(svn r16014) -Feature(-ish): allow binding to several IPs; [network]:server_bind_ip doesn't exist anymore. Add the IPs/hostnames to [server_bind_addresses]

src/network/network.cpp

@@ -55,6 +55,7 @@ ClientID _redirect_console_to_client;
 bool _network_need_advertise;
 uint32 _network_last_advertise_frame;
 uint8 _network_reconnect;
+StringList _network_bind_list;
 StringList _network_host_list;
 StringList _network_ban_list;
 uint32 _frame_counter_server; // The frame_counter of the server, if in network-mode
@@ -542,9 +543,12 @@ static bool NetworkListen()
 {
 	assert(_listensockets.Length() == 0);
 
-	NetworkAddress address(_settings_client.network.server_bind_ip, _settings_client.network.server_port);
+	NetworkAddressList addresses;
+	GetBindAddresses(&addresses, _settings_client.network.server_port);
 
-	address.Listen(SOCK_STREAM, &_listensockets);
+	for (NetworkAddress *address = addresses.Begin(); address != addresses.End(); address++) {
+		address->Listen(SOCK_STREAM, &_listensockets);
+	}
 
 	if (_listensockets.Length() == 0) {
 		ServerStartError("Could not create listening socket");
@@ -664,6 +668,23 @@ void NetworkAddServer(const char *b)
 	}
 }
 
+/**
+ * Get the addresses to bind to.
+ * @param addresses the list to write to.
+ * @param port the port to bind to.
+ */
+void GetBindAddresses(NetworkAddressList *addresses, uint16 port)
+{
+	for (char **iter = _network_bind_list.Begin(); iter != _network_bind_list.End(); iter++) {
+		*addresses->Append() = NetworkAddress(*iter, port);
+	}
+
+	/* No address, so bind to everything. */
+	if (addresses->Length() == 0) {
+		*addresses->Append() = NetworkAddress("", port);
+	}
+}
+
 /* Generates the list of manually added hosts from NetworkGameList and
  * dumps them into the array _network_host_list. This array is needed
  * by the function that generates the config file. */

src/network/network_func.h

@@ -21,6 +21,7 @@ extern ClientID _redirect_console_to_client;
 extern bool _network_need_advertise;
 extern uint32 _network_last_advertise_frame;
 extern uint8 _network_reconnect;
+extern StringList _network_bind_list;
 extern StringList _network_host_list;
 extern StringList _network_ban_list;
 

src/network/network_internal.h

@@ -123,6 +123,7 @@ extern CompanyMask _network_company_passworded;
 
 void NetworkTCPQueryServer(NetworkAddress address);
 
+void GetBindAddresses(NetworkAddressList *addresses, uint16 port);
 void NetworkAddServer(const char *b);
 void NetworkRebuildHostList();
 void UpdateNetworkGameWindow(bool unselect);

src/network/network_udp.cpp

@@ -546,15 +546,14 @@ void NetworkUDPInitialize()
 
 	_network_udp_mutex->BeginCritical();
 
-	NetworkAddressList server;
-	*server.Append() = NetworkAddress(_settings_client.network.server_bind_ip, _settings_client.network.server_port);
-
 	_udp_client_socket = new ClientNetworkUDPSocketHandler();
+
+	NetworkAddressList server;
+	GetBindAddresses(&server, _settings_client.network.server_port);
 	_udp_server_socket = new ServerNetworkUDPSocketHandler(&server);
 
-	for (NetworkAddress *iter = server.Begin(); iter != server.End(); iter++) {
-		iter->SetPort(0);
-	}
+	server.Clear();
+	GetBindAddresses(&server, 0);
 	_udp_master_socket = new MasterNetworkUDPSocketHandler(&server);
 
 	_network_udp_server = false;

src/openttd.cpp

@@ -544,7 +544,10 @@ int ttd_main(int argc, char *argv[])
 	if (_cur_resolution.height <= 0) _cur_resolution.height = 1;
 
 #if defined(ENABLE_NETWORK)
-	if (dedicated_host) snprintf(_settings_client.network.server_bind_ip, sizeof(_settings_client.network.server_bind_ip), "%s", dedicated_host);
+	if (dedicated_host) {
+		_network_bind_list.Clear();
+		*_network_bind_list.Append() = strdup(dedicated_host);
+	}
 	if (dedicated_port) _settings_client.network.server_port = dedicated_port;
 	if (_dedicated_forks && !dedicated) _dedicated_forks = false;
 #endif /* ENABLE_NETWORK */

src/settings.cpp

@@ -1277,6 +1277,7 @@ static void HandleSettingDescs(IniFile *ini, SettingDescProc *proc, SettingDescP
 	proc(ini, _currency_settings,"currency", &_custom_currency);
 
 #ifdef ENABLE_NETWORK
+	proc_list(ini, "server_bind_addresses", &_network_bind_list);
 	proc_list(ini, "servers", &_network_host_list);
 	proc_list(ini, "bans",    &_network_ban_list);
 #endif /* ENABLE_NETWORK */

src/settings_type.h

@@ -112,7 +112,6 @@ struct NetworkSettings {
 	uint8  frame_freq;                                    ///< how often do we send commands to the clients
 	uint16 max_join_time;                                 ///< maximum amount of time, in game ticks, a client may take to join
 	bool   pause_on_join;                                 ///< pause the game when people join
-	char   server_bind_ip[NETWORK_HOSTNAME_LENGTH];       ///< IP address the server binds to
 	uint16 server_port;                                   ///< port the server listens on
 	char   server_name[NETWORK_NAME_LENGTH];              ///< name of the server
 	char   server_password[NETWORK_PASSWORD_LENGTH];      ///< passowrd for joining this server

src/table/settings.h

@@ -563,7 +563,6 @@ const SettingDesc _settings[] = {
 	  SDTC_VAR(network.frame_freq,            SLE_UINT8,C|S,NO,     0,        0,      100, 0, STR_NULL,                                       NULL),
 	  SDTC_VAR(network.max_join_time,        SLE_UINT16, S, NO,   500,        0,    32000, 0, STR_NULL,                                       NULL),
 	 SDTC_BOOL(network.pause_on_join,                    S, NO,  true,                        STR_NULL,                                       NULL),
-	  SDTC_STR(network.server_bind_ip,         SLE_STRB, S, NO,    "",                        STR_NULL,                                       NULL),
 	  SDTC_VAR(network.server_port,          SLE_UINT16, S, NO,NETWORK_DEFAULT_PORT,0,65535,0,STR_NULL,                                       NULL),
 	 SDTC_BOOL(network.server_advertise,                 S, NO, false,                        STR_NULL,                                       NULL),
 	  SDTC_VAR(network.lan_internet,          SLE_UINT8, S, NO,     0,        0,        1, 0, STR_NULL,                                       NULL),