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/shell_transitions_parser.h"
18 #include "src/trace_processor/importers/proto/winscope/shell_transitions_tracker.h"
19
20 #include "perfetto/ext/base/base64.h"
21 #include "protos/perfetto/trace/android/shell_transition.pbzero.h"
22 #include "src/trace_processor/importers/common/args_tracker.h"
23 #include "src/trace_processor/importers/proto/args_parser.h"
24 #include "src/trace_processor/storage/trace_storage.h"
25 #include "src/trace_processor/types/trace_processor_context.h"
26 #include "src/trace_processor/util/winscope_proto_mapping.h"
27
28 namespace perfetto {
29 namespace trace_processor {
30
ShellTransitionsParser(TraceProcessorContext * context)31 ShellTransitionsParser::ShellTransitionsParser(TraceProcessorContext* context)
32 : context_(context), args_parser_{*context->descriptor_pool_} {}
33
ParseTransition(protozero::ConstBytes blob)34 void ShellTransitionsParser::ParseTransition(protozero::ConstBytes blob) {
35 protos::pbzero::ShellTransition::Decoder transition(blob);
36
37 auto row_id =
38 ShellTransitionsTracker::GetOrCreate(context_)->InternTransition(
39 transition.id());
40
41 auto* window_manager_shell_transitions_table =
42 context_->storage->mutable_window_manager_shell_transitions_table();
43 auto row = window_manager_shell_transitions_table->FindById(row_id).value();
44
45 if (transition.has_dispatch_time_ns()) {
46 row.set_ts(transition.dispatch_time_ns());
47 }
48
49 auto base64_proto = context_->storage->mutable_string_pool()->InternString(
50 base::StringView(base::Base64Encode(blob.data, blob.size)));
51 row.set_base64_proto(base64_proto);
52 row.set_base64_proto_id(base64_proto.raw_id());
53 auto inserter = context_->args_tracker->AddArgsTo(row_id);
54 ArgsParser writer(/*timestamp=*/0, inserter, *context_->storage.get());
55 base::Status status = args_parser_.ParseMessage(
56 blob,
57 *util::winscope_proto_mapping::GetProtoName(
58 tables::WindowManagerShellTransitionsTable::Name()),
59 nullptr /* parse all fields */, writer);
60
61 if (!status.ok()) {
62 context_->storage->IncrementStats(
63 stats::winscope_shell_transitions_parse_errors);
64 }
65 }
66
ParseHandlerMappings(protozero::ConstBytes blob)67 void ShellTransitionsParser::ParseHandlerMappings(protozero::ConstBytes blob) {
68 auto* shell_handlers_table =
69 context_->storage
70 ->mutable_window_manager_shell_transition_handlers_table();
71
72 protos::pbzero::ShellHandlerMappings::Decoder handler_mappings(blob);
73 for (auto it = handler_mappings.mapping(); it; ++it) {
74 protos::pbzero::ShellHandlerMapping::Decoder mapping(it.field().as_bytes());
75
76 tables::WindowManagerShellTransitionHandlersTable::Row row;
77 row.handler_id = mapping.id();
78 row.handler_name = context_->storage->InternString(
79 base::StringView(mapping.name().ToStdString()));
80 row.base64_proto = context_->storage->mutable_string_pool()->InternString(
81 base::StringView(base::Base64Encode(blob.data, blob.size)));
82 row.base64_proto_id = row.base64_proto.raw_id();
83 shell_handlers_table->Insert(row);
84 }
85 }
86
87 } // namespace trace_processor
88 } // namespace perfetto
89