Insert the current context into the rspec for the rules to operate.

[sfa.git] / sfatables / runtime.py

diff --git a/sfatables/runtime.py b/sfatables/runtime.py
index 235c67f..bdace13 100644 (file)
--- a/sfatables/runtime.py
+++ b/sfatables/runtime.py
@@ -13,20 +13,51 @@ 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 = 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 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
+            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):
@@ -37,10 +68,13 @@ class SFATablesRules:
 
 def main():
     incoming = SFATablesRules('INCOMING')
-    outgoing = SFATablesRules('OUTGOING')
 
+    outgoing = SFATablesRules('OUTGOING')
     print "%d rules loaded for INCOMING chain"%len(incoming.sorted_rule_list)
+    print incoming.sorted_rule_list[0].processors
+
     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)