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engine/engine/server/sv_cluster.c

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#include "quakedef.h"
#include "netinc.h"
#ifdef SUBSERVERS
#ifdef SQL
#include "sv_sql.h"
#endif
extern cvar_t sv_serverip;
void VARGS SV_RejectMessage(int protocol, char *format, ...);
void MSV_UpdatePlayerStats(unsigned int playerid, unsigned int serverid, int numstats, float *stats);
typedef struct {
//fixme: hash tables
unsigned int playerid;
char name[64];
char guid[64];
char address[64];
link_t allplayers;
// link_t sameserver;
pubsubserver_t *server; //should never be null
} clusterplayer_t;
static pubsubserver_t *subservers;
static link_t clusterplayers;
qboolean isClusterSlave;
unsigned int nextserverid;
static clusterplayer_t *MSV_FindPlayerId(unsigned int playerid)
{
link_t *l;
clusterplayer_t *pl;
FOR_EACH_LINK(l, clusterplayers)
{
pl = STRUCT_FROM_LINK(l, clusterplayer_t, allplayers);
if (pl->playerid == playerid)
return pl;
}
return NULL;
}
static clusterplayer_t *MSV_FindPlayerName(char *playername)
{
link_t *l;
clusterplayer_t *pl;
FOR_EACH_LINK(l, clusterplayers)
{
pl = STRUCT_FROM_LINK(l, clusterplayer_t, allplayers);
if (!strcmp(pl->name, playername))
return pl;
}
return NULL;
}
static void MSV_ServerCrashed(pubsubserver_t *server)
{
link_t *l, *next;
clusterplayer_t *pl;
//forget any players that are meant to be on this server.
for (l = clusterplayers.next ; l != &clusterplayers ; l = next)
{
next = l->next;
pl = STRUCT_FROM_LINK(l, clusterplayer_t, allplayers);
if (pl->server == server)
{
Con_Printf("%s(%s) crashed out\n", pl->name, server->name);
RemoveLink(&pl->allplayers);
Z_Free(pl);
}
}
Z_Free(server);
}
pubsubserver_t *MSV_StartSubServer(unsigned int id, const char *mapname)
{
sizebuf_t send;
char send_buf[64];
pubsubserver_t *s = Sys_ForkServer();
if (s)
{
if (!id)
id = ++nextserverid;
s->id = id;
s->next = subservers;
subservers = s;
Q_strncpyz(s->name, mapname, sizeof(s->name));
memset(&send, 0, sizeof(send));
send.data = send_buf;
send.maxsize = sizeof(send_buf);
send.cursize = 2;
MSG_WriteByte(&send, ccmd_acceptserver);
MSG_WriteLong(&send, s->id);
MSG_WriteString(&send, s->name);
Sys_InstructSlave(s, &send);
}
return s;
}
pubsubserver_t *MSV_FindSubServer(unsigned int id)
{
pubsubserver_t *s;
for (s = subservers; s; s = s->next)
{
if (id == s->id)
return s;
}
return NULL;
}
//"5" finds server 5 only
//"5:" is equivelent to the above
//"5:dm4" finds server 5, and will start it if not known (even if a different node is running the same map)
//"0:dm4" starts a new server running dm4, even if its already running
//":dm4" finds any server running dm4. starts a new one if needed.
//"dm4" is ambiguous, in the case of a map beginning with a number (bah). don't use.
pubsubserver_t *MSV_FindSubServerName(const char *servername)
{
pubsubserver_t *s;
unsigned int id;
qboolean forcenew = false;
char *mapname;
id = strtoul(servername, &mapname, 0);
if (*mapname == ':')
{
if (!id && servername != mapname)
forcenew = true;
mapname++;
}
else if (*mapname)
{
Con_Printf("Invalid node name (lacks colon): %s\n", servername);
mapname = "";
}
if (id)
{
s = MSV_FindSubServer(id);
if (s)
return s;
}
if (*mapname)
{
if (!forcenew)
{
for (s = subservers; s; s = s->next)
{
if (!strcmp(s->name, mapname))
return s;
}
}
return MSV_StartSubServer(id, mapname);
}
return NULL;
}
qboolean MSV_AddressForServer(netadr_t *ret, int natype, pubsubserver_t *s)
{
if (s)
{
if (natype == s->addrv6.type)
*ret = s->addrv6;
else
*ret = s->addrv4;
return true;
}
return false;
}
void MSV_InstructSlave(unsigned int id, sizebuf_t *cmd)
{
pubsubserver_t *s;
if (!id)
{
for (s = subservers; s; s = s->next)
Sys_InstructSlave(s, cmd);
}
else
{
s = MSV_FindSubServer(id);
if (s)
Sys_InstructSlave(s, cmd);
}
}
void SV_SetupNetworkBuffers(qboolean bigcoords);
void MSV_MapCluster_f(void)
{
char *sqlparams[] =
{
"",
"",
"",
"login",
};
//this command will likely be used in configs. don't ever allow subservers to act as entire new clusters
if (SSV_IsSubServer())
return;
#ifndef SERVERONLY
CL_Disconnect();
#endif
if (sv.state)
SV_UnspawnServer();
NET_InitServer();
//child processes return 0 and fall through
memset(&sv, 0, sizeof(sv));
if (atoi(Cmd_Argv(1)))
{
Con_Printf("Opening database \"%s\"\n", sqlparams[3]);
sv.logindatabase = SQL_NewServer("sqlite", sqlparams);
if (sv.logindatabase == -1)
{
SV_UnspawnServer();
Con_Printf("Unable to open account database\n");
return;
}
}
else
{
sv.logindatabase = -1;
Con_Printf("Operating in databaseless mode\n");
}
sv.state = ss_clustermode;
ClearLink(&clusterplayers);
//and for legacy clients, we need some server stuff inited.
SV_SetupNetworkBuffers(false);
SV_UpdateMaxPlayers(32);
}
void SSV_PrintToMaster(char *s)
{
sizebuf_t send;
char send_buf[8192];
memset(&send, 0, sizeof(send));
send.data = send_buf;
send.maxsize = sizeof(send_buf);
send.cursize = 2;
MSG_WriteByte(&send, ccmd_print);
MSG_WriteString(&send, s);
SSV_InstructMaster(&send);
}
void MSV_Status(void)
{
link_t *l;
char bufmem[1024];
pubsubserver_t *s;
clusterplayer_t *pl;
for (s = subservers; s; s = s->next)
{
Con_Printf("%i: %s", s->id, s->name);
if (s->addrv4.type != NA_INVALID)
Con_Printf(" %s", NET_AdrToString(bufmem, sizeof(bufmem), &s->addrv4));
if (s->addrv6.type != NA_INVALID)
Con_Printf(" %s", NET_AdrToString(bufmem, sizeof(bufmem), &s->addrv6));
Con_Printf("\n");
}
FOR_EACH_LINK(l, clusterplayers)
{
pl = STRUCT_FROM_LINK(l, clusterplayer_t, allplayers);
Con_Printf("%i(%s): (%s) %s (%s)\n", pl->playerid, pl->server->name, pl->guid, pl->name, pl->address);
}
}
void MSV_SubServerCommand_f(void)
{
sizebuf_t buf;
char bufmem[1024];
pubsubserver_t *s;
int id;
char *c;
if (Cmd_Argc() == 1)
{
Con_Printf("Active servers on this cluster:\n");
for (s = subservers; s; s = s->next)
{
Con_Printf("%i: %s", s->id, s->name);
if (s->addrv4.type != NA_INVALID)
Con_Printf(" %s", NET_AdrToString(bufmem, sizeof(bufmem), &s->addrv4));
if (s->addrv6.type != NA_INVALID)
Con_Printf(" %s", NET_AdrToString(bufmem, sizeof(bufmem), &s->addrv6));
Con_Printf("\n");
}
return;
}
if (!strcmp(Cmd_Argv(0), "ssv_all"))
id = 0;
else
{
id = atoi(Cmd_Argv(1));
Cmd_ShiftArgs(1, false);
}
buf.data = bufmem;
buf.maxsize = sizeof(bufmem);
buf.cursize = 2;
buf.packing = SZ_RAWBYTES;
c = Cmd_Args();
MSG_WriteByte(&buf, ccmd_stuffcmd);
MSG_WriteString(&buf, c);
buf.data[0] = buf.cursize & 0xff;
buf.data[1] = (buf.cursize>>8) & 0xff;
MSV_InstructSlave(id, &buf);
}
void MSV_ReadFromSubServer(pubsubserver_t *s)
{
sizebuf_t send;
qbyte send_buf[MAX_QWMSGLEN];
netadr_t adr;
char *str;
int c;
c = MSG_ReadByte();
switch(c)
{
default:
case ccmd_bad:
Sys_Error("Corrupt message (%i) from SubServer %i:%s", c, s->id, s->name);
break;
case ccmd_print:
Con_Printf("^6%i(%s)^7: %s", s->id, s->name, MSG_ReadString());
break;
case ccmd_saveplayer:
{
clusterplayer_t *pl;
float stats[NUM_SPAWN_PARMS];
int i;
unsigned char reason = MSG_ReadByte();
unsigned int plid = MSG_ReadLong();
int numstats = MSG_ReadByte();
numstats = min(numstats, NUM_SPAWN_PARMS);
for (i = 0; i < numstats; i++)
stats[i] = MSG_ReadFloat();
pl = MSV_FindPlayerId(plid);
if (!pl)
{
Con_Printf("player %u(%s) does not exist!\n", plid, s->name);
return;
}
//player already got taken by a different server, don't save stale data.
if (reason && pl->server != s)
return;
MSV_UpdatePlayerStats(plid, s->id, numstats, stats);
switch (reason)
{
case 0: //server reports that it accepted the player
if (pl->server && pl->server != s)
{ //let the previous server know
sizebuf_t send;
qbyte send_buf[64];
memset(&send, 0, sizeof(send));
send.data = send_buf;
send.maxsize = sizeof(send_buf);
send.cursize = 2;
MSG_WriteByte(&send, ccmd_transferedplayer);
MSG_WriteLong(&send, s->id);
MSG_WriteLong(&send, plid);
Sys_InstructSlave(pl->server, &send);
}
pl->server = s;
break;
case 2: //drop
case 3: //transfer abort
if (pl->server == s)
{
Con_Printf("%s(%s) dropped\n", pl->name, s->name);
RemoveLink(&pl->allplayers);
Z_Free(pl);
}
break;
}
}
break;
case ccmd_transferplayer:
{ //server is offering a player to another server
char guid[64];
char mapname[64];
char plnamebuf[64];
int plid = MSG_ReadLong();
char *plname = MSG_ReadStringBuffer(plnamebuf, sizeof(plnamebuf));
char *newmap = MSG_ReadStringBuffer(mapname, sizeof(mapname));
char *claddr = MSG_ReadString();
char *clguid = MSG_ReadStringBuffer(guid, sizeof(guid));
pubsubserver_t *toptr;
memset(&send, 0, sizeof(send));
send.data = send_buf;
send.maxsize = sizeof(send_buf);
send.cursize = 2;
if (NULL!=(toptr=MSV_FindSubServerName(newmap)) && s != toptr)
{
// Con_Printf("Transfer to %i:%s\n", toptr->id, toptr->name);
MSG_WriteByte(&send, ccmd_takeplayer);
MSG_WriteLong(&send, plid);
MSG_WriteString(&send, plname);
MSG_WriteLong(&send, s->id);
MSG_WriteString(&send, claddr);
MSG_WriteString(&send, clguid);
c = MSG_ReadByte();
MSG_WriteByte(&send, c);
// Con_Printf("Transfer %i stats\n", c);
while(c--)
MSG_WriteFloat(&send, MSG_ReadFloat());
Sys_InstructSlave(toptr, &send);
}
else
{
//suck up the stats
c = MSG_ReadByte();
while(c--)
MSG_ReadFloat();
// Con_Printf("Transfer abort\n");
MSG_WriteByte(&send, ccmd_tookplayer);
MSG_WriteLong(&send, s->id);
MSG_WriteLong(&send, plid);
MSG_WriteString(&send, "");
Sys_InstructSlave(s, &send);
}
}
break;
case ccmd_tookplayer:
{ //server has space, and wants the client.
int to = MSG_ReadLong();
int plid = MSG_ReadLong();
char *claddr = MSG_ReadString();
char *rmsg;
netadr_t cladr;
netadr_t svadr;
char adrbuf[256];
// Con_Printf("Took player\n");
memset(&send, 0, sizeof(send));
send.data = send_buf;
send.maxsize = sizeof(send_buf);
send.cursize = 2;
NET_StringToAdr(claddr, 0, &cladr);
MSV_AddressForServer(&svadr, cladr.type, s);
if (!to)
{
if (svadr.type != NA_INVALID)
{
rmsg = va("fredir\n%s", NET_AdrToString(adrbuf, sizeof(adrbuf), &svadr));
Netchan_OutOfBand (NS_SERVER, &cladr, strlen(rmsg), (qbyte *)rmsg);
}
}
else
{
MSG_WriteByte(&send, ccmd_tookplayer);
MSG_WriteLong(&send, s->id);
MSG_WriteLong(&send, plid);
MSG_WriteString(&send, NET_AdrToString(adrbuf, sizeof(adrbuf), &svadr));
MSV_InstructSlave(to, &send);
}
}
break;
case ccmd_serveraddress:
s->addrv4.type = NA_INVALID;
s->addrv6.type = NA_INVALID;
str = MSG_ReadString();
Q_strncpyz(s->name, str, sizeof(s->name));
for (;;)
{
str = MSG_ReadString();
if (!*str)
break;
if (NET_StringToAdr(str, 0, &adr))
{
if (adr.type == NA_IP && s->addrv4.type == NA_INVALID)
s->addrv4 = adr;
if (adr.type == NA_IPV6 && s->addrv6.type == NA_INVALID)
s->addrv6 = adr;
}
}
Con_Printf("%i:%s: restarted\n", s->id, s->name);
break;
case ccmd_stringcmd:
{
char dest[1024];
char from[1024];
char cmd[1024];
char info[1024];
MSG_ReadStringBuffer(dest, sizeof(dest));
MSG_ReadStringBuffer(from, sizeof(from));
MSG_ReadStringBuffer(cmd, sizeof(cmd));
MSG_ReadStringBuffer(info, sizeof(info));
memset(&send, 0, sizeof(send));
send.data = send_buf;
send.maxsize = sizeof(send_buf);
send.cursize = 2;
MSG_WriteByte(&send, ccmd_stringcmd);
MSG_WriteString(&send, dest);
MSG_WriteString(&send, from);
MSG_WriteString(&send, cmd);
MSG_WriteString(&send, info);
if (!*dest) //broadcast if no dest
{
for (s = subservers; s; s = s->next)
Sys_InstructSlave(s, &send);
}
else if (*dest == '\\')
{
//send to a specific server (backslashes should not be valid in infostrings, and thus not in names.
//FIXME: broadcasting for now.
for (s = subservers; s; s = s->next)
Sys_InstructSlave(s, &send);
}
else
{
//send it to the server that the player is currently on.
clusterplayer_t *pl = MSV_FindPlayerName(dest);
if (pl)
Sys_InstructSlave(pl->server, &send);
else if (!pl && strncmp(cmd, "error:", 6))
{
//player not found. send it back to the sender, but add an error prefix.
send.cursize = 2;
MSG_WriteByte(&send, ccmd_stringcmd);
MSG_WriteString(&send, from);
MSG_WriteString(&send, dest);
SZ_Write(&send, "error:", 6);
MSG_WriteString(&send, cmd);
MSG_WriteString(&send, info);
Sys_InstructSlave(s, &send);
}
}
}
break;
}
if (msg_readcount != net_message.cursize || msg_badread)
Sys_Error("Master: Readcount isn't right (%i)\n", net_message.data[0]);
}
void MSV_PollSlaves(void)
{
pubsubserver_t **link, *s;
for (link = &subservers; (s=*link); )
{
switch(Sys_SubServerRead(s))
{
case -1:
//error - server is dead and needs to be freed.
*link = s->next;
MSV_ServerCrashed(s);
break;
case 0:
//no messages
link = &s->next;
break;
case 1:
//got a message. read it and see if there's more.
MSV_ReadFromSubServer(s);
break;
}
}
}
void SSV_ReadFromControlServer(void)
{
int c;
char *s;
c = MSG_ReadByte();
switch(c)
{
case ccmd_bad:
default:
SV_Error("Invalid message from cluster (%i)\n", c);
break;
case ccmd_stuffcmd:
s = MSG_ReadString();
SV_BeginRedirect(RD_MASTER, 0);
Cmd_ExecuteString(s, RESTRICT_LOCAL);
SV_EndRedirect();
break;
case ccmd_acceptserver:
svs.clusterserverid = MSG_ReadLong();
s = MSG_ReadString();
if (*s && !strchr(s, ';') && !strchr(s, '\n') && !strchr(s, '\"')) //sanity check the argument
Cmd_ExecuteString(va("map \"%s\"", s), RESTRICT_LOCAL);
if (svprogfuncs && pr_global_ptrs->serverid)
*pr_global_ptrs->serverid = svs.clusterserverid;
break;
case ccmd_tookplayer:
{
client_t *cl = NULL;
int to = MSG_ReadLong();
int plid = MSG_ReadLong();
char *addr = MSG_ReadString();
int i;
Con_Printf("%s: got tookplayer\n", sv.name);
for (i = 0; i < svs.allocated_client_slots; i++)
{
if (svs.clients[i].state && svs.clients[i].userid == plid)
{
cl = &svs.clients[i];
break;
}
}
if (cl)
{
if (!*addr)
{
Con_Printf("%s: tookplayer: failed\n", sv.name);
Info_SetValueForStarKey(cl->userinfo, "*transfer", "", sizeof(cl->userinfo));
}
else
{
Con_Printf("%s: tookplayer: do transfer\n", sv.name);
// SV_StuffcmdToClient(cl, va("connect \"%s\"\n", addr));
SV_StuffcmdToClient(cl, va("cl_transfer \"%s\"\n", addr));
cl->redirect = 2;
}
}
else
Con_Printf("%s: tookplayer: invalid player.\n", sv.name);
}
break;
case ccmd_transferedplayer:
{
client_t *cl;
char *to;
int toserver = MSG_ReadLong();
int playerid = MSG_ReadLong();
int i;
for (i = 0; i < svs.allocated_client_slots; i++)
{
if (svs.clients[i].userid == playerid && svs.clients[i].state >= cs_loadzombie)
{
cl = &svs.clients[i];
cl->drop = true;
to = Info_ValueForKey(cl->userinfo, "*transfer");
Con_Printf("%s transfered to %s\n", cl->name, to);
break;
}
}
}
break;
case ccmd_takeplayer:
{
client_t *cl = NULL;
int i, j;
float stat;
char guid[64], name[64];
int plid = MSG_ReadLong();
char *plname = MSG_ReadStringBuffer(name, sizeof(name));
int fromsv = MSG_ReadLong();
char *claddr = MSG_ReadString();
char *clguid = MSG_ReadStringBuffer(guid, sizeof(guid));
if (sv.state >= ss_active)
{
for (i = 0; i < svs.allocated_client_slots; i++)
{
if (!svs.clients[i].state || (svs.clients[i].userid == plid && svs.clients[i].state >= cs_loadzombie))
{
cl = &svs.clients[i];
break;
}
}
}
// Con_Printf("%s: takeplayer\n", sv.name);
if (cl)
{
cl->userid = plid;
if (cl->state == cs_loadzombie && cl->istobeloaded)
cl->connection_started = realtime+20; //renew the slot
else if (!cl->state)
{ //allocate a new pending player.
cl->state = cs_loadzombie;
cl->connection_started = realtime+20;
Q_strncpyz(cl->guid, clguid, sizeof(cl->guid));
Q_strncpyz(cl->namebuf, plname, sizeof(cl->namebuf));
cl->name = cl->namebuf;
sv.spawned_client_slots++;
memset(&cl->netchan, 0, sizeof(cl->netchan));
SV_GetNewSpawnParms(cl);
}
//else: already on the server somehow. laggy/dupe request? must be.
}
else
{
Con_Printf("%s: server full!\n", sv.name);
}
j = MSG_ReadByte();
// Con_Printf("%s: %i stats\n", sv.name, j);
for (i = 0; i < j; i++)
{
stat = MSG_ReadFloat();
if (cl && cl->state == cs_loadzombie && i < NUM_SPAWN_PARMS)
cl->spawn_parms[i] = stat;
}
{
sizebuf_t send;
qbyte send_buf[MAX_QWMSGLEN];
memset(&send, 0, sizeof(send));
send.data = send_buf;
send.maxsize = sizeof(send_buf);
send.cursize = 2;
if (cl)
{
MSG_WriteByte(&send, ccmd_tookplayer);
MSG_WriteLong(&send, fromsv);
MSG_WriteLong(&send, plid);
MSG_WriteString(&send, claddr);
SSV_InstructMaster(&send);
}
}
}
break;
case ccmd_stringcmd:
{
char dest[1024];
char from[1024];
char cmd[1024];
char info[1024];
int i;
client_t *cl;
MSG_ReadStringBuffer(dest, sizeof(dest));
MSG_ReadStringBuffer(from, sizeof(from));
MSG_ReadStringBuffer(cmd, sizeof(cmd));
MSG_ReadStringBuffer(info, sizeof(info));
if (!PR_ParseClusterEvent(dest, from, cmd, info))
{
//meh, lets make some lame fallback thing
for (i = 0; i < sv.allocated_client_slots; i++)
{
cl = &svs.clients[i];
if (cl->state >= ca_connected)
if (!*dest || !strcmp(dest, cl->name))
{
if (!strcmp(cmd, "say"))
SV_PrintToClient(cl, PRINT_HIGH, va("^[%s^]: %s\n", from, info));
else if (!strcmp(cmd, "join"))
{
SV_PrintToClient(cl, PRINT_HIGH, va("^[%s^] is joining you\n", from));
SSV_Send(from, cl->name, "joinnode", va("%i", svs.clusterserverid));
}
else if (!strcmp(cmd, "joinnode"))
{
SSV_InitiatePlayerTransfer(cl, info);
}
else
SV_PrintToClient(cl, PRINT_HIGH, va("%s from [%s]: %s\n", cmd, from, info));
if (*dest)
break;
}
}
}
}
break;
}
if (msg_readcount != net_message.cursize || msg_badread)
Sys_Error("Subserver: Readcount isn't right (%i)\n", net_message.data[0]);
}
void SSV_UpdateAddresses(void)
{
char buf[256];
netadr_t addr[64];
struct ftenet_generic_connection_s *con[sizeof(addr)/sizeof(addr[0])];
int flags[sizeof(addr)/sizeof(addr[0])];
int count;
sizebuf_t send;
qbyte send_buf[MAX_QWMSGLEN];
int i;
if (!SSV_IsSubServer())
return;
count = NET_EnumerateAddresses(svs.sockets, con, flags, addr, sizeof(addr)/sizeof(addr[0]));
if (*sv_serverip.string)
{
for (i = 0; i < count; i++)
{
if (addr[i].type == NA_IP)
{
NET_StringToAdr2(sv_serverip.string, BigShort(addr[i].port), &addr[0], sizeof(addr)/sizeof(addr[0]));
count = 1;
break;
}
}
}
memset(&send, 0, sizeof(send));
send.data = send_buf;
send.maxsize = sizeof(send_buf);
send.cursize = 2;
MSG_WriteByte(&send, ccmd_serveraddress);
MSG_WriteString(&send, sv.name);
for (i = 0; i < count; i++)
MSG_WriteString(&send, NET_AdrToString(buf, sizeof(buf), &addr[i]));
MSG_WriteByte(&send, 0);
SSV_InstructMaster(&send);
}
void SSV_SavePlayerStats(client_t *cl, int reason)
{
//called when the *transfer userinfo gets set to the new map
sizebuf_t send;
qbyte send_buf[MAX_QWMSGLEN];
int i;
if (!SSV_IsSubServer())
return;
if ((reason == 1 || reason == 2) && cl->edict)
SV_SaveSpawnparmsClient(cl, NULL);
memset(&send, 0, sizeof(send));
send.data = send_buf;
send.maxsize = sizeof(send_buf);
send.cursize = 2;
MSG_WriteByte(&send, ccmd_saveplayer);
MSG_WriteByte(&send, reason);
MSG_WriteLong(&send, cl->userid);
MSG_WriteByte(&send, NUM_SPAWN_PARMS);
for (i = 0; i < NUM_SPAWN_PARMS; i++)
{
MSG_WriteFloat(&send, cl->spawn_parms[i]);
}
SSV_InstructMaster(&send);
}
void SSV_Send(const char *dest, const char *src, const char *cmd, const char *msg)
{
//called when the *transfer userinfo gets set to the new map
sizebuf_t send;
qbyte send_buf[MAX_QWMSGLEN];
if (!SSV_IsSubServer())
return;
memset(&send, 0, sizeof(send));
send.data = send_buf;
send.maxsize = sizeof(send_buf);
send.cursize = 2;
MSG_WriteByte(&send, ccmd_stringcmd);
MSG_WriteString(&send, dest?dest:"");
MSG_WriteString(&send, src?src:"");
MSG_WriteString(&send, cmd?cmd:"");
MSG_WriteString(&send, msg?msg:"");
SSV_InstructMaster(&send);
}
void SSV_InitiatePlayerTransfer(client_t *cl, const char *newserver)
{
//called when the *transfer userinfo gets set to the new map
sizebuf_t send;
qbyte send_buf[MAX_QWMSGLEN];
int i;
char tmpbuf[256];
float parms[NUM_SPAWN_PARMS];
SV_SaveSpawnparmsClient(cl, parms);
memset(&send, 0, sizeof(send));
send.data = send_buf;
send.maxsize = sizeof(send_buf);
send.cursize = 2;
MSG_WriteByte(&send, ccmd_transferplayer);
MSG_WriteLong(&send, cl->userid);
MSG_WriteString(&send, cl->name);
MSG_WriteString(&send, newserver);
MSG_WriteString(&send, NET_AdrToString(tmpbuf, sizeof(tmpbuf), &cl->netchan.remote_address));
MSG_WriteString(&send, cl->guid);
//stats
MSG_WriteByte(&send, NUM_SPAWN_PARMS);
for (i = 0; i < NUM_SPAWN_PARMS; i++)
{
MSG_WriteFloat(&send, parms[i]);
}
SSV_InstructMaster(&send);
}
#ifdef SQL
#include "sv_sql.h"
int pendinglookups = 0;
struct logininfo_s
{
netadr_t clientaddr;
char guid[64];
char name[64];
};
#endif
qboolean SV_IgnoreSQLResult(queryrequest_t *req, int firstrow, int numrows, int numcols, qboolean eof)
{
return false;
}
void MSV_UpdatePlayerStats(unsigned int playerid, unsigned int serverid, int numstats, float *stats)
{
queryrequest_t *req;
sqlserver_t *srv;
static char hex[16] = "0123456789abcdef";
char sql[2048], *sqle;
union{float *f;qbyte *b;} blob;
if (sv.logindatabase != -1)
{
Q_snprintfz(sql, sizeof(sql), "UPDATE accounts SET stats=x'");
sqle = sql+strlen(sql);
for (blob.f = stats, numstats*=4; numstats--; blob.b++)
{
*sqle++ = hex[*blob.b>>4];
*sqle++ = hex[*blob.b&15];
}
Q_snprintfz(sqle, sizeof(sql)-(sqle-sql), "', serverid=%u WHERE playerid = %u;", serverid, playerid);
srv = SQL_GetServer(sv.logindatabase, false);
if (srv)
SQL_NewQuery(srv, SV_IgnoreSQLResult, sql, &req);
}
}
qboolean MSV_ClusterLoginReply(netadr_t *legacyclientredirect, unsigned int serverid, unsigned int playerid, char *playername, char *clientguid, netadr_t *clientaddr, void *statsblob, size_t statsblobsize)
{
char tmpbuf[256];
netadr_t serveraddr;
pubsubserver_t *s = NULL;
if (!s)
s = MSV_FindSubServerName(":start");
if (!s || !MSV_AddressForServer(&serveraddr, clientaddr->type, s))
SV_RejectMessage(SCP_QUAKEWORLD, "Unable to find lobby.\n");
else
{
sizebuf_t send;
qbyte send_buf[MAX_QWMSGLEN];
clusterplayer_t *pl;
memset(&send, 0, sizeof(send));
send.data = send_buf;
send.maxsize = sizeof(send_buf);
send.cursize = 2;
pl = Z_Malloc(sizeof(*pl));
Q_strncpyz(pl->name, playername, sizeof(pl->name));
Q_strncpyz(pl->guid, clientguid, sizeof(pl->guid));
NET_AdrToString(pl->address, sizeof(pl->address), clientaddr);
pl->playerid = playerid;
InsertLinkBefore(&pl->allplayers, &clusterplayers);
pl->server = s;
MSG_WriteByte(&send, ccmd_takeplayer);
MSG_WriteLong(&send, playerid);
MSG_WriteString(&send, pl->name);
MSG_WriteLong(&send, 0); //from server
MSG_WriteString(&send, NET_AdrToString(tmpbuf, sizeof(tmpbuf), &net_from));
MSG_WriteString(&send, clientguid);
MSG_WriteByte(&send, statsblobsize/4);
SZ_Write(&send, statsblob, statsblobsize&~3);
Sys_InstructSlave(s, &send);
if (serveraddr.type == NA_INVALID)
{
if (net_from.type != NA_LOOPBACK)
SV_RejectMessage(SCP_QUAKEWORLD, "Starting instance.\n");
}
else if (legacyclientredirect)
{
*legacyclientredirect = serveraddr;
return true;
}
else
{
char *s = va("fredir\n%s", NET_AdrToString(tmpbuf, sizeof(tmpbuf), &serveraddr));
Netchan_OutOfBand (NS_SERVER, clientaddr, strlen(s), (qbyte *)s);
return true;
}
}
return false;
}
qboolean MSV_ClusterLoginSQLResult(queryrequest_t *req, int firstrow, int numrows, int numcols, qboolean eof)
{
sqlserver_t *sql = SQL_GetServer(req->srvid, true);
queryresult_t *res = SQL_GetQueryResult(sql, req->num, 0);
struct logininfo_s *info = req->user.thread;
char *s;
int playerid, serverid;
char *statsblob;
size_t blobsize;
res = SQL_GetQueryResult(sql, req->num, 0);
if (!res)
{
playerid = 0;
statsblob = NULL;
blobsize = 0;
serverid = 0;
}
else
{
s = SQL_ReadField(sql, res, 0, 0, true, NULL);
playerid = atoi(s);
statsblob = SQL_ReadField(sql, res, 0, 2, true, &blobsize);
s = SQL_ReadField(sql, res, 0, 1, true, NULL);
serverid = s?atoi(s):0;
}
net_from = info->clientaddr; //okay, that's a bit stupid, rewrite rejectmessage to accept an arg?
if (!playerid)
SV_RejectMessage(SCP_QUAKEWORLD, "Bad username or password.\n");
else
MSV_ClusterLoginReply(NULL, serverid, playerid, info->name, info->guid, &info->clientaddr, statsblob, blobsize);
Z_Free(info);
pendinglookups--;
return false;
}
//returns true to block entry to this server.
extern int nextuserid;
qboolean MSV_ClusterLogin(char *guid, char *userinfo, size_t userinfosize)
{
char escname[64], escpasswd[64];
sqlserver_t *sql;
queryrequest_t *req;
struct logininfo_s *info;
if (sv.state != ss_clustermode)
return false;
/*if (!*guid)
{
SV_RejectMessage(SCP_QUAKEWORLD, "No guid info, please set cl_sendguid to 1.\n");
return false;
}*/
if (sv.logindatabase != -1)
{
if (pendinglookups > 10)
return true;
sql = SQL_GetServer(sv.logindatabase, false);
if (!sql)
return true;
SQL_Escape(sql, Info_ValueForKey(userinfo, "name"), escname, sizeof(escname));
SQL_Escape(sql, Info_ValueForKey(userinfo, "password"), escpasswd, sizeof(escpasswd));
if (SQL_NewQuery(sql, MSV_ClusterLoginSQLResult, va("SELECT playerid,serverid,stats FROM accounts WHERE name='%s' AND password='%s';", escname, escpasswd), &req) != -1)
{
pendinglookups++;
req->user.thread = info = Z_Malloc(sizeof(*info));
Q_strncpyz(info->guid, guid, sizeof(info->guid));
info->clientaddr = net_from;
}
}
/* else if (0)
{
char tmpbuf[256];
netadr_t redir;
if (MSV_ClusterLoginReply(&redir, 0, nextuserid++, guid, &net_from, NULL, 0))
{
Info_SetValueForStarKey(userinfo, "*redirect", NET_AdrToString(tmpbuf, sizeof(tmpbuf), &redir), userinfosize);
return false;
}
return true;
}*/
else
MSV_ClusterLoginReply(NULL, 0, ++nextuserid, Info_ValueForKey(userinfo, "name"), guid, &net_from, NULL, 0);
return true;
}
#endif
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