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snes9x/macosx/mac-server.cpp

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/***********************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com),
Jerremy Koot (jkoot@snes9x.com)
(c) Copyright 2002 - 2004 Matthew Kendora
(c) Copyright 2002 - 2005 Peter Bortas (peter@bortas.org)
(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
(c) Copyright 2001 - 2006 John Weidman (jweidman@slip.net)
(c) Copyright 2002 - 2006 funkyass (funkyass@spam.shaw.ca),
Kris Bleakley (codeviolation@hotmail.com)
(c) Copyright 2002 - 2010 Brad Jorsch (anomie@users.sourceforge.net),
Nach (n-a-c-h@users.sourceforge.net),
(c) Copyright 2002 - 2011 zones (kasumitokoduck@yahoo.com)
(c) Copyright 2006 - 2007 nitsuja
(c) Copyright 2009 - 2016 BearOso,
OV2
(c) Copyright 2011 - 2016 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
BS-X C emulator code
(c) Copyright 2005 - 2006 Dreamer Nom,
zones
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 _Demo_ (_demo_@zsnes.com),
Nach,
zsKnight (zsknight@zsnes.com)
C4 C++ code
(c) Copyright 2003 - 2006 Brad Jorsch,
Nach
DSP-1 emulator code
(c) Copyright 1998 - 2006 _Demo_,
Andreas Naive (andreasnaive@gmail.com),
Gary Henderson,
Ivar (ivar@snes9x.com),
John Weidman,
Kris Bleakley,
Matthew Kendora,
Nach,
neviksti (neviksti@hotmail.com)
DSP-2 emulator code
(c) Copyright 2003 John Weidman,
Kris Bleakley,
Lord Nightmare (lord_nightmare@users.sourceforge.net),
Matthew Kendora,
neviksti
DSP-3 emulator code
(c) Copyright 2003 - 2006 John Weidman,
Kris Bleakley,
Lancer,
z80 gaiden
DSP-4 emulator code
(c) Copyright 2004 - 2006 Dreamer Nom,
John Weidman,
Kris Bleakley,
Nach,
z80 gaiden
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight,
pagefault (pagefault@zsnes.com),
Kris Bleakley
Ported from x86 assembler to C by sanmaiwashi
SPC7110 and RTC C++ emulator code used in 1.39-1.51
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
SPC7110 and RTC C++ emulator code used in 1.52+
(c) Copyright 2009 byuu,
neviksti
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive,
John Weidman
S-RTC C emulator code
(c) Copyright 2001 - 2006 byuu,
John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather,
John Weidman,
Kris Bleakley,
Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 _Demo_,
pagefault,
zsKnight
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar,
Gary Henderson,
John Weidman
Sound emulator code used in 1.5-1.51
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
Sound emulator code used in 1.52+
(c) Copyright 2004 - 2007 Shay Green (gblargg@gmail.com)
S-SMP emulator code used in 1.54+
(c) Copyright 2016 byuu
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
2xSaI filter
(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
HQ2x, HQ3x, HQ4x filters
(c) Copyright 2003 Maxim Stepin (maxim@hiend3d.com)
NTSC filter
(c) Copyright 2006 - 2007 Shay Green
GTK+ GUI code
(c) Copyright 2004 - 2016 BearOso
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
(c) Copyright 2009 - 2016 OV2
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2011 zones
Libretro port
(c) Copyright 2011 - 2016 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
Specific ports contains the works of other authors. See headers in
individual files.
Snes9x homepage: http://www.snes9x.com/
Permission to use, copy, modify and/or distribute Snes9x in both binary
and source form, for non-commercial purposes, is hereby granted without
fee, providing that this license information and copyright notice appear
with all copies and any derived work.
This software is provided 'as-is', without any express or implied
warranty. In no event shall the authors be held liable for any damages
arising from the use of this software or it's derivatives.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes,
but is not limited to, charging money for Snes9x or software derived from
Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
using Snes9x as a promotion for your commercial product.
The copyright holders request that bug fixes and improvements to the code
should be forwarded to them so everyone can benefit from the modifications
in future versions.
Super NES and Super Nintendo Entertainment System are trademarks of
Nintendo Co., Limited and its subsidiary companies.
***********************************************************************************/
/***********************************************************************************
SNES9X for Mac OS (c) Copyright John Stiles
Snes9x for Mac OS X
(c) Copyright 2001 - 2011 zones
Libretro port
(c) Copyright 2011 - 2016 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
(c) Copyright 2002 - 2005 107
(c) Copyright 2002 PB1400c
(c) Copyright 2004 Alexander and Sander
(c) Copyright 2004 - 2005 Steven Seeger
(c) Copyright 2005 Ryan Vogt
***********************************************************************************/
#include "snes9x.h"
#include "memmap.h"
#include <sys/time.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <pthread.h>
#include <semaphore.h>
#include "mac-prefix.h"
#include "mac-controls.h"
#include "mac-dialog.h"
#include "mac-joypad.h"
#include "mac-keyboard.h"
#include "mac-os.h"
#include "mac-stringtools.h"
#include "mac-netplay.h"
#include "mac-server.h"
#ifdef SELF_TEST
#include <sys/un.h>
#endif
#define KeyIsPressed(km, k) (1 & (((unsigned char *) km) [(k) >> 3] >> ((k) & 7)))
enum
{
kNPSDialogNone,
kNPSDialogInit,
kNPSDialogProcess,
kNPSDialogDone,
kNPSDialogCancel
};
typedef struct
{
volatile bool8 listenloop;
volatile uint32 phasecount;
volatile uint32 phasespan;
volatile uint8 header;
int socket;
int numplayers;
bool8 dialogcancel;
int dialogprocess;
} serverState;
typedef struct
{
volatile bool8 padloop;
volatile bool8 exitsgn;
bool8 online;
bool8 ready;
int socket;
int client;
int player;
char ip[256];
char name[256];
} clientsState;
static char n_sememu[NP_MAX_PLAYERS][30] =
{
"/tmp/s9x_s_emu_semaphore1",
"/tmp/s9x_s_emu_semaphore2",
"/tmp/s9x_s_emu_semaphore3",
"/tmp/s9x_s_emu_semaphore4",
"/tmp/s9x_s_emu_semaphore5"
};
static char n_sempad[NP_MAX_PLAYERS][30] =
{
"/tmp/s9x_s_pad_semaphore1",
"/tmp/s9x_s_pad_semaphore2",
"/tmp/s9x_s_pad_semaphore3",
"/tmp/s9x_s_pad_semaphore4",
"/tmp/s9x_s_pad_semaphore5"
};
static serverState npserver;
static clientsState npplayer[NP_MAX_PLAYERS];
static uint32 npactvpad[NP_MAX_PLAYERS][64], // [player number][]
nprecvpad[NP_MAX_PLAYERS][64], // [player number][]
npsendpad[NP_MAX_PLAYERS][64], // [player number][]
npcachpad[64];
static sem_t *sememu[NP_MAX_PLAYERS],
*sempad[NP_MAX_PLAYERS];
static pthread_t listenthread,
processthread,
padthread[NP_MAX_PLAYERS];
static int NPServerAcceptClient (int);
static int NPServerGetMesFromClient (int);
static void NPServerBeginListenLoop (void);
static void NPServerEndListenLoop (void);
static void NPServerDetachProcessThread (void);
static void NPServerShutdownClient (int);
static void NPServerAllotPlayers (void);
static void NPServerSendPlayerList (void);
static void NPServerWaitStartReply (void);
static void NPServerSetPhaseSpan (void);
static bool8 NPServerSendMesToClient (int, int);
static bool8 NPServerGetNameFromClient (int);
static bool8 NPServerSendROMInfoToClient (int);
static bool8 NPServerSendSRAMToClient (int);
static bool8 NPServerSendPlayerListToClient (int);
static void * NPServerListenLoop (void *);
static void * NPServerProcessThread (void *);
static void * NPServerNetPlayThread (void *);
static pascal void NPServerDialogTimerHandler (EventLoopTimerRef, void *);
static pascal OSStatus NPServerDialogEventHandler (EventHandlerCallRef, EventRef, void *);
bool8 NPServerDialog (void)
{
OSStatus err;
IBNibRef nibRef;
npserver.dialogcancel = true;
err = CreateNibReference(kMacS9XCFString, &nibRef);
if (err == noErr)
{
WindowRef tWindowRef;
err = CreateWindowFromNib(nibRef, CFSTR("ClientList"), &tWindowRef);
if (err == noErr)
{
EventHandlerRef eref;
EventLoopTimerRef tref;
EventHandlerUPP eventUPP;
EventLoopTimerUPP timerUPP;
EventTypeSpec windowEvents[] = { { kEventClassCommand, kEventCommandProcess },
{ kEventClassCommand, kEventCommandUpdateStatus } };
HIViewRef ctl;
HIViewID cid = { 'Chse', 0 };
npserver.dialogprocess = kNPSDialogInit;
eventUPP = NewEventHandlerUPP(NPServerDialogEventHandler);
err = InstallWindowEventHandler(tWindowRef, eventUPP, GetEventTypeCount(windowEvents), windowEvents, (void *) tWindowRef, &eref);
timerUPP = NewEventLoopTimerUPP(NPServerDialogTimerHandler);
err = InstallEventLoopTimer(GetCurrentEventLoop(), 0.0f, 0.1f, timerUPP, (void *) tWindowRef, &tref);
HIViewFindByID(HIViewGetRoot(tWindowRef), cid, &ctl);
HIViewSetVisible(ctl, false);
MoveWindowPosition(tWindowRef, kWindowServer, false);
ShowWindow(tWindowRef);
err = RunAppModalLoopForWindow(tWindowRef);
HideWindow(tWindowRef);
SaveWindowPosition(tWindowRef, kWindowServer);
err = RemoveEventLoopTimer(tref);
DisposeEventLoopTimerUPP(timerUPP);
err = RemoveEventHandler(eref);
DisposeEventHandlerUPP(eventUPP);
CFRelease(tWindowRef);
}
DisposeNibReference(nibRef);
}
return (!npserver.dialogcancel);
}
static pascal void NPServerDialogTimerHandler (EventLoopTimerRef inTimer, void *userData)
{
WindowRef window = (WindowRef) userData;
CFStringRef ref;
HIViewRef ctl, root;
HIViewID cid;
int n = 0;
root = HIViewGetRoot(window);
for (int c = 0; c < NP_MAX_PLAYERS; c++)
{
cid.id = c;
cid.signature = 'Pnum';
HIViewFindByID(root, cid, &ctl);
if (npplayer[c].ready)
{
char num[4];
num[0] = '1' + n;
num[1] = 'P';
num[2] = 0;
SetStaticTextCStr(ctl, num, true);
n++;
}
cid.signature = 'IP__';
HIViewFindByID(root, cid, &ctl);
if (npplayer[c].online)
{
ref = CFStringCreateWithCString(kCFAllocatorDefault, npplayer[c].ip, kCFStringEncodingUTF8);
if (ref)
{
SetStaticTextCFString(ctl, ref, true);
CFRelease(ref);
}
else
SetStaticTextCFString(ctl, CFSTR("unknown"), true);
}
else
SetStaticTextCFString(ctl, CFSTR(""), true);
cid.signature = 'Name';
HIViewFindByID(root, cid, &ctl);
if (npplayer[c].online)
{
ref = CFStringCreateWithCString(kCFAllocatorDefault, npplayer[c].name, kCFStringEncodingUTF8);
if (ref)
{
SetStaticTextCFString(ctl, ref, true);
CFRelease(ref);
}
else
SetStaticTextCFString(ctl, CFSTR("unknown"), true);
}
else
SetStaticTextCFString(ctl, CFSTR(""), true);
cid.signature = 'Stat';
HIViewFindByID(root, cid, &ctl);
if (npplayer[c].online)
{
if (npplayer[c].ready)
ref = CFCopyLocalizedString(CFSTR("NPReady"), "NPReady");
else
ref = CFCopyLocalizedString(CFSTR("NPConnecting"), "NPConnecting");
if (ref)
{
SetStaticTextCFString(ctl, ref, true);
CFRelease(ref);
}
else
SetStaticTextCFString(ctl, CFSTR("error"), true);
}
else
SetStaticTextCFString(ctl, CFSTR(""), true);
}
switch (npserver.dialogprocess)
{
case kNPSDialogNone:
break;
case kNPSDialogInit:
NPNotification(" kNPSDialogInit", -1);
npserver.dialogprocess = kNPSDialogNone;
NPServerBeginListenLoop();
break;
case kNPSDialogProcess:
NPNotification(" kNPSDialogProcess", -1);
npserver.dialogprocess = kNPSDialogNone;
NPServerEndListenLoop();
cid.id = 0;
cid.signature = 'Chse';
HIViewFindByID(root, cid, &ctl);
HIViewSetVisible(ctl, true);
NPServerDetachProcessThread();
break;
case kNPSDialogDone:
NPNotification(" kNPSDialogDone", -1);
npserver.dialogprocess = kNPSDialogNone;
npserver.dialogcancel = false;
QuitAppModalLoopForWindow(window);
break;
case kNPSDialogCancel:
NPNotification(" kNPSDialogCancel", -1);
npserver.dialogprocess = kNPSDialogNone;
NPServerEndListenLoop();
npserver.dialogcancel = true;
QuitAppModalLoopForWindow(window);
break;
}
}
static pascal OSStatus NPServerDialogEventHandler (EventHandlerCallRef inHandlerRef, EventRef inEvent, void *inUserData)
{
OSStatus err, result = eventNotHandledErr;
WindowRef tWindowRef = (WindowRef) inUserData;
switch (GetEventClass(inEvent))
{
case kEventClassCommand:
switch (GetEventKind(inEvent))
{
HICommand tHICommand;
case kEventCommandUpdateStatus:
err = GetEventParameter(inEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &tHICommand);
if (err == noErr && tHICommand.commandID == 'clos')
{
UpdateMenuCommandStatus(false);
result = noErr;
}
break;
case kEventCommandProcess:
err = GetEventParameter(inEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &tHICommand);
if (err == noErr)
{
switch (tHICommand.commandID)
{
case 'OKAY':
HIViewRef ctl, root;
HIViewID cid;
root = HIViewGetRoot(tWindowRef);
cid.id = 0;
cid.signature = 'OKAY';
HIViewFindByID(root, cid, &ctl);
DeactivateControl(ctl);
cid.signature = 'CNSL';
HIViewFindByID(root, cid, &ctl);
DeactivateControl(ctl);
npserver.dialogprocess = kNPSDialogProcess;
result = noErr;
break;
case 'CNSL':
npserver.dialogprocess = kNPSDialogCancel;
result = noErr;
break;
}
}
break;
}
break;
}
return (result);
}
void NPServerInit (void)
{
npserver.listenloop = false;
npserver.phasecount = 0;
npserver.phasespan = 0;
npserver.header = 0;
npserver.socket = -1;
npserver.numplayers = 0;
for (int i = 0; i < NP_MAX_PLAYERS; i++)
{
for (int j = 0; j < 64; j++)
{
npactvpad[i][j] = 0;
nprecvpad[i][j] = 0;
npsendpad[i][j] = 0;
}
}
for (int j = 0; j < 64; j++)
npcachpad[j] = 0;
for (int c = 0; c < NP_MAX_PLAYERS; c++)
{
npplayer[c].padloop = false;
npplayer[c].exitsgn = false;
npplayer[c].online = false;
npplayer[c].ready = false;
npplayer[c].socket = -1;
npplayer[c].client = 0;
npplayer[c].player = 0;
npplayer[c].ip[0] = 0;
npplayer[c].name[0] = 0;
}
npplayer[0].online = true;
npplayer[0].ready = true;
char name[256];
if (gethostname(name, 256) == 0)
{
struct hostent *hn;
if ((hn = gethostbyname(name)) != NULL)
{
struct in_addr addr;
memcpy(&addr, hn->h_addr_list[0], sizeof(struct in_addr));
strcpy(npplayer[0].ip, inet_ntoa(addr));
}
else
strcpy(npplayer[0].ip, "unknown");
}
else
strcpy(npplayer[0].ip, "unknown");
CFStringRef ref;
ref = CFCopyLocalizedString(CFSTR("NPServerName"), "NPServer");
if (ref)
{
Boolean r;
r = CFStringGetCString(ref, npplayer[0].name, 256, kCFStringEncodingUTF8);
if (!r)
strcpy(npplayer[0].name, "unknown");
CFRelease(ref);
}
else
strcpy(npplayer[0].name, "unknown");
}
bool8 NPServerStartServer (int port)
{
#ifndef SELF_TEST
struct sockaddr_in address;
#else
struct sockaddr_un address;
#endif
int v = 1;
NPNotification("Server: Starting server...", -1);
#ifndef SELF_TEST
if ((npserver.socket = socket(PF_INET, SOCK_STREAM, 0)) < 0)
#else
if ((npserver.socket = socket(PF_UNIX, SOCK_STREAM, 0)) < 0)
#endif
{
NPError("Server: Failed to create listening socket.", 1001);
return (false);
}
if ((setsockopt(npserver.socket, SOL_SOCKET, SO_REUSEADDR, (char *) &v, sizeof(v))) < 0)
{
NPError("Server: Failed to set socket option.", 1002);
return (false);
}
memset(&address, 0, sizeof(address));
#ifndef SELF_TEST
address.sin_family = AF_INET;
address.sin_addr.s_addr = htonl(INADDR_ANY);
address.sin_port = htons(port);
#else
address.sun_family = AF_UNIX;
strcpy(address.sun_path, SOCK_NAME);
#endif
#ifndef SELF_TEST
if ((bind(npserver.socket, (struct sockaddr *) &address, sizeof(address))) < 0)
#else
unlink(SOCK_NAME);
if ((bind(npserver.socket, (struct sockaddr *) &address, sizeof(address))) < 0)
#endif
{
NPError("Server: Failed to bind socket to port number.", 1003);
return (false);
}
if ((listen(npserver.socket, NP_MAX_CLIENTS)) < 0)
{
NPError("Server: Failed to get new socket to listen.", 1004);
return (false);
}
npplayer[0].socket = npserver.socket;
NPNotification("Server: Started server.", -1);
return (true);
}
void NPServerStopServer (void)
{
NPNotification("Server: Stopping server...", -1);
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
NPServerShutdownClient(c);
npplayer[0].online = false;
npplayer[0].ready = false;
npplayer[0].socket = -1;
npplayer[0].client = 0;
npplayer[0].player = 0;
npplayer[0].ip[0] = 0;
npplayer[0].name[0] = 0;
if (npserver.socket != -1)
{
close(npserver.socket);
npserver.socket = -1;
}
NPNotification("Server: Stopped server.", -1);
}
static void NPServerShutdownClient (int c)
{
if (npplayer[c].online)
{
NPNotification("Server: Closing client %d connection...", c);
if (npplayer[c].socket != -1)
{
close(npplayer[c].socket);
npplayer[c].socket = -1;
}
npplayer[c].online = false;
npplayer[c].ready = false;
npplayer[c].client = 0;
npplayer[c].player = 0;
npplayer[c].ip[0] = 0;
npplayer[c].name[0] = 0;
NPNotification("Server: Client %d has disconnected.", c);
}
}
static int NPServerAcceptClient (int port)
{
#ifndef SELF_TEST
struct sockaddr_in address;
#else
struct sockaddr_un address;
#endif
int newfd;
int c;
socklen_t l;
NPNotification("Server: Accepting new client connection...", -1);
for (c = 1; c <= NP_MAX_CLIENTS; c++)
if (!npplayer[c].online)
break;
if (c > NP_MAX_CLIENTS)
{
NPError("Server: Maximum number of clients have already connected.", 1101);
return (-1);
}
l = sizeof(address);
memset(&address, 0, l);
if ((newfd = accept(port, (struct sockaddr *) &address, &l)) < 0)
{
NPError("Server: Can't accept client connection.", 1102);
return (-1);
}
npplayer[c].online = true;
npplayer[c].socket = newfd;
#ifndef SELF_TEST
if (address.sin_family == AF_INET)
strcpy(npplayer[c].ip, inet_ntoa(address.sin_addr));
else
strcpy(npplayer[c].ip, "unknown");
#else
strcpy(npplayer[c].ip, "Unix");
#endif
NPNotification("Server: new client %d has connected.", c);
return (c);
}
static void NPServerBeginListenLoop (void)
{
npserver.listenloop = true;
pthread_create(&listenthread, NULL, NPServerListenLoop, NULL);
}
static void NPServerEndListenLoop (void)
{
npserver.listenloop = false;
pthread_join(listenthread, NULL);
}
static void * NPServerListenLoop (void *)
{
struct timeval timeout;
fd_set readfds;
int maxfd;
NPNotification("Server: Entered listening loop.", -1);
while (npserver.listenloop)
{
FD_ZERO(&readfds);
maxfd = 0;
if (npserver.socket != -1)
{
FD_SET(npserver.socket, &readfds);
maxfd = npserver.socket;
}
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
{
if (npplayer[c].online)
{
FD_SET(npplayer[c].socket, &readfds);
if (maxfd < npplayer[c].socket)
maxfd = npplayer[c].socket;
}
}
timeout.tv_sec = 0;
timeout.tv_usec = 50000;
if (select(maxfd + 1, &readfds, NULL, NULL, &timeout) > 0)
{
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
{
if (npplayer[c].online)
{
if (FD_ISSET(npplayer[c].socket, &readfds))
{
switch (NPServerGetMesFromClient(c))
{
case kNPClientNameSent:
if (!NPServerSendROMInfoToClient(c))
NPServerShutdownClient(c);
break;
case kNPClientROMOpened:
if (!NPServerSendSRAMToClient(c))
NPServerShutdownClient(c);
break;
case kNPClientSRAMLoaded:
npplayer[c].ready = true;
break;
default:
NPServerShutdownClient(c);
break;
}
}
}
}
if (FD_ISSET(npserver.socket, &readfds))
{
int client;
if ((client = NPServerAcceptClient(npserver.socket)) != -1)
{
if (!NPServerGetNameFromClient(client))
NPServerShutdownClient(client);
}
}
}
}
NPNotification("Server: Exited listening loop.", -1);
return (NULL);
}
static bool8 NPServerSendMesToClient (int c, int num)
{
uint8 mes[2];
mes[0] = NP_SERVER_MAGIC;
mes[1] = num;
if (socket_write(npplayer[c].socket, mes, 2) != 2)
return (false);
return (true);
}
static int NPServerGetMesFromClient (int c)
{
uint8 mes[2];
if (socket_read(npplayer[c].socket, mes, 2) != 2)
return (-1);
if (mes[0] != NP_CLIENT_MAGIC)
return (-1);
return ((int) mes[1]);
}
static bool8 NPServerGetNameFromClient (int c)
{
if (!npplayer[c].online)
return (false);
NPNotification("Server: Receiving player name from client %d...", c);
if (NPServerSendMesToClient(c, kNPServerNameRequest) == false)
{
NPError("Server: Failed to send messsage to client.", 1201);
return (false);
}
uint8 mes[4];
uint32 l;
if (socket_read(npplayer[c].socket, mes, 4) != 4)
{
NPError("Server: Failed to receive name size from client.", 1202);
return (false);
}
l = READ_LONG(mes + 0);
if (socket_read(npplayer[c].socket, (uint8 *) npplayer[c].name, l) != (int) l)
{
NPError("Server: Failed to receive name from client.", 1203);
return (false);
}
npplayer[c].name[l] = 0;
if (NPServerSendMesToClient(c, kNPServerNameReceived) == false)
{
NPError("Server: Failed to send messsage to client.", 1204);
return (false);
}
NPNotification("Server: Received player name from client %d.", c);
return (true);
// next: kNPClientNameSent
}
static bool8 NPServerSendROMInfoToClient (int c)
{
if (!npplayer[c].online)
return (false);
NPNotification("Server: Sending ROM information to client %d...", c);
if (NPServerSendMesToClient(c, kNPServerROMInfoWillSend) == false)
{
NPError("Server: Failed to send messsage to client.", 1301);
return (false);
}
if (NPServerGetMesFromClient(c) != kNPClientROMInfoWaiting)
{
NPError("Server: Failed to receive messsage from client.", 1302);
return (false);
}
uint8 mes[16];
uint32 l;
char drive[_MAX_DRIVE + 1], dir[_MAX_DIR + 1], fname[_MAX_FNAME + 1], ext[_MAX_EXT + 1];
_splitpath(Memory.ROMFilename, drive, dir, fname, ext);
l = strlen(fname);
WRITE_LONG(mes + 0, Memory.ROMCRC32);
WRITE_LONG(mes + 4, deviceSetting);
WRITE_BYTE(mes + 8, 0); // reserved
WRITE_BYTE(mes + 9, 0); // reserved
WRITE_BYTE(mes + 10, 0); // reserved
WRITE_BYTE(mes + 11, 0); // reserved
WRITE_LONG(mes + 12, l);
if (socket_write(npplayer[c].socket, mes, 16) != 16)
{
NPError("Server: Failed to send ROM information to client.", 1303);
return (false);
}
if (socket_write(npplayer[c].socket, (uint8 *) fname, l) != (int) l)
{
NPError("Server: Failed to send ROM name to client.", 1304);
return (false);
}
NPNotification("Server: Sent ROM information to client %d.", c);
return (true);
// next: kNPClientROMOpened
}
static bool8 NPServerSendSRAMToClient (int c)
{
if (!npplayer[c].online)
return (false);
NPNotification("Server: Sending SRAM to client %d...", c);
if (NPServerSendMesToClient(c, kNPServerSRAMWillSend) == false)
{
NPError("Server: Failed to send messsage to client.", 1401);
return (false);
}
if (NPServerGetMesFromClient(c) != kNPClientSRAMWaiting)
{
NPError("Server: Failed to receive messsage from client.", 1402);
return (false);
}
uint8 mes[4];
uint32 sramsize;
sramsize = Memory.SRAMSize ? (1 << (Memory.SRAMSize + 3)) * 128 : 0;
WRITE_LONG(mes + 0, sramsize);
if (socket_write(npplayer[c].socket, mes, 4) != 4)
{
NPError("Server: Failed to send SRAM size to client.", 1403);
return (false);
}
if (sramsize && (socket_write(npplayer[c].socket, Memory.SRAM, sramsize) != (int) sramsize))
{
NPError("Server: Failed to send SRAM to client.", 1404);
return (false);
}
NPNotification("Server: Sent SRAM to client %d.", c);
return (true);
// next: kNPClientSRAMLoaded
}
static void NPServerDetachProcessThread (void)
{
pthread_create(&processthread, NULL, NPServerProcessThread, NULL);
pthread_detach(processthread);
}
static void * NPServerProcessThread (void *)
{
NPNotification("Server: Entered process thread.", -1);
NPServerAllotPlayers();
NPServerSendPlayerList();
NPServerSetPhaseSpan();
NPServerWaitStartReply();
npserver.dialogprocess = kNPSDialogDone;
NPNotification("Server: Exited process thread.", -1);
return (NULL);
}
static void NPServerAllotPlayers (void)
{
int n = 1;
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
{
if (npplayer[c].ready)
{
npplayer[c].client = c;
npplayer[c].player = n++;
}
else
NPServerShutdownClient(c);
}
npplayer[0].client = 0;
npplayer[0].player = 0;
npserver.numplayers = n;
NPNotification("Server: Number of players: %d", n);
}
static bool8 NPServerSendPlayerListToClient (int c)
{
if (!npplayer[c].online || !npplayer[c].ready)
return (false);
NPNotification("Server: Sending player list to client %d...", c);
if (NPServerSendMesToClient(c, kNPServerPlayerWillSend) == false)
{
NPError("Server: Failed to send messsage to client.", 1601);
return (false);
}
if (NPServerGetMesFromClient(c) != kNPClientPlayerWaiting)
{
NPError("Server: Failed to receive messsage from client.", 1602);
return (false);
}
for (int i = 0; i < NP_MAX_PLAYERS; i++)
{
uint8 mes[10];
uint32 l;
l = npplayer[i].ready ? strlen(npplayer[i].name) : 0;
WRITE_BYTE(mes + 0, (i == c));
WRITE_BYTE(mes + 1, npplayer[i].ready);
WRITE_LONG(mes + 2, npplayer[i].player);
WRITE_LONG(mes + 6, l);
if (socket_write(npplayer[c].socket, mes, 10) != 10)
{
NPError("Server: Failed to send name size to client.", 1603);
return (false);
}
if (l && (socket_write(npplayer[c].socket, (uint8 *) npplayer[i].name, l) != (int) l))
{
NPError("Server: Failed to send name to client.", 1604);
return (false);
}
}
NPNotification("Server: Sent player list to client %d.", c);
return (true);
}
static void NPServerSendPlayerList (void)
{
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
{
if (npplayer[c].ready)
{
if (NPServerSendPlayerListToClient(c) == false)
NPServerShutdownClient(c);
}
}
}
static void NPServerSetPhaseSpan (void)
{
struct timeval tv1, tv2;
uint8 mes[21];
uint32 dus, dusmax;
int l = npserver.numplayers * 4 + 1;
NPNotification("Server: Testing sending / receiving pad states...", -1);
dusmax = 0;
for (int n = 0; n < 5; n++)
{
gettimeofday(&tv1, NULL);
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
{
if (npplayer[c].ready)
{
if (socket_write(npplayer[c].socket, mes, l) != l)
NPServerShutdownClient(c);
}
}
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
{
if (npplayer[c].ready)
{
if (socket_read(npplayer[c].socket, mes, 5) != 5)
NPServerShutdownClient(c);
}
}
gettimeofday(&tv2, NULL);
dus = (tv2.tv_sec * 1000000 + tv2.tv_usec) - (tv1.tv_sec * 1000000 + tv1.tv_usec);
NPNotification(" %d [usec]", dus);
if (dusmax < dus)
dusmax = dus;
usleep(50000);
}
NPNotification("Server: Tested sending / receiving pad states.", -1);
npserver.phasespan = (uint32) Memory.ROMFramesPerSecond * dusmax / 1000000 + 1;
if (npserver.phasespan > (uint32) Memory.ROMFramesPerSecond)
npserver.phasespan = (uint32) Memory.ROMFramesPerSecond;
NPNotification(" phase span: %d (frames)", npserver.phasespan);
NPNotification("Server: Sending phase span value to clients...", -1);
WRITE_LONG(mes + 0, npserver.phasespan);
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
{
if (npplayer[c].ready)
{
if (socket_write(npplayer[c].socket, mes, 4) != 4)
NPServerShutdownClient(c);
}
}
NPNotification("Server: Sent phase span value to clients.", -1);
}
static void NPServerWaitStartReply (void)
{
struct timeval timeout;
fd_set readfds;
int maxfd;
bool8 allok, flag[NP_MAX_PLAYERS];
NPNotification("Server: Waiting clients reply to start...", -1);
allok = false;
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
flag[c] = false;
while (!allok)
{
FD_ZERO(&readfds);
maxfd = 0;
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
{
if (npplayer[c].ready)
{
FD_SET(npplayer[c].socket, &readfds);
if (maxfd < npplayer[c].socket)
maxfd = npplayer[c].socket;
}
}
timeout.tv_sec = 0;
timeout.tv_usec = 50000;
if (select(maxfd + 1, &readfds, NULL, NULL, &timeout) > 0)
{
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
{
if (npplayer[c].ready)
{
if (FD_ISSET(npplayer[c].socket, &readfds))
{
if (NPServerGetMesFromClient(c) == kNPClientStartWait)
flag[c] = true;
else
NPServerShutdownClient(c);
}
}
}
}
allok = true;
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
if (npplayer[c].ready && !flag[c])
allok = false;
}
NPNotification("Server: All clients are ready to start netplay.", -1);
}
void NPServerDetachNetPlayThread (void)
{
NPNotification("Server: Detaching pad threads...", -1);
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
{
if (npplayer[c].ready)
{
npplayer[c].padloop = true;
npplayer[c].exitsgn = false;
sememu[c] = sem_open(n_sememu[c], O_CREAT, 0600, 0);
sempad[c] = sem_open(n_sempad[c], O_CREAT, 0600, 0);
pthread_create(&padthread[c], NULL, NPServerNetPlayThread, &(npplayer[c].client));
pthread_detach(padthread[c]);
}
}
NPNotification("Server: Detached pad threads.", -1);
}
void NPServerStopNetPlayThread (void)
{
NPNotification("Server: Stopping pad threads...", -1);
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
{
if (npplayer[c].ready)
{
npplayer[c].padloop = false;
sem_post(sempad[c]);
while (!npplayer[c].exitsgn)
sleep(0);
sem_unlink(n_sememu[c]);
sem_unlink(n_sempad[c]);
sem_close(sememu[c]);
sem_close(sempad[c]);
}
}
NPNotification("Server: Stopped pad threads.", -1);
}
void NPServerStartClients (void)
{
NPNotification("Server: Sending start flag to clients...", -1);
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
{
if (npplayer[c].ready)
{
if (NPServerSendMesToClient(c, kNPServerStart) == false)
NPServerShutdownClient(c);
}
}
NPNotification("Server: Sent start flag to clients.", -1);
npserver.phasecount = 0;
npserver.header = 0;
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
if (npplayer[c].ready)
sem_post(sempad[c]);
NPNotification("Server: Netplay started.", -1);
}
static void * NPServerNetPlayThread (void *p)
{
uint8 mes[NP_MAX_PLAYERS * 64 * 4 + 1];
uint8 count = 0;
int c = *((int *) p), l;
NPNotification("Server: Entered pad thread for client %d.", c);
while (npplayer[c].padloop)
{
sem_wait(sempad[c]);
WRITE_BYTE(mes + 0, count | npserver.header);
for (int i = 0; i < npserver.numplayers; i++)
for (uint32 j = 0; j < npserver.phasespan; j++)
WRITE_LONG(mes + (i * npserver.phasespan + j) * 4 + 1, npsendpad[i][j]);
l = npserver.numplayers * npserver.phasespan * 4 + 1;
if (socket_write(npplayer[c].socket, mes, l) != l)
{
NPServerShutdownClient(c);
npplayer[c].exitsgn = true;
sem_post(sememu[c]);
pthread_exit(NULL);
}
l = npserver.phasespan * 4 + 1;
if (socket_read(npplayer[c].socket, mes, l) != l)
{
NPServerShutdownClient(c);
npplayer[c].exitsgn = true;
sem_post(sememu[c]);
pthread_exit(NULL);
}
for (uint32 j = 0; j < npserver.phasespan; j++)
nprecvpad[npplayer[c].player][j] = READ_LONG(mes + j * 4 + 1);
if ((mes[0] & 0xF) != count)
NPNotification("Server: Warning: Failed to synchronize client %d.", c);
count = (count + 1) & 0xF;
sem_post(sememu[c]);
}
npplayer[c].exitsgn = true;
NPNotification("Server: Exited pad thread for client %d.", c);
return (NULL);
}
void NPServerProcessInput (void)
{
static uint8 header = 0;
static uint32 pos = 0;
KeyMap myKeys;
if (npserver.phasecount == 0)
{
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
if (npplayer[c].ready)
sem_wait(sememu[c]);
for (uint32 j = 0; j < npserver.phasespan; j++)
nprecvpad[0][j] = npcachpad[j];
for (int i = 0; i < npserver.numplayers; i++)
{
for (uint32 j = 0; j < npserver.phasespan; j++)
{
npactvpad[i][j] = npsendpad[i][j];
npsendpad[i][j] = nprecvpad[i][j];
}
}
if (npserver.header & 0x80)
{
for (int i = 0; i < npserver.numplayers; i++)
{
npactvpad[i][npserver.phasespan] = 0;
npsendpad[i][npserver.phasespan] = 0;
}
npserver.phasespan++;
if (npserver.phasespan > (uint32) Memory.ROMFramesPerSecond)
npserver.phasespan = (uint32) Memory.ROMFramesPerSecond;
char str[256];
sprintf(str, "delay: %d", npserver.phasespan);
S9xMessage(0, 0, str);
}
else
if (npserver.header & 0x40)
{
npserver.phasespan--;
if (npserver.phasespan == 0)
npserver.phasespan = 1;
char str[256];
sprintf(str, "delay: %d", npserver.phasespan);
S9xMessage(0, 0, str);
}
npserver.header = header;
header = 0;
pos = 0;
}
for (int i = 0; i < npserver.numplayers; i++)
{
controlPad[i] = npactvpad[i][pos];
ControlPadFlagsToS9xReportButtons(i, controlPad[i]);
}
GetKeys(myKeys);
if (ISpKeyIsPressed(kISpEsc) || KeyIsPressed(myKeys, keyCode[kKeyEsc]))
{
if (s9xthreadrunning)
{
if (!eventQueued)
{
PostQueueToSubEventLoop();
eventQueued = true;
}
}
else
running = false;
return;
}
uint32 pad = 0;
JoypadScanDirection(0, &pad);
if (ISpKeyIsPressed(kISp1PR )) pad |= 0x0010;
if (ISpKeyIsPressed(kISp1PL )) pad |= 0x0020;
if (ISpKeyIsPressed(kISp1PX )) pad |= 0x0040;
if (ISpKeyIsPressed(kISp1PA )) pad |= 0x0080;
if (ISpKeyIsPressed(kISp1PStart )) pad |= 0x1000;
if (ISpKeyIsPressed(kISp1PSelect)) pad |= 0x2000;
if (ISpKeyIsPressed(kISp1PY )) pad |= 0x4000;
if (ISpKeyIsPressed(kISp1PB )) pad |= 0x8000;
if (KeyIsPressed(myKeys, keyCode[k1PR] )) pad |= 0x0010;
if (KeyIsPressed(myKeys, keyCode[k1PL] )) pad |= 0x0020;
if (KeyIsPressed(myKeys, keyCode[k1PX] )) pad |= 0x0040;
if (KeyIsPressed(myKeys, keyCode[k1PA] )) pad |= 0x0080;
if (KeyIsPressed(myKeys, keyCode[k1PRight] )) pad |= 0x0100;
if (KeyIsPressed(myKeys, keyCode[k1PLeft] )) pad |= 0x0200;
if (KeyIsPressed(myKeys, keyCode[k1PDown] )) pad |= 0x0400;
if (KeyIsPressed(myKeys, keyCode[k1PUp] )) pad |= 0x0800;
if (KeyIsPressed(myKeys, keyCode[k1PStart] )) pad |= 0x1000;
if (KeyIsPressed(myKeys, keyCode[k1PSelect])) pad |= 0x2000;
if (KeyIsPressed(myKeys, keyCode[k1PY] )) pad |= 0x4000;
if (KeyIsPressed(myKeys, keyCode[k1PB] )) pad |= 0x8000;
npcachpad[pos] = pad;
if (KeyIsPressed(myKeys, keyCode[k2PR])) header |= 0x80;
if (KeyIsPressed(myKeys, keyCode[k2PL])) header |= 0x40;
if (npserver.phasecount == 0)
{
npserver.phasecount = npserver.phasespan;
for (int c = 1; c <= NP_MAX_CLIENTS; c++)
if (npplayer[c].ready)
sem_post(sempad[c]);
}
npserver.phasecount--;
pos++;
}
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