Arisotura pls clean up after yourself

This commit is contained in:
Arisotura 2023-03-11 21:24:52 +01:00
parent 6fed0f8d75
commit dfeebb28c4
7 changed files with 0 additions and 705 deletions

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@ -336,8 +336,6 @@ void WriteGBASave(const u8* savedata, u32 savelen, u32 writeoffset, u32 writelen
// local multiplayer comm interface
// packet type: DS-style TX header (12 bytes) + original 802.11 frame
bool MP_Init();
void MP_DeInit();
void MP_Begin();
void MP_End();
int MP_SendPacket(u8* data, int len, u64 timestamp);

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@ -150,12 +150,8 @@ u64 RXTimestamp;
bool Init()
{
//MPInited = false;
//LANInited = false;
Platform::MP_Init();
MPInited = true;
Platform::LAN_Init();
LANInited = true;
@ -166,8 +162,6 @@ bool Init()
void DeInit()
{
if (MPInited)
Platform::MP_DeInit();
if (LANInited)
Platform::LAN_DeInit();

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@ -28,7 +28,6 @@ set(SOURCES_QT_SDL
IPC.cpp
LAN_PCap.cpp
LAN_Socket.cpp
LocalMP.cpp
OSD.cpp
OSD_shaders.h
font.h

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@ -1,628 +0,0 @@
/*
Copyright 2016-2022 melonDS team
This file is part of melonDS.
melonDS is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with melonDS. If not, see http://www.gnu.org/licenses/.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef __WIN32__
#include <windows.h>
#else
#include <fcntl.h>
#include <semaphore.h>
#include <time.h>
#ifdef __APPLE__
#include "sem_timedwait.h"
#endif
#endif
#include <string>
#include <QSharedMemory>
#include "Config.h"
#include "LocalMP.h"
#include "Platform.h"
using Platform::Log;
using Platform::LogLevel;
namespace LocalMP
{
u32 MPUniqueID;
u8 PacketBuffer[2048];
struct MPQueueHeader
{
u16 NumInstances;
u16 InstanceBitmask; // bitmask of all instances present
u16 ConnectedBitmask; // bitmask of which instances are ready to send/receive packets
u32 PacketWriteOffset;
u32 ReplyWriteOffset;
u16 MPHostInstanceID; // instance ID from which the last CMD frame was sent
u16 MPReplyBitmask; // bitmask of which clients replied in time
};
struct MPPacketHeader
{
u32 Magic;
u32 SenderID;
u32 Type; // 0=regular 1=CMD 2=reply 3=ack
u32 Length;
u64 Timestamp;
};
QSharedMemory* MPQueue;
int InstanceID;
u32 PacketReadOffset;
u32 ReplyReadOffset;
const u32 kQueueSize = 0x20000;
const u32 kMaxFrameSize = 0x800;
const u32 kPacketStart = sizeof(MPQueueHeader);
const u32 kReplyStart = kQueueSize / 2;
const u32 kPacketEnd = kReplyStart;
const u32 kReplyEnd = kQueueSize;
int RecvTimeout;
int LastHostID;
// we need to come up with our own abstraction layer for named semaphores
// because QSystemSemaphore doesn't support waiting with a timeout
// and, as such, is unsuitable to our needs
#ifdef __WIN32__
bool SemInited[32];
HANDLE SemPool[32];
void SemPoolInit()
{
for (int i = 0; i < 32; i++)
{
SemPool[i] = INVALID_HANDLE_VALUE;
SemInited[i] = false;
}
}
void SemDeinit(int num);
void SemPoolDeinit()
{
for (int i = 0; i < 32; i++)
SemDeinit(i);
}
bool SemInit(int num)
{
if (SemInited[num])
return true;
char semname[64];
sprintf(semname, "Local\\melonNIFI_Sem%02d", num);
HANDLE sem = CreateSemaphore(nullptr, 0, 64, semname);
SemPool[num] = sem;
SemInited[num] = true;
return sem != INVALID_HANDLE_VALUE;
}
void SemDeinit(int num)
{
if (SemPool[num] != INVALID_HANDLE_VALUE)
{
CloseHandle(SemPool[num]);
SemPool[num] = INVALID_HANDLE_VALUE;
}
SemInited[num] = false;
}
bool SemPost(int num)
{
SemInit(num);
return ReleaseSemaphore(SemPool[num], 1, nullptr) != 0;
}
bool SemWait(int num, int timeout)
{
return WaitForSingleObject(SemPool[num], timeout) == WAIT_OBJECT_0;
}
void SemReset(int num)
{
while (WaitForSingleObject(SemPool[num], 0) == WAIT_OBJECT_0);
}
#else
bool SemInited[32];
sem_t* SemPool[32];
void SemPoolInit()
{
for (int i = 0; i < 32; i++)
{
SemPool[i] = SEM_FAILED;
SemInited[i] = false;
}
}
void SemDeinit(int num);
void SemPoolDeinit()
{
for (int i = 0; i < 32; i++)
SemDeinit(i);
}
bool SemInit(int num)
{
if (SemInited[num])
return true;
char semname[64];
sprintf(semname, "/melonNIFI_Sem%02d", num);
sem_t* sem = sem_open(semname, O_CREAT, 0644, 0);
SemPool[num] = sem;
SemInited[num] = true;
return sem != SEM_FAILED;
}
void SemDeinit(int num)
{
if (SemPool[num] != SEM_FAILED)
{
sem_close(SemPool[num]);
SemPool[num] = SEM_FAILED;
}
SemInited[num] = false;
}
bool SemPost(int num)
{
SemInit(num);
return sem_post(SemPool[num]) == 0;
}
bool SemWait(int num, int timeout)
{
if (!timeout)
return sem_trywait(SemPool[num]) == 0;
struct timespec ts;
clock_gettime(CLOCK_REALTIME, &ts);
ts.tv_nsec += timeout * 1000000;
long sec = ts.tv_nsec / 1000000000;
ts.tv_nsec -= sec * 1000000000;
ts.tv_sec += sec;
return sem_timedwait(SemPool[num], &ts) == 0;
}
void SemReset(int num)
{
while (sem_trywait(SemPool[num]) == 0);
}
#endif
bool Init()
{
MPQueue = new QSharedMemory("melonNIFI");
if (!MPQueue->attach())
{
Log(LogLevel::Info, "MP sharedmem doesn't exist. creating\n");
if (!MPQueue->create(kQueueSize))
{
Log(LogLevel::Error, "MP sharedmem create failed :(\n");
return false;
}
MPQueue->lock();
memset(MPQueue->data(), 0, MPQueue->size());
MPQueueHeader* header = (MPQueueHeader*)MPQueue->data();
header->PacketWriteOffset = kPacketStart;
header->ReplyWriteOffset = kReplyStart;
MPQueue->unlock();
}
MPQueue->lock();
MPQueueHeader* header = (MPQueueHeader*)MPQueue->data();
u16 mask = header->InstanceBitmask;
for (int i = 0; i < 16; i++)
{
if (!(mask & (1<<i)))
{
InstanceID = i;
header->InstanceBitmask |= (1<<i);
//header->ConnectedBitmask |= (1 << i);
break;
}
}
header->NumInstances++;
PacketReadOffset = header->PacketWriteOffset;
ReplyReadOffset = header->ReplyWriteOffset;
MPQueue->unlock();
// prepare semaphores
// semaphores 0-15: regular frames; semaphore I is posted when instance I needs to process a new frame
// semaphores 16-31: MP replies; semaphore I is posted when instance I needs to process a new MP reply
SemPoolInit();
SemInit(InstanceID);
SemInit(16+InstanceID);
LastHostID = -1;
Log(LogLevel::Info, "MP comm init OK, instance ID %d\n", InstanceID);
RecvTimeout = 25;
return true;
}
void DeInit()
{
MPQueue->lock();
MPQueueHeader* header = (MPQueueHeader*)MPQueue->data();
header->ConnectedBitmask &= ~(1 << InstanceID);
header->InstanceBitmask &= ~(1 << InstanceID);
header->NumInstances--;
MPQueue->unlock();
SemPoolDeinit();
MPQueue->detach();
delete MPQueue;
}
void SetRecvTimeout(int timeout)
{
RecvTimeout = timeout;
}
void Begin()
{
MPQueue->lock();
MPQueueHeader* header = (MPQueueHeader*)MPQueue->data();
PacketReadOffset = header->PacketWriteOffset;
ReplyReadOffset = header->ReplyWriteOffset;
SemReset(InstanceID);
SemReset(16+InstanceID);
header->ConnectedBitmask |= (1 << InstanceID);
MPQueue->unlock();
}
void End()
{
MPQueue->lock();
MPQueueHeader* header = (MPQueueHeader*)MPQueue->data();
//SemReset(InstanceID);
//SemReset(16+InstanceID);
header->ConnectedBitmask &= ~(1 << InstanceID);
MPQueue->unlock();
}
void FIFORead(int fifo, void* buf, int len)
{
u8* data = (u8*)MPQueue->data();
u32 offset, start, end;
if (fifo == 0)
{
offset = PacketReadOffset;
start = kPacketStart;
end = kPacketEnd;
}
else
{
offset = ReplyReadOffset;
start = kReplyStart;
end = kReplyEnd;
}
if ((offset + len) >= end)
{
u32 part1 = end - offset;
memcpy(buf, &data[offset], part1);
memcpy(&((u8*)buf)[part1], &data[start], len - part1);
offset = start + len - part1;
}
else
{
memcpy(buf, &data[offset], len);
offset += len;
}
if (fifo == 0) PacketReadOffset = offset;
else ReplyReadOffset = offset;
}
void FIFOWrite(int fifo, void* buf, int len)
{
u8* data = (u8*)MPQueue->data();
MPQueueHeader* header = (MPQueueHeader*)&data[0];
u32 offset, start, end;
if (fifo == 0)
{
offset = header->PacketWriteOffset;
start = kPacketStart;
end = kPacketEnd;
}
else
{
offset = header->ReplyWriteOffset;
start = kReplyStart;
end = kReplyEnd;
}
if ((offset + len) >= end)
{
u32 part1 = end - offset;
memcpy(&data[offset], buf, part1);
memcpy(&data[start], &((u8*)buf)[part1], len - part1);
offset = start + len - part1;
}
else
{
memcpy(&data[offset], buf, len);
offset += len;
}
if (fifo == 0) header->PacketWriteOffset = offset;
else header->ReplyWriteOffset = offset;
}
int SendPacketGeneric(u32 type, u8* packet, int len, u64 timestamp)
{
MPQueue->lock();
u8* data = (u8*)MPQueue->data();
MPQueueHeader* header = (MPQueueHeader*)&data[0];
u16 mask = header->ConnectedBitmask;
// TODO: check if the FIFO is full!
MPPacketHeader pktheader;
pktheader.Magic = 0x4946494E;
pktheader.SenderID = InstanceID;
pktheader.Type = type;
pktheader.Length = len;
pktheader.Timestamp = timestamp;
type &= 0xFFFF;
int nfifo = (type == 2) ? 1 : 0;
FIFOWrite(nfifo, &pktheader, sizeof(pktheader));
if (len)
FIFOWrite(nfifo, packet, len);
if (type == 1)
{
// NOTE: this is not guarded against, say, multiple multiplay games happening on the same machine
// we would need to pass the packet's SenderID through the wifi module for that
header->MPHostInstanceID = InstanceID;
header->MPReplyBitmask = 0;
ReplyReadOffset = header->ReplyWriteOffset;
SemReset(16 + InstanceID);
}
else if (type == 2)
{
header->MPReplyBitmask |= (1 << InstanceID);
}
MPQueue->unlock();
if (type == 2)
{
SemPost(16 + header->MPHostInstanceID);
}
else
{
for (int i = 0; i < 16; i++)
{
if (mask & (1<<i))
SemPost(i);
}
}
return len;
}
int RecvPacketGeneric(u8* packet, bool block, u64* timestamp)
{
for (;;)
{
if (!SemWait(InstanceID, block ? RecvTimeout : 0))
{
return 0;
}
MPQueue->lock();
u8* data = (u8*)MPQueue->data();
MPQueueHeader* header = (MPQueueHeader*)&data[0];
MPPacketHeader pktheader;
FIFORead(0, &pktheader, sizeof(pktheader));
if (pktheader.Magic != 0x4946494E)
{
Log(LogLevel::Warn, "PACKET FIFO OVERFLOW\n");
PacketReadOffset = header->PacketWriteOffset;
SemReset(InstanceID);
MPQueue->unlock();
return 0;
}
if (pktheader.SenderID == InstanceID)
{
// skip this packet
PacketReadOffset += pktheader.Length;
if (PacketReadOffset >= kPacketEnd)
PacketReadOffset += kPacketStart - kPacketEnd;
MPQueue->unlock();
continue;
}
if (pktheader.Length)
{
FIFORead(0, packet, pktheader.Length);
if (pktheader.Type == 1)
LastHostID = pktheader.SenderID;
}
if (timestamp) *timestamp = pktheader.Timestamp;
MPQueue->unlock();
return pktheader.Length;
}
}
int SendPacket(u8* packet, int len, u64 timestamp)
{
return SendPacketGeneric(0, packet, len, timestamp);
}
int RecvPacket(u8* packet, u64* timestamp)
{
return RecvPacketGeneric(packet, false, timestamp);
}
int SendCmd(u8* packet, int len, u64 timestamp)
{
return SendPacketGeneric(1, packet, len, timestamp);
}
int SendReply(u8* packet, int len, u64 timestamp, u16 aid)
{
return SendPacketGeneric(2 | (aid<<16), packet, len, timestamp);
}
int SendAck(u8* packet, int len, u64 timestamp)
{
return SendPacketGeneric(3, packet, len, timestamp);
}
int RecvHostPacket(u8* packet, u64* timestamp)
{
if (LastHostID != -1)
{
// check if the host is still connected
MPQueue->lock();
u8* data = (u8*)MPQueue->data();
MPQueueHeader* header = (MPQueueHeader*)&data[0];
u16 curinstmask = header->ConnectedBitmask;
MPQueue->unlock();
if (!(curinstmask & (1 << LastHostID)))
return -1;
}
return RecvPacketGeneric(packet, true, timestamp);
}
u16 RecvReplies(u8* packets, u64 timestamp, u16 aidmask)
{
u16 ret = 0;
u16 myinstmask = (1 << InstanceID);
u16 curinstmask;
{
MPQueue->lock();
u8* data = (u8*)MPQueue->data();
MPQueueHeader* header = (MPQueueHeader*)&data[0];
curinstmask = header->ConnectedBitmask;
MPQueue->unlock();
}
// if all clients have left: return early
if ((myinstmask & curinstmask) == curinstmask)
return 0;
for (;;)
{
if (!SemWait(16+InstanceID, RecvTimeout))
{
// no more replies available
return ret;
}
MPQueue->lock();
u8* data = (u8*)MPQueue->data();
MPQueueHeader* header = (MPQueueHeader*)&data[0];
MPPacketHeader pktheader;
FIFORead(1, &pktheader, sizeof(pktheader));
if (pktheader.Magic != 0x4946494E)
{
Log(LogLevel::Warn, "REPLY FIFO OVERFLOW\n");
ReplyReadOffset = header->ReplyWriteOffset;
SemReset(16+InstanceID);
MPQueue->unlock();
return 0;
}
if ((pktheader.SenderID == InstanceID) || // packet we sent out (shouldn't happen, but hey)
(pktheader.Timestamp < (timestamp - 32))) // stale packet
{
// skip this packet
ReplyReadOffset += pktheader.Length;
if (ReplyReadOffset >= kReplyEnd)
ReplyReadOffset += kReplyStart - kReplyEnd;
MPQueue->unlock();
continue;
}
if (pktheader.Length)
{
u32 aid = (pktheader.Type >> 16);
FIFORead(1, &packets[(aid-1)*1024], pktheader.Length);
ret |= (1 << aid);
}
myinstmask |= (1 << pktheader.SenderID);
if (((myinstmask & curinstmask) == curinstmask) ||
((ret & aidmask) == aidmask))
{
// all the clients have sent their reply
MPQueue->unlock();
return ret;
}
MPQueue->unlock();
}
}
}

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@ -1,45 +0,0 @@
/*
Copyright 2016-2022 melonDS team
This file is part of melonDS.
melonDS is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with melonDS. If not, see http://www.gnu.org/licenses/.
*/
#ifndef LOCALMP_H
#define LOCALMP_H
#include "types.h"
namespace LocalMP
{
bool Init();
void DeInit();
void SetRecvTimeout(int timeout);
void Begin();
void End();
int SendPacket(u8* data, int len, u64 timestamp);
int RecvPacket(u8* data, u64* timestamp);
int SendCmd(u8* data, int len, u64 timestamp);
int SendReply(u8* data, int len, u64 timestamp, u16 aid);
int SendAck(u8* data, int len, u64 timestamp);
int RecvHostPacket(u8* data, u64* timestamp);
u16 RecvReplies(u8* data, u64 timestamp, u16 aidmask);
}
#endif // LOCALMP_H

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@ -37,7 +37,6 @@
#include "CameraManager.h"
#include "LAN_Socket.h"
#include "LAN_PCap.h"
#include "LocalMP.h"
#include "IPC.h"
#include "OSD.h"
@ -530,68 +529,48 @@ void WriteGBASave(const u8* savedata, u32 savelen, u32 writeoffset, u32 writelen
bool MP_Init()
{
//return LocalMP::Init();
return true;
}
void MP_DeInit()
{
//return LocalMP::DeInit();
}
void MP_Begin()
{
//return LocalMP::Begin();
return IPC::MPBegin();
}
void MP_End()
{
//return LocalMP::End();
return IPC::MPEnd();
}
int MP_SendPacket(u8* data, int len, u64 timestamp)
{
//return LocalMP::SendPacket(data, len, timestamp);
return IPC::SendMPPacket(data, len, timestamp);
}
int MP_RecvPacket(u8* data, u64* timestamp)
{
//return LocalMP::RecvPacket(data, timestamp);
return IPC::RecvMPPacket(data, timestamp);
}
int MP_SendCmd(u8* data, int len, u64 timestamp)
{
//return LocalMP::SendCmd(data, len, timestamp);
return IPC::SendMPCmd(data, len, timestamp);
}
int MP_SendReply(u8* data, int len, u64 timestamp, u16 aid)
{
//return LocalMP::SendReply(data, len, timestamp, aid);
return IPC::SendMPReply(data, len, timestamp, aid);
}
int MP_SendAck(u8* data, int len, u64 timestamp)
{
//return LocalMP::SendAck(data, len, timestamp);
return IPC::SendMPAck(data, len, timestamp);
}
int MP_RecvHostPacket(u8* data, u64* timestamp)
{
//return LocalMP::RecvHostPacket(data, timestamp);
return IPC::RecvMPHostPacket(data, timestamp);
}
u16 MP_RecvReplies(u8* data, u64 timestamp, u16 aidmask)
{
//return LocalMP::RecvReplies(data, timestamp, aidmask);
return IPC::RecvMPReplies(data, timestamp, aidmask);
}

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@ -88,7 +88,6 @@
#include "Wifi.h"
#include "Platform.h"
#include "IPC.h"
#include "LocalMP.h"
#include "Config.h"
#include "DSi_I2C.h"
@ -2969,7 +2968,6 @@ void MainWindow::onOpenMPSettings()
void MainWindow::onMPSettingsFinished(int res)
{
AudioInOut::AudioMute(mainWindow);
//LocalMP::SetRecvTimeout(Config::MPRecvTimeout);
IPC::SetMPRecvTimeout(Config::MPRecvTimeout);
emuThread->emuUnpause();