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// Copyright 2014 Google Inc. All Rights Reserved.
// Author: pkanwar@google.com (Pankaj Kanwar)
// Protos for uploading bluetooth metrics.
syntax = "proto2";
package com.android.bluetooth.btservice;
option java_package = "com.android.bluetooth.btservice";
option java_outer_classname = "BluetoothProto";
//option (datapol.file_vetting_status) = "latest";
// import "storage/datapol/annotations/proto/semantic_annotations.proto";
message BluetoothLog {
// Session information that gets logged for every BT connection.
repeated BluetoothSession session = 1;
// Session information that gets logged for every Pair event.
repeated PairEvent pair_event = 2;
// Information for Wake locks.
repeated WakeEvent wake_event = 3;
// Scan event information.
repeated ScanEvent scan_event = 4;
}
// The information about the device.
message DeviceInfo {
// Device type.
enum DeviceType {
// Type is unknown.
DEVICE_TYPE_UNKNOWN = 0;
DEVICE_TYPE_BREDR = 1;
DEVICE_TYPE_LE = 2;
DEVICE_TYPE_DUMO = 3;
}
// Device class
// https://cs.corp.google.com/#android/system/bt/stack/include/btm_api.h&q=major_computer.
optional int32 device_class = 1;
// Device type.
optional DeviceType device_type = 2;
}
// Information that gets logged for every Bluetooth connection.
message BluetoothSession {
// Type of technology used in the connection.
enum ConnectionTechnologyType {
CONNECTION_TECHNOLOGY_TYPE_UNKNOWN = 0;
CONNECTION_TECHNOLOGY_TYPE_LE = 1;
CONNECTION_TECHNOLOGY_TYPE_BREDR = 2;
}
// Duration of the session.
optional int64 session_duration_sec = 2;
// Technology type.
optional ConnectionTechnologyType connection_technology_type = 3;
// Reason for disconnecting.
optional string disconnect_reason = 4;
// The information about the device which it is connected to.
optional DeviceInfo device_connected_to = 5;
// The information about the RFComm session.
optional RFCommSession rfcomm_session = 6;
// The information about the A2DP session.
optional A2DPSession a2dp_session = 7;
}
message RFCommSession {
// bytes transmitted.
optional int32 rx_bytes = 1;
// bytes transmitted.
optional int32 tx_bytes = 2;
}
// Session information that gets logged for every A2DP session.
message A2DPSession {
// Media timer in milliseconds.
optional int32 media_timer_min_millis = 1;
// Media timer in milliseconds.
optional int32 media_timer_max_millis = 2;
// Media timer in milliseconds.
optional int32 media_timer_avg_millis = 3;
// Buffer overruns count.
optional int32 buffer_overruns_max_count = 4;
// Buffer overruns total.
optional int32 buffer_overruns_total = 5;
// Buffer underruns average.
optional float buffer_underruns_average = 6;
// Buffer underruns count.
optional int32 buffer_underruns_count = 7;
}
message PairEvent {
// The reason for disconnecting
// https://cs.corp.google.com/#android/system/bt/stack/include/hcidefs.h&q=failed_establish.
optional int32 disconnect_reason = 1;
// Pair event time
optional int64 event_time_millis = 2; // [(datapol.semantic_type) = ST_TIMESTAMP];
// The information about the device which it is paired to.
optional DeviceInfo device_paired_with = 3;
}
message WakeEvent {
// Information about the wake event type.
enum WakeEventType {
// Type is unknown.
UNKNOWN = 0;
// WakeLock was acquired.
ACQUIRED = 1;
// WakeLock was released.
RELEASED = 2;
}
// Information about the wake event type.
optional WakeEventType wake_event_type = 1;
// Initiator of the scan. Only the first three names will be stored.
// e.g. com.google.gms.
optional string requestor = 2;
// Name of the wakelock (e.g. bluedroid_timer).
optional string name = 3;
// Time of the event.
optional int64 event_time_millis = 4; // [(datapol.semantic_type) = ST_TIMESTAMP];
}
message ScanEvent {
// Scan type.
enum ScanTechnologyType {
// Scan Type is unknown.
SCAN_TYPE_UNKNOWN = 0;
SCAN_TECH_TYPE_LE = 1;
SCAN_TECH_TYPE_BREDR = 2;
SCAN_TECH_TYPE_BOTH = 3;
}
// Scan event type.
enum ScanEventType {
// Scan started.
SCAN_EVENT_START = 0;
// Scan stopped.
SCAN_EVENT_STOP = 1;
}
// Scan event type.
optional ScanEventType scan_event_type = 1;
// Initiator of the scan. Only the first three names will be stored.
// e.g. com.google.gms.
optional string initiator = 2;
// Technology used for scanning.
optional ScanTechnologyType scan_technology_type = 3;
// Number of results returned.
optional int32 number_results = 4;
// Time of the event.
optional int64 event_time_millis = 5; // [(datapol.semantic_type) = ST_TIMESTAMP];
}
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