1/*
2 * Copyright (C) 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17syntax = "proto2";
18
19import "frameworks/base/core/proto/android/server/accessibility.proto";
20import "frameworks/base/core/proto/android/server/windowmanagerservice.proto";
21
22package com.android.server.accessibility;
23
24option java_multiple_files = true;
25
26/* represents a file full of accessibility trace entries.
27   Encoded, it should start with 0x9 0x41 0x31 0x31 0x59 0x54 0x52 0x41 0x43 (.A11YTRAC), such
28   that they can be easily identified. */
29message AccessibilityTraceFileProto {
30
31    /* constant; MAGIC_NUMBER = (long) MAGIC_NUMBER_H << 32 | MagicNumber.MAGIC_NUMBER_L
32       (this is needed because enums have to be 32 bits and there's no nice way to put 64bit
33        constants into .proto files. */
34    enum MagicNumber {
35        INVALID = 0;
36        MAGIC_NUMBER_L = 0x59313141;  /* A11Y (little-endian ASCII) */
37        MAGIC_NUMBER_H = 0x43415254;  /* TRAC (little-endian ASCII) */
38    }
39
40    optional fixed64 magic_number = 1;  /* Must be the first field, set to value in MagicNumber */
41    repeated AccessibilityTraceProto entry = 2;
42
43    /* offset between real-time clock and elapsed time clock in nanoseconds.
44       Calculated as: 1000000 * System.currentTimeMillis() - SystemClock.elapsedRealtimeNanos() */
45    optional fixed64 real_to_elapsed_time_offset_nanos = 3;
46}
47
48/* one accessibility trace entry. */
49message AccessibilityTraceProto {
50    /* required: elapsed realtime in nanos since boot of when this entry was logged */
51    optional fixed64 elapsed_realtime_nanos = 1;
52    optional string calendar_time = 2;
53    repeated string logging_type = 3;
54    optional string process_name = 4;
55    optional string thread_id_name = 5;
56
57    /* where the trace originated */
58    optional string where = 6;
59
60    optional string calling_pkg = 7;
61    optional string calling_params = 8;
62    optional string calling_stacks = 9;
63
64    optional AccessibilityDumpProto accessibility_service = 10;
65    optional com.android.server.wm.WindowManagerServiceDumpProto window_manager_service = 11;
66    optional string cpu_stats = 12;
67}
68