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Side by Side Diff: net/nqe/network_quality_estimator_params.cc

Issue 2763853002: Use Android callback API to obtain cellular signal strength (Closed)
Patch Set: ps Created 3 years, 9 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 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/nqe/network_quality_estimator_params.h" 5 #include "net/nqe/network_quality_estimator_params.h"
6 6
7 #include <stdint.h> 7 #include <stdint.h>
8 8
9 #include "base/strings/string_number_conversions.h" 9 #include "base/strings/string_number_conversions.h"
10 #include "base/time/time.h" 10 #include "base/time/time.h"
(...skipping 79 matching lines...) Expand 10 before | Expand all | Expand 10 after
90 auto it = variation_params.find("HalfLifeSeconds"); 90 auto it = variation_params.find("HalfLifeSeconds");
91 if (it != variation_params.end() && 91 if (it != variation_params.end() &&
92 base::StringToInt(it->second, &variations_value) && 92 base::StringToInt(it->second, &variations_value) &&
93 variations_value >= 1) { 93 variations_value >= 1) {
94 half_life_seconds = variations_value; 94 half_life_seconds = variations_value;
95 } 95 }
96 DCHECK_GT(half_life_seconds, 0); 96 DCHECK_GT(half_life_seconds, 0);
97 return pow(0.5, 1.0 / half_life_seconds); 97 return pow(0.5, 1.0 / half_life_seconds);
98 } 98 }
99 99
100 double GetWeightMultiplierPerDbm( 100 double GetWeightMultiplierPerSignalStrengthLevel(
101 const std::map<std::string, std::string>& variation_params) { 101 const std::map<std::string, std::string>& variation_params) {
102 // The default weight is set to 1.0, so by default, RSSI has no effect on the 102 // The default weight is set to 1.0, so by default, RSSI has no effect on the
103 // observation's weight. 103 // observation's weight.
104 return GetDoubleValueForVariationParamWithDefaultValue( 104 return GetDoubleValueForVariationParamWithDefaultValue(
105 variation_params, "rssi_weight_per_dbm", 1.0); 105 variation_params, "rssi_weight_per_signal_strength_level", 1.0);
106 } 106 }
107 107
108 const char* GetNameForConnectionType( 108 const char* GetNameForConnectionType(
109 net::NetworkChangeNotifier::ConnectionType connection_type) { 109 net::NetworkChangeNotifier::ConnectionType connection_type) {
110 switch (connection_type) { 110 switch (connection_type) {
111 case net::NetworkChangeNotifier::CONNECTION_UNKNOWN: 111 case net::NetworkChangeNotifier::CONNECTION_UNKNOWN:
112 return "Unknown"; 112 return "Unknown";
113 case net::NetworkChangeNotifier::CONNECTION_ETHERNET: 113 case net::NetworkChangeNotifier::CONNECTION_ETHERNET:
114 return "Ethernet"; 114 return "Ethernet";
115 case net::NetworkChangeNotifier::CONNECTION_WIFI: 115 case net::NetworkChangeNotifier::CONNECTION_WIFI:
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384 // Use 1000 milliseconds as the default value. 384 // Use 1000 milliseconds as the default value.
385 return base::TimeDelta::FromMilliseconds(GetValueForVariationParam( 385 return base::TimeDelta::FromMilliseconds(GetValueForVariationParam(
386 variation_params, "min_socket_watcher_notification_interval_msec", 1000)); 386 variation_params, "min_socket_watcher_notification_interval_msec", 1000));
387 } 387 }
388 388
389 } // namespace internal 389 } // namespace internal
390 390
391 } // namespace nqe 391 } // namespace nqe
392 392
393 } // namespace net 393 } // namespace net
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