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(system_logs::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  command.AppendArg("--dump_audio_thread");
35  commands.push_back(std::make_pair("cras", command));
36
37  command = CommandLine((base::FilePath("/usr/bin/audio_diagnostics")));
38  commands.push_back(std::make_pair("audio_diagnostics", command));
39
40#if 0
41  // This command hangs as of R39. TODO(alhli): Make cras_test_client more
42  // robust or add a wrapper script that times out, and fix this or remove
43  // this code. crbug.com/419523
44  command = CommandLine((base::FilePath("/usr/bin/cras_test_client")));
45  command.AppendArg("--loopback_file");
46  command.AppendArg("/dev/null");
47  command.AppendArg("--rate");
48  command.AppendArg("44100");
49  command.AppendArg("--duration_seconds");
50  command.AppendArg("0.01");
51  command.AppendArg("--show_total_rms");
52  commands.push_back(std::make_pair("cras_rms", command));
53#endif
54
55  command = CommandLine((base::FilePath("/usr/bin/printenv")));
56  commands.push_back(std::make_pair("env", command));
57
58  command = CommandLine(base::FilePath("/usr/bin/setxkbmap"));
59  command.AppendArg("-print");
60  command.AppendArg("-query");
61  commands.push_back(std::make_pair("setxkbmap", command));
62
63  command = CommandLine(base::FilePath("/usr/bin/xinput"));
64  command.AppendArg("list");
65  command.AppendArg("--long");
66  commands.push_back(std::make_pair("xinput", command));
67
68  command = CommandLine(base::FilePath("/usr/bin/xrandr"));
69  command.AppendArg("--verbose");
70  commands.push_back(std::make_pair("xrandr", command));
71
72  // Get a list of file sizes for the logged in user (excluding the names of
73  // the files in the Downloads directory for privay reasons).
74  command = CommandLine(base::FilePath("/bin/sh"));
75  command.AppendArg("-c");
76  command.AppendArg("/usr/bin/du -h /home/chronos/user |"
77                    " grep -v -e \\/home\\/chronos\\/user\\/Downloads\\/");
78  commands.push_back(std::make_pair("user_files", command));
79
80  for (size_t i = 0; i < commands.size(); ++i) {
81    std::string output;
82    base::GetAppOutput(commands[i].second, &output);
83    (*response)[commands[i].first] = output;
84  }
85}
86
87}  // namespace
88
89namespace system_logs {
90
91void CommandLineLogSource::Fetch(const SysLogsSourceCallback& callback) {
92  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
93  DCHECK(!callback.is_null());
94
95  SystemLogsResponse* response = new SystemLogsResponse;
96  BrowserThread::PostBlockingPoolTaskAndReply(
97      FROM_HERE,
98      base::Bind(&ExecuteCommandLines, response),
99      base::Bind(callback, base::Owned(response)));
100}
101
102}  // namespace system_logs
103