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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.
*/
#pragma once
#include <AK/HashMap.h>
#include <AK/String.h>
#include <AK/Vector.h>
#include <LibGUI/Model.h>
#include <unistd.h>
class GraphWidget;
struct PidAndTid {
bool operator==(const PidAndTid& other) const
{
return pid == other.pid && tid == other.tid;
}
pid_t pid;
int tid;
};
class ProcessModel final : public GUI::Model {
public:
enum Column {
Icon = 0,
Name,
CPU,
State,
Priority,
EffectivePriority,
User,
PID,
TID,
Virtual,
Physical,
DirtyPrivate,
CleanInode,
PurgeableVolatile,
PurgeableNonvolatile,
Veil,
Pledge,
Syscalls,
InodeFaults,
ZeroFaults,
CowFaults,
FileReadBytes,
FileWriteBytes,
UnixSocketReadBytes,
UnixSocketWriteBytes,
IPv4SocketReadBytes,
IPv4SocketWriteBytes,
__Count
};
static ProcessModel& the();
static NonnullRefPtr<ProcessModel> create() { return adopt(*new ProcessModel); }
virtual ~ProcessModel() override;
virtual int row_count(const GUI::ModelIndex&) const override;
virtual int column_count(const GUI::ModelIndex&) const override;
virtual String column_name(int column) const override;
virtual ColumnMetadata column_metadata(int column) const override;
virtual GUI::Variant data(const GUI::ModelIndex&, Role = Role::Display) const override;
virtual void update() override;
Function<void(float)> on_new_cpu_data_point;
private:
ProcessModel();
struct ThreadState {
int tid;
pid_t pid;
unsigned times_scheduled;
String name;
String state;
String user;
String pledge;
String veil;
u32 priority;
u32 effective_priority;
size_t amount_virtual;
size_t amount_resident;
size_t amount_dirty_private;
size_t amount_clean_inode;
size_t amount_purgeable_volatile;
size_t amount_purgeable_nonvolatile;
unsigned syscall_count;
unsigned inode_faults;
unsigned zero_faults;
unsigned cow_faults;
unsigned unix_socket_read_bytes;
unsigned unix_socket_write_bytes;
unsigned ipv4_socket_read_bytes;
unsigned ipv4_socket_write_bytes;
unsigned file_read_bytes;
unsigned file_write_bytes;
float cpu_percent;
int icon_id;
};
struct Thread {
ThreadState current_state;
ThreadState previous_state;
};
HashMap<uid_t, String> m_usernames;
HashMap<PidAndTid, NonnullOwnPtr<Thread>> m_threads;
Vector<PidAndTid> m_pids;
RefPtr<Gfx::Bitmap> m_generic_process_icon;
RefPtr<Gfx::Bitmap> m_high_priority_icon;
RefPtr<Gfx::Bitmap> m_low_priority_icon;
RefPtr<Gfx::Bitmap> m_normal_priority_icon;
};
namespace AK {
template<>
struct Traits<PidAndTid> : public GenericTraits<PidAndTid> {
static unsigned hash(const PidAndTid& value) { return pair_int_hash(value.pid, value.tid); }
};
}
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