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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "ProcessFileDescriptorMapWidget.h"
28#include <LibGUI/BoxLayout.h>
29#include <LibGUI/JsonArrayModel.h>
30#include <LibGUI/TableView.h>
31
32ProcessFileDescriptorMapWidget::ProcessFileDescriptorMapWidget()
33{
34 set_layout<GUI::VerticalBoxLayout>();
35 layout()->set_margins({ 4, 4, 4, 4 });
36 m_table_view = add<GUI::TableView>();
37 m_table_view->set_size_columns_to_fit_content(true);
38
39 Vector<GUI::JsonArrayModel::FieldSpec> pid_fds_fields;
40 pid_fds_fields.empend("fd", "FD", Gfx::TextAlignment::CenterRight);
41 pid_fds_fields.empend("class", "Class", Gfx::TextAlignment::CenterLeft);
42 pid_fds_fields.empend("offset", "Offset", Gfx::TextAlignment::CenterRight);
43 pid_fds_fields.empend("absolute_path", "Path", Gfx::TextAlignment::CenterLeft);
44 pid_fds_fields.empend("Access", Gfx::TextAlignment::CenterLeft, [](auto& object) {
45 return object.get("seekable").to_bool() ? "Seekable" : "Sequential";
46 });
47 pid_fds_fields.empend("Blocking", Gfx::TextAlignment::CenterLeft, [](auto& object) {
48 return object.get("blocking").to_bool() ? "Blocking" : "Nonblocking";
49 });
50 pid_fds_fields.empend("On exec", Gfx::TextAlignment::CenterLeft, [](auto& object) {
51 return object.get("cloexec").to_bool() ? "Close" : "Keep";
52 });
53 pid_fds_fields.empend("Can read", Gfx::TextAlignment::CenterLeft, [](auto& object) {
54 return object.get("can_read").to_bool() ? "Yes" : "No";
55 });
56 pid_fds_fields.empend("Can write", Gfx::TextAlignment::CenterLeft, [](auto& object) {
57 return object.get("can_write").to_bool() ? "Yes" : "No";
58 });
59
60 m_table_view->set_model(GUI::JsonArrayModel::create({}, move(pid_fds_fields)));
61}
62
63ProcessFileDescriptorMapWidget::~ProcessFileDescriptorMapWidget()
64{
65}
66
67void ProcessFileDescriptorMapWidget::set_pid(pid_t pid)
68{
69 if (m_pid == pid)
70 return;
71 m_pid = pid;
72 static_cast<GUI::JsonArrayModel*>(m_table_view->model())->set_json_path(String::format("/proc/%d/fds", m_pid));
73}