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media/mtransport/third_party/nICEr/src/ice/ice_ctx.h@97036ab72558 (annotated)

media/mtransport/third_party/nICEr/src/ice/ice_ctx.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /*
michael@0 2 Copyright (c) 2007, Adobe Systems, Incorporated
michael@0 3 All rights reserved.
michael@0 4
michael@0 5 Redistribution and use in source and binary forms, with or without
michael@0 6 modification, are permitted provided that the following conditions are
michael@0 7 met:
michael@0 8
michael@0 9 * Redistributions of source code must retain the above copyright
michael@0 10 notice, this list of conditions and the following disclaimer.
michael@0 11
michael@0 12 * Redistributions in binary form must reproduce the above copyright
michael@0 13 notice, this list of conditions and the following disclaimer in the
michael@0 14 documentation and/or other materials provided with the distribution.
michael@0 15
michael@0 16 * Neither the name of Adobe Systems, Network Resonance nor the names of its
michael@0 17 contributors may be used to endorse or promote products derived from
michael@0 18 this software without specific prior written permission.
michael@0 19
michael@0 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0 21 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0 22 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0 23 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0 24 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0 25 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0 26 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0 27 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0 28 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0 29 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0 30 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0 31 */
michael@0 32
michael@0 33
michael@0 34
michael@0 35 #ifndef _ice_ctx_h
michael@0 36 #define _ice_ctx_h
michael@0 37 #ifdef __cplusplus
michael@0 38 using namespace std;
michael@0 39 extern "C" {
michael@0 40 #endif /* __cplusplus */
michael@0 41
michael@0 42 /* Not good practice but making includes simpler */
michael@0 43 #include "transport_addr.h"
michael@0 44 #include "nr_socket.h"
michael@0 45 #include "nr_resolver.h"
michael@0 46 #include "nr_interface_prioritizer.h"
michael@0 47 #include "stun_client_ctx.h"
michael@0 48 #include "stun_server_ctx.h"
michael@0 49 #include "turn_client_ctx.h"
michael@0 50
michael@0 51 #define NR_ICE_STUN_SERVER_TYPE_ADDR 1
michael@0 52 #define NR_ICE_STUN_SERVER_TYPE_DNSNAME 2
michael@0 53
michael@0 54 typedef struct nr_ice_stun_server_ {
michael@0 55 int type;
michael@0 56 union {
michael@0 57 nr_transport_addr addr;
michael@0 58 struct {
michael@0 59 char host[256]; /* Limit from RFC 1034, plus a 0 byte */
michael@0 60 UINT2 port;
michael@0 61 } dnsname;
michael@0 62 } u;
michael@0 63 int index;
michael@0 64 } nr_ice_stun_server;
michael@0 65
michael@0 66 typedef struct nr_ice_turn_server_ {
michael@0 67 nr_ice_stun_server turn_server;
michael@0 68 int transport;
michael@0 69 char *username;
michael@0 70 Data *password;
michael@0 71 } nr_ice_turn_server;
michael@0 72
michael@0 73 typedef struct nr_ice_foundation_ {
michael@0 74 int index;
michael@0 75
michael@0 76 nr_transport_addr addr;
michael@0 77 int type;
michael@0 78 nr_ice_stun_server *stun_server;
michael@0 79
michael@0 80 STAILQ_ENTRY(nr_ice_foundation_) entry;
michael@0 81 } nr_ice_foundation;
michael@0 82
michael@0 83 typedef STAILQ_HEAD(nr_ice_foundation_head_,nr_ice_foundation_) nr_ice_foundation_head;
michael@0 84
michael@0 85 typedef TAILQ_HEAD(nr_ice_candidate_head_,nr_ice_candidate_) nr_ice_candidate_head;
michael@0 86 typedef TAILQ_HEAD(nr_ice_cand_pair_head_,nr_ice_cand_pair_) nr_ice_cand_pair_head;
michael@0 87 typedef struct nr_ice_component_ nr_ice_component;
michael@0 88 typedef struct nr_ice_media_stream_ nr_ice_media_stream;
michael@0 89 typedef struct nr_ice_ctx_ nr_ice_ctx;
michael@0 90 typedef struct nr_ice_peer_ctx_ nr_ice_peer_ctx;
michael@0 91 typedef struct nr_ice_candidate_ nr_ice_candidate;
michael@0 92 typedef struct nr_ice_cand_pair_ nr_ice_cand_pair;
michael@0 93 typedef void (*nr_ice_trickle_candidate_cb) (void *cb_arg,
michael@0 94 nr_ice_ctx *ctx, nr_ice_media_stream *stream, int component_id,
michael@0 95 nr_ice_candidate *candidate);
michael@0 96
michael@0 97 #include "ice_socket.h"
michael@0 98 #include "ice_component.h"
michael@0 99 #include "ice_media_stream.h"
michael@0 100 #include "ice_candidate.h"
michael@0 101 #include "ice_candidate_pair.h"
michael@0 102 #include "ice_handler.h"
michael@0 103 #include "ice_peer_ctx.h"
michael@0 104
michael@0 105 typedef struct nr_ice_stun_id_ {
michael@0 106 UCHAR id[12];
michael@0 107
michael@0 108 STAILQ_ENTRY(nr_ice_stun_id_) entry;
michael@0 109 } nr_ice_stun_id;
michael@0 110
michael@0 111 typedef STAILQ_HEAD(nr_ice_stun_id_head_,nr_ice_stun_id_) nr_ice_stun_id_head;
michael@0 112
michael@0 113 struct nr_ice_ctx_ {
michael@0 114 UINT4 flags;
michael@0 115 int state;
michael@0 116 #define NR_ICE_STATE_CREATED 1
michael@0 117 #define NR_ICE_STATE_INITIALIZING 2
michael@0 118 #define NR_ICE_STATE_INITIALIZED 3
michael@0 119 char *label;
michael@0 120
michael@0 121 char *ufrag;
michael@0 122 char *pwd;
michael@0 123
michael@0 124 UINT4 Ta;
michael@0 125
michael@0 126 nr_ice_stun_server *stun_servers; /* The list of stun servers */
michael@0 127 int stun_server_ct;
michael@0 128 nr_ice_turn_server *turn_servers; /* The list of turn servers */
michael@0 129 int turn_server_ct;
michael@0 130 nr_local_addr *local_addrs; /* The list of available local addresses and corresponding interface information */
michael@0 131 int local_addr_ct;
michael@0 132
michael@0 133 nr_resolver *resolver; /* The resolver to use */
michael@0 134 nr_interface_prioritizer *interface_prioritizer; /* Priority decision logic */
michael@0 135
michael@0 136 nr_ice_foundation_head foundations;
michael@0 137
michael@0 138 nr_ice_media_stream_head streams; /* Media streams */
michael@0 139 int stream_ct;
michael@0 140 nr_ice_socket_head sockets; /* The sockets we're using */
michael@0 141 int uninitialized_candidates;
michael@0 142
michael@0 143 UINT4 gather_rto;
michael@0 144 UINT4 stun_delay;
michael@0 145
michael@0 146 nr_ice_peer_ctx_head peers;
michael@0 147 nr_ice_stun_id_head ids;
michael@0 148
michael@0 149 NR_async_cb done_cb;
michael@0 150 void *cb_arg;
michael@0 151
michael@0 152 nr_ice_trickle_candidate_cb trickle_cb;
michael@0 153 void *trickle_cb_arg;
michael@0 154 };
michael@0 155
michael@0 156 int nr_ice_ctx_create(char *label, UINT4 flags, nr_ice_ctx **ctxp);
michael@0 157 #define NR_ICE_CTX_FLAGS_OFFERER 1
michael@0 158 #define NR_ICE_CTX_FLAGS_ANSWERER (1<<1)
michael@0 159 #define NR_ICE_CTX_FLAGS_AGGRESSIVE_NOMINATION (1<<2)
michael@0 160 #define NR_ICE_CTX_FLAGS_LITE (1<<3)
michael@0 161
michael@0 162 int nr_ice_ctx_destroy(nr_ice_ctx **ctxp);
michael@0 163 int nr_ice_initialize(nr_ice_ctx *ctx, NR_async_cb done_cb, void *cb_arg);
michael@0 164 int nr_ice_add_candidate(nr_ice_ctx *ctx, nr_ice_candidate *cand);
michael@0 165 void nr_ice_initialize_finished_cb(NR_SOCKET s, int h, void *cb_arg);
michael@0 166 int nr_ice_add_media_stream(nr_ice_ctx *ctx,char *label,int components, nr_ice_media_stream **streamp);
michael@0 167 int nr_ice_get_global_attributes(nr_ice_ctx *ctx,char ***attrsp, int *attrctp);
michael@0 168 int nr_ice_ctx_deliver_packet(nr_ice_ctx *ctx, nr_ice_component *comp, nr_transport_addr *source_addr, UCHAR *data, int len);
michael@0 169 int nr_ice_ctx_is_known_id(nr_ice_ctx *ctx, UCHAR id[12]);
michael@0 170 int nr_ice_ctx_remember_id(nr_ice_ctx *ctx, nr_stun_message *msg);
michael@0 171 int nr_ice_ctx_finalize(nr_ice_ctx *ctx, nr_ice_peer_ctx *pctx);
michael@0 172 int nr_ice_ctx_set_stun_servers(nr_ice_ctx *ctx,nr_ice_stun_server *servers, int ct);
michael@0 173 int nr_ice_ctx_set_turn_servers(nr_ice_ctx *ctx,nr_ice_turn_server *servers, int ct);
michael@0 174 int nr_ice_ctx_set_resolver(nr_ice_ctx *ctx, nr_resolver *resolver);
michael@0 175 int nr_ice_ctx_set_interface_prioritizer(nr_ice_ctx *ctx, nr_interface_prioritizer *prioritizer);
michael@0 176 int nr_ice_ctx_set_trickle_cb(nr_ice_ctx *ctx, nr_ice_trickle_candidate_cb cb, void *cb_arg);
michael@0 177
michael@0 178 #define NR_ICE_MAX_ATTRIBUTE_SIZE 256
michael@0 179
michael@0 180 extern int LOG_ICE;
michael@0 181
michael@0 182 #ifdef __cplusplus
michael@0 183 }
michael@0 184 #endif /* __cplusplus */
michael@0 185 #endif
michael@0 186

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