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# -*- coding: utf-8 -*-
import time # for sleep()
import gobject
import dbus
import dbus.service
from dbus.mainloop.glib import DBusGMainLoop
from dbus.exceptions import *
import ABRTExceptions
from abrt_utils import _, log, log1, log2
ABRTD_DBUS_NAME = 'com.redhat.abrt'
ABRTD_DBUS_PATH = '/com/redhat/abrt'
ABRTD_DBUS_IFACE = 'com.redhat.abrt'
APP_NAME = 'com.redhat.abrt.gui'
APP_PATH = '/com/redhat/abrt/gui'
APP_IFACE = 'com.redhat.abrt.gui'
class DBusManager(gobject.GObject):
""" Class to provide communication with daemon over dbus """
# and later with policyKit
bus = None
def __init__(self):
session = None
# binds the dbus to glib mainloop
DBusGMainLoop(set_as_default=True)
class DBusInterface(dbus.service.Object):
def __init__(self, dbusmanager):
self.dbusmanager = dbusmanager
dbus.service.Object.__init__(self, dbus.SessionBus(), APP_PATH)
@dbus.service.method(dbus_interface=APP_IFACE)
def show(self):
self.dbusmanager.emit("show")
try:
session = dbus.SessionBus()
except Exception:
# probably run after "$ su"
pass
if session:
try:
app_proxy = session.get_object(APP_NAME, APP_PATH)
app_iface = dbus.Interface(app_proxy, dbus_interface=APP_IFACE)
# app is running, so make it show it self
app_iface.show()
raise ABRTExceptions.IsRunning()
except DBusException, e:
# cannot create proxy or call the method => gui is not running
pass
gobject.GObject.__init__(self)
# signal emited when new crash is detected
gobject.signal_new("crash", self, gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING,))
# signal emited when new analyze is complete
gobject.signal_new("analyze-complete", self, gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,))
# signal emited when smth fails
gobject.signal_new("abrt-error", self, gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,))
gobject.signal_new("warning", self, gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,))
# signal emited to update gui with current status
gobject.signal_new("update", self, gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,))
# signal emited to show gui if user try to run it again
gobject.signal_new("show_gui", self, gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ())
gobject.signal_new("daemon-state-changed", self, gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,))
gobject.signal_new("report-done", self, gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,))
# export the app dbus interface
if session:
session.request_name(APP_NAME)
iface = DBusInterface(self)
self.bus = dbus.SystemBus()
if not self.bus:
raise Exception(_("Cannot connect to system dbus."))
self.bus.add_signal_receiver(self.owner_changed_cb, "NameOwnerChanged", dbus_interface="org.freedesktop.DBus")
# new crash notification
self.bus.add_signal_receiver(self.crash_cb, "Crash", dbus_interface=ABRTD_DBUS_IFACE)
# watch for updates
self.bus.add_signal_receiver(self.update_cb, "Update", dbus_interface=ABRTD_DBUS_IFACE)
# watch for warnings
self.bus.add_signal_receiver(self.warning_cb, "Warning", dbus_interface=ABRTD_DBUS_IFACE)
# watch for job-done signals
self.bus.add_signal_receiver(self.jobdone_cb, "JobDone", dbus_interface=ABRTD_DBUS_IFACE)
# We use this function instead of caching and reusing of
# dbus.Interface(proxy, dbus_interface=ABRTD_DBUS_IFACE) because we want
# to restart abrtd in this scenario:
# (1) abrt-gui was run
# (2) user generated the report, then left for coffee break
# (3) abrtd exited on inactivity timeout
# (4) user returned and wants to submit the report
# for (4) to restart abrtd, we must recreate proxy and daemon
def daemon(self):
if not self.bus:
self.bus = dbus.SystemBus()
if not self.bus:
raise Exception(_("Cannot connect to system dbus."))
# Autostart hack
# Theoretically, this is not needed, the first dbus call
# should autostart daemon if needed. In practice,
# without this code autostart is not reliable.
# Update: fixed the problem on daemon side,
# but retaining this code for now. More stability won't hurt us...
try:
(always_true, rc) = self.bus.start_service_by_name(ABRTD_DBUS_NAME, flags=0)
# rc is either self.bus.START_REPLY_SUCCESS or self.bus.START_REPLY_ALREADY_RUNNING
if rc == self.bus.START_REPLY_SUCCESS:
# Better solution may be to have daemon emit a signal and wait for it
log1("dbus auto-started abrt daemon, giving it 1 sec to initialize")
time.sleep(1)
except DBusException:
raise Exception("abrt daemon is not running, and DBus can't start it")
# End of autostart hack
try:
# follow_name_owner_changes=True: switch to new daemon if daemon is restarted
proxy = self.bus.get_object(ABRTD_DBUS_NAME, ABRTD_DBUS_PATH, introspect=False, follow_name_owner_changes=True)
except DBusException:
raise Exception("Can't connect to abrt daemon")
if not proxy:
raise Exception(_("Please check if the abrt daemon is running."))
daemon = dbus.Interface(proxy, dbus_interface=ABRTD_DBUS_IFACE)
if not daemon:
raise Exception(_("Please check if the abrt daemon is running."))
return daemon
# # disconnect callback
# def disconnected(self, *args):
# print "disconnect"
def error_handler_cb(self, error):
self.emit("abrt-error", error)
def warning_handler_cb(self, arg):
self.emit("warning", arg)
def error_handler(self, arg):
# used to silently ingore dbus timeouts
pass
def dummy(self, *args):
# dummy function for async method call to workaround the timeout
pass
def crash_cb(self, package, uuid, crashdir, uid="",):
self.emit("crash", package, uuid, uid)
def update_cb(self, message):
log1("Update:%s", message)
self.emit("update", message)
def warning_cb(self, message):
log1("Warning:%s", message)
self.emit("warning", message)
def owner_changed_cb(self, name, old_owner, new_owner):
if name == ABRTD_DBUS_NAME:
if new_owner:
self.emit("daemon-state-changed", "up")
else:
self.emit("daemon-state-changed", "down")
def jobdone_cb(self):
log1("Our job for crash_id %s is done", self.job_crash_id)
report = self.daemon().CreateReport(self.job_crash_id)
if report:
self.emit("analyze-complete", report)
else:
# FIXME: BUG: BarWindow remains. (how2reproduce: delete "component" in a dump dir and try to report it)
self.emit("abrt-error", _("Daemon did not return a valid report info.\nIs debuginfo missing?"))
def report_done(self, result):
self.emit("report-done", result)
def start_job(self, crash_id, force=0):
# 2nd param is "force recreating of backtrace etc"
self.daemon().StartJob(crash_id, force, timeout=60)
self.job_crash_id = crash_id
def Report(self, report, reporters, reporters_settings = None):
# map < Plugin_name vec <status, message> >
# daemon expects plugin names, not the objects
reporters_names = [str(reporter) for reporter in reporters]
# Timeout needs to be BIG: some reporters upload stuff over Internet,
# and uploading of, say, 200meg+ file can easily take ten minutes or more.
if reporters_settings:
self.daemon().Report(report, reporters_names, reporters_settings, reply_handler=self.report_done, error_handler=self.error_handler_cb, timeout=3600)
else:
self.daemon().Report(report, reporters_names, reply_handler=self.report_done, error_handler=self.error_handler_cb, timeout=3600)
def DeleteDebugDump(self, crash_id):
return self.daemon().DeleteDebugDump(crash_id)
def getDumps(self):
row_dict = None
rows = []
# FIXME check the arguments
for row in self.daemon().GetCrashInfos():
row_dict = {}
for column in row:
row_dict[column] = row[column]
rows.append(row_dict)
return rows
def getPluginsInfo(self):
return self.daemon().GetPluginsInfo()
def getPluginSettings(self, plugin_name):
settings = self.daemon().GetPluginSettings(plugin_name)
return settings
def getSettings(self):
return self.daemon().GetSettings()
### looks unused to me.
### Ok to grep for setSettings and delete after 2011-04-01.
### def setSettings(self, settings):
### # FIXME: STUB!!!!
### log1("setSettings stub")
### retval = self.daemon().SetSettings(self.daemon().GetSettings())
### print ">>>", retval
def __del__(self):
log1("CCDBusBackend is about to be deleted")
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