NNTPGrab

/* 

    Copyright (C) 2005-2010  Erik van Pienbroek

    This program is free software; you can redistribute it and/or modify

    it under the terms of the GNU General Public License as published by

    the Free Software Foundation; either version 2 of the License, or

    (at your option) any later version.

    This program is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License

    along with this program; if not, write to the Free Software

    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include 

#include 

#include 

#include "nntpgrab_utils.h"

#ifdef HAVE_SOUP

#include 

#endif

#ifdef HAVE_SOUP_GNOME

#include 

#endif

#if defined(WIN32) && GLIB_CHECK_VERSION(2,27,1)

#include 

#include 

#endif

NGTypeInstance*   ng_type_check_instance_cast   (NGTypeInstance      *instance,

                                                 NGType               iface_type)

{

    return (NGTypeInstance*) g_type_check_instance_cast((GTypeInstance*) instance, (GType) iface_type);

}

#if defined(WIN32) && GLIB_CHECK_VERSION(2,27,1)

static gchar *

get_special_folder (int csidl)

{

    wchar_t path[MAX_PATH+1];

    HRESULT hr;

    LPITEMIDLIST pidl = NULL;

    BOOL b;

    gchar *retval = NULL;

    hr = SHGetSpecialFolderLocation (NULL, csidl, &pidl);

    if (hr == S_OK) {

        b = SHGetPathFromIDListW (pidl, path);

        if (b)

            retval = g_utf16_to_utf8 (path, -1, NULL, NULL, NULL);

        CoTaskMemFree (pidl);

    }

    return retval;

}

static void

move_win32_configuration_files_if_necessary(void)

{

    char *appdata_dir = get_special_folder (CSIDL_APPDATA);

    char *config_dir = g_build_path(G_DIR_SEPARATOR_S, appdata_dir, "NNTPGrab", NULL);

    if (g_file_test(config_dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {

        char *config_dir_new = g_build_path(G_DIR_SEPARATOR_S, g_get_user_config_dir(), "NNTPGrab", NULL);

        g_rename(config_dir, config_dir_new);

        g_free(config_dir_new);

    }

    g_free(config_dir);

    g_free(appdata_dir);

}

#endif

#ifdef _MSC_VER

static void AppInvalidParameterHandler(const wchar_t* expression, const wchar_t* function, const wchar_t* file, unsigned int line, uintptr_t pReserved)

{

    fprintf(stderr, "Invalid parameter detected in function %s. File: %s Line: %d\n", function, file, line);

    fprintf(stderr, "Expression: %s\n", expression);

    /* Cause a Debug Breakpoint */

    DebugBreak();

}

#endif

void nntpgrab_utils_perform_base_initialization(void)

{

#if defined(WIN32) || defined(DARWIN)

    char *dirname;

    char *dirname2;

    WORD wVersionRequested;

    WSADATA wsaData;

    int ret;

#ifdef _MSC_VER

    _set_invalid_parameter_handler(AppInvalidParameterHandler);

#else

    /* exchndl.dll is part of Dr. MinGW. By loading this DLL, every time the 

     * program crashes a .RPT file will be created containing the backtrace */

    LoadLibraryA("exchndl.dll");

#endif

    /* Initialise Winsock */

    wVersionRequested = MAKEWORD(2, 2);

    ret = WSAStartup(wVersionRequested, &wsaData);

    if (ret != 0) {

        /* Tell the user that we could not find a usable */

        /* WinSock DLL. */

        g_error(_("Winsock could not be initialised"));

        return;

    }

    /* Confirm that the WinSock DLL supports 2.2. */

    /* Note that if the DLL supports versions greater */

    /* than 2.2 in addition to 2.2, it will still return */

    /* 2.2 in wVersion since that is the version we */

    /* requested. */

    if (LOBYTE( wsaData.wVersion ) != 2 ||

        HIBYTE( wsaData.wVersion ) != 2) {

        /* Tell the user that we could not find a usable */

        /* WinSock DLL. */

        WSACleanup();

        g_error(_("Winsock 2.2 or higher is required for this program"));

        return;

    }

#endif

    if (!g_thread_supported ()) g_thread_init (NULL);

    g_type_init();

#ifdef DARWIN

    dirname = g_get_current_dir();

    dirname2 = g_build_path(G_DIR_SEPARATOR_S, dirname, "../share/locale", NULL);

    bindtextdomain (GETTEXT_PACKAGE, dirname2);

    g_free(dirname2);

    g_free(dirname);

#elif defined(WIN32)

    dirname = g_win32_get_package_installation_directory_of_module(NULL);

    dirname2 = g_build_path(G_DIR_SEPARATOR_S, dirname, "\\share\\locale", NULL);

    bindtextdomain (GETTEXT_PACKAGE, dirname2);

    g_free(dirname2);

#else

    bindtextdomain (GETTEXT_PACKAGE, NNTPGRABLOCALEDIR);

#endif

    bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");

    textdomain (GETTEXT_PACKAGE);

#ifdef HAVE_SOUP

    /* Due to a bug in libsoup we need to make sure that all GObject's 

     * are initialized from the main thread to avoid a deadlock when libsoup

     * is called for the first time from a different thread */

    SoupSession *session = soup_session_sync_new();

#if 0 

    SoupLogger *logger = soup_logger_new(SOUP_LOGGER_LOG_BODY, -1);

    soup_session_add_feature(session, SOUP_SESSION_FEATURE(logger));

    g_object_unref(logger);

#endif

#ifdef HAVE_SOUP_GNOME

    /* Enable proxy support when using GNOME 2.26.0 or higher */

    soup_session_add_feature_by_type(session, SOUP_TYPE_GNOME_FEATURES_2_26);

#endif

#ifdef HAVE_SOUP_GZIP

    /* Enable gzip compression */

    soup_session_add_feature_by_type(session, SOUP_TYPE_CONTENT_DECODER);

#endif

    g_object_unref(session);

#endif

#if defined(WIN32) && GLIB_CHECK_VERSION(2,27,1)

    /* As of GLib 2.27.1 the return value of the function g_get_user_data_dir() 

     * was changed to return CSIDL_LOCAL_APPDATA instead of CSIDL_APPDATA on Win32.

     * To prevent a broken NNTPGrab configuration, check if there are configuration

     * files at the old path and move them to the new location if necessary */

    move_win32_configuration_files_if_necessary();

#endif

}