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.data,
36 blob.size);
37 tables::SurfaceFlingerLayersSnapshotTable::Row snapshot;
38 snapshot.ts = timestamp;
39 snapshot.base64_proto =
40 context_->storage->mutable_string_pool()->InternString(
41 base::StringView(base::Base64Encode(blob.data, blob.size)));
42 snapshot.base64_proto_id = snapshot.base64_proto.raw_id();
43 auto snapshot_id =
44 context_->storage->mutable_surfaceflinger_layers_snapshot_table()
45 ->Insert(snapshot)
46 .id;
47
48 auto inserter = context_->args_tracker->AddArgsTo(snapshot_id);
49 ArgsParser writer(timestamp, inserter, *context_->storage);
50 const auto table_name = tables::SurfaceFlingerLayersSnapshotTable::Name();
51 auto allowed_fields =
52 util::winscope_proto_mapping::GetAllowedFields(table_name);
53 base::Status status = args_parser_.ParseMessage(
54 blob, *util::winscope_proto_mapping::GetProtoName(table_name),
55 &allowed_fields.value(), writer);
56 if (!status.ok()) {
57 context_->storage->IncrementStats(stats::winscope_sf_layers_parse_errors);
58 }
59
60 protos::pbzero::LayersProto::Decoder layers_decoder(
61 snapshot_decoder.layers().data, snapshot_decoder.layers().size);
62 for (auto it = layers_decoder.layers(); it; ++it) {
63 ParseLayer(timestamp, *it, snapshot_id);
64 }
65 }
66
ParseLayer(int64_t timestamp,protozero::ConstBytes blob,tables::SurfaceFlingerLayersSnapshotTable::Id snapshot_id)67 void SurfaceFlingerLayersParser::ParseLayer(
68 int64_t timestamp,
69 protozero::ConstBytes blob,
70 tables::SurfaceFlingerLayersSnapshotTable::Id snapshot_id) {
71 tables::SurfaceFlingerLayerTable::Row layer;
72 layer.snapshot_id = snapshot_id;
73 layer.base64_proto = context_->storage->mutable_string_pool()->InternString(
74 base::StringView(base::Base64Encode(blob.data, blob.size)));
75 layer.base64_proto_id = layer.base64_proto.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