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