1 /*
2 * Copyright (C) 2024 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/trace_reader_registry.h"
18
19 #include <memory>
20 #include <utility>
21
22 #include "perfetto/base/logging.h"
23 #include "perfetto/base/status.h"
24 #include "perfetto/ext/base/status_or.h"
25 #include "src/trace_processor/importers/common/chunked_trace_reader.h"
26 #include "src/trace_processor/types/trace_processor_context.h"
27 #include "src/trace_processor/util/gzip_utils.h"
28 #include "src/trace_processor/util/trace_type.h"
29
30 namespace perfetto::trace_processor {
31 namespace {
32 const char kNoZlibErr[] =
33 "Cannot open compressed trace. zlib not enabled in the build config";
34
RequiresZlibSupport(TraceType type)35 bool RequiresZlibSupport(TraceType type) {
36 switch (type) {
37 case kGzipTraceType:
38 case kAndroidBugreportTraceType:
39 case kCtraceTraceType:
40 case kZipFile:
41 return true;
42
43 case kNinjaLogTraceType:
44 case kSystraceTraceType:
45 case kPerfDataTraceType:
46 case kInstrumentsXmlTraceType:
47 case kUnknownTraceType:
48 case kJsonTraceType:
49 case kFuchsiaTraceType:
50 case kProtoTraceType:
51 case kSymbolsTraceType:
52 case kAndroidLogcatTraceType:
53 case kAndroidDumpstateTraceType:
54 case kGeckoTraceType:
55 case kArtMethodTraceType:
56 case kPerfTextTraceType:
57 case kTarTraceType:
58 return false;
59 }
60 PERFETTO_FATAL("For GCC");
61 }
62 } // namespace
63
RegisterFactory(TraceType trace_type,Factory factory)64 void TraceReaderRegistry::RegisterFactory(TraceType trace_type,
65 Factory factory) {
66 PERFETTO_CHECK(factories_.Insert(trace_type, std::move(factory)).second);
67 }
68
69 base::StatusOr<std::unique_ptr<ChunkedTraceReader>>
CreateTraceReader(TraceType type)70 TraceReaderRegistry::CreateTraceReader(TraceType type) {
71 if (auto* it = factories_.Find(type); it) {
72 return (*it)(context_);
73 }
74
75 if (RequiresZlibSupport(type) && !util::IsGzipSupported()) {
76 return base::ErrStatus("%s support is disabled. %s",
77 TraceTypeToString(type), kNoZlibErr);
78 }
79
80 return base::ErrStatus("%s support is disabled", TraceTypeToString(type));
81 }
82
83 } // namespace perfetto::trace_processor
84