Initial revision

[helm.git] / helm / http_getter / http_getter_cache.ml

diff --git a/helm/http_getter/http_getter_cache.ml b/helm/http_getter/http_getter_cache.ml
index 42bace5a4f7b9ac53b67a7f2e3fd8fcf458f62d3..d132b69a56b2297e6508a0193cf893ace027fd99 100644 (file)
--- a/helm/http_getter/http_getter_cache.ml
+++ b/helm/http_getter/http_getter_cache.ml
@@ -26,6 +26,20 @@
  *  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;;