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/*****************************************************************************\
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
This file is licensed under the Snes9x License.
For further information, consult the LICENSE file in the root directory.
\*****************************************************************************/
/***********************************************************************************
SNES9X for Mac OS (c) Copyright John Stiles
Snes9x for Mac OS X
(c) Copyright 2001 - 2011 zones
(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 void NPServerDialogTimerHandler (EventLoopTimerRef, void *);
static 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 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 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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