author | peter1138 |
Sun, 03 Aug 2008 17:35:08 +0000 | |
changeset 9834 | 7474149531c1 |
parent 9428 | 1ba05b499957 |
permissions | -rw-r--r-- |
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/* $Id$ */ |
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||
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/** |
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* @file network_gamelist.cpp This file handles the GameList |
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* Also, it handles the request to a server for data about the server |
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*/ |
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#ifdef ENABLE_NETWORK |
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#include "../stdafx.h" |
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#include "../debug.h" |
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#include "../newgrf_config.h" |
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#include "../core/alloc_func.hpp" |
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#include "network_internal.h" |
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#include "core/game.h" |
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#include "network_udp.h" |
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#include "network_gamelist.h" |
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#include "network_gui.h" |
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|
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NetworkGameList *_network_game_list = NULL; |
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/** Add a new item to the linked gamelist. If the IP and Port match |
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* return the existing item instead of adding it again |
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* @param ip the IP-address (inet_addr) of the to-be added item |
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* @param port the port the server is running on |
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* @return a point to the newly added or already existing item */ |
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NetworkGameList *NetworkGameListAddItem(uint32 ip, uint16 port) |
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{ |
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if (ip == 0) return NULL; |
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|
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NetworkGameList *item, *prev_item; |
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|
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prev_item = NULL; |
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for (item = _network_game_list; item != NULL; item = item->next) { |
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if (item->ip == ip && item->port == port) return item; |
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prev_item = item; |
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} |
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|
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item = MallocT<NetworkGameList>(1); |
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memset(item, 0, sizeof(*item)); |
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item->next = NULL; |
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item->ip = ip; |
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item->port = port; |
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|
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if (prev_item == NULL) { |
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_network_game_list = item; |
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} else { |
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prev_item->next = item; |
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} |
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DEBUG(net, 4, "[gamelist] added server to list"); |
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UpdateNetworkGameWindow(false); |
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return item; |
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} |
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|
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/** Remove an item from the gamelist linked list |
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* @param remove pointer to the item to be removed */ |
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void NetworkGameListRemoveItem(NetworkGameList *remove) |
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{ |
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NetworkGameList *item, *prev_item; |
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|
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prev_item = NULL; |
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for (item = _network_game_list; item != NULL; item = item->next) { |
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if (remove == item) { |
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if (prev_item == NULL) { |
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_network_game_list = remove->next; |
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} else { |
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prev_item->next = remove->next; |
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} |
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|
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/* Remove GRFConfig information */ |
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ClearGRFConfigList(&remove->info.grfconfig); |
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free(remove); |
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remove = NULL; |
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|
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DEBUG(net, 4, "[gamelist] removed server from list"); |
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UpdateNetworkGameWindow(false); |
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return; |
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} |
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prev_item = item; |
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} |
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} |
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|
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enum { |
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MAX_GAME_LIST_REQUERY_COUNT = 5, ///< How often do we requery in number of times per server? |
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REQUERY_EVERY_X_GAMELOOPS = 60, ///< How often do we requery in time? |
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REFRESH_GAMEINFO_X_REQUERIES = 50, ///< Refresh the game info itself after REFRESH_GAMEINFO_X_REQUERIES * REQUERY_EVERY_X_GAMELOOPS game loops |
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}; |
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|
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/** Requeries the (game) servers we have not gotten a reply from */ |
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void NetworkGameListRequery() |
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{ |
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static uint8 requery_cnt = 0; |
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|
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if (++requery_cnt < REQUERY_EVERY_X_GAMELOOPS) return; |
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requery_cnt = 0; |
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|
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struct in_addr ip; |
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NetworkGameList *item; |
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|
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for (item = _network_game_list; item != NULL; item = item->next) { |
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item->retries++; |
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if (item->retries < REFRESH_GAMEINFO_X_REQUERIES && (item->online || item->retries >= MAX_GAME_LIST_REQUERY_COUNT)) continue; |
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ip.s_addr = item->ip; |
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108 |
/* item gets mostly zeroed by NetworkUDPQueryServer */ |
893fe6a810dc
(svn r8520) -Fix/Feature: requery gameservers that did not respond to their first query.
rubidium
parents:
5609
diff
changeset
|
109 |
uint8 retries = item->retries; |
893fe6a810dc
(svn r8520) -Fix/Feature: requery gameservers that did not respond to their first query.
rubidium
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changeset
|
110 |
NetworkUDPQueryServer(inet_ntoa(ip), item->port); |
7331
7e3503b13496
(svn r10694) -Codechange: update the server information in the game list every once in a while so the information stays fairly up-to-date when you are looking through the servers.
rubidium
parents:
6247
diff
changeset
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111 |
item->retries = (retries >= REFRESH_GAMEINFO_X_REQUERIES) ? 0 : retries; |
5897
893fe6a810dc
(svn r8520) -Fix/Feature: requery gameservers that did not respond to their first query.
rubidium
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changeset
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112 |
} |
893fe6a810dc
(svn r8520) -Fix/Feature: requery gameservers that did not respond to their first query.
rubidium
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changeset
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113 |
} |
893fe6a810dc
(svn r8520) -Fix/Feature: requery gameservers that did not respond to their first query.
rubidium
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changeset
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114 |
|
543
946badd71033
(svn r942) -Merged branch/network back into the trunk
truelight
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diff
changeset
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115 |
#endif /* ENABLE_NETWORK */ |