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@ r7034:02d83c0816e7
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Location: cpp/openttd-patchpack/source/src/network/network_gamelist.cpp
r7034:02d83c0816e7
2.9 KiB
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(svn r10298) -Fix [FS#903]: show the subdirectory below the default data directory in this filename in the newgrf list. The directory was removed in r9560 because then it used to full path instead of the path relative to the data directory, but since the inclusion of "search paths" that is not necessary anymore.
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/**
* @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 "../helpers.hpp"
#include "core/game.h"
#include "network_udp.h"
#include "network_gamelist.h"
#include "network_gui.h"
NetworkGameList *_network_game_list = NULL;
/** Should we stop/contiue requerying of offline servers? */
static bool _stop_requerying = false;
/** 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);
_stop_requerying = 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,
REQUERY_EVERY_X_GAMELOOPS = 60,
};
/** Requeries the (game) servers we have not gotten a reply from */
void NetworkGameListRequery()
{
static uint8 requery_cnt = 0;
if (_stop_requerying || ++requery_cnt < REQUERY_EVERY_X_GAMELOOPS) return;
requery_cnt = 0;
_stop_requerying = true;
struct in_addr ip;
NetworkGameList *item;
for (item = _network_game_list; item != NULL; item = item->next) {
if (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 + 1;
_stop_requerying = false;
}
}
#endif /* ENABLE_NETWORK */
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