/*
==================
SV_Frame
Player movement occurs as a result of packet events, which
happen before SV_Frame is called
==================
*/
void SV_Frame( int msec ) {
int frameMsec;
int startTime;
// the menu kills the server with this cvar
if ( sv_killserver->integer ) {
SV_Shutdown ("Server was killed");
Cvar_Set( "sv_killserver", "0" );
return;
}
if (!com_sv_running->integer)
{
if(com_dedicated->integer)
{
// Block indefinitely until something interesting happens
// on STDIN.
NET_Sleep(-1);
}
return;
}
// allow pause if only the local client is connected
if ( SV_CheckPaused() ) {
return;
}
// if it isn't time for the next frame, do nothing
if ( sv_fps->integer < 1 ) {
Cvar_Set( "sv_fps", "10" );
}
frameMsec = 1000 / sv_fps->integer * com_timescale->value;
// don't let it scale below 1ms
if(frameMsec < 1)
{
Cvar_Set("timescale", va("%f", sv_fps->integer / 1000.0f));
frameMsec = 1;
}
sv.timeResidual += msec;
if (!com_dedicated->integer) SV_BotFrame (sv.time + sv.timeResidual);
if ( com_dedicated->integer && sv.timeResidual < frameMsec ) {
// NET_Sleep will give the OS time slices until either get a packet
// or time enough for a server frame has gone by
NET_Sleep(frameMsec - sv.timeResidual);
return;
}
// if time is about to hit the 32nd bit, kick all clients
// and clear sv.time, rather
// than checking for negative time wraparound everywhere.
// 2giga-milliseconds = 23 days, so it won't be too often
if ( svs.time > 0x70000000 ) {
SV_Shutdown( "Restarting server due to time wrapping" );
Cbuf_AddText( va( "map %s\n", Cvar_VariableString( "mapname" ) ) );
return;
}
// this can happen considerably earlier when lots of clients play and the map doesn't change
if ( svs.nextSnapshotEntities >= 0x7FFFFFFE - svs.numSnapshotEntities ) {
SV_Shutdown( "Restarting server due to numSnapshotEntities wrapping" );
Cbuf_AddText( va( "map %s\n", Cvar_VariableString( "mapname" ) ) );
return;
}
if( sv.restartTime && sv.time >= sv.restartTime ) {
sv.restartTime = 0;
Cbuf_AddText( "map_restart 0\n" );
return;
}
// update infostrings if anything has been changed
if ( cvar_modifiedFlags & CVAR_SERVERINFO ) {
SV_SetConfigstring( CS_SERVERINFO, Cvar_InfoString( CVAR_SERVERINFO ) );
cvar_modifiedFlags &= ~CVAR_SERVERINFO;
}
if ( cvar_modifiedFlags & CVAR_SYSTEMINFO ) {
SV_SetConfigstring( CS_SYSTEMINFO, Cvar_InfoString_Big( CVAR_SYSTEMINFO ) );
cvar_modifiedFlags &= ~CVAR_SYSTEMINFO;
}
if ( com_speeds->integer ) {
startTime = Sys_Milliseconds ();
} else {
startTime = 0; // quite a compiler warning
}
// update ping based on the all received frames
SV_CalcPings();
if (com_dedicated->integer) SV_BotFrame (sv.time);
// run the game simulation in chunks
while ( sv.timeResidual >= frameMsec ) {
sv.timeResidual -= frameMsec;
svs.time += frameMsec;
sv.time += frameMsec;
// let everything in the world think and move
VM_Call (gvm, GAME_RUN_FRAME, sv.time);
}
if ( com_speeds->integer ) {
time_game = Sys_Milliseconds () - startTime;
}
// check timeouts
SV_CheckTimeouts();
// check user info buffer thingy
SV_CheckClientUserinfoTimer();
// send messages back to the clients
SV_SendClientMessages();
// send a heartbeat to the master if needed
SV_MasterHeartbeat();
}
/*
==================
SV_Frame
Player movement occurs as a result of packet events, which
happen before SV_Frame is called
==================
*/
void SV_Frame(int msec) {
int frameMsec, startTime, frameStartTime = 0, frameEndTime;
char mapname[MAX_QPATH];
// Dushan
static int start, end;
start = Sys_Milliseconds ();
svs.stats.idle += (double)(start - end) / 1000;
// the menu kills the server with this cvar
if(sv_killserver->integer) {
SV_Shutdown("Server was killed.\n");
Cvar_Set("sv_killserver", "0");
return;
}
if(!com_sv_running->integer) {
// Running as a server, but no map loaded
#if defined (DEDICATED)
// Block until something interesting happens
Sys_Sleep(-1);
#endif
return;
}
// allow pause if only the local client is connected
if(SV_CheckPaused()) {
return;
}
if(com_dedicated->integer) {
frameStartTime = Sys_Milliseconds();
}
// if it isn't time for the next frame, do nothing
if(sv_fps->integer < 1) {
Cvar_Set("sv_fps", "10");
}
frameMsec = 1000 / sv_fps->integer * com_timescale->value;
// don't let it scale below 1ms
if(frameMsec < 1) {
Cvar_Set("timescale", va("%f", sv_fps->integer / 1000.0f));
frameMsec = 1;
}
sv.timeResidual += msec;
if(!com_dedicated->integer) {
SV_BotFrame(svs.time + sv.timeResidual);
}
if(com_dedicated->integer && sv.timeResidual < frameMsec) {
// NET_Sleep will give the OS time slices until either get a packet
// or time enough for a server frame has gone by
NET_Sleep(frameMsec - sv.timeResidual);
return;
}
// if time is about to hit the 32nd bit, kick all clients
// and clear sv.time, rather
// than checking for negative time wraparound everywhere.
// 2giga-milliseconds = 23 days, so it won't be too often
if(svs.time > 0x70000000) {
Q_strncpyz(mapname, sv_mapname->string, MAX_QPATH);
SV_Shutdown("Restarting server due to time wrapping");
// TTimo
// show_bug.cgi?id=388
// there won't be a map_restart if you have shut down the server
// since it doesn't restart a non-running server
// instead, re-run the current map
Cbuf_AddText(va("map %s\n", mapname));
return;
}
// this can happen considerably earlier when lots of clients play and the map doesn't change
if(svs.nextSnapshotEntities >= 0x7FFFFFFE - svs.numSnapshotEntities) {
Q_strncpyz(mapname, sv_mapname->string, MAX_QPATH);
SV_Shutdown("Restarting server due to numSnapshotEntities wrapping");
// TTimo see above
Cbuf_AddText(va("map %s\n", mapname));
return;
}
if(sv.restartTime && svs.time >= sv.restartTime) {
sv.restartTime = 0;
Cbuf_AddText("map_restart 0\n");
return;
}
// update infostrings if anything has been changed
if(cvar_modifiedFlags & CVAR_SERVERINFO) {
SV_SetConfigstring(CS_SERVERINFO, Cvar_InfoString(CVAR_SERVERINFO | CVAR_SERVERINFO_NOUPDATE));
cvar_modifiedFlags &= ~CVAR_SERVERINFO;
}
if(cvar_modifiedFlags & CVAR_SERVERINFO_NOUPDATE) {
SV_SetConfigstringNoUpdate(CS_SERVERINFO, Cvar_InfoString(CVAR_SERVERINFO | CVAR_SERVERINFO_NOUPDATE));
cvar_modifiedFlags &= ~CVAR_SERVERINFO_NOUPDATE;
}
if(cvar_modifiedFlags & CVAR_SYSTEMINFO) {
SV_SetConfigstring(CS_SYSTEMINFO, Cvar_InfoString_Big(CVAR_SYSTEMINFO));
cvar_modifiedFlags &= ~CVAR_SYSTEMINFO;
}
// NERVE - SMF
if(cvar_modifiedFlags & CVAR_WOLFINFO) {
SV_SetConfigstring(CS_WOLFINFO, Cvar_InfoString(CVAR_WOLFINFO));
cvar_modifiedFlags &= ~CVAR_WOLFINFO;
}
if(com_speeds->integer) {
startTime = Sys_Milliseconds();
} else {
startTime = 0; // quite a compiler warning
}
// update ping based on the all received frames
SV_CalcPings();
if(com_dedicated->integer) {
SV_BotFrame(svs.time);
}
// run the game simulation in chunks
while(sv.timeResidual >= frameMsec) {
sv.timeResidual -= frameMsec;
svs.time += frameMsec;
// let everything in the world think and move
#if !defined (UPDATE_SERVER)
VM_Call(gvm, GAME_RUN_FRAME, svs.time);
#endif
#ifdef USE_PHYSICS
CMod_PhysicsUpdate(svs.time, 1.0f / sv_fps->integer);
#endif
}
if(com_speeds->integer) {
time_game = Sys_Milliseconds() - startTime;
}
// check timeouts
SV_CheckTimeouts();
// check user info buffer thingy
SV_CheckClientUserinfoTimer();
// send messages back to the clients
SV_SendClientMessages();
// send a heartbeat to the master if needed
SV_MasterHeartbeat(HEARTBEAT_GAME);
if(com_dedicated->integer) {
frameEndTime = Sys_Milliseconds();
svs.totalFrameTime += (frameEndTime - frameStartTime);
svs.currentFrameIndex++;
//if( svs.currentFrameIndex % 50 == 0 )
// Com_Printf( "currentFrameIndex: %i\n", svs.currentFrameIndex );
if(svs.currentFrameIndex == SERVER_PERFORMANCECOUNTER_FRAMES) {
int averageFrameTime;
averageFrameTime = svs.totalFrameTime / SERVER_PERFORMANCECOUNTER_FRAMES;
svs.sampleTimes[svs.currentSampleIndex % SERVER_PERFORMANCECOUNTER_SAMPLES] = averageFrameTime;
svs.currentSampleIndex++;
if(svs.currentSampleIndex > SERVER_PERFORMANCECOUNTER_SAMPLES) {
int totalTime, i;
totalTime = 0;
for(i = 0; i < SERVER_PERFORMANCECOUNTER_SAMPLES; i++) {
totalTime += svs.sampleTimes[i];
}
if(!totalTime) {
totalTime = 1;
}
averageFrameTime = totalTime / SERVER_PERFORMANCECOUNTER_SAMPLES;
svs.serverLoad = (averageFrameTime / (float)frameMsec) * 100;
}
//Com_Printf( "serverload: %i (%i/%i)\n", svs.serverLoad, averageFrameTime, frameMsec );
svs.totalFrameTime = 0;
svs.currentFrameIndex = 0;
}
} else {
svs.serverLoad = -1;
}
// collect timing statistics
end = Sys_Milliseconds ();
svs.stats.active += ((double) (end-start)) / 1000;
if (++svs.stats.count == STATFRAMES) {
svs.stats.latched_active = svs.stats.active;
svs.stats.latched_idle = svs.stats.idle;
svs.stats.latched_packets = svs.stats.packets;
svs.stats.active = 0;
svs.stats.idle = 0;
svs.stats.packets = 0;
svs.stats.count = 0;
}
}
