diff options
Diffstat (limited to 'service')
| -rw-r--r-- | service/Android.mk | 4 | ||||
| -rw-r--r-- | service/proto/Android.bp | 21 | ||||
| -rw-r--r-- | service/proto/src/scorecard.proto | 107 |
3 files changed, 131 insertions, 1 deletions
diff --git a/service/Android.mk b/service/Android.mk index d336b7bbd..3f67ee5cb 100644 --- a/service/Android.mk +++ b/service/Android.mk @@ -58,6 +58,7 @@ LOCAL_SRC_FILES := $(call all-java-files-under, java) \ LOCAL_JAVA_LIBRARIES := \ android.hidl.manager-V1.0-java \ error_prone_annotations \ + libprotobuf-java-lite \ jsr305 \ services LOCAL_STATIC_JAVA_LIBRARIES := \ @@ -69,7 +70,8 @@ LOCAL_STATIC_JAVA_LIBRARIES := \ android.hardware.wifi.hostapd-V1.1-java \ android.hardware.wifi.supplicant-V1.0-java \ android.hardware.wifi.supplicant-V1.1-java \ - android.hardware.wifi.supplicant-V1.2-java \ + android.hardware.wifi.supplicant-V1.2-java \ + wifi_service_proto \ ksoap2 \ libnanohttpd diff --git a/service/proto/Android.bp b/service/proto/Android.bp new file mode 100644 index 000000000..3686bb05e --- /dev/null +++ b/service/proto/Android.bp @@ -0,0 +1,21 @@ +// Copyright (C) 2018 The Android Open Source Project +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +java_library { + name: "wifi_service_proto", + proto: { + type: "lite", + }, + srcs: ["src/**/*.proto"], +} diff --git a/service/proto/src/scorecard.proto b/service/proto/src/scorecard.proto new file mode 100644 index 000000000..9640207dc --- /dev/null +++ b/service/proto/src/scorecard.proto @@ -0,0 +1,107 @@ +// +// Copyright (C) 2018 The Android Open Source Project +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// + +syntax = "proto2"; + +package com_android_server_wifi; + +option java_package = "com.android.server.wifi"; +option java_outer_classname = "WifiScoreCardProto"; + +message NetworkList { + optional int64 start_time_millis = 1; // Start of collection period + optional int64 end_time_millis = 2; // End of collection period + // A collection of network descriptions + repeated Network networks = 3; +}; + +// Describes a network, consisting of a collection of access points that share +// the same SSID, the same security type, and (hopefully) the same L3 subnet. +message Network { + optional string ssid = 1; // The SSID + reserved 2; // Reserved for security type + repeated AccessPoint access_points = 3; +}; + +// Describes an access point (single BSSID) +// +// In addition to the BSSID, a concise id is assigned to track references +// among APs. These ids are local to the device, but unique among all APs +// known to the device. +message AccessPoint { + optional int32 id = 1; // Concise id + optional bytes bssid = 2; // BSSID of the access point + optional Technology technology = 3; // Wireless technology + repeated Signal event_stats = 4; // Statistics taken at specific events + repeated Roam roams = 5; // Roaming failures and successes +}; + +// Describes the IEEE 802.11 technology used by the access point +enum Technology { + MODE_11A = 1; // 802.11a + MODE_11B = 2; // 802.11b + MODE_11G = 3; // 802.11g + MODE_11N = 4; // 802.11n + MODE_11AC = 5; // 802.11ac +}; + +// Records statistics gathered at various points in the life-cycle of +// a connection, e.g., at disconnections of various flavors. May be +// further split out by frequency. +// +message Signal { + optional Event event = 1; // Type of the event + optional int32 frequency = 2; // Frequency (MHz) + optional UnivariateStatistic rssi = 3; // Signal strength (dBm) of beacons + optional UnivariateStatistic linkspeed = 4; // Link speed (Mbits/sec) +}; + +// Statistics about a real value +message UnivariateStatistic { + // Short-term statistics (for current collection period) + optional int64 count = 1; // Number of events + optional double sum = 2; // Sum of values + optional double sum_of_squares = 3; // Sum of squares of values + optional double min_value = 4; // Minimum value during period + optional double max_value = 5; // Maximum value during period + + // Long-term statistics + // These are accumulated over a longer time span, and are aged so that + // more recent measurements get a higher weight. + optional double historical_mean = 6; // Long-term average + optional double historical_variance = 7; // Long-term variance +}; + +// Tracks roaming failures and successes +message Roam { + optional int32 to_id = 1; // AP that we roamed to + optional int32 good = 2; // Successful roams + optional int32 bad = 3; // Failed roams +}; + +// Events where statistics may be collected +enum Event { + SIGNAL_POLL = 1; + SCAN_BEFORE_SUCCESSFUL_CONNECTION = 2; + FIRST_POLL_AFTER_CONNECTION = 3; + IP_CONFIGURATION_SUCCESS = 4; + SCAN_BEFORE_FAILED_CONNECTION = 5; + CONNECTION_FAILURE = 6; + IP_REACHABILITY_LOST = 7; + LAST_POLL_BEFORE_ROAM = 8; + ROAM_SUCCESS = 9; + WIFI_DISABLED = 10; +}; |