path: root/tools/killev.c

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>  
 *
 *
 * Authors:
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/wait.h>

#include <bonobo/bonobo-exception.h>
#include <bonobo-activation/bonobo-activation.h>
#include <glib/gi18n.h>
#include <libgnome/gnome-util.h>

typedef struct {
    char *location;
    GPtrArray *names;
} KillevComponent;

static GSList *languages = NULL;
static GHashTable *components;

static gboolean
kill_process (const char *proc_name, KillevComponent *comp)
{
    int status, i;
    char *command;
    GString *desc;

    command = g_strdup_printf (KILL_PROCESS_CMD " -0 %s 2> /dev/null",
                   proc_name);
    status = system (command);
    g_free (command);

    if (status == -1 || !WIFEXITED (status)) {
        /* This most likely means that KILL_PROCESS_CMD wasn't
         * found, so just bail completely.
         */
        fprintf (stderr, _("Could not execute '%s': %s\n"),
             KILL_PROCESS_CMD, strerror (errno));
        exit (1);
    }

    if (WEXITSTATUS (status) != 0)
        return FALSE;

    desc = g_string_new (NULL);
    for (i = 0; i < comp->names->len; i++) {
        if (i > 0)
            g_string_append (desc, " / ");
        g_string_append (desc, comp->names->pdata[i]);
    }

    printf (_("Shutting down %s (%s)\n"), proc_name, desc->str);
    g_string_free (desc, TRUE);
    command = g_strdup_printf (KILL_PROCESS_CMD " -9 %s 2> /dev/null",
                   proc_name);
    system (command);
    g_free (command);
    return TRUE;
}

static const char *patterns[] = {
    "%s", "%.16s", "lt-%s", "lt-%.13s"
};
static const int n_patterns = G_N_ELEMENTS (patterns);

static void
kill_component (KillevComponent *comp)
{
    char *base_name, *exe_name, *dash;
    int i;

    base_name = g_strdup (comp->location);
 try_again:
    for (i = 0; i < n_patterns; i++) {
        exe_name = g_strdup_printf (patterns[i], base_name);
        if (kill_process (exe_name, comp)) {
            g_free (exe_name);
            g_free (base_name);
            return;
        }
        g_free (exe_name);
    }

    dash = strrchr (base_name, '-');
    if (dash && !strcmp (dash + 1, BASE_VERSION)) {
        *dash = '\0';
        goto try_again;
    }

    g_free (base_name);
}

static void
add_matching_query (const char *query)
{
    Bonobo_ServerInfoList *info_list;
    Bonobo_ServerInfo *info;
    CORBA_Environment ev;
    const char *location, *name;
    KillevComponent *comp;
    int i;

    CORBA_exception_init (&ev);

    info_list = bonobo_activation_query (query, NULL, &ev);
    if (ev._major != CORBA_NO_EXCEPTION) {
        printf ("Bonobo activation failure: %s\n",
            bonobo_exception_get_text (&ev));
        CORBA_exception_free (&ev);
        return;
    }

    for (i = 0; i < info_list->_length; i++) {
        info = &info_list->_buffer[i];

        if (strcmp (info->server_type, "exe") != 0)
            continue;

        location = info->location_info;
        if (strchr (location, '/'))
            location = strrchr (location, '/') + 1;

        comp = g_hash_table_lookup (components, location);
        if (!comp) {
            comp = g_new (KillevComponent, 1);
            comp->location = g_strdup (location);
            comp->names = g_ptr_array_new ();
            g_hash_table_insert (components, comp->location, comp);
        }

        name = bonobo_server_info_prop_lookup (info, "name", languages);
        if (name)
            g_ptr_array_add (comp->names, g_strdup (name));
    }

    CORBA_free (info_list);
    CORBA_exception_free (&ev);
}

static void
add_matching_repo_id (const char *repo_id)
{
    char *query;

    query = g_strdup_printf ("repo_ids.has ('%s')", repo_id);
    add_matching_query (query);
    g_free (query);
}

static void
add_matching_iid (const char *iid)
{
    char *query;

    query = g_strdup_printf ("iid == '%s'", iid);
    add_matching_query (query);
    g_free (query);
}

int
main (int argc, char **argv)
{
    const gchar * const *language_names;

    bindtextdomain (GETTEXT_PACKAGE, EVOLUTION_LOCALEDIR);
    bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
    textdomain (GETTEXT_PACKAGE);

    gnome_program_init (PACKAGE, VERSION, LIBGNOME_MODULE, argc, argv,
                GNOME_PROGRAM_STANDARD_PROPERTIES,
                NULL);

    language_names = g_get_language_names ();
    while (*language_names != NULL)
        languages = g_slist_append (
                        languages, (gpointer) *language_names++);

    components = g_hash_table_new_full (
        g_str_hash, g_str_equal,
        (GDestroyNotify) NULL,
        (GDestroyNotify) kill_component);

    add_matching_repo_id ("IDL:GNOME/Evolution/Shell:" BASE_VERSION);
    g_hash_table_remove_all (components);

    add_matching_repo_id ("IDL:GNOME/Evolution/Component:" BASE_VERSION);
    add_matching_repo_id ("IDL:GNOME/Evolution/DataServer/CalFactory:" DATASERVER_API_VERSION);
    add_matching_repo_id ("IDL:GNOME/Evolution/DataServer/BookFactory:" DATASERVER_API_VERSION);
    add_matching_repo_id ("IDL:GNOME/Evolution/Importer:" BASE_VERSION);
    add_matching_repo_id ("IDL:GNOME/Evolution/IntelligentImporter:" BASE_VERSION);

    add_matching_iid ("OAFIID:GNOME_Evolution_Calendar_AlarmNotify_Factory:" BASE_VERSION);
    add_matching_iid ("OAFIID:GNOME_GtkHTML_Editor_Factory:3.1");
    g_hash_table_remove_all (components);

    g_hash_table_destroy (components);

    return 0;
}