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/*
* This file is part of the Nice GLib ICE library.
*
* (C) 2008-2009 Collabora Ltd.
* Contact: Youness Alaoui
* (C) 2007-2009 Nokia Corporation. All rights reserved.
* Contact: Kai Vehmanen
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Nice GLib ICE library.
*
* The Initial Developers of the Original Code are Collabora Ltd and Nokia
* Corporation. All Rights Reserved.
*
* Contributors:
* Youness Alaoui, Collabora Ltd.
* Kai Vehmanen, Nokia
*
* Alternatively, the contents of this file may be used under the terms of the
* the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
* case the provisions of LGPL are applicable instead of those above. If you
* wish to allow use of your version of this file only under the terms of the
* LGPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replace
* them with the notice and other provisions required by the LGPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the LGPL.
*/
#ifndef _NICE_DISCOVERY_H
#define _NICE_DISCOVERY_H
/* note: this is a private header to libnice */
#include "stream.h"
#include "agent.h"
typedef struct
{
NiceAgent *agent; /* back pointer to owner */
NiceCandidateType type; /* candidate type STUN or TURN */
NiceSocket *nicesock; /* XXX: should be taken from local cand: existing socket to use */
NiceAddress server; /* STUN/TURN server address */
GTimeVal next_tick; /* next tick timestamp */
gboolean pending; /* is discovery in progress? */
gboolean done; /* is discovery complete? */
Stream *stream;
Component *component;
TurnServer *turn;
StunAgent stun_agent;
StunTimer timer;
uint8_t stun_buffer[STUN_MAX_MESSAGE_SIZE_IPV6];
StunMessage stun_message;
uint8_t stun_resp_buffer[STUN_MAX_MESSAGE_SIZE];
StunMessage stun_resp_msg;
} CandidateDiscovery;
typedef struct
{
NiceAgent *agent; /* back pointer to owner */
NiceSocket *nicesock; /* existing socket to use */
NiceAddress server; /* STUN/TURN server address */
NiceCandidate *candidate; /* candidate to refresh */
Stream *stream;
Component *component;
StunAgent stun_agent;
GSource *timer_source;
GSource *tick_source;
StunTimer timer;
uint8_t stun_buffer[STUN_MAX_MESSAGE_SIZE_IPV6];
StunMessage stun_message;
uint8_t stun_resp_buffer[STUN_MAX_MESSAGE_SIZE];
StunMessage stun_resp_msg;
} CandidateRefresh;
void refresh_free (NiceAgent *agent);
void refresh_prune_stream (NiceAgent *agent, guint stream_id);
void refresh_prune_candidate (NiceAgent *agent, NiceCandidate *candidate);
void refresh_prune_socket (NiceAgent *agent, NiceSocket *sock);
void refresh_cancel (CandidateRefresh *refresh);
void discovery_free (NiceAgent *agent);
void discovery_prune_stream (NiceAgent *agent, guint stream_id);
void discovery_prune_socket (NiceAgent *agent, NiceSocket *sock);
void discovery_schedule (NiceAgent *agent);
typedef enum {
HOST_CANDIDATE_SUCCESS,
HOST_CANDIDATE_FAILED,
HOST_CANDIDATE_CANT_CREATE_SOCKET,
HOST_CANDIDATE_REDUNDANT
} HostCandidateResult;
HostCandidateResult
discovery_add_local_host_candidate (
NiceAgent *agent,
guint stream_id,
guint component_id,
NiceAddress *address,
NiceCandidateTransport transport,
NiceCandidate **candidate);
NiceCandidate*
discovery_add_relay_candidate (
NiceAgent *agent,
guint stream_id,
guint component_id,
NiceAddress *address,
NiceCandidateTransport transport,
NiceSocket *base_socket,
TurnServer *turn);
NiceCandidate*
discovery_add_server_reflexive_candidate (
NiceAgent *agent,
guint stream_id,
guint component_id,
NiceAddress *address,
NiceCandidateTransport transport,
NiceSocket *base_socket,
gboolean nat_assisted);
void
discovery_discover_tcp_server_reflexive_candidates (
NiceAgent *agent,
guint stream_id,
guint component_id,
NiceAddress *address,
NiceSocket *base_socket);
NiceCandidate*
discovery_add_peer_reflexive_candidate (
NiceAgent *agent,
guint stream_id,
guint component_id,
NiceAddress *address,
NiceSocket *base_socket,
NiceCandidate *local,
NiceCandidate *remote);
NiceCandidate *
discovery_learn_remote_peer_reflexive_candidate (
NiceAgent *agent,
Stream *stream,
Component *component,
guint32 priority,
const NiceAddress *remote_address,
NiceSocket *udp_socket,
NiceCandidate *local,
NiceCandidate *remote);
#endif /*_NICE_CONNCHECK_H */
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