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);
}
static bool8 NPClientGetPlayerListFromServer (void)
{
if (!npclient.online)
return (false);
NPNotification("Client: Receiving player list from server...", -1);
if (NPClientGetMesFromServer() != kNPServerPlayerWillSend)
{
NPError("Client: Failed to receive messsage from server.", 5701);
return (false);
}
if (NPClientSendMesToServer(kNPClientPlayerWaiting) == false)
{
NPError("Client: Failed to send messsage to server.", 5702);
return (false);
}
for (int i = 0; i < NP_MAX_PLAYERS; i++)
{
uint8 mes[10];
uint32 l;
if (socket_read(npclient.socket, mes, 10) != 10)
{
NPError("Client: Failed to receive messsage from server.", 5703);
return (false);
}
npcinfo[i].ready = READ_BYTE(mes + 1);
npcinfo[i].player = READ_LONG(mes + 2);
l = READ_LONG(mes + 6);
if (l && (socket_read(npclient.socket, (uint8 *) npcinfo[i].name, l) != (int) l))
{
NPError("Client: Failed to receive messsage from server.", 5704);
return (false);
}
npcinfo[i].name[l] = 0;
}
npclient.numplayers = 0;
for (int i = 0; i < NP_MAX_PLAYERS; i++)
if (npcinfo[i].ready)
npclient.numplayers++;
NPNotification("Client: Received player list from server.", -1);
NPNotification("Client: Number of players: %d", npclient.numplayers);
return (true);
}
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 NPClientConnectToServer (int port)
{
#ifndef SELF_TEST
struct sockaddr_in address;
#else
struct sockaddr_un address;
#endif
NPNotification("Client: Connecting to server...", -1);
memset(&address, 0, sizeof(address));
#ifndef SELF_TEST
address.sin_family = AF_INET;
address.sin_addr.s_addr = inet_addr(npclient.serverIP);
address.sin_port = htons(port);
#else
address.sun_family = AF_UNIX;
strcpy(address.sun_path, SOCK_NAME);
#endif
#ifndef SELF_TEST
if (address.sin_addr.s_addr == INADDR_NONE)
{
NPError("Client: Server IP is invalid.", 5001);
return (false);
}
#endif
#ifndef SELF_TEST
if ((npclient.socket = socket(PF_INET, SOCK_STREAM, 0)) < 0)
#else
if ((npclient.socket = socket(PF_UNIX, SOCK_STREAM, 0)) < 0)
#endif
{
NPError("Client: Failed to create socket.", 5002);
return (false);
}
if (connect(npclient.socket, (struct sockaddr *) &address, sizeof(address)) < 0)
{
NPError("Client: Failed to connect to server.", 5003);
return (false);
}
npclient.online = true;
NPNotification("Client: Connected to server.", -1);
return (true);
}
static bool8 NPClientGetROMInfoFromServer(void)
{
if (!npclient.online)
return (false);
NPNotification("Client: Receiving ROM information from server...", -1);
if (NPClientGetMesFromServer() != kNPServerROMInfoWillSend)
{
NPError("Client: Failed to receive messsage from server.", 5201);
return (false);
}
if (NPClientSendMesToServer(kNPClientROMInfoWaiting) == false)
{
NPError("Client: Failed to send messsage to server.", 5202);
return (false);
}
uint8 mes[16];
uint32 l;
if (socket_read(npclient.socket, mes, 16) != 16)
{
NPError("Client: Failed to receive ROM information from server.", 5203);
return (false);
}
nprominfo.crc32 = READ_LONG(mes + 0);
nprominfo.input = READ_LONG(mes + 4);
//reserved1 = READ_BYTE(mes + 8);
//reserved2 = READ_BYTE(mes + 9);
//reserved3 = READ_BYTE(mes + 10);
//reserved4 = READ_BYTE(mes + 11);
l = READ_LONG(mes + 12);
if (socket_read(npclient.socket, (uint8 *) nprominfo.fname, l) != (int) l)
{
NPError("Client: Failed to receive ROM name from server.", 5204);
return (false);
}
nprominfo.fname[l] = 0;
nprominfo.length = l;
NPNotification("Client: Received ROM information from server.", -1);
return (true);
}
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 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 bool8 NPClientSendNameToServer (void)
{
if (!npclient.online)
return (false);
NPNotification("Client: Sending player name to server...", -1);
if (NPClientGetMesFromServer() != kNPServerNameRequest)
{
NPError("Client: Failed to receive messsage from server.", 5101);
return (false);
}
uint8 mes[4];
uint32 l;
l = strlen(npclient.name);
WRITE_LONG(mes + 0, l);
if (socket_write(npclient.socket, mes, 4) != 4)
{
NPError("Client: Failed to send name size to server.", 5102);
return (false);
}
if (socket_write(npclient.socket, (uint8 *) npclient.name, l) != (int) l)
{
NPError("Client: Failed to send name to server.", 5103);
return (false);
}
if (NPClientGetMesFromServer() != kNPServerNameReceived)
{
NPError("Client: Failed to receive messsage from server.", 5104);
return (false);
}
if (NPClientSendMesToServer(kNPClientNameSent) == false)
{
NPError("Client: Failed to send messsage to server.", 5105);
return (false);
}
NPNotification("Client: Sent player name to server.", -1);
return (true);
}
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 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
}
bool8 NPClientNetPlayWaitStart (void)
{
NPNotification("Client: Waiting start flag...", -1);
if (NPClientSendMesToServer(kNPClientStartWait) == false)
{
NPError("Client: Failed to send messsage to server.", 5801);
return (false);
}
if (NPClientGetMesFromServer() != kNPServerStart)
{
NPError("Client: Failed to send messsage to server.", 5802);
return (false);
}
npclient.phasecount = 0;
npclient.header = 0;
sem_post(csempad);
NPNotification("Client: Netplay started.", -1);
return (true);
}
static bool8 NPClientROMReadyToServer (void)
{
if (!npclient.online)
return (false);
NPNotification("Client: Sending ROM ready sign to server...", -1);
if (NPClientSendMesToServer(kNPClientROMOpened) == false)
{
NPError("Client: Failed to send messsage to server.", 5401);
return (false);
}
NPNotification("Client: Sent ROM ready sign to server.", -1);
return (true);
}
static bool8 NPClientGetSRAMFromServer (void)
{
if (!npclient.online)
return (false);
NPNotification("Client: Receiving SRAM from server...", -1);
if (NPClientGetMesFromServer() != kNPServerSRAMWillSend)
{
NPError("Client: Failed to receive messsage from server.", 5501);
return (false);
}
if (NPClientSendMesToServer(kNPClientSRAMWaiting) == false)
{
NPError("Client: Failed to send messsage to server.", 5502);
return (false);
}
uint8 mes[4];
uint32 sramsize;
if (socket_read(npclient.socket, mes, 4) != 4)
{
NPError("Client: Failed to receive SRAM size from server.", 5503);
return (false);
}
sramsize = READ_LONG(mes + 0);
if (sramsize != (uint32) (Memory.SRAMSize ? (1 << (Memory.SRAMSize + 3)) * 128 : 0))
{
NPError("Client: SRAM size mismatch.", 5504);
return (false);
}
if (sramsize && (socket_read(npclient.socket, Memory.SRAM, sramsize) != (int) sramsize))
{
NPError("Server: Failed to receive SRAM from server.", 5505);
return (false);
}
if (NPClientSendMesToServer(kNPClientSRAMLoaded) == false)
{
NPError("Client: Failed to send messsage to server.", 5506);
return (false);
}
NPNotification("Client: Received SRAM from server.", -1);
return (true);
}
