From: Brian Warner <warner@allmydata.com>
Date: Tue, 7 Oct 2008 04:35:39 +0000 (-0700)
Subject: web: rewrite t=deep-size in terms of deep-stats, update test to match inclusion of... 
X-Git-Url: https://git.rkrishnan.org/specifications/(%5B%5E?a=commitdiff_plain;h=8e6d122ecf242e44132e00f8d89860b60dff0570;p=tahoe-lafs%2Ftahoe-lafs.git

web: rewrite t=deep-size in terms of deep-stats, update test to match inclusion of directory sizes
---

diff --git a/docs/webapi.txt b/docs/webapi.txt
index 97f3baf5..a02b3af8 100644
--- a/docs/webapi.txt
+++ b/docs/webapi.txt
@@ -876,11 +876,11 @@ GET $DIRURL?t=manifest
 GET $DIRURL?t=deep-size
 
   Return a number (in bytes) containing the sum of the filesize of all
-  immutable files reachable from the given directory. This is a rough lower
-  bound of the total space consumed by this subtree. It does not include
-  space consumed by directories or immutable files, nor does it take
-  expansion or encoding overhead into account. Later versions of the code may
-  improve this estimate upwards.
+  directories and immutable files reachable from the given directory. This is
+  a rough lower bound of the total space consumed by this subtree. It does
+  not include space consumed by mutable files, nor does it take expansion or
+  encoding overhead into account. Later versions of the code may improve this
+  estimate upwards.
 
 GET $DIRURL?t=deep-stats
 
diff --git a/src/allmydata/test/test_web.py b/src/allmydata/test/test_web.py
index 93d7ce38..05957712 100644
--- a/src/allmydata/test/test_web.py
+++ b/src/allmydata/test/test_web.py
@@ -839,9 +839,11 @@ class Web(WebMixin, unittest.TestCase):
 
     def test_GET_DIRURL_deepsize(self):
         d = self.GET(self.public_url + "/foo?t=deep-size", followRedirect=True)
-        def _got(manifest):
-            self.failUnless(re.search(r'^\d+$', manifest), manifest)
-            self.failUnlessEqual("57", manifest)
+        def _got(res):
+            self.failUnless(re.search(r'^\d+$', res), res)
+            size = int(res)
+            # with directories, the size varies. I've seen 1967 to 1979
+            self.failUnless(abs(size-1973) < 10, size)
         d.addCallback(_got)
         return d
 
diff --git a/src/allmydata/web/directory.py b/src/allmydata/web/directory.py
index f6b8055e..359f0521 100644
--- a/src/allmydata/web/directory.py
+++ b/src/allmydata/web/directory.py
@@ -690,13 +690,11 @@ class Manifest(rend.Page):
         return ctx.tag
 
 def DeepSize(ctx, dirnode):
-    d = dirnode.build_manifest()
-    def _measure_size(manifest):
-        total = 0
-        for verifiercap in manifest:
-            u = from_string_verifier(verifiercap)
-            if isinstance(u, CHKFileVerifierURI):
-                total += u.size
+    d = dirnode.deep_stats()
+    def _measure_size(stats):
+        total = (stats.get("size-immutable-files", 0)
+                 + stats.get("size-mutable-files", 0)
+                 + stats.get("size-directories", 0))
         return str(total)
     d.addCallback(_measure_size)
     d.addCallback(text_plain, ctx)