/* avahi.vala
 *
 * Copyright (C) 2009  Sebastian Noack
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 *
 * As a special exception, if you use inline functions from this file, this
 * file does not by itself cause the resulting executable to be covered by
 * the GNU Lesser General Public License.
 *
 * Author:
 *  Sebastian Noack <sebastian.noack@gmail.com>
 */

[CCode(cprefix="Ga", lower_case_cprefix="ga_")]
namespace Avahi {
	/* Error handling */

	[CCode(cheader_filename="avahi-gobject/ga-error.h", cprefix="AVAHI_ERR_")]
	public errordomain Error {
		FAILURE,
		BAD_STATE,
		INVALID_HOST_NAME,
		INVALID_DOMAIN_NAME,
		NO_NETWORK,
		INVALID_TTL,
		IS_PATTERN,
		COLLISION,
		INVALID_RECORD,

		INVALID_SERVICE_NAME,
		INVALID_SERVICE_TYPE,
		INVALID_PORT,
		INVALID_KEY,
		INVALID_ADDRESS,
		TIMEOUT,
		TOO_MANY_CLIENTS,
		TOO_MANY_OBJECTS,
		TOO_MANY_ENTRIES,
		OS,

		ACCESS_DENIED,
		INVALID_OPERATION,
		DBUS_ERROR,
		DISCONNECTED,
		NO_MEMORY,
		INVALID_OBJECT,
		NO_DAEMON,
		INVALID_INTERFACE,
		INVALID_PROTOCOL,
		INVALID_FLAGS,

		NOT_FOUND,
		INVALID_CONFIG,
		VERSION_MISMATCH,
		INVALID_SERVICE_SUBTYPE,
		INVALID_PACKET,
		INVALID_DNS_ERROR,
		DNS_FORMERR,
		DNS_SERVFAIL,
		DNS_NXDOMAIN,
		DNS_NOTIMP,

		DNS_REFUSED,
		DNS_YXDOMAIN,
		DNS_YXRRSET,
		DNS_NXRRSET,
		DNS_NOTAUTH,
		DNS_NOTZONE,
		INVALID_RDATA,
		INVALID_DNS_CLASS,
		INVALID_DNS_TYPE,
		NOT_SUPPORTED,

		NOT_PERMITTED,
		INVALID_ARGUMENT,
		IS_EMPTY,
		NO_CHANGE
	}

	[CCode(cheader_filename="avahi-gobject/ga-error.h", cname="avahi_strerror")]
	public unowned string strerror(int errno);


	/* Lookup flags */

	[CCode(cheader_filename="avahi-gobject/ga-enums.h", cprefix="GA_LOOKUP_RESULT_")]
	public enum LookupResultFlags {
		CACHED,
		WIDE_AREA,
		MULTICAST,
		LOCAL,
		OUR_OWN,
		STATIC
	}

	[Flags]
	[CCode(cheader_filename="avahi-gobject/ga-enums.h", cprefix="GA_LOOKUP_")]
	public enum LookupFlags {
		NO_FLAGS,
		USE_WIDE_AREA,
		USE_MULTICAST,
		NO_TXT,
		NO_ADDRESS
	}


	/* Client */

	[CCode(cheader_filename="avahi-gobject/ga-client.h")]
	public enum ClientState {
		NOT_STARTED,
		S_REGISTERING,
		S_RUNNING,
		S_COLLISION,
		FAILURE,
		CONNECTING
	}

	[Flags]
	[CCode(cheader_filename="avahi-gobject/ga-client.h", cprefix="GA_CLIENT_FLAG_")]
	public enum ClientFlags {
		NO_FLAGS,
		IGNORE_USER_CONFIG,
		NO_FAIL
	}

	[CCode(cheader_filename="avahi-gobject/ga-client.h")]
	public class Client : GLib.Object {
		public Client(ClientFlags flags=ClientFlags.NO_FLAGS);

		public void start() throws Error;

		[NoAccessorMethod]
		public ClientState state { get; }
		[NoAccessorMethod]
		public ClientFlags flags { get; construct; }

		public signal void state_changed(ClientState state);
	}


	/* Record browser */

	[CCode(cheader_filename="avahi-gobject/ga-record-browser.h")]
	public class RecordBrowser : GLib.Object {
		public RecordBrowser(string name, uint16 type);
		public RecordBrowser.full(Interface interface, Protocol protocol, string name, uint16 class, uint16 type, LookupFlags flags=LookupFlags.NO_FLAGS);

		public void attach(Client client) throws Error;

		[NoAccessorMethod]
		public Protocol protocol { get; set; }
		[NoAccessorMethod]
		public Interface interface { get; set; }
		[NoAccessorMethod]
		public string name { owned get; set; }
		[NoAccessorMethod]
		public uint16 type { get; set; }
		[NoAccessorMethod]
		public uint16 class { get; set; }
		[NoAccessorMethod]
		public LookupFlags flags { get; set; }

		public signal void new_record(Interface interface, Protocol protocol, string name, uint16 class, uint16 type, char[] data, LookupResultFlags flags);
		public signal void removed_record(Interface interface, Protocol protocol, string name, uint16 class, uint16 type, char[] data, LookupResultFlags flags);
		public signal void all_for_now();
		public signal void cache_exhausted();
		public signal void failure(GLib.Error error);
	}


	/* Service browser */

	[CCode(cheader_filename="avahi-gobject/ga-service-browser.h")]
	public class ServiceBrowser : GLib.Object {
		public ServiceBrowser(string type);
		public ServiceBrowser.full(Interface interface, Protocol protocol, string type, string? domain=null, LookupFlags flags=LookupFlags.NO_FLAGS);

		public void attach(Client client) throws Error;

		[NoAccessorMethod]
		public Protocol protocol { get; set; }
		[NoAccessorMethod]
		public Protocol aprotocol { get; set; }
		[NoAccessorMethod]
		public Interface interface { get; set; }
		[NoAccessorMethod]
		public string type { owned get; set; }
		[NoAccessorMethod]
		public string? domain { owned get; set; }
		[NoAccessorMethod]
		public LookupFlags flags { get; set; }

		public signal void new_service(Interface interface, Protocol protocol, string name, string type, string domain, LookupResultFlags flags);
		public signal void removed_service(Interface interface, Protocol protocol, string name, string type, string domain, LookupResultFlags flags);
		public signal void all_for_now();
		public signal void cache_exhausted();
		public signal void failure(GLib.Error error);
	}


	/* Service resolver */

	[CCode(cheader_filename="avahi-gobject/ga-service-resolver.h")]
	public class ServiceResolver : GLib.Object {
		public ServiceResolver(Interface interface, Protocol protocol, string name, string type, string domain, Protocol address_protocol, LookupFlags flags=LookupFlags.NO_FLAGS);

		public void attach(Client client) throws Error;
		public bool get_address(out Address address, out uint16 port);

		[NoAccessorMethod]
		public Protocol protocol { get; set; }
		[NoAccessorMethod]
		public Protocol aprotocol { get; set; }
		[NoAccessorMethod]
		public Interface interface { get; set; }
		[NoAccessorMethod]
		public string name { owned get; set; }
		[NoAccessorMethod]
		public string type { owned get; set; }
		[NoAccessorMethod]
		public string domain { owned get; set; }
		[NoAccessorMethod]
		public LookupFlags flags { get; set; }

		public signal void found(Interface interface, Protocol protocol, string name, string type, string domain, string hostname, Address? address, uint16 port, StringList? txt, LookupResultFlags flags);
		public signal void failure(GLib.Error error);
	}

	[CCode(cheader_filename="avahi-gobject/ga-entry-group.h")]
	public enum EntryGroupState {
		UNCOMMITED,
		REGISTERING,
		ESTABLISHED,
		COLLISION,
		FAILURE
	}

	[Compact]
	[CCode(cheader_filename="avahi-gobject/ga-entry-group.h", ref_function="", unref_function="")]
	public class EntryGroupService {
		public Interface interface;
		public Protocol protocol;
		public PublishFlags flags;
		public string name;
		public string type;
		public string domain;
		public string host;
		public uint16 port;

		public void freeze();
		public void set(string key, string value) throws Error;
		public void set_arbitrary(string key, char[] value) throws Error;
		public void remove_key(string key) throws Error;
		public void thaw() throws Error;
	}

	[CCode(cheader_filename="avahi-gobject/ga-entry-group.h")]
	public class EntryGroup : GLib.Object {
		public EntryGroup();

		public void attach(Client client) throws Error;
		[CCode(sentinel="")]
		public EntryGroupService add_service_strlist(string name, string type, uint16 port, ...) throws Error;
		[CCode(sentinel="")]
		public EntryGroupService add_service_full_strlist(Interface interface, Protocol protocol, PublishFlags flags, string name, string type, string domain, string host, uint16 port, ...) throws Error;
		public EntryGroupService add_service(string name, string type, uint16 port, ...) throws Error;
		public EntryGroupService add_service_full(Interface interface, Protocol protocol, PublishFlags flags, string name, string type, string domain, string host, uint16 port, ...) throws Error;
		public void add_record(PublishFlags flags, string name, uint16 type, uint32 ttl, char[] data) throws Error;
		public void add_record_full(Interface interface, Protocol protocol, PublishFlags flags, string name, uint16 class, uint16 type, uint32 ttl, char[] data) throws Error;
		public void commit() throws Error;
		public void reset() throws Error;

		[NoAccessorMethod]
		public EntryGroupState state { get; }

		public signal void state_changed(EntryGroupState state);
	}
}