) {
                int us = atoi(argv[2]);
                if (us > 0)
                    ss = (DWORD)us;
            }
        }
        if (ss) {
            Sleep(ss * 1000);
            ExitProcess(0);
            return;
        }
    }
    apxHandleManagerInitialize();
    /* Create the main Pool */
    gPool = apxPoolCreate(NULL, 0);

    /* Parse the command line */
    if ((lpCmdline = apxCmdlineParse(gPool, _options, _commands, _altcmds)) == NULL) {
        apxLogWrite(APXLOG_MARK_ERROR "Invalid command line arguments.");
        rv = 1;
        goto cleanup;
    }
    apxCmdlineLoadEnvVars(lpCmdline);
    if (lpCmdline->dwCmdIndex < 6) {
        if (!loadConfiguration(lpCmdline) &&
            lpCmdline->dwCmdIndex < 5) {
            apxLogWrite(APXLOG_MARK_ERROR "Load configuration failed.");
            rv = 2;
            goto cleanup;
        }
    }

    /* Only configure logging to a file when running as a service */
    if (lpCmdline->dwCmdIndex == 2) {
        apxLogOpen(gPool, SO_LOGPATH, SO_LOGPREFIX, SO_LOGROTATE);
        apxLogLevelSetW(NULL, SO_LOGLEVEL);
        apxLogWrite(APXLOG_MARK_DEBUG "Apache Commons Daemon procrun log initialized.");
        if (SO_LOGROTATE) {
            apxLogWrite(APXLOG_MARK_DEBUG "Log will rotate each %d seconds.", SO_LOGROTATE);
        }
    } else {
        /* Not running as a service, just set the log level */
        apxLogLevelSetW(NULL, SO_LOGLEVEL);
    }
    apxLogWrite(APXLOG_MARK_INFO "Apache Commons Daemon procrun (%s %d-bit) started.",
                PRG_VERSION, PRG_BITS);

    AplZeroMemory(&gStdwrap, sizeof(APX_STDWRAP));
    gStartPath = lpCmdline->szExePath;
    gStdwrap.szLogPath = SO_LOGPATH;
    /* Only redirect when running as a service */
    if (lpCmdline->dwCmdIndex == 2) {
        gStdwrap.szStdOutFilename = SO_STDOUTPUT;
        gStdwrap.szStdErrFilename = SO_STDERROR;
    }
    redirectStdStreams(&gStdwrap, lpCmdline);
    if (lpCmdline->dwCmdIndex == 2) {
        SYSTEMTIME t;
        GetLocalTime(&t);
        fprintf(stdout, "\n%d-%02d-%02d %02d:%02d:%02d "
                        "Apache Commons Daemon procrun stdout initialized.\n",
                        t.wYear, t.wMonth, t.wDay,
                        t.wHour, t.wMinute, t.wSecond);
        fprintf(stderr, "\n%d-%02d-%02d %02d:%02d:%02d "
                        "Apache Commons Daemon procrun stderr initialized.\n",
                        t.wYear, t.wMonth, t.wDay,
                        t.wHour, t.wMinute, t.wSecond);
    }

    if (lpCmdline->dwCmdIndex > 2 && lpCmdline->dwCmdIndex < 8) {
        /* Command requires elevation */
        BOOL bElevated;
        if (!isRunningAsAdministrator(&bElevated)) {
            apxDisplayError(FALSE, NULL, 0, "Unable to determine if process has administrator privileges. Continuing as if it has.\n");
        } else {
            if (!bElevated) {
                DWORD dwExitCode;
                if (!restartCurrentProcessWithElevation(&dwExitCode)) {
                    apxDisplayError(FALSE, NULL, 0, "Failed to elevate current process.\n");
                    rv = lpCmdline->dwCmdIndex + 2;
                } else {
                    if (dwExitCode) {
                        apxDisplayError(FALSE, NULL, 0, "Running from a command prompt with administrative privileges may show further error details.\n");
                    }
                    rv = dwExitCode;
                }
                goto cleanup;
            }
        }
    }
    switch (lpCmdline->dwCmdIndex) {
        case 1: /* Run Service as console application */
            if (!docmdDebugService(lpCmdline))
                rv = 3;
        break;
        case 2: /* Run Service */
            if (!docmdRunService(lpCmdline))
                rv = 4;
        break;
        case 3: /* Start service - requires elevation */
            if (!docmdStartService(lpCmdline))
                rv = 5;
        break;
        case 4: /* Stop Service - requires elevation */
            if (!docmdStopService(lpCmdline))
                rv = 6;
        break;
        case 5: /* Update Service parameters  - requires elevation */
            if (!docmdUpdateService(lpCmdline))
                rv = 7;
        break;
        case 6: /* Install Service - requires elevation */
            if (!docmdInstallService(lpCmdline))
                rv = 8;
        break;
        case 7: /* Delete Service  - requires elevation */
            if (!docmdDeleteService(lpCmdline))
                rv = 9;
        break;
        case 8: /* Print Configuration and exit */
            printConfig(lpCmdline);
        break;
        case 9: /* Print Usage and exit */
            printUsage(lpCmdline, TRUE);
        break;
        case 10: /* Print version and exit */
            printVersion();
        break;
        default:
            /* Unknown command option */
            apxLogWrite(APXLOG_MARK_ERROR "Unknown command line option.");
            printUsage(lpCmdline, FALSE);
            rv = 99;
        break;
    }

cleanup:
    if (rv) {
        int ix = 0;
        if (rv > 0 && rv < 10)
            ix = rv;
        apxLogWrite(APXLOG_MARK_ERROR "Apache Commons Daemon procrun failed "
                                      "with exit value: %d (failed to %s).",
                                      rv, gSzProc[ix]);
        if (ix > 2 && !_service_mode) {
            /* Print something to the user console */
            apxDisplayError(FALSE, NULL, 0, "Failed to %s.\n", gSzProc[ix]);
        }
    }
    else
        apxLogWrite(APXLOG_MARK_INFO "Apache Commons Daemon procrun finished.");
    if (lpCmdline)
        apxCmdlineFree(lpCmdline);
    _service_status_handle = NULL;
    _service_mode = FALSE;
    _flushall();
    apxLogClose(NULL);
    apxHandleManagerDestroy();
    ExitProcess(rv);
}