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diff --git a/source/server.cpp b/source/server.cpp
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-/*******************************************************************************
- Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
-
- (c) Copyright 1996 - 2002 Gary Henderson (gary.henderson@ntlworld.com) and
- Jerremy Koot (jkoot@snes9x.com)
-
- (c) Copyright 2001 - 2004 John Weidman (jweidman@slip.net)
-
- (c) Copyright 2002 - 2004 Brad Jorsch (anomie@users.sourceforge.net),
- funkyass (funkyass@spam.shaw.ca),
- Joel Yliluoma (http://iki.fi/bisqwit/)
- Kris Bleakley (codeviolation@hotmail.com),
- Matthew Kendora,
- Nach (n-a-c-h@users.sourceforge.net),
- Peter Bortas (peter@bortas.org) and
- zones (kasumitokoduck@yahoo.com)
-
- C4 x86 assembler and some C emulation code
- (c) Copyright 2000 - 2003 zsKnight (zsknight@zsnes.com),
- _Demo_ (_demo_@zsnes.com), and Nach
-
- C4 C++ code
- (c) Copyright 2003 Brad Jorsch
-
- DSP-1 emulator code
- (c) Copyright 1998 - 2004 Ivar (ivar@snes9x.com), _Demo_, Gary Henderson,
- John Weidman, neviksti (neviksti@hotmail.com),
- Kris Bleakley, Andreas Naive
-
- DSP-2 emulator code
- (c) Copyright 2003 Kris Bleakley, John Weidman, neviksti, Matthew Kendora, and
- Lord Nightmare (lord_nightmare@users.sourceforge.net
-
- OBC1 emulator code
- (c) Copyright 2001 - 2004 zsKnight, pagefault (pagefault@zsnes.com) and
- Kris Bleakley
- Ported from x86 assembler to C by sanmaiwashi
-
- SPC7110 and RTC C++ emulator code
- (c) Copyright 2002 Matthew Kendora with research by
- zsKnight, John Weidman, and Dark Force
-
- S-DD1 C emulator code
- (c) Copyright 2003 Brad Jorsch with research by
- Andreas Naive and John Weidman
-
- S-RTC C emulator code
- (c) Copyright 2001 John Weidman
-
- ST010 C++ emulator code
- (c) Copyright 2003 Feather, Kris Bleakley, John Weidman and Matthew Kendora
-
- Super FX x86 assembler emulator code
- (c) Copyright 1998 - 2003 zsKnight, _Demo_, and pagefault
-
- Super FX C emulator code
- (c) Copyright 1997 - 1999 Ivar, Gary Henderson and John Weidman
-
-
- SH assembler code partly based on x86 assembler code
- (c) Copyright 2002 - 2004 Marcus Comstedt (marcus@mc.pp.se)
-
-
- 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 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.
-
- Snes9x is freeware for PERSONAL USE only. Commercial users should
- seek permission of the copyright holders first. Commercial use includes
- charging money for Snes9x or software derived from Snes9x.
-
- 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.
-*******************************************************************************/
-
-#ifdef NETPLAY_SUPPORT
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <memory.h>
-#include <sys/types.h>
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-
-#ifndef __WIN32__
-#include <unistd.h>
-#include <sys/time.h>
-#endif
-
-#ifdef __WIN32__
-
-#include <winsock.h>
-#include <process.h>
-#define ioctl ioctlsocket
-#define close closesocket
-#define read(a,b,c) recv(a, b, c, 0)
-#define write(a,b,c) send(a, b, c, 0)
-#define gettimeofday(a,b) S9xGetTimeOfDay (a)
-#define exit(a) _endthread()
-void S9xGetTimeOfDay (struct timeval *n);
-#else
-
-#include <netdb.h>
-#include <sys/socket.h>
-#include <sys/param.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <signal.h>
-
-#ifdef __SVR4
-#include <sys/stropts.h>
-#endif
-
-#endif // !__WIN32__
-
-#include "snes9x.h"
-#include "netplay.h"
-#include "memmap.h"
-#include "snapshot.h"
-
-#define NP_ONE_CLIENT 1
-
-struct SNPServer NPServer;
-
-extern unsigned long START;
-
-void S9xNPSendToAllClients (uint8 *data, int len);
-bool8 S9xNPLoadFreezeFile (const char *fname, uint8 *&data, uint32 &len);
-void S9xNPSendFreezeFile (int c, uint8 *data, uint32 len);
-void S9xNPNoClientReady (int start_index = NP_ONE_CLIENT);
-void S9xNPRecomputePause ();
-void S9xNPWaitForEmulationToComplete ();
-void S9xNPSendROMImageToAllClients ();
-bool8 S9xNPSendROMImageToClient (int client);
-void S9xNPSendSRAMToClient (int c);
-void S9xNPSendSRAMToAllClients ();
-void S9xNPSyncClient (int);
-void S9xNPSendROMLoadRequest (const char *filename);
-void S9xNPSendFreezeFileToAllClients (const char *filename);
-void S9xNPStopServer ();
-
-void S9xNPShutdownClient (int c, bool8 report_error = FALSE)
-{
- if (NPServer.Clients [c].Connected)
- {
- NPServer.Clients [c].Connected = FALSE;
- NPServer.Clients [c].SaidHello = FALSE;
-
- close (NPServer.Clients [c].Socket);
-#ifdef NP_DEBUG
- printf ("SERVER: Player %d disconnecting @%ld\n", c + 1, S9xGetMilliTime () - START);
-#endif
- if (report_error)
- {
- sprintf (NetPlay.ErrorMsg,
- "Player %d on '%s' has disconnected.", c + 1,
- NPServer.Clients [c].HostName);
- S9xNPSetError (NetPlay.ErrorMsg);
- }
-
- if (NPServer.Clients [c].HostName)
- {
- free ((char *) NPServer.Clients [c].HostName);
- NPServer.Clients [c].HostName = NULL;
- }
- if (NPServer.Clients [c].ROMName)
- {
- free ((char *) NPServer.Clients [c].ROMName);
- NPServer.Clients [c].ROMName = NULL;
- }
- if (NPServer.Clients [c].Who)
- {
- free ((char *) NPServer.Clients [c].Who);
- NPServer.Clients [c].Who = NULL;
- }
- NPServer.Joypads [c] = 0;
- NPServer.NumClients--;
- S9xNPRecomputePause ();
- }
-}
-
-static bool8 S9xNPSGetData (int socket, uint8 *data, int length)
-{
- int len = length;
- uint8 *ptr = data;
-
- do
- {
- int num_bytes = len;
-
- // Read the data in small chunks, allowing this thread to spot an
- // abort request from another thread.
- if (num_bytes > 512)
- num_bytes = 512;
-
- int got = read (socket, (char *) ptr, num_bytes);
- if (got < 0)
- {
- if (errno == EINTR
-#ifdef EAGAIN
- || errno == EAGAIN
-#endif
-#ifdef EWOULDBLOCK
- || errno == EWOULDBLOCK
-#endif
-#ifdef WSAEWOULDBLOCK
- || errno == WSAEWOULDBLOCK
-#endif
- )
- continue;
-#ifdef WSAEMSGSIZE
- if (errno != WSAEMSGSIZE)
- return (FALSE);
- else
- {
- got = num_bytes;
-#ifdef NP_DEBUG
- printf ("SERVER: WSAEMSGSIZE, actual bytes %d while receiving data @%d\n", got, S9xGetMilliTime () - START);
-#endif
- }
-#else
- return (FALSE);
-#endif
- }
- else
- if (got == 0)
- return (FALSE);
-
- len -= got;
- ptr += got;
- } while (len > 0);
-
- return (TRUE);
-}
-
-static bool8 S9xNPSSendData (int fd, const uint8 *data, int length)
-{
- int Percent = 0;
- int len = length;
- int chunk = length / 50;
-
- if (chunk < 1024)
- chunk = 1024;
-
- do
- {
- int num_bytes = len;
-
- // Write the data in small chunks, allowing this thread to spot an
- // abort request from another thread.
- if (num_bytes > chunk)
- num_bytes = chunk;
-
- int sent;
- sent = write (fd, (char *) data, len);
-
- if (sent < 0)
- {
- if (errno == EINTR
-#ifdef EAGAIN
- || errno == EAGAIN
-#endif
-#ifdef EWOULDBLOCK
- || errno == EWOULDBLOCK
-#endif
- )
- {
-#ifdef NP_DEBUG
- printf ("SERVER: EINTR, EAGAIN or EWOULDBLOCK while sending data @%ld\n", S9xGetMilliTime () - START);
-#endif
- continue;
- }
- return (FALSE);
- }
- else
- if (sent == 0)
- return (FALSE);
- len -= sent;
- data += sent;
- if (length > 1024)
- {
- Percent = (uint8) (((length - len) * 100) / length);
-#ifdef __WIN32__
- PostMessage (GUI.hWnd, WM_USER, Percent, Percent);
- Sleep (0);
-#endif
- }
- } while (len > 0);
-
- return (TRUE);
-}
-
-void S9xNPSendHeartBeat ()
-{
- int len = 3;
- uint8 data [3 + 4 * 5];
- uint8 *ptr = data;
- int n;
-
- for (n = NP_MAX_CLIENTS - 1; n >= 0; n--)
- {
- if (NPServer.Clients [n].SaidHello)
- break;
- }
-
- if (n >= 0)
- {
- bool8 Paused = NPServer.Paused != 0;
-
- NPServer.FrameCount++;
- *ptr++ = NP_SERV_MAGIC;
- *ptr++ = 0; // Individual client sequence number will get placed here
- *ptr++ = NP_SERV_JOYPAD | (n << 6) | ((Paused != 0) << 5);
-
- WRITE_LONG (ptr, NPServer.FrameCount);
- len += 4;
- ptr += 4;
-
- int i;
-
- for (i = 0; i <= n; i++)
- {
- WRITE_LONG (ptr, NPServer.Joypads [i]);
- len += 4;
- ptr += 4;
- }
-
- S9xNPSendToAllClients (data, len);
- }
-}
-
-void S9xNPSendToAllClients (uint8 *data, int len)
-{
- int i;
-
- for (i = 0; i < NP_MAX_CLIENTS; i++)
- {
- if (NPServer.Clients [i].SaidHello)
- {
- data [1] = NPServer.Clients [i].SendSequenceNum++;
- if (!S9xNPSSendData (NPServer.Clients [i].Socket, data, len))
- S9xNPShutdownClient (i, TRUE);
- }
- }
-}
-
-void S9xNPProcessClient (int c)
-{
- uint8 header [7];
- uint8 *data;
- uint32 len;
- uint8 *ptr;
-
- if (!S9xNPSGetData (NPServer.Clients [c].Socket, header, 7))
- {
- S9xNPSetWarning ("SERVER: Failed to get message header from client.\n");
- S9xNPShutdownClient (c, TRUE);
- return;
- }
- if (header [0] != NP_CLNT_MAGIC)
- {
- S9xNPSetWarning ("SERVER: Bad header magic value received from client.\n");
- S9xNPShutdownClient (c, TRUE);
- return;
- }
-
- if (header [1] != NPServer.Clients [c].ReceiveSequenceNum)
- {
-#ifdef NP_DEBUG
- printf ("SERVER: Messages lost from '%s', expected %d, got %d\n",
- NPServer.Clients [c].HostName ?
- NPServer.Clients [c].HostName : "Unknown",
- NPServer.Clients [c].ReceiveSequenceNum,
- header [1]);
-#endif
- sprintf (NetPlay.WarningMsg,
- "SERVER: Messages lost from '%s', expected %d, got %d\n",
- NPServer.Clients [c].HostName ?
- NPServer.Clients [c].HostName : "Unknown",
- NPServer.Clients [c].ReceiveSequenceNum,
- header [1]);
- NPServer.Clients [c].ReceiveSequenceNum = header [1] + 1;
- S9xNPSetWarning (NetPlay.WarningMsg);
- }
- else
- NPServer.Clients [c].ReceiveSequenceNum++;
-
- len = READ_LONG (&header [3]);
-
- switch (header [2] & 0x3f)
- {
- case NP_CLNT_HELLO:
-#ifdef NP_DEBUG
- printf ("SERVER: Got HELLO from client @%ld\n", S9xGetMilliTime () - START);
-#endif
- S9xNPSetAction ("Got HELLO from client...", TRUE);
- if (len > 0x10000)
- {
- S9xNPSetWarning ("SERVER: Client HELLO message length error.");
- S9xNPShutdownClient (c, TRUE);
- return;
- }
- data = new uint8 [len - 7];
- if (!S9xNPSGetData (NPServer.Clients [c].Socket, data, len - 7))
- {
- S9xNPSetWarning ("SERVER: Failed to get HELLO message content from client.");
- S9xNPShutdownClient (c, TRUE);
- return;
- }
-
- if (NPServer.NumClients <= NP_ONE_CLIENT)
- {
- NPServer.FrameTime = READ_LONG (data);
- strncpy (NPServer.ROMName, (char *) &data [4], 29);
- NPServer.ROMName [29] = 0;
- }
-
- NPServer.Clients [c].ROMName = strdup ((char *) &data [4]);
-#ifdef NP_DEBUG
- printf ("SERVER: Client is playing: %s, Frame Time: %d @%ld\n", data + 4, READ_LONG (data), S9xGetMilliTime () - START);
-#endif
-
- NPServer.Clients [c].SendSequenceNum = 0;
-
- len = 7 + 1 + 1 + 4 + strlen (NPServer.ROMName) + 1;
-
- delete data;
- ptr = data = new uint8 [len];
- *ptr++ = NP_SERV_MAGIC;
- *ptr++ = NPServer.Clients [c].SendSequenceNum++;
-
- if (NPServer.SendROMImageOnConnect &&
- NPServer.NumClients > NP_ONE_CLIENT)
- *ptr++ = NP_SERV_HELLO | 0x80;
- else
- *ptr++ = NP_SERV_HELLO;
- WRITE_LONG (ptr, len);
- ptr += 4;
- *ptr++ = NP_VERSION;
- *ptr++ = c + 1;
- WRITE_LONG (ptr, NPServer.FrameCount);
- ptr += 4;
- strcpy ((char *) ptr, NPServer.ROMName);
-
-#ifdef NP_DEBUG
- printf ("SERVER: Sending welcome information to client @%ld...\n", S9xGetMilliTime () - START);
-#endif
- S9xNPSetAction ("SERVER: Sending welcome information to new client...", TRUE);
- if (!S9xNPSSendData (NPServer.Clients [c].Socket, data, len))
- {
- S9xNPSetWarning ("SERVER: Failed to send welcome message to client.");
- S9xNPShutdownClient (c, TRUE);
- return;
- }
- delete data;
-#ifdef NP_DEBUG
- printf ("SERVER: Waiting for a response from the client @%ld...\n", S9xGetMilliTime () - START);
-#endif
- S9xNPSetAction ("SERVER: Waiting for a response from the client...", TRUE);
- break;
-
- case NP_CLNT_LOADED_ROM:
-#ifdef NP_DEBUG
- printf ("SERVER: Client %d loaded requested ROM @%ld...\n", c, S9xGetMilliTime () - START);
-#endif
- NPServer.Clients [c].SaidHello = TRUE;
- NPServer.Clients [c].Ready = FALSE;
- NPServer.Clients [c].Paused = FALSE;
- S9xNPRecomputePause ();
- S9xNPWaitForEmulationToComplete ();
-
- if (NPServer.SyncByReset)
- {
- S9xNPServerAddTask (NP_SERVER_SEND_SRAM, (void *) c);
- S9xNPServerAddTask (NP_SERVER_RESET_ALL, 0);
- }
- else
- S9xNPServerAddTask (NP_SERVER_SYNC_CLIENT, (void *) c);
- break;
-
- case NP_CLNT_RECEIVED_ROM_IMAGE:
-#ifdef NP_DEBUG
- printf ("SERVER: Client %d received ROM image @%ld...\n", c, S9xGetMilliTime () - START);
-#endif
- NPServer.Clients [c].SaidHello = TRUE;
- NPServer.Clients [c].Ready = FALSE;
- NPServer.Clients [c].Paused = FALSE;
- S9xNPRecomputePause ();
- S9xNPWaitForEmulationToComplete ();
-
- if (NPServer.SyncByReset)
- {
- S9xNPServerAddTask (NP_SERVER_SEND_SRAM, (void *) c);
- S9xNPServerAddTask (NP_SERVER_RESET_ALL, 0);
- }
- else
- S9xNPServerAddTask (NP_SERVER_SYNC_CLIENT, (void *) c);
-
- break;
-
- case NP_CLNT_WAITING_FOR_ROM_IMAGE:
-#ifdef NP_DEBUG
- printf ("SERVER: Client %d waiting for ROM image @%ld...\n", c, S9xGetMilliTime () - START);
-#endif
- NPServer.Clients [c].SaidHello = TRUE;
- NPServer.Clients [c].Ready = FALSE;
- NPServer.Clients [c].Paused = FALSE;
- S9xNPRecomputePause ();
- S9xNPSendROMImageToClient (c);
- break;
-
- case NP_CLNT_READY:
-#ifdef NP_DEBUG
- printf ("SERVER: Client %d ready @%ld...\n", c, S9xGetMilliTime () - START);
-#endif
- if (NPServer.Clients [c].SaidHello)
- {
- NPServer.Clients [c].Paused = FALSE;
- NPServer.Clients [c].Ready = TRUE;
-
- S9xNPRecomputePause ();
- break;
- }
- NPServer.Clients [c].SaidHello = TRUE;
- NPServer.Clients [c].Ready = TRUE;
- NPServer.Clients [c].Paused = FALSE;
- S9xNPRecomputePause ();
-
-//printf ("SERVER: SaidHello = TRUE, SeqNum = %d @%d\n", NPServer.Clients [c].SendSequenceNum, S9xGetMilliTime () - START);
- if (NPServer.NumClients > NP_ONE_CLIENT)
- {
- if (!NPServer.SendROMImageOnConnect)
- {
- S9xNPWaitForEmulationToComplete ();
-
- if (NPServer.SyncByReset)
- {
- S9xNPServerAddTask (NP_SERVER_SEND_SRAM, (void *) c);
- S9xNPServerAddTask (NP_SERVER_RESET_ALL, 0);
- }
- else
- S9xNPServerAddTask (NP_SERVER_SYNC_CLIENT, (void *) c);
- }
- }
- else
- {
- NPServer.Clients [c].Ready = TRUE;
- S9xNPRecomputePause ();
- }
- break;
- case NP_CLNT_JOYPAD:
- NPServer.Joypads [c] = len;
- break;
- case NP_CLNT_PAUSE:
-#ifdef NP_DEBUG
- printf ("SERVER: Client %d Paused: %s @%ld\n", c, (header [2] & 0x80) ? "YES" : "NO", S9xGetMilliTime () - START);
-#endif
- NPServer.Clients [c].Paused = (header [2] & 0x80) != 0;
- if (NPServer.Clients [c].Paused)
- sprintf (NetPlay.WarningMsg, "SERVER: Client %d has paused.", c + 1);
- else
- sprintf (NetPlay.WarningMsg, "SERVER: Client %d has resumed.", c + 1);
- S9xNPSetWarning (NetPlay.WarningMsg);
- S9xNPRecomputePause ();
- break;
- }
-}
-
-void S9xNPAcceptClient (int Listen, bool8 block)
-{
- struct sockaddr_in remote_address;
- struct linger val2;
- struct hostent *host;
- int new_fd;
- int i;
-
-#ifdef NP_DEBUG
- printf ("SERVER: attempting to accept new client connection @%ld\n", S9xGetMilliTime () - START);
-#endif
- S9xNPSetAction ("SERVER: Attempting to accept client connection...", TRUE);
- memset (&remote_address, 0, sizeof (remote_address));
- ACCEPT_SIZE_T len = sizeof (remote_address);
-
- new_fd = accept (Listen, (struct sockaddr *)&remote_address, &len);
-
- S9xNPSetAction ("Setting socket options...", TRUE);
- val2.l_onoff = 1;
- val2.l_linger = 0;
- if (setsockopt (new_fd, SOL_SOCKET, SO_LINGER,
- (char *) &val2, sizeof (val2)) < 0)
- {
- S9xNPSetError ("Setting socket options failed.");
- close (new_fd);
- return;
- }
-
- for (i = 0; i < NP_MAX_CLIENTS; i++)
- {
- if (!NPServer.Clients [i].Connected)
- {
- NPServer.NumClients++;
- NPServer.Clients [i].Socket = new_fd;
- NPServer.Clients [i].SendSequenceNum = 0;
- NPServer.Clients [i].ReceiveSequenceNum = 0;
- NPServer.Clients [i].Connected = TRUE;
- NPServer.Clients [i].SaidHello = FALSE;
- NPServer.Clients [i].Paused = FALSE;
- NPServer.Clients [i].Ready = FALSE;
- NPServer.Clients [i].ROMName = NULL;
- NPServer.Clients [i].HostName = NULL;
- NPServer.Clients [i].Who = NULL;
- break;
- }
- }
-
- if (i >= NP_MAX_CLIENTS)
- {
- S9xNPSetError ("SERVER: Maximum number of NetPlay Clients have already connected.");
- close (new_fd);
- return;
- }
-
- if (remote_address.sin_family == AF_INET)
- {
-#ifdef NP_DEBUG
- printf ("SERVER: Looking up new client's hostname @%ld\n", S9xGetMilliTime () - START);
-#endif
- S9xNPSetAction ("SERVER: Looking up new client's hostname...", TRUE);
- host = gethostbyaddr ((char *) &remote_address.sin_addr,
- sizeof (remote_address.sin_addr), AF_INET);
-
- if (host)
- {
-#ifdef NP_DEBUG
- printf ("SERVER: resolved new client's hostname (%s) @%ld\n", host->h_name, S9xGetMilliTime () - START);
-#endif
- sprintf (NetPlay.WarningMsg, "SERVER: Player %d on %s has connected.", i + 1, host->h_name);
- NPServer.Clients [i].HostName = strdup (host->h_name);
- }
- else
- {
- char *ip = inet_ntoa (remote_address.sin_addr);
- if (ip)
- NPServer.Clients [i].HostName = strdup (ip);
-#ifdef NP_DEBUG
- printf ("SERVER: couldn't resolve new client's hostname (%s) @%ld\n", ip ? ip : "Unknown", S9xGetMilliTime () - START);
-#endif
- sprintf (NetPlay.WarningMsg, "SERVER: Player %d on %s has connected.", i + 1, ip ? ip : "Unknown");
- }
- S9xNPSetWarning (NetPlay.WarningMsg);
- }
-#ifdef NP_DEBUG
- printf ("SERVER: waiting for HELLO message from new client @%ld\n", S9xGetMilliTime () - START);
-#endif
- S9xNPSetAction ("SERVER: Waiting for HELLO message from new client...");
-}
-
-static bool8 server_continue = TRUE;
-
-static bool8 S9xNPServerInit (int port)
-{
- struct sockaddr_in address;
- int i;
- int val;
-
- if (!S9xNPInitialise ())
- return (FALSE);
-
- for (i = 0; i < NP_MAX_CLIENTS; i++)
- {
- NPServer.Clients [i].SendSequenceNum = 0;
- NPServer.Clients [i].ReceiveSequenceNum = 0;
- NPServer.Clients [i].Connected = FALSE;
- NPServer.Clients [i].SaidHello = FALSE;
- NPServer.Clients [i].Paused = FALSE;
- NPServer.Clients [i].Ready = FALSE;
- NPServer.Clients [i].Socket = 0;
- NPServer.Clients [i].ROMName = NULL;
- NPServer.Clients [i].HostName = NULL;
- NPServer.Clients [i].Who = NULL;
- NPServer.Joypads [i] = 0;
- }
-
- NPServer.NumClients = 0;
- NPServer.FrameCount = 0;
-
-#ifdef NP_DEBUG
- printf ("SERVER: Creating socket @%ld\n", S9xGetMilliTime () - START);
-#endif
- if ((NPServer.Socket = socket (AF_INET, SOCK_STREAM, 0)) < 0)
- {
- S9xNPSetError ("NetPlay Server: Can't create listening socket.");
- return (FALSE);
- }
-
- val = 1;
- setsockopt (NPServer.Socket, SOL_SOCKET, SO_REUSEADDR,
- (char *)&val, sizeof (val));
-
- memset (&address, 0, sizeof (address));
- address.sin_family = AF_INET;
- address.sin_addr.s_addr = htonl (INADDR_ANY);
- address.sin_port = htons (port);
-
-#ifdef NP_DEBUG
- printf ("SERVER: Binding socket to address and port @%ld\n", S9xGetMilliTime () - START);
-#endif
- if (bind (NPServer.Socket, (struct sockaddr *) &address, sizeof (address)) < 0)
- {
- S9xNPSetError ("NetPlay Server: Can't bind socket to port number.\nPort already in use?");
- return (FALSE);
- }
-
-#ifdef NP_DEBUG
- printf ("SERVER: Getting socket to listen @%ld\n", S9xGetMilliTime () - START);
-#endif
- if (listen (NPServer.Socket, NP_MAX_CLIENTS) < 0)
- {
- S9xNPSetError ("NetPlay Server: Can't get new socket to listen.");
- return (FALSE);
- }
-
-#ifdef NP_DEBUG
- printf ("SERVER: Init complete @%ld\n", S9xGetMilliTime () - START);
-#endif
- return (TRUE);
-}
-
-void S9xNPServerLoop (void *)
-{
-#ifdef __WIN32__
- BOOL success = FALSE;
-#else
- bool8 success = FALSE;
-#endif
-
- while (server_continue)
- {
- fd_set read_fds;
- struct timeval timeout;
- int res;
- int i;
-
- int max_fd = NPServer.Socket;
-
-#ifdef __WIN32__
- Sleep (0);
-#endif
-
- if (success && !Settings.Paused && !Settings.StopEmulation &&
- !Settings.ForcedPause && !NPServer.Paused)
- {
- S9xNPSendHeartBeat ();
- }
-
- do
- {
- FD_ZERO (&read_fds);
- FD_SET (NPServer.Socket, &read_fds);
- for (i = 0; i < NP_MAX_CLIENTS; i++)
- {
- if (NPServer.Clients [i].Connected)
- {
- FD_SET (NPServer.Clients [i].Socket, &read_fds);
- if (NPServer.Clients [i].Socket > max_fd)
- max_fd = NPServer.Clients [i].Socket;
- }
- }
-
- timeout.tv_sec = 0;
- timeout.tv_usec = 1000;
- res = select (max_fd + 1, &read_fds, NULL, NULL, &timeout);
-
- if (res > 0)
- {
- if (FD_ISSET (NPServer.Socket, &read_fds))
- S9xNPAcceptClient (NPServer.Socket, FALSE);
-
- for (i = 0; i < NP_MAX_CLIENTS; i++)
- {
- if (NPServer.Clients [i].Connected &&
- FD_ISSET (NPServer.Clients [i].Socket, &read_fds))
- {
- S9xNPProcessClient (i);
- }
- }
- }
- } while (res > 0);
-
-#ifdef __WIN32__
- success = WaitForSingleObject (GUI.ServerTimerSemaphore, 200) == WAIT_OBJECT_0;
-#endif
-
- while (NPServer.TaskHead != NPServer.TaskTail)
- {
- void *task_data = NPServer.TaskQueue [NPServer.TaskHead].Data;
-
-#if defined(NP_DEBUG) && NP_DEBUG == 2
- printf ("SERVER: task %d @%ld\n", NPServer.TaskQueue [NPServer.TaskHead].Task, S9xGetMilliTime () - START);
-#endif
-
- switch (NPServer.TaskQueue [NPServer.TaskHead].Task)
- {
- case NP_SERVER_SEND_ROM_IMAGE:
- S9xNPSendROMImageToAllClients ();
- break;
- case NP_SERVER_SYNC_CLIENT:
- NPServer.Clients [(int) task_data].Ready = FALSE;
- S9xNPRecomputePause ();
- S9xNPSyncClient ((int) task_data);
- break;
- case NP_SERVER_SYNC_ALL:
- S9xNPSyncClients ();
- break;
- case NP_SERVER_SEND_FREEZE_FILE_ALL:
- S9xNPSendFreezeFileToAllClients ((char *) task_data);
- free ((char *) task_data);
- break;
- case NP_SERVER_SEND_ROM_LOAD_REQUEST_ALL:
- S9xNPSendROMLoadRequest ((char *) task_data);
- free ((char *) task_data);
- break;
- case NP_SERVER_RESET_ALL:
- S9xNPNoClientReady (0);
- S9xNPWaitForEmulationToComplete ();
- S9xNPSetAction ("SERVER: Sending RESET to all clients...", TRUE);
-#ifdef NP_DEBUG
- printf ("SERVER: Sending RESET to all clients @%ld\n", S9xGetMilliTime () - START);
-#endif
- {
- uint8 reset [7];
- uint8 *ptr;
-
- ptr = reset;
- *ptr++ = NP_SERV_MAGIC;
- *ptr++ = 0;
- *ptr++ = NP_SERV_RESET;
- WRITE_LONG (ptr, NPServer.FrameCount);
- S9xNPSendToAllClients (reset, 7);
- }
- break;
- case NP_SERVER_SEND_SRAM:
- NPServer.Clients [(int) task_data].Ready = FALSE;
- S9xNPRecomputePause ();
- S9xNPWaitForEmulationToComplete ();
- S9xNPSendSRAMToClient ((int) task_data);
- break;
-
- case NP_SERVER_SEND_SRAM_ALL:
- S9xNPNoClientReady ();
- S9xNPWaitForEmulationToComplete ();
- S9xNPSendSRAMToAllClients ();
- break;
-
- default:
- S9xNPSetError ("SERVER: *** Unknown task ***\n");
- break;
- }
- NPServer.TaskHead = (NPServer.TaskHead + 1) % NP_MAX_TASKS;
- }
- }
-#ifdef NP_DEBUG
- printf ("SERVER: Server thread exiting @%ld\n", S9xGetMilliTime () - START);
-#endif
- S9xNPStopServer ();
-}
-
-bool8 S9xNPStartServer (int port)
-{
- static int p;
-
-#ifdef NP_DEBUG
- printf ("SERVER: Starting server on port %d @%ld\n", port, S9xGetMilliTime () - START);
-#endif
- p = port;
- server_continue = TRUE;
- if (S9xNPServerInit (port))
-#ifdef __WIN32__
- return (_beginthread (S9xNPServerLoop, 0, &p) != ~0);
-#else
- return (TRUE);
-#endif
-
- return (FALSE);
-}
-
-void S9xNPStopServer ()
-{
-#ifdef NP_DEBUG
- printf ("SERVER: Stopping server @%ld\n", S9xGetMilliTime () - START);
-#endif
- server_continue = FALSE;
- close (NPServer.Socket);
-
- for (int i = 0; i < NP_MAX_CLIENTS; i++)
- {
- if (NPServer.Clients [i].Connected)
- {
- close (NPServer.Clients [i].Socket);
- NPServer.Clients [i].Connected = FALSE;
- NPServer.Clients [i].SaidHello = FALSE;
- }
- }
-}
-
-#ifdef __WIN32__
-void S9xGetTimeOfDay (struct timeval *n)
-{
- unsigned long t = S9xGetMilliTime ();
-
- n->tv_sec = t / 1000;
- n->tv_usec = (t % 1000) * 1000;
-}
-#endif
-
-void S9xNPSendROMImageToAllClients ()
-{
- S9xNPNoClientReady ();
- S9xNPWaitForEmulationToComplete ();
-
- int c;
-
- for (c = NP_ONE_CLIENT; c < NP_MAX_CLIENTS; c++)
- {
- if (NPServer.Clients [c].SaidHello)
- S9xNPSendROMImageToClient (c);
- }
-
- if (NPServer.SyncByReset)
- {
- S9xNPServerAddTask (NP_SERVER_SEND_SRAM_ALL, 0);
- S9xNPServerAddTask (NP_SERVER_RESET_ALL, 0);
- }
- else
- S9xNPSyncClient (-1);
-}
-
-bool8 S9xNPSendROMImageToClient (int c)
-{
-#ifdef NP_DEBUG
- printf ("SERVER: Sending ROM image to player %d @%ld\n", c + 1, S9xGetMilliTime () - START);
-#endif
- sprintf (NetPlay.ActionMsg, "Sending ROM image to player %d...", c + 1);
- S9xNPSetAction (NetPlay.ActionMsg, TRUE);
-
- uint8 header [7 + 1 + 4];
- uint8 *ptr = header;
- int len = sizeof (header) + Memory.CalculatedSize +
- strlen (Memory.ROMFilename) + 1;
- *ptr++ = NP_SERV_MAGIC;
- *ptr++ = NPServer.Clients [c].SendSequenceNum++;
- *ptr++ = NP_SERV_ROM_IMAGE;
- WRITE_LONG (ptr, len);
- ptr += 4;
- *ptr++ = Memory.HiROM;
- WRITE_LONG (ptr, Memory.CalculatedSize);
-
- if (!S9xNPSSendData (NPServer.Clients [c].Socket, header, sizeof (header)) ||
- !S9xNPSSendData (NPServer.Clients [c].Socket, Memory.ROM,
- Memory.CalculatedSize) ||
- !S9xNPSSendData (NPServer.Clients [c].Socket, (uint8 *) Memory.ROMFilename,
- strlen (Memory.ROMFilename) + 1))
- {
- S9xNPShutdownClient (c, TRUE);
- return (FALSE);
- }
- return (TRUE);
-}
-
-void S9xNPSyncClients ()
-{
- S9xNPNoClientReady ();
- S9xNPSyncClient (-1);
-}
-
-void S9xNPSyncClient (int client)
-{
-#ifdef HAVE_MKSTEMP
- char fname[] = "/tmp/snes9x_fztmpXXXXXX";
-#else
- char fname [L_tmpnam];
-#endif
-
- S9xNPWaitForEmulationToComplete ();
-
- S9xNPSetAction ("SERVER: Freezing game...", TRUE);
-#ifdef HAVE_MKSTEMP
- if ( (mkstemp(fname) < 0) && S9xFreezeGame(fname) )
-#else
- if ( tmpnam(fname) && S9xFreezeGame(fname) )
-#endif
- {
- uint8 *data;
- uint32 len;
-
- S9xNPSetAction ("SERVER: Loading freeze file...", TRUE);
- if (S9xNPLoadFreezeFile (fname, data, len))
- {
- int c;
-
- if (client < 0)
- {
- for (c = NP_ONE_CLIENT; c < NP_MAX_CLIENTS; c++)
- {
- if (NPServer.Clients [c].SaidHello)
- {
- NPServer.Clients [client].Ready = FALSE;
- S9xNPRecomputePause ();
- S9xNPSendFreezeFile (c, data, len);
- }
- }
- }
- else
- {
- NPServer.Clients [client].Ready = FALSE;
- S9xNPRecomputePause ();
- S9xNPSendFreezeFile (client, data, len);
- }
- delete data;
- }
- remove (fname);
- }
-}
-
-bool8 S9xNPLoadFreezeFile (const char *fname, uint8 *&data, uint32 &len)
-{
- FILE *ff;
-
- if ((ff = fopen (fname, "rb")))
- {
- fseek (ff, 0, SEEK_END);
- len = ftell (ff);
- fseek (ff, 0, SEEK_SET);
-
- data = new uint8 [len];
- bool8 ok = (fread (data, 1, len, ff) == len);
- fclose (ff);
-
- return (ok);
- }
- return (FALSE);
-}
-
-void S9xNPSendFreezeFile (int c, uint8 *data, uint32 len)
-{
-#ifdef NP_DEBUG
- printf ("SERVER: Sending freeze file to player %d @%ld\n", c + 1, S9xGetMilliTime () - START);
-#endif
-
- sprintf (NetPlay.ActionMsg, "SERVER: Sending freeze-file to player %d...", c + 1);
- S9xNPSetAction (NetPlay.ActionMsg, TRUE);
- uint8 header [7 + 4];
- uint8 *ptr = header;
-
- *ptr++ = NP_SERV_MAGIC;
- *ptr++ = NPServer.Clients [c].SendSequenceNum++;
- *ptr++ = NP_SERV_FREEZE_FILE;
- WRITE_LONG (ptr, len + 7 + 4);
- ptr += 4;
- WRITE_LONG (ptr, NPServer.FrameCount);
-
- if (!S9xNPSSendData (NPServer.Clients [c].Socket, header, 7 + 4) ||
- !S9xNPSSendData (NPServer.Clients [c].Socket, data, len))
- {
- S9xNPShutdownClient (c, TRUE);
- }
-}
-
-void S9xNPRecomputePause ()
-{
- int c;
-
- for (c = 0; c < NP_MAX_CLIENTS; c++)
- {
- if (NPServer.Clients [c].SaidHello &&
- (!NPServer.Clients [c].Ready || NPServer.Clients [c].Paused))
- {
-#if defined(NP_DEBUG) && NP_DEBUG == 2
- printf ("SERVER: Paused because of client %d (%d,%d) @%ld\n", c, NPServer.Clients [c].Ready, NPServer.Clients [c].Paused, S9xGetMilliTime () - START);
-#endif
- NPServer.Paused = TRUE;
- return;
- }
- }
-#if defined(NP_DEBUG) && NP_DEBUG == 2
- printf ("SERVER: not paused @%ld\n", S9xGetMilliTime () - START);
-#endif
- NPServer.Paused = FALSE;
-}
-
-void S9xNPNoClientReady (int start_index)
-{
- int c;
-
- for (c = start_index; c < NP_MAX_CLIENTS; c++)
- NPServer.Clients [c].Ready = FALSE;
- S9xNPRecomputePause ();
-}
-
-void S9xNPSendROMLoadRequest (const char *filename)
-{
- S9xNPNoClientReady ();
-
- int len = 7 + strlen (filename) + 1;
- uint8 *data = new uint8 [len];
- uint8 *ptr = data;
- *ptr++ = NP_SERV_MAGIC;
- *ptr++ = 0;
- *ptr++ = NP_SERV_LOAD_ROM;
- WRITE_LONG (ptr, len);
- ptr += 4;
- strcpy ((char *) ptr, filename);
-
- for (int i = NP_ONE_CLIENT; i < NP_MAX_CLIENTS; i++)
- {
- if (NPServer.Clients [i].SaidHello)
- {
-#ifdef NP_DEBUG
- printf ("SERVER: Sending load ROM requesting to player %d @%ld\n", i + 1, S9xGetMilliTime () - START);
-#endif
- sprintf (NetPlay.WarningMsg, "SERVER: sending ROM load request to player %d...", i + 1);
- S9xNPSetAction (NetPlay.WarningMsg, TRUE);
- data [1] = NPServer.Clients [i].SendSequenceNum++;
- if (!S9xNPSSendData (NPServer.Clients [i].Socket, data, len))
- {
- S9xNPShutdownClient (i, TRUE);
- }
- }
- }
- delete data;
-}
-
-void S9xNPSendSRAMToAllClients ()
-{
- int i;
-
- for (i = NP_ONE_CLIENT; i < NP_MAX_CLIENTS; i++)
- {
- if (NPServer.Clients [i].SaidHello)
- S9xNPSendSRAMToClient (i);
- }
-}
-
-void S9xNPSendSRAMToClient (int c)
-{
-#ifdef NP_DEBUG
- printf ("SERVER: Sending S-RAM data to player %d @%ld\n", c + 1, S9xGetMilliTime () - START);
-#endif
- uint8 sram [7];
- int SRAMSize = Memory.SRAMSize ?
- (1 << (Memory.SRAMSize + 3)) * 128 : 0;
- if (SRAMSize > 0x10000)
- SRAMSize = 0x10000;
- int len = 7 + SRAMSize;
-
- sprintf (NetPlay.ActionMsg, "SERVER: Sending S-RAM to player %d...", c + 1);
- S9xNPSetAction (NetPlay.ActionMsg, TRUE);
-
- uint8 *ptr = sram;
- *ptr++ = NP_SERV_MAGIC;
- *ptr++ = NPServer.Clients [c].SendSequenceNum++;
- *ptr++ = NP_SERV_SRAM_DATA;
- WRITE_LONG (ptr, len);
- if (!S9xNPSSendData (NPServer.Clients [c].Socket,
- sram, sizeof (sram)) ||
- (len > 7 &&
- !S9xNPSSendData (NPServer.Clients [c].Socket,
- ::SRAM, len - 7)))
- {
- S9xNPShutdownClient (c, TRUE);
- }
-}
-
-void S9xNPSendFreezeFileToAllClients (const char *filename)
-{
- uint8 *data;
- uint32 len;
-
- if (NPServer.NumClients > NP_ONE_CLIENT && S9xNPLoadFreezeFile (filename, data, len))
- {
- S9xNPNoClientReady ();
-
- for (int c = NP_ONE_CLIENT; c < NP_MAX_CLIENTS; c++)
- {
- if (NPServer.Clients [c].SaidHello)
- S9xNPSendFreezeFile (c, data, len);
- }
- delete data;
- }
-}
-
-void S9xNPServerAddTask (uint32 task, void *data)
-{
- NPServer.TaskQueue [NPServer.TaskTail].Task = task;
- NPServer.TaskQueue [NPServer.TaskTail].Data = data;
-
- NPServer.TaskTail = (NPServer.TaskTail + 1) % NP_MAX_TASKS;
-}
-
-void S9xNPReset ()
-{
- S9xNPNoClientReady (0);
- S9xNPServerAddTask (NP_SERVER_RESET_ALL, 0);
-}
-
-void S9xNPWaitForEmulationToComplete ()
-{
-#ifdef NP_DEBUG
- printf ("SERVER: WaitForEmulationToComplete start @%ld\n", S9xGetMilliTime () - START);
-#endif
-
- while (!NetPlay.PendingWait4Sync && NetPlay.Connected &&
- !Settings.ForcedPause && !Settings.StopEmulation &&
- !Settings.Paused)
- {
-#ifdef __WIN32__
- Sleep (40);
-#endif
- }
-#ifdef NP_DEBUG
- printf ("SERVER: WaitForEmulationToComplete end @%ld\n", S9xGetMilliTime () - START);
-#endif
-}
-
-void S9xNPServerQueueSyncAll ()
-{
- if (Settings.NetPlay && Settings.NetPlayServer &&
- NPServer.NumClients > NP_ONE_CLIENT)
- {
- S9xNPNoClientReady ();
- S9xNPDiscardHeartbeats ();
- S9xNPServerAddTask (NP_SERVER_SYNC_ALL, 0);
- }
-}
-
-void S9xNPServerQueueSendingROMImage ()
-{
- if (Settings.NetPlay && Settings.NetPlayServer &&
- NPServer.NumClients > NP_ONE_CLIENT)
- {
- S9xNPNoClientReady ();
- S9xNPDiscardHeartbeats ();
- S9xNPServerAddTask (NP_SERVER_SEND_ROM_IMAGE, 0);
- }
-}
-
-void S9xNPServerQueueSendingFreezeFile (const char *filename)
-{
- if (Settings.NetPlay && Settings.NetPlayServer &&
- NPServer.NumClients > NP_ONE_CLIENT)
- {
- S9xNPNoClientReady ();
- S9xNPDiscardHeartbeats ();
- S9xNPServerAddTask (NP_SERVER_SEND_FREEZE_FILE_ALL,
- (void *) strdup (filename));
- }
-}
-
-void S9xNPServerQueueSendingLoadROMRequest (const char *filename)
-{
- if (Settings.NetPlay && Settings.NetPlayServer &&
- NPServer.NumClients > NP_ONE_CLIENT)
- {
- S9xNPNoClientReady ();
- S9xNPDiscardHeartbeats ();
- S9xNPServerAddTask (NP_SERVER_SEND_ROM_LOAD_REQUEST_ALL,
- (void *) strdup (filename));
- }
-}
-
-#ifndef __WIN32__
-uint32 S9xGetMilliTime ()
-{
- static bool8 first = TRUE;
- static long start_sec;
- struct timeval tv;
-
- gettimeofday (&tv, NULL);
- if (first)
- {
- start_sec = tv.tv_sec;
- first = FALSE;
- }
- return ((uint32) ((tv.tv_sec - start_sec) * 1000 + tv.tv_usec / 1000));
-}
-#endif
-#endif
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 09:11:12 +0000