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/*
* 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 "ProcessMemoryMapWidget.h"
#include <LibCore/CTimer.h>
#include <LibGUI/GBoxLayout.h>
#include <LibGUI/GJsonArrayModel.h>
#include <LibGUI/GSortingProxyModel.h>
#include <LibGUI/GTableView.h>
ProcessMemoryMapWidget::ProcessMemoryMapWidget(GWidget* parent)
: GWidget(parent)
{
set_layout(make<GVBoxLayout>());
layout()->set_margins({ 4, 4, 4, 4 });
m_table_view = GTableView::construct(this);
m_table_view->set_size_columns_to_fit_content(true);
Vector<GJsonArrayModel::FieldSpec> pid_vm_fields;
pid_vm_fields.empend("Address", TextAlignment::CenterLeft, [](auto& object) {
return String::format("%#x", object.get("address").to_u32());
});
pid_vm_fields.empend("size", "Size", TextAlignment::CenterRight);
pid_vm_fields.empend("amount_resident", "Resident", TextAlignment::CenterRight);
pid_vm_fields.empend("amount_dirty", "Dirty", TextAlignment::CenterRight);
pid_vm_fields.empend("Access", TextAlignment::CenterLeft, [](auto& object) {
StringBuilder builder;
if (!object.get("user_accessible").to_bool())
builder.append('K');
if (object.get("readable").to_bool())
builder.append('R');
if (object.get("writable").to_bool())
builder.append('W');
if (object.get("executable").to_bool())
builder.append('X');
if (object.get("shared").to_bool())
builder.append('S');
if (object.get("stack").to_bool())
builder.append('T');
return builder.to_string();
});
pid_vm_fields.empend("Purgeable", TextAlignment::CenterLeft, [](auto& object) {
if (!object.get("purgeable").to_bool())
return "";
if (object.get("volatile").to_bool())
return "Volatile";
return "Non-volatile";
});
pid_vm_fields.empend("cow_pages", "# CoW", TextAlignment::CenterRight);
pid_vm_fields.empend("name", "Name", TextAlignment::CenterLeft);
m_json_model = GJsonArrayModel::create({}, move(pid_vm_fields));
m_table_view->set_model(GSortingProxyModel::create(*m_json_model));
m_table_view->model()->set_key_column_and_sort_order(0, GSortOrder::Ascending);
m_timer = CTimer::construct(1000, [this] { refresh(); }, this);
}
ProcessMemoryMapWidget::~ProcessMemoryMapWidget()
{
}
void ProcessMemoryMapWidget::set_pid(pid_t pid)
{
if (m_pid == pid)
return;
m_pid = pid;
m_json_model->set_json_path(String::format("/proc/%d/vm", pid));
}
void ProcessMemoryMapWidget::refresh()
{
if (m_pid != -1)
m_json_model->update();
}
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