#include "quakedef.h"
#include "lhnet.h"
-#define MASTER_PORT 27950
+#define QWMASTER_PORT 27000
+#define DPMASTER_PORT 27950
// 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"};
+cvar_t sv_public = {0, "sv_public", "0", "1: advertises this server on the master server (so that players can find it in the server browser); 0: allow direct queries only; -1: do not respond to direct queries; -2: do not allow anyone to connect"};
+static cvar_t sv_heartbeatperiod = {CVAR_SAVE, "sv_heartbeatperiod", "120", "how often to send heartbeat in seconds (only used if sv_public is 1)"};
-// FIXME: resolve DNS on masters whenever their value changes and cache it (to avoid major delays in active servers when they heartbeat)
static cvar_t sv_masters [] =
{
- {CVAR_SAVE, "sv_master1", ""},
- {CVAR_SAVE, "sv_master2", ""},
- {CVAR_SAVE, "sv_master3", ""},
- {CVAR_SAVE, "sv_master4", ""},
- {0, "sv_masterextra1", "ghdigital.com"}, //69.59.212.88
- {0, "sv_masterextra2", "dpmaster.deathmask.net"}, //66.169.205.20
- {0, "sv_masterextra3", "12.166.196.192"}, //blaze.mindphukd.org (doesn't resolve currently but works as an ip)
- {0, NULL, NULL}
+ {CVAR_SAVE, "sv_master1", "", "user-chosen master server 1"},
+ {CVAR_SAVE, "sv_master2", "", "user-chosen master server 2"},
+ {CVAR_SAVE, "sv_master3", "", "user-chosen master server 3"},
+ {CVAR_SAVE, "sv_master4", "", "user-chosen master server 4"},
+ {0, "sv_masterextra1", "ghdigital.com", "default master server 1 (admin: LordHavoc)"}, // admin: LordHavoc
+ {0, "sv_masterextra2", "dpmaster.deathmask.net", "default master server 2 (admin: Willis)"}, // admin: Willis
+ {0, "sv_masterextra3", "excalibur.nvg.ntnu.no", "default master server 3 (admin: tChr)"}, // admin: tChr
+ {0, NULL, NULL, NULL}
+};
+
+static cvar_t sv_qwmasters [] =
+{
+ {CVAR_SAVE, "sv_qwmaster1", "", "user-chosen qwmaster server 1"},
+ {CVAR_SAVE, "sv_qwmaster2", "", "user-chosen qwmaster server 2"},
+ {CVAR_SAVE, "sv_qwmaster3", "", "user-chosen qwmaster server 3"},
+ {CVAR_SAVE, "sv_qwmaster4", "", "user-chosen qwmaster server 4"},
+ {0, "sv_qwmasterextra1", "192.246.40.37:27000", "id Limbo (admin: id Software)"},
+ {0, "sv_qwmasterextra2", "192.246.40.37:27002", "id CTF (admin: id Software)"},
+ {0, "sv_qwmasterextra3", "192.246.40.37:27003", "id TeamFortress (admin: id Software)"},
+ {0, "sv_qwmasterextra4", "192.246.40.37:27004", "id Miscilaneous (admin: id Software)"},
+ {0, "sv_qwmasterextra5", "192.246.40.37:27006", "id Deathmatch Only (admin: id Software)"},
+ {0, "sv_qwmasterextra6", "150.254.66.120:27000", "Poland's master server. (admin: unknown)"},
+ {0, "sv_qwmasterextra7", "62.112.145.129:27000", "Ocrana master server. (admin: unknown)"},
+ {0, "sv_qwmasterextra8", "master.edome.net", "edome master server. (admin: unknown)"},
+ {0, "sv_qwmasterextra9", "qwmaster.barrysworld.com", "barrysworld master server. (admin: unknown)"},
+ {0, "sv_qwmasterextra10", "qwmaster.ocrana.de:27000", "Ocrana2 master server. (admin: unknown)"},
+ {0, "sv_qwmasterextra11", "213.221.174.165:27000", "unknown1 master server. (admin: unknown)"},
+ {0, "sv_qwmasterextra12", "195.74.0.8", "unknown2 master server. (admin: unknown)"},
+ {0, "sv_qwmasterextra13", "204.182.161.2", "unknown3 master server. (admin: unknown)"},
+ {0, NULL, NULL, NULL}
};
static double nextheartbeattime = 0;
sizebuf_t net_message;
static unsigned char net_message_buf[NET_MAXMESSAGE];
-cvar_t net_messagetimeout = {0, "net_messagetimeout","300"};
-cvar_t net_messagerejointimeout = {0, "net_messagerejointimeout","10"};
-cvar_t net_connecttimeout = {0, "net_connecttimeout","10"};
-cvar_t hostname = {CVAR_SAVE, "hostname", "UNNAMED"};
-cvar_t developer_networking = {0, "developer_networking", "0"};
+cvar_t net_messagetimeout = {0, "net_messagetimeout","300", "drops players who have not sent any packets for this many seconds"};
+cvar_t net_connecttimeout = {0, "net_connecttimeout","10", "after requesting a connection, the client must reply within this many seconds or be dropped (cuts down on connect floods)"};
+cvar_t net_connectfloodblockingtimeout = {0, "net_connectfloodblockingtimeout", "5", "when a connection packet is received, it will block all future connect packets from that IP address for this many seconds (cuts down on connect floods)"};
+cvar_t hostname = {CVAR_SAVE, "hostname", "UNNAMED", "server message to show in server browser"};
+cvar_t developer_networking = {0, "developer_networking", "0", "prints all received and sent packets (recommended only for debugging)"};
+
+cvar_t cl_netlocalping = {0, "cl_netlocalping","0", "lags local loopback connection by this much ping time (useful to play more fairly on your own server with people with higher pings)"};
+static cvar_t cl_netpacketloss = {0, "cl_netpacketloss","0", "drops this percentage of packets (incoming and outgoing), useful for testing network protocol robustness (effects failing to start, sounds failing to play, etc)"};
+static cvar_t net_slist_queriespersecond = {0, "net_slist_queriespersecond", "20", "how many server information requests to send per second"};
+static cvar_t net_slist_queriesperframe = {0, "net_slist_queriesperframe", "4", "maximum number of server information requests to send each rendered frame (guards against low framerates causing problems)"};
+static cvar_t net_slist_timeout = {0, "net_slist_timeout", "4", "how long to listen for a server information response before giving up"};
+static cvar_t net_slist_maxtries = {0, "net_slist_maxtries", "3", "how many times to ask the same server for information (more times gives better ping reports but takes longer)"};
-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"};
+static cvar_t gameversion = {0, "gameversion", "0", "version of game data (mod-specific), when client and server gameversion mismatch in the server browser the server is shown as incompatible"};
/* statistic counters */
static int packetsSent = 0;
int serverreplycount = 0;
// this is only false if there are still servers left to query
-int serverlist_querysleep = true;
+static qboolean serverlist_querysleep = true;
+// this is pushed a second or two ahead of realtime whenever a master server
+// reply is received, to avoid issuing queries while master replies are still
+// flooding in (which would make a mess of the ping times)
+static double serverlist_querywaittime = 0;
static unsigned char sendbuffer[NET_HEADERSIZE+NET_MAXMESSAGE];
static unsigned char readbuffer[NET_HEADERSIZE+NET_MAXMESSAGE];
-int cl_numsockets;
-lhnetsocket_t *cl_sockets[16];
-int sv_numsockets;
-lhnetsocket_t *sv_sockets[16];
+static int cl_numsockets;
+static lhnetsocket_t *cl_sockets[16];
+static int sv_numsockets;
+static lhnetsocket_t *sv_sockets[16];
netconn_t *netconn_list = NULL;
mempool_t *netconn_mempool = NULL;
-cvar_t cl_netport = {0, "cl_port", "0"};
-cvar_t sv_netport = {0, "port", "26000"};
-cvar_t net_address = {0, "net_address", "0.0.0.0"};
-//cvar_t net_netaddress_ipv6 = {0, "net_address_ipv6", "[0:0:0:0:0:0:0:0]"};
+cvar_t cl_netport = {0, "cl_port", "0", "forces client to use chosen port number if not 0"};
+cvar_t sv_netport = {0, "port", "26000", "server port for players to connect to"};
+cvar_t net_address = {0, "net_address", "0.0.0.0", "network address to open ports on"};
+//cvar_t net_netaddress_ipv6 = {0, "net_address_ipv6", "[0:0:0:0:0:0:0:0]", "network address to open ipv6 ports on"};
+
+char net_extresponse[NET_EXTRESPONSE_MAX][1400];
+int net_extresponse_count = 0;
+int net_extresponse_last = 0;
// ServerList interface
serverlist_mask_t serverlist_andmasks[SERVERLIST_ANDMASKCOUNT];
case SLIF_NUMPLAYERS:
result = A->info.numplayers - B->info.numplayers;
break;
+ case SLIF_NUMBOTS:
+ result = A->info.numbots - B->info.numbots;
+ break;
+ case SLIF_NUMHUMANS:
+ result = A->info.numhumans - B->info.numhumans;
+ break;
case SLIF_PROTOCOL:
result = A->info.protocol - B->info.protocol;
break;
if( serverlist_sortdescending )
return result > 0;
- return result < 0;
+ if (result != 0)
+ return result < 0;
+ // if the chosen sort key is identical, sort by index
+ // (makes this a stable sort, so that later replies from servers won't
+ // shuffle the servers around when they have the same ping)
+ return A < B;
}
static qboolean _ServerList_CompareInt( int A, serverlist_maskop_t op, int B )
return false;
if( !_ServerList_CompareInt( info->numplayers, mask->tests[SLIF_NUMPLAYERS], mask->info.numplayers ) )
return false;
+ if( !_ServerList_CompareInt( info->numbots, mask->tests[SLIF_NUMBOTS], mask->info.numbots ) )
+ return false;
+ if( !_ServerList_CompareInt( info->numhumans, mask->tests[SLIF_NUMHUMANS], mask->info.numhumans ) )
+ return false;
if( !_ServerList_CompareInt( info->protocol, mask->tests[SLIF_PROTOCOL], mask->info.protocol ))
return false;
if( *mask->info.cname
{
int start, end, mid;
+ // reject incompatible servers
+ if (entry->info.gameversion != gameversion.integer)
+ 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++ )
void ServerList_ResetMasks(void)
{
+ int i;
+
memset( &serverlist_andmasks, 0, sizeof( serverlist_andmasks ) );
memset( &serverlist_ormasks, 0, sizeof( serverlist_ormasks ) );
+ // numbots needs to be compared to -1 to always succeed
+ for(i = 0; i < SERVERLIST_ANDMASKCOUNT; ++i)
+ serverlist_andmasks[i].info.numbots = -1;
+ for(i = 0; i < SERVERLIST_ORMASKCOUNT; ++i)
+ serverlist_ormasks[i].info.numbots = -1;
}
#if 0
for( i = 0 ; i < 1024 ; i++ ) {
memset( &serverlist_cache[serverlist_cachecount], 0, sizeof( serverlist_entry_t ) );
serverlist_cache[serverlist_cachecount].info.ping = 1000 + 1024 - i;
- dpsnprintf( serverlist_cache[serverlist_cachecount].info.name, 128, "Black's ServerList Test %i", i );
+ dpsnprintf( serverlist_cache[serverlist_cachecount].info.name, sizeof(serverlist_cache[serverlist_cachecount].info.name), "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 );
ServerList_ViewList_Insert( &serverlist_cache[serverlist_cachecount] );
}
#endif
-void ServerList_QueryList(void)
+void ServerList_QueryList(qboolean querydp, qboolean queryqw)
{
masterquerytime = realtime;
masterquerycount = 0;
//_ServerList_Test();
- NetConn_QueryMasters();
+ NetConn_QueryMasters(querydp, queryqw);
}
// rest
return NetConn_Write(mysocket, string, (int)strlen(string), peeraddress);
}
-int NetConn_SendReliableMessage(netconn_t *conn, sizebuf_t *data)
+qboolean NetConn_CanSend(netconn_t *conn)
{
- unsigned int packetLen;
- unsigned int dataLen;
- unsigned int eom;
- unsigned int *header;
-
-//#ifdef DEBUG
- if (data->cursize == 0)
+ conn->outgoing_packetcounter = (conn->outgoing_packetcounter + 1) % NETGRAPH_PACKETS;
+ conn->outgoing_unreliablesize[conn->outgoing_packetcounter] = NETGRAPH_NOPACKET;
+ conn->outgoing_reliablesize[conn->outgoing_packetcounter] = NETGRAPH_NOPACKET;
+ conn->outgoing_acksize[conn->outgoing_packetcounter] = NETGRAPH_NOPACKET;
+ if (realtime > conn->cleartime)
+ return true;
+ else
{
- Con_Printf ("Datagram_SendMessage: zero length message\n");
- return -1;
+ conn->outgoing_unreliablesize[conn->outgoing_packetcounter] = NETGRAPH_CHOKEDPACKET;
+ return false;
}
+}
- if (data->cursize > (int)sizeof(conn->sendMessage))
- {
- Con_Printf ("Datagram_SendMessage: message too big (%u > %u)\n", data->cursize, sizeof(conn->sendMessage));
- return -1;
- }
+int NetConn_SendUnreliableMessage(netconn_t *conn, sizebuf_t *data, protocolversion_t protocol, int rate)
+{
+ int totallen = 0;
+
+ // if this packet was supposedly choked, but we find ourselves sending one
+ // anyway, make sure the size counting starts at zero
+ // (this mostly happens on level changes and disconnects and such)
+ if (conn->outgoing_unreliablesize[conn->outgoing_packetcounter] == NETGRAPH_CHOKEDPACKET)
+ conn->outgoing_unreliablesize[conn->outgoing_packetcounter] = NETGRAPH_NOPACKET;
- if (conn->canSend == false)
+ if (protocol == PROTOCOL_QUAKEWORLD)
{
- Con_Printf ("SendMessage: called with canSend == false\n");
- return -1;
- }
-//#endif
+ int packetLen;
+ qboolean sendreliable;
+
+ // note that it is ok to send empty messages to the qw server,
+ // otherwise it won't respond to us at all
+
+ sendreliable = false;
+ // if the remote side dropped the last reliable message, resend it
+ if (conn->qw.incoming_acknowledged > conn->qw.last_reliable_sequence && conn->qw.incoming_reliable_acknowledged != conn->qw.reliable_sequence)
+ sendreliable = true;
+ // if the reliable transmit buffer is empty, copy the current message out
+ if (!conn->sendMessageLength && conn->message.cursize)
+ {
+ memcpy (conn->sendMessage, conn->message.data, conn->message.cursize);
+ conn->sendMessageLength = conn->message.cursize;
+ SZ_Clear(&conn->message); // clear the message buffer
+ conn->qw.reliable_sequence ^= 1;
+ sendreliable = true;
+ }
+ // outgoing unreliable packet number, and outgoing reliable packet number (0 or 1)
+ *((int *)(sendbuffer + 0)) = LittleLong((unsigned int)conn->qw.outgoing_sequence | ((unsigned int)sendreliable<<31));
+ // last received unreliable packet number, and last received reliable packet number (0 or 1)
+ *((int *)(sendbuffer + 4)) = LittleLong((unsigned int)conn->qw.incoming_sequence | ((unsigned int)conn->qw.incoming_reliable_sequence<<31));
+ packetLen = 8;
+ conn->qw.outgoing_sequence++;
+ // client sends qport in every packet
+ if (conn == cls.netcon)
+ {
+ *((short *)(sendbuffer + 8)) = LittleShort(cls.qw_qport);
+ packetLen += 2;
+ // also update cls.qw_outgoing_sequence
+ cls.qw_outgoing_sequence = conn->qw.outgoing_sequence;
+ }
+ if (packetLen + (sendreliable ? conn->sendMessageLength : 0) > 1400)
+ {
+ Con_Printf ("NetConn_SendUnreliableMessage: reliable message too big %u\n", data->cursize);
+ return -1;
+ }
- memcpy(conn->sendMessage, data->data, data->cursize);
- conn->sendMessageLength = data->cursize;
+ conn->outgoing_unreliablesize[conn->outgoing_packetcounter] += packetLen;
- if (conn->sendMessageLength <= MAX_PACKETFRAGMENT)
- {
- dataLen = conn->sendMessageLength;
- eom = NETFLAG_EOM;
+ // add the reliable message if there is one
+ if (sendreliable)
+ {
+ conn->outgoing_reliablesize[conn->outgoing_packetcounter] += conn->sendMessageLength;
+ memcpy(sendbuffer + packetLen, conn->sendMessage, conn->sendMessageLength);
+ packetLen += conn->sendMessageLength;
+ conn->qw.last_reliable_sequence = conn->qw.outgoing_sequence;
+ }
+
+ // add the unreliable message if possible
+ if (packetLen + data->cursize <= 1400)
+ {
+ conn->outgoing_unreliablesize[conn->outgoing_packetcounter] += data->cursize;
+ memcpy(sendbuffer + packetLen, data->data, data->cursize);
+ packetLen += data->cursize;
+ }
+
+ NetConn_Write(conn->mysocket, (void *)&sendbuffer, packetLen, &conn->peeraddress);
+
+ packetsSent++;
+ unreliableMessagesSent++;
+
+ totallen += packetLen + 18;
}
else
{
- dataLen = MAX_PACKETFRAGMENT;
- eom = 0;
- }
+ unsigned int packetLen;
+ unsigned int dataLen;
+ unsigned int eom;
+ unsigned int *header;
- packetLen = NET_HEADERSIZE + dataLen;
-
- header = (unsigned int *)sendbuffer;
- header[0] = BigLong(packetLen | (NETFLAG_DATA | eom));
- header[1] = BigLong(conn->sendSequence);
- memcpy(sendbuffer + NET_HEADERSIZE, conn->sendMessage, dataLen);
+ // if a reliable message fragment has been lost, send it again
+ if (conn->sendMessageLength && (realtime - conn->lastSendTime) > 1.0)
+ {
+ if (conn->sendMessageLength <= MAX_PACKETFRAGMENT)
+ {
+ dataLen = conn->sendMessageLength;
+ eom = NETFLAG_EOM;
+ }
+ else
+ {
+ dataLen = MAX_PACKETFRAGMENT;
+ eom = 0;
+ }
- conn->sendSequence++;
- conn->canSend = false;
+ packetLen = NET_HEADERSIZE + dataLen;
- if (NetConn_Write(conn->mysocket, (void *)&sendbuffer, packetLen, &conn->peeraddress) != (int)packetLen)
- return -1;
+ header = (unsigned int *)sendbuffer;
+ header[0] = BigLong(packetLen | (NETFLAG_DATA | eom));
+ header[1] = BigLong(conn->nq.sendSequence - 1);
+ memcpy(sendbuffer + NET_HEADERSIZE, conn->sendMessage, dataLen);
- conn->lastSendTime = realtime;
- packetsSent++;
- reliableMessagesSent++;
- return 1;
-}
+ conn->outgoing_reliablesize[conn->outgoing_packetcounter] += packetLen;
-static void NetConn_SendMessageNext(netconn_t *conn)
-{
- unsigned int packetLen;
- unsigned int dataLen;
- unsigned int eom;
- unsigned int *header;
+ if (NetConn_Write(conn->mysocket, (void *)&sendbuffer, packetLen, &conn->peeraddress) == (int)packetLen)
+ {
+ conn->lastSendTime = realtime;
+ packetsReSent++;
+ }
- if (conn->sendMessageLength && !conn->canSend && conn->sendNext)
- {
- if (conn->sendMessageLength <= MAX_PACKETFRAGMENT)
- {
- dataLen = conn->sendMessageLength;
- eom = NETFLAG_EOM;
- }
- else
- {
- dataLen = MAX_PACKETFRAGMENT;
- eom = 0;
+ totallen += packetLen + 18;
}
- packetLen = NET_HEADERSIZE + dataLen;
+ // if we have a new reliable message to send, do so
+ if (!conn->sendMessageLength && conn->message.cursize)
+ {
+ if (conn->message.cursize > (int)sizeof(conn->sendMessage))
+ {
+ Con_Printf("NetConn_SendUnreliableMessage: reliable message too big (%u > %u)\n", conn->message.cursize, (int)sizeof(conn->sendMessage));
+ conn->message.overflowed = true;
+ return -1;
+ }
- header = (unsigned int *)sendbuffer;
- header[0] = BigLong(packetLen | (NETFLAG_DATA | eom));
- header[1] = BigLong(conn->sendSequence);
- memcpy(sendbuffer + NET_HEADERSIZE, conn->sendMessage, dataLen);
+ if (developer_networking.integer && conn == cls.netcon)
+ {
+ Con_Print("client sending reliable message to server:\n");
+ SZ_HexDumpToConsole(&conn->message);
+ }
- conn->sendSequence++;
- conn->sendNext = false;
+ memcpy(conn->sendMessage, conn->message.data, conn->message.cursize);
+ conn->sendMessageLength = conn->message.cursize;
+ SZ_Clear(&conn->message);
- if (NetConn_Write(conn->mysocket, (void *)&sendbuffer, packetLen, &conn->peeraddress) != (int)packetLen)
- return;
+ if (conn->sendMessageLength <= MAX_PACKETFRAGMENT)
+ {
+ dataLen = conn->sendMessageLength;
+ eom = NETFLAG_EOM;
+ }
+ else
+ {
+ dataLen = MAX_PACKETFRAGMENT;
+ eom = 0;
+ }
- conn->lastSendTime = realtime;
- packetsSent++;
- }
-}
+ packetLen = NET_HEADERSIZE + dataLen;
-static void NetConn_ReSendMessage(netconn_t *conn)
-{
- unsigned int packetLen;
- unsigned int dataLen;
- unsigned int eom;
- unsigned int *header;
+ header = (unsigned int *)sendbuffer;
+ header[0] = BigLong(packetLen | (NETFLAG_DATA | eom));
+ header[1] = BigLong(conn->nq.sendSequence);
+ memcpy(sendbuffer + NET_HEADERSIZE, conn->sendMessage, dataLen);
- if (conn->sendMessageLength && !conn->canSend && (realtime - conn->lastSendTime) > 1.0)
- {
- if (conn->sendMessageLength <= MAX_PACKETFRAGMENT)
- {
- dataLen = conn->sendMessageLength;
- eom = NETFLAG_EOM;
- }
- else
- {
- dataLen = MAX_PACKETFRAGMENT;
- eom = 0;
- }
+ conn->nq.sendSequence++;
- packetLen = NET_HEADERSIZE + dataLen;
+ conn->outgoing_reliablesize[conn->outgoing_packetcounter] += packetLen;
- header = (unsigned int *)sendbuffer;
- header[0] = BigLong(packetLen | (NETFLAG_DATA | eom));
- header[1] = BigLong(conn->sendSequence - 1);
- memcpy(sendbuffer + NET_HEADERSIZE, conn->sendMessage, dataLen);
+ NetConn_Write(conn->mysocket, (void *)&sendbuffer, packetLen, &conn->peeraddress);
- conn->sendNext = false;
+ conn->lastSendTime = realtime;
+ packetsSent++;
+ reliableMessagesSent++;
- if (NetConn_Write(conn->mysocket, (void *)&sendbuffer, packetLen, &conn->peeraddress) != (int)packetLen)
- return;
+ totallen += packetLen + 18;
+ }
- conn->lastSendTime = realtime;
- packetsReSent++;
- }
-}
+ // if we have an unreliable message to send, do so
+ //if (data->cursize)
+ {
+ packetLen = NET_HEADERSIZE + data->cursize;
-qboolean NetConn_CanSendMessage(netconn_t *conn)
-{
- return conn->canSend;
-}
+ if (packetLen > (int)sizeof(sendbuffer))
+ {
+ Con_Printf("NetConn_SendUnreliableMessage: message too big %u\n", data->cursize);
+ return -1;
+ }
-int NetConn_SendUnreliableMessage(netconn_t *conn, sizebuf_t *data)
-{
- int packetLen;
- unsigned int *header;
+ header = (unsigned int *)sendbuffer;
+ header[0] = BigLong(packetLen | NETFLAG_UNRELIABLE);
+ header[1] = BigLong(conn->nq.unreliableSendSequence);
+ memcpy(sendbuffer + NET_HEADERSIZE, data->data, data->cursize);
- packetLen = NET_HEADERSIZE + data->cursize;
+ conn->nq.unreliableSendSequence++;
-//#ifdef DEBUG
- if (data->cursize == 0)
- {
- Con_Printf ("Datagram_SendUnreliableMessage: zero length message\n");
- return -1;
- }
+ conn->outgoing_unreliablesize[conn->outgoing_packetcounter] += packetLen;
- if (packetLen > (int)sizeof(sendbuffer))
- {
- Con_Printf ("Datagram_SendUnreliableMessage: message too big %u\n", data->cursize);
- return -1;
- }
-//#endif
+ NetConn_Write(conn->mysocket, (void *)&sendbuffer, packetLen, &conn->peeraddress);
- header = (unsigned int *)sendbuffer;
- header[0] = BigLong(packetLen | NETFLAG_UNRELIABLE);
- header[1] = BigLong(conn->unreliableSendSequence);
- memcpy(sendbuffer + NET_HEADERSIZE, data->data, data->cursize);
+ packetsSent++;
+ unreliableMessagesSent++;
- conn->unreliableSendSequence++;
+ if (data->cursize)
+ totallen += packetLen + 18;
+ }
+ }
- if (NetConn_Write(conn->mysocket, (void *)&sendbuffer, packetLen, &conn->peeraddress) != (int)packetLen)
- return -1;
+ // delay later packets to obey rate limit
+ if (conn->cleartime < realtime - 0.1)
+ conn->cleartime = realtime - 0.1;
+ conn->cleartime = conn->cleartime + (double)totallen / (double)rate;
+ if (conn->cleartime < realtime)
+ conn->cleartime = realtime;
- packetsSent++;
- unreliableMessagesSent++;
- return 1;
+ return 0;
}
void NetConn_CloseClientPorts(void)
}
}
-static void NetConn_UpdateServerStuff(void);
void NetConn_OpenServerPorts(int opennetports)
{
int port;
NetConn_CloseServerPorts();
- NetConn_UpdateServerStuff();
+ NetConn_UpdateSockets();
port = bound(0, sv_netport.integer, 65535);
if (port == 0)
port = 26000;
conn = (netconn_t *)Mem_Alloc(netconn_mempool, sizeof(*conn));
conn->mysocket = mysocket;
conn->peeraddress = *peeraddress;
- conn->canSend = true;
conn->lastMessageTime = realtime;
+ conn->message.data = conn->messagedata;
+ conn->message.maxsize = sizeof(conn->messagedata);
+ conn->message.cursize = 0;
// LordHavoc: (inspired by ProQuake) use a short connect timeout to
// reduce effectiveness of connection request floods
conn->timeout = realtime + net_connecttimeout.value;
return conn;
}
+void NetConn_ClearConnectFlood(lhnetaddress_t *peeraddress);
void NetConn_Close(netconn_t *conn)
{
netconn_t *c;
// remove connection from list
+
+ // allow the client to reconnect immediately
+ NetConn_ClearConnectFlood(&(conn->peeraddress));
+
if (conn == netconn_list)
netconn_list = conn->next;
else
static int clientport = -1;
static int clientport2 = -1;
static int hostport = -1;
-static void NetConn_UpdateServerStuff(void)
+void NetConn_UpdateSockets(void)
{
if (cls.state != ca_dedicated)
{
}
}
-int NetConn_ReceivedMessage(netconn_t *conn, unsigned char *data, int length)
+static int NetConn_ReceivedMessage(netconn_t *conn, unsigned char *data, int length, protocolversion_t protocol, double newtimeout)
{
- unsigned int count;
- unsigned int flags;
- unsigned int sequence;
- int qlength;
+ int originallength = length;
+ if (length < 8)
+ return 0;
+
+ // TODO: add netgraph stuff rather than just packetloss counting...
+
+ if (protocol == PROTOCOL_QUAKEWORLD)
+ {
+ int sequence, sequence_ack;
+ int reliable_ack, reliable_message;
+ int count;
+ int qport;
+
+ sequence = LittleLong(*((int *)(data + 0)));
+ sequence_ack = LittleLong(*((int *)(data + 4)));
+ data += 8;
+ length -= 8;
+
+ if (conn != cls.netcon)
+ {
+ // server only
+ if (length < 2)
+ return 0;
+ // TODO: use qport to identify that this client really is who they say they are? (and elsewhere in the code to identify the connection without a port match?)
+ qport = LittleShort(*((int *)(data + 8)));
+ data += 2;
+ length -= 2;
+ }
- if (length >= 8)
+ packetsReceived++;
+ reliable_message = (sequence >> 31) & 1;
+ reliable_ack = (sequence_ack >> 31) & 1;
+ sequence &= ~(1<<31);
+ sequence_ack &= ~(1<<31);
+ if (sequence <= conn->qw.incoming_sequence)
+ {
+ //Con_DPrint("Got a stale datagram\n");
+ return 0;
+ }
+ count = sequence - (conn->qw.incoming_sequence + 1);
+ if (count > 0)
+ {
+ droppedDatagrams += count;
+ //Con_DPrintf("Dropped %u datagram(s)\n", count);
+ while (count--)
+ {
+ conn->incoming_packetcounter = (conn->incoming_packetcounter + 1) % NETGRAPH_PACKETS;
+ conn->incoming_unreliablesize[conn->incoming_packetcounter] = NETGRAPH_LOSTPACKET;
+ conn->incoming_reliablesize[conn->incoming_packetcounter] = NETGRAPH_NOPACKET;
+ conn->incoming_acksize[conn->incoming_packetcounter] = NETGRAPH_NOPACKET;
+ }
+ }
+ conn->incoming_packetcounter = (conn->incoming_packetcounter + 1) % NETGRAPH_PACKETS;
+ conn->incoming_unreliablesize[conn->incoming_packetcounter] = originallength;
+ conn->incoming_reliablesize[conn->incoming_packetcounter] = NETGRAPH_NOPACKET;
+ conn->incoming_acksize[conn->incoming_packetcounter] = NETGRAPH_NOPACKET;
+ if (reliable_ack == conn->qw.reliable_sequence)
+ {
+ // received, now we will be able to send another reliable message
+ conn->sendMessageLength = 0;
+ reliableMessagesReceived++;
+ }
+ conn->qw.incoming_sequence = sequence;
+ if (conn == cls.netcon)
+ cls.qw_incoming_sequence = conn->qw.incoming_sequence;
+ conn->qw.incoming_acknowledged = sequence_ack;
+ conn->qw.incoming_reliable_acknowledged = reliable_ack;
+ if (reliable_message)
+ conn->qw.incoming_reliable_sequence ^= 1;
+ conn->lastMessageTime = realtime;
+ conn->timeout = realtime + newtimeout;
+ unreliableMessagesReceived++;
+ SZ_Clear(&net_message);
+ SZ_Write(&net_message, data, length);
+ MSG_BeginReading();
+ return 2;
+ }
+ else
{
+ unsigned int count;
+ unsigned int flags;
+ unsigned int sequence;
+ int qlength;
+
qlength = (unsigned int)BigLong(((int *)data)[0]);
flags = qlength & ~NETFLAG_LENGTH_MASK;
qlength &= NETFLAG_LENGTH_MASK;
length -= 8;
if (flags & NETFLAG_UNRELIABLE)
{
- if (sequence >= conn->unreliableReceiveSequence)
+ if (sequence >= conn->nq.unreliableReceiveSequence)
{
- if (sequence > conn->unreliableReceiveSequence)
+ if (sequence > conn->nq.unreliableReceiveSequence)
{
- count = sequence - conn->unreliableReceiveSequence;
+ count = sequence - conn->nq.unreliableReceiveSequence;
droppedDatagrams += count;
- Con_DPrintf("Dropped %u datagram(s)\n", count);
+ //Con_DPrintf("Dropped %u datagram(s)\n", count);
+ while (count--)
+ {
+ conn->incoming_packetcounter = (conn->incoming_packetcounter + 1) % NETGRAPH_PACKETS;
+ conn->incoming_unreliablesize[conn->incoming_packetcounter] = NETGRAPH_LOSTPACKET;
+ conn->incoming_reliablesize[conn->incoming_packetcounter] = NETGRAPH_NOPACKET;
+ conn->incoming_acksize[conn->incoming_packetcounter] = NETGRAPH_NOPACKET;
+ }
}
- conn->unreliableReceiveSequence = sequence + 1;
+ conn->incoming_packetcounter = (conn->incoming_packetcounter + 1) % NETGRAPH_PACKETS;
+ conn->incoming_unreliablesize[conn->incoming_packetcounter] = originallength;
+ conn->incoming_reliablesize[conn->incoming_packetcounter] = NETGRAPH_NOPACKET;
+ conn->incoming_acksize[conn->incoming_packetcounter] = NETGRAPH_NOPACKET;
+ conn->nq.unreliableReceiveSequence = sequence + 1;
conn->lastMessageTime = realtime;
- conn->timeout = realtime + net_messagetimeout.value;
+ conn->timeout = realtime + newtimeout;
unreliableMessagesReceived++;
if (length > 0)
{
return 2;
}
}
- else
- Con_DPrint("Got a stale datagram\n");
+ //else
+ // Con_DPrint("Got a stale datagram\n");
return 1;
}
else if (flags & NETFLAG_ACK)
{
- if (sequence == (conn->sendSequence - 1))
+ conn->incoming_acksize[conn->incoming_packetcounter] += originallength;
+ if (sequence == (conn->nq.sendSequence - 1))
{
- if (sequence == conn->ackSequence)
+ if (sequence == conn->nq.ackSequence)
{
- conn->ackSequence++;
- if (conn->ackSequence != conn->sendSequence)
+ conn->nq.ackSequence++;
+ if (conn->nq.ackSequence != conn->nq.sendSequence)
Con_DPrint("ack sequencing error\n");
conn->lastMessageTime = realtime;
- conn->timeout = realtime + net_messagetimeout.value;
- conn->sendMessageLength -= MAX_PACKETFRAGMENT;
- if (conn->sendMessageLength > 0)
+ conn->timeout = realtime + newtimeout;
+ if (conn->sendMessageLength > MAX_PACKETFRAGMENT)
{
+ unsigned int packetLen;
+ unsigned int dataLen;
+ unsigned int eom;
+ unsigned int *header;
+
+ conn->sendMessageLength -= MAX_PACKETFRAGMENT;
memcpy(conn->sendMessage, conn->sendMessage+MAX_PACKETFRAGMENT, conn->sendMessageLength);
- conn->sendNext = true;
- NetConn_SendMessageNext(conn);
+
+ if (conn->sendMessageLength <= MAX_PACKETFRAGMENT)
+ {
+ dataLen = conn->sendMessageLength;
+ eom = NETFLAG_EOM;
+ }
+ else
+ {
+ dataLen = MAX_PACKETFRAGMENT;
+ eom = 0;
+ }
+
+ packetLen = NET_HEADERSIZE + dataLen;
+
+ header = (unsigned int *)sendbuffer;
+ header[0] = BigLong(packetLen | (NETFLAG_DATA | eom));
+ header[1] = BigLong(conn->nq.sendSequence);
+ memcpy(sendbuffer + NET_HEADERSIZE, conn->sendMessage, dataLen);
+
+ conn->nq.sendSequence++;
+
+ if (NetConn_Write(conn->mysocket, (void *)&sendbuffer, packetLen, &conn->peeraddress) == (int)packetLen)
+ {
+ conn->lastSendTime = realtime;
+ packetsSent++;
+ }
}
else
- {
conn->sendMessageLength = 0;
- conn->canSend = true;
- }
}
- else
- Con_DPrint("Duplicate ACK received\n");
+ //else
+ // Con_DPrint("Duplicate ACK received\n");
}
- else
- Con_DPrint("Stale ACK received\n");
+ //else
+ // Con_DPrint("Stale ACK received\n");
return 1;
}
else if (flags & NETFLAG_DATA)
{
unsigned int temppacket[2];
+ conn->incoming_reliablesize[conn->incoming_packetcounter] += originallength;
+ conn->outgoing_acksize[conn->outgoing_packetcounter] += 8;
temppacket[0] = BigLong(8 | NETFLAG_ACK);
temppacket[1] = BigLong(sequence);
NetConn_Write(conn->mysocket, (unsigned char *)temppacket, 8, &conn->peeraddress);
- if (sequence == conn->receiveSequence)
+ if (sequence == conn->nq.receiveSequence)
{
conn->lastMessageTime = realtime;
- conn->timeout = realtime + net_messagetimeout.value;
- conn->receiveSequence++;
+ conn->timeout = realtime + newtimeout;
+ conn->nq.receiveSequence++;
if( conn->receiveMessageLength + length <= (int)sizeof( conn->receiveMessage ) ) {
memcpy(conn->receiveMessage + conn->receiveMessageLength, data, length);
conn->receiveMessageLength += length;
return 0;
}
-void NetConn_ConnectionEstablished(lhnetsocket_t *mysocket, lhnetaddress_t *peeraddress)
+void NetConn_ConnectionEstablished(lhnetsocket_t *mysocket, lhnetaddress_t *peeraddress, protocolversion_t initialprotocol)
{
cls.connect_trying = false;
M_Update_Return_Reason("");
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);
+ Host_ShutdownServer ();
// 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);
cls.demonum = -1; // not in the demo loop now
cls.state = ca_connected;
cls.signon = 0; // need all the signon messages before playing
+ cls.protocol = initialprotocol;
+ // reset move sequence numbering on this new connection
+ cls.movesequence = 0;
+ cls.servermovesequence = 0;
+ if (cls.protocol == PROTOCOL_QUAKEWORLD)
+ Cmd_ForwardStringToServer("new");
+ if (cls.protocol == PROTOCOL_QUAKE)
+ {
+ // write a keepalive (clc_nop) as it seems to greatly improve the
+ // chances of connecting to a netquake server
+ sizebuf_t msg;
+ unsigned char buf[4];
+ memset(&msg, 0, sizeof(msg));
+ msg.data = buf;
+ msg.maxsize = sizeof(buf);
+ MSG_WriteChar(&msg, clc_nop);
+ NetConn_SendUnreliableMessage(cls.netcon, &msg, cls.protocol, 10000);
+ }
}
int NetConn_IsLocalGame(void)
return false;
}
-int NetConn_ClientParsePacket(lhnetsocket_t *mysocket, unsigned char *data, int length, lhnetaddress_t *peeraddress)
+static int NetConn_ClientParsePacket_ServerList_ProcessReply(const char *addressstring)
+{
+ int n;
+ int pingtime;
+ // search the cache for this server and update it
+ for (n = 0;n < serverlist_cachecount;n++)
+ if (!strcmp(addressstring, serverlist_cache[n].info.cname))
+ break;
+ 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 -1;
+
+ 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, addressstring, 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", addressstring);
+ ++serverlist_cachecount;
+ }
+ // if this is the first reply from this server, count it as having replied
+ if (serverlist_cache[n].info.ping == 100000)
+ serverreplycount++;
+ pingtime = (int)((realtime - serverlist_cache[n].querytime) * 1000.0 + 0.5);
+ pingtime = bound(0, pingtime, 9999);
+ // update the ping
+ serverlist_cache[n].info.ping = min(serverlist_cache[n].info.ping, pingtime);
+ // other server info is updated by the caller
+ return n;
+}
+
+static void NetConn_ClientParsePacket_ServerList_UpdateCache(int n)
+{
+ serverlist_info_t *info = &serverlist_cache[n].info;
+ // update description strings for engine menu and console output
+ dpsnprintf(serverlist_cache[n].line1, sizeof(serverlist_cache[n].line1), "^%c%5d^7 ^%c%3u^7/%3u %-65.65s", info->ping >= 300 ? '1' : (info->ping >= 200 ? '3' : '7'), (int)info->ping, ((info->numhumans > 0 && info->numhumans < info->maxplayers) ? (info->numhumans >= 4 ? '7' : '3') : '1'), info->numplayers, info->maxplayers, info->name);
+ dpsnprintf(serverlist_cache[n].line2, sizeof(serverlist_cache[n].line2), "^4%-21.21s %-19.19s ^%c%-17.17s^4 %-20.20s", info->cname, info->game, (info->gameversion != gameversion.integer) ? '1' : '4', info->mod, info->map);
+ 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].query = SQS_QUERIED;
+}
+
+static int NetConn_ClientParsePacket(lhnetsocket_t *mysocket, unsigned char *data, int length, lhnetaddress_t *peeraddress)
{
+ qboolean fromserver;
int ret, c, control;
const char *s;
- char *string, addressstring2[128], cname[128], ipstring[32];
+ char *string, addressstring2[128], ipstring[32];
char stringbuf[16384];
+ // quakeworld ingame packet
+ fromserver = cls.netcon && mysocket == cls.netcon->mysocket && !LHNETADDRESS_Compare(&cls.netcon->peeraddress, peeraddress);
+
+ // convert the address to a string incase we need it
+ LHNETADDRESS_ToString(peeraddress, addressstring2, sizeof(addressstring2), true);
+
if (length >= 5 && data[0] == 255 && data[1] == 255 && data[2] == 255 && data[3] == 255)
{
// received a command string - strip off the packaging and put it
stringbuf[length] = 0;
string = stringbuf;
- if (developer.integer)
+ if (developer_networking.integer)
{
- LHNETADDRESS_ToString(peeraddress, addressstring2, sizeof(addressstring2), true);
Con_Printf("NetConn_ClientParsePacket: %s sent us a command:\n", addressstring2);
Com_HexDumpToConsole(data, length);
}
if (length > 10 && !memcmp(string, "challenge ", 10) && cls.connect_trying)
{
+ // darkplaces or quake3
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");
+ // update the server IP in the userinfo (QW servers expect this, and it is used by the reconnect command)
+ InfoString_SetValue(cls.userinfo, sizeof(cls.userinfo), "*ip", addressstring2);
+ // TODO: add userinfo stuff here instead of using NQ commands?
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)
{
+ // darkplaces or quake3
M_Update_Return_Reason("Accepted");
- NetConn_ConnectionEstablished(mysocket, peeraddress);
+ NetConn_ConnectionEstablished(mysocket, peeraddress, PROTOCOL_DARKPLACES3);
return true;
}
if (length > 7 && !memcmp(string, "reject ", 7) && cls.connect_trying)
if (length >= 13 && !memcmp(string, "infoResponse\x0A", 13))
{
serverlist_info_t *info;
- int i, n;
- double pingtime;
+ int n;
string += 13;
- // serverlist only uses text addresses
- LHNETADDRESS_ToString(peeraddress, cname, sizeof(cname), true);
// search the cache for this server and update it
- for( n = 0; n < serverlist_cachecount; n++ )
- if( !strcmp( cname, serverlist_cache[n].info.cname ) )
- break;
- 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;
- }
+ n = NetConn_ClientParsePacket_ServerList_ProcessReply(addressstring2);
+ if (n < 0)
+ return true;
info = &serverlist_cache[n].info;
- if ((s = SearchInfostring(string, "gamename" )) != NULL) strlcpy(info->game, s, sizeof (info->game));else info->game[0] = 0;
- if ((s = SearchInfostring(string, "modname" )) != NULL) strlcpy(info->mod , s, sizeof (info->mod ));else info->mod[0] = 0;
- if ((s = SearchInfostring(string, "mapname" )) != NULL) strlcpy(info->map , s, sizeof (info->map ));else info->map[0] = 0;
- if ((s = SearchInfostring(string, "hostname" )) != NULL) strlcpy(info->name, s, sizeof (info->name));else info->name[0] = 0;
- if ((s = SearchInfostring(string, "protocol" )) != NULL) info->protocol = atoi(s);else info->protocol = -1;
- if ((s = SearchInfostring(string, "clients" )) != NULL) info->numplayers = atoi(s);else info->numplayers = 0;
- if ((s = SearchInfostring(string, "sv_maxclients")) != NULL) info->maxplayers = atoi(s);else info->maxplayers = 0;
-
- if (info->ping == 100000)
- serverreplycount++;
-
- pingtime = (int)((realtime - serverlist_cache[n].querytime) * 1000.0);
- pingtime = bound(0, pingtime, 9999);
- // update the ping
- info->ping = pingtime;
-
- // legacy/old stuff move it to the menu ASAP
-
- // build description strings for the things users care about
- dpsnprintf(serverlist_cache[n].line1, sizeof(serverlist_cache[n].line1), "%5d%c%3u/%3u %-65.65s", (int)pingtime, info->protocol != NET_PROTOCOL_VERSION ? '*' : ' ', info->numplayers, info->maxplayers, info->name);
- dpsnprintf(serverlist_cache[n].line2, sizeof(serverlist_cache[n].line2), "%-21.21s %-19.19s %-17.17s %-20.20s", info->cname, info->game, info->mod, info->map);
- // if ping is especially high, display it as such
- if (pingtime >= 300)
- {
- // orange numbers (lower block)
- for (i = 0;i < 5;i++)
- if (serverlist_cache[n].line1[i] != ' ')
- serverlist_cache[n].line1[i] += 128;
- }
- else if (pingtime >= 200)
- {
- // yellow numbers (in upper block)
- for (i = 0;i < 5;i++)
- if (serverlist_cache[n].line1[i] != ' ')
- serverlist_cache[n].line1[i] -= 30;
- }
- 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].query = SQS_QUERIED;
+ info->game[0] = 0;
+ info->mod[0] = 0;
+ info->map[0] = 0;
+ info->name[0] = 0;
+ info->protocol = -1;
+ info->numplayers = 0;
+ info->numbots = -1;
+ info->maxplayers = 0;
+ info->gameversion = 0;
+ if ((s = SearchInfostring(string, "gamename" )) != NULL) strlcpy(info->game, s, sizeof (info->game));
+ if ((s = SearchInfostring(string, "modname" )) != NULL) strlcpy(info->mod , s, sizeof (info->mod ));
+ if ((s = SearchInfostring(string, "mapname" )) != NULL) strlcpy(info->map , s, sizeof (info->map ));
+ if ((s = SearchInfostring(string, "hostname" )) != NULL) strlcpy(info->name, s, sizeof (info->name));
+ if ((s = SearchInfostring(string, "protocol" )) != NULL) info->protocol = atoi(s);
+ if ((s = SearchInfostring(string, "clients" )) != NULL) info->numplayers = atoi(s);
+ if ((s = SearchInfostring(string, "bots" )) != NULL) info->numbots = atoi(s);
+ if ((s = SearchInfostring(string, "sv_maxclients")) != NULL) info->maxplayers = atoi(s);
+ if ((s = SearchInfostring(string, "gameversion" )) != NULL) info->gameversion = atoi(s);
+ info->numhumans = info->numplayers - max(0, info->numbots);
+
+ NetConn_ClientParsePacket_ServerList_UpdateCache(n);
return true;
}
length -= 18;
masterreplycount++;
if (serverlist_consoleoutput)
- Con_Print("received server list...\n");
+ Con_Print("received DarkPlaces server list...\n");
while (length >= 7 && data[0] == '\\' && (data[1] != 0xFF || data[2] != 0xFF || data[3] != 0xFF || data[4] != 0xFF) && data[5] * 256 + data[6] != 0)
{
int n;
- dpsnprintf (ipstring, sizeof (ipstring), "%u.%u.%u.%u:%u", data[1], data[2], data[3], data[4], (data[5] << 8) | data[6]);
- if (developer.integer)
- Con_Printf("Requesting info from server %s\n", ipstring);
+ dpsnprintf (ipstring, sizeof (ipstring), "%u.%u.%u.%u:%u", data[1], data[2], data[3], data[4], data[5] * 256 + data[6]);
+ if (serverlist_consoleoutput && developer_networking.integer)
+ Con_Printf("Requesting info from DarkPlaces server %s\n", ipstring);
// ignore the rest of the message if the serverlist is full
if( serverlist_cachecount == SERVERLIST_TOTALSIZE )
break;
serverquerycount++;
memset(&serverlist_cache[serverlist_cachecount], 0, sizeof(serverlist_cache[serverlist_cachecount]));
+ serverlist_cache[serverlist_cachecount].protocol = PROTOCOL_DARKPLACES7;
// 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;
}
// begin or resume serverlist queries
serverlist_querysleep = false;
+ serverlist_querywaittime = realtime + 3;
+ return true;
+ }
+ if (!memcmp(string, "d\n", 2) && serverlist_cachecount < SERVERLIST_TOTALSIZE)
+ {
+ // Extract the IP addresses
+ data += 2;
+ length -= 2;
+ masterreplycount++;
+ if (serverlist_consoleoutput)
+ Con_Printf("received QuakeWorld server list from %s...\n", addressstring2);
+ while (length >= 6 && (data[0] != 0xFF || data[1] != 0xFF || data[2] != 0xFF || data[3] != 0xFF) && data[4] * 256 + data[5] != 0)
+ {
+ int n;
+
+ dpsnprintf (ipstring, sizeof (ipstring), "%u.%u.%u.%u:%u", data[0], data[1], data[2], data[3], data[4] * 256 + data[5]);
+ if (serverlist_consoleoutput && developer_networking.integer)
+ Con_Printf("Requesting info from QuakeWorld server %s\n", ipstring);
+ // ignore the rest of the message if the serverlist is full
+ if( serverlist_cachecount == SERVERLIST_TOTALSIZE )
+ break;
+ // also ignore it if we have already queried it (other master server response)
+ for( n = 0 ; n < serverlist_cachecount ; n++ )
+ if( !strcmp( ipstring, serverlist_cache[ n ].info.cname ) )
+ break;
+ if( n >= serverlist_cachecount )
+ {
+ serverquerycount++;
+
+ memset(&serverlist_cache[serverlist_cachecount], 0, sizeof(serverlist_cache[serverlist_cachecount]));
+ serverlist_cache[serverlist_cachecount].protocol = PROTOCOL_QUAKEWORLD;
+ // 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].query = SQS_QUERYING;
+
+ ++serverlist_cachecount;
+ }
+
+ // move on to next address in packet
+ data += 6;
+ length -= 6;
+ }
+ // begin or resume serverlist queries
+ serverlist_querysleep = false;
+ serverlist_querywaittime = realtime + 3;
+ return true;
+ }
+ if (!strncmp(string, "extResponse ", 12))
+ {
+ ++net_extresponse_count;
+ if(net_extresponse_count > NET_EXTRESPONSE_MAX)
+ net_extresponse_count = NET_EXTRESPONSE_MAX;
+ net_extresponse_last = (net_extresponse_last + 1) % NET_EXTRESPONSE_MAX;
+ dpsnprintf(net_extresponse[net_extresponse_last], sizeof(net_extresponse[net_extresponse_last]), "'%s' %s", addressstring2, string + 12);
return true;
}
- /*
if (!strncmp(string, "ping", 4))
{
- if (developer.integer)
- Con_Printf("Received ping from %s, sending ack\n", UDP_AddrToString(readaddr));
+ if (developer.integer >= 10)
+ Con_Printf("Received ping from %s, sending ack\n", addressstring2);
NetConn_WriteString(mysocket, "\377\377\377\377ack", peeraddress);
return true;
}
if (!strncmp(string, "ack", 3))
return true;
- */
+ // QuakeWorld compatibility
+ if (length > 1 && string[0] == 'c' && (string[1] == '-' || (string[1] >= '0' && string[1] <= '9')) && cls.connect_trying)
+ {
+ // challenge message
+ Con_Printf("challenge %s received, sending QuakeWorld connect request back to %s\n", string + 1, addressstring2);
+ M_Update_Return_Reason("Got QuakeWorld challenge response");
+ cls.qw_qport = qport.integer;
+ // update the server IP in the userinfo (QW servers expect this, and it is used by the reconnect command)
+ InfoString_SetValue(cls.userinfo, sizeof(cls.userinfo), "*ip", addressstring2);
+ NetConn_WriteString(mysocket, va("\377\377\377\377connect %i %i %i \"%s\"\n", 28, cls.qw_qport, atoi(string + 1), cls.userinfo), peeraddress);
+ return true;
+ }
+ if (length >= 1 && string[0] == 'j' && cls.connect_trying)
+ {
+ // accept message
+ M_Update_Return_Reason("QuakeWorld Accepted");
+ NetConn_ConnectionEstablished(mysocket, peeraddress, PROTOCOL_QUAKEWORLD);
+ return true;
+ }
+ if (length > 2 && !memcmp(string, "n\\", 2))
+ {
+ serverlist_info_t *info;
+ int n;
+
+ // qw server status
+ if (serverlist_consoleoutput && developer_networking.integer >= 2)
+ Con_Printf("QW server status from server at %s:\n%s\n", addressstring2, string + 1);
+
+ string += 1;
+ // search the cache for this server and update it
+ n = NetConn_ClientParsePacket_ServerList_ProcessReply(addressstring2);
+ if (n < 0)
+ return true;
+
+ info = &serverlist_cache[n].info;
+ strlcpy(info->game, "QuakeWorld", sizeof(info->game));;
+ if ((s = SearchInfostring(string, "*gamedir" )) != NULL) strlcpy(info->mod , s, sizeof (info->mod ));else info->mod[0] = 0;
+ if ((s = SearchInfostring(string, "map" )) != NULL) strlcpy(info->map , s, sizeof (info->map ));else info->map[0] = 0;
+ if ((s = SearchInfostring(string, "hostname" )) != NULL) strlcpy(info->name, s, sizeof (info->name));else info->name[0] = 0;
+ info->protocol = 0;
+ info->numplayers = 0; // updated below
+ if ((s = SearchInfostring(string, "maxclients" )) != NULL) info->maxplayers = atoi(s);else info->maxplayers = 0;
+ if ((s = SearchInfostring(string, "gameversion" )) != NULL) info->gameversion = atoi(s);else info->gameversion = 0;
+
+ // count active players on server
+ // (we could gather more info, but we're just after the number)
+ s = strchr(string, '\n');
+ if (s)
+ {
+ s++;
+ while (s < string + length)
+ {
+ for (;s < string + length && *s != '\n';s++)
+ ;
+ if (s >= string + length)
+ break;
+ info->numplayers++;
+ s++;
+ }
+ }
+
+ NetConn_ClientParsePacket_ServerList_UpdateCache(n);
+
+ return true;
+ }
+ if (string[0] == 'n')
+ {
+ // qw print command
+ Con_Printf("QW print command from server at %s:\n%s\n", addressstring2, string + 1);
+ }
// we may not have liked the packet, but it was a command packet, so
// we're done processing this packet now
return true;
}
+ // quakeworld ingame packet
+ if (fromserver && cls.protocol == PROTOCOL_QUAKEWORLD && length >= 8 && (ret = NetConn_ReceivedMessage(cls.netcon, data, length, cls.protocol, net_messagetimeout.value)) == 2)
+ {
+ ret = 0;
+ CL_ParseServerMessage();
+ return ret;
+ }
// netquake control packets, supported for compatibility only
if (length >= 5 && (control = BigLong(*((int *)data))) && (control & (~NETFLAG_LENGTH_MASK)) == (int)NETFLAG_CTL && (control & NETFLAG_LENGTH_MASK) == length)
{
- c = data[4];
- data += 5;
- length -= 5;
- LHNETADDRESS_ToString(peeraddress, addressstring2, sizeof(addressstring2), true);
+ int n;
+ serverlist_info_t *info;
+
+ data += 4;
+ length -= 4;
+ SZ_Clear(&net_message);
+ SZ_Write(&net_message, data, length);
+ MSG_BeginReading();
+ c = MSG_ReadByte();
switch (c)
{
case CCREP_ACCEPT:
- if (developer.integer)
+ if (developer.integer >= 10)
Con_Printf("Datagram_ParseConnectionless: received CCREP_ACCEPT from %s.\n", addressstring2);
if (cls.connect_trying)
{
lhnetaddress_t clientportaddress;
clientportaddress = *peeraddress;
- if (length >= 4)
- {
- unsigned int port = (data[0] << 0) | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
- data += 4;
- length -= 4;
- LHNETADDRESS_SetPort(&clientportaddress, port);
- }
+ LHNETADDRESS_SetPort(&clientportaddress, MSG_ReadLong());
+ // update the server IP in the userinfo (QW servers expect this, and it is used by the reconnect command)
+ InfoString_SetValue(cls.userinfo, sizeof(cls.userinfo), "*ip", addressstring2);
M_Update_Return_Reason("Accepted");
- NetConn_ConnectionEstablished(mysocket, &clientportaddress);
+ NetConn_ConnectionEstablished(mysocket, &clientportaddress, PROTOCOL_QUAKE);
}
break;
case CCREP_REJECT:
- if (developer.integer)
+ if (developer.integer >= 10)
Con_Printf("Datagram_ParseConnectionless: received CCREP_REJECT from %s.\n", addressstring2);
cls.connect_trying = false;
- M_Update_Return_Reason((char *)data);
+ M_Update_Return_Reason((char *)MSG_ReadString());
break;
-#if 0
case CCREP_SERVER_INFO:
- if (developer.integer)
+ if (developer.integer >= 10)
Con_Printf("Datagram_ParseConnectionless: received CCREP_SERVER_INFO from %s.\n", addressstring2);
- if (cls.state != ca_dedicated)
- {
- // LordHavoc: because the UDP driver reports 0.0.0.0:26000 as the address
- // string we just ignore it and keep the real address
- MSG_ReadString();
- // serverlist only uses text addresses
- cname = UDP_AddrToString(readaddr);
- // search the cache for this server
- for (n = 0; n < hostCacheCount; n++)
- if (!strcmp(cname, serverlist[n].cname))
- break;
- // add it
- if (n == hostCacheCount && hostCacheCount < SERVERLISTSIZE)
- {
- hostCacheCount++;
- memset(&serverlist[n], 0, sizeof(serverlist[n]));
- strlcpy (serverlist[n].name, MSG_ReadString(), sizeof (serverlist[n].name));
- strlcpy (serverlist[n].map, MSG_ReadString(), sizeof (serverlist[n].map));
- serverlist[n].users = MSG_ReadByte();
- serverlist[n].maxusers = MSG_ReadByte();
- c = MSG_ReadByte();
- if (c != NET_PROTOCOL_VERSION)
- {
- strlcpy (serverlist[n].cname, serverlist[n].name, sizeof (serverlist[n].cname));
- strcpy(serverlist[n].name, "*");
- strlcat (serverlist[n].name, serverlist[n].cname, sizeof(serverlist[n].name));
- }
- strlcpy (serverlist[n].cname, cname, sizeof (serverlist[n].cname));
- }
- }
- break;
- case CCREP_PLAYER_INFO:
- // we got a CCREP_PLAYER_INFO??
- //if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: received CCREP_PLAYER_INFO from %s.\n", addressstring2);
- break;
+ // LordHavoc: because the quake server may report weird addresses
+ // we just ignore it and keep the real address
+ MSG_ReadString();
+ // search the cache for this server and update it
+ n = NetConn_ClientParsePacket_ServerList_ProcessReply(addressstring2);
+ if (n < 0)
+ break;
+
+ info = &serverlist_cache[n].info;
+ strlcpy(info->game, "Quake", sizeof(info->game));
+ strlcpy(info->mod , "", sizeof(info->mod)); // mod name is not specified
+ strlcpy(info->name, MSG_ReadString(), sizeof(info->name));
+ strlcpy(info->map , MSG_ReadString(), sizeof(info->map));
+ info->numplayers = MSG_ReadByte();
+ info->maxplayers = MSG_ReadByte();
+ info->protocol = MSG_ReadByte();
+
+ NetConn_ClientParsePacket_ServerList_UpdateCache(n);
+
+ break;
+ case CCREP_PLAYER_INFO:
+ // we got a CCREP_PLAYER_INFO??
+ //if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: received CCREP_PLAYER_INFO from %s.\n", addressstring2);
+ break;
case CCREP_RULE_INFO:
// we got a CCREP_RULE_INFO??
- //if (developer.integer)
+ //if (developer.integer >= 10)
Con_Printf("Datagram_ParseConnectionless: received CCREP_RULE_INFO from %s.\n", addressstring2);
break;
-#endif
default:
break;
}
+ SZ_Clear(&net_message);
// we may not have liked the packet, but it was a valid control
// packet, so we're done processing this packet now
return true;
}
ret = 0;
- if (length >= (int)NET_HEADERSIZE && cls.netcon && mysocket == cls.netcon->mysocket && !LHNETADDRESS_Compare(&cls.netcon->peeraddress, peeraddress) && (ret = NetConn_ReceivedMessage(cls.netcon, data, length)) == 2)
+ if (fromserver && length >= (int)NET_HEADERSIZE && (ret = NetConn_ReceivedMessage(cls.netcon, data, length, cls.protocol, net_messagetimeout.value)) == 2)
CL_ParseServerMessage();
return ret;
}
if (serverlist_querysleep)
return;
+ // apply a cool down time after master server replies,
+ // to avoid messing up the ping times on the servers
+ if (serverlist_querywaittime > realtime)
+ return;
+
// each time querycounter reaches 1.0 issue a query
- querycounter += host_realframetime * net_slist_queriespersecond.value;
+ querycounter += cl.realframetime * net_slist_queriespersecond.value;
maxqueries = (int)querycounter;
maxqueries = bound(0, maxqueries, net_slist_queriesperframe.integer);
querycounter -= maxqueries;
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);
+ if (entry->protocol == PROTOCOL_QUAKEWORLD)
+ {
+ for (socket = 0; socket < cl_numsockets ; socket++)
+ NetConn_WriteString(cl_sockets[socket], "\377\377\377\377status\n", &address);
+ }
+ else
+ {
+ for (socket = 0; socket < cl_numsockets ; socket++)
+ NetConn_WriteString(cl_sockets[socket], "\377\377\377\377getinfo", &address);
}
entry->querytime = realtime;
{
int i, length;
lhnetaddress_t peeraddress;
- netconn_t *conn;
- NetConn_UpdateServerStuff();
+ NetConn_UpdateSockets();
if (cls.connect_trying && cls.connect_nextsendtime < realtime)
{
if (cls.connect_remainingtries == 0)
M_Update_Return_Reason("Connect: Failed");
return;
}
- // try challenge first (newer server)
+ // try challenge first (newer DP server or QW)
NetConn_WriteString(cls.connect_mysocket, "\377\377\377\377getchallenge", &cls.connect_address);
// then try netquake as a fallback (old server, or netquake)
SZ_Clear(&net_message);
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");
CL_Disconnect();
- Host_ShutdownServer (false);
+ Host_ShutdownServer ();
}
- for (conn = netconn_list;conn;conn = conn->next)
- NetConn_ReSendMessage(conn);
}
#define MAX_CHALLENGES 128
static qboolean NetConn_BuildStatusResponse(const char* challenge, char* out_msg, size_t out_size, qboolean fullstatus)
{
- unsigned int nb_clients = 0, i;
+ unsigned int nb_clients = 0, nb_bots = 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++;
+ if (!svs.clients[i].netconnection)
+ nb_bots++;
+ }
+ }
// 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"
+ "\\gamename\\%s\\modname\\%s\\gameversion\\%d\\sv_maxclients\\%d"
+ "\\clients\\%d\\bots\\%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,
+ gamename, com_modname, gameversion.integer, svs.maxclients,
+ nb_clients, nb_bots, sv.name, hostname.string, NET_PROTOCOL_VERSION,
challenge ? "\\challenge\\" : "", challenge ? challenge : "",
fullstatus ? "\n" : "");
client_t *cl = &svs.clients[i];
if (cl->active)
{
- int nameind, cleanind;
+ int nameind, cleanind, pingvalue;
char curchar;
char cleanname [sizeof(cl->name)];
}
} while (curchar != '\0');
+ pingvalue = (int)(cl->ping * 1000.0f);
+ if(cl->netconnection)
+ pingvalue = bound(1, pingvalue, 9999);
+ else
+ pingvalue = 0;
length = dpsnprintf(ptr, left, "%d %d \"%s\"\n",
cl->frags,
- (int)(cl->ping * 1000.0f),
+ pingvalue,
cleanname);
if(length < 0)
return false;
return true;
}
+static qboolean NetConn_PreventConnectFlood(lhnetaddress_t *peeraddress)
+{
+ int floodslotnum, bestfloodslotnum;
+ double bestfloodtime;
+ lhnetaddress_t noportpeeraddress;
+ // see if this is a connect flood
+ noportpeeraddress = *peeraddress;
+ LHNETADDRESS_SetPort(&noportpeeraddress, 0);
+ bestfloodslotnum = 0;
+ bestfloodtime = sv.connectfloodaddresses[bestfloodslotnum].lasttime;
+ for (floodslotnum = 0;floodslotnum < MAX_CONNECTFLOODADDRESSES;floodslotnum++)
+ {
+ if (bestfloodtime >= sv.connectfloodaddresses[floodslotnum].lasttime)
+ {
+ bestfloodtime = sv.connectfloodaddresses[floodslotnum].lasttime;
+ bestfloodslotnum = floodslotnum;
+ }
+ if (sv.connectfloodaddresses[floodslotnum].lasttime && LHNETADDRESS_Compare(&noportpeeraddress, &sv.connectfloodaddresses[floodslotnum].address) == 0)
+ {
+ // this address matches an ongoing flood address
+ if (realtime < sv.connectfloodaddresses[floodslotnum].lasttime + net_connectfloodblockingtimeout.value)
+ {
+ // renew the ban on this address so it does not expire
+ // until the flood has subsided
+ sv.connectfloodaddresses[floodslotnum].lasttime = realtime;
+ //Con_Printf("Flood detected!\n");
+ return true;
+ }
+ // the flood appears to have subsided, so allow this
+ bestfloodslotnum = floodslotnum; // reuse the same slot
+ break;
+ }
+ }
+ // begin a new timeout on this address
+ sv.connectfloodaddresses[bestfloodslotnum].address = noportpeeraddress;
+ sv.connectfloodaddresses[bestfloodslotnum].lasttime = realtime;
+ //Con_Printf("Flood detection initiated!\n");
+ return false;
+}
+
+void NetConn_ClearConnectFlood(lhnetaddress_t *peeraddress)
+{
+ int floodslotnum;
+ lhnetaddress_t noportpeeraddress;
+ // see if this is a connect flood
+ noportpeeraddress = *peeraddress;
+ LHNETADDRESS_SetPort(&noportpeeraddress, 0);
+ for (floodslotnum = 0;floodslotnum < MAX_CONNECTFLOODADDRESSES;floodslotnum++)
+ {
+ if (sv.connectfloodaddresses[floodslotnum].lasttime && LHNETADDRESS_Compare(&noportpeeraddress, &sv.connectfloodaddresses[floodslotnum].address) == 0)
+ {
+ // this address matches an ongoing flood address
+ // remove the ban
+ sv.connectfloodaddresses[floodslotnum].address.addresstype = LHNETADDRESSTYPE_NONE;
+ sv.connectfloodaddresses[floodslotnum].lasttime = 0;
+ //Con_Printf("Flood cleared!\n");
+ }
+ }
+}
+
extern void SV_SendServerinfo (client_t *client);
-int NetConn_ServerParsePacket(lhnetsocket_t *mysocket, unsigned char *data, int length, lhnetaddress_t *peeraddress)
+static int NetConn_ServerParsePacket(lhnetsocket_t *mysocket, unsigned char *data, int length, lhnetaddress_t *peeraddress)
{
int i, ret, clientnum, best;
double besttime;
client_t *client;
- netconn_t *conn;
- char *s, *string, response[512], addressstring2[128], stringbuf[16384];
+ char *s, *string, response[1400], addressstring2[128], stringbuf[16384];
+ qboolean islocal = (LHNETADDRESS_GetAddressType(peeraddress) == LHNETADDRESSTYPE_LOOP);
- if (sv.active)
+ if (!sv.active)
+ return false;
+
+ // convert the address to a string incase we need it
+ LHNETADDRESS_ToString(peeraddress, addressstring2, sizeof(addressstring2), true);
+
+ // see if we can identify the sender as a local player
+ // (this is necessary for rcon to send a reliable reply if the client is
+ // actually on the server, not sending remotely)
+ for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
+ if (host_client->netconnection && host_client->netconnection->mysocket == mysocket && !LHNETADDRESS_Compare(&host_client->netconnection->peeraddress, peeraddress))
+ break;
+ if (i == svs.maxclients)
+ host_client = NULL;
+
+ if (length >= 5 && data[0] == 255 && data[1] == 255 && data[2] == 255 && data[3] == 255)
{
- if (length >= 5 && data[0] == 255 && data[1] == 255 && data[2] == 255 && data[3] == 255)
+ // received a command string - strip off the packaging and put it
+ // into our string buffer with NULL termination
+ data += 4;
+ length -= 4;
+ length = min(length, (int)sizeof(stringbuf) - 1);
+ memcpy(stringbuf, data, length);
+ stringbuf[length] = 0;
+ string = stringbuf;
+
+ if (developer.integer >= 10)
{
- // received a command string - strip off the packaging and put it
- // into our string buffer with NULL termination
- data += 4;
- length -= 4;
- length = min(length, (int)sizeof(stringbuf) - 1);
- memcpy(stringbuf, data, length);
- stringbuf[length] = 0;
- string = stringbuf;
-
- if (developer.integer)
+ Con_Printf("NetConn_ServerParsePacket: %s sent us a command:\n", addressstring2);
+ Com_HexDumpToConsole(data, length);
+ }
+
+ if (length >= 12 && !memcmp(string, "getchallenge", 12) && (islocal || sv_public.integer > -2))
+ {
+ for (i = 0, best = 0, besttime = realtime;i < MAX_CHALLENGES;i++)
+ {
+ if (!LHNETADDRESS_Compare(peeraddress, &challenge[i].address))
+ break;
+ if (besttime > challenge[i].time)
+ besttime = challenge[best = i].time;
+ }
+ // if we did not find an exact match, choose the oldest and
+ // update address and string
+ if (i == MAX_CHALLENGES)
{
- LHNETADDRESS_ToString(peeraddress, addressstring2, sizeof(addressstring2), true);
- Con_Printf("NetConn_ServerParsePacket: %s sent us a command:\n", addressstring2);
- Com_HexDumpToConsole(data, length);
+ i = best;
+ challenge[i].address = *peeraddress;
+ NetConn_BuildChallengeString(challenge[i].string, sizeof(challenge[i].string));
}
+ challenge[i].time = realtime;
+ // send the challenge
+ NetConn_WriteString(mysocket, va("\377\377\377\377challenge %s", challenge[i].string), peeraddress);
+ return true;
+ }
+ if (length > 8 && !memcmp(string, "connect\\", 8) && (islocal || sv_public.integer > -2))
+ {
+ string += 7;
+ length -= 7;
+
+ if (!(s = SearchInfostring(string, "challenge")))
+ return true;
+ // validate the challenge
+ for (i = 0;i < MAX_CHALLENGES;i++)
+ if (!LHNETADDRESS_Compare(peeraddress, &challenge[i].address) && !strcmp(challenge[i].string, s))
+ break;
+ // if the challenge is not recognized, drop the packet
+ if (i == MAX_CHALLENGES)
+ return true;
- if (length >= 12 && !memcmp(string, "getchallenge", 12))
+ // check engine protocol
+ if (strcmp(SearchInfostring(string, "protocol"), "darkplaces 3"))
{
- for (i = 0, best = 0, besttime = realtime;i < MAX_CHALLENGES;i++)
- {
- if (!LHNETADDRESS_Compare(peeraddress, &challenge[i].address))
- break;
- if (besttime > challenge[i].time)
- besttime = challenge[best = i].time;
- }
- // if we did not find an exact match, choose the oldest and
- // update address and string
- if (i == MAX_CHALLENGES)
- {
- i = best;
- challenge[i].address = *peeraddress;
- NetConn_BuildChallengeString(challenge[i].string, sizeof(challenge[i].string));
- }
- challenge[i].time = realtime;
- // send the challenge
- NetConn_WriteString(mysocket, va("\377\377\377\377challenge %s", challenge[i].string), peeraddress);
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: sending \"reject Wrong game protocol.\" to %s.\n", addressstring2);
+ NetConn_WriteString(mysocket, "\377\377\377\377reject Wrong game protocol.", peeraddress);
return true;
}
- if (length > 8 && !memcmp(string, "connect\\", 8))
+
+ // see if this is a duplicate connection request or a disconnected
+ // client who is rejoining to the same client slot
+ for (clientnum = 0, client = svs.clients;clientnum < svs.maxclients;clientnum++, client++)
{
- string += 7;
- length -= 7;
- if ((s = SearchInfostring(string, "challenge")))
+ if (client->netconnection && LHNETADDRESS_Compare(peeraddress, &client->netconnection->peeraddress) == 0)
{
- // validate the challenge
- for (i = 0;i < MAX_CHALLENGES;i++)
- if (!LHNETADDRESS_Compare(peeraddress, &challenge[i].address) && !strcmp(challenge[i].string, s))
- break;
- if (i < MAX_CHALLENGES)
+ // this is a known client...
+ if (client->spawned)
{
- // check engine protocol
- if (strcmp(SearchInfostring(string, "protocol"), "darkplaces 3"))
- {
- if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: sending \"reject Wrong game protocol.\" to %s.\n", addressstring2);
- NetConn_WriteString(mysocket, "\377\377\377\377reject Wrong game protocol.", peeraddress);
- }
- else
- {
- // see if this is a duplicate connection request
- for (clientnum = 0, client = svs.clients;clientnum < svs.maxclients;clientnum++, client++)
- if (client->netconnection && LHNETADDRESS_Compare(peeraddress, &client->netconnection->peeraddress) == 0)
- break;
- if (clientnum < svs.maxclients && realtime - client->connecttime < net_messagerejointimeout.value)
- {
- // client is still trying to connect,
- // so we send a duplicate reply
- if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: sending duplicate accept to %s.\n", addressstring2);
- NetConn_WriteString(mysocket, "\377\377\377\377accept", peeraddress);
- }
-#if 0
- else if (clientnum < svs.maxclients)
- {
- if (realtime - client->netconnection->lastMessageTime >= net_messagerejointimeout.value)
- {
- // client crashed and is coming back, keep their stuff intact
- SV_SendServerinfo(client);
- //host_client = client;
- //SV_DropClient (true);
- }
- // else ignore them
- }
-#endif
- else
- {
- // this is a new client, find a slot
- for (clientnum = 0, client = svs.clients;clientnum < svs.maxclients;clientnum++, client++)
- if (!client->active)
- break;
- if (clientnum < svs.maxclients)
- {
- // prepare the client struct
- if ((conn = NetConn_Open(mysocket, peeraddress)))
- {
- // allocated connection
- LHNETADDRESS_ToString(peeraddress, conn->address, sizeof(conn->address), true);
- if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: sending \"accept\" to %s.\n", conn->address);
- NetConn_WriteString(mysocket, "\377\377\377\377accept", peeraddress);
- // now set up the client
- SV_ConnectClient(clientnum, conn);
- NetConn_Heartbeat(1);
- }
- }
- else
- {
- // server is full
- if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: sending \"reject Server is full.\" to %s.\n", addressstring2);
- NetConn_WriteString(mysocket, "\377\377\377\377reject Server is full.", peeraddress);
- }
- }
- }
+ // client crashed and is coming back,
+ // keep their stuff intact
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: sending \"accept\" to %s.\n", addressstring2);
+ NetConn_WriteString(mysocket, "\377\377\377\377accept", peeraddress);
+ SV_VM_Begin();
+ SV_SendServerinfo(client);
+ SV_VM_End();
+ }
+ else
+ {
+ // client is still trying to connect,
+ // so we send a duplicate reply
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: sending duplicate accept to %s.\n", addressstring2);
+ NetConn_WriteString(mysocket, "\377\377\377\377accept", peeraddress);
}
+ return true;
}
- return true;
}
- 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;
+ if (NetConn_PreventConnectFlood(peeraddress))
+ return true;
- if (NetConn_BuildStatusResponse(challenge, response, sizeof(response), false))
+ // find an empty client slot for this new client
+ for (clientnum = 0, client = svs.clients;clientnum < svs.maxclients;clientnum++, client++)
+ {
+ netconn_t *conn;
+ if (!client->active && (conn = NetConn_Open(mysocket, peeraddress)))
{
- if (developer.integer)
- Con_Printf("Sending reply to master %s - %s\n", addressstring2, response);
- NetConn_WriteString(mysocket, response, peeraddress);
+ // allocated connection
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: sending \"accept\" to %s.\n", conn->address);
+ NetConn_WriteString(mysocket, "\377\377\377\377accept", peeraddress);
+ // now set up the client
+ SV_VM_Begin();
+ SV_ConnectClient(clientnum, conn);
+ SV_VM_End();
+ NetConn_Heartbeat(1);
+ return true;
}
- return true;
}
- if (length >= 9 && !memcmp(string, "getstatus", 9))
+
+ // no empty slots found - server is full
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: sending \"reject Server is full.\" to %s.\n", addressstring2);
+ NetConn_WriteString(mysocket, "\377\377\377\377reject Server is full.", peeraddress);
+
+ return true;
+ }
+ if (length >= 7 && !memcmp(string, "getinfo", 7) && (islocal || sv_public.integer > -1))
+ {
+ const char *challenge = NULL;
+
+ // If there was a challenge in the getinfo message
+ if (length > 8 && string[7] == ' ')
+ challenge = string + 8;
+
+ if (NetConn_BuildStatusResponse(challenge, response, sizeof(response), false))
{
- const char *challenge = NULL;
+ if (developer.integer >= 10)
+ Con_Printf("Sending reply to master %s - %s\n", addressstring2, response);
+ NetConn_WriteString(mysocket, response, peeraddress);
+ }
+ return true;
+ }
+ if (length >= 9 && !memcmp(string, "getstatus", 9) && (islocal || sv_public.integer > -1))
+ {
+ const char *challenge = NULL;
- // If there was a challenge in the getinfo message
- if (length > 10 && string[9] == ' ')
- challenge = string + 10;
+ // 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 (NetConn_BuildStatusResponse(challenge, response, sizeof(response), true))
+ {
+ if (developer.integer >= 10)
+ Con_Printf("Sending reply to client %s - %s\n", addressstring2, response);
+ NetConn_WriteString(mysocket, response, peeraddress);
+ }
+ return true;
+ }
+ if (length >= 5 && !memcmp(string, "rcon ", 5))
+ {
+ int i;
+ char *s = string + 5;
+ char password[64];
+ for (i = 0;*s > ' ';s++)
+ if (i < (int)sizeof(password) - 1)
+ password[i++] = *s;
+ password[i] = 0;
+ if (password[0] > ' ' && !strcmp(rcon_password.string, password))
+ {
+ // looks like a legitimate rcon command with the correct password
+ Con_Printf("server received rcon command from %s:\n%s\n", host_client ? host_client->name : addressstring2, s);
+ rcon_redirect = true;
+ rcon_redirect_bufferpos = 0;
+ Cmd_ExecuteString(s, src_command);
+ rcon_redirect_buffer[rcon_redirect_bufferpos] = 0;
+ rcon_redirect = false;
+ // print resulting text to client
+ // if client is playing, send a reliable reply instead of
+ // a command packet
+ if (host_client)
+ {
+ // if the netconnection is loop, then this is the
+ // local player on a listen mode server, and it would
+ // result in duplicate printing to the console
+ // (not that the local player should be using rcon
+ // when they have the console)
+ if (host_client->netconnection && LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) != LHNETADDRESSTYPE_LOOP)
+ SV_ClientPrintf("%s", rcon_redirect_buffer);
+ }
+ else
{
- if (developer.integer)
- Con_Printf("Sending reply to client %s - %s\n", addressstring2, response);
+ // qw print command
+ dpsnprintf(response, sizeof(response), "\377\377\377\377n%s", rcon_redirect_buffer);
NetConn_WriteString(mysocket, response, peeraddress);
}
- return true;
- }
- /*
- if (!strncmp(string, "ping", 4))
- {
- if (developer.integer)
- Con_Printf("Received ping from %s, sending ack\n", UDP_AddrToString(readaddr));
- NetConn_WriteString(mysocket, "\377\377\377\377ack", peeraddress);
- return true;
}
- if (!strncmp(string, "ack", 3))
- return true;
- */
- // we may not have liked the packet, but it was a command packet, so
- // we're done processing this packet now
return true;
}
- // LordHavoc: disabled netquake control packet support in server
-#if 0
+ if (!strncmp(string, "ping", 4))
{
- int c, control;
- // netquake control packets, supported for compatibility only
- if (length >= 5 && (control = BigLong(*((int *)data))) && (control & (~NETFLAG_LENGTH_MASK)) == (int)NETFLAG_CTL && (control & NETFLAG_LENGTH_MASK) == length)
+ if (developer.integer >= 10)
+ Con_Printf("Received ping from %s, sending ack\n", addressstring2);
+ NetConn_WriteString(mysocket, "\377\377\377\377ack", peeraddress);
+ return true;
+ }
+ if (!strncmp(string, "ack", 3))
+ return true;
+ // we may not have liked the packet, but it was a command packet, so
+ // we're done processing this packet now
+ return true;
+ }
+ // netquake control packets, supported for compatibility only, and only
+ // when running game protocols that are normally served via this connection
+ // protocol
+ // (this protects more modern protocols against being used for
+ // Quake packet flood Denial Of Service attacks)
+ if (length >= 5 && (i = BigLong(*((int *)data))) && (i & (~NETFLAG_LENGTH_MASK)) == (int)NETFLAG_CTL && (i & NETFLAG_LENGTH_MASK) == length && (sv.protocol == PROTOCOL_QUAKE || sv.protocol == PROTOCOL_QUAKEDP || sv.protocol == PROTOCOL_NEHAHRAMOVIE || sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3))
+ {
+ int c;
+ int protocolnumber;
+ const char *protocolname;
+ data += 4;
+ length -= 4;
+ SZ_Clear(&net_message);
+ SZ_Write(&net_message, data, length);
+ MSG_BeginReading();
+ c = MSG_ReadByte();
+ switch (c)
+ {
+ case CCREQ_CONNECT:
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: received CCREQ_CONNECT from %s.\n", addressstring2);
+ if(!islocal && sv_public.integer <= -2)
+ break;
+
+ protocolname = MSG_ReadString();
+ protocolnumber = MSG_ReadByte();
+ if (strcmp(protocolname, "QUAKE") || protocolnumber != NET_PROTOCOL_VERSION)
+ {
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: sending CCREP_REJECT \"Incompatible version.\" to %s.\n", addressstring2);
+ SZ_Clear(&net_message);
+ // save space for the header, filled in later
+ MSG_WriteLong(&net_message, 0);
+ MSG_WriteByte(&net_message, CCREP_REJECT);
+ MSG_WriteString(&net_message, "Incompatible version.\n");
+ *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
+ NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
+ SZ_Clear(&net_message);
+ break;
+ }
+
+ // see if this connect request comes from a known client
+ for (clientnum = 0, client = svs.clients;clientnum < svs.maxclients;clientnum++, client++)
{
- c = data[4];
- data += 5;
- length -= 5;
- LHNETADDRESS_ToString(peeraddress, addressstring2, sizeof(addressstring2), true);
- switch (c)
+ if (client->netconnection && LHNETADDRESS_Compare(peeraddress, &client->netconnection->peeraddress) == 0)
{
- case CCREQ_CONNECT:
- //if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: received CCREQ_CONNECT from %s.\n", addressstring2);
- if (length >= (int)strlen("QUAKE") + 1 + 1)
- {
- if (memcmp(data, "QUAKE", strlen("QUAKE") + 1) != 0 || (int)data[strlen("QUAKE") + 1] != NET_PROTOCOL_VERSION)
- {
- if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: sending CCREP_REJECT \"Incompatible version.\" to %s.\n", addressstring2);
- SZ_Clear(&net_message);
- // save space for the header, filled in later
- MSG_WriteLong(&net_message, 0);
- MSG_WriteByte(&net_message, CCREP_REJECT);
- MSG_WriteString(&net_message, "Incompatible version.\n");
- *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
- NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
- SZ_Clear(&net_message);
- }
- else
- {
- // see if this is a duplicate connection request
- for (clientnum = 0, client = svs.clients;clientnum < svs.maxclients;clientnum++, client++)
- if (client->netconnection && LHNETADDRESS_Compare(peeraddress, &client->netconnection->peeraddress) == 0)
- break;
- if (clientnum < svs.maxclients)
- {
- // duplicate connection request
- if (realtime - client->connecttime < 2.0)
- {
- // client is still trying to connect,
- // so we send a duplicate reply
- if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: sending duplicate CCREP_ACCEPT to %s.\n", addressstring2);
- SZ_Clear(&net_message);
- // save space for the header, filled in later
- MSG_WriteLong(&net_message, 0);
- MSG_WriteByte(&net_message, CCREP_ACCEPT);
- MSG_WriteLong(&net_message, LHNETADDRESS_GetPort(LHNET_AddressFromSocket(client->netconnection->mysocket)));
- *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
- NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
- SZ_Clear(&net_message);
- }
-#if 0
- else if (realtime - client->netconnection->lastMessageTime >= net_messagerejointimeout.value)
- {
- SV_SendServerinfo(client);
- // the old client hasn't sent us anything
- // in quite a while, so kick off and let
- // the retry take care of it...
- //host_client = client;
- //SV_DropClient (true);
- }
-#endif
- }
- else
- {
- // this is a new client, find a slot
- for (clientnum = 0, client = svs.clients;clientnum < svs.maxclients;clientnum++, client++)
- if (!client->active)
- break;
- if (clientnum < svs.maxclients && (client->netconnection = conn = NetConn_Open(mysocket, peeraddress)) != NULL)
- {
- // connect to the client
- // everything is allocated, just fill in the details
- strlcpy (conn->address, addressstring2, sizeof (conn->address));
- if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: sending CCREP_ACCEPT to %s.\n", addressstring2);
- // send back the info about the server connection
- SZ_Clear(&net_message);
- // save space for the header, filled in later
- MSG_WriteLong(&net_message, 0);
- MSG_WriteByte(&net_message, CCREP_ACCEPT);
- MSG_WriteLong(&net_message, LHNETADDRESS_GetPort(LHNET_AddressFromSocket(conn->mysocket)));
- *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
- NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
- SZ_Clear(&net_message);
- // now set up the client struct
- SV_ConnectClient(clientnum, conn);
- NetConn_Heartbeat(1);
- }
- else
- {
- //if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: sending CCREP_REJECT \"Server is full.\" to %s.\n", addressstring2);
- // no room; try to let player know
- SZ_Clear(&net_message);
- // save space for the header, filled in later
- MSG_WriteLong(&net_message, 0);
- MSG_WriteByte(&net_message, CCREP_REJECT);
- MSG_WriteString(&net_message, "Server is full.\n");
- *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
- NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
- SZ_Clear(&net_message);
- }
- }
- }
- }
- break;
-#if 0
- case CCREQ_SERVER_INFO:
- if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: received CCREQ_SERVER_INFO from %s.\n", addressstring2);
- if (sv.active && !strcmp(MSG_ReadString(), "QUAKE"))
- {
- if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: sending CCREP_SERVER_INFO to %s.\n", addressstring2);
- SZ_Clear(&net_message);
- // save space for the header, filled in later
- MSG_WriteLong(&net_message, 0);
- MSG_WriteByte(&net_message, CCREP_SERVER_INFO);
- UDP_GetSocketAddr(UDP_acceptSock, &newaddr);
- MSG_WriteString(&net_message, UDP_AddrToString(&newaddr));
- MSG_WriteString(&net_message, hostname.string);
- MSG_WriteString(&net_message, sv.name);
- MSG_WriteByte(&net_message, net_activeconnections);
- MSG_WriteByte(&net_message, svs.maxclients);
- MSG_WriteByte(&net_message, NET_PROTOCOL_VERSION);
- *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
- NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
- SZ_Clear(&net_message);
- }
- break;
- case CCREQ_PLAYER_INFO:
- if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: received CCREQ_PLAYER_INFO from %s.\n", addressstring2);
- if (sv.active)
+ // this is either a duplicate connection request
+ // or coming back from a timeout
+ // (if so, keep their stuff intact)
+
+ // send a reply
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: sending duplicate CCREP_ACCEPT to %s.\n", addressstring2);
+ SZ_Clear(&net_message);
+ // save space for the header, filled in later
+ MSG_WriteLong(&net_message, 0);
+ MSG_WriteByte(&net_message, CCREP_ACCEPT);
+ MSG_WriteLong(&net_message, LHNETADDRESS_GetPort(LHNET_AddressFromSocket(client->netconnection->mysocket)));
+ *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
+ NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
+ SZ_Clear(&net_message);
+
+ // if client is already spawned, re-send the
+ // serverinfo message as they'll need it to play
+ if (client->spawned)
{
- int playerNumber, activeNumber, clientNumber;
- client_t *client;
-
- playerNumber = MSG_ReadByte();
- activeNumber = -1;
- for (clientNumber = 0, client = svs.clients; clientNumber < svs.maxclients; clientNumber++, client++)
- if (client->active && ++activeNumber == playerNumber)
- break;
- if (clientNumber != svs.maxclients)
- {
- SZ_Clear(&net_message);
- // save space for the header, filled in later
- MSG_WriteLong(&net_message, 0);
- MSG_WriteByte(&net_message, CCREP_PLAYER_INFO);
- MSG_WriteByte(&net_message, playerNumber);
- MSG_WriteString(&net_message, client->name);
- MSG_WriteLong(&net_message, client->colors);
- 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));
- NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
- SZ_Clear(&net_message);
- }
+ SV_VM_Begin();
+ SV_SendServerinfo(client);
+ SV_VM_End();
}
- break;
- case CCREQ_RULE_INFO:
- if (developer.integer)
- Con_Printf("Datagram_ParseConnectionless: received CCREQ_RULE_INFO from %s.\n", addressstring2);
- if (sv.active)
- {
- char *prevCvarName;
- cvar_t *var;
+ return true;
+ }
+ }
- // find the search start location
- prevCvarName = MSG_ReadString();
- var = Cvar_FindVarAfter(prevCvarName, CVAR_NOTIFY);
+ // this is a new client, check for connection flood
+ if (NetConn_PreventConnectFlood(peeraddress))
+ break;
- // send the response
- SZ_Clear(&net_message);
- // save space for the header, filled in later
- MSG_WriteLong(&net_message, 0);
- MSG_WriteByte(&net_message, CCREP_RULE_INFO);
- if (var)
- {
- MSG_WriteString(&net_message, var->name);
- MSG_WriteString(&net_message, var->string);
- }
- *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
- NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
- SZ_Clear(&net_message);
- }
- break;
-#endif
- default:
- break;
+ // find a slot for the new client
+ for (clientnum = 0, client = svs.clients;clientnum < svs.maxclients;clientnum++, client++)
+ {
+ netconn_t *conn;
+ if (!client->active && (client->netconnection = conn = NetConn_Open(mysocket, peeraddress)) != NULL)
+ {
+ // connect to the client
+ // everything is allocated, just fill in the details
+ strlcpy (conn->address, addressstring2, sizeof (conn->address));
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: sending CCREP_ACCEPT to %s.\n", addressstring2);
+ // send back the info about the server connection
+ SZ_Clear(&net_message);
+ // save space for the header, filled in later
+ MSG_WriteLong(&net_message, 0);
+ MSG_WriteByte(&net_message, CCREP_ACCEPT);
+ MSG_WriteLong(&net_message, LHNETADDRESS_GetPort(LHNET_AddressFromSocket(conn->mysocket)));
+ *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
+ NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
+ SZ_Clear(&net_message);
+ // now set up the client struct
+ SV_VM_Begin();
+ SV_ConnectClient(clientnum, conn);
+ SV_VM_End();
+ NetConn_Heartbeat(1);
+ return true;
}
- // we may not have liked the packet, but it was a valid control
- // packet, so we're done processing this packet now
- return true;
}
- }
-#endif
- for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
- {
- if (host_client->netconnection && host_client->netconnection->mysocket == mysocket && !LHNETADDRESS_Compare(&host_client->netconnection->peeraddress, peeraddress))
+
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: sending CCREP_REJECT \"Server is full.\" to %s.\n", addressstring2);
+ // no room; try to let player know
+ SZ_Clear(&net_message);
+ // save space for the header, filled in later
+ MSG_WriteLong(&net_message, 0);
+ MSG_WriteByte(&net_message, CCREP_REJECT);
+ MSG_WriteString(&net_message, "Server is full.\n");
+ *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
+ NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
+ SZ_Clear(&net_message);
+ break;
+ case CCREQ_SERVER_INFO:
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: received CCREQ_SERVER_INFO from %s.\n", addressstring2);
+ if(!islocal && sv_public.integer <= -1)
+ break;
+ if (sv.active && !strcmp(MSG_ReadString(), "QUAKE"))
+ {
+ int numclients;
+ char myaddressstring[128];
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: sending CCREP_SERVER_INFO to %s.\n", addressstring2);
+ SZ_Clear(&net_message);
+ // save space for the header, filled in later
+ MSG_WriteLong(&net_message, 0);
+ MSG_WriteByte(&net_message, CCREP_SERVER_INFO);
+ LHNETADDRESS_ToString(LHNET_AddressFromSocket(mysocket), myaddressstring, sizeof(myaddressstring), true);
+ MSG_WriteString(&net_message, myaddressstring);
+ MSG_WriteString(&net_message, hostname.string);
+ MSG_WriteString(&net_message, sv.name);
+ // How many clients are there?
+ for (i = 0, numclients = 0;i < svs.maxclients;i++)
+ if (svs.clients[i].active)
+ numclients++;
+ MSG_WriteByte(&net_message, numclients);
+ MSG_WriteByte(&net_message, svs.maxclients);
+ MSG_WriteByte(&net_message, NET_PROTOCOL_VERSION);
+ *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
+ NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
+ SZ_Clear(&net_message);
+ }
+ break;
+ case CCREQ_PLAYER_INFO:
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: received CCREQ_PLAYER_INFO from %s.\n", addressstring2);
+ if(!islocal && sv_public.integer <= -1)
+ break;
+ if (sv.active)
{
- if ((ret = NetConn_ReceivedMessage(host_client->netconnection, data, length)) == 2)
- SV_ReadClientMessage();
- return ret;
+ int playerNumber, activeNumber, clientNumber;
+ client_t *client;
+
+ playerNumber = MSG_ReadByte();
+ activeNumber = -1;
+ for (clientNumber = 0, client = svs.clients; clientNumber < svs.maxclients; clientNumber++, client++)
+ if (client->active && ++activeNumber == playerNumber)
+ break;
+ if (clientNumber != svs.maxclients)
+ {
+ SZ_Clear(&net_message);
+ // save space for the header, filled in later
+ MSG_WriteLong(&net_message, 0);
+ MSG_WriteByte(&net_message, CCREP_PLAYER_INFO);
+ MSG_WriteByte(&net_message, playerNumber);
+ MSG_WriteString(&net_message, client->name);
+ MSG_WriteLong(&net_message, client->colors);
+ MSG_WriteLong(&net_message, client->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));
+ NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
+ SZ_Clear(&net_message);
+ }
}
+ break;
+ case CCREQ_RULE_INFO:
+ if (developer.integer >= 10)
+ Con_Printf("Datagram_ParseConnectionless: received CCREQ_RULE_INFO from %s.\n", addressstring2);
+ if(!islocal && sv_public.integer <= -1)
+ break;
+ if (sv.active)
+ {
+ char *prevCvarName;
+ cvar_t *var;
+
+ // find the search start location
+ prevCvarName = MSG_ReadString();
+ var = Cvar_FindVarAfter(prevCvarName, CVAR_NOTIFY);
+
+ // send the response
+ SZ_Clear(&net_message);
+ // save space for the header, filled in later
+ MSG_WriteLong(&net_message, 0);
+ MSG_WriteByte(&net_message, CCREP_RULE_INFO);
+ if (var)
+ {
+ MSG_WriteString(&net_message, var->name);
+ MSG_WriteString(&net_message, var->string);
+ }
+ *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
+ NetConn_Write(mysocket, net_message.data, net_message.cursize, peeraddress);
+ SZ_Clear(&net_message);
+ }
+ break;
+ default:
+ break;
+ }
+ SZ_Clear(&net_message);
+ // we may not have liked the packet, but it was a valid control
+ // packet, so we're done processing this packet now
+ return true;
+ }
+ if (host_client)
+ {
+ if ((ret = NetConn_ReceivedMessage(host_client->netconnection, data, length, sv.protocol, host_client->spawned ? net_messagetimeout.value : net_connecttimeout.value)) == 2)
+ {
+ SV_VM_Begin();
+ SV_ReadClientMessage();
+ SV_VM_End();
+ return ret;
}
}
return 0;
{
int i, length;
lhnetaddress_t peeraddress;
- netconn_t *conn;
- NetConn_UpdateServerStuff();
for (i = 0;i < sv_numsockets;i++)
while (sv_sockets[i] && (length = NetConn_Read(sv_sockets[i], readbuffer, sizeof(readbuffer), &peeraddress)) > 0)
NetConn_ServerParsePacket(sv_sockets[i], readbuffer, length, &peeraddress);
if (host_client->netconnection && realtime > host_client->netconnection->timeout && LHNETADDRESS_GetAddressType(&host_client->netconnection->peeraddress) != LHNETADDRESSTYPE_LOOP)
{
Con_Printf("Client \"%s\" connection timed out\n", host_client->name);
+ SV_VM_Begin();
SV_DropClient(false);
+ SV_VM_End();
}
}
- for (conn = netconn_list;conn;conn = conn->next)
- NetConn_ReSendMessage(conn);
}
-void NetConn_QueryMasters(void)
+void NetConn_SleepMicroseconds(int microseconds)
+{
+ LHNET_SleepUntilPacket_Microseconds(microseconds);
+}
+
+void NetConn_QueryMasters(qboolean querydp, qboolean queryqw)
{
int i;
int masternum;
// note this is IPv4-only, I doubt there are IPv6-only LANs out there
LHNETADDRESS_FromString(&broadcastaddress, "255.255.255.255", 26000);
- for (i = 0;i < cl_numsockets;i++)
+ if (querydp)
{
- if (cl_sockets[i])
+ for (i = 0;i < cl_numsockets;i++)
{
- // search LAN for Quake servers
- SZ_Clear(&net_message);
- // save space for the header, filled in later
- MSG_WriteLong(&net_message, 0);
- MSG_WriteByte(&net_message, CCREQ_SERVER_INFO);
- MSG_WriteString(&net_message, "QUAKE");
- MSG_WriteByte(&net_message, NET_PROTOCOL_VERSION);
- *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
- NetConn_Write(cl_sockets[i], net_message.data, net_message.cursize, &broadcastaddress);
- SZ_Clear(&net_message);
+ if (cl_sockets[i])
+ {
+ // search LAN for Quake servers
+ SZ_Clear(&net_message);
+ // save space for the header, filled in later
+ MSG_WriteLong(&net_message, 0);
+ MSG_WriteByte(&net_message, CCREQ_SERVER_INFO);
+ MSG_WriteString(&net_message, "QUAKE");
+ MSG_WriteByte(&net_message, NET_PROTOCOL_VERSION);
+ *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
+ NetConn_Write(cl_sockets[i], net_message.data, net_message.cursize, &broadcastaddress);
+ SZ_Clear(&net_message);
+
+ // search LAN for DarkPlaces servers
+ NetConn_WriteString(cl_sockets[i], "\377\377\377\377getinfo", &broadcastaddress);
+
+ // build the getservers message to send to the dpmaster master servers
+ dpsnprintf(request, sizeof(request), "\377\377\377\377getservers %s %u empty full\x0A", gamename, NET_PROTOCOL_VERSION);
+
+ // search internet
+ for (masternum = 0;sv_masters[masternum].name;masternum++)
+ {
+ if (sv_masters[masternum].string && sv_masters[masternum].string[0] && LHNETADDRESS_FromString(&masteraddress, sv_masters[masternum].string, DPMASTER_PORT) && LHNETADDRESS_GetAddressType(&masteraddress) == LHNETADDRESS_GetAddressType(LHNET_AddressFromSocket(cl_sockets[i])))
+ {
+ masterquerycount++;
+ NetConn_WriteString(cl_sockets[i], request, &masteraddress);
+ }
+ }
+ }
+ }
+ }
- // search LAN for DarkPlaces servers
- NetConn_WriteString(cl_sockets[i], "\377\377\377\377getinfo", &broadcastaddress);
+ // only query QuakeWorld servers when the user wants to
+ if (queryqw)
+ {
+ for (i = 0;i < cl_numsockets;i++)
+ {
+ if (cl_sockets[i])
+ {
+ // search LAN for QuakeWorld servers
+ NetConn_WriteString(cl_sockets[i], "\377\377\377\377status\n", &broadcastaddress);
- // build the getservers message to send to the master servers
- dpsnprintf(request, sizeof(request), "\377\377\377\377getservers %s %u empty full\x0A", gamename, NET_PROTOCOL_VERSION);
+ // build the getservers message to send to the qwmaster master servers
+ // note this has no -1 prefix, and the trailing nul byte is sent
+ dpsnprintf(request, sizeof(request), "c\n");
- // search internet
- for (masternum = 0;sv_masters[masternum].name;masternum++)
- {
- if (sv_masters[masternum].string && LHNETADDRESS_FromString(&masteraddress, sv_masters[masternum].string, MASTER_PORT) && LHNETADDRESS_GetAddressType(&masteraddress) == LHNETADDRESS_GetAddressType(LHNET_AddressFromSocket(cl_sockets[i])))
+ // search internet
+ for (masternum = 0;sv_qwmasters[masternum].name;masternum++)
{
- masterquerycount++;
- NetConn_WriteString(cl_sockets[i], request, &masteraddress);
+ if (sv_qwmasters[masternum].string && LHNETADDRESS_FromString(&masteraddress, sv_qwmasters[masternum].string, QWMASTER_PORT) && LHNETADDRESS_GetAddressType(&masteraddress) == LHNETADDRESS_GetAddressType(LHNET_AddressFromSocket(cl_sockets[i])))
+ {
+ if (m_state != m_slist)
+ {
+ char lookupstring[128];
+ LHNETADDRESS_ToString(&masteraddress, lookupstring, sizeof(lookupstring), true);
+ Con_Printf("Querying master %s (resolved from %s)\n", lookupstring, sv_qwmasters[masternum].string);
+ }
+ masterquerycount++;
+ NetConn_Write(cl_sockets[i], request, (int)strlen(request) + 1, &masteraddress);
+ }
}
}
}
// make advertising optional and don't advertise singleplayer games, and
// only send a heartbeat as often as the admin wants
- if (sv.active && sv_public.integer && svs.maxclients >= 2 && (priority > 1 || realtime > nextheartbeattime))
+ if (sv.active && sv_public.integer > 0 && svs.maxclients >= 2 && (priority > 1 || realtime > nextheartbeattime))
{
nextheartbeattime = realtime + sv_heartbeatperiod.value;
for (masternum = 0;sv_masters[masternum].name;masternum++)
- if (sv_masters[masternum].string && LHNETADDRESS_FromString(&masteraddress, sv_masters[masternum].string, MASTER_PORT) && (mysocket = NetConn_ChooseServerSocketForAddress(&masteraddress)))
+ if (sv_masters[masternum].string && sv_masters[masternum].string[0] && LHNETADDRESS_FromString(&masteraddress, sv_masters[masternum].string, DPMASTER_PORT) && (mysocket = NetConn_ChooseServerSocketForAddress(&masteraddress)))
NetConn_WriteString(mysocket, "\377\377\377\377heartbeat DarkPlaces\x0A", &masteraddress);
}
}
-int NetConn_SendToAll(sizebuf_t *data, double blocktime)
-{
- int i, count = 0;
- unsigned char sent[MAX_SCOREBOARD];
-
- memset(sent, 0, sizeof(sent));
-
- // simultaneously wait for the first CanSendMessage and send the message,
- // then wait for a second CanSendMessage (verifying it was received), or
- // the client drops and is no longer counted
- // the loop aborts when either it runs out of clients to send to, or a
- // timeout expires
- blocktime += Sys_DoubleTime();
- do
- {
- count = 0;
- NetConn_ClientFrame();
- NetConn_ServerFrame();
- for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
- {
- if (host_client->netconnection)
- {
- if (NetConn_CanSendMessage(host_client->netconnection))
- {
- if (!sent[i])
- NetConn_SendReliableMessage(host_client->netconnection, data);
- sent[i] = true;
- }
- if (!NetConn_CanSendMessage(host_client->netconnection))
- count++;
- }
- }
- }
- while (count && Sys_DoubleTime() < blocktime);
- return count;
-}
-
static void Net_Heartbeat_f(void)
{
if (sv.active)
void PrintStats(netconn_t *conn)
{
- Con_Printf("address=%21s canSend=%u sendSeq=%6u recvSeq=%6u\n", conn->address, conn->canSend, conn->sendSequence, conn->receiveSequence);
+ if ((cls.state == ca_connected && cls.protocol == PROTOCOL_QUAKEWORLD) || (sv.active && sv.protocol == PROTOCOL_QUAKEWORLD))
+ Con_Printf("address=%21s canSend=%u sendSeq=%6u recvSeq=%6u\n", conn->address, !conn->sendMessageLength, conn->qw.outgoing_sequence, conn->qw.incoming_sequence);
+ else
+ Con_Printf("address=%21s canSend=%u sendSeq=%6u recvSeq=%6u\n", conn->address, !conn->sendMessageLength, conn->nq.sendSequence, conn->nq.receiveSequence);
}
void Net_Stats_f(void)
serverlist_sortdescending = false;
if (m_state != m_slist) {
Con_Print("Sending requests to master servers\n");
- ServerList_QueryList();
+ ServerList_QueryList(true, false);
+ serverlist_consoleoutput = true;
+ Con_Print("Listening for replies...\n");
+ } else
+ ServerList_QueryList(true, false);
+}
+
+void Net_SlistQW_f(void)
+{
+ ServerList_ResetMasks();
+ serverlist_sortbyfield = SLIF_PING;
+ serverlist_sortdescending = false;
+ if (m_state != m_slist) {
+ Con_Print("Sending requests to master servers\n");
+ ServerList_QueryList(false, true);
serverlist_consoleoutput = true;
Con_Print("Listening for replies...\n");
} else
- ServerList_QueryList();
+ ServerList_QueryList(false, true);
}
void NetConn_Init(void)
int i;
lhnetaddress_t tempaddress;
netconn_mempool = Mem_AllocPool("network connections", 0, NULL);
- Cmd_AddCommand("net_stats", Net_Stats_f);
- Cmd_AddCommand("net_slist", Net_Slist_f);
- Cmd_AddCommand("heartbeat", Net_Heartbeat_f);
+ Cmd_AddCommand("net_stats", Net_Stats_f, "print network statistics");
+ Cmd_AddCommand("net_slist", Net_Slist_f, "query dp master servers and print all server information");
+ Cmd_AddCommand("net_slistqw", Net_SlistQW_f, "query qw master servers and print all server information");
+ Cmd_AddCommand("heartbeat", Net_Heartbeat_f, "send a heartbeat to the master server (updates your server information)");
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);
+ Cvar_RegisterVariable(&net_connectfloodblockingtimeout);
Cvar_RegisterVariable(&cl_netlocalping);
Cvar_RegisterVariable(&cl_netpacketloss);
Cvar_RegisterVariable(&hostname);
Cvar_RegisterVariable(&sv_heartbeatperiod);
for (i = 0;sv_masters[i].name;i++)
Cvar_RegisterVariable(&sv_masters[i]);
+ Cvar_RegisterVariable(&gameversion);
// COMMANDLINEOPTION: Server: -ip <ipaddress> sets the ip address of this machine for purposes of networking (default 0.0.0.0 also known as INADDR_ANY), use only if you have multiple network adapters and need to choose one specifically.
if ((i = COM_CheckParm("-ip")) && i + 1 < com_argc)
{
if (LHNETADDRESS_FromString(&tempaddress, com_argv[i + 1], 0) == 1)
{
- Con_Printf("-ip option used, setting net_address to \"%s\"\n");
+ Con_Printf("-ip option used, setting net_address to \"%s\"\n", com_argv[i + 1]);
Cvar_SetQuick(&net_address, com_argv[i + 1]);
}
else