projects / collecty.git / blame
| Commit | Line | Data |
|---|---|---|
| c968f6d9 MT |
1 | #!/usr/bin/python |
| 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 | |
| 25 | import gobject | |
| 26 | import threading | |
| 27 | ||
| 28 | from constants import * | |
| 29 | from i18n import _ | |
| 30 | ||
| 31 | import logging | |
| 32 | log = logging.getLogger("collecty.bus") | |
| 33 | log.propagate = 1 | |
| 34 | ||
| 35 | # Initialise the glib main loop | |
| 36 | dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) | |
| 37 | dbus.mainloop.glib.threads_init() | |
| 38 | ||
| 39 | class Bus(threading.Thread): | |
| 40 | def __init__(self, collecty): | |
| 41 | threading.Thread.__init__(self) | |
| 42 | self.daemon = True | |
| 43 | ||
| 44 | self.collecty = collecty | |
| 45 | ||
| 46 | # Initialise the main loop | |
| 47 | gobject.threads_init() | |
| 48 | self.loop = gobject.MainLoop() | |
| 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 | |
| 57 | self.loop.run() | |
| 58 | ||
| 59 | def shutdown(self): | |
| 60 | log.debug(_("Stopping bus thread")) | |
| 61 | ||
| 62 | # End the main loop | |
| 63 | self.loop.quit() | |
| 64 | ||
| 65 | # Return when this thread has finished | |
| 66 | return self.join() | |
| 67 | ||
| 68 | ||
| 69 | class GraphGenerator(dbus.service.Object): | |
| 70 | def __init__(self, collecty): | |
| 71 | bus_name = dbus.service.BusName(BUS_DOMAIN, bus=dbus.SystemBus()) | |
| 72 | dbus.service.Object.__init__(self, bus_name, "/%s" % self.__class__.__name__) | |
| 73 | ||
| 74 | self.collecty = collecty | |
| 75 | ||
| 76 | @dbus.service.method(BUS_DOMAIN, in_signature="sa{sv}", out_signature="ay") | |
| 77 | def GenerateGraph(self, template_name, kwargs): | |
| 78 | """ | |
| 79 | Returns a graph generated from the given template and object. | |
| 80 | """ | |
| 81 | graph = self.collecty.generate_graph(template_name, **kwargs) | |
| 82 | ||
| 83 | return dbus.ByteArray(graph or []) | |
| 84 | ||
| 85 | @dbus.service.method(BUS_DOMAIN, in_signature="", out_signature="as") | |
| 86 | def ListTemplates(self): | |
| 87 | """ | |
| 88 | Returns a list of all available templates | |
| 89 | """ | |
| 90 | return [t.name for t in self.collecty.templates] |