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-rw-r--r--gui/muxconfig.py112
1 files changed, 112 insertions, 0 deletions
diff --git a/gui/muxconfig.py b/gui/muxconfig.py
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+++ b/gui/muxconfig.py
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+#!/usr/bin/python
+#
+# Copyright (C) 2015
+# Matthias P. Braendli, matthias.braendli@mpb.li
+#
+# http://www.opendigitalradio.org
+#
+# This file is part of ODR-DabMux.
+#
+# ODR-DabMux 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 3 of the
+# License, or (at your option) any later version.
+#
+# ODR-DabMux 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 ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
+import socket
+import json
+
+class Service(object):
+ """Container object for a service"""
+ def __init__(self, name, ptree):
+ self.name = name
+
+ for fieldname in ['id',
+ "label",
+ "shortlabel",
+ "pty",
+ "language" ]:
+ if fieldname in ptree:
+ setattr(self, fieldname.replace("-", "_"), ptree[fieldname])
+ else:
+ setattr(self, fieldname.replace("-", "_"), "")
+
+class Subchannel(object):
+ """Container object for a subchannel"""
+ def __init__(self, name, ptree):
+ self.name = name
+ for fieldname in ['type',
+ "inputfile",
+ "zmq-buffer",
+ "zmq-prebuffering",
+ "bitrate",
+ "id",
+ "protection",
+ "encryption",
+ "secret-key",
+ "public-key",
+ "encoder-key"]:
+ if fieldname in ptree:
+ setattr(self, fieldname.replace("-", "_"), ptree[fieldname])
+ else:
+ setattr(self, fieldname.replace("-", "_"), "")
+
+class Component(object):
+ """Container object for a component"""
+ def __init__(self, name, ptree):
+ self.name = name
+ for fieldname in ['label', 'shortlabel', 'service',
+ 'subchannel', 'figtype']:
+ if fieldname in ptree:
+ setattr(self, fieldname.replace("-", "_"), ptree[fieldname])
+ else:
+ setattr(self, fieldname.replace("-", "_"), "")
+
+class ConfigurationHandler(object):
+ """Load and present the configration from ODR-DabMux"""
+
+ def __init__(self, mux_host, mux_port=12720):
+ self._host = mux_host
+ self._port = mux_port
+
+ # local copy of the configuration
+ self._server_version = None
+ self._config = None
+
+ def load(self):
+ """Load the configuration from the multiplexer and
+ save it locally"""
+ s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+ s.connect((self._host, self._port))
+ s.sendall(b'getptree\n')
+ server_info = s.recv(32768)
+ config_info = s.recv(32768)
+ s.close()
+
+ self._server_version = json.loads(server_info.decode())['service']
+ self._config = json.loads(config_info.decode())
+
+ def get_full_configuration(self):
+ return self._config
+
+ def get_mux_version(self):
+ return self._server_version
+
+ def get_services(self):
+ srv_pt = self._config['services']
+ return [Service(name, srv_pt[name]) for name in srv_pt]
+
+ def get_subchannels(self):
+ sub_pt = self._config['subchannels']
+ return [Subchannel(name, sub_pt[name]) for name in sub_pt]
+
+ def get_components(self):
+ comp_pt = self._config['components']
+ return [Component(name, comp_pt[name]) for name in comp_pt]