Changeset - r764:b278ee9c19c0
[Not reviewed]
master
0 9 0
truelight - 19 years ago 2004-12-22 18:42:56
truelight@openttd.org
(svn r1227) -Add: Ingame Server-list (select Internet, then Find Servers)
-Fix: UDPListener was launched wrongly
-Fix: Not all sockets have broadcast enabled anymore
-Fix: Server-advertise retries 3 times before giving up
9 files changed with 187 insertions and 76 deletions:
0 comments (0 inline, 0 general)
lang/english.txt
Show inline comments
 
@@ -1247,6 +1247,8 @@ STR_NETWORK_SELECT_MAP_TIP					:{BLACK}W
 
STR_NETWORK_NUMBER_OF_CLIENTS					:{BLACK}Maximum allowed clients:
 
STR_NETWORK_NUMBER_OF_CLIENTS_TIP				:{BLACK}Choose the maximum number of clients. Not all slots need to be filled
 
STR_NETWORK_COMBO1						:{BLACK}{SKIP}{SKIP}{SKIP}{SKIP}{SKIP}{SKIP}{SKIP}{STRING}
 
STR_NETWORK_LAN										:LAN
 
STR_NETWORK_INTERNET							:Internet
 
STR_NETWORK_LAN_INTERNET					:LAN / Internet
 
STR_NETWORK_INTERNET_ADVERTISE					:Internet (advertise)
 
STR_NETWORK_COMBO2						:{BLACK}{SKIP}{SKIP}{SKIP}{SKIP}{SKIP}{SKIP}{SKIP}{SKIP}{SKIP}{STRING}
misc.c
Show inline comments
 
@@ -99,6 +99,9 @@ void SetDate(uint date)
 
	ConvertDayToYMD(&ymd, _date = date);
 
	_cur_year = ymd.year;
 
	_cur_month = ymd.month;
 
#ifdef ENABLE_NETWORK
 
	_network_last_advertise_date = 0;
 
#endif /* ENABLE_NETWORK */
 
}
 

	
 

	
network.c
Show inline comments
 
@@ -747,7 +747,6 @@ static void NetworkClose(void)
 
static void NetworkInitialize(void)
 
{
 
	NetworkClientState *cs;
 
	uint i;
 

	
 
	_local_command_queue = NULL;
 

	
 
@@ -772,12 +771,6 @@ static void NetworkInitialize(void)
 
	InitPlayerRandoms();
 

	
 
	NetworkUDPInitialize();
 

	
 
	// add all servers from the config file to our list
 
	for (i=0; i != lengthof(_network_host_list); i++) {
 
		if (_network_host_list[i] == NULL) break;
 
		NetworkAddServer(_network_host_list[i]);
 
	}
 
}
 

	
 
// Query a server to fetch his game-info
 
@@ -946,7 +939,7 @@ bool NetworkServerStart(void)
 

	
 
	// Try to start UDP-server
 
	_network_udp_server = true;
 
	_network_udp_server = NetworkUDPListen(_network_server_bind_ip, _network_server_port);
 
	_network_udp_server = NetworkUDPListen(&_udp_server_socket, _network_server_bind_ip, _network_server_port, false);
 

	
 
	_network_server = true;
 
	_networking = true;
 
@@ -1179,10 +1172,14 @@ static bool NetworkDoClientLoop(void)
 
// We have to do some UDP checking
 
void NetworkUDPGameLoop(void)
 
{
 
	if (_network_udp_server)
 
		NetworkUDPReceive();
 
	if (_network_udp_server) {
 
		NetworkUDPReceive(_udp_server_socket);
 
		if (_udp_master_socket != INVALID_SOCKET) {
 
			NetworkUDPReceive(_udp_master_socket);
 
		}
 
	}
 
	else if (_udp_client_socket != INVALID_SOCKET) {
 
		NetworkUDPReceive();
 
		NetworkUDPReceive(_udp_client_socket);
 
		if (_network_udp_broadcast > 0)
 
			_network_udp_broadcast--;
 
	}
 
@@ -1260,6 +1257,7 @@ void NetworkStartUp(void)
 
	_network_available = true;
 
	_network_dedicated = false;
 
	_network_last_advertise_date = 0;
 
	_network_advertise_retries = 0;
 

	
 
	/* Load the ip from the openttd.cfg */
 
	_network_server_bind_ip = inet_addr(_network_server_bind_ip_host);
network.h
Show inline comments
 
@@ -176,8 +176,11 @@ VARDEF uint8 _network_reconnect;
 
VARDEF bool _network_udp_server;
 
VARDEF uint16 _network_udp_broadcast;
 

	
 
VARDEF byte _network_lan_internet;
 

	
 
VARDEF bool _network_advertise;
 
VARDEF uint16 _network_last_advertise_date;
 
VARDEF uint8 _network_advertise_retries;
 

	
 
VARDEF bool _network_autoclean_companies;
 
VARDEF uint8 _network_autoclean_unprotected; // Remove a company after X months
network_data.h
Show inline comments
 
@@ -170,6 +170,8 @@ typedef enum {
 
CommandPacket *_local_command_queue;
 

	
 
SOCKET _udp_client_socket; // udp client socket
 
SOCKET _udp_server_socket; // udp server socket
 
SOCKET _udp_master_socket; // udp master socket
 

	
 
// Here we keep track of the clients
 
//  (and the client uses [0] for his own communication)
network_gui.c
Show inline comments
 
@@ -27,6 +27,7 @@ static void ShowNetworkStartServerWindow
 
static void ShowNetworkLobbyWindow(void);
 

	
 
static byte _selected_field;
 
static bool _first_time_show_network_game_window = true;
 

	
 
static const StringID _connection_types_dropdown[] = {
 
	STR_NETWORK_LAN_INTERNET,
 
@@ -34,6 +35,12 @@ static const StringID _connection_types_
 
	INVALID_STRING_ID
 
};
 

	
 
static const StringID _lan_internet_types_dropdown[] = {
 
	STR_NETWORK_LAN,
 
	STR_NETWORK_INTERNET,
 
	INVALID_STRING_ID
 
};
 

	
 
static StringID _str_map_name, _str_game_name, _str_server_version, _str_server_address;
 

	
 
enum {
 
@@ -76,24 +83,26 @@ static void NetworkGameWindowWndProc(Win
 
		w->disabled_state = 0;
 

	
 
		if (_selected_item == NULL) {
 
			SETBIT(w->disabled_state, 15); SETBIT(w->disabled_state, 16);
 
			SETBIT(w->disabled_state, 17); SETBIT(w->disabled_state, 18);
 
		} else if (!_selected_item->online) {
 
			SETBIT(w->disabled_state, 15); // Server offline, join button disabled
 
			SETBIT(w->disabled_state, 17); // Server offline, join button disabled
 
		} else if (_selected_item->info.clients_on == _selected_item->info.clients_max) {
 
			SETBIT(w->disabled_state, 15); // Server full, join button disabled
 
			SETBIT(w->disabled_state, 17); // Server full, join button disabled
 

	
 
			// revisions don't match, check if server has no revision; then allow connection
 
		} else if (strncmp(_selected_item->info.server_revision, _openttd_revision, NETWORK_REVISION_LENGTH - 1) != 0) {
 
			if (strncmp(_selected_item->info.server_revision, NOREV_STRING, sizeof(_selected_item->info.server_revision)) != 0)
 
				SETBIT(w->disabled_state, 15); // Revision mismatch, join button disabled
 
				SETBIT(w->disabled_state, 17); // Revision mismatch, join button disabled
 
		}
 

	
 
		SetDParam(0, 0x00);
 
		SetDParam(7, _lan_internet_types_dropdown[_network_lan_internet]);
 
		DrawWindowWidgets(w);
 

	
 
		DrawEditBox(w, 3);
 

	
 
		DrawString(9, 23, STR_NETWORK_PLAYER_NAME, 2);
 
		DrawString(9, 43, STR_NETWORK_CONNECTION, 2);
 

	
 
		DrawString(15, 63, STR_NETWORK_GAME_NAME, 2);
 
		DrawString(135, 63, STR_NETWORK_CLIENTS_CAPTION, 2);
 
@@ -211,10 +220,13 @@ static void NetworkGameWindowWndProc(Win
 
	case WE_CLICK:
 
		_selected_field = e->click.widget;
 
		switch(e->click.widget) {
 
		case 0: case 12: /* Close 'X' | Cancel button */
 
		case 0: case 14: /* Close 'X' | Cancel button */
 
			DeleteWindowById(WC_NETWORK_WINDOW, 0);
 
			break;
 
		case 8: { /* Matrix to show networkgames */
 
		case 4: case 5:
 
			ShowDropDownMenu(w, _lan_internet_types_dropdown, _network_lan_internet, 5, 0); // do it for widget 5
 
			break;
 
		case 10: { /* Matrix to show networkgames */
 
			uint32 id_v = (e->click.pt.y - NET_PRC__OFFSET_TOP_WIDGET) / NET_PRC__SIZE_OF_ROW;
 

	
 
			if (id_v >= w->vscroll.cap) { return;} // click out of bounds
 
@@ -259,10 +271,13 @@ static void NetworkGameWindowWndProc(Win
 
			}
 
			SetWindowDirty(w);
 
		} break;
 
		case 9: /* Find server automatically */
 
			NetworkUDPSearchGame();
 
		case 11: /* Find server automatically */
 
			switch (_network_lan_internet) {
 
				case 0: NetworkUDPSearchGame(); break;
 
				case 1: NetworkUDPQueryMasterServer(); break;
 
			}
 
			break;
 
		case 10: { // Add a server
 
		case 12: { // Add a server
 
				StringID str = AllocateName((byte*)_network_default_ip, 0);
 

	
 
				ShowQueryString(
 
@@ -274,10 +289,10 @@ static void NetworkGameWindowWndProc(Win
 
				w->window_number);
 
				DeleteName(str);
 
		} break;
 
		case 11: /* Start server */
 
		case 13: /* Start server */
 
			ShowNetworkStartServerWindow();
 
			break;
 
		case 15: /* Join Game */
 
		case 17: /* Join Game */
 
			if (_selected_item != NULL) {
 
				memcpy(&_network_game_info, &_selected_item->info, sizeof(NetworkGameInfo));
 
				snprintf(_network_last_host, sizeof(_network_last_host), "%s", inet_ntoa(*(struct in_addr *)&_selected_item->ip));
 
@@ -285,7 +300,7 @@ static void NetworkGameWindowWndProc(Win
 
				ShowNetworkLobbyWindow();
 
			}
 
			break;
 
		case 16: // Refresh
 
		case 18: // Refresh
 
			if (_selected_item != NULL) {
 
				NetworkQueryServer(_selected_item->info.hostname, _selected_item->port, true);
 
			}
 
@@ -293,6 +308,16 @@ static void NetworkGameWindowWndProc(Win
 

	
 
	}	break;
 

	
 
	case WE_DROPDOWN_SELECT: /* we have selected a dropdown item in the list */
 
		switch(e->dropdown.button) {
 
			case 5:
 
				_network_lan_internet = e->dropdown.index;
 
				break;
 
		}
 

	
 
		SetWindowDirty(w);
 
		break;
 

	
 
	case WE_MOUSELOOP:
 
		if (_selected_field == 3)
 
			HandleEditBox(w, 3);
 
@@ -314,7 +339,7 @@ static void NetworkGameWindowWndProc(Win
 

	
 
		switch (HandleEditBoxKey(w, 3, e)) {
 
		case 1:
 
			HandleButtonClick(w, 8);
 
			HandleButtonClick(w, 10);
 
			break;
 
		}
 

	
 
@@ -345,6 +370,9 @@ static const Widget _network_game_window
 
/* LEFT SIDE */
 
{     WWT_IMGBTN,   BGC,    90,   230,    22,    33, 0x0,													STR_NETWORK_ENTER_NAME_TIP},
 

	
 
{          WWT_6,   BGC,    90,   230,    42,    53, STR_NETWORK_COMBO1,					STR_NETWORK_CONNECTION_TIP},
 
{   WWT_CLOSEBOX,   BGC,   219,   229,    43,    52, STR_0225,										STR_NETWORK_CONNECTION_TIP},
 

	
 
{  WWT_SCROLLBAR,   BGC,   220,   230,    62,   185, 0x0,													STR_0190_SCROLL_BAR_SCROLLS_LIST},
 

	
 
{     WWT_IMGBTN,   BTC,    10,   130,    62,    73, 0x0,													STR_NETWORK_GAME_NAME_TIP },
 
@@ -380,9 +408,20 @@ static FiosItem *selected_map = NULL; //
 

	
 
void ShowNetworkGameWindow()
 
{
 
	uint i;
 
	Window *w;
 
	DeleteWindowById(WC_NETWORK_WINDOW, 0);
 

	
 
	/* Only show once */
 
	if (_first_time_show_network_game_window) {
 
		_first_time_show_network_game_window = false;
 
		// add all servers from the config file to our list
 
		for (i=0; i != lengthof(_network_host_list); i++) {
 
			if (_network_host_list[i] == NULL) break;
 
			NetworkAddServer(_network_host_list[i]);
 
		}
 
	}
 

	
 
	w = AllocateWindowDesc(&_network_game_window_desc);
 
	ttd_strlcpy(_edit_str_buf, _network_player_name, MAX_QUERYSTR_LEN);
 
	w->vscroll.cap = 8;
network_udp.c
Show inline comments
 
@@ -4,6 +4,7 @@
 
#ifdef ENABLE_NETWORK
 

	
 
#include "network_gamelist.h"
 
#include "network_udp.h"
 

	
 
extern void UpdateNetworkGameWindow(bool unselect);
 
extern void NetworkPopulateCompanyInfo(void);
 
@@ -20,13 +21,20 @@ typedef enum {
 
	PACKET_UDP_CLIENT_DETAIL_INFO,
 
	PACKET_UDP_SERVER_DETAIL_INFO, // Is not used in OpenTTD itself, only for external querying
 
	PACKET_UDP_SERVER_REGISTER, // Packet to register itself to the master server
 
	PACKET_UDP_MASTER_ACK_REGISTER, // Packet indicating registration has succedeed
 
	PACKET_UDP_CLIENT_GET_LIST, // Request for serverlist from master server
 
	PACKET_UDP_MASTER_RESPONSE_LIST, // Response from master server with server ip's + port's
 
	PACKET_UDP_END
 
} PacketUDPType;
 

	
 
static SOCKET _udp_server_socket; // udp server socket
 
enum {
 
	ADVERTISE_NORMAL_INTERVAL = 450,	// interval between advertising in days
 
	ADVERTISE_RETRY_INTERVAL = 5,			// readvertise when no response after this amount of days
 
	ADVERTISE_RETRY_TIMES = 3					// give up readvertising after this much failed retries
 
};
 

	
 
#define DEF_UDP_RECEIVE_COMMAND(type) void NetworkPacketReceive_ ## type ## _command(Packet *p, struct sockaddr_in *client_addr)
 
void NetworkSendUDP_Packet(Packet *p, struct sockaddr_in *recv);
 
void NetworkSendUDP_Packet(SOCKET udp, Packet *p, struct sockaddr_in *recv);
 

	
 
DEF_UDP_RECEIVE_COMMAND(PACKET_UDP_CLIENT_FIND_SERVER)
 
{
 
@@ -58,7 +66,7 @@ DEF_UDP_RECEIVE_COMMAND(PACKET_UDP_CLIEN
 
	NetworkSend_uint8 (packet, _network_game_info.dedicated);
 

	
 
	// Let the client know that we are here
 
	NetworkSendUDP_Packet(packet, client_addr);
 
	NetworkSendUDP_Packet(_udp_server_socket, packet, client_addr);
 

	
 
	free(packet);
 

	
 
@@ -76,6 +84,9 @@ DEF_UDP_RECEIVE_COMMAND(PACKET_UDP_SERVE
 

	
 
	game_info_version = NetworkRecv_uint8(p);
 

	
 

	
 
	DEBUG(net, 6)("[NET][UDP] Server response from %s:%d", inet_ntoa(client_addr->sin_addr),ntohs(client_addr->sin_port));
 

	
 
	// Find next item
 
	item = NetworkGameListAddItem(inet_addr(inet_ntoa(client_addr->sin_addr)), ntohs(client_addr->sin_port));
 

	
 
@@ -205,11 +216,39 @@ DEF_UDP_RECEIVE_COMMAND(PACKET_UDP_CLIEN
 
	/* Indicates end of client list */
 
	NetworkSend_uint8(packet, 0);
 

	
 
	NetworkSendUDP_Packet(packet, client_addr);
 
	NetworkSendUDP_Packet(_udp_server_socket, packet, client_addr);
 

	
 
	free(packet);
 
}
 

	
 
DEF_UDP_RECEIVE_COMMAND(PACKET_UDP_MASTER_RESPONSE_LIST) {
 
	int i;
 
	struct in_addr ip;
 
	uint16 port;
 
	uint8 ver;
 

	
 
	/* packet begins with the protocol version (uint8)
 
	 * then an uint16 which indicates how many
 
	 * ip:port pairs are in this packet, after that
 
	 * an uint32 (ip) and an uint16 (port) for each pair
 
	 */
 

	
 
	ver = NetworkRecv_uint8(p);
 

	
 
	if (ver == 1) {
 
		for (i = NetworkRecv_uint16(p); i != 0 ; i--) {
 
			ip.s_addr = TO_LE32(NetworkRecv_uint32(p));
 
			port = NetworkRecv_uint16(p);
 
			NetworkUDPQueryServer(inet_ntoa(ip), port);
 
		}
 
	}
 
}
 

	
 
DEF_UDP_RECEIVE_COMMAND(PACKET_UDP_MASTER_ACK_REGISTER) {
 
	_network_advertise_retries = 0;
 
	DEBUG(net, 2)("[NET] We are advertised on the master-server!");
 
}
 

	
 

	
 
// The layout for the receive-functions by UDP
 
typedef void NetworkUDPPacket(Packet *p, struct sockaddr_in *client_addr);
 
@@ -220,8 +259,12 @@ static NetworkUDPPacket* const _network_
 
	RECEIVE_COMMAND(PACKET_UDP_CLIENT_DETAIL_INFO),
 
	NULL,
 
	NULL,
 
	RECEIVE_COMMAND(PACKET_UDP_MASTER_ACK_REGISTER),
 
	NULL,
 
	RECEIVE_COMMAND(PACKET_UDP_MASTER_RESPONSE_LIST)
 
};
 

	
 

	
 
// If this fails, check the array above with network_data.h
 
assert_compile(lengthof(_network_udp_packet) == PACKET_UDP_END);
 

	
 
@@ -241,17 +284,10 @@ void NetworkHandleUDPPacket(Packet *p, s
 

	
 

	
 
// Send a packet over UDP
 
void NetworkSendUDP_Packet(Packet *p, struct sockaddr_in *recv)
 
void NetworkSendUDP_Packet(SOCKET udp, Packet *p, struct sockaddr_in *recv)
 
{
 
	SOCKET udp;
 
	int res;
 

	
 
	// Find the correct socket
 
	if (_network_udp_server)
 
		udp = _udp_server_socket;
 
	else
 
		udp = _udp_client_socket;
 

	
 
	// Put the length in the buffer
 
	p->buffer[0] = p->size & 0xFF;
 
	p->buffer[1] = p->size >> 8;
 
@@ -266,19 +302,15 @@ void NetworkSendUDP_Packet(Packet *p, st
 
}
 

	
 
// Start UDP listener
 
bool NetworkUDPListen(uint32 host, uint16 port)
 
bool NetworkUDPListen(SOCKET *udp, uint32 host, uint16 port, bool broadcast)
 
{
 
	struct sockaddr_in sin;
 
	SOCKET udp;
 

	
 
	// Make sure sockets are closed
 
	if (_network_udp_server)
 
		closesocket(_udp_server_socket);
 
	else
 
		closesocket(_udp_client_socket);
 
	// Make sure socket is closed
 
	closesocket(*udp);
 

	
 
	udp = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
 
	if (udp == INVALID_SOCKET) {
 
	*udp = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
 
	if (*udp == INVALID_SOCKET) {
 
		DEBUG(net, 1)("[NET][UDP] Failed to start UDP support");
 
		return false;
 
	}
 
@@ -286,7 +318,7 @@ bool NetworkUDPListen(uint32 host, uint1
 
	// set nonblocking mode for socket
 
	{
 
		unsigned long blocking = 1;
 
		ioctlsocket(udp, FIONBIO, &blocking);
 
		ioctlsocket(*udp, FIONBIO, &blocking);
 
	}
 

	
 
	sin.sin_family = AF_INET;
 
@@ -294,25 +326,17 @@ bool NetworkUDPListen(uint32 host, uint1
 
	sin.sin_addr.s_addr = host;
 
	sin.sin_port = htons(port);
 

	
 
	if (bind(udp, (struct sockaddr*)&sin, sizeof(sin)) != 0) {
 
	if (bind(*udp, (struct sockaddr*)&sin, sizeof(sin)) != 0) {
 
		DEBUG(net, 1) ("[NET][UDP] error: bind failed on %s:%i", inet_ntoa(*(struct in_addr *)&host), port);
 
		return false;
 
	}
 

	
 
	// enable broadcasting
 
	// allow reusing
 
	{
 
	if (broadcast) {
 
		/* Enable broadcast */
 
		unsigned long val = 1;
 
		setsockopt(udp, SOL_SOCKET, SO_BROADCAST, (char *) &val , sizeof(val));
 
		val = 1;
 
		setsockopt(udp, SOL_SOCKET, SO_REUSEADDR, (char *) &val , sizeof(val));
 
		setsockopt(*udp, SOL_SOCKET, SO_BROADCAST, (char *) &val , sizeof(val));
 
	}
 

	
 
	if (_network_udp_server)
 
		_udp_server_socket = udp;
 
	else
 
		_udp_client_socket = udp;
 

	
 
	DEBUG(net, 1)("[NET][UDP] Listening on port %s:%d", inet_ntoa(*(struct in_addr *)&host), port);
 

	
 
	return true;
 
@@ -321,11 +345,15 @@ bool NetworkUDPListen(uint32 host, uint1
 
// Close UDP connection
 
void NetworkUDPClose(void)
 
{
 
	DEBUG(net, 1) ("[NET][UDP] Closed listener");
 
	DEBUG(net, 1) ("[NET][UDP] Closed listeners");
 

	
 
	if (_network_udp_server) {
 
		closesocket(_udp_server_socket);
 
		_udp_server_socket = INVALID_SOCKET;
 

	
 
		closesocket(_udp_master_socket);
 
		_udp_master_socket = INVALID_SOCKET;
 

	
 
		_network_udp_server = false;
 
		_network_udp_broadcast = 0;
 
	} else {
 
@@ -336,7 +364,7 @@ void NetworkUDPClose(void)
 
}
 

	
 
// Receive something on UDP level
 
void NetworkUDPReceive(void)
 
void NetworkUDPReceive(SOCKET udp)
 
{
 
	struct sockaddr_in client_addr;
 
#ifndef __MORPHOS__
 
@@ -347,12 +375,6 @@ void NetworkUDPReceive(void)
 
	int nbytes;
 
	static Packet *p = NULL;
 
	int packet_len;
 
	SOCKET udp;
 

	
 
	if (_network_udp_server)
 
		udp = _udp_server_socket;
 
	else
 
		udp = _udp_client_socket;
 

	
 
	// If p is NULL, malloc him.. this prevents unneeded mallocs
 
	if (p == NULL)
 
@@ -383,7 +405,7 @@ void NetworkUDPReceive(void)
 
}
 

	
 
// Broadcast to all ips
 
void NetworkUDPBroadCast(void)
 
void NetworkUDPBroadCast(SOCKET udp)
 
{
 
	int i;
 
	struct sockaddr_in out_addr;
 
@@ -408,10 +430,35 @@ void NetworkUDPBroadCast(void)
 
		out_addr.sin_port = htons(_network_server_port);
 
		out_addr.sin_addr.s_addr = bcaddr;
 

	
 
		NetworkSendUDP_Packet(p, &out_addr);
 
		NetworkSendUDP_Packet(udp, p, &out_addr);
 

	
 
		i++;
 
	}
 
}
 

	
 

	
 
// Request the the server-list from the master server
 
void NetworkUDPQueryMasterServer(void)
 
{
 
	struct sockaddr_in out_addr;
 
	Packet *p;
 

	
 
	if (_udp_client_socket == INVALID_SOCKET)
 
		if (!NetworkUDPListen(&_udp_client_socket, 0, 0, true))
 
			return;
 

	
 
	p = NetworkSend_Init(PACKET_UDP_CLIENT_GET_LIST);
 

	
 
	out_addr.sin_family = AF_INET;
 
	out_addr.sin_port = htons(NETWORK_MASTER_SERVER_PORT);
 
	out_addr.sin_addr.s_addr = NetworkResolveHost(NETWORK_MASTER_SERVER_HOST);
 

	
 
	// packet only contains protocol version
 
	NetworkSend_uint8(p, NETWORK_MASTER_SERVER_VERSION);
 

	
 
	NetworkSendUDP_Packet(_udp_client_socket, p, &out_addr);
 

	
 
	DEBUG(net, 2)("[NET][UDP] Queried Master Server at %s:%d", inet_ntoa(out_addr.sin_addr),ntohs(out_addr.sin_port));
 

	
 
	free(p);
 
}
 
@@ -425,12 +472,12 @@ void NetworkUDPSearchGame(void)
 

	
 
	// No UDP-socket yet..
 
	if (_udp_client_socket == INVALID_SOCKET)
 
		if (!NetworkUDPListen(0, 0))
 
		if (!NetworkUDPListen(&_udp_client_socket, 0, 0, true))
 
			return;
 

	
 
	DEBUG(net, 0)("[NET][UDP] Searching server");
 

	
 
	NetworkUDPBroadCast();
 
	NetworkUDPBroadCast(_udp_client_socket);
 
	_network_udp_broadcast = 300; // Stay searching for 300 ticks
 
}
 

	
 
@@ -443,7 +490,7 @@ NetworkGameList *NetworkUDPQueryServer(c
 

	
 
	// No UDP-socket yet..
 
	if (_udp_client_socket == INVALID_SOCKET)
 
		if (!NetworkUDPListen(0, 0))
 
		if (!NetworkUDPListen(&_udp_client_socket, 0, 0, true))
 
			return NULL;
 

	
 
	ttd_strlcpy(hostname, host, sizeof(hostname));
 
@@ -462,7 +509,7 @@ NetworkGameList *NetworkUDPQueryServer(c
 
	// Init the packet
 
	p = NetworkSend_Init(PACKET_UDP_CLIENT_FIND_SERVER);
 

	
 
	NetworkSendUDP_Packet(p, &out_addr);
 
	NetworkSendUDP_Packet(_udp_client_socket, p, &out_addr);
 

	
 
	free(p);
 

	
 
@@ -481,9 +528,22 @@ void NetworkUDPAdvertise(void)
 
	if (!_networking || !_network_server || !_network_udp_server || !_network_advertise)
 
		return;
 

	
 
	/* check for socket */
 
	if (_udp_master_socket == INVALID_SOCKET)
 
		if (!NetworkUDPListen(&_udp_master_socket, 0, 0, false))
 
			return;
 

	
 
	/* Only send once in the 450 game-days (about 15 minutes) */
 
	if (_network_last_advertise_date + 450 > _date)
 
	if (_network_advertise_retries == 0) {
 
		if ( (_network_last_advertise_date + ADVERTISE_NORMAL_INTERVAL) > _date)
 
			return;
 
		_network_advertise_retries = ADVERTISE_RETRY_TIMES;
 
	}
 

	
 
	if ( (_network_last_advertise_date + ADVERTISE_RETRY_INTERVAL) > _date)
 
		return;
 

	
 
	_network_advertise_retries--;
 
	_network_last_advertise_date = _date;
 

	
 
	/* Find somewhere to send */
 
@@ -499,7 +559,8 @@ void NetworkUDPAdvertise(void)
 
	NetworkSend_string(p, NETWORK_MASTER_SERVER_WELCOME_MESSAGE);
 
	NetworkSend_uint8(p, NETWORK_MASTER_SERVER_VERSION);
 
	NetworkSend_uint16(p, _network_server_port);
 
	NetworkSendUDP_Packet(p, &out_addr);
 
	NetworkSendUDP_Packet(_udp_master_socket, p, &out_addr);
 

	
 
	free(p);
 
}
 

	
 
@@ -507,6 +568,7 @@ void NetworkUDPInitialize(void)
 
{
 
	_udp_client_socket = INVALID_SOCKET;
 
	_udp_server_socket = INVALID_SOCKET;
 
	_udp_master_socket = INVALID_SOCKET;
 

	
 
	_network_udp_server = false;
 
	_network_udp_broadcast = 0;
network_udp.h
Show inline comments
 
@@ -2,9 +2,10 @@
 
#define NETWORK_LAN_H
 

	
 
void NetworkUDPInitialize(void);
 
bool NetworkUDPListen(uint32 host, uint16 port);
 
void NetworkUDPReceive(void);
 
bool NetworkUDPListen(SOCKET *udp, uint32 host, uint16 port, bool broadcast);
 
void NetworkUDPReceive(SOCKET udp);
 
void NetworkUDPSearchGame(void);
 
void NetworkUDPQueryMasterServer(void);
 
NetworkGameList *NetworkUDPQueryServer(const byte* host, unsigned short port);
 
void NetworkUDPAdvertise(void);
 

	
settings.c
Show inline comments
 
@@ -757,6 +757,7 @@ static const SettingDesc network_setting
 
	{"server_bind_ip",	SDT_STRINGBUF | (lengthof(_network_server_bind_ip_host) << 16),	"0.0.0.0",	&_network_server_bind_ip_host,	NULL},
 
	{"server_port",			SDT_UINT,	(void*)NETWORK_DEFAULT_PORT,	&_network_server_port,	NULL},
 
	{"server_advertise",SDT_BOOL, (void*)false, &_network_advertise, NULL},
 
	{"lan_internet",		SDT_UINT8, (void*)0, &_network_lan_internet, NULL},
 
	{"player_name",			SDT_STRINGBUF | (lengthof(_network_player_name) << 16), NULL, &_network_player_name, NULL},
 
	{"server_password",	SDT_STRINGBUF | (lengthof(_network_game_info.server_password) << 16), NULL, &_network_game_info.server_password, NULL},
 
	{"server_name",			SDT_STRINGBUF | (lengthof(_network_server_name) << 16), NULL, &_network_server_name, NULL},
0 comments (0 inline, 0 general)