network_udp.c
author tron
Sat, 17 Jun 2006 08:16:58 +0000
changeset 4033 20c942fbe0c0
parent 4026 035972c11282
child 4034 581c6cb62e72
permissions -rw-r--r--
(svn r5292) -Fix: When using SIOCGIFCONF to detect network interfaces accomodate for the fact that struct sockaddr doesn't have fixed size in all implementations
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/* $Id$ */
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#include "stdafx.h"
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#include "debug.h"
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#include "string.h"
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#include "network_data.h"
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#ifdef ENABLE_NETWORK
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#include "map.h"
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#include "network_gamelist.h"
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#include "network_udp.h"
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#include "variables.h"
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extern void UpdateNetworkGameWindow(bool unselect);
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extern void NetworkPopulateCompanyInfo(void);
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//
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// This file handles all the LAN-stuff
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// Stuff like:
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//   - UDP search over the network
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//
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typedef enum {
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	PACKET_UDP_CLIENT_FIND_SERVER,
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	PACKET_UDP_SERVER_RESPONSE,
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	PACKET_UDP_CLIENT_DETAIL_INFO,
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	PACKET_UDP_SERVER_DETAIL_INFO, // Is not used in OpenTTD itself, only for external querying
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	PACKET_UDP_SERVER_REGISTER, // Packet to register itself to the master server
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	PACKET_UDP_MASTER_ACK_REGISTER, // Packet indicating registration has succedeed
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	PACKET_UDP_CLIENT_GET_LIST, // Request for serverlist from master server
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	PACKET_UDP_MASTER_RESPONSE_LIST, // Response from master server with server ip's + port's
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	PACKET_UDP_SERVER_UNREGISTER, // Request to be removed from the server-list
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	PACKET_UDP_END
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} PacketUDPType;
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enum {
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	ADVERTISE_NORMAL_INTERVAL = 30000, // interval between advertising in ticks (15 minutes)
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	ADVERTISE_RETRY_INTERVAL = 300,    // readvertise when no response after this many ticks (9 seconds)
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	ADVERTISE_RETRY_TIMES = 3          // give up readvertising after this much failed retries
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};
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#define DEF_UDP_RECEIVE_COMMAND(type) void NetworkPacketReceive_ ## type ## _command(Packet *p, struct sockaddr_in *client_addr)
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static void NetworkSendUDP_Packet(SOCKET udp, Packet* p, struct sockaddr_in* recv);
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static NetworkClientState _udp_cs;
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DEF_UDP_RECEIVE_COMMAND(PACKET_UDP_CLIENT_FIND_SERVER)
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{
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	Packet *packet;
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	// Just a fail-safe.. should never happen
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	if (!_network_udp_server)
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		return;
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	packet = NetworkSend_Init(PACKET_UDP_SERVER_RESPONSE);
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	// Update some game_info
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	_network_game_info.game_date = _date;
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	_network_game_info.map_width = MapSizeX();
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	_network_game_info.map_height = MapSizeY();
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	_network_game_info.map_set = _opt.landscape;
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	NetworkSend_uint8 (packet, NETWORK_GAME_INFO_VERSION);
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	/* NETWORK_GAME_INFO_VERSION = 2 */
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	NetworkSend_uint8 (packet, _network_game_info.companies_max);
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	NetworkSend_uint8 (packet, ActivePlayerCount());
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	NetworkSend_uint8 (packet, _network_game_info.spectators_max);
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	/* NETWORK_GAME_INFO_VERSION = 1 */
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	NetworkSend_string(packet, _network_game_info.server_name);
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	NetworkSend_string(packet, _network_game_info.server_revision);
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	NetworkSend_uint8 (packet, _network_game_info.server_lang);
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	NetworkSend_uint8 (packet, _network_game_info.use_password);
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	NetworkSend_uint8 (packet, _network_game_info.clients_max);
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	NetworkSend_uint8 (packet, _network_game_info.clients_on);
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	NetworkSend_uint8 (packet, NetworkSpectatorCount());
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	NetworkSend_uint16(packet, _network_game_info.game_date);
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	NetworkSend_uint16(packet, _network_game_info.start_date);
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	NetworkSend_string(packet, _network_game_info.map_name);
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	NetworkSend_uint16(packet, _network_game_info.map_width);
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	NetworkSend_uint16(packet, _network_game_info.map_height);
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	NetworkSend_uint8 (packet, _network_game_info.map_set);
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	NetworkSend_uint8 (packet, _network_game_info.dedicated);
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	// Let the client know that we are here
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	NetworkSendUDP_Packet(_udp_server_socket, packet, client_addr);
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	free(packet);
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	DEBUG(net, 2)("[NET][UDP] Queried from %s", inet_ntoa(client_addr->sin_addr));
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}
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DEF_UDP_RECEIVE_COMMAND(PACKET_UDP_SERVER_RESPONSE)
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{
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	extern const char _openttd_revision[];
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	NetworkGameList *item;
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	byte game_info_version;
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	// Just a fail-safe.. should never happen
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	if (_network_udp_server)
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		return;
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	game_info_version = NetworkRecv_uint8(&_udp_cs, p);
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	if (_udp_cs.quited) return;
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	DEBUG(net, 6)("[NET][UDP] Server response from %s:%d", inet_ntoa(client_addr->sin_addr),ntohs(client_addr->sin_port));
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	// Find next item
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	item = NetworkGameListAddItem(inet_addr(inet_ntoa(client_addr->sin_addr)), ntohs(client_addr->sin_port));
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	/* Please observer the order. In the order in which packets are sent
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	 * they are to be received */
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	switch (game_info_version) {
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		case 2:
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			item->info.companies_max = NetworkRecv_uint8(&_udp_cs, p);
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			item->info.companies_on = NetworkRecv_uint8(&_udp_cs, p);
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			item->info.spectators_max = NetworkRecv_uint8(&_udp_cs, p);
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			/* Fallthrough */
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		case 1:
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			NetworkRecv_string(&_udp_cs, p, item->info.server_name, sizeof(item->info.server_name));
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   123
			NetworkRecv_string(&_udp_cs, p, item->info.server_revision, sizeof(item->info.server_revision));
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   124
			item->info.server_lang   = NetworkRecv_uint8(&_udp_cs, p);
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   125
			item->info.use_password  = NetworkRecv_uint8(&_udp_cs, p);
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   126
			item->info.clients_max   = NetworkRecv_uint8(&_udp_cs, p);
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   127
			item->info.clients_on    = NetworkRecv_uint8(&_udp_cs, p);
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   128
			item->info.spectators_on = NetworkRecv_uint8(&_udp_cs, p);
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			item->info.game_date     = NetworkRecv_uint16(&_udp_cs, p);
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			item->info.start_date    = NetworkRecv_uint16(&_udp_cs, p);
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			NetworkRecv_string(&_udp_cs, p, item->info.map_name, sizeof(item->info.map_name));
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			item->info.map_width     = NetworkRecv_uint16(&_udp_cs, p);
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			item->info.map_height    = NetworkRecv_uint16(&_udp_cs, p);
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			item->info.map_set       = NetworkRecv_uint8(&_udp_cs, p);
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   135
			item->info.dedicated     = NetworkRecv_uint8(&_udp_cs, p);
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   136
2879
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			if (item->info.server_lang >= NETWORK_NUM_LANGUAGES) item->info.server_lang = 0;
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   138
			if (item->info.map_set >= NUM_LANDSCAPE ) item->info.map_set = 0;
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a18db0ab5e51 (svn r3322) - Fix: Network window crash when it receives invalid information for example from the integrated nightly, so validate the network-input when it is received
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parents: 2524
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   139
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			if (item->info.hostname[0] == '\0')
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				snprintf(item->info.hostname, sizeof(item->info.hostname), "%s", inet_ntoa(client_addr->sin_addr));
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   142
ade9a553be53 (svn r3429) - Feature (Followup): Change the gamelist window to accomodate for the new information.
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   143
			/* Check if we are allowed on this server based on the revision-match */
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   144
			item->info.compatible = (
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035972c11282 (svn r5265) Replace a dozen bogus uses of strncmp() by strcmp()
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			strcmp(item->info.server_revision, _openttd_revision) == 0 ||
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   146
			strcmp(item->info.server_revision, NOREV_STRING) == 0) ? true : false;
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   147
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   148
			break;
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   149
	}
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   150
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   151
	item->online = true;
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   153
	UpdateNetworkGameWindow(false);
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   154
}
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   155
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   156
DEF_UDP_RECEIVE_COMMAND(PACKET_UDP_CLIENT_DETAIL_INFO)
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   157
{
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   158
	NetworkClientState *cs;
638
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   159
	NetworkClientInfo *ci;
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	Packet *packet;
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	Player *player;
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	byte current = 0;
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   163
	int i;
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   164
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	// Just a fail-safe.. should never happen
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	if (!_network_udp_server)
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		return;
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   168
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   169
	packet = NetworkSend_Init(PACKET_UDP_SERVER_DETAIL_INFO);
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   170
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	/* Send the amount of active companies */
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	NetworkSend_uint8 (packet, NETWORK_COMPANY_INFO_VERSION);
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2360b2da2bb0 (svn r3500) - Workaround the inaccurate count of spectators/companies that can happen in certain border-cases. For now just dynamically get this value when requested so it is always right. To do properly all player/client creation/destruction needs a hook for networking.
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	NetworkSend_uint8 (packet, ActivePlayerCount());
638
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   174
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	/* Fetch the latest version of everything */
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   176
	NetworkPopulateCompanyInfo();
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   177
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	/* Go through all the players */
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	FOR_ALL_PLAYERS(player) {
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		/* Skip non-active players */
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		if (!player->is_active)
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   182
			continue;
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   183
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   184
		current++;
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   185
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		/* Send the information */
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		NetworkSend_uint8 (packet, current);
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   188
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		NetworkSend_string(packet, _network_player_info[player->index].company_name);
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		NetworkSend_uint8 (packet, _network_player_info[player->index].inaugurated_year);
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   191
		NetworkSend_uint64(packet, _network_player_info[player->index].company_value);
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   192
		NetworkSend_uint64(packet, _network_player_info[player->index].money);
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   193
		NetworkSend_uint64(packet, _network_player_info[player->index].income);
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   194
		NetworkSend_uint16(packet, _network_player_info[player->index].performance);
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   195
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933efc472c62 (svn r1510) -Add: Improved Network Lobby GUI: (bociusz)
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   196
                /* Send 1 if there is a passord for the company else send 0 */
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   197
		if (_network_player_info[player->index].password[0] != '\0') {
1186
2c6e9ee834a3 (svn r1689) -Fix: big typo in network_udp.c, the company-password flag didn't work
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   198
			NetworkSend_uint8 (packet, 1);
1011
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   199
		} else {
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   200
			NetworkSend_uint8 (packet, 0);
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6bae6c11e865 (svn r1520) Trim 134 (!) lines with trailing whitespace ):
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   201
		}
6bae6c11e865 (svn r1520) Trim 134 (!) lines with trailing whitespace ):
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   202
638
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   203
		for (i = 0; i < NETWORK_VEHICLE_TYPES; i++)
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			NetworkSend_uint16(packet, _network_player_info[player->index].num_vehicle[i]);
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   205
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   206
		for (i = 0; i < NETWORK_STATION_TYPES; i++)
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			NetworkSend_uint16(packet, _network_player_info[player->index].num_station[i]);
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   208
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   209
		/* Find the clients that are connected to this player */
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   210
		FOR_ALL_CLIENTS(cs) {
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   211
			ci = DEREF_CLIENT_INFO(cs);
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   212
			if ((ci->client_playas - 1) == player->index) {
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   213
				/* The uint8 == 1 indicates that a client is following */
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				NetworkSend_uint8(packet, 1);
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   215
				NetworkSend_string(packet, ci->client_name);
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				NetworkSend_string(packet, ci->unique_id);
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				NetworkSend_uint16(packet, ci->join_date);
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   218
			}
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   219
		}
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   220
		/* Also check for the server itself */
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   221
		ci = NetworkFindClientInfoFromIndex(NETWORK_SERVER_INDEX);
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   222
		if ((ci->client_playas - 1) == player->index) {
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   223
			/* The uint8 == 1 indicates that a client is following */
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   224
			NetworkSend_uint8(packet, 1);
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   225
			NetworkSend_string(packet, ci->client_name);
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   226
			NetworkSend_string(packet, ci->unique_id);
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   227
			NetworkSend_uint16(packet, ci->join_date);
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   228
		}
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   229
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   230
		/* Indicates end of client list */
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   231
		NetworkSend_uint8(packet, 0);
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   232
	}
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   233
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   234
	/* And check if we have any spectators */
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	FOR_ALL_CLIENTS(cs) {
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		ci = DEREF_CLIENT_INFO(cs);
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		if ((ci->client_playas - 1) > MAX_PLAYERS) {
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			/* The uint8 == 1 indicates that a client is following */
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			NetworkSend_uint8(packet, 1);
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			NetworkSend_string(packet, ci->client_name);
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			NetworkSend_string(packet, ci->unique_id);
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			NetworkSend_uint16(packet, ci->join_date);
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		}
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	}
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	/* Also check for the server itself */
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	ci = NetworkFindClientInfoFromIndex(NETWORK_SERVER_INDEX);
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	if ((ci->client_playas - 1) > MAX_PLAYERS) {
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		/* The uint8 == 1 indicates that a client is following */
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		NetworkSend_uint8(packet, 1);
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		NetworkSend_string(packet, ci->client_name);
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		NetworkSend_string(packet, ci->unique_id);
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		NetworkSend_uint16(packet, ci->join_date);
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	}
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	/* Indicates end of client list */
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	NetworkSend_uint8(packet, 0);
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	NetworkSendUDP_Packet(_udp_server_socket, packet, client_addr);
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	free(packet);
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}
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DEF_UDP_RECEIVE_COMMAND(PACKET_UDP_MASTER_RESPONSE_LIST) {
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	int i;
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	struct in_addr ip;
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	uint16 port;
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	uint8 ver;
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	/* packet begins with the protocol version (uint8)
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	 * then an uint16 which indicates how many
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	 * ip:port pairs are in this packet, after that
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	 * an uint32 (ip) and an uint16 (port) for each pair
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	 */
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	ver = NetworkRecv_uint8(&_udp_cs, p);
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	if (_udp_cs.quited)
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		return;
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	if (ver == 1) {
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		for (i = NetworkRecv_uint16(&_udp_cs, p); i != 0 ; i--) {
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			ip.s_addr = TO_LE32(NetworkRecv_uint32(&_udp_cs, p));
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			port = NetworkRecv_uint16(&_udp_cs, p);
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			NetworkUDPQueryServer(inet_ntoa(ip), port);
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		}
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	}
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}
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DEF_UDP_RECEIVE_COMMAND(PACKET_UDP_MASTER_ACK_REGISTER) {
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	_network_advertise_retries = 0;
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	DEBUG(net, 2)("[NET][UDP] We are advertised on the master-server!");
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	if (!_network_advertise)
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		/* We are advertised, but we don't want to! */
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		NetworkUDPRemoveAdvertise();
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}
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// The layout for the receive-functions by UDP
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typedef void NetworkUDPPacket(Packet *p, struct sockaddr_in *client_addr);
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static NetworkUDPPacket* const _network_udp_packet[] = {
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	RECEIVE_COMMAND(PACKET_UDP_CLIENT_FIND_SERVER),
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	RECEIVE_COMMAND(PACKET_UDP_SERVER_RESPONSE),
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	RECEIVE_COMMAND(PACKET_UDP_CLIENT_DETAIL_INFO),
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	NULL,
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	NULL,
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	RECEIVE_COMMAND(PACKET_UDP_MASTER_ACK_REGISTER),
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	NULL,
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	RECEIVE_COMMAND(PACKET_UDP_MASTER_RESPONSE_LIST),
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	NULL
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};
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// If this fails, check the array above with network_data.h
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assert_compile(lengthof(_network_udp_packet) == PACKET_UDP_END);
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static void NetworkHandleUDPPacket(Packet* p, struct sockaddr_in* client_addr)
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{
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	byte type;
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	/* Fake a client, so we can see when there is an illegal packet */
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	_udp_cs.socket = INVALID_SOCKET;
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	_udp_cs.quited = false;
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	type = NetworkRecv_uint8(&_udp_cs, p);
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	if (type < PACKET_UDP_END && _network_udp_packet[type] != NULL && !_udp_cs.quited) {
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		_network_udp_packet[type](p, client_addr);
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	} else {
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		if (!_udp_cs.quited) {
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			DEBUG(net, 0)("[NET][UDP] Received invalid packet type %d", type);
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		} else {
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			DEBUG(net, 0)("[NET][UDP] Received illegal packet");
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		}
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	}
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}
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// Send a packet over UDP
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static void NetworkSendUDP_Packet(SOCKET udp, Packet* p, struct sockaddr_in* recv)
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{
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	int res;
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	// Put the length in the buffer
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	p->buffer[0] = p->size & 0xFF;
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	p->buffer[1] = p->size >> 8;
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   349
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	// Send the buffer
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	res = sendto(udp, p->buffer, p->size, 0, (struct sockaddr *)recv, sizeof(*recv));
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	// Check for any errors, but ignore it for the rest
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	if (res == -1) {
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		DEBUG(net, 1)("[NET][UDP] Send error: %i", GET_LAST_ERROR());
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	}
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}
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   358
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// Start UDP listener
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bool NetworkUDPListen(SOCKET *udp, uint32 host, uint16 port, bool broadcast)
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   361
{
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   362
	struct sockaddr_in sin;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   363
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
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parents: 738
diff changeset
   364
	// Make sure socket is closed
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   365
	closesocket(*udp);
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   366
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   367
	*udp = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   368
	if (*udp == INVALID_SOCKET) {
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   369
		DEBUG(net, 1)("[NET][UDP] Failed to start UDP support");
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   370
		return false;
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   371
	}
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   372
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   373
	// set nonblocking mode for socket
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   374
	{
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   375
		unsigned long blocking = 1;
2497
0fe349de34c7 (svn r3023) -Fix [BeOS] fixed compilation on BeOS R5 (MYOB)
bjarni
parents: 2186
diff changeset
   376
#ifndef BEOS_NET_SERVER
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
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parents: 738
diff changeset
   377
		ioctlsocket(*udp, FIONBIO, &blocking);
2497
0fe349de34c7 (svn r3023) -Fix [BeOS] fixed compilation on BeOS R5 (MYOB)
bjarni
parents: 2186
diff changeset
   378
#else
2524
4882fdefb2cb (svn r3053) -Fix: [ 1326604 ] Fixed typo and hang for BeOS Networking (MYOB)
truelight
parents: 2497
diff changeset
   379
		setsockopt(*udp, SOL_SOCKET, SO_NONBLOCK, &blocking, NULL);
2497
0fe349de34c7 (svn r3023) -Fix [BeOS] fixed compilation on BeOS R5 (MYOB)
bjarni
parents: 2186
diff changeset
   380
#endif
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   381
	}
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   382
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   383
	sin.sin_family = AF_INET;
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   384
	// Listen on all IPs
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   385
	sin.sin_addr.s_addr = host;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   386
	sin.sin_port = htons(port);
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   387
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   388
	if (bind(*udp, (struct sockaddr*)&sin, sizeof(sin)) != 0) {
629
4bb1f0fb0109 (svn r1059) -Fix: [Console] Renamed 'set port' to 'set server_port'
truelight
parents: 543
diff changeset
   389
		DEBUG(net, 1) ("[NET][UDP] error: bind failed on %s:%i", inet_ntoa(*(struct in_addr *)&host), port);
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   390
		return false;
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   391
	}
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   392
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
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parents: 738
diff changeset
   393
	if (broadcast) {
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   394
		/* Enable broadcast */
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   395
		unsigned long val = 1;
2497
0fe349de34c7 (svn r3023) -Fix [BeOS] fixed compilation on BeOS R5 (MYOB)
bjarni
parents: 2186
diff changeset
   396
#ifndef BEOS_NET_SERVER // will work around this, some day; maybe.
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   397
		setsockopt(*udp, SOL_SOCKET, SO_BROADCAST, (char *) &val , sizeof(val));
2497
0fe349de34c7 (svn r3023) -Fix [BeOS] fixed compilation on BeOS R5 (MYOB)
bjarni
parents: 2186
diff changeset
   398
#endif
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   399
	}
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   400
629
4bb1f0fb0109 (svn r1059) -Fix: [Console] Renamed 'set port' to 'set server_port'
truelight
parents: 543
diff changeset
   401
	DEBUG(net, 1)("[NET][UDP] Listening on port %s:%d", inet_ntoa(*(struct in_addr *)&host), port);
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   402
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   403
	return true;
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   404
}
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   405
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   406
// Close UDP connection
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   407
void NetworkUDPClose(void)
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   408
{
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   409
	DEBUG(net, 1) ("[NET][UDP] Closed listeners");
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   410
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   411
	if (_network_udp_server) {
985
6d7df77b672d (svn r1483) -Fix: don't close a socket if it is already closed (windows doesn't like
truelight
parents: 903
diff changeset
   412
		if (_udp_server_socket != INVALID_SOCKET) {
6d7df77b672d (svn r1483) -Fix: don't close a socket if it is already closed (windows doesn't like
truelight
parents: 903
diff changeset
   413
			closesocket(_udp_server_socket);
6d7df77b672d (svn r1483) -Fix: don't close a socket if it is already closed (windows doesn't like
truelight
parents: 903
diff changeset
   414
			_udp_server_socket = INVALID_SOCKET;
6d7df77b672d (svn r1483) -Fix: don't close a socket if it is already closed (windows doesn't like
truelight
parents: 903
diff changeset
   415
		}
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   416
985
6d7df77b672d (svn r1483) -Fix: don't close a socket if it is already closed (windows doesn't like
truelight
parents: 903
diff changeset
   417
		if (_udp_master_socket != INVALID_SOCKET) {
6d7df77b672d (svn r1483) -Fix: don't close a socket if it is already closed (windows doesn't like
truelight
parents: 903
diff changeset
   418
			closesocket(_udp_master_socket);
6d7df77b672d (svn r1483) -Fix: don't close a socket if it is already closed (windows doesn't like
truelight
parents: 903
diff changeset
   419
			_udp_master_socket = INVALID_SOCKET;
6d7df77b672d (svn r1483) -Fix: don't close a socket if it is already closed (windows doesn't like
truelight
parents: 903
diff changeset
   420
		}
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   421
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   422
		_network_udp_server = false;
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   423
		_network_udp_broadcast = 0;
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   424
	} else {
985
6d7df77b672d (svn r1483) -Fix: don't close a socket if it is already closed (windows doesn't like
truelight
parents: 903
diff changeset
   425
		if (_udp_client_socket != INVALID_SOCKET) {
6d7df77b672d (svn r1483) -Fix: don't close a socket if it is already closed (windows doesn't like
truelight
parents: 903
diff changeset
   426
			closesocket(_udp_client_socket);
6d7df77b672d (svn r1483) -Fix: don't close a socket if it is already closed (windows doesn't like
truelight
parents: 903
diff changeset
   427
			_udp_client_socket = INVALID_SOCKET;
6d7df77b672d (svn r1483) -Fix: don't close a socket if it is already closed (windows doesn't like
truelight
parents: 903
diff changeset
   428
		}
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   429
		_network_udp_broadcast = 0;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   430
	}
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   431
}
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   432
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   433
// Receive something on UDP level
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   434
void NetworkUDPReceive(SOCKET udp)
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   435
{
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   436
	struct sockaddr_in client_addr;
1343
19445bf5b17e (svn r1847) Adjustment for MorphOS to unbreak the build there and removal of some now obsolete preprocessor magic
tron
parents: 1329
diff changeset
   437
	socklen_t client_len;
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   438
	int nbytes;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   439
	static Packet *p = NULL;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   440
	int packet_len;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   441
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   442
	// If p is NULL, malloc him.. this prevents unneeded mallocs
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   443
	if (p == NULL)
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   444
		p = malloc(sizeof(Packet));
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   445
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   446
	packet_len = sizeof(p->buffer);
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   447
	client_len = sizeof(client_addr);
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   448
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   449
	// Try to receive anything
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   450
	nbytes = recvfrom(udp, p->buffer, packet_len, 0, (struct sockaddr *)&client_addr, &client_len);
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   451
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   452
	// We got some bytes.. just asume we receive the whole packet
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   453
	if (nbytes > 0) {
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   454
		// Get the size of the buffer
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   455
		p->size = (uint16)p->buffer[0];
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   456
		p->size += (uint16)p->buffer[1] << 8;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   457
		// Put the position on the right place
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   458
		p->pos = 2;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   459
		p->next = NULL;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   460
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   461
		// Handle the packet
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   462
		NetworkHandleUDPPacket(p, &client_addr);
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   463
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   464
		// Free the packet
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   465
		free(p);
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   466
		p = NULL;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   467
	}
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   468
}
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   469
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   470
// Broadcast to all ips
2817
cdf488223c23 (svn r3365) Staticise 36 functions
tron
parents: 2789
diff changeset
   471
static void NetworkUDPBroadCast(SOCKET udp)
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   472
{
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   473
	int i;
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   474
	struct sockaddr_in out_addr;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   475
	byte *bcptr;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   476
	uint32 bcaddr;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   477
	Packet *p;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   478
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   479
	// Init the packet
638
cb9f5f50d3c7 (svn r1069) -Add: [Network] Added UDP-packet for detail info about a server for
truelight
parents: 629
diff changeset
   480
	p = NetworkSend_Init(PACKET_UDP_CLIENT_FIND_SERVER);
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   481
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   482
	// Go through all the ips on this pc
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   483
	i = 0;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   484
	while (_network_ip_list[i] != 0) {
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   485
		bcaddr = _network_ip_list[i];
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   486
		bcptr = (byte *)&bcaddr;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   487
		// Make the address a broadcast address
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   488
		bcptr[3] = 255;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   489
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   490
		DEBUG(net, 6)("[NET][UDP] Broadcasting to %s", inet_ntoa(*(struct in_addr *)&bcaddr));
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   491
946badd71033 (svn r942) -Merged branch/network back into the trunk
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parents:
diff changeset
   492
		out_addr.sin_family = AF_INET;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   493
		out_addr.sin_port = htons(_network_server_port);
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   494
		out_addr.sin_addr.s_addr = bcaddr;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   495
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   496
		NetworkSendUDP_Packet(udp, p, &out_addr);
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   497
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   498
		i++;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   499
	}
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   500
}
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   501
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   502
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   503
// Request the the server-list from the master server
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   504
void NetworkUDPQueryMasterServer(void)
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   505
{
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   506
	struct sockaddr_in out_addr;
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   507
	Packet *p;
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   508
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   509
	if (_udp_client_socket == INVALID_SOCKET)
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   510
		if (!NetworkUDPListen(&_udp_client_socket, 0, 0, true))
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   511
			return;
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   512
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   513
	p = NetworkSend_Init(PACKET_UDP_CLIENT_GET_LIST);
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   514
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   515
	out_addr.sin_family = AF_INET;
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   516
	out_addr.sin_port = htons(NETWORK_MASTER_SERVER_PORT);
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   517
	out_addr.sin_addr.s_addr = NetworkResolveHost(NETWORK_MASTER_SERVER_HOST);
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   518
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   519
	// packet only contains protocol version
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   520
	NetworkSend_uint8(p, NETWORK_MASTER_SERVER_VERSION);
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   521
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   522
	NetworkSendUDP_Packet(_udp_client_socket, p, &out_addr);
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   523
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   524
	DEBUG(net, 2)("[NET][UDP] Queried Master Server at %s:%d", inet_ntoa(out_addr.sin_addr),ntohs(out_addr.sin_port));
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   525
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   526
	free(p);
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   527
}
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   528
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   529
// Find all servers
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   530
void NetworkUDPSearchGame(void)
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   531
{
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   532
	// We are still searching..
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   533
	if (_network_udp_broadcast > 0)
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   534
		return;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   535
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   536
	// No UDP-socket yet..
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   537
	if (_udp_client_socket == INVALID_SOCKET)
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   538
		if (!NetworkUDPListen(&_udp_client_socket, 0, 0, true))
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   539
			return;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   540
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   541
	DEBUG(net, 0)("[NET][UDP] Searching server");
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   542
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   543
	NetworkUDPBroadCast(_udp_client_socket);
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   544
	_network_udp_broadcast = 300; // Stay searching for 300 ticks
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   545
}
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   546
1329
6988419aa6f0 (svn r1833) byte -> char transition: the rest
tron
parents: 1317
diff changeset
   547
NetworkGameList *NetworkUDPQueryServer(const char* host, unsigned short port)
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   548
{
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   549
	struct sockaddr_in out_addr;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   550
	Packet *p;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   551
	NetworkGameList *item;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   552
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   553
	// No UDP-socket yet..
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   554
	if (_udp_client_socket == INVALID_SOCKET)
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   555
		if (!NetworkUDPListen(&_udp_client_socket, 0, 0, true))
738
b96ab9e63d22 (svn r1194) Feature: You can now add and remove servers from the server list. Those will be remembered until you delete them by pressing the Delete key.
dominik
parents: 716
diff changeset
   556
			return NULL;
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   557
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   558
	out_addr.sin_family = AF_INET;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   559
	out_addr.sin_port = htons(port);
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   560
	out_addr.sin_addr.s_addr = NetworkResolveHost(host);
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   561
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   562
	// Clear item in gamelist
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   563
	item = NetworkGameListAddItem(inet_addr(inet_ntoa(out_addr.sin_addr)), ntohs(out_addr.sin_port));
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   564
	memset(&item->info, 0, sizeof(item->info));
3550
1c07423d9bf2 (svn r4416) Remove a pointless buffer copy and use strlcpy() instead of snprintf("%s")
tron
parents: 3547
diff changeset
   565
	ttd_strlcpy(item->info.server_name, host, lengthof(item->info.server_name));
1c07423d9bf2 (svn r4416) Remove a pointless buffer copy and use strlcpy() instead of snprintf("%s")
tron
parents: 3547
diff changeset
   566
	ttd_strlcpy(item->info.hostname, host, lengthof(item->info.hostname));
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   567
	item->online = false;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   568
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   569
	// Init the packet
638
cb9f5f50d3c7 (svn r1069) -Add: [Network] Added UDP-packet for detail info about a server for
truelight
parents: 629
diff changeset
   570
	p = NetworkSend_Init(PACKET_UDP_CLIENT_FIND_SERVER);
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   571
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   572
	NetworkSendUDP_Packet(_udp_client_socket, p, &out_addr);
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   573
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   574
	free(p);
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   575
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   576
	UpdateNetworkGameWindow(false);
738
b96ab9e63d22 (svn r1194) Feature: You can now add and remove servers from the server list. Those will be remembered until you delete them by pressing the Delete key.
dominik
parents: 716
diff changeset
   577
	return item;
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   578
}
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   579
765
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   580
/* Remove our advertise from the master-server */
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   581
void NetworkUDPRemoveAdvertise(void)
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   582
{
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   583
	struct sockaddr_in out_addr;
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   584
	Packet *p;
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   585
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   586
	/* Check if we are advertising */
1832
553803be0b29 (svn r2337) -Fix: NetworkUDPRemoveAdvertise wasn't fully correct (which made Darkvater go crazy ;))
truelight
parents: 1343
diff changeset
   587
	if (!_networking || !_network_server || !_network_udp_server)
765
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   588
		return;
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   589
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   590
	/* check for socket */
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   591
	if (_udp_master_socket == INVALID_SOCKET)
805
175b92d3c196 (svn r1276) -Fix: [Network] Bug in bind system. Advertising failed on systems with
truelight
parents: 765
diff changeset
   592
		if (!NetworkUDPListen(&_udp_master_socket, _network_server_bind_ip, 0, false))
765
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   593
			return;
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   594
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   595
	DEBUG(net, 2)("[NET][UDP] Removing advertise..");
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   596
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   597
	/* Find somewhere to send */
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   598
	out_addr.sin_family = AF_INET;
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   599
	out_addr.sin_port = htons(NETWORK_MASTER_SERVER_PORT);
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   600
	out_addr.sin_addr.s_addr = NetworkResolveHost(NETWORK_MASTER_SERVER_HOST);
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   601
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   602
	/* Send the packet */
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   603
	p = NetworkSend_Init(PACKET_UDP_SERVER_UNREGISTER);
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   604
	/* Packet is: Version, server_port */
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   605
	NetworkSend_uint8(p, NETWORK_MASTER_SERVER_VERSION);
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   606
	NetworkSend_uint16(p, _network_server_port);
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   607
	NetworkSendUDP_Packet(_udp_master_socket, p, &out_addr);
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   608
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   609
	free(p);
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   610
}
18104986675d (svn r1228) -Add: [Network] When a server normally shuts down, it removed itself
truelight
parents: 764
diff changeset
   611
668
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   612
/* Register us to the master server
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   613
     This function checks if it needs to send an advertise */
716
8af847728d5b (svn r1168) -Cleanup: [Network] Cleaned the network code a bit. Added 'const'
truelight
parents: 668
diff changeset
   614
void NetworkUDPAdvertise(void)
668
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   615
{
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   616
	struct sockaddr_in out_addr;
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   617
	Packet *p;
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   618
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   619
	/* Check if we should send an advertise */
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   620
	if (!_networking || !_network_server || !_network_udp_server || !_network_advertise)
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   621
		return;
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   622
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   623
	/* check for socket */
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   624
	if (_udp_master_socket == INVALID_SOCKET)
805
175b92d3c196 (svn r1276) -Fix: [Network] Bug in bind system. Advertising failed on systems with
truelight
parents: 765
diff changeset
   625
		if (!NetworkUDPListen(&_udp_master_socket, _network_server_bind_ip, 0, false))
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   626
			return;
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   627
2861
e42d249af3cb (svn r3409) - Change the server advertisement interval to use the frame counter instead
peter1138
parents: 2817
diff changeset
   628
	if (_network_need_advertise) {
e42d249af3cb (svn r3409) - Change the server advertisement interval to use the frame counter instead
peter1138
parents: 2817
diff changeset
   629
		_network_need_advertise = false;
e42d249af3cb (svn r3409) - Change the server advertisement interval to use the frame counter instead
peter1138
parents: 2817
diff changeset
   630
		_network_advertise_retries = ADVERTISE_RETRY_TIMES;
e42d249af3cb (svn r3409) - Change the server advertisement interval to use the frame counter instead
peter1138
parents: 2817
diff changeset
   631
	} else {
e42d249af3cb (svn r3409) - Change the server advertisement interval to use the frame counter instead
peter1138
parents: 2817
diff changeset
   632
		/* Only send once every ADVERTISE_NORMAL_INTERVAL ticks */
e42d249af3cb (svn r3409) - Change the server advertisement interval to use the frame counter instead
peter1138
parents: 2817
diff changeset
   633
		if (_network_advertise_retries == 0) {
e42d249af3cb (svn r3409) - Change the server advertisement interval to use the frame counter instead
peter1138
parents: 2817
diff changeset
   634
			if ((_network_last_advertise_frame + ADVERTISE_NORMAL_INTERVAL) > _frame_counter)
e42d249af3cb (svn r3409) - Change the server advertisement interval to use the frame counter instead
peter1138
parents: 2817
diff changeset
   635
				return;
e42d249af3cb (svn r3409) - Change the server advertisement interval to use the frame counter instead
peter1138
parents: 2817
diff changeset
   636
			_network_advertise_retries = ADVERTISE_RETRY_TIMES;
e42d249af3cb (svn r3409) - Change the server advertisement interval to use the frame counter instead
peter1138
parents: 2817
diff changeset
   637
		}
e42d249af3cb (svn r3409) - Change the server advertisement interval to use the frame counter instead
peter1138
parents: 2817
diff changeset
   638
e42d249af3cb (svn r3409) - Change the server advertisement interval to use the frame counter instead
peter1138
parents: 2817
diff changeset
   639
		if ((_network_last_advertise_frame + ADVERTISE_RETRY_INTERVAL) > _frame_counter)
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   640
			return;
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   641
	}
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   642
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   643
	_network_advertise_retries--;
2861
e42d249af3cb (svn r3409) - Change the server advertisement interval to use the frame counter instead
peter1138
parents: 2817
diff changeset
   644
	_network_last_advertise_frame = _frame_counter;
668
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   645
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   646
	/* Find somewhere to send */
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   647
	out_addr.sin_family = AF_INET;
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   648
	out_addr.sin_port = htons(NETWORK_MASTER_SERVER_PORT);
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   649
	out_addr.sin_addr.s_addr = NetworkResolveHost(NETWORK_MASTER_SERVER_HOST);
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   650
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   651
	DEBUG(net, 1)("[NET][UDP] Advertising to master server");
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   652
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   653
	/* Send the packet */
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   654
	p = NetworkSend_Init(PACKET_UDP_SERVER_REGISTER);
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   655
	/* Packet is: WELCOME_MESSAGE, Version, server_port */
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   656
	NetworkSend_string(p, NETWORK_MASTER_SERVER_WELCOME_MESSAGE);
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   657
	NetworkSend_uint8(p, NETWORK_MASTER_SERVER_VERSION);
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   658
	NetworkSend_uint16(p, _network_server_port);
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   659
	NetworkSendUDP_Packet(_udp_master_socket, p, &out_addr);
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   660
668
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   661
	free(p);
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   662
}
1fe298df8526 (svn r1106) -Add: [Network] Added master-server protocol and advertise to
truelight
parents: 638
diff changeset
   663
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   664
void NetworkUDPInitialize(void)
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   665
{
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   666
	_udp_client_socket = INVALID_SOCKET;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   667
	_udp_server_socket = INVALID_SOCKET;
764
7e1e17b7c7d4 (svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
truelight
parents: 738
diff changeset
   668
	_udp_master_socket = INVALID_SOCKET;
543
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   669
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   670
	_network_udp_server = false;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   671
	_network_udp_broadcast = 0;
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   672
}
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   673
946badd71033 (svn r942) -Merged branch/network back into the trunk
truelight
parents:
diff changeset
   674
#endif /* ENABLE_NETWORK */