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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "net/socket/client_socket.h" | 5 #include "net/socket/client_socket.h" |
| 6 | 6 |
| 7 #include "base/metrics/field_trial.h" | 7 #include "base/metrics/field_trial.h" |
| 8 #include "base/metrics/histogram.h" | 8 #include "base/metrics/histogram.h" |
| 9 #include "base/string_number_conversions.h" | 9 #include "base/string_number_conversions.h" |
| 10 #include "base/values.h" | 10 #include "base/values.h" |
| (...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 59 } | 59 } |
| 60 | 60 |
| 61 void ClientSocket::UseHistory::Reset() { | 61 void ClientSocket::UseHistory::Reset() { |
| 62 EmitPreconnectionHistograms(); | 62 EmitPreconnectionHistograms(); |
| 63 was_ever_connected_ = false; | 63 was_ever_connected_ = false; |
| 64 was_used_to_convey_data_ = false; | 64 was_used_to_convey_data_ = false; |
| 65 // omnibox_speculation_ and subresource_speculation_ values | 65 // omnibox_speculation_ and subresource_speculation_ values |
| 66 // are intentionally preserved. | 66 // are intentionally preserved. |
| 67 } | 67 } |
| 68 | 68 |
| 69 void ClientSocket::UseHistory::EmitPreconnectionHistograms() const { | |
| 70 DCHECK(!subresource_speculation_ || !omnibox_speculation_); | |
| 71 // 0 ==> non-speculative, never connected. | |
| 72 // 1 ==> non-speculative never used (but connected). | |
| 73 // 2 ==> non-speculative and used. | |
| 74 // 3 ==> omnibox_speculative never connected. | |
| 75 // 4 ==> omnibox_speculative never used (but connected). | |
| 76 // 5 ==> omnibox_speculative and used. | |
| 77 // 6 ==> subresource_speculative never connected. | |
| 78 // 7 ==> subresource_speculative never used (but connected). | |
| 79 // 8 ==> subresource_speculative and used. | |
| 80 int result; | |
| 81 if (was_used_to_convey_data_) | |
| 82 result = 2; | |
| 83 else if (was_ever_connected_) | |
| 84 result = 1; | |
| 85 else | |
| 86 result = 0; // Never used, and not really connected. | |
| 87 | |
| 88 if (omnibox_speculation_) | |
| 89 result += 3; | |
| 90 else if (subresource_speculation_) | |
| 91 result += 6; | |
| 92 UMA_HISTOGRAM_ENUMERATION("Net.PreconnectUtilization2", result, 9); | |
| 93 | |
| 94 static const bool connect_backup_jobs_fieldtrial = | |
| 95 base::FieldTrialList::Find("ConnnectBackupJobs") && | |
| 96 !base::FieldTrialList::Find("ConnnectBackupJobs")->group_name().empty(); | |
| 97 if (connect_backup_jobs_fieldtrial) { | |
| 98 UMA_HISTOGRAM_ENUMERATION( | |
| 99 base::FieldTrial::MakeName("Net.PreconnectUtilization2", | |
| 100 "ConnnectBackupJobs"), | |
| 101 result, 9); | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 void ClientSocket::UseHistory::set_was_ever_connected() { | 69 void ClientSocket::UseHistory::set_was_ever_connected() { |
| 106 DCHECK(!was_used_to_convey_data_); | 70 DCHECK(!was_used_to_convey_data_); |
| 107 was_ever_connected_ = true; | 71 was_ever_connected_ = true; |
| 108 } | 72 } |
| 109 | 73 |
| 110 void ClientSocket::UseHistory::set_was_used_to_convey_data() { | 74 void ClientSocket::UseHistory::set_was_used_to_convey_data() { |
| 111 DCHECK(was_ever_connected_); | 75 DCHECK(was_ever_connected_); |
| 112 was_used_to_convey_data_ = true; | 76 was_used_to_convey_data_ = true; |
| 113 } | 77 } |
| 114 | 78 |
| (...skipping 22 matching lines...) Expand all Loading... |
| 137 if (was_used_to_convey_data_) | 101 if (was_used_to_convey_data_) |
| 138 return; | 102 return; |
| 139 omnibox_speculation_ = true; | 103 omnibox_speculation_ = true; |
| 140 } | 104 } |
| 141 | 105 |
| 142 bool ClientSocket::UseHistory::was_used_to_convey_data() const { | 106 bool ClientSocket::UseHistory::was_used_to_convey_data() const { |
| 143 DCHECK(!was_used_to_convey_data_ || was_ever_connected_); | 107 DCHECK(!was_used_to_convey_data_ || was_ever_connected_); |
| 144 return was_used_to_convey_data_; | 108 return was_used_to_convey_data_; |
| 145 } | 109 } |
| 146 | 110 |
| 111 void ClientSocket::UseHistory::EmitPreconnectionHistograms() const { |
| 112 DCHECK(!subresource_speculation_ || !omnibox_speculation_); |
| 113 // 0 ==> non-speculative, never connected. |
| 114 // 1 ==> non-speculative never used (but connected). |
| 115 // 2 ==> non-speculative and used. |
| 116 // 3 ==> omnibox_speculative never connected. |
| 117 // 4 ==> omnibox_speculative never used (but connected). |
| 118 // 5 ==> omnibox_speculative and used. |
| 119 // 6 ==> subresource_speculative never connected. |
| 120 // 7 ==> subresource_speculative never used (but connected). |
| 121 // 8 ==> subresource_speculative and used. |
| 122 int result; |
| 123 if (was_used_to_convey_data_) |
| 124 result = 2; |
| 125 else if (was_ever_connected_) |
| 126 result = 1; |
| 127 else |
| 128 result = 0; // Never used, and not really connected. |
| 129 |
| 130 if (omnibox_speculation_) |
| 131 result += 3; |
| 132 else if (subresource_speculation_) |
| 133 result += 6; |
| 134 UMA_HISTOGRAM_ENUMERATION("Net.PreconnectUtilization2", result, 9); |
| 135 |
| 136 static const bool connect_backup_jobs_fieldtrial = |
| 137 base::FieldTrialList::Find("ConnnectBackupJobs") && |
| 138 !base::FieldTrialList::Find("ConnnectBackupJobs")->group_name().empty(); |
| 139 if (connect_backup_jobs_fieldtrial) { |
| 140 UMA_HISTOGRAM_ENUMERATION( |
| 141 base::FieldTrial::MakeName("Net.PreconnectUtilization2", |
| 142 "ConnnectBackupJobs"), |
| 143 result, 9); |
| 144 } |
| 145 } |
| 146 |
| 147 void ClientSocket::LogByteTransfer(const BoundNetLog& net_log, | 147 void ClientSocket::LogByteTransfer(const BoundNetLog& net_log, |
| 148 NetLog::EventType event_type, | 148 NetLog::EventType event_type, |
| 149 int byte_count, | 149 int byte_count, |
| 150 char* bytes) const { | 150 char* bytes) const { |
| 151 scoped_refptr<NetLog::EventParameters> params; | 151 scoped_refptr<NetLog::EventParameters> params; |
| 152 if (net_log.IsLoggingBytes()) { | 152 if (net_log.IsLoggingBytes()) { |
| 153 params = new NetLogBytesTransferredParameter(byte_count, bytes); | 153 params = new NetLogBytesTransferredParameter(byte_count, bytes); |
| 154 } else { | 154 } else { |
| 155 params = new NetLogBytesTransferredParameter(byte_count, NULL); | 155 params = new NetLogBytesTransferredParameter(byte_count, NULL); |
| 156 } | 156 } |
| 157 net_log.AddEvent(event_type, params); | 157 net_log.AddEvent(event_type, params); |
| 158 } | 158 } |
| 159 | 159 |
| 160 } // namespace net | 160 } // namespace net |
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