ladybird/Applications/SystemMonitor/ProcessFileDescriptorMapWidget.cpp

73 lines
3.3 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "ProcessFileDescriptorMapWidget.h"
#include <LibGUI/BoxLayout.h>
#include <LibGUI/JsonArrayModel.h>
#include <LibGUI/TableView.h>
ProcessFileDescriptorMapWidget::ProcessFileDescriptorMapWidget()
{
set_layout<GUI::VerticalBoxLayout>();
layout()->set_margins({ 4, 4, 4, 4 });
m_table_view = add<GUI::TableView>();
m_table_view->set_size_columns_to_fit_content(true);
Vector<GUI::JsonArrayModel::FieldSpec> pid_fds_fields;
pid_fds_fields.empend("fd", "FD", Gfx::TextAlignment::CenterRight);
pid_fds_fields.empend("class", "Class", Gfx::TextAlignment::CenterLeft);
pid_fds_fields.empend("offset", "Offset", Gfx::TextAlignment::CenterRight);
pid_fds_fields.empend("absolute_path", "Path", Gfx::TextAlignment::CenterLeft);
pid_fds_fields.empend("Access", Gfx::TextAlignment::CenterLeft, [](auto& object) {
return object.get("seekable").to_bool() ? "Seekable" : "Sequential";
});
pid_fds_fields.empend("Blocking", Gfx::TextAlignment::CenterLeft, [](auto& object) {
return object.get("blocking").to_bool() ? "Blocking" : "Nonblocking";
});
pid_fds_fields.empend("On exec", Gfx::TextAlignment::CenterLeft, [](auto& object) {
return object.get("cloexec").to_bool() ? "Close" : "Keep";
});
pid_fds_fields.empend("Can read", Gfx::TextAlignment::CenterLeft, [](auto& object) {
return object.get("can_read").to_bool() ? "Yes" : "No";
});
pid_fds_fields.empend("Can write", Gfx::TextAlignment::CenterLeft, [](auto& object) {
return object.get("can_write").to_bool() ? "Yes" : "No";
});
m_table_view->set_model(GUI::JsonArrayModel::create({}, move(pid_fds_fields)));
}
ProcessFileDescriptorMapWidget::~ProcessFileDescriptorMapWidget()
{
}
void ProcessFileDescriptorMapWidget::set_pid(pid_t pid)
{
if (m_pid == pid)
return;
m_pid = pid;
static_cast<GUI::JsonArrayModel*>(m_table_view->model())->set_json_path(String::format("/proc/%d/fds", m_pid));
}