Github user pbchou commented on a diff in the pull request:
https://github.com/apache/trafficserver/pull/834#discussion_r78412433
--- Diff: proxy/ParentConsistentHash.cc ---
@@ -63,21 +66,104 @@ ParentConsistentHash::getPathHash(HttpRequestData
*hrdata, ATSHash64 *h)
{
const char *tmp = NULL;
int len;
- URL *url = hrdata->hdr->url_get();
+ URL *url = hrdata->hdr->url_get();
+ int num_dirs = 0;
+
+ // Use over-ride URL from HttpTransact::State's
cache_info.parent_selection_url, if present.
+ URL *ps_url = NULL;
+ Debug("parent_select", "hrdata->cache_info_parent_selection_url = %p",
hrdata->cache_info_parent_selection_url);
+ if (hrdata->cache_info_parent_selection_url) {
+ ps_url = *(hrdata->cache_info_parent_selection_url);
+ Debug("parent_select", "ps_url = %p", ps_url);
+ if (ps_url) {
+ tmp = ps_url->string_get_ref(&len);
+ if (tmp && len > 0) {
+ // Print the over-ride URL
+ Debug("parent_select", "Using Over-Ride String='%.*s'.", len, tmp);
+ h->update(tmp, len);
+ h->final();
+ return h->get();
+ }
+ }
+ }
// Always hash on '/' because paths returned by ATS are always stripped
of it
h->update("/", 1);
tmp = url->path_get(&len);
- if (tmp) {
+
+ if (tmp && len > 0) {
+ // Print the Original path.
+ Debug("parent_select", "Original Path='%.*s'.", len, tmp);
+
+ // Process the 'maxdirs' directive.
+ if (max_dirs != 0) {
+ // Determine number of directory components in the path.
+ // NOTE: Leading '/' is gone already.
+ for (int x = 0; x < len; x++) {
+ if (tmp[x] == '/')
+ num_dirs++;
--- End diff --
Done, but I am surprised this can't be enforced by clang-format if that is
the convention?
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