mirror of
https://git.do.srb2.org/STJr/SRB2.git
synced 2024-12-03 01:32:22 +00:00
552 lines
9.3 KiB
C
552 lines
9.3 KiB
C
// SONIC ROBO BLAST 2
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//-----------------------------------------------------------------------------
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// Copyright (C) 1998-2000 by DooM Legacy Team.
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// Copyright (C) 1999-2022 by Sonic Team Junior.
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// Copyright (C) 2020-2022 by James R.
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//
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// This program is free software distributed under the
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// terms of the GNU General Public License, version 2.
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// See the 'LICENSE' file for more details.
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//-----------------------------------------------------------------------------
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/// \file mserv.c
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/// \brief Commands used to communicate with the master server
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#if !defined (UNDER_CE)
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#include <time.h>
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#endif
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#include "doomstat.h"
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#include "doomdef.h"
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#include "command.h"
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#include "i_threads.h"
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#include "mserv.h"
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#include "m_menu.h"
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#include "z_zone.h"
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#ifdef MASTERSERVER
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static int MSId;
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static int MSRegisteredId = -1;
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static boolean MSRegistered;
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static boolean MSInProgress;
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static boolean MSUpdateAgain;
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static time_t MSLastPing;
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#ifdef HAVE_THREADS
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static I_mutex MSMutex;
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static I_cond MSCond;
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# define Lock_state() I_lock_mutex (&MSMutex)
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# define Unlock_state() I_unlock_mutex (MSMutex)
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#else/*HAVE_THREADS*/
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# define Lock_state()
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# define Unlock_state()
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#endif/*HAVE_THREADS*/
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#ifndef NONET
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static void Command_Listserv_f(void);
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#endif
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#endif/*MASTERSERVER*/
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static void Update_parameters (void);
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static void MasterServer_OnChange(void);
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static CV_PossibleValue_t masterserver_update_rate_cons_t[] = {
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{2, "MIN"},
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{60, "MAX"},
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{0,NULL}
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};
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consvar_t cv_masterserver = CVAR_INIT ("masterserver", "https://mb.srb2.org/MS/0", CV_SAVE|CV_CALL, NULL, MasterServer_OnChange);
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consvar_t cv_servername = CVAR_INIT ("servername", "SRB2 server", CV_SAVE|CV_NETVAR|CV_CALL|CV_NOINIT, NULL, Update_parameters);
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consvar_t cv_masterserver_update_rate = CVAR_INIT ("masterserver_update_rate", "15", CV_SAVE|CV_CALL|CV_NOINIT, masterserver_update_rate_cons_t, Update_parameters);
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INT16 ms_RoomId = -1;
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#if defined (MASTERSERVER) && defined (HAVE_THREADS)
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int ms_QueryId;
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I_mutex ms_QueryId_mutex;
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msg_server_t *ms_ServerList;
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I_mutex ms_ServerList_mutex;
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#endif
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UINT16 current_port = 0;
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// Room list is an external variable now.
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// Avoiding having to get info ten thousand times...
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msg_rooms_t room_list[NUM_LIST_ROOMS+1]; // +1 for easy test
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/** Adds variables and commands relating to the master server.
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*
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* \sa cv_masterserver, cv_servername,
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* Command_Listserv_f
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*/
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void AddMServCommands(void)
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{
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#ifndef NONET
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CV_RegisterVar(&cv_masterserver);
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CV_RegisterVar(&cv_masterserver_update_rate);
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CV_RegisterVar(&cv_masterserver_timeout);
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CV_RegisterVar(&cv_masterserver_debug);
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CV_RegisterVar(&cv_masterserver_token);
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CV_RegisterVar(&cv_servername);
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#ifdef MASTERSERVER
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COM_AddCommand("listserv", Command_Listserv_f);
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COM_AddCommand("masterserver_update", Update_parameters); // allows people to updates manually in case you were delisted by accident
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#endif
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#endif
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}
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#ifdef MASTERSERVER
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static void WarnGUI (void)
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{
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#ifdef HAVE_THREADS
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I_lock_mutex(&m_menu_mutex);
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#endif
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M_StartMessage(M_GetText("There was a problem connecting to\nthe Master Server\n\nCheck the console for details.\n"), NULL, MM_NOTHING);
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#ifdef HAVE_THREADS
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I_unlock_mutex(m_menu_mutex);
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#endif
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}
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#define NUM_LIST_SERVER MAXSERVERLIST
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msg_server_t *GetShortServersList(INT32 room, int id)
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{
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msg_server_t *server_list;
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// +1 for easy test
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server_list = malloc(( NUM_LIST_SERVER + 1 ) * sizeof *server_list);
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if (HMS_fetch_servers(server_list, room, id))
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return server_list;
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else
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{
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free(server_list);
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WarnGUI();
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return NULL;
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}
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}
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INT32 GetRoomsList(boolean hosting, int id)
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{
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if (HMS_fetch_rooms( ! hosting, id))
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return 1;
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else
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{
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WarnGUI();
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return -1;
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}
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}
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#ifdef UPDATE_ALERT
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char *GetMODVersion(int id)
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{
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char *buffer;
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int c;
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(void)id;
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buffer = malloc(16);
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c = HMS_compare_mod_version(buffer, 16);
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#ifdef HAVE_THREADS
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I_lock_mutex(&ms_QueryId_mutex);
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{
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if (id != ms_QueryId)
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c = -1;
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}
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I_unlock_mutex(ms_QueryId_mutex);
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#endif
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if (c > 0)
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return buffer;
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else
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{
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free(buffer);
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if (! c)
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WarnGUI();
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return NULL;
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}
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}
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// Console only version of the above (used before game init)
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void GetMODVersion_Console(void)
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{
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char buffer[16];
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if (HMS_compare_mod_version(buffer, sizeof buffer) > 0)
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I_Error(UPDATE_ALERT_STRING_CONSOLE, VERSIONSTRING, buffer);
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}
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#endif
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#ifndef NONET
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/** Gets a list of game servers. Called from console.
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*/
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static void Command_Listserv_f(void)
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{
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CONS_Printf(M_GetText("Retrieving server list...\n"));
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{
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HMS_list_servers();
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}
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}
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#endif
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static void
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Finish_registration (void)
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{
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int registered;
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CONS_Printf("Registering this server on the master server...\n");
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registered = HMS_register();
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Lock_state();
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{
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MSRegistered = registered;
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MSRegisteredId = MSId;
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time(&MSLastPing);
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}
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Unlock_state();
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if (registered)
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CONS_Printf("Master server registration successful.\n");
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}
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static void
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Finish_update (void)
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{
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int registered;
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int done;
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Lock_state();
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{
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registered = MSRegistered;
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MSUpdateAgain = false;/* this will happen anyway */
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}
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Unlock_state();
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if (registered)
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{
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if (HMS_update())
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{
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Lock_state();
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{
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time(&MSLastPing);
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MSRegistered = true;
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}
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Unlock_state();
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CONS_Printf("Updated master server listing.\n");
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}
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else
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Finish_registration();
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}
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else
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Finish_registration();
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Lock_state();
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{
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done = ! MSUpdateAgain;
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if (done)
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MSInProgress = false;
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}
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Unlock_state();
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if (! done)
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Finish_update();
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}
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static void
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Finish_unlist (void)
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{
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int registered;
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Lock_state();
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{
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registered = MSRegistered;
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}
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Unlock_state();
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if (registered)
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{
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CONS_Printf("Removing this server from the master server...\n");
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if (HMS_unlist())
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CONS_Printf("Server deregistration request successfully sent.\n");
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Lock_state();
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{
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MSRegistered = false;
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}
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Unlock_state();
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#ifdef HAVE_THREADS
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I_wake_all_cond(&MSCond);
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#endif
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}
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Lock_state();
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{
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if (MSId == MSRegisteredId)
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MSId++;
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}
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Unlock_state();
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}
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#ifdef HAVE_THREADS
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static int *
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Server_id (void)
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{
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int *id;
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id = malloc(sizeof *id);
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Lock_state();
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{
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*id = MSId;
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}
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Unlock_state();
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return id;
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}
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static int *
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New_server_id (void)
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{
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int *id;
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id = malloc(sizeof *id);
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Lock_state();
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{
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*id = ++MSId;
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I_wake_all_cond(&MSCond);
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}
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Unlock_state();
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return id;
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}
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static void
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Register_server_thread (int *id)
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{
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int same;
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Lock_state();
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{
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/* wait for previous unlist to finish */
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while (*id == MSId && MSRegistered)
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I_hold_cond(&MSCond, MSMutex);
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same = ( *id == MSId );/* it could have been a while */
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}
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Unlock_state();
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if (same)/* it could have been a while */
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Finish_registration();
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free(id);
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}
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static void
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Update_server_thread (int *id)
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{
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int same;
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Lock_state();
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{
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same = ( *id == MSRegisteredId );
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}
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Unlock_state();
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if (same)
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Finish_update();
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free(id);
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}
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static void
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Unlist_server_thread (int *id)
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{
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int same;
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Lock_state();
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{
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same = ( *id == MSRegisteredId );
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}
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Unlock_state();
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if (same)
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Finish_unlist();
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free(id);
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}
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static void
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Change_masterserver_thread (char *api)
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{
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Lock_state();
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{
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while (MSRegistered)
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I_hold_cond(&MSCond, MSMutex);
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}
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Unlock_state();
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HMS_set_api(api);
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}
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#endif/*HAVE_THREADS*/
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void RegisterServer(void)
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{
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#ifdef MASTERSERVER
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#ifdef HAVE_THREADS
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I_spawn_thread(
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"register-server",
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(I_thread_fn)Register_server_thread,
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New_server_id()
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);
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#else
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Finish_registration();
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#endif
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#endif/*MASTERSERVER*/
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}
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static void UpdateServer(void)
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{
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#ifdef HAVE_THREADS
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I_spawn_thread(
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"update-server",
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(I_thread_fn)Update_server_thread,
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Server_id()
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);
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#else
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Finish_update();
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#endif
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}
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void UnregisterServer(void)
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{
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#ifdef MASTERSERVER
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#ifdef HAVE_THREADS
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I_spawn_thread(
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"unlist-server",
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(I_thread_fn)Unlist_server_thread,
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Server_id()
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);
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#else
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Finish_unlist();
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#endif
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#endif/*MASTERSERVER*/
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}
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static boolean
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Online (void)
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{
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return ( serverrunning && ms_RoomId > 0 );
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}
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static inline void SendPingToMasterServer(void)
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{
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int ready;
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time_t now;
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if (Online())
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{
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time(&now);
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Lock_state();
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{
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ready = (
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MSRegisteredId == MSId &&
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! MSInProgress &&
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now >= ( MSLastPing + 60 * cv_masterserver_update_rate.value )
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);
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if (ready)
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MSInProgress = true;
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}
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Unlock_state();
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if (ready)
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UpdateServer();
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}
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}
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void MasterClient_Ticker(void)
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{
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#ifdef MASTERSERVER
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SendPingToMasterServer();
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#endif
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}
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static void
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Set_api (const char *api)
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{
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#ifdef HAVE_THREADS
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I_spawn_thread(
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"change-masterserver",
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(I_thread_fn)Change_masterserver_thread,
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strdup(api)
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);
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#else
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HMS_set_api(strdup(api));
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#endif
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}
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#endif/*MASTERSERVER*/
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static void
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Update_parameters (void)
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{
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#ifdef MASTERSERVER
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int registered;
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int delayed;
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if (Online())
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{
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Lock_state();
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{
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delayed = MSInProgress;
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if (delayed)/* do another update after the current one */
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MSUpdateAgain = true;
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else
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registered = MSRegistered;
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}
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Unlock_state();
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if (! delayed && registered)
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UpdateServer();
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}
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#endif/*MASTERSERVER*/
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}
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static void MasterServer_OnChange(void)
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{
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#ifdef MASTERSERVER
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UnregisterServer();
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/*
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TODO: remove this for v2, it's just a hack
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for those coming in with an old config.
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*/
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if (
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! cv_masterserver.changed &&
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strcmp(cv_masterserver.string, "ms.srb2.org:28900") == 0
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){
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CV_StealthSet(&cv_masterserver, cv_masterserver.defaultvalue);
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}
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Set_api(cv_masterserver.string);
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if (Online())
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RegisterServer();
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#endif/*MASTERSERVER*/
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}
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