QUIC - track CHLO's reject reason for secure QUIC vs insecure QUIC.

net/quic/crypto/quic_crypto_client_config.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/crypto/quic_crypto_client_config.h"
 
 #include "base/metrics/sparse_histogram.h"
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "net/quic/crypto/cert_compressor.h"
@@ skipping 567 matching lines @@
     }
   }
 
   return QUIC_NO_ERROR;
 }
 
 QuicErrorCode QuicCryptoClientConfig::ProcessRejection(
     const CryptoHandshakeMessage& rej,
     QuicWallTime now,
     CachedState* cached,
+    bool is_https,
     QuicCryptoNegotiatedParameters* out_params,
     string* error_details) {
   DCHECK(error_details != NULL);
 
   if (rej.tag() != kREJ) {
     *error_details = "Message is not REJ";
     return QUIC_CRYPTO_INTERNAL_ERROR;
   }
 
   QuicErrorCode error = CacheNewServerConfig(rej, now, out_params->cached_certs,
@@ skipping 16 matching lines @@
     for (size_t i = 0; i < num_reject_reasons; ++i) {
       // HANDSHAKE_OK is 0 and don't report that as error.
       if (reject_reasons[i] == HANDSHAKE_OK || reject_reasons[i] >= 32) {
         continue;
       }
       HandshakeFailureReason reason =
           static_cast<HandshakeFailureReason>(reject_reasons[i]);
       packed_error |= 1 << (reason - 1);
     }
     DVLOG(1) << "Reasons for rejection: " << packed_error;
-    UMA_HISTOGRAM_SPARSE_SLOWLY("Net.QuicClientHelloRejectReasons",
-                                packed_error);
+    if (is_https) {
+      UMA_HISTOGRAM_SPARSE_SLOWLY("Net.QuicClientHelloRejectReasons.Secure",
+                                  packed_error);
+    } else {
+      UMA_HISTOGRAM_SPARSE_SLOWLY("Net.QuicClientHelloRejectReasons.Insecure",
+                                  packed_error);
+    }
   }
 
   return QUIC_NO_ERROR;
 }
 
 QuicErrorCode QuicCryptoClientConfig::ProcessServerHello(
     const CryptoHandshakeMessage& server_hello,
     QuicConnectionId connection_id,
     const QuicVersionVector& negotiated_versions,
     CachedState* cached,
@@ skipping 163 matching lines @@
     return;
   }
 
   // Update canonical version to point at the "most recent" entry.
   canonical_server_map_[suffix_server_id] = server_id;
 
   server_state->InitializeFrom(*canonical_state);
 }
 
 }  // namespace net