Add warnings explaining Invalid Response errors generated by Squid

diff --git a/src/http.cc b/src/http.cc
index 59067fef54c165e6cd43ecbda1d18b46109f2bda..6d25c694e7eac68543660deeefdabbab22050a5e 100644 (file)
--- a/src/http.cc
+++ b/src/http.cc
@@ -1153,6 +1153,7 @@ HttpStateData::continueAfterParsingHeader()
             const http_status s = vrep->sline.status;
             const HttpVersion &v = vrep->sline.version;
             if (s == HTTP_INVALID_HEADER && v != HttpVersion(0,9)) {
+                debugs(11, DBG_IMPORTANT, "WARNING: HTTP: Invalid Response: Bad header encountered from " << entry->url() << " AKA " << orig_request->GetHost() << orig_request->urlpath.termedBuf() );
                 error = ERR_INVALID_RESP;
             } else if (s == HTTP_HEADER_TOO_LARGE) {
                 fwd->dontRetry(true);
@@ -1162,12 +1163,18 @@ HttpStateData::continueAfterParsingHeader()
             }
         } else {
             // parsed headers but got no reply
+            debugs(11, DBG_IMPORTANT, "WARNING: HTTP: Invalid Response: No reply at all for " << entry->url() << " AKA " << orig_request->GetHost() << orig_request->urlpath.termedBuf() );
             error = ERR_INVALID_RESP;
         }
     } else {
         assert(eof);
-        error = readBuf->hasContent() ?
-                ERR_INVALID_RESP : ERR_ZERO_SIZE_OBJECT;
+        if (readBuf->hasContent()) {
+            error = ERR_INVALID_RESP;
+            debugs(11, DBG_IMPORTANT, "WARNING: HTTP: Invalid Response: Headers did not parse at all for " << entry->url() << " AKA " << orig_request->GetHost() << orig_request->urlpath.termedBuf() );
+        } else {
+            error = ERR_ZERO_SIZE_OBJECT;
+            debugs(11, DBG_IMPORTANT, "WARNING: HTTP: Invalid Response: No object data received for " << entry->url() << " AKA " << orig_request->GetHost() << orig_request->urlpath.termedBuf() );
+        }
     }
 
     assert(error != ERR_NONE);