1 files changed, 59 insertions, 0 deletions
diff --git a/gnuradio-runtime/python/gnuradio/ctrlport/monitor.py b/gnuradio-runtime/python/gnuradio/ctrlport/monitor.py
new file mode 100644
index 0000000000..53a571a698
--- /dev/null
+++ b/gnuradio-runtime/python/gnuradio/ctrlport/monitor.py
@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+#
+# Copyright 2012 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio 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, or (at your option)
+# any later version.
+#
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+import sys, subprocess, re, signal, time, atexit, os
+from gnuradio import gr
+
+class monitor:
+    def __init__(self):
+        print "ControlPort Monitor running."
+        self.started = False
+        atexit.register(self.shutdown)
+
+    def __del__(self):
+        if(self.started):
+            self.stop()
+
+    def start(self):
+        print "monitor::endpoints() = %s" % (gr.rpcmanager_get().endpoints())
+        try:
+            self.proc = subprocess.Popen(map(lambda a: ["gr-ctrlport-monitor",
+                                                        re.search("\d+\.\d+\.\d+\.\d+",a).group(0),
+                                                        re.search("-p (\d+)",a).group(1)],
+                                             gr.rpcmanager_get().endpoints())[0])
+            self.started = True
+        except:
+            self.proc = None
+            print "failed to to start ControlPort Monitor on specified port"
+
+    def stop(self):
+        if(self.proc):
+            if(self.proc.returncode == None):
+                print "\tcalling stop on shutdown"
+                self.proc.terminate()
+        else:
+            print "\tno proc to shut down, exiting"
+
+    def shutdown(self):
+        print "ctrlport.monitor received shutdown signal"
+        if(self.started):
+            self.stop()