96 lines
4.1 KiB
C++
96 lines
4.1 KiB
C++
/*
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Copyright (c) 2007, Adobe Systems, Incorporated
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Adobe Systems, Network Resonance nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ice_candidate_pair_h
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#define _ice_candidate_pair_h
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#ifdef __cplusplus
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using namespace std;
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extern "C" {
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#endif /* __cplusplus */
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struct nr_ice_cand_pair_ {
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nr_ice_peer_ctx *pctx;
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char codeword[5];
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char *as_string;
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int state; /* The current state (S 5.7.3) */
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#define NR_ICE_PAIR_STATE_FROZEN 1
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#define NR_ICE_PAIR_STATE_WAITING 2
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#define NR_ICE_PAIR_STATE_IN_PROGRESS 3
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#define NR_ICE_PAIR_STATE_FAILED 4
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#define NR_ICE_PAIR_STATE_SUCCEEDED 5
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#define NR_ICE_PAIR_STATE_CANCELLED 6
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UCHAR peer_nominated; /* The peer sent USE-CANDIDATE
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on this check */
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UCHAR nominated; /* Is this nominated or not */
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UCHAR triggered; /* Ignore further trigger check requests */
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UINT8 priority; /* The priority for this pair */
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nr_ice_candidate *local; /* The local candidate */
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nr_ice_candidate *remote; /* The remote candidate */
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char *foundation; /* The combined foundations */
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nr_stun_client_ctx *stun_client; /* STUN context when acting as a client */
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void *stun_client_handle;
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void *stun_cb_timer;
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void *restart_role_change_cb_timer;
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void *restart_nominated_cb_timer;
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TAILQ_ENTRY(nr_ice_cand_pair_) check_queue_entry; /* the check list */
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TAILQ_ENTRY(nr_ice_cand_pair_) triggered_check_queue_entry; /* the trigger check queue */
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};
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int nr_ice_candidate_pair_create(nr_ice_peer_ctx *pctx, nr_ice_candidate *lcand,nr_ice_candidate *rcand,nr_ice_cand_pair **pairp);
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int nr_ice_candidate_pair_unfreeze(nr_ice_peer_ctx *pctx, nr_ice_cand_pair *pair);
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int nr_ice_candidate_pair_start(nr_ice_peer_ctx *pctx, nr_ice_cand_pair *pair);
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int nr_ice_candidate_pair_set_state(nr_ice_peer_ctx *pctx, nr_ice_cand_pair *pair, int state);
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int nr_ice_candidate_pair_dump_state(nr_ice_cand_pair *pair, FILE *out);
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int nr_ice_candidate_pair_cancel(nr_ice_peer_ctx *pctx,nr_ice_cand_pair *pair, int move_to_wait_state);
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int nr_ice_candidate_pair_select(nr_ice_cand_pair *pair);
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int nr_ice_candidate_pair_do_triggered_check(nr_ice_peer_ctx *pctx, nr_ice_cand_pair *pair);
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void nr_ice_candidate_pair_insert(nr_ice_cand_pair_head *head,nr_ice_cand_pair *pair);
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int nr_ice_candidate_pair_trigger_check_append(nr_ice_cand_pair_head *head,nr_ice_cand_pair *pair);
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void nr_ice_candidate_pair_restart_stun_nominated_cb(NR_SOCKET s, int how, void *cb_arg);
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int nr_ice_candidate_pair_destroy(nr_ice_cand_pair **pairp);
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void nr_ice_candidate_pair_role_change(nr_ice_cand_pair *pair);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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