#include "sv_demo.h"
#include "libcurl.h"
#include "csprogs.h"
+#include "thread.h"
static void SV_SaveEntFile_f(void);
static void SV_StartDownload_f(void);
cvar_t sys_ticrate = {CVAR_SAVE, "sys_ticrate","0.0138889", "how long a server frame is in seconds, 0.05 is 20fps server rate, 0.1 is 10fps (can not be set higher than 0.1), 0 runs as many server frames as possible (makes games against bots a little smoother, overwhelms network players), 0.0138889 matches QuakeWorld physics"};
cvar_t teamplay = {CVAR_NOTIFY, "teamplay","0", "teamplay mode, values depend on mod but typically 0 = no teams, 1 = no team damage no self damage, 2 = team damage and self damage, some mods support 3 = no team damage but can damage self"};
cvar_t timelimit = {CVAR_NOTIFY, "timelimit","0", "ends level at this time (in minutes)"};
+cvar_t sv_threaded = {0, "sv_threaded", "0", "enables a separate thread for server code, improving performance, especially when hosting a game while playing, EXPERIMENTAL, may be crashy"};
cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
Cvar_RegisterVariable (&sys_ticrate);
Cvar_RegisterVariable (&teamplay);
Cvar_RegisterVariable (&timelimit);
+ Cvar_RegisterVariable (&sv_threaded);
Cvar_RegisterVariable (&saved1);
Cvar_RegisterVariable (&saved2);
if (precachemode == 1)
Con_Printf("SV_ModelIndex(\"%s\"): not precached (fix your code), precaching anyway\n", filename);
strlcpy(sv.model_precache[i], filename, sizeof(sv.model_precache[i]));
- sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
- if (sv.state != ss_loading)
+ if (sv.state == ss_loading)
{
+ // running from SV_SpawnServer which is launched from the client console command interpreter
+ sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
+ }
+ else
+ {
+ if (svs.threaded)
+ {
+ // this is running on the server thread, we can't load a model here (it would crash on renderer calls), so only look it up, the svc_precache will cause it to be loaded when it reaches the client
+ sv.models[i] = Mod_FindName (sv.model_precache[i], s[0] == '*' ? sv.worldname : NULL);
+ }
+ else
+ {
+ // running single threaded, so we can load the model here
+ sv.models[i] = Mod_ForName (sv.model_precache[i], true, false, s[0] == '*' ? sv.worldname : NULL);
+ }
MSG_WriteByte(&sv.reliable_datagram, svc_precache);
MSG_WriteShort(&sv.reliable_datagram, i);
MSG_WriteString(&sv.reliable_datagram, filename);
}
}
+// SV_LockThreadMutex();
+
if (cls.state != ca_dedicated)
{
SCR_BeginLoadingPlaque();
if (!worldmodel || !worldmodel->TraceBox)
{
Con_Printf("Couldn't load map %s\n", modelname);
+ SV_UnlockThreadMutex();
return;
}
NetConn_Heartbeat (2);
SV_VM_End();
+
+// SV_UnlockThreadMutex();
}
/////////////////////////////////////////////////////
{
PRVM_End;
}
+
+extern cvar_t host_maxwait;
+extern cvar_t host_framerate;
+int SV_ThreadFunc(void *voiddata)
+{
+ double sv_timer = 0;
+ double sv_deltarealtime, sv_oldrealtime, sv_realtime;
+ double wait;
+ int i;
+ sv_realtime = Sys_DoubleTime();
+ while (!svs.threadstop)
+ {
+ // FIXME: we need to handle Host_Error in the server thread somehow
+// if (setjmp(sv_abortframe))
+// continue; // something bad happened in the server game
+
+ sv_oldrealtime = sv_realtime;
+ sv_realtime = Sys_DoubleTime();
+
+ sv_deltarealtime = sv_realtime - sv_oldrealtime;
+ sv_timer += sv_deltarealtime;
+
+ svs.perf_acc_realtime += sv_deltarealtime;
+
+ // Look for clients who have spawned
+ for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
+ if(host_client->spawned)
+ if(host_client->netconnection)
+ break;
+ if(i == svs.maxclients)
+ {
+ // Nobody is looking? Then we won't do timing...
+ // Instead, reset it to zero
+ svs.perf_acc_realtime = svs.perf_acc_sleeptime = svs.perf_acc_lost = svs.perf_acc_offset = svs.perf_acc_offset_squared = svs.perf_acc_offset_max = svs.perf_acc_offset_samples = 0;
+ }
+ else if(svs.perf_acc_realtime > 5)
+ {
+ svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
+ svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
+ if(svs.perf_acc_offset_samples > 0)
+ {
+ svs.perf_offset_max = svs.perf_acc_offset_max;
+ svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
+ svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
+ }
+ if(svs.perf_lost > 0 && developer_extra.integer)
+ Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport());
+ svs.perf_acc_realtime = svs.perf_acc_sleeptime = svs.perf_acc_lost = svs.perf_acc_offset = svs.perf_acc_offset_squared = svs.perf_acc_offset_max = svs.perf_acc_offset_samples = 0;
+ }
+
+ // get new packets
+ if (sv.active)
+ NetConn_ServerFrame();
+
+ // if the accumulators haven't become positive yet, wait a while
+ wait = sv_timer * -1000000.0;
+ if (wait >= 1)
+ {
+ double time0;
+ if (host_maxwait.value <= 0)
+ wait = min(wait, 1000000.0);
+ else
+ wait = min(wait, host_maxwait.value * 1000.0);
+ if(wait < 1)
+ wait = 1; // because we cast to int
+ time0 = Sys_DoubleTime();
+ Sys_Sleep((int)wait);
+ svs.perf_acc_sleeptime += Sys_DoubleTime() - time0;
+ continue;
+ }
+
+ if (sv.active && sv_timer > 0)
+ {
+ // execute one server frame
+ double advancetime;
+ float offset;
+
+ if (sys_ticrate.value <= 0)
+ advancetime = min(sv_timer, 0.1); // don't step more than 100ms
+ else
+ advancetime = sys_ticrate.value;
+
+ if(advancetime > 0)
+ {
+ offset = sv_timer + (Sys_DoubleTime() - sv_realtime); // LordHavoc: FIXME: I don't understand this line
+ ++svs.perf_acc_offset_samples;
+ svs.perf_acc_offset += offset;
+ svs.perf_acc_offset_squared += offset * offset;
+ if(svs.perf_acc_offset_max < offset)
+ svs.perf_acc_offset_max = offset;
+ }
+
+ // at this point we start doing real server work, and must block on any client activity pertaining to the server (such as executing SV_SpawnServer)
+ SV_LockThreadMutex();
+
+ // only advance time if not paused
+ // the game also pauses in singleplayer when menu or console is used
+ sv.frametime = advancetime * slowmo.value;
+ if (host_framerate.value)
+ sv.frametime = host_framerate.value;
+ if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
+ sv.frametime = 0;
+
+ sv_timer -= advancetime;
+
+ // setup the VM frame
+ SV_VM_Begin();
+
+ // move things around and think unless paused
+ if (sv.frametime)
+ SV_Physics();
+
+ // send all messages to the clients
+ SV_SendClientMessages();
+
+ if (sv.paused == 1 && sv_realtime > sv.pausedstart && sv.pausedstart > 0)
+ {
+ prog->globals.generic[OFS_PARM0] = sv_realtime - sv.pausedstart;
+ PRVM_ExecuteProgram(PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
+ }
+
+ // end the server VM frame
+ SV_VM_End();
+
+ // send an heartbeat if enough time has passed since the last one
+ NetConn_Heartbeat(0);
+
+ // at this point we start doing real server work, and must block on any client activity pertaining to the server (such as executing SV_SpawnServer)
+ SV_UnlockThreadMutex();
+ }
+
+ // if there is some time remaining from this frame, reset the timers
+ if (sv_timer >= 0)
+ {
+ svs.perf_acc_lost += sv_timer;
+ sv_timer = 0;
+ }
+ }
+ return 0;
+}
+
+void SV_StartThread(void)
+{
+ if (!sv_threaded.integer || !Thread_HasThreads())
+ return;
+ svs.threaded = true;
+ svs.threadstop = false;
+ svs.threadmutex = Thread_CreateMutex();
+ svs.thread = Thread_CreateThread(SV_ThreadFunc, NULL);
+}
+
+void SV_StopThread(void)
+{
+ if (!svs.threaded)
+ return;
+ svs.threadstop = true;
+ Thread_WaitThread(svs.thread, 0);
+ Thread_DestroyMutex(svs.threadmutex);
+ svs.threaded = false;
+}
+
+void SV_LockThreadMutex(void)
+{
+ if (svs.threaded)
+ Thread_LockMutex(svs.threadmutex);
+}
+
+void SV_UnlockThreadMutex(void)
+{
+ if (svs.threaded)
+ Thread_UnlockMutex(svs.threadmutex);
+}
projects / xonotic / darkplaces.git / blobdiff