engine: server: add sv_log_outofband cvar that controls whether connectionless packets should be printed or not

engine/server/server.h

@@ -472,6 +472,7 @@ extern convar_t		sv_userinfo_penalty_time;
 extern convar_t		sv_userinfo_penalty_multiplier;
 extern convar_t		sv_userinfo_penalty_attempts;
 extern convar_t		sv_fullupdate_penalty_time;
+extern convar_t		sv_log_outofband;
 
 //===========================================================
 //

engine/server/sv_client.c

@@ -3146,7 +3146,9 @@ void SV_ConnectionlessPacket( netadr_t from, sizebuf_t *msg )
 	Cmd_TokenizeString( args );
 
 	pcmd = Cmd_Argv( 0 );
-	Con_Reportf( "SV_ConnectionlessPacket: %s : %s\n", NET_AdrToString( from ), pcmd );
+
+	if( sv_log_outofband.value )
+		Con_Reportf( "SV_ConnectionlessPacket: %s : %s\n", NET_AdrToString( from ), pcmd );
 
 	if( !Q_strcmp( pcmd, "ping" )) SV_Ping( from );
 	else if( !Q_strcmp( pcmd, "ack" )) SV_Ack( from );

engine/server/sv_main.c

@@ -145,6 +145,7 @@ CVAR_DEFINE_AUTO( sv_userinfo_penalty_time, "0.3", FCVAR_ARCHIVE, "initial penal
 CVAR_DEFINE_AUTO( sv_userinfo_penalty_multiplier, "2", FCVAR_ARCHIVE, "penalty time multiplier" );
 CVAR_DEFINE_AUTO( sv_userinfo_penalty_attempts, "4", FCVAR_ARCHIVE, "if max attempts count was exceeded, penalty time will be increased" );
 CVAR_DEFINE_AUTO( sv_fullupdate_penalty_time, "1", FCVAR_ARCHIVE, "allow fullupdate command only once in this timewindow (set 0 to disable)" );
+CVAR_DEFINE_AUTO( sv_log_outofband, "0", FCVAR_ARCHIVE, "log out of band messages, can be useful for server admins and for engine debugging" );
 
 //============================================================================
 /*
@@ -939,6 +940,7 @@ void SV_Init( void )
 	Cvar_RegisterVariable( &sv_userinfo_penalty_multiplier );
 	Cvar_RegisterVariable( &sv_userinfo_penalty_attempts );
 	Cvar_RegisterVariable( &sv_fullupdate_penalty_time );
+	Cvar_RegisterVariable( &sv_log_outofband );
 
 	// when we in developer-mode automatically turn cheats on
 	if( host_developer.value ) Cvar_SetValue( "sv_cheats", 1.0f );