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 tables::WindowManagerShellTransitionProtosTable::Row protos;
50 protos.transition_id = transition.id();
51 protos.base64_proto_id = context_->storage->mutable_string_pool()
52 ->InternString(base::StringView(
53 base::Base64Encode(blob.data, blob.size)))
54 .raw_id();
55 context_->storage->mutable_window_manager_shell_transition_protos_table()
56 ->Insert(protos);
57
58 auto inserter = context_->args_tracker->AddArgsTo(row_id);
59 ArgsParser writer(/*timestamp=*/0, inserter, *context_->storage.get());
60 base::Status status = args_parser_.ParseMessage(
61 blob,
62 *util::winscope_proto_mapping::GetProtoName(
63 tables::WindowManagerShellTransitionProtosTable::Name()),
64 nullptr /* parse all fields */, writer);
65
66 if (!status.ok()) {
67 context_->storage->IncrementStats(
68 stats::winscope_shell_transitions_parse_errors);
69 }
70 }
71
ParseHandlerMappings(protozero::ConstBytes blob)72 void ShellTransitionsParser::ParseHandlerMappings(protozero::ConstBytes blob) {
73 auto* shell_handlers_table =
74 context_->storage
75 ->mutable_window_manager_shell_transition_handlers_table();
76
77 protos::pbzero::ShellHandlerMappings::Decoder handler_mappings(blob);
78 for (auto it = handler_mappings.mapping(); it; ++it) {
79 protos::pbzero::ShellHandlerMapping::Decoder mapping(it.field().as_bytes());
80
81 tables::WindowManagerShellTransitionHandlersTable::Row row;
82 row.handler_id = mapping.id();
83 row.handler_name = context_->storage->InternString(
84 base::StringView(mapping.name().ToStdString()));
85 row.base64_proto_id = context_->storage->mutable_string_pool()
86 ->InternString(base::StringView(
87 base::Base64Encode(blob.data, blob.size)))
88 .raw_id();
89 shell_handlers_table->Insert(row);
90 }
91 }
92
93 } // namespace trace_processor
94 } // namespace perfetto
95