X-Git-Url: https://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=netconn.c;h=c914d0c2a179635a3340d44b0d9ea69fed313719;hp=713b46780be9409afb4285ee19f67edfbca3528b;hb=61fd28b0877971a7600848ec0b15791e5765b76d;hpb=26732adaa8ff2bdf233717a8f0c6ea64023c3da8 diff --git a/netconn.c b/netconn.c index 713b4678..c914d0c2 100755 --- a/netconn.c +++ b/netconn.c @@ -25,7 +25,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #define MASTER_PORT 27950 -cvar_t sv_public = {0, "sv_public", "1"}; +// note this defaults on for dedicated servers, off for listen servers +cvar_t sv_public = {0, "sv_public", "0"}; static cvar_t sv_heartbeatperiod = {CVAR_SAVE, "sv_heartbeatperiod", "120"}; // FIXME: resolve DNS on masters whenever their value changes and cache it (to avoid major delays in active servers when they heartbeat) @@ -54,7 +55,10 @@ cvar_t developer_networking = {0, "developer_networking", "0"}; cvar_t cl_netlocalping = {0, "cl_netlocalping","0"}; static cvar_t cl_netpacketloss = {0, "cl_netpacketloss","0"}; - +static cvar_t net_slist_queriespersecond = {0, "net_slist_queriespersecond", "20"}; +static cvar_t net_slist_queriesperframe = {0, "net_slist_queriesperframe", "4"}; +static cvar_t net_slist_timeout = {0, "net_slist_timeout", "4"}; +static cvar_t net_slist_maxtries = {0, "net_slist_maxtries", "3"}; /* statistic counters */ static int packetsSent = 0; @@ -74,6 +78,9 @@ int masterreplycount = 0; int serverquerycount = 0; int serverreplycount = 0; +// this is only false if there are still servers left to query +int serverlist_querysleep = true; + static qbyte sendbuffer[NET_HEADERSIZE+NET_MAXMESSAGE]; static qbyte readbuffer[NET_HEADERSIZE+NET_MAXMESSAGE]; @@ -110,14 +117,16 @@ qboolean serverlist_consoleoutput; static void _ServerList_ViewList_Helper_InsertBefore( int index, serverlist_entry_t *entry ) { int i; - if( serverlist_viewcount == SERVERLIST_VIEWLISTSIZE ) - return; + if( serverlist_viewcount < SERVERLIST_VIEWLISTSIZE ) { + i = serverlist_viewcount++; + } else { + i = SERVERLIST_VIEWLISTSIZE - 1; + } - for( i = serverlist_viewcount ; i > index ; i-- ) + for( ; i > index ; i-- ) serverlist_viewlist[ i ] = serverlist_viewlist[ i - 1 ]; serverlist_viewlist[index] = entry; - serverlist_viewcount++; } // we suppose serverlist_viewcount to be valid, ie > 0 @@ -197,25 +206,34 @@ static qboolean _ServerList_CompareInt( int A, serverlist_maskop_t op, int B ) static qboolean _ServerList_CompareStr( const char *A, serverlist_maskop_t op, const char *B ) { + int i; + char bufferA[ 256 ], bufferB[ 256 ]; // should be more than enough + for (i = 0;i < sizeof(bufferA)-1 && A[i];i++) + bufferA[i] = (A[i] >= 'A' && A[i] <= 'Z') ? (A[i] + 'a' - 'A') : A[i]; + bufferA[i] = 0; + for (i = 0;i < sizeof(bufferB)-1 && B[i];i++) + bufferB[i] = (B[i] >= 'A' && B[i] <= 'Z') ? (B[i] + 'a' - 'A') : B[i]; + bufferB[i] = 0; + // Same here, also using an intermediate & final return would be more appropriate // A info B mask switch( op ) { case SLMO_CONTAINS: - return *B && !!strstr( A, B ); // we want a real bool + return *bufferB && !!strstr( bufferA, bufferB ); // we want a real bool case SLMO_NOTCONTAIN: - return !*B || !strstr( A, B ); + return !*bufferB || !strstr( bufferA, bufferB ); case SLMO_LESS: - return strcmp( A, B ) < 0; + return strcmp( bufferA, bufferB ) < 0; case SLMO_LESSEQUAL: - return strcmp( A, B ) <= 0; + return strcmp( bufferA, bufferB ) <= 0; case SLMO_EQUAL: - return strcmp( A, B ) == 0; + return strcmp( bufferA, bufferB ) == 0; case SLMO_GREATER: - return strcmp( A, B ) > 0; + return strcmp( bufferA, bufferB ) > 0; case SLMO_NOTEQUAL: - return strcmp( A, B ) != 0; + return strcmp( bufferA, bufferB ) != 0; case SLMO_GREATEREQUAL: - return strcmp( A, B ) >= 0; + return strcmp( bufferA, bufferB ) >= 0; default: Con_DPrint( "_ServerList_CompareStr: Bad op!\n" ); return false; @@ -254,9 +272,7 @@ static void ServerList_ViewList_Insert( serverlist_entry_t *entry ) { int start, end, mid; - if( serverlist_viewcount == SERVERLIST_VIEWLISTSIZE ) - return; - + // FIXME: change this to be more readable (...) // now check whether it passes through the masks for( start = 0 ; serverlist_andmasks[start].active && start < SERVERLIST_ANDMASKCOUNT ; start++ ) if( !_ServerList_Entry_Mask( &serverlist_andmasks[start], &entry->info ) ) @@ -319,7 +335,7 @@ void ServerList_RebuildViewList(void) serverlist_viewcount = 0; for( i = 0 ; i < serverlist_cachecount ; i++ ) - if( serverlist_cache[i].finished ) + if( serverlist_cache[i].query == SQS_QUERIED ) ServerList_ViewList_Insert( &serverlist_cache[i] ); } @@ -335,7 +351,7 @@ static void _ServerList_Test(void) int i; for( i = 0 ; i < 1024 ; i++ ) { memset( &serverlist_cache[serverlist_cachecount], 0, sizeof( serverlist_entry_t ) ); - serverlist_cache[serverlist_cachecount].info.ping = rand() % 450 + 250; + serverlist_cache[serverlist_cachecount].info.ping = 1000 + 1024 - i; dpsnprintf( serverlist_cache[serverlist_cachecount].info.name, 128, "Black's ServerList Test %i", i ); serverlist_cache[serverlist_cachecount].finished = true; sprintf( serverlist_cache[serverlist_cachecount].line1, "%i %s", serverlist_cache[serverlist_cachecount].info.ping, serverlist_cache[serverlist_cachecount].info.name ); @@ -355,9 +371,10 @@ void ServerList_QueryList(void) serverlist_cachecount = 0; serverlist_viewcount = 0; serverlist_consoleoutput = false; - NetConn_QueryMasters(); //_ServerList_Test(); + + NetConn_QueryMasters(); } // rest @@ -423,13 +440,22 @@ int NetConn_SendReliableMessage(netconn_t *conn, sizebuf_t *data) //#ifdef DEBUG if (data->cursize == 0) - Sys_Error("Datagram_SendMessage: zero length message\n"); + { + Con_Printf ("Datagram_SendMessage: zero length message\n"); + return -1; + } if (data->cursize > (int)sizeof(conn->sendMessage)) - Sys_Error("Datagram_SendMessage: message too big (%u > %u)\n", data->cursize, sizeof(conn->sendMessage)); + { + Con_Printf ("Datagram_SendMessage: message too big (%u > %u)\n", data->cursize, sizeof(conn->sendMessage)); + return -1; + } if (conn->canSend == false) - Sys_Error("SendMessage: called with canSend == false\n"); + { + Con_Printf ("SendMessage: called with canSend == false\n"); + return -1; + } //#endif memcpy(conn->sendMessage, data->data, data->cursize); @@ -554,10 +580,16 @@ int NetConn_SendUnreliableMessage(netconn_t *conn, sizebuf_t *data) //#ifdef DEBUG if (data->cursize == 0) - Sys_Error("Datagram_SendUnreliableMessage: zero length message\n"); + { + Con_Printf ("Datagram_SendUnreliableMessage: zero length message\n"); + return -1; + } if (packetLen > (int)sizeof(sendbuffer)) - Sys_Error("Datagram_SendUnreliableMessage: message too big %u\n", data->cursize); + { + Con_Printf ("Datagram_SendUnreliableMessage: message too big %u\n", data->cursize); + return -1; + } //#endif header = (void *)sendbuffer; @@ -629,23 +661,33 @@ void NetConn_OpenServerPort(const char *addressstring, int defaultport) { lhnetaddress_t address; lhnetsocket_t *s; + int port; char addressstring2[1024]; - if (LHNETADDRESS_FromString(&address, addressstring, defaultport)) + + for (port = defaultport; port <= defaultport + 100; port++) { - if ((s = LHNET_OpenSocket_Connectionless(&address))) + if (LHNETADDRESS_FromString(&address, addressstring, port)) { - sv_sockets[sv_numsockets++] = s; - LHNETADDRESS_ToString(LHNET_AddressFromSocket(s), addressstring2, sizeof(addressstring2), true); - Con_Printf("Server listening on address %s\n", addressstring2); + if ((s = LHNET_OpenSocket_Connectionless(&address))) + { + sv_sockets[sv_numsockets++] = s; + LHNETADDRESS_ToString(LHNET_AddressFromSocket(s), addressstring2, sizeof(addressstring2), true); + Con_Printf("Server listening on address %s\n", addressstring2); + break; + } + else + { + LHNETADDRESS_ToString(&address, addressstring2, sizeof(addressstring2), true); + Con_Printf("Server failed to open socket on address %s\n", addressstring2); + } } - else + else { - LHNETADDRESS_ToString(&address, addressstring2, sizeof(addressstring2), true); - Con_Printf("Server failed to open socket on address %s\n", addressstring2); + Con_Printf("Server unable to parse address %s\n", addressstring); + // if it cant parse one address, it wont be able to parse another for sure + break; } } - else - Con_Printf("Server unable to parse address %s\n", addressstring); } void NetConn_OpenServerPorts(int opennetports) @@ -763,14 +805,15 @@ int NetConn_ReceivedMessage(netconn_t *conn, qbyte *data, int length) unsigned int count; unsigned int flags; unsigned int sequence; + int qlength; if (length >= 8) { - length = BigLong(((int *)data)[0]); - flags = length & ~NETFLAG_LENGTH_MASK; - length &= NETFLAG_LENGTH_MASK; + qlength = (unsigned int)BigLong(((int *)data)[0]); + flags = qlength & ~NETFLAG_LENGTH_MASK; + qlength &= NETFLAG_LENGTH_MASK; // control packets were already handled - if (!(flags & NETFLAG_CTL)) + if (!(flags & NETFLAG_CTL) && qlength == length) { sequence = BigLong(((int *)data)[1]); packetsReceived++; @@ -852,7 +895,7 @@ int NetConn_ReceivedMessage(netconn_t *conn, qbyte *data, int length) "Dropping the message!\n", sequence ); conn->receiveMessageLength = 0; return 1; - } + } if (flags & NETFLAG_EOM) { reliableMessagesReceived++; @@ -882,6 +925,10 @@ void NetConn_ConnectionEstablished(lhnetsocket_t *mysocket, lhnetaddress_t *peer M_Update_Return_Reason(""); // the connection request succeeded, stop current connection and set up a new connection CL_Disconnect(); + // if we're connecting to a remote server, shut down any local server + if (LHNETADDRESS_GetAddressType(peeraddress) != LHNETADDRESSTYPE_LOOP && sv.active) + Host_ShutdownServer (false); + // allocate a net connection to keep track of things cls.netcon = NetConn_Open(mysocket, peeraddress); Con_Printf("Connection accepted to %s\n", cls.netcon->address); key_dest = key_game; @@ -901,7 +948,6 @@ int NetConn_IsLocalGame(void) int NetConn_ClientParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length, lhnetaddress_t *peeraddress) { int ret, c, control; - lhnetaddress_t svaddress; const char *s; char *string, addressstring2[128], cname[128], ipstring[32]; char stringbuf[16384]; @@ -926,10 +972,12 @@ int NetConn_ClientParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length, if (length > 10 && !memcmp(string, "challenge ", 10) && cls.connect_trying) { + char protocolnames[1400]; + Protocol_Names(protocolnames, sizeof(protocolnames)); LHNETADDRESS_ToString(peeraddress, addressstring2, sizeof(addressstring2), true); Con_Printf("\"%s\" received, sending connect request back to %s\n", string, addressstring2); M_Update_Return_Reason("Got challenge response"); - NetConn_WriteString(mysocket, va("\377\377\377\377connect\\protocol\\darkplaces 3\\challenge\\%s", string + 10), peeraddress); + NetConn_WriteString(mysocket, va("\377\377\377\377connect\\protocol\\darkplaces 3\\protocols\\%s\\challenge\\%s", protocolnames, string + 10), peeraddress); return true; } if (length == 6 && !memcmp(string, "accept", 6) && cls.connect_trying) @@ -962,8 +1010,26 @@ int NetConn_ClientParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length, for( n = 0; n < serverlist_cachecount; n++ ) if( !strcmp( cname, serverlist_cache[n].info.cname ) ) break; - if( n == serverlist_cachecount ) - return true; + if( n == serverlist_cachecount ) { + // LAN search doesnt require an answer from the master server so we wont + // know the ping nor will it be initialized already... + + // find a slot + if( serverlist_cachecount == SERVERLIST_TOTALSIZE ) + return true; + + memset(&serverlist_cache[serverlist_cachecount], 0, sizeof(serverlist_cache[serverlist_cachecount])); + // store the data the engine cares about (address and ping) + strlcpy (serverlist_cache[serverlist_cachecount].info.cname, cname, sizeof (serverlist_cache[serverlist_cachecount].info.cname)); + serverlist_cache[serverlist_cachecount].info.ping = 100000; + serverlist_cache[serverlist_cachecount].querytime = realtime; + // if not in the slist menu we should print the server to console + if (serverlist_consoleoutput) { + Con_Printf("querying %s\n", ipstring); + } + + ++serverlist_cachecount; + } info = &serverlist_cache[n].info; if ((s = SearchInfostring(string, "gamename" )) != NULL) strlcpy(info->game, s, sizeof (info->game));else info->game[0] = 0; @@ -1002,14 +1068,15 @@ int NetConn_ClientParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length, if (serverlist_cache[n].line1[i] != ' ') serverlist_cache[n].line1[i] -= 30; } - // and finally, update the view set - if( serverlist_cache[n].finished ) - ServerList_ViewList_Remove( &serverlist_cache[n] ); - // else if not in the slist menu we should print the server to console (if wanted) + if( serverlist_cache[n].query == SQS_QUERIED ) { + ServerList_ViewList_Remove( &serverlist_cache[n] ); + } + // if not in the slist menu we should print the server to console (if wanted) else if( serverlist_consoleoutput ) Con_Printf("%s\n%s\n", serverlist_cache[n].line1, serverlist_cache[n].line2); + // and finally, update the view set ServerList_ViewList_Insert( &serverlist_cache[n] ); - serverlist_cache[n].finished = true; + serverlist_cache[n].query = SQS_QUERIED; return true; } @@ -1039,17 +1106,11 @@ int NetConn_ClientParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length, { serverquerycount++; - LHNETADDRESS_FromString(&svaddress, ipstring, 0); - NetConn_WriteString(mysocket, "\377\377\377\377getinfo", &svaddress); - memset(&serverlist_cache[serverlist_cachecount], 0, sizeof(serverlist_cache[serverlist_cachecount])); // store the data the engine cares about (address and ping) strlcpy (serverlist_cache[serverlist_cachecount].info.cname, ipstring, sizeof (serverlist_cache[serverlist_cachecount].info.cname)); serverlist_cache[serverlist_cachecount].info.ping = 100000; - serverlist_cache[serverlist_cachecount].querytime = realtime; - // if not in the slist menu we should print the server to console - if (serverlist_consoleoutput) - Con_Printf("querying %s\n", ipstring); + serverlist_cache[serverlist_cachecount].query = SQS_QUERYING; ++serverlist_cachecount; } @@ -1058,6 +1119,8 @@ int NetConn_ClientParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length, data += 7; length -= 7; } + // begin or resume serverlist queries + serverlist_querysleep = false; return true; } /* @@ -1167,6 +1230,71 @@ int NetConn_ClientParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length, return ret; } +void NetConn_QueryQueueFrame(void) +{ + int index; + int queries; + int maxqueries; + double timeouttime; + static double querycounter = 0; + + if (serverlist_querysleep) + return; + + // each time querycounter reaches 1.0 issue a query + querycounter += host_realframetime * net_slist_queriespersecond.value; + maxqueries = (int)querycounter; + maxqueries = bound(0, maxqueries, net_slist_queriesperframe.integer); + querycounter -= maxqueries; + + if( maxqueries == 0 ) { + return; + } + + // scan serverlist and issue queries as needed + serverlist_querysleep = true; + + timeouttime = realtime - net_slist_timeout.value; + for( index = 0, queries = 0 ; index < serverlist_cachecount && queries < maxqueries ; index++ ) + { + serverlist_entry_t *entry = &serverlist_cache[ index ]; + if( entry->query != SQS_QUERYING ) + { + continue; + } + + serverlist_querysleep = false; + if( entry->querycounter != 0 && entry->querytime > timeouttime ) + { + continue; + } + + if( entry->querycounter != (unsigned) net_slist_maxtries.integer ) + { + lhnetaddress_t address; + int socket; + + LHNETADDRESS_FromString(&address, entry->info.cname, 0); + for (socket = 0; socket < cl_numsockets ; socket++) { + NetConn_WriteString(cl_sockets[socket], "\377\377\377\377getinfo", &address); + } + + entry->querytime = realtime; + entry->querycounter++; + + // if not in the slist menu we should print the server to console + if (serverlist_consoleoutput) + Con_Printf("querying %25s (%i. try)\n", entry->info.cname, entry->querycounter); + + queries++; + } + else + { + entry->query = SQS_TIMEDOUT; + } + } +} + void NetConn_ClientFrame(void) { int i, length; @@ -1198,9 +1326,12 @@ void NetConn_ClientFrame(void) NetConn_Write(cls.connect_mysocket, net_message.data, net_message.cursize, &cls.connect_address); SZ_Clear(&net_message); } - for (i = 0;i < cl_numsockets;i++) - while (cl_sockets[i] && (length = NetConn_Read(cl_sockets[i], readbuffer, sizeof(readbuffer), &peeraddress)) > 0) + for (i = 0;i < cl_numsockets;i++) { + while (cl_sockets[i] && (length = NetConn_Read(cl_sockets[i], readbuffer, sizeof(readbuffer), &peeraddress)) > 0) { NetConn_ClientParsePacket(cl_sockets[i], readbuffer, length, &peeraddress); + } + } + NetConn_QueryQueueFrame(); if (cls.netcon && realtime > cls.netcon->timeout) { Con_Print("Connection timed out\n"); @@ -1235,10 +1366,83 @@ static void NetConn_BuildChallengeString(char *buffer, int bufferlength) buffer[i] = 0; } +static qboolean NetConn_BuildStatusResponse(const char* challenge, char* out_msg, size_t out_size, qboolean fullstatus) +{ + unsigned int nb_clients = 0, i; + int length; + + // How many clients are there? + for (i = 0;i < (unsigned int)svs.maxclients;i++) + if (svs.clients[i].active) + nb_clients++; + + // TODO: we should add more information for the full status string + length = dpsnprintf(out_msg, out_size, + "\377\377\377\377%s\x0A" + "\\gamename\\%s\\modname\\%s\\sv_maxclients\\%d" + "\\clients\\%d\\mapname\\%s\\hostname\\%s""\\protocol\\%d" + "%s%s" + "%s", + fullstatus ? "statusResponse" : "infoResponse", + gamename, com_modname, svs.maxclients, + nb_clients, sv.name, hostname.string, NET_PROTOCOL_VERSION, + challenge ? "\\challenge\\" : "", challenge ? challenge : "", + fullstatus ? "\n" : ""); + + // Make sure it fits in the buffer + if (length < 0) + return false; + + if (fullstatus) + { + char *ptr; + int left; + + ptr = out_msg + length; + left = out_size - length; + + for (i = 0;i < (unsigned int)svs.maxclients;i++) + { + client_t *cl = &svs.clients[i]; + if (cl->active) + { + int nameind, cleanind; + char curchar; + char cleanname [sizeof(cl->name)]; + + // Remove all characters '"' and '\' in the player name + nameind = 0; + cleanind = 0; + do + { + curchar = cl->name[nameind++]; + if (curchar != '"' && curchar != '\\') + { + cleanname[cleanind++] = curchar; + if (cleanind == sizeof(cleanname) - 1) + break; + } + } while (curchar != '\0'); + + length = dpsnprintf(ptr, left, "%d %d \"%s\"\n", + cl->frags, + (int)(cl->ping * 1000.0f), + cleanname); + if(length < 0) + return false; + left -= length; + ptr += length; + } + } + } + + return true; +} + extern void SV_SendServerinfo (client_t *client); int NetConn_ServerParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length, lhnetaddress_t *peeraddress) { - int i, n, ret, clientnum, responselength, best; + int i, ret, clientnum, best; double besttime; client_t *client; netconn_t *conn; @@ -1369,19 +1573,12 @@ int NetConn_ServerParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length, if (length >= 7 && !memcmp(string, "getinfo", 7)) { const char *challenge = NULL; + // If there was a challenge in the getinfo message if (length > 8 && string[7] == ' ') challenge = string + 8; - for (i = 0, n = 0;i < svs.maxclients;i++) - if (svs.clients[i].active) - n++; - responselength = dpsnprintf(response, sizeof(response), "\377\377\377\377infoResponse\x0A" - "\\gamename\\%s\\modname\\%s\\sv_maxclients\\%d" - "\\clients\\%d\\mapname\\%s\\hostname\\%s\\protocol\\%d%s%s", - gamename, com_modname, svs.maxclients, n, - sv.name, hostname.string, NET_PROTOCOL_VERSION, challenge ? "\\challenge\\" : "", challenge ? challenge : ""); - // does it fit in the buffer? - if (responselength >= 0) + + if (NetConn_BuildStatusResponse(challenge, response, sizeof(response), false)) { if (developer.integer) Con_Printf("Sending reply to master %s - %s\n", addressstring2, response); @@ -1389,6 +1586,22 @@ int NetConn_ServerParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length, } return true; } + if (length >= 9 && !memcmp(string, "getstatus", 9)) + { + const char *challenge = NULL; + + // If there was a challenge in the getinfo message + if (length > 10 && string[9] == ' ') + challenge = string + 10; + + if (NetConn_BuildStatusResponse(challenge, response, sizeof(response), true)) + { + if (developer.integer) + Con_Printf("Sending reply to client %s - %s\n", addressstring2, response); + NetConn_WriteString(mysocket, response, peeraddress); + } + return true; + } /* if (!strncmp(string, "ping", 4)) { @@ -1561,7 +1774,7 @@ int NetConn_ServerParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length, MSG_WriteByte(&net_message, playerNumber); MSG_WriteString(&net_message, client->name); MSG_WriteLong(&net_message, client->colors); - MSG_WriteLong(&net_message, (int)client->edict->v->frags); + MSG_WriteLong(&net_message, (int)client->edict->fields.server->frags); MSG_WriteLong(&net_message, (int)(realtime - client->connecttime)); MSG_WriteString(&net_message, client->netconnection ? client->netconnection->address : "botclient"); *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK)); @@ -1817,6 +2030,10 @@ void NetConn_Init(void) Cmd_AddCommand("net_stats", Net_Stats_f); Cmd_AddCommand("net_slist", Net_Slist_f); Cmd_AddCommand("heartbeat", Net_Heartbeat_f); + Cvar_RegisterVariable(&net_slist_queriespersecond); + Cvar_RegisterVariable(&net_slist_queriesperframe); + Cvar_RegisterVariable(&net_slist_timeout); + Cvar_RegisterVariable(&net_slist_maxtries); Cvar_RegisterVariable(&net_messagetimeout); Cvar_RegisterVariable(&net_messagerejointimeout); Cvar_RegisterVariable(&net_connecttimeout);