Adding new SSL Connection Error/Latency metrics

net/socket/ssl_client_socket_pool.cc

 // Copyright (c) 2012 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/socket/ssl_client_socket_pool.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 328 matching lines @@
     connection_attempts_.push_back(ConnectionAttempt(server_address_, result));
     server_address_ = IPEndPoint();
   }
 
   // If we want SPDY over ALPN, make sure it succeeded.
   if (params_->expect_spdy() &&
       ssl_socket_->GetNegotiatedProtocol() != kProtoHTTP2) {
     return ERR_ALPN_NEGOTIATION_FAILED;
   }
 
+  const std::string& host = params_->host_and_port().host();
+  bool is_google =
+      host == "google.com" ||
+      (host.size() > 11 && host.rfind(".google.com") == host.size() - 11);
+
+  // These are hosts that we intend to use in the initial TLS 1.3 deployment.
+  // TLS connections to them, whether or not this browser is in the experiment
+  // group, form the basis of our comparisons.
+  bool tls13_supported =
+      (host == "drive.google.com" || host == "mail.google.com");
+
   if (result == OK ||
       ssl_socket_->IgnoreCertError(result, params_->load_flags())) {
     DCHECK(!connect_timing_.ssl_start.is_null());
     base::TimeDelta connect_duration =
         connect_timing_.ssl_end - connect_timing_.ssl_start;
     if (params_->expect_spdy()) {
       UMA_HISTOGRAM_CUSTOM_TIMES("Net.SpdyConnectionLatency_2",
                                  connect_duration,
                                  base::TimeDelta::FromMilliseconds(1),
                                  base::TimeDelta::FromMinutes(1),
@@ skipping 30 matching lines @@
                                  base::TimeDelta::FromMinutes(1),
                                  100);
     } else if (ssl_info.handshake_type == SSLInfo::HANDSHAKE_FULL) {
       UMA_HISTOGRAM_CUSTOM_TIMES("Net.SSL_Connection_Latency_Full_Handshake",
                                  connect_duration,
                                  base::TimeDelta::FromMilliseconds(1),
                                  base::TimeDelta::FromMinutes(1),
                                  100);
     }
 
-    const std::string& host = params_->host_and_port().host();
-    bool is_google =
-        host == "google.com" ||
-        (host.size() > 11 && host.rfind(".google.com") == host.size() - 11);
     if (is_google) {
       UMA_HISTOGRAM_CUSTOM_TIMES("Net.SSL_Connection_Latency_Google2",
                                  connect_duration,
                                  base::TimeDelta::FromMilliseconds(1),
                                  base::TimeDelta::FromMinutes(1),
                                  100);
       if (ssl_info.handshake_type == SSLInfo::HANDSHAKE_RESUME) {
         UMA_HISTOGRAM_CUSTOM_TIMES("Net.SSL_Connection_Latency_Google_"
                                        "Resume_Handshake",
                                    connect_duration,
                                    base::TimeDelta::FromMilliseconds(1),
                                    base::TimeDelta::FromMinutes(1),
                                    100);
       } else if (ssl_info.handshake_type == SSLInfo::HANDSHAKE_FULL) {
         UMA_HISTOGRAM_CUSTOM_TIMES("Net.SSL_Connection_Latency_Google_"
                                        "Full_Handshake",
                                    connect_duration,
                                    base::TimeDelta::FromMilliseconds(1),
                                    base::TimeDelta::FromMinutes(1),
                                    100);
       }
     }
+
+    if (tls13_supported) {
+      UMA_HISTOGRAM_CUSTOM_TIMES("Net.SSL_Connection_Latency_TLS13Experiment",
+                                 connect_duration,
+                                 base::TimeDelta::FromMilliseconds(1),
+                                 base::TimeDelta::FromMinutes(1), 100);
+    }
   }
 
   UMA_HISTOGRAM_SPARSE_SLOWLY("Net.SSL_Connection_Error", std::abs(result));
 
+  if (is_google) {
+    UMA_HISTOGRAM_SPARSE_SLOWLY("Net.SSL_Connection_Error_Google",
+                                std::abs(result));
+  }
+
+  if (tls13_supported) {
+    UMA_HISTOGRAM_SPARSE_SLOWLY("Net.SSL_Connection_Error_TLS13Experiment",
+                                std::abs(result));
+  }
+
   if (result == OK || IsCertificateError(result)) {
     SetSocket(std::move(ssl_socket_));
   } else if (result == ERR_SSL_CLIENT_AUTH_CERT_NEEDED) {
     error_response_info_.cert_request_info = new SSLCertRequestInfo;
     ssl_socket_->GetSSLCertRequestInfo(
         error_response_info_.cert_request_info.get());
   }
 
   return result;
 }
@@ skipping 240 matching lines @@
   if (base_.CloseOneIdleSocket())
     return true;
   return base_.CloseOneIdleConnectionInHigherLayeredPool();
 }
 
 void SSLClientSocketPool::OnSSLConfigChanged() {
   FlushWithError(ERR_NETWORK_CHANGED);
 }
 
 }  // namespace net