From e6ff3b4cce9a9e1aceb40b0a90daff8a47043cb3 Mon Sep 17 00:00:00 2001
From: ahrenholz <siliconja@users.noreply.github.com>
Date: Fri, 11 Jul 2014 17:44:41 +0000
Subject: [PATCH] support multiple frequencies of interest with the EMANE 0.9.1
 Universal Phy (Boeing r1850)

---
 daemon/core/emane/emane.py     | 17 ++++++++++++++++-
 daemon/core/emane/universal.py | 11 +++++++++++
 daemon/core/misc/xmlutils.py   | 20 ++++++++++++++++++++
 3 files changed, 47 insertions(+), 1 deletion(-)

diff --git a/daemon/core/emane/emane.py b/daemon/core/emane/emane.py
index b117cd0f..4fbe8f55 100644
--- a/daemon/core/emane/emane.py
+++ b/daemon/core/emane/emane.py
@@ -15,7 +15,8 @@ from xml.dom.minidom import parseString, Document
 from core.constants import *
 from core.api import coreapi
 from core.misc.ipaddr import MacAddr
-from core.misc.xmlutils import addtextelementsfromtuples
+from core.misc.utils import maketuplefromstr
+from core.misc.xmlutils import addtextelementsfromtuples, addparamlisttoparent
 from core.conf import ConfigurableManager, Configurable
 from core.mobility import WirelessModel
 from core.emane.nodes import EmaneNode
@@ -940,6 +941,20 @@ class EmaneModel(WirelessModel):
         warntxt = "EMANE model %s does not support link " % self._name
         warntxt += "configuration, dropping Link Message"
         self.session.warn(warntxt)
+    
+    @staticmethod
+    def valuestrtoparamlist(dom, name, value):
+        ''' Helper to convert a parameter to a paramlist.
+        Returns a an XML paramlist, or None if the value does not expand to
+        multiple values.
+        '''
+        try:
+            values = maketuplefromstr(value, str)
+        except SyntaxError:
+            return None
+        if len(values) < 2:
+            return None
+        return addparamlisttoparent(dom, parent=None, name=name, values=values)
 
 
 class EmaneGlobalModel(EmaneModel):
diff --git a/daemon/core/emane/universal.py b/daemon/core/emane/universal.py
index 667b067b..31eea94c 100644
--- a/daemon/core/emane/universal.py
+++ b/daemon/core/emane/universal.py
@@ -126,10 +126,21 @@ class EmaneUniversalModel(EmaneModel):
             # insert old options with their default values
             for old in cls._confmatrix_ver074:
                 phy.appendChild(e.xmlparam(phydoc, old[0], old[2]))
+
+        frequencies = None
+        if e.version == e.EMANE091:
+            name = "frequencyofinterest"
+            value = mac.valueof(name, values)
+            frequencies = cls.valuestrtoparamlist(phydoc, name, value)
+            if frequencies:
+                phynames = list(phynames)
+                phynames.remove("frequencyofinterest")
             
         # append all PHY options to phydoc
         map( lambda n: phy.appendChild(e.xmlparam(phydoc, n, \
                                        mac.valueof(n, values))), phynames)
+        if frequencies:
+            phy.appendChild(frequencies)
         return phydoc
 
 
diff --git a/daemon/core/misc/xmlutils.py b/daemon/core/misc/xmlutils.py
index 5ff718c8..4783b738 100644
--- a/daemon/core/misc/xmlutils.py
+++ b/daemon/core/misc/xmlutils.py
@@ -113,6 +113,26 @@ def addtextparamtoparent(dom, parent, name, value):
     txt = dom.createTextNode(value)
     p.appendChild(txt)
     return p
+    
+def addparamlisttoparent(dom, parent, name, values):
+    ''' XML helper to return a parameter list and optionally add it to the
+    parent element:
+    <paramlist name="name">
+       <item value="123">
+       <item value="456">
+    </paramlist>
+    '''
+    if values is None:
+        return None
+    p = dom.createElement("paramlist")
+    if parent:
+        parent.appendChild(p)
+    p.setAttribute("name", name)
+    for v in values:
+        item = dom.createElement("item")
+        item.setAttribute("value", str(v))
+        p.appendChild(item)
+    return p
  
 def getoneelement(dom, name):
     e = dom.getElementsByTagName(name)