1 files changed, 100 insertions, 0 deletions
diff --git a/extensions/cpsection/modemconfiguration/model.py b/extensions/cpsection/modemconfiguration/model.py
new file mode 100755
index 0000000..969b5d9
--- /dev/null
+++ b/extensions/cpsection/modemconfiguration/model.py
@@ -0,0 +1,100 @@
+# Copyright (C) 2009 Paraguay Educa, Martin Abente
+#
+# 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 St, Fifth Floor, Boston, MA  02110-1301  US
+
+import logging
+
+import dbus
+import gtk
+
+from jarabe.model import network
+
+
+def get_connection():
+    return network.find_gsm_connection()
+
+
+def get_modem_settings():
+    modem_settings = {}
+    connection = get_connection()
+    if not connection:
+        return modem_settings
+
+    settings = connection.get_settings('gsm')
+    for setting in ('username', 'number', 'apn'):
+        modem_settings[setting] = settings.get(setting, '')
+
+    # use mutable container for nested function control variable
+    secrets_call_done = [False]
+
+    def _secrets_cb(secrets):
+        secrets_call_done[0] = True
+        if not secrets or not 'gsm' in secrets:
+            return
+
+        gsm_secrets = secrets['gsm']
+        modem_settings['password'] = gsm_secrets.get('password', '')
+        modem_settings['pin'] = gsm_secrets.get('pin', '')
+
+    def _secrets_err_cb(err):
+        secrets_call_done[0] = True
+        if isinstance(err, dbus.exceptions.DBusException) and \
+                err.get_dbus_name() == network.NM_AGENT_MANAGER_ERR_NO_SECRETS:
+            logging.debug('No GSM secrets present')
+        else:
+            logging.error('Error retrieving GSM secrets: %s', err)
+
+    # must be called asynchronously as this re-enters the GTK main loop
+    connection.get_secrets('gsm', _secrets_cb, _secrets_err_cb)
+
+    # wait til asynchronous execution completes
+    while not secrets_call_done[0]:
+        gtk.main_iteration()
+
+    return modem_settings
+
+
+def _set_or_clear(_dict, key, value):
+    """Update a dictionary value for a specific key. If value is None or
+    zero-length, but the key is present in the dictionary, delete that
+    dictionary entry."""
+    if value:
+        _dict[key] = value
+        return
+
+    if key in _dict:
+        del _dict[key]
+
+
+def set_modem_settings(modem_settings):
+    username = modem_settings.get('username', '')
+    password = modem_settings.get('password', '')
+    number = modem_settings.get('number', '')
+    apn = modem_settings.get('apn', '')
+    pin = modem_settings.get('pin', '')
+
+    connection = get_connection()
+    if not connection:
+        network.create_gsm_connection(username, password, number, apn, pin)
+        return
+
+    settings = connection.get_settings()
+    gsm_settings = settings['gsm']
+    _set_or_clear(gsm_settings, 'username', username)
+    _set_or_clear(gsm_settings, 'password', password)
+    _set_or_clear(gsm_settings, 'number', number)
+    _set_or_clear(gsm_settings, 'apn', apn)
+    _set_or_clear(gsm_settings, 'pin', pin)
+    connection.update_settings(settings)