1 /* $Id$ */

     2 

     3 #ifdef ENABLE_NETWORK

     4 

     5 #include "stdafx.h"

     6 #include "debug.h"

     7 #include "network_data.h"

     8 #include "newgrf_config.h"

     9 

    10 // This file handles the GameList

    11 // Also, it handles the request to a server for data about the server

    12 

    13 /** Add a new item to the linked gamelist. If the IP and Port match

    14  * return the existing item instead of adding it again

    15  * @param ip the IP-address (inet_addr) of the to-be added item

    16  * @param port the port the server is running on

    17  * @return a point to the newly added or already existing item */

    18 NetworkGameList *NetworkGameListAddItem(uint32 ip, uint16 port)

    19 {

    20 	NetworkGameList *item, *prev_item;

    21 

    22 	prev_item = NULL;

    23 	for (item = _network_game_list; item != NULL; item = item->next) {

    24 		if (item->ip == ip && item->port == port) return item;

    25 		prev_item = item;

    26 	}

    27 

    28 	item = malloc(sizeof(*item));

    29 	memset(item, 0, sizeof(*item));

    30 	item->next = NULL;

    31 	item->ip = ip;

    32 	item->port = port;

    33 

    34 	if (prev_item == NULL) {

    35 		_network_game_list = item;

    36 	} else {

    37 		prev_item->next = item;

    38 	}

    39 	DEBUG(net, 4, "[gamelist] added server to list");

    40 

    41 	UpdateNetworkGameWindow(false);

    42 

    43 	return item;

    44 }

    45 

    46 /** Remove an item from the gamelist linked list

    47  * @param remove pointer to the item to be removed */

    48 void NetworkGameListRemoveItem(NetworkGameList *remove)

    49 {

    50 	NetworkGameList *item, *prev_item;

    51 

    52 	prev_item = NULL;

    53 	for (item = _network_game_list; item != NULL; item = item->next) {

    54 		if (remove == item) {

    55 			if (prev_item == NULL) {

    56 				_network_game_list = remove->next;

    57 			} else {

    58 				prev_item->next = remove->next;

    59 			}

    60 

    61 			/* Remove GRFConfig information */

    62 			ClearGRFConfigList(&remove->info.grfconfig);

    63 			free(remove);

    64 			remove = NULL;

    65 

    66 			DEBUG(net, 4, "[gamelist] removed server from list");

    67 			UpdateNetworkGameWindow(false);

    68 			return;

    69 		}

    70 		prev_item = item;

    71 	}

    72 }

    73 

    74 #endif /* ENABLE_NETWORK */