Home | History | Annotate | Download | only in perfetto_cmd
      1 /*
      2  * Copyright (C) 2019 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 <getopt.h>
     18 
     19 #include <string>
     20 #include <vector>
     21 
     22 #include "perfetto/base/logging.h"
     23 #include "perfetto/base/unix_task_runner.h"
     24 #include "perfetto/traced/traced.h"
     25 #include "src/perfetto_cmd/trigger_producer.h"
     26 
     27 namespace perfetto {
     28 namespace {
     29 
     30 int PrintUsage(const char* argv0) {
     31   PERFETTO_ELOG(R"(
     32 Usage: %s TRIGGER...
     33   -h|--help  Show this message
     34 )",
     35                 argv0);
     36   return 1;
     37 }
     38 
     39 }  // namespace
     40 
     41 int __attribute__((visibility("default")))
     42 TriggerPerfettoMain(int argc, char** argv) {
     43   static const struct option long_options[] = {
     44       {"help", no_argument, nullptr, 'h'}, {nullptr, 0, nullptr, 0}};
     45 
     46   int option_index = 0;
     47 
     48   std::vector<std::string> triggers_to_activate;
     49 
     50   for (;;) {
     51     int option = getopt_long(argc, argv, "h", long_options, &option_index);
     52 
     53     if (option == 'h')
     54       return PrintUsage(argv[0]);
     55 
     56     if (option == -1)
     57       break;  // EOF.
     58   }
     59 
     60   for (int i = optind; i < argc; i++)
     61     triggers_to_activate.push_back(std::string(argv[i]));
     62 
     63   if (triggers_to_activate.size() == 0) {
     64     PERFETTO_ELOG("At least one trigger must the specified.");
     65     return PrintUsage(argv[0]);
     66   }
     67 
     68   bool finished_with_success = false;
     69   base::UnixTaskRunner task_runner;
     70   TriggerProducer producer(
     71       &task_runner,
     72       [&task_runner, &finished_with_success](bool success) {
     73         finished_with_success = success;
     74         task_runner.Quit();
     75       },
     76       &triggers_to_activate);
     77   task_runner.Run();
     78 
     79   return finished_with_success ? 0 : 1;
     80 }
     81 
     82 }  // namespace perfetto
     83