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/*
Copyright (c) 2007, Adobe Systems, Incorporated
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of Adobe Systems, Network Resonance nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ice_peer_ctx_h
#define _ice_peer_ctx_h
#ifdef __cplusplus
using namespace std;
extern "C" {
#endif /* __cplusplus */
struct nr_ice_peer_ctx_ {
int state;
#define NR_ICE_PEER_STATE_UNPAIRED 1
#define NR_ICE_PEER_STATE_PAIRED 2
char *label;
nr_ice_ctx *ctx;
nr_ice_handler *handler;
UCHAR controlling; /* 1 for controlling, 0 for controlled */
UCHAR controlling_conflict_resolved;
UINT8 tiebreaker;
int peer_lite;
int peer_ice_mismatch;
nr_ice_media_stream_head peer_streams;
int active_streams;
int waiting_pairs;
UCHAR checks_started;
void *connected_cb_timer;
UCHAR reported_connected;
void *trickle_grace_period_timer;
STAILQ_ENTRY(nr_ice_peer_ctx_) entry;
};
typedef STAILQ_HEAD(nr_ice_peer_ctx_head_, nr_ice_peer_ctx_) nr_ice_peer_ctx_head;
int nr_ice_peer_ctx_create(nr_ice_ctx *ctx, nr_ice_handler *handler,char *label, nr_ice_peer_ctx **pctxp);
void nr_ice_peer_ctx_destroy(nr_ice_peer_ctx** pctxp);
int nr_ice_peer_ctx_parse_stream_attributes(nr_ice_peer_ctx *pctx, nr_ice_media_stream *stream, char **attrs, int attr_ct);
int nr_ice_peer_ctx_find_pstream(nr_ice_peer_ctx *pctx, nr_ice_media_stream *stream, nr_ice_media_stream **pstreamp);
int nr_ice_peer_ctx_remove_pstream(nr_ice_peer_ctx *pctx, nr_ice_media_stream **pstreamp);
int nr_ice_peer_ctx_parse_trickle_candidate(nr_ice_peer_ctx *pctx, nr_ice_media_stream *stream, char *cand, const char *mdns_addr);
int nr_ice_peer_ctx_pair_candidates(nr_ice_peer_ctx *pctx);
int nr_ice_peer_ctx_parse_global_attributes(nr_ice_peer_ctx *pctx, char **attrs, int attr_ct);
int nr_ice_peer_ctx_start_checks(nr_ice_peer_ctx *pctx);
int nr_ice_peer_ctx_start_checks2(nr_ice_peer_ctx *pctx, int allow_non_first);
void nr_ice_peer_ctx_stream_started_checks(nr_ice_peer_ctx *pctx, nr_ice_media_stream *stream);
void nr_ice_peer_ctx_refresh_consent_all_streams(nr_ice_peer_ctx *pctx);
void nr_ice_peer_ctx_disconnect_all_streams(nr_ice_peer_ctx *pctx);
void nr_ice_peer_ctx_disconnected(nr_ice_peer_ctx *pctx);
void nr_ice_peer_ctx_connected(nr_ice_peer_ctx *pctx);
void nr_ice_peer_ctx_dump_state(nr_ice_peer_ctx *pctx, int log_level);
int nr_ice_peer_ctx_log_state(nr_ice_peer_ctx *pctx);
void nr_ice_peer_ctx_check_if_connected(nr_ice_peer_ctx *pctx);
int nr_ice_peer_ctx_find_component(nr_ice_peer_ctx *pctx, nr_ice_media_stream *str, int component_id, nr_ice_component **compp);
int nr_ice_peer_ctx_deliver_packet_maybe(nr_ice_peer_ctx *pctx, nr_ice_component *comp, nr_transport_addr *source_addr, UCHAR *data, int len);
int nr_ice_peer_ctx_disable_component(nr_ice_peer_ctx *pctx, nr_ice_media_stream *lstream, int component_id);
int nr_ice_peer_ctx_pair_new_trickle_candidate(nr_ice_ctx *ctx, nr_ice_peer_ctx *pctx, nr_ice_candidate *cand);
void nr_ice_peer_ctx_switch_controlling_role(nr_ice_peer_ctx *pctx);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
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