1 /*
2 * Copyright (C) 2015 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 <string.h>
18
19 #include <string>
20 #include <vector>
21
22 #include <android-base/logging.h>
23
24 #include "command.h"
25 #include "utils.h"
26
27 constexpr int SIMPLEPERF_VERSION = 1;
28
main(int argc,char ** argv)29 int main(int argc, char** argv) {
30 android::base::InitLogging(argv, android::base::StderrLogger);
31 std::vector<std::string> args;
32 android::base::LogSeverity log_severity = android::base::INFO;
33
34 for (int i = 1; i < argc; ++i) {
35 if (strcmp(argv[i], "--help") == 0 || strcmp(argv[i], "-h") == 0) {
36 args.insert(args.begin(), "help");
37 } else if (strcmp(argv[i], "--log") == 0) {
38 if (i + 1 < argc) {
39 ++i;
40 if (!GetLogSeverity(argv[i], &log_severity)) {
41 LOG(ERROR) << "Unknown log severity: " << argv[i];
42 return 1;
43 }
44 } else {
45 LOG(ERROR) << "Missing argument for --log option.\n";
46 return 1;
47 }
48 } else if (strcmp(argv[i], "--version") == 0) {
49 LOG(INFO) << "Simpleperf version " << SIMPLEPERF_VERSION << ", revision "
50 << SIMPLEPERF_REVISION;
51 return 0;
52 } else {
53 args.push_back(argv[i]);
54 }
55 }
56 android::base::ScopedLogSeverity severity(log_severity);
57
58 if (args.empty()) {
59 args.push_back("help");
60 }
61 std::unique_ptr<Command> command = CreateCommandInstance(args[0]);
62 if (command == nullptr) {
63 LOG(ERROR) << "malformed command line: unknown command " << args[0];
64 return 1;
65 }
66 std::string command_name = args[0];
67 args.erase(args.begin());
68
69 LOG(DEBUG) << "command '" << command_name << "' starts running";
70 bool result = command->Run(args);
71 LOG(DEBUG) << "command '" << command_name << "' "
72 << (result ? "finished successfully" : "failed");
73 return result ? 0 : 1;
74 }
75