]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - netconn.c
added COMMANDLINEOPTION comments for every commandline option, these will be listed...
[xonotic/darkplaces.git] / netconn.c
index df9e8b6a3c8666147c0022e4a18bf3e88b7e31cc..703395d12fb287a186f395286d38bcf9c0a93a97 100755 (executable)
--- a/netconn.c
+++ b/netconn.c
@@ -34,7 +34,8 @@ static cvar_t sv_masters [] =
        {CVAR_SAVE, "sv_master2", ""},
        {CVAR_SAVE, "sv_master3", ""},
        {CVAR_SAVE, "sv_master4", ""},
-       {0, "sv_masterextra1", "69.59.212.88"},
+       {0, "sv_masterextra1", "ghdigital.com"},
+       {0, "sv_masterextra2", "dpmaster.deathmask.net"},
        {0, NULL, NULL}
 };
 
@@ -48,12 +49,12 @@ 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 cl_fakelocalping_min = {0, "cl_fakelocalping_min","0"};
-cvar_t cl_fakelocalping_max = {0, "cl_fakelocalping_max","0"};
-static cvar_t cl_fakepacketloss_receive = {0, "cl_fakepacketloss_receive","0"};
-static cvar_t cl_fakepacketloss_send = {0, "cl_fakepacketloss_send","0"};
-static cvar_t sv_fakepacketloss_receive = {0, "sv_fakepacketloss_receive","0"};
-static cvar_t sv_fakepacketloss_send = {0, "sv_fakepacketloss_send","0"};
+cvar_t cl_netlocalping_min = {0, "cl_netlocalping_min","0"};
+cvar_t cl_netlocalping_max = {0, "cl_netlocalping_max","0"};
+static cvar_t cl_netpacketloss_receive = {0, "cl_netpacketloss_receive","0"};
+static cvar_t cl_netpacketloss_send = {0, "cl_netpacketloss_send","0"};
+static cvar_t sv_netpacketloss_receive = {0, "sv_netpacketloss_receive","0"};
+static cvar_t sv_netpacketloss_send = {0, "sv_netpacketloss_send","0"};
 
 
 /* statistic counters */
@@ -77,8 +78,8 @@ int serverreplycount = 0;
 int hostCacheCount = 0;
 hostcache_t hostcache[HOSTCACHESIZE];
 
-static qbyte sendbuffer[NET_MAXMESSAGE];
-static qbyte readbuffer[NET_MAXMESSAGE];
+static qbyte sendbuffer[NET_HEADERSIZE+NET_MAXMESSAGE];
+static qbyte readbuffer[NET_HEADERSIZE+NET_MAXMESSAGE];
 
 int cl_numsockets;
 lhnetsocket_t *cl_sockets[16];
@@ -89,24 +90,21 @@ netconn_t *netconn_list = NULL;
 mempool_t *netconn_mempool = NULL;
 
 cvar_t cl_netport = {0, "cl_port", "0"};
-cvar_t cl_netaddress = {0, "cl_netaddress", "0.0.0.0"};
-cvar_t cl_netaddress_ipv6 = {0, "cl_netaddress_ipv6", "[0:0:0:0:0:0:0:0]:0"};
-
 cvar_t sv_netport = {0, "port", "26000"};
-cvar_t sv_netaddress = {0, "sv_netaddress", "0.0.0.0"};
-cvar_t sv_netaddress_ipv6 = {0, "sv_netaddress_ipv6", "[0:0:0:0:0:0:0:0]: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]"};
 
 int NetConn_Read(lhnetsocket_t *mysocket, void *data, int maxlength, lhnetaddress_t *peeraddress)
 {
        int length = LHNET_Read(mysocket, data, maxlength, peeraddress);
        int i;
-       if (cl_fakepacketloss_receive.integer)
+       if (cl_netpacketloss_receive.integer)
                for (i = 0;i < cl_numsockets;i++)
-                       if (cl_sockets[i] == mysocket && (rand() % 100) < cl_fakepacketloss_receive.integer)
+                       if (cl_sockets[i] == mysocket && (rand() % 100) < cl_netpacketloss_receive.integer)
                                return 0;
-       if (sv_fakepacketloss_receive.integer)
+       if (sv_netpacketloss_receive.integer)
                for (i = 0;i < cl_numsockets;i++)
-                       if (sv_sockets[i] == mysocket && (rand() % 100) < sv_fakepacketloss_receive.integer)
+                       if (sv_sockets[i] == mysocket && (rand() % 100) < sv_netpacketloss_receive.integer)
                                return 0;
        if (developer_networking.integer && length != 0)
        {
@@ -128,13 +126,13 @@ int NetConn_Write(lhnetsocket_t *mysocket, const void *data, int length, const l
 {
        int ret;
        int i;
-       if (cl_fakepacketloss_send.integer)
+       if (cl_netpacketloss_send.integer)
                for (i = 0;i < cl_numsockets;i++)
-                       if (cl_sockets[i] == mysocket && (rand() % 100) < cl_fakepacketloss_send.integer)
+                       if (cl_sockets[i] == mysocket && (rand() % 100) < cl_netpacketloss_send.integer)
                                return length;
-       if (sv_fakepacketloss_send.integer)
+       if (sv_netpacketloss_send.integer)
                for (i = 0;i < cl_numsockets;i++)
-                       if (sv_sockets[i] == mysocket && (rand() % 100) < sv_fakepacketloss_send.integer)
+                       if (sv_sockets[i] == mysocket && (rand() % 100) < sv_netpacketloss_send.integer)
                                return length;
        ret = LHNET_Write(mysocket, data, length, peeraddress);
        if (developer_networking.integer)
@@ -165,8 +163,8 @@ int NetConn_SendReliableMessage(netconn_t *conn, sizebuf_t *data)
        if (data->cursize == 0)
                Sys_Error("Datagram_SendMessage: zero length message\n");
 
-       if (data->cursize > NET_MAXMESSAGE)
-               Sys_Error("Datagram_SendMessage: message too big %u\n", data->cursize);
+       if (data->cursize > (int)sizeof(conn->sendMessage))
+               Sys_Error("Datagram_SendMessage: message too big (%u > %u)\n", data->cursize, sizeof(conn->sendMessage));
 
        if (conn->canSend == false)
                Sys_Error("SendMessage: called with canSend == false\n");
@@ -191,7 +189,7 @@ int NetConn_SendReliableMessage(netconn_t *conn, sizebuf_t *data)
        header = (void *)sendbuffer;
        header[0] = BigLong(packetLen | (NETFLAG_DATA | eom));
        header[1] = BigLong(conn->sendSequence);
-       memcpy(sendbuffer + 8, conn->sendMessage, dataLen);
+       memcpy(sendbuffer + NET_HEADERSIZE, conn->sendMessage, dataLen);
 
        conn->sendSequence++;
        conn->canSend = false;
@@ -230,7 +228,7 @@ static void NetConn_SendMessageNext(netconn_t *conn)
                header = (void *)sendbuffer;
                header[0] = BigLong(packetLen | (NETFLAG_DATA | eom));
                header[1] = BigLong(conn->sendSequence);
-               memcpy(sendbuffer + 8, conn->sendMessage, dataLen);
+               memcpy(sendbuffer + NET_HEADERSIZE, conn->sendMessage, dataLen);
 
                conn->sendSequence++;
                conn->sendNext = false;
@@ -268,7 +266,7 @@ static void NetConn_ReSendMessage(netconn_t *conn)
                header = (void *)sendbuffer;
                header[0] = BigLong(packetLen | (NETFLAG_DATA | eom));
                header[1] = BigLong(conn->sendSequence - 1);
-               memcpy(sendbuffer + 8, conn->sendMessage, dataLen);
+               memcpy(sendbuffer + NET_HEADERSIZE, conn->sendMessage, dataLen);
 
                conn->sendNext = false;
 
@@ -290,20 +288,20 @@ int NetConn_SendUnreliableMessage(netconn_t *conn, sizebuf_t *data)
        int packetLen;
        int *header;
 
-#ifdef DEBUG
+       packetLen = NET_HEADERSIZE + data->cursize;
+
+//#ifdef DEBUG
        if (data->cursize == 0)
                Sys_Error("Datagram_SendUnreliableMessage: zero length message\n");
 
-       if (data->cursize > MAX_DATAGRAM)
+       if (packetLen > (int)sizeof(sendbuffer))
                Sys_Error("Datagram_SendUnreliableMessage: message too big %u\n", data->cursize);
-#endif
-
-       packetLen = NET_HEADERSIZE + data->cursize;
+//#endif
 
        header = (void *)sendbuffer;
        header[0] = BigLong(packetLen | NETFLAG_UNRELIABLE);
        header[1] = BigLong(conn->unreliableSendSequence);
-       memcpy(sendbuffer + 8, data->data, data->cursize);
+       memcpy(sendbuffer + NET_HEADERSIZE, data->data, data->cursize);
 
        conn->unreliableSendSequence++;
 
@@ -353,9 +351,9 @@ void NetConn_OpenClientPorts(void)
        if (cl_netport.integer != port)
                Cvar_SetValueQuick(&cl_netport, port);
        Con_Printf("Client using port %i\n", port);
-       NetConn_OpenClientPort("local", port);
-       NetConn_OpenClientPort(cl_netaddress.string, port);
-       NetConn_OpenClientPort(cl_netaddress_ipv6.string, port);
+       NetConn_OpenClientPort("local:2", 0);
+       NetConn_OpenClientPort(net_address.string, port);
+       //NetConn_OpenClientPort(net_address_ipv6.string, port);
 }
 
 void NetConn_CloseServerPorts(void)
@@ -399,11 +397,11 @@ void NetConn_OpenServerPorts(int opennetports)
        if (sv_netport.integer != port)
                Cvar_SetValueQuick(&sv_netport, port);
        if (cls.state != ca_dedicated)
-               NetConn_OpenServerPort("local", port);
+               NetConn_OpenServerPort("local:1", 0);
        if (opennetports)
        {
-               NetConn_OpenServerPort(sv_netaddress.string, port);
-               NetConn_OpenServerPort(sv_netaddress_ipv6.string, port);
+               NetConn_OpenServerPort(net_address.string, port);
+               //NetConn_OpenServerPort(net_address_ipv6.string, port);
        }
        if (sv_numsockets == 0)
                Host_Error("NetConn_OpenServerPorts: unable to open any ports!\n");
@@ -433,6 +431,11 @@ netconn_t *NetConn_Open(lhnetsocket_t *mysocket, lhnetaddress_t *peeraddress)
        conn = Mem_Alloc(netconn_mempool, sizeof(*conn));
        conn->mysocket = mysocket;
        conn->peeraddress = *peeraddress;
+       // updated by receiving "rate" command from client
+       conn->rate = NET_MINRATE;
+       // no limits for local player
+       if (LHNETADDRESS_GetAddressType(peeraddress) == LHNETADDRESSTYPE_LOOP)
+               conn->rate = 1000000000;
        conn->canSend = true;
        conn->connecttime = realtime;
        conn->lastMessageTime = realtime;
@@ -480,7 +483,7 @@ static void NetConn_UpdateServerStuff(void)
                {
                        clientport2 = cl_netport.integer;
                        if (cls.state == ca_connected)
-                               Con_Printf("Changing \"cl_port\" will not take effect until you reconnect.\n");
+                               Con_Print("Changing \"cl_port\" will not take effect until you reconnect.\n");
                }
                if (cls.state == ca_disconnected && clientport != clientport2)
                {
@@ -495,7 +498,7 @@ static void NetConn_UpdateServerStuff(void)
        {
                hostport = sv_netport.integer;
                if (sv.active)
-                       Con_Printf("Changing \"port\" will not take effect until \"map\" command is executed.\n");
+                       Con_Print("Changing \"port\" will not take effect until \"map\" command is executed.\n");
        }
 }
 
@@ -540,7 +543,7 @@ int NetConn_ReceivedMessage(netconn_t *conn, qbyte *data, int length)
                                        }
                                }
                                else
-                                       Con_DPrintf("Got a stale datagram\n");
+                                       Con_DPrint("Got a stale datagram\n");
                                return 1;
                        }
                        else if (flags & NETFLAG_ACK)
@@ -551,7 +554,7 @@ int NetConn_ReceivedMessage(netconn_t *conn, qbyte *data, int length)
                                        {
                                                conn->ackSequence++;
                                                if (conn->ackSequence != conn->sendSequence)
-                                                       Con_DPrintf("ack sequencing error\n");
+                                                       Con_DPrint("ack sequencing error\n");
                                                conn->lastMessageTime = realtime;
                                                conn->timeout = realtime + net_messagetimeout.value;
                                                conn->sendMessageLength -= MAX_PACKETFRAGMENT;
@@ -568,10 +571,10 @@ int NetConn_ReceivedMessage(netconn_t *conn, qbyte *data, int length)
                                                }
                                        }
                                        else
-                                               Con_DPrintf("Duplicate ACK received\n");
+                                               Con_DPrint("Duplicate ACK received\n");
                                }
                                else
-                                       Con_DPrintf("Stale ACK received\n");
+                                       Con_DPrint("Stale ACK received\n");
                                return 1;
                        }
                        else if (flags & NETFLAG_DATA)
@@ -762,7 +765,7 @@ int NetConn_ClientParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length,
                        length -= 18;
                        masterreplycount++;
                        if (m_state != m_slist)
-                               Con_Printf("received server list...\n");
+                               Con_Print("received 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)
                        {
                                snprintf (ipstring, sizeof (ipstring), "%u.%u.%u.%u:%u", data[1], data[2], data[3], data[4], (data[5] << 8) | data[6]);
@@ -797,8 +800,8 @@ int NetConn_ClientParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length,
                                hostcache[n].ping = 100000;
                                hostcache[n].querytime = realtime;
                                // build description strings for the things users care about
-                               snprintf(hostcache[n].line1, sizeof(hostcache[n].line1), "?");
-                               snprintf(hostcache[n].line2, sizeof(hostcache[n].line2), "%s", ipstring);
+                               strlcpy (hostcache[n].line1, "?", sizeof (hostcache[n].line1));
+                               strlcpy (hostcache[n].line2, ipstring, sizeof (hostcache[n].line2));
                                // if not in the slist menu we should print the server to console
                                if (m_state != m_slist)
                                        Con_Printf("querying %s\n", ipstring);
@@ -944,7 +947,7 @@ void NetConn_ClientFrame(void)
                        if (m_state == m_slist)
                                strcpy (m_return_reason, "Connect: Failed");
                        else
-                               Con_Printf("Connect failed\n");
+                               Con_Print("Connect failed\n");
                        return;
                }
                if (cls.connect_nextsendtime)
@@ -952,14 +955,14 @@ void NetConn_ClientFrame(void)
                        if (m_state == m_slist)
                                strcpy (m_return_reason, "Connect: Still trying");
                        else
-                               Con_Printf("Still trying...\n");
+                               Con_Print("Still trying...\n");
                }
                else
                {
                        if (m_state == m_slist)
                                strcpy (m_return_reason, "Connect: Trying");
                        else
-                               Con_Printf("Trying...\n");
+                               Con_Print("Trying...\n");
                }
                cls.connect_nextsendtime = realtime + 1;
                cls.connect_remainingtries--;
@@ -981,8 +984,9 @@ void NetConn_ClientFrame(void)
                        NetConn_ClientParsePacket(cl_sockets[i], readbuffer, length, &peeraddress);
        if (cls.netcon && realtime > cls.netcon->timeout)
        {
-               Con_Printf("Connection timed out\n");
+               Con_Print("Connection timed out\n");
                CL_Disconnect();
+               Host_ShutdownServer (false);
        }
        for (conn = netconn_list;conn;conn = conn->next)
                NetConn_ReSendMessage(conn);
@@ -1115,21 +1119,16 @@ int NetConn_ServerParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length,
                                                                if (clientnum < svs.maxclients)
                                                                {
                                                                        // prepare the client struct
-                                                                       if ((client->entitydatabase4 = EntityFrame4_AllocDatabase(sv_clients_mempool)))
+                                                                       if ((conn = NetConn_Open(mysocket, peeraddress)))
                                                                        {
-                                                                               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
-                                                                                       EntityFrame4_FreeDatabase(client->entitydatabase4);
+                                                                               // 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
@@ -1466,7 +1465,7 @@ void NetConn_QueryMasters(void)
        }
        if (!masterquerycount)
        {
-               Con_Printf("Unable to query master servers, no suitable network sockets active.\n");
+               Con_Print("Unable to query master servers, no suitable network sockets active.\n");
                strcpy(m_return_reason, "No network");
        }
 }
@@ -1544,7 +1543,7 @@ static void Net_Heartbeat_f(void)
        if (sv.active)
                NetConn_Heartbeat(2);
        else
-               Con_Printf("No server running, can not heartbeat to master server.\n");
+               Con_Print("No server running, can not heartbeat to master server.\n");
 }
 
 void PrintStats(netconn_t *conn)
@@ -1564,7 +1563,7 @@ void Net_Stats_f(void)
        Con_Printf("packetsReceived            = %i\n", packetsReceived);
        Con_Printf("receivedDuplicateCount     = %i\n", receivedDuplicateCount);
        Con_Printf("droppedDatagrams           = %i\n", droppedDatagrams);
-       Con_Printf("connections                =\n");
+       Con_Print("connections                =\n");
        for (conn = netconn_list;conn;conn = conn->next)
                PrintStats(conn);
 }
@@ -1579,52 +1578,51 @@ void Net_Slist_f(void)
        hostCacheCount = 0;
        memset(&pingcache, 0, sizeof(pingcache));
        if (m_state != m_slist)
-               Con_Printf("Sending requests to master servers\n");
+               Con_Print("Sending requests to master servers\n");
        NetConn_QueryMasters();
        if (m_state != m_slist)
-               Con_Printf("Listening for replies...\n");
+               Con_Print("Listening for replies...\n");
 }
 
 void NetConn_Init(void)
 {
        int i;
        lhnetaddress_t tempaddress;
-       netconn_mempool = Mem_AllocPool("Networking");
+       netconn_mempool = Mem_AllocPool("Networking", 0, NULL);
        Cmd_AddCommand("net_stats", Net_Stats_f);
        Cmd_AddCommand("net_slist", Net_Slist_f);
        Cmd_AddCommand("heartbeat", Net_Heartbeat_f);
        Cvar_RegisterVariable(&net_messagetimeout);
        Cvar_RegisterVariable(&net_messagerejointimeout);
        Cvar_RegisterVariable(&net_connecttimeout);
-       Cvar_RegisterVariable(&cl_fakelocalping_min);
-       Cvar_RegisterVariable(&cl_fakelocalping_max);
-       Cvar_RegisterVariable(&cl_fakepacketloss_receive);
-       Cvar_RegisterVariable(&cl_fakepacketloss_send);
-       Cvar_RegisterVariable(&sv_fakepacketloss_receive);
-       Cvar_RegisterVariable(&sv_fakepacketloss_send);
+       Cvar_RegisterVariable(&cl_netlocalping_min);
+       Cvar_RegisterVariable(&cl_netlocalping_max);
+       Cvar_RegisterVariable(&cl_netpacketloss_receive);
+       Cvar_RegisterVariable(&cl_netpacketloss_send);
+       Cvar_RegisterVariable(&sv_netpacketloss_receive);
+       Cvar_RegisterVariable(&sv_netpacketloss_send);
        Cvar_RegisterVariable(&hostname);
        Cvar_RegisterVariable(&developer_networking);
        Cvar_RegisterVariable(&cl_netport);
-       Cvar_RegisterVariable(&cl_netaddress);
-       Cvar_RegisterVariable(&cl_netaddress_ipv6);
        Cvar_RegisterVariable(&sv_netport);
-       Cvar_RegisterVariable(&sv_netaddress);
-       Cvar_RegisterVariable(&sv_netaddress_ipv6);
+       Cvar_RegisterVariable(&net_address);
+       //Cvar_RegisterVariable(&net_address_ipv6);
        Cvar_RegisterVariable(&sv_public);
        Cvar_RegisterVariable(&sv_heartbeatperiod);
        for (i = 0;sv_masters[i].name;i++)
                Cvar_RegisterVariable(&sv_masters[i]);
+// COMMANDLINEOPTION: -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 cl_netaddress and sv_netaddress to address \"%s\"\n");
-                       Cvar_SetQuick(&cl_netaddress, com_argv[i + 1]);
-                       Cvar_SetQuick(&sv_netaddress, com_argv[i + 1]);
+                       Con_Printf("-ip option used, setting net_address to \"%s\"\n");
+                       Cvar_SetQuick(&net_address, com_argv[i + 1]);
                }
                else
                        Con_Printf("-ip option used, but unable to parse the address \"%s\"\n", com_argv[i + 1]);
        }
+// COMMANDLINEOPTION: -port <portnumber> sets the port to use for a server (default 26000, the same port as QUAKE itself), useful if you host multiple servers on your machine
        if (((i = COM_CheckParm("-port")) || (i = COM_CheckParm("-ipport")) || (i = COM_CheckParm("-udpport"))) && i + 1 < com_argc)
        {
                i = atoi(com_argv[i + 1]);