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Add a minimum delay between connections

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This commit is contained in:
Louis-Antoine 2020-04-24 14:05:15 +02:00
parent bfb2467796
commit 9ec4ba3824
3 changed files with 24 additions and 1 deletions
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22
src/d_clisrv.c
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@ -85,6 +85,10 @@ tic_t jointimeout = (10*TICRATE);
static boolean sendingsavegame[MAXNETNODES]; // Are we sending the savegame?
static tic_t freezetimeout[MAXNETNODES]; // Until when can this node freeze the server before getting a timeout?
// Incremented by cv_joindelay when a client joins, decremented each tic.
// If higher than cv_joindelay * 2 (3 joins in a short timespan), joins are temporarily disabled.
static tic_t joindelay = 0;
UINT16 pingmeasurecount = 1;
UINT32 realpingtable[MAXPLAYERS]; //the base table of ping where an average will be sent to everyone.
UINT32 playerpingtable[MAXPLAYERS]; //table of player latency values.
@ -3077,6 +3081,8 @@ consvar_t cv_allownewplayer = {"allowjoin", "On", CV_NETVAR, CV_OnOff, NULL, 0,
consvar_t cv_joinnextround = {"joinnextround", "Off", CV_NETVAR, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL}; /// \todo not done
static CV_PossibleValue_t maxplayers_cons_t[] = {{2, "MIN"}, {32, "MAX"}, {0, NULL}};
consvar_t cv_maxplayers = {"maxplayers", "8", CV_SAVE, maxplayers_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
static CV_PossibleValue_t joindelay_cons_t[] = {{1, "MIN"}, {3600, "MAX"}, {0, "Off"}, {0, NULL}};
consvar_t cv_joindelay = {"joindelay", "10", CV_SAVE, joindelay_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
static CV_PossibleValue_t rejointimeout_cons_t[] = {{1, "MIN"}, {60 * FRACUNIT, "MAX"}, {0, "Off"}, {0, NULL}};
consvar_t cv_rejointimeout = {"rejointimeout", "Off", CV_SAVE|CV_FLOAT, rejointimeout_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
@ -3164,6 +3170,8 @@ void SV_ResetServer(void)
neededtic = maketic;
tictoclear = maketic;
joindelay = 0;
for (i = 0; i < MAXNETNODES; i++)
ResetNode(i);
@ -3613,6 +3621,9 @@ static void HandleConnect(SINT8 node)
SV_SendRefuse(node, M_GetText("No players from\nthis node."));
else if (luafiletransfers)
SV_SendRefuse(node, M_GetText("The server is broadcasting a file\nrequested by a Lua script.\nPlease wait a bit and then\ntry rejoining."));
else if (netgame && joindelay > 2 * (tic_t)cv_joindelay.value * TICRATE)
SV_SendRefuse(node, va(M_GetText("Too many people are connecting.\nPlease wait %d seconds and then\ntry rejoining."),
(joindelay - 2 * cv_joindelay.value * TICRATE) / TICRATE));
else
{
#ifndef NONET
@ -3670,6 +3681,7 @@ static void HandleConnect(SINT8 node)
DEBFILE("send savegame\n");
}
SV_AddWaitingPlayers(names[0], names[1]);
joindelay += cv_joindelay.value * TICRATE;
player_joining = true;
}
#else
@ -5038,12 +5050,21 @@ void NetUpdate(void)
hu_resynching = true;
}
}
Net_AckTicker();
// Handle timeouts to prevent definitive freezes from happenning
if (server)
{
for (i = 1; i < MAXNETNODES; i++)
if (nodeingame[i] && freezetimeout[i] < I_GetTime())
Net_ConnectionTimeout(i);
// In case the cvar value was lowered
if (joindelay)
joindelay = min(joindelay - 1, 3 * cv_joindelay.value * TICRATE);
}
nowtime /= NEWTICRATERATIO;
if (nowtime > resptime)
{
@ -5051,6 +5072,7 @@ void NetUpdate(void)
M_Ticker();
CON_Ticker();
}
SV_FileSendTicker();
}

2
src/d_clisrv.h
View file

@ -515,7 +515,7 @@ extern UINT32 realpingtable[MAXPLAYERS];
extern UINT32 playerpingtable[MAXPLAYERS];
extern tic_t servermaxping;
extern consvar_t cv_allownewplayer, cv_joinnextround, cv_maxplayers, cv_rejointimeout;
extern consvar_t cv_allownewplayer, cv_joinnextround, cv_maxplayers, cv_joindelay, cv_rejointimeout;
extern consvar_t cv_resynchattempts, cv_blamecfail;
extern consvar_t cv_maxsend, cv_noticedownload, cv_downloadspeed;

1
src/d_netcmd.c
View file

@ -573,6 +573,7 @@ void D_RegisterServerCommands(void)
// d_clisrv
CV_RegisterVar(&cv_maxplayers);
CV_RegisterVar(&cv_joindelay);
CV_RegisterVar(&cv_rejointimeout);
CV_RegisterVar(&cv_resynchattempts);
CV_RegisterVar(&cv_maxsend);