command_line_log_source.cc revision 58537e28ecd584eab876aee8be7156509866d23a 
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
17using content::BrowserThread;
18
19namespace {
20
21// Gathers log data from various scripts/programs.
22void 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
80namespace chromeos {
81
82void 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
94