src/chrome/browser/chromeos/system_logs/command_line_log_source.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chromeos/system_logs/command_line_log_source.h"
   6
   7 #include <string>
   8 #include <vector>
   9
  10 #include "base/bind.h"
  11 #include "base/command_line.h"
  12 #include "base/files/file_path.h"
  13 #include "base/logging.h"
  14 #include "base/process/launch.h"
  15 #include "content/public/browser/browser_thread.h"
  16
  17 using content::BrowserThread;
  18
  19 namespace {
  20
  21 // Gathers log data from various scripts/programs.
  22 void ExecuteCommandLines(chromeos::SystemLogsResponse* response) {
  23   // TODO(tudalex): Move program calling in a array or something similar to make
  24   // it more easier to modify and understand.
  25   std::vector<std::pair<std::string, CommandLine> > commands;
  26
  27   CommandLine command(base::FilePath("/usr/bin/amixer"));
  28   command.AppendArg("-c0");
  29   command.AppendArg("contents");
  30   commands.push_back(std::make_pair("alsa controls", command));
  31
  32   command = CommandLine((base::FilePath("/usr/bin/cras_test_client")));
  33   command.AppendArg("--dump_server_info");
  34   commands.push_back(std::make_pair("cras", command));
  35
  36   command = CommandLine((base::FilePath("/usr/bin/cras_test_client")));
  37   command.AppendArg("--loopback_file");
  38   command.AppendArg("/dev/null");
  39   command.AppendArg("--rate");
  40   command.AppendArg("44100");
  41   command.AppendArg("--duration_seconds");
  42   command.AppendArg("0.01");
  43   command.AppendArg("--show_total_rms");
  44   commands.push_back(std::make_pair("cras_rms", command));
  45
  46   command = CommandLine((base::FilePath("/usr/bin/printenv")));
  47   commands.push_back(std::make_pair("env", command));
  48
  49   command = CommandLine(base::FilePath("/usr/bin/setxkbmap"));
  50   command.AppendArg("-print");
  51   command.AppendArg("-query");
  52   commands.push_back(std::make_pair("setxkbmap", command));
  53
  54   command = CommandLine(base::FilePath("/usr/bin/xinput"));
  55   command.AppendArg("list");
  56   command.AppendArg("--long");
  57   commands.push_back(std::make_pair("xinput", command));
  58
  59   command = CommandLine(base::FilePath("/usr/bin/xrandr"));
  60   command.AppendArg("--verbose");
  61   commands.push_back(std::make_pair("xrandr", command));
  62
  63   // Get a list of file sizes for the logged in user (excluding the names of
  64   // the files in the Downloads directory for privay reasons).
  65   command = CommandLine(base::FilePath("/bin/sh"));
  66   command.AppendArg("-c");
  67   command.AppendArg("/usr/bin/du -h /home/chronos/user |"
  68                     " grep -v -e \\/home\\/chronos\\/user\\/Downloads\\/");
  69   commands.push_back(std::make_pair("user_files", command));
  70
  71   for (size_t i = 0; i < commands.size(); ++i) {
  72     std::string output;
  73     base::GetAppOutput(commands[i].second, &output);
  74     (*response)[commands[i].first] = output;
  75   }
  76 }
  77
  78 }  // namespace
  79
  80 namespace chromeos {
  81
  82 void CommandLineLogSource::Fetch(const SysLogsSourceCallback& callback) {
  83   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  84   DCHECK(!callback.is_null());
  85
  86   SystemLogsResponse* response = new SystemLogsResponse;
  87   BrowserThread::PostBlockingPoolTaskAndReply(
  88       FROM_HERE,
  89       base::Bind(&ExecuteCommandLines, response),
  90       base::Bind(callback, base::Owned(response)));
  91 }
  92
  93 }  // namespace chromeos