[Xen-changelog] Added cache-control headers to pages returned by HTTP server so that pages

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User emellor@ewan
# Node ID a39510ad5c591ee84592924e718c90d746f90097
# Parent  345e517bab57e122111378783540645e1b0a5dfb
Added cache-control headers to pages returned by HTTP server so that pages
expire immediately.  This prevents navigation to stale pages.

Signed-off-by: Ewan Mellor <ewan@xxxxxxxxxxxxx>

diff -r 345e517bab57 -r a39510ad5c59 tools/python/xen/web/http.py
--- a/tools/python/xen/web/http.py      Fri Sep 30 10:40:59 2005
+++ b/tools/python/xen/web/http.py      Fri Sep 30 10:55:49 2005
@@ -437,6 +437,9 @@
         send_body = self.hasBody()
         if not self.close_connection:
             self.setResponseHeader("Connection", "keep-alive")
+        self.setResponseHeader("Pragma", "no-cache")
+        self.setResponseHeader("Cache-Control", "no-cache")
+        self.setResponseHeader("Expires", "-1")
         if send_body:
             self.output.seek(0, 0)
             body = self.output.getvalue()

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