Github user PSUdaemon commented on a diff in the pull request:
https://github.com/apache/trafficserver/pull/834#discussion_r78215113
--- Diff: proxy/ParentConsistentHash.cc ---
@@ -58,29 +61,131 @@ ParentConsistentHash::~ParentConsistentHash()
delete chash[SECONDARY];
}
+void
+ParentConsistentHash::getPathHash_Helper(char *buffer, int size, const
char *tmp, int len)
+{
+ int slen;
+ int max = size - 1;
+ slen = (len > max) ? max : len;
+ strncpy(buffer, tmp, slen);
+ buffer[slen] = 0;
+}
+
uint64_t
ParentConsistentHash::getPathHash(HttpRequestData *hrdata, ATSHash64 *h)
{
const char *tmp = NULL;
int len;
URL *url = hrdata->hdr->url_get();
+ char buffer[1024];
+ 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
+ if (is_debug_tag_set("parent_select")) {
+ getPathHash_Helper(buffer, 1024, tmp, len);
+ Debug("parent_select", "Using Over-Ride String='%s'.", buffer);
+ }
+ h->update(tmp, len);
+ goto done;
--- End diff --
I know this is a pattern used throughout the code base, but I see you added
this one new (in addition to the new label below). I think we should try to
avoid this if at all possible.
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