1 /*
2 * Copyright (C) 2023 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
17 #include "src/trace_processor/importers/proto/winscope/surfaceflinger_layers_parser.h"
18
19 #include "perfetto/ext/base/base64.h"
20 #include "protos/perfetto/trace/android/surfaceflinger_layers.pbzero.h"
21 #include "src/trace_processor/importers/common/args_tracker.h"
22 #include "src/trace_processor/importers/proto/args_parser.h"
23 #include "src/trace_processor/types/trace_processor_context.h"
24 #include "src/trace_processor/util/winscope_proto_mapping.h"
25
26 namespace perfetto {
27 namespace trace_processor {
28
SurfaceFlingerLayersParser(TraceProcessorContext * context)29 SurfaceFlingerLayersParser::SurfaceFlingerLayersParser(
30 TraceProcessorContext* context)
31 : context_{context}, args_parser_{*context->descriptor_pool_} {}
32
Parse(int64_t timestamp,protozero::ConstBytes blob)33 void SurfaceFlingerLayersParser::Parse(int64_t timestamp,
34 protozero::ConstBytes blob) {
35 protos::pbzero::LayersSnapshotProto::Decoder snapshot_decoder(blob);
36 tables::SurfaceFlingerLayersSnapshotTable::Row snapshot;
37 snapshot.ts = timestamp;
38 snapshot.base64_proto_id = context_->storage->mutable_string_pool()
39 ->InternString(base::StringView(
40 base::Base64Encode(blob.data, blob.size)))
41 .raw_id();
42 auto snapshot_id =
43 context_->storage->mutable_surfaceflinger_layers_snapshot_table()
44 ->Insert(snapshot)
45 .id;
46
47 auto inserter = context_->args_tracker->AddArgsTo(snapshot_id);
48 ArgsParser writer(timestamp, inserter, *context_->storage);
49 const auto table_name = tables::SurfaceFlingerLayersSnapshotTable::Name();
50 auto allowed_fields =
51 util::winscope_proto_mapping::GetAllowedFields(table_name);
52 base::Status status = args_parser_.ParseMessage(
53 blob, *util::winscope_proto_mapping::GetProtoName(table_name),
54 &allowed_fields.value(), writer);
55 if (!status.ok()) {
56 context_->storage->IncrementStats(stats::winscope_sf_layers_parse_errors);
57 }
58
59 protos::pbzero::LayersProto::Decoder layers_decoder(
60 snapshot_decoder.layers());
61 for (auto it = layers_decoder.layers(); it; ++it) {
62 ParseLayer(timestamp, *it, snapshot_id);
63 }
64 }
65
ParseLayer(int64_t timestamp,protozero::ConstBytes blob,tables::SurfaceFlingerLayersSnapshotTable::Id snapshot_id)66 void SurfaceFlingerLayersParser::ParseLayer(
67 int64_t timestamp,
68 protozero::ConstBytes blob,
69 tables::SurfaceFlingerLayersSnapshotTable::Id snapshot_id) {
70 tables::SurfaceFlingerLayerTable::Row layer;
71 layer.snapshot_id = snapshot_id;
72 layer.base64_proto_id = context_->storage->mutable_string_pool()
73 ->InternString(base::StringView(
74 base::Base64Encode(blob.data, blob.size)))
75 .raw_id();
76 auto layerId =
77 context_->storage->mutable_surfaceflinger_layer_table()->Insert(layer).id;
78
79 ArgsTracker tracker(context_);
80 auto inserter = tracker.AddArgsTo(layerId);
81 ArgsParser writer(timestamp, inserter, *context_->storage);
82 base::Status status =
83 args_parser_.ParseMessage(blob,
84 *util::winscope_proto_mapping::GetProtoName(
85 tables::SurfaceFlingerLayerTable::Name()),
86 nullptr /* parse all fields */, writer);
87 if (!status.ok()) {
88 context_->storage->IncrementStats(stats::winscope_sf_layers_parse_errors);
89 }
90 }
91
92 } // namespace trace_processor
93 } // namespace perfetto
94