X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sfatables%2Fruntime.py;h=1aac7731ef2ebe632bd196ccdf12a2390e33fb05;hb=642a3aa93b3974d2e55ba32dbe26957d0d37e20f;hp=0dab15d3869423ef16103f09d28879a459451db3;hpb=f7866302ad749a87e91516e1e37dbaec6f83c61c;p=sfa.git

diff --git a/sfatables/runtime.py b/sfatables/runtime.py
index 0dab15d3..1aac7731 100644
--- a/sfatables/runtime.py
+++ b/sfatables/runtime.py
@@ -6,69 +6,98 @@ import pdb
 import libxml2
 
 from optparse import OptionParser
-from sfatables import commands, matches, targets
-from sfatables.xmlextension import Xmlextension
+from sfatables import commands
 from sfatables.globals import *
 from sfatables.commands.List import *
 from sfatables.xmlrule import *
 
 class SFATablesRules:
     def __init__(self, chain_name):
+        self.active_context = {}
+        self.contexts = None # placeholder for rspec_manger
         self.sorted_rule_list = []
-        chain_dir_path = "%s/%s"%(sfatables_config,chain_name)
+        chain_dir_path = os.path.join(sfatables_config,chain_name)
         rule_list = List().get_rule_list(chain_dir_path)
         for rule_number in rule_list:
-            self.sorted_rule_list.append(XMLRule(chain_name, rule_number))
+            self.sorted_rule_list = self.sorted_rule_list + [XMLRule(chain_name, rule_number)]
         return
 
 
+    def set_context(self, request_context):
+        self.active_context = request_context
+        return
+
+    def create_xml_node(self, name, context_dict):
+        node = libxml2.newNode(name)
+        for k in context_dict.keys():
+            if (type(context_dict[k])==dict):
+                childNode = self.create_xml_node(k, context_dict[k])
+                node.addChild(childNode)
+            else:
+                node.addContent(context_dict[k])
+        return node
+                
+    def add_request_context_to_rspec(self, doc):
+        p = doc.xpathNewContext()
+        context = p.xpathEval("//rspec")
+        if (not context):
+            raise Exception('Request is not an rspec')
+        else:
+            # Add the request context
+            requestNode = self.create_xml_node('request-context',self.active_context)
+            context[0].addChild(requestNode)
+        p.xpathFreeContext()
+        return doc
+
+    def add_rule_context_to_rspec(self,arguments, doc):
+        p = doc.xpathNewContext()
+        context = p.xpathEval("//rspec")
+        if (not context):
+            raise Exception('Request is not an rspec')
+        else:
+            # Add the request context
+            ruleNode = libxml2.newNode('rule-context')
+            ac = self.active_context
+            for k in ac:
+                argumentNode = libxml2.newNode('argument')
+                nameNode = libxml2.newNode('name')
+                nameNode.addContent(k)
+                valueNode = libxml2.newNode('value')
+                valueNode.addContent(ac[k])
+                argumentNode.addChild(nameNode)
+                argumentNode.addChild(valueNode)
+                ruleNode.addChild(argumentNode)
+                context[0].addChild(ruleNode)
+        p.xpathFreeContext()
+
+        return doc
+
     def apply(self, rspec):
-        intermediate_rspec = rspec
+        doc = libxml2.parseDoc(rspec)
+        doc = self.add_request_context_to_rspec(doc)
+
+        intermediate_rspec = doc
+
         for rule in self.sorted_rule_list:
             intermediate_rspec  = rule.apply_interpreted(intermediate_rspec)
+            if (rule.terminal):
+                break
 
-        return intermediate_rspec
+        final_rspec = XMLRule().wrap_up(intermediate_rspec) 
+        return final_rspec
 
 def main():
     incoming = SFATablesRules('INCOMING')
+    incoming.set_context({'sfa':{'user':{'hrn':'plc.princeton.sapanb'}}})
+
     outgoing = SFATablesRules('OUTGOING')
+    print "%d rules loaded for INCOMING chain"%len(incoming.sorted_rule_list)
+    print incoming.sorted_rule_list[0].processors
 
-    rspec = """
-<rspec>
-    <request-context>
-        <sfa><user><hrn>plc.princeton.sapan</hrn></user></sfa>
-    </request-context>
-
-    <sfatables-rule>
-            <argument>
-                <name>hrn</name>
-                <value>plc</value>
-            </argument>
-            <argument>
-                <name>whitelist</name>
-                <value>plc.princeton</value>
-            </argument>
-            <argument>
-                <name>blacklist</name>
-                <value>plc.tp</value>
-            </argument>
-    </sfatables-rule>
-    <request>
-        <nodespec>
-            <node name="plc.princeton.planetlab-01"/>
-            <node name="plc.princeton.planetlab-02"/>
-            <node name="plc.princeton.planetlab-03"/>
-            <node name="plc.princeton.planetlab-04"/>
-            <node name="plc.tp.planetlab3"/>
-        </nodespec>
-    </request>
-</rspec>
-    """
-
-    
-    print "%d rules loaded for INCOMING chain\n"%len(incoming.sorted_rule_list)
-    print "%d rules loaded for OUTGOING chain\n"%len(outgoing.sorted_rule_list)
+    print "%d rules loaded for OUTGOING chain"%len(outgoing.sorted_rule_list)
+    print outgoing.sorted_rule_list[0].processors
 
+    rspec = open(sys.argv[1]).read()
     newrspec = incoming.apply(rspec)
     print newrspec
     return