Files
@ r8936:938338e11dc3
Branch filter:
Location: cpp/openttd-patchpack/source/src/network/network_gamelist.cpp
r8936:938338e11dc3
3.0 KiB
text/x-c
(svn r12708) -Fix (FS#1914): increase default sound buffer size only for vista
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | /* $Id$ */
/**
* @file network_gamelist.cpp This file handles the GameList
* Also, it handles the request to a server for data about the server
*/
#ifdef ENABLE_NETWORK
#include "../stdafx.h"
#include "../debug.h"
#include "../newgrf_config.h"
#include "../core/alloc_func.hpp"
#include "core/game.h"
#include "network_udp.h"
#include "network_gamelist.h"
#include "network_gui.h"
NetworkGameList *_network_game_list = NULL;
/** Add a new item to the linked gamelist. If the IP and Port match
* return the existing item instead of adding it again
* @param ip the IP-address (inet_addr) of the to-be added item
* @param port the port the server is running on
* @return a point to the newly added or already existing item */
NetworkGameList *NetworkGameListAddItem(uint32 ip, uint16 port)
{
NetworkGameList *item, *prev_item;
prev_item = NULL;
for (item = _network_game_list; item != NULL; item = item->next) {
if (item->ip == ip && item->port == port) return item;
prev_item = item;
}
item = MallocT<NetworkGameList>(1);
memset(item, 0, sizeof(*item));
item->next = NULL;
item->ip = ip;
item->port = port;
if (prev_item == NULL) {
_network_game_list = item;
} else {
prev_item->next = item;
}
DEBUG(net, 4, "[gamelist] added server to list");
UpdateNetworkGameWindow(false);
return item;
}
/** Remove an item from the gamelist linked list
* @param remove pointer to the item to be removed */
void NetworkGameListRemoveItem(NetworkGameList *remove)
{
NetworkGameList *item, *prev_item;
prev_item = NULL;
for (item = _network_game_list; item != NULL; item = item->next) {
if (remove == item) {
if (prev_item == NULL) {
_network_game_list = remove->next;
} else {
prev_item->next = remove->next;
}
/* Remove GRFConfig information */
ClearGRFConfigList(&remove->info.grfconfig);
free(remove);
remove = NULL;
DEBUG(net, 4, "[gamelist] removed server from list");
UpdateNetworkGameWindow(false);
return;
}
prev_item = item;
}
}
enum {
MAX_GAME_LIST_REQUERY_COUNT = 5, ///< How often do we requery in number of times per server?
REQUERY_EVERY_X_GAMELOOPS = 60, ///< How often do we requery in time?
REFRESH_GAMEINFO_X_REQUERIES = 50, ///< Refresh the game info itself after REFRESH_GAMEINFO_X_REQUERIES * REQUERY_EVERY_X_GAMELOOPS game loops
};
/** Requeries the (game) servers we have not gotten a reply from */
void NetworkGameListRequery()
{
static uint8 requery_cnt = 0;
if (++requery_cnt < REQUERY_EVERY_X_GAMELOOPS) return;
requery_cnt = 0;
struct in_addr ip;
NetworkGameList *item;
for (item = _network_game_list; item != NULL; item = item->next) {
item->retries++;
if (item->retries < REFRESH_GAMEINFO_X_REQUERIES && (item->online || item->retries >= MAX_GAME_LIST_REQUERY_COUNT)) continue;
ip.s_addr = item->ip;
/* item gets mostly zeroed by NetworkUDPQueryServer */
uint8 retries = item->retries;
NetworkUDPQueryServer(inet_ntoa(ip), item->port);
item->retries = (retries >= REFRESH_GAMEINFO_X_REQUERIES) ? 0 : retries;
}
}
#endif /* ENABLE_NETWORK */
|