From 1328d62f9d3a2eb9f089d531614302005c29ec37 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Sun, 21 Jun 2015 21:56:59 +0200
Subject: Replace MGMT socket by ZMQ, make services shared_ptr

---
 gui/muxconfig.py           | 43 ++++++++++++++++++++++++-------------------
 gui/odr-dabmux-gui.py      | 36 +++++++++++++++++++++++++++++++++++-
 gui/views/configeditor.tpl | 29 +++++++++++++++++++++++++++++
 3 files changed, 88 insertions(+), 20 deletions(-)
 create mode 100644 gui/views/configeditor.tpl

(limited to 'gui')

diff --git a/gui/muxconfig.py b/gui/muxconfig.py
index f725462..4b307fd 100644
--- a/gui/muxconfig.py
+++ b/gui/muxconfig.py
@@ -20,7 +20,7 @@
 #
 #   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 zmq
 import json
 
 class General(object):
@@ -97,38 +97,43 @@ class ConfigurationHandler(object):
         self._config = None
         self._statistics = None
 
+        self._ctx = zmq.Context()
+        self.sock = zmq.Socket(self._ctx, zmq.REQ)
+        self.sock.connect("tcp://{}:{}".format(self._host, self._port))
+
     def load(self):
         """Load the configuration from the multiplexer and
         save it locally"""
-        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        self.sock.send(b'info')
+        server_info = self.sock.recv()
+
+        self.sock.send(b'getptree')
+        config_info = self.sock.recv()
 
-        s.connect((self._host, self._port))
-        server_info = s.recv(32768)
-        s.sendall(b'getptree\n')
-        config_info = s.recv(32768)
-        s.close()
+        print("Config '%r'" % config_info)
 
-        self._server_version = json.loads(server_info.decode())['service']
-        self._config = json.loads(config_info.decode())
+        self._server_version = json.loads(server_info)['service']
+        self._config = json.loads(config_info)
 
     def update_stats(self):
         """Load the statistics from the multiplexer and
         save them locally"""
-        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 
-        s.connect((self._host, self._port))
-        server_info = s.recv(32768)
+        self.sock.send(b'info')
+        server_info = self.sock.recv()
 
-        s.sendall(b'values\n')
+        self.sock.send(b'values')
+        stats_info = self.sock.recv()
 
-        stats_info = s.recv(32768)
-        s.close()
-
-        print("STATS: {}".format(stats_info.decode()))
-        self._statistics = json.loads(stats_info.decode())['values']
+        self._statistics = json.loads(stats_info)['values']
 
     def get_full_configuration(self):
-        return self._config
+        return json.dumps(self._config, indent=4)
+
+    def set_full_configuration(self, config_json):
+        self.sock.send(b'setptree', flags=zmq.SNDMORE)
+        self.sock.send(config_json)
+        return self.sock.recv() == "OK"
 
     def get_mux_version(self):
         return self._server_version
diff --git a/gui/odr-dabmux-gui.py b/gui/odr-dabmux-gui.py
index 19f3ae8..caa4ea7 100755
--- a/gui/odr-dabmux-gui.py
+++ b/gui/odr-dabmux-gui.py
@@ -28,13 +28,46 @@
 #   along with ODR-DabMux.  If not, see <http://www.gnu.org/licenses/>.
 
 from muxconfig import *
-from bottle import route, run, template, static_file
+from bottle import route, run, template, static_file, request
 import json
 
 conf = ConfigurationHandler('localhost')
 
 @route('/config')
 def config():
+    """Show the JSON ptree in a textbox for editing"""
+
+    conf.load()
+
+    return template('configeditor',
+            version = conf.get_mux_version(),
+            config  = conf.get_full_configuration(),
+            message = "")
+
+@route('/config', method="POST")
+def config_json_post():
+    """Update the ODR-DabMux configuration with the JSON ptree
+    given as POST data"""
+
+    new_config = request.forms.get('config')
+    print("New config %s" % new_config)
+
+    success = conf.set_full_configuration(new_config)
+
+    if success:
+        successmessage = "Success"
+    else:
+        successmessage = "Failure"
+
+    conf.load()
+
+    return template('configeditor',
+            version = conf.get_mux_version(),
+            config  = conf.get_full_configuration(),
+            message = successmessage)
+
+@route('/config.json', method="GET")
+def config_json_get():
     """Return a application/json containing the full
     ptree of the mux"""
 
@@ -43,6 +76,7 @@ def config():
     return {'version': conf.get_mux_version(),
             'config':  conf.get_full_configuration()}
 
+
 @route('/')
 def index():
     conf.load()
diff --git a/gui/views/configeditor.tpl b/gui/views/configeditor.tpl
new file mode 100644
index 0000000..9d1d193
--- /dev/null
+++ b/gui/views/configeditor.tpl
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html><head>
+	<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
+    <title>ODR-DabMux Configuration Editor</title>
+	<link rel="stylesheet" href="static/style.css" type="text/css" media="screen" charset="utf-8"/>
+    <script type="text/javascript" src="static/jquery-1.7.1.min.js"></script>
+</head>
+<body>
+    <h1>Configuration for {{version}}</h1>
+
+    <p><a href="/config">Reload</a></p>
+
+    % if message:
+    <p>{{message}}</p>
+    % end
+
+    <form action="/config" method="post">
+        <p>
+        <textarea name="config" cols="60" rows="50">{{config}}</textarea>
+        </p>
+
+        <p>
+        <input type="submit" value="Update ODR-DabMux configuration"></input>
+        </p>
+    </form>
+
+</body>
+</html>
+
-- 
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