daemon: added option API TLVs so that per-interface parameters are kept for EMANE models when a single node has multiple interfaces of the same EMANE model type but different model parameters

daemon/core/netns/vnet.py

@@ -11,6 +11,8 @@ vnet.py: PyCoreNet and LxBrNet classes that implement virtual networks using
 Linux Ethernet bridging and ebtables rules.
 '''
 
+import traceback
+
 import os, sys, threading, time, subprocess
 
 from core.api import coreapi
@@ -345,6 +347,10 @@ class LxBrNet(PyCoreNet):
         ''' Configure link parameters by applying tc queuing disciplines on the
             interface.
         '''
+        
+        sys.stderr.write("enter linkconfig() ...\n")
+        traceback.print_stack()
+        
         if devname is None:
             devname = netif.localname
         tc = [TC_BIN, "qdisc", "replace", "dev", devname]

daemon/core/session.py

@@ -14,7 +14,6 @@ that manages a CORE session.
 import os, sys, tempfile, shutil, shlex, atexit, gc, pwd
 import threading, time, random
 import traceback
-import subprocess
 
 from core.api import coreapi
 if os.uname()[0] == "Linux":
@@ -290,16 +289,8 @@ class Session(object):
                 self.warn("Error writing hook '%s': %s" % (filename, e))
             self.info("Running hook %s for state %s" % (filename, state))
             try:
-                stdout = open(os.path.join(self.sessiondir,
-                                           filename + '.log'), 'w')
-                stderr = subprocess.STDOUT
-            except:
-                stdout = None
-                stderr = None
-            try:
-                check_call(["/bin/sh", filename], stdin=open(os.devnull, 'r'),
-                           stdout=stdout, stderr=stderr, close_fds=True,
-                           cwd=self.sessiondir, env=self.getenviron())
+                check_call(["/bin/sh", filename], cwd=self.sessiondir,
+                           env=self.getenviron())
             except Exception, e:
                 self.warn("Error running hook '%s' for state %s: %s" %
                           (filename, state, e))