const char *GetMODVersion(void)
{
static msg_t msg;
// we must be connected to the master server before writing to it
if (MS_Connect(GetMasterServerIP(), GetMasterServerPort(), 0))
{
CONS_Printf("cannot connect to the master server\n");
M_StartMessage("There was a problem connecting to\nthe Master Server", NULL, MM_NOTHING);
return NULL;
}
msg.type = GET_VERSION_MSG;
msg.length = sizeof MODVERSION;
msg.room = MODID; // Might as well use it for something.
sprintf(msg.buffer,"%d",MODVERSION);
if (MS_Write(&msg) < 0)
return NULL;
MS_Read(&msg);
CloseConnection();
if(strcmp(msg.buffer,"NULL") != 0)
{
return msg.buffer;
}
else
return NULL;
}
void MSOpenUDPSocket(void)
{
#ifndef NONET
if (I_NetMakeNode)
{
// If it's already open, there's nothing to do.
if (msnode < 0)
{
char hostname[24];
MS_GetIP(GetMasterServerIP());
sprintf(hostname, "%s:%d",
#ifdef _arch_dreamcast
inet_ntoa(*(UINT32 *)&addr.sin_addr),
#else
inet_ntoa(addr.sin_addr),
#endif
atoi(GetMasterServerPort())+1);
msnode = I_NetMakeNode(hostname);
}
}
else
#endif
msnode = -1;
}
void RegisterServer(void)
{
if (con_state == MSCS_REGISTERED || con_state == MSCS_WAITING)
return;
CONS_Printf("Registering this server to the master server...\n");
strcpy(registered_server.ip, GetMasterServerIP());
strcpy(registered_server.port, GetMasterServerPort());
if (MS_Connect(registered_server.ip, registered_server.port, 1))
{
CONS_Printf("cannot connect to the master server\n");
return;
}
MSOpenUDPSocket();
// keep the TCP connection open until AddToMasterServer() is completed;
}
const msg_server_t *GetShortServersList(INT32 room)
{
static msg_server_t server_list[NUM_LIST_SERVER+1]; // +1 for easy test
msg_t msg;
INT32 i;
// updated now
oldroomnum = room;
// we must be connected to the master server before writing to it
if (MS_Connect(GetMasterServerIP(), GetMasterServerPort(), 0))
{
CONS_Printf("cannot connect to the master server\n");
M_StartMessage("There was a problem connecting to\nthe Master Server", NULL, MM_NOTHING);
return NULL;
}
msg.type = GET_SHORT_SERVER_MSG;
msg.length = 0;
msg.room = room;
if (MS_Write(&msg) < 0)
return NULL;
for (i = 0; i < NUM_LIST_SERVER && MS_Read(&msg) >= 0; i++)
{
if (!msg.length)
{
server_list[i].header.buffer[0] = 0;
CloseConnection();
return server_list;
}
M_Memcpy(&server_list[i], msg.buffer, sizeof (msg_server_t));
server_list[i].header.buffer[0] = 1;
}
CloseConnection();
if (i == NUM_LIST_SERVER)
{
server_list[i].header.buffer[0] = 0;
return server_list;
}
else
return NULL;
}
/** Gets a list of game servers. Called from console.
*/
static void Command_Listserv_f(void)
{
if (con_state == MSCS_WAITING)
{
CONS_Printf("Not yet registered to the master server.\n");
return;
}
CONS_Printf("Retrieving server list...\n");
if (MS_Connect(GetMasterServerIP(), GetMasterServerPort(), 0))
{
CONS_Printf("cannot connect to the master server\n");
return;
}
if (GetServersList())
CONS_Printf("cannot get server list\n");
CloseConnection();
}
void MSOpenUDPSocket(void)
{
#ifndef NONET
if (I_NetMakeNode)
{
// If it's already open, there's nothing to do.
if (msnode < 0)
{
const char *mshost = GetMasterServerIP();
const char *msport = GetMasterServerPort();
size_t len = strlen(mshost)+1+strlen(msport)+1; /*hostname:65536*/
char *hostname = malloc(len);
sprintf(hostname, "%s:%s", mshost, msport);
msnode = I_NetMakeNode(hostname);
free(hostname);
}
}
else
#endif
msnode = -1;
}
/** Tries to register the local game server on the master server.
*/
static INT32 AddToMasterServer(boolean firstadd)
{
#ifdef NONET
(void)firstadd;
#else
static INT32 retry = 0;
int i, res;
socklen_t j;
msg_t msg;
msg_server_t *info = (msg_server_t *)msg.buffer;
INT32 room = -1;
fd_set tset;
time_t timestamp = time(NULL);
UINT32 signature, tmp;
const char *insname;
M_Memcpy(&tset, &wset, sizeof (tset));
res = select(255, NULL, &tset, NULL, &select_timeout);
if (res != ERRSOCKET && !res)
{
if (retry++ > 30) // an about 30 second timeout
{
retry = 0;
CONS_Printf("Timeout on masterserver\n");
MSLastPing = timestamp;
return ConnectionFailed();
}
return MS_CONNECT_ERROR;
}
retry = 0;
if (res == ERRSOCKET)
{
if (MS_Connect(GetMasterServerIP(), GetMasterServerPort(), 0))
{
CONS_Printf("Mastserver error on select #%u: %s\n", errno, strerror(errno));
MSLastPing = timestamp;
return ConnectionFailed();
}
}
// so, the socket is writable, but what does that mean, that the connection is
// ok, or bad... let see that!
j = (socklen_t)sizeof (i);
getsockopt(socket_fd, SOL_SOCKET, SO_ERROR, (char *)&i, &j);
if (i) // it was bad
{
CONS_Printf("Masterserver getsockopt error #%u: %s\n", errno, strerror(errno));
MSLastPing = timestamp;
return ConnectionFailed();
}
if (dedicated && (M_CheckParm("-room") && M_IsNextParm()))
{
room = atoi(M_GetNextParm());
if(room == 0)
room = -1;
}
else if(dedicated)
room = -1;
else
room = cv_chooseroom.value;
for(signature = 0, insname = cv_servername.string; *insname; signature += *insname++);
tmp = (UINT32)(signature * (size_t)&MSLastPing);
signature *= tmp;
signature &= 0xAAAAAAAA;
M_Memcpy(&info->header.signature, &signature, sizeof (UINT32));
strcpy(info->ip, "");
strcpy(info->port, int2str(current_port));
strcpy(info->name, cv_servername.string);
M_Memcpy(&info->room, & room, sizeof (INT32));
sprintf(info->version, "%d.%d.%d", VERSION/100, VERSION%100, SUBVERSION);
strcpy(registered_server.name, cv_servername.string);
if(firstadd)
msg.type = ADD_SERVER_MSG;
else
msg.type = PING_SERVER_MSG;
msg.length = (UINT32)sizeof (msg_server_t);
msg.room = 0;
if (MS_Write(&msg) < 0)
{
MSLastPing = timestamp;
return ConnectionFailed();
}
if(con_state != MSCS_REGISTERED)
CONS_Printf("Master Server Updated Successfully!\n");
MSLastPing = timestamp;
con_state = MSCS_REGISTERED;
CloseConnection();
#endif
return MS_NO_ERROR;
}
INT32 GetRoomsList(boolean hosting)
{
static msg_ban_t banned_info[1];
msg_t msg;
INT32 i;
// we must be connected to the master server before writing to it
if (MS_Connect(GetMasterServerIP(), GetMasterServerPort(), 0))
{
CONS_Printf("cannot connect to the master server\n");
M_StartMessage("There was a problem connecting to\nthe Master Server", NULL, MM_NOTHING);
return -1;
}
if (hosting)
msg.type = GET_ROOMS_HOST_MSG;
else
msg.type = GET_ROOMS_MSG;
msg.length = 0;
msg.room = 0;
if (MS_Write(&msg) < 0)
{
room_list[0].id = 1;
strcpy(room_list[0].motd,"Master Server Offline.");
strcpy(room_list[0].name,"Offline");
return -1;
}
for (i = 0; i < NUM_LIST_ROOMS && MS_Read(&msg) >= 0; i++)
{
if(msg.type == GET_BANNED_MSG)
{
char banmsg[1000];
M_Memcpy(&banned_info[0], msg.buffer, sizeof (msg_ban_t));
if (hosting)
sprintf(banmsg, "You have been banned from\nhosting netgames.\n\nUnder the following IP Range:\n%s - %s\n\nFor the following reason:\n%s\n\nYour ban will expire on:\n%s",banned_info[0].ipstart,banned_info[0].ipend,banned_info[0].reason,banned_info[0].endstamp);
else
sprintf(banmsg, "You have been banned from\njoining netgames.\n\nUnder the following IP Range:\n%s - %s\n\nFor the following reason:\n%s\n\nYour ban will expire on:\n%s",banned_info[0].ipstart,banned_info[0].ipend,banned_info[0].reason,banned_info[0].endstamp);
M_StartMessage(banmsg, NULL, MM_NOTHING);
cv_internetserver.value = false;
return -2;
}
if (!msg.length)
{
room_list[i].header.buffer[0] = 0;
CloseConnection();
return 1;
}
M_Memcpy(&room_list[i], msg.buffer, sizeof (msg_rooms_t));
room_list[i].header.buffer[0] = 1;
}
CloseConnection();
if (i == NUM_LIST_ROOMS)
{
room_list[i].header.buffer[0] = 0;
return 1;
}
else
{
room_list[0].id = 1;
strcpy(room_list[0].motd,"Master Server Offline.");
strcpy(room_list[0].name,"Offline");
return -1;
}
}
