X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Fhttp_getter%2Fhttp_getter_cache.ml;h=d132b69a56b2297e6508a0193cf893ace027fd99;hb=a4df9661e15509e5da6ed9c57e3ab6a27a440c3f;hp=8d180e1f86a18c52eeda7adac40a614583487947;hpb=15fbff73f74c07183edcc9618312e129b0835dc6;p=helm.git

diff --git a/helm/http_getter/http_getter_cache.ml b/helm/http_getter/http_getter_cache.ml
index 8d180e1f8..d132b69a5 100644
--- a/helm/http_getter/http_getter_cache.ml
+++ b/helm/http_getter/http_getter_cache.ml
@@ -1,5 +1,7 @@
 (*
- *  Copyright (C) 2003, HELM Team.
+ * Copyright (C) 2003:
+ *    Stefano Zacchiroli <zack@cs.unibo.it>
+ *    for the HELM Team http://helm.cs.unibo.it/
  *
  *  This file is part of HELM, an Hypertextual, Electronic
  *  Library of Mathematics, developed at the Computer Science
@@ -21,9 +23,23 @@
  *  MA  02111-1307, USA.
  *
  *  For details, see the HELM World-Wide-Web page,
- *  http://cs.unibo.it/helm/.
+ *  http://helm.cs.unibo.it/
  *)
 
+(* TODO cache expires control!!! *)
+(* TODO possible race condition, e.g.:
+    two clients require the same URI which is available in cache compressed, the
+    getter need to uncompress it, send back to client, and delete the
+    uncompressed file. Actually the uncompressed file name is the same, a temp
+    file isn't used.  *)
+(* TODO possible race condition, e.g.:
+    two clients require the same URI which is not available in cache, cache
+    filling operation can collide *)
+(* TODO uwobo loop:
+    if two large proof (already in cache) are requested at the same time by two
+    clients, uwobo (java implementation, not yet tested with the OCaml one)
+    starts looping sending output to one of the client *)
+
 open Http_getter_common;;
 open Http_getter_misc;;
 open Http_getter_types;;