Adding a new rule for limiting node bandwidth, minor fix to rule for limiting link...

[sfa.git] / sfatables / processors / max_node_kbps.xsl

diff --git a/sfatables/processors/max_node_kbps.xsl b/sfatables/processors/max_node_kbps.xsl
new file mode 100644 (file)
index 0000000..d7c0060
--- /dev/null
+++ b/sfatables/processors/max_node_kbps.xsl
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+  <!-- Magic sauce copied from a manual. This fragment basically
+    copies everything except for stuff that explicitly matches with
+    the templates defined below. In the case of such a match, the
+    matched node is treated differently.-->
+  <xsl:template match="@* | node()">
+    <xsl:copy>
+      <xsl:apply-templates select="@* | node()"/>
+    </xsl:copy>
+  </xsl:template>
+  <!-- End of magic sauce -->
+
+  <!-- Read in the value of the argument. -->
+  <xsl:variable name="max-node-kbps" select="//RSpec//target-context/argument[name='max-node-kbps']/value"/>
+
+  <!-- Modify NodeSpec for which kbps > max-link-kbps -->
+  <xsl:template match="NodeSpec/max_rate">
+      <xsl:choose>
+          <xsl:when test=". &gt; $max-node-kbps">
+              <max_rate><xsl:value-of select="$max-node-kbps"/></max_rate>
+          </xsl:when>
+          <xsl:otherwise>
+              <xsl:copy-of select="."/>
+          </xsl:otherwise>
+      </xsl:choose>
+  </xsl:template>
+      
+  <!-- Fill in missing kbps values --> 
+  <xsl:template match="NodeSpec[not(max_rate)]">
+      <xsl:copy>
+          <xsl:copy-of select="*"/>
+          <max_rate><xsl:value-of select="$max-node-kbps"/></max_rate>
+      </xsl:copy>
+  </xsl:template>
+  
+  <xsl:template match="sfatables-input"/>
+</xsl:stylesheet>