Github user jrushford commented on a diff in the pull request:
https://github.com/apache/trafficserver/pull/834#discussion_r77867576
--- Diff: proxy/ParentConsistentHash.cc ---
@@ -64,23 +66,117 @@ ParentConsistentHash::getPathHash(HttpRequestData
*hrdata, ATSHash64 *h)
const char *tmp = NULL;
int len;
URL *url = hrdata->hdr->url_get();
+ char buffer[1024];
+ int slen = 0;
+ 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", "ParentConsistentHash::%s()
hrdata->cache_info_parent_selection_url = 0x%lx", __func__,
+ (unsigned long int)hrdata->cache_info_parent_selection_url);
+ if (hrdata->cache_info_parent_selection_url) {
+ ps_url = *(hrdata->cache_info_parent_selection_url);
+ Debug("parent_select", "ParentConsistentHash::%s() ps_url = 0x%lx",
__func__, (unsigned long int)ps_url);
+ if (ps_url) {
+ tmp = ps_url->string_get_ref(&len);
+ if (tmp && len > 0) {
+ // Print the over-ride URL
+ slen = (len > 1023) ? 1023 : len;
+ strncpy(buffer, tmp, slen);
+ buffer[slen] = 0;
+ Debug("parent_select", "ParentConsistentHash::%s() Using Over-Ride
String='%s'.", __func__, buffer);
+ h->update(tmp, len);
+ goto done;
+ }
+ }
+ }
// 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 Original Path
--- End diff --
Perhaps include "ts/Diags.h" and use:
if (is_debug_tag_set("parent_select") {
slen = (len > 1023) ? 1023 : len;
strncpy(buffer, tmp, slen);
buffer[slen] = 0;
Debug("parent_select", "ParentConsistentHash::%s() Original Path='%s'.",
__func__, buffer);
}
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