projects / collecty.git / blame
| Commit | Line | Data |
|---|---|---|
| f37913e8 | 1 | #!/usr/bin/python3 |
| c968f6d9 MT |
2 | ############################################################################### |
| 3 | # # | |
| 4 | # collecty - A system statistics collection daemon for IPFire # | |
| 5 | # Copyright (C) 2015 IPFire development team # | |
| 6 | # # | |
| 7 | # This program is free software: you can redistribute it and/or modify # | |
| 8 | # it under the terms of the GNU General Public License as published by # | |
| 9 | # the Free Software Foundation, either version 3 of the License, or # | |
| 10 | # (at your option) any later version. # | |
| 11 | # # | |
| 12 | # This program is distributed in the hope that it will be useful, # | |
| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
| 15 | # GNU General Public License for more details. # | |
| 16 | # # | |
| 17 | # You should have received a copy of the GNU General Public License # | |
| 18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
| 19 | # # | |
| 20 | ############################################################################### | |
| 21 | ||
| 22 | import dbus | |
| 23 | import dbus.mainloop.glib | |
| 24 | import dbus.service | |
| f37913e8 MT |
25 | import gi.repository.GLib |
| 26 | import gi.repository.GObject | |
| c968f6d9 MT |
27 | import threading |
| 28 | ||
| f37913e8 MT |
29 | from .constants import * |
| 30 | from .i18n import _ | |
| c968f6d9 MT |
31 | |
| 32 | import logging | |
| 33 | log = logging.getLogger("collecty.bus") | |
| 34 | log.propagate = 1 | |
| 35 | ||
| c968f6d9 MT |
36 | class Bus(threading.Thread): |
| 37 | def __init__(self, collecty): | |
| 38 | threading.Thread.__init__(self) | |
| 39 | self.daemon = True | |
| 40 | ||
| 41 | self.collecty = collecty | |
| 42 | ||
| 43 | # Initialise the main loop | |
| f37913e8 MT |
44 | gi.repository.GObject.threads_init() |
| 45 | dbus.mainloop.glib.threads_init() | |
| 46 | dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) | |
| 47 | ||
| 48 | self.loop = gi.repository.GLib.MainLoop() | |
| c968f6d9 MT |
49 | |
| 50 | # Register the GraphGenerator interface | |
| 51 | self.generator = GraphGenerator(self.collecty) | |
| 52 | ||
| 53 | def run(self): | |
| 54 | log.debug(_("Bus thread has started")) | |
| 55 | ||
| 56 | # Run the main loop | |
| f37913e8 MT |
57 | try: |
| 58 | self.loop.run() | |
| 59 | except KeyboardInterrupt: | |
| 60 | self.collecty.shutdown() | |
| 61 | ||
| 62 | log.debug(_("Bus thread has ended")) | |
| c968f6d9 MT |
63 | |
| 64 | def shutdown(self): | |
| 65 | log.debug(_("Stopping bus thread")) | |
| 66 | ||
| 67 | # End the main loop | |
| 68 | self.loop.quit() | |
| 69 | ||
| 70 | # Return when this thread has finished | |
| 71 | return self.join() | |
| 72 | ||
| 73 | ||
| 74 | class GraphGenerator(dbus.service.Object): | |
| 75 | def __init__(self, collecty): | |
| 76 | bus_name = dbus.service.BusName(BUS_DOMAIN, bus=dbus.SystemBus()) | |
| 77 | dbus.service.Object.__init__(self, bus_name, "/%s" % self.__class__.__name__) | |
| 78 | ||
| 79 | self.collecty = collecty | |
| 80 | ||
| 81 | @dbus.service.method(BUS_DOMAIN, in_signature="sa{sv}", out_signature="ay") | |
| 82 | def GenerateGraph(self, template_name, kwargs): | |
| 83 | """ | |
| 84 | Returns a graph generated from the given template and object. | |
| 85 | """ | |
| 86 | graph = self.collecty.generate_graph(template_name, **kwargs) | |
| 87 | ||
| 88 | return dbus.ByteArray(graph or []) | |
| 89 | ||
| 90 | @dbus.service.method(BUS_DOMAIN, in_signature="", out_signature="as") | |
| 91 | def ListTemplates(self): | |
| 92 | """ | |
| 93 | Returns a list of all available templates | |
| 94 | """ | |
| 95 | return [t.name for t in self.collecty.templates] |