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/*
Copyright (C) 2009 Jiri Moskovcak (jmoskovc@redhat.com)
Copyright (C) 2009 RedHat inc.
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <iostream>
#include <dbus/dbus-shared.h>
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>
#if HAVE_CONFIG_H
#include <config.h>
#endif
#if HAVE_LOCALE_H
#include <locale.h>
#endif
#if ENABLE_NLS
#include <libintl.h>
#define _(S) gettext(S)
#else
#define _(S) (S)
#endif
#include "abrtlib.h"
#include "abrt_dbus.h"
#include "DBusCommon.h"
#include "CCApplet.h"
static CApplet* applet;
static void Crash(DBusMessage* signal)
{
int r;
DBusMessageIter in_iter;
if (!dbus_message_iter_init(signal, &in_iter))
{
/* signal has no parameters */
error_msg("dbus signal %s: parameter type mismatch", __func__);
return;
}
const char* progname;
r = load_val(&in_iter, progname);
if (r != ABRT_DBUS_MORE_FIELDS)
{
error_msg("dbus signal %s: parameter type mismatch", __func__);
return;
}
const char* uid_str;
r = load_val(&in_iter, uid_str);
if (r != ABRT_DBUS_LAST_FIELD)
{
error_msg("dbus signal %s: parameter type mismatch", __func__);
return;
}
//if (m_pSessionDBus->has_name("com.redhat.abrt.gui"))
// return;
uid_t uid_num = atoi(uid_str);
if (uid_num != getuid())
return;
const char* message = _("A crash in package %s has been detected");
//applet->AddEvent(uid, progname);
applet->SetIconTooltip(message, progname);
applet->ShowIcon();
applet->CrashNotify(message, progname);
}
static void QuotaExceed(DBusMessage* signal)
{
int r;
DBusMessageIter in_iter;
if (!dbus_message_iter_init(signal, &in_iter))
{
/* signal has no parameters */
error_msg("dbus signal %s: parameter type mismatch", __func__);
return;
}
const char* str;
r = load_val(&in_iter, str);
if (r != ABRT_DBUS_LAST_FIELD)
{
error_msg("dbus signal %s: parameter type mismatch", __func__);
return;
}
//if (m_pSessionDBus->has_name("com.redhat.abrt.gui"))
// return;
applet->ShowIcon();
applet->CrashNotify("%s", str);
}
static void NameOwnerChanged(DBusMessage* signal)
{
int r;
DBusMessageIter in_iter;
if (!dbus_message_iter_init(signal, &in_iter))
{
/* signal has no parameters */
error_msg("dbus signal %s: parameter type mismatch", __func__);
return;
}
const char* name;
r = load_val(&in_iter, name);
if (r != ABRT_DBUS_MORE_FIELDS)
{
error_msg("dbus signal %s: parameter type mismatch", __func__);
return;
}
/* We are only interested in (dis)appearances of our daemon */
if (strcmp(name, "com.redhat.abrt") != 0)
return;
const char* old_owner;
r = load_val(&in_iter, old_owner);
if (r != ABRT_DBUS_MORE_FIELDS)
{
error_msg("dbus signal %s: parameter type mismatch", __func__);
return;
}
const char* new_owner;
r = load_val(&in_iter, new_owner);
if (r != ABRT_DBUS_LAST_FIELD)
{
error_msg("dbus signal %s: parameter type mismatch", __func__);
return;
}
if (new_owner[0])
applet->Enable(_("ABRT service has been started"));
else
applet->Disable(_("ABRT service is not running"));
}
static DBusHandlerResult handle_message(DBusConnection* conn, DBusMessage* msg, void* user_data)
{
const char* member = dbus_message_get_member(msg);
log("%s(member:'%s')", __func__, member);
int type = dbus_message_get_type(msg);
if (type != DBUS_MESSAGE_TYPE_SIGNAL)
{
log("The message is not a signal. ignoring");
return DBUS_HANDLER_RESULT_HANDLED;
}
if (strcmp(member, "NameOwnerChanged") == 0)
NameOwnerChanged(msg);
else if (strcmp(member, "Crash") == 0)
Crash(msg);
else if (strcmp(member, "QuotaExceed") == 0)
QuotaExceed(msg);
return DBUS_HANDLER_RESULT_HANDLED;
}
//TODO: move to abrt_dbus.cpp
static void die_if_dbus_error(bool error_flag, DBusError* err, const char* msg)
{
if (dbus_error_is_set(err))
{
error_msg("dbus error: %s", err->message);
/*dbus_error_free(&err); - why bother, we will exit in a microsecond */
error_flag = true;
}
if (!error_flag)
return;
error_msg_and_die("%s", msg);
}
int main(int argc, char** argv)
{
/* I18n */
setlocale(LC_ALL, "");
#if ENABLE_NLS
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
#endif
/* Need to be thread safe */
g_thread_init(NULL);
gdk_threads_init();
gdk_threads_enter();
/* Parse options */
int opt;
while ((opt = getopt(argc, argv, "dv")) != -1)
{
switch (opt)
{
case 'v':
g_verbose++;
break;
default:
error_msg_and_die(
"Usage: abrt-applet [-v]\n"
"\nOptions:"
"\n\t-v\tVerbose"
);
}
}
gtk_init(&argc, &argv);
/* Prevent zombies when we spawn abrt-gui */
signal(SIGCHLD, SIG_IGN);
/* Initialize our (dbus_abrt) machinery: hook _system_ dbus to glib main loop.
* (session bus is left to be handled by libnotify, see below) */
DBusError err;
dbus_error_init(&err);
DBusConnection* system_conn = dbus_bus_get(DBUS_BUS_SYSTEM, &err);
die_if_dbus_error(system_conn == NULL, &err, "Can't connect to system dbus");
attach_dbus_conn_to_glib_main_loop(system_conn);
if (!dbus_connection_add_filter(system_conn, handle_message, NULL, NULL))
error_msg_and_die("Can't add dbus filter");
/* which messages do we want to be fed to handle_message()? */
//signal sender=org.freedesktop.DBus -> path=/org/freedesktop/DBus; interface=org.freedesktop.DBus; member=NameOwnerChanged
// string "com.redhat.abrt"
// string ""
// string ":1.70"
dbus_bus_add_match(system_conn, "type='signal',member='NameOwnerChanged'", &err);
die_if_dbus_error(false, &err, "Can't add dbus match");
//signal sender=:1.73 -> path=/com/redhat/abrt; interface=com.redhat.abrt; member=Crash
// string "coreutils-7.2-3.fc11"
// string "0"
dbus_bus_add_match(system_conn, "type='signal',path='/com/redhat/abrt'", &err);
die_if_dbus_error(false, &err, "Can't add dbus match");
/* Initialize GUI stuff.
* Note: inside CApplet ctor, libnotify hooks session dbus
* to glib main loop */
applet = new CApplet;
/* dbus_abrt cannot handle more than one bus, and we don't really need to.
* The only thing we want to do is to announce ourself on session dbus */
DBusConnection* session_conn = dbus_bus_get(DBUS_BUS_SESSION, &err);
die_if_dbus_error(session_conn == NULL, &err, "Can't connect to session dbus");
int r = dbus_bus_request_name(session_conn,
"com.redhat.abrt.applet",
/* flags */ DBUS_NAME_FLAG_DO_NOT_QUEUE, &err);
die_if_dbus_error(r != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER, &err,
"Problem connecting to dbus, or applet is already running");
/* Show disabled icon if daemon is not running */
if (!dbus_bus_name_has_owner(system_conn, CC_DBUS_NAME, &err))
{
const char* msg = _("ABRT service is not running");
puts(msg);
applet->Disable(msg);
}
/* Enter main loop */
gtk_main();
gdk_threads_leave();
delete applet;
return 0;
}
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