diff options
author | Aleksander Morgado <aleksander@aleksander.es> | 2014-04-10 19:05:13 +0200 |
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committer | Aleksander Morgado <aleksander@aleksander.es> | 2014-04-11 10:31:01 +0200 |
commit | ebff76cfaa0e5809ef5883d7588f55dc3e11f828 (patch) | |
tree | feee88d7ba25f780d705cf0f5cf76f3f80ef481c /examples | |
parent | 79b34b77b4703eaaf7e007c294325a660a51bc9e (diff) |
examples: add modem watcher example in python
Diffstat (limited to 'examples')
-rw-r--r-- | examples/Makefile.am | 1 | ||||
-rw-r--r-- | examples/modem-watcher-python/Makefile.am | 4 | ||||
-rw-r--r-- | examples/modem-watcher-python/ModemWatcher.py | 108 | ||||
-rw-r--r-- | examples/modem-watcher-python/README | 22 | ||||
-rwxr-xr-x | examples/modem-watcher-python/modem-watcher-python | 42 |
5 files changed, 177 insertions, 0 deletions
diff --git a/examples/Makefile.am b/examples/Makefile.am new file mode 100644 index 00000000..26e5407f --- /dev/null +++ b/examples/Makefile.am @@ -0,0 +1 @@ +SUBDIRS = modem-watcher-python diff --git a/examples/modem-watcher-python/Makefile.am b/examples/modem-watcher-python/Makefile.am new file mode 100644 index 00000000..52bff807 --- /dev/null +++ b/examples/modem-watcher-python/Makefile.am @@ -0,0 +1,4 @@ + +EXTRA_DIST = \ + ModemWatcher.py \ + modem-watcher-python diff --git a/examples/modem-watcher-python/ModemWatcher.py b/examples/modem-watcher-python/ModemWatcher.py new file mode 100644 index 00000000..2a9d7390 --- /dev/null +++ b/examples/modem-watcher-python/ModemWatcher.py @@ -0,0 +1,108 @@ +#!/usr/bin/env python3 +# -*- Mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- +# +# 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) 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 Lesser General Public License for more +# details. +# +# You should have received a copy of the GNU Lesser 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. +# +# Copyright (C) 2014 Aleksander Morgado <aleksander@aleksander.es> +# + +import os +import sys + +from gi.repository import GLib, GObject, Gio, ModemManager + +""" +The ModemWatcher class is responsible for monitoring ModemManager +""" +class ModemWatcher: + + """ + Constructor + """ + def __init__(self): + # Flag for initial logs + self.initializing = True + # Setup DBus monitoring + self.connection = Gio.bus_get_sync (Gio.BusType.SYSTEM, None) + self.manager = ModemManager.Manager.new_sync (self.connection, + Gio.DBusObjectManagerClientFlags.DO_NOT_AUTO_START, + None) + # IDs for added/removed signals + self.object_added_id = 0 + self.object_removed_id = 0 + # Follow availability of the ModemManager process + self.available = False + self.manager.connect('notify::name-owner', self.on_name_owner) + self.on_name_owner(self.manager, None) + # Finish initialization + self.initializing = False + + """ + ModemManager is now available + """ + def set_available(self): + if self.available == False or self.initializing == True: + print('[ModemWatcher] ModemManager service is available in bus') + self.object_added_id = self.manager.connect('object-added', self.on_object_added) + self.object_removed_id = self.manager.connect('object-removed', self.on_object_removed) + self.available = True + # Initial scan + if self.initializing == True: + for obj in self.manager.get_objects(): + self.on_object_added(self.manager, obj) + + """ + ModemManager is now unavailable + """ + def set_unavailable(self): + if self.available == True or self.initializing == True: + print('[ModemWatcher] ModemManager service not available in bus') + if self.object_added_id: + self.manager.disconnect(self.object_added_id) + self.object_added_id = 0 + if self.object_removed_id: + self.manager.disconnect(self.object_removed_id) + self.object_removed_id = 0 + self.available = False + + """ + Name owner updates + """ + def on_name_owner(self, manager, prop): + if self.manager.get_name_owner(): + self.set_available() + else: + self.set_unavailable() + + """ + Object added + """ + def on_object_added(self, manager, obj): + modem = obj.get_modem() + print('[ModemWatcher] %s (%s) modem managed by ModemManager [%s]: %s' % + (modem.get_manufacturer(), + modem.get_model(), + modem.get_equipment_identifier(), + obj.get_object_path())) + if modem.get_state() == ModemManager.ModemState.FAILED: + print('[ModemWatcher,%s] ignoring failed modem' % + modem_index(obj.get_object_path())) + + """ + Object removed + """ + def on_object_removed(self, manager, obj): + print('[ModemWatcher] modem unmanaged by ModemManager: %s' % + obj.get_object_path()) diff --git a/examples/modem-watcher-python/README b/examples/modem-watcher-python/README new file mode 100644 index 00000000..f2b58e69 --- /dev/null +++ b/examples/modem-watcher-python/README @@ -0,0 +1,22 @@ + +The modem-watcher-python program makes use of the 'libmm-glib' library through +GObject Introspection to talk to ModemManager. + +The program will just print in stdout whenever: + * ModemManager is found in the bus + * ModemManager is lost in the bus + * A new modem is added to ModemManager + * A modem is removed from ModemManager + +The output will look like this: + +$ ./modem-watcher-python +[ModemWatcher] ModemManager service is available in bus +[ModemWatcher] Vodafone (Huawei) (K3772) modem managed by ModemManager [861320000017897]: /org/freedesktop/ModemManager1/Modem/0 +[ModemWatcher] modem unmanaged by ModemManager: /org/freedesktop/ModemManager1/Modem/0 +[ModemWatcher] ModemManager service not available in bus + +Note that the program requires ModemManager and libmm-glib to be installed in +the system and the introspection typelibs available in the standard paths. + +Have fun!
\ No newline at end of file diff --git a/examples/modem-watcher-python/modem-watcher-python b/examples/modem-watcher-python/modem-watcher-python new file mode 100755 index 00000000..40998588 --- /dev/null +++ b/examples/modem-watcher-python/modem-watcher-python @@ -0,0 +1,42 @@ +#!/usr/bin/env python +# -*- Mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- +# +# 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) 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 Lesser General Public License for more +# details. +# +# You should have received a copy of the GNU Lesser 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. +# +# Copyright (C) 2014 Aleksander Morgado <aleksander@aleksander.es> +# + +import sys, signal +import ModemWatcher +from gi.repository import GLib + +main_loop = None +watcher = None + +def signal_handler(data): + main_loop.quit() + +if __name__ == "__main__": + # Create modem watcher + watcher = ModemWatcher.ModemWatcher() + + # Main loop + main_loop = GLib.MainLoop() + GLib.unix_signal_add(GLib.PRIORITY_HIGH, signal.SIGHUP, signal_handler, None) + GLib.unix_signal_add(GLib.PRIORITY_HIGH, signal.SIGTERM, signal_handler, None) + try: + main_loop.run() + except KeyboardInterrupt: + pass |