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ice.h
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1 
17 #ifndef JANUS_ICE_H
18 #define JANUS_ICE_H
19 
20 #include <glib.h>
21 #include <agent.h>
22 
23 #include "sdp.h"
24 #include "dtls.h"
25 #include "sctp.h"
26 #include "rtcp.h"
27 #include "text2pcap.h"
28 #include "utils.h"
29 #include "ip-utils.h"
30 #include "refcount.h"
31 #include "plugins/plugin.h"
32 
33 
43 void janus_ice_init(gboolean ice_lite, gboolean ice_tcp, gboolean full_trickle, gboolean ignore_mdns,
44  gboolean ipv6, gboolean ipv6_linklocal, uint16_t rtp_min_port, uint16_t rtp_max_port);
46 void janus_ice_deinit(void);
54 int janus_ice_test_stun_server(janus_network_address *addr, uint16_t port, uint16_t local_port, janus_network_address *public_addr, uint16_t *public_port);
59 int janus_ice_set_stun_server(gchar *stun_server, uint16_t stun_port);
67 int janus_ice_set_turn_server(gchar *turn_server, uint16_t turn_port, gchar *turn_type, gchar *turn_user, gchar *turn_pwd);
76 int janus_ice_set_turn_rest_api(gchar *api_server, gchar *api_key, gchar *api_method, uint api_timeout);
79 char *janus_ice_get_stun_server(void);
82 uint16_t janus_ice_get_stun_port(void);
85 char *janus_ice_get_turn_server(void);
88 uint16_t janus_ice_get_turn_port(void);
91 char *janus_ice_get_turn_rest_api(void);
99 void janus_ice_enable_nat_1_1(gboolean keep_private_host);
106 void janus_ice_enforce_interface(const char *ip);
110 gboolean janus_ice_is_enforced(const char *ip);
118 void janus_ice_ignore_interface(const char *ip);
122 gboolean janus_ice_is_ignored(const char *ip);
125 gboolean janus_ice_is_ice_lite_enabled(void);
128 gboolean janus_ice_is_ice_tcp_enabled(void);
131 gboolean janus_ice_is_full_trickle_enabled(void);
134 gboolean janus_ice_is_mdns_enabled(void);
137 gboolean janus_ice_is_ipv6_enabled(void);
142 #ifdef HAVE_ICE_NOMINATION
145 void janus_ice_set_nomination_mode(const char *nomination);
148 const char *janus_ice_get_nomination_mode(void);
149 #endif
154 void janus_ice_set_keepalive_conncheck_enabled(gboolean enabled);
160 void janus_set_min_nack_queue(uint16_t mnq);
163 uint16_t janus_get_min_nack_queue(void);
170 void janus_set_nack_optimizations_enabled(gboolean optimize);
176 void janus_set_no_media_timer(uint timer);
179 uint janus_get_no_media_timer(void);
182 void janus_set_slowlink_threshold(uint packets);
188 void janus_set_twcc_period(uint period);
191 uint janus_get_twcc_period(void);
194 void janus_set_dscp(int dscp);
197 int janus_get_dscp(void);
200 void janus_ice_set_event_stats_period(int period);
204 
207 void janus_ice_event_set_combine_media_stats(gboolean combine_media_stats_to_one_event);
211 
216 void janus_ice_debugging_enable(void);
218 void janus_ice_debugging_disable(void);
223 gboolean janus_is_opaqueid_in_api_enabled(void);
224 
225 
229 const gchar *janus_get_ice_state_name(gint state);
230 
231 
233 typedef struct janus_ice_handle janus_ice_handle;
235 typedef struct janus_ice_stream janus_ice_stream;
239 typedef struct janus_ice_trickle janus_ice_trickle;
240 
241 #define JANUS_ICE_HANDLE_WEBRTC_PROCESSING_OFFER (1 << 0)
242 #define JANUS_ICE_HANDLE_WEBRTC_START (1 << 1)
243 #define JANUS_ICE_HANDLE_WEBRTC_READY (1 << 2)
244 #define JANUS_ICE_HANDLE_WEBRTC_STOP (1 << 3)
245 #define JANUS_ICE_HANDLE_WEBRTC_ALERT (1 << 4)
246 #define JANUS_ICE_HANDLE_WEBRTC_NEGOTIATED (1 << 5)
247 #define JANUS_ICE_HANDLE_WEBRTC_TRICKLE (1 << 7)
248 #define JANUS_ICE_HANDLE_WEBRTC_ALL_TRICKLES (1 << 8)
249 #define JANUS_ICE_HANDLE_WEBRTC_TRICKLE_SYNCED (1 << 9)
250 #define JANUS_ICE_HANDLE_WEBRTC_DATA_CHANNELS (1 << 10)
251 #define JANUS_ICE_HANDLE_WEBRTC_CLEANING (1 << 11)
252 #define JANUS_ICE_HANDLE_WEBRTC_HAS_AUDIO (1 << 12)
253 #define JANUS_ICE_HANDLE_WEBRTC_HAS_VIDEO (1 << 13)
254 #define JANUS_ICE_HANDLE_WEBRTC_GOT_OFFER (1 << 14)
255 #define JANUS_ICE_HANDLE_WEBRTC_GOT_ANSWER (1 << 15)
256 #define JANUS_ICE_HANDLE_WEBRTC_HAS_AGENT (1 << 16)
257 #define JANUS_ICE_HANDLE_WEBRTC_ICE_RESTART (1 << 17)
258 #define JANUS_ICE_HANDLE_WEBRTC_RESEND_TRICKLES (1 << 18)
259 #define JANUS_ICE_HANDLE_WEBRTC_RFC4588_RTX (1 << 19)
260 #define JANUS_ICE_HANDLE_WEBRTC_NEW_DATACHAN_SDP (1 << 20)
261 #define JANUS_ICE_HANDLE_WEBRTC_E2EE (1 << 21)
262 
263 
266 typedef struct janus_ice_stats_info {
268  guint32 packets;
270  guint64 bytes;
274  gint64 updated;
278  guint32 nacks;
280 
283 typedef struct janus_ice_stats {
295 
299 void janus_ice_notify_hangup(janus_ice_handle *handle, const char *reason);
300 
301 
305 gboolean janus_plugin_session_is_alive(janus_plugin_session *plugin_session);
306 
307 
309 typedef struct janus_seq_info {
310  gint64 ts;
311  guint16 seq;
312  guint16 state;
317 enum {
321  SEQ_RECVED
322 };
323 
324 
328  void *session;
330  guint64 handle_id;
332  char *opaque_id;
334  char *token;
336  gint64 created;
338  void *app;
344  gint cdone;
346  GMainContext *mainctx;
348  GMainLoop *mainloop;
352  GThread *thread;
356  NiceAgent *agent;
362  gboolean controlling;
364  gchar *audio_mid;
366  gchar *video_mid;
368  gchar *data_mid;
370  gchar *stream_mid;
372  guint stream_id;
376  gchar *rtp_profile;
378  gchar *local_sdp;
380  gchar *remote_sdp;
382  const gchar *hangup_reason;
386  GAsyncQueue *queued_candidates;
388  GAsyncQueue *queued_packets;
396  volatile gint dump_packets;
402  volatile gint closepc;
404  volatile gint destroyed;
407 };
408 
414  guint stream_id;
416  gint cdone:1;
418  gint64 gathered;
420  guint32 audio_ssrc;
422  guint32 video_ssrc;
424  guint32 video_ssrc_rtx;
432  char *rid[3];
434  gboolean disabled_rid[3];
436  gboolean rids_hml;
438  gboolean legacy_rid;
446  GHashTable *rtx_payload_types;
450  GHashTable *clock_rates;
456  gboolean (* video_is_keyframe)(const char* buffer, int len);
464  uint32_t remb_bitrate;
466  uint16_t nack_queue_ms;
468  GHashTable *rtx_nacked[3];
478  guint32 video_first_rtp_ts[3];
524  gchar *ruser;
526  gchar *rpass;
528  GHashTable *components;
532  gboolean noerrorlog;
536  volatile gint destroyed;
539 };
540 
541 #define LAST_SEQS_MAX_LEN 160
547  guint stream_id;
551  guint state;
555  GSList *candidates;
563  gboolean process_started;
565  GSource *icestate_source;
569  GSource *dtlsrt_source;
573  gboolean do_audio_nacks;
575  gboolean do_video_nacks;
581  guint16 rtx_seq_number;
599  gboolean noerrorlog;
603  volatile gint destroyed;
606 };
607 
613  gint64 received;
615  char *transaction;
618 };
619 
623 
627 janus_ice_trickle *janus_ice_trickle_new(const char *transaction, json_t *candidate);
633 gint janus_ice_trickle_parse(janus_ice_handle *handle, json_t *candidate, const char **error);
638 
639 
643 
648 janus_ice_handle *janus_ice_handle_create(void *core_session, const char *opaque_id, const char *token);
657 gint janus_ice_handle_attach_plugin(void *core_session, janus_ice_handle *handle, janus_plugin *plugin, int loop_index);
662 gint janus_ice_handle_destroy(void *core_session, janus_ice_handle *handle);
666 void janus_ice_webrtc_hangup(janus_ice_handle *handle, const char *reason);
674 
675 
679 
697 void janus_ice_send_remb(janus_ice_handle *handle, uint32_t bitrate);
705 void janus_ice_incoming_data(janus_ice_handle *handle, char *label, char *protocol, gboolean textdata, char *buffer, int length);
710 void janus_ice_relay_sctp(janus_ice_handle *handle, char *buffer, int length);
718 
719 
723 
732 int janus_ice_setup_local(janus_ice_handle *handle, int offer, int audio, int video, int data, int trickle, janus_dtls_role dtls_role);
738 void janus_ice_candidates_to_sdp(janus_ice_handle *handle, janus_sdp_mline *mline, guint stream_id, guint component_id);
742 void janus_ice_add_remote_candidate(janus_ice_handle *handle, NiceCandidate *c);
747 void janus_ice_setup_remote_candidates(janus_ice_handle *handle, guint stream_id, guint component_id);
755 void janus_ice_restart(janus_ice_handle *handle);
760 
761 
767 void janus_ice_set_static_event_loops(int loops, gboolean allow_api);
781 
782 #endif
DTLS/SRTP processing (headers)
janus_dtls_role
DTLS roles.
Definition: dtls.h:51
@ SEQ_MISSING
Definition: ice.h:318
@ SEQ_GIVEUP
Definition: ice.h:320
@ SEQ_RECVED
Definition: ice.h:321
@ SEQ_NACKED
Definition: ice.h:319
char * janus_ice_get_stun_server(void)
Method to get the STUN server IP address.
Definition: ice.c:42
void janus_ice_add_remote_candidate(janus_ice_handle *handle, NiceCandidate *c)
Method to queue a remote candidate for processing.
Definition: ice.c:3542
void janus_ice_set_keepalive_conncheck_enabled(gboolean enabled)
Method to enable/disable connectivity checks as keepalives for PeerConnections.
Definition: ice.c:141
gint janus_ice_handle_attach_plugin(void *core_session, janus_ice_handle *handle, janus_plugin *plugin, int loop_index)
Method to attach a Janus ICE handle to a plugin.
Definition: ice.c:1326
struct janus_seq_info janus_seq_info
A helper struct for determining when to send NACKs.
void janus_ice_webrtc_hangup(janus_ice_handle *handle, const char *reason)
Method to only hangup (e.g., DTLS alert) the WebRTC PeerConnection allocated by a Janus ICE handle.
Definition: ice.c:1561
uint16_t janus_get_min_nack_queue(void)
Method to get the current min NACK value (i.e., the minimum time window of packets per handle to stor...
Definition: ice.c:620
void janus_ice_set_static_event_loops(int loops, gboolean allow_api)
Method to configure the static event loops mechanism at startup.
Definition: ice.c:210
uint16_t janus_ice_get_turn_port(void)
Method to get the TURN server port.
Definition: ice.c:59
void janus_set_twcc_period(uint period)
Method to modify the TWCC feedback period (i.e., how often TWCC feedback is sent back to media sender...
Definition: ice.c:547
void janus_set_slowlink_threshold(uint packets)
Method to modify the slowlink-threshold property (i.e., the number of lost packets per seconds that s...
Definition: ice.c:533
void janus_ice_set_event_stats_period(int period)
Method to modify the event handler statistics period (i.e., the number of seconds that should pass be...
Definition: ice.c:379
void janus_ice_send_remb(janus_ice_handle *handle, uint32_t bitrate)
Helper core callback, called when a plugin wants to send a RTCP REMB to a peer.
Definition: ice.c:5279
gboolean janus_ice_is_ipv6_linklocal_enabled(void)
Method to check whether IPv6 link-local candidates will be gathered or not.
Definition: ice.c:113
void janus_enable_opaqueid_in_api(void)
Method to enable opaque ID in Janus API responses/events.
Definition: ice.c:156
gboolean janus_ice_event_get_combine_media_stats(void)
Method to retrieve wether media statistic events shall be dispatched combined or in single events.
Definition: ice.c:391
json_t * janus_ice_static_event_loops_info(void)
Helper method to return a summary of the static loops activity.
Definition: ice.c:250
gint janus_ice_trickle_parse(janus_ice_handle *handle, json_t *candidate, const char **error)
Helper method to parse trickle candidates.
Definition: ice.c:869
gboolean janus_is_nack_optimizations_enabled(void)
Method to check whether NACK optimizations on outgoing keyframes are enabled or not.
Definition: ice.c:608
gboolean janus_ice_is_enforced(const char *ip)
Method to check whether an interface is currently in the enforce list for ICE (that is,...
Definition: ice.c:331
void janus_ice_notify_hangup(janus_ice_handle *handle, const char *reason)
Quick helper method to notify a WebRTC hangup through the Janus API.
Definition: ice.c:826
void janus_ice_stop_static_event_loops(void)
Method to stop all the static event loops, if enabled.
Definition: ice.c:267
int janus_ice_get_event_stats_period(void)
Method to get the current event handler statistics period (see above)
Definition: ice.c:382
void janus_ice_relay_rtcp(janus_ice_handle *handle, janus_plugin_rtcp *packet)
Core RTCP callback, called when a plugin has an RTCP message to send to a peer.
Definition: ice.c:5243
gboolean janus_ice_is_loop_indication_allowed(void)
Method to check whether loop indication via API is allowed.
Definition: ice.c:207
int janus_ice_setup_local(janus_ice_handle *handle, int offer, int audio, int video, int data, int trickle, janus_dtls_role dtls_role)
Method to locally set up the ICE candidates (initialization and gathering)
Definition: ice.c:3603
void janus_ice_setup_remote_candidates(janus_ice_handle *handle, guint stream_id, guint component_id)
Method to handle remote candidates and start the connectivity checks.
Definition: ice.c:3556
void janus_ice_debugging_enable(void)
Method to enable libnice debugging (http://nice.freedesktop.org/libnice/libnice-Debug-messages....
Definition: ice.c:289
void janus_ice_trickle_destroy(janus_ice_trickle *trickle)
Helper method to destroy a janus_ice_trickle instance.
Definition: ice.c:931
gboolean janus_ice_is_mdns_enabled(void)
Method to check whether mDNS resolution is enabled or not.
Definition: ice.c:102
gint janus_ice_handle_destroy(void *core_session, janus_ice_handle *handle)
Method to destroy a Janus ICE handle.
Definition: ice.c:1439
void janus_ice_notify_media_stopped(janus_ice_handle *handle)
Core SDP callback, called by the SDP stack when a stream has been paused by a negotiation.
Definition: ice.c:5342
gboolean janus_ice_is_keepalive_conncheck_enabled(void)
Method to check whether connectivity checks will be used as keepalives.
Definition: ice.c:148
void janus_set_no_media_timer(uint timer)
Method to modify the no-media event timer (i.e., the number of seconds where no media arrives before ...
Definition: ice.c:515
struct janus_ice_stats_info janus_ice_stats_info
Janus media statistics.
uint16_t janus_ice_get_stun_port(void)
Method to get the STUN server port.
Definition: ice.c:45
gboolean janus_ice_is_full_trickle_enabled(void)
Method to check whether full-trickle support is enabled or not.
Definition: ice.c:96
gboolean janus_ice_is_force_relay_allowed(void)
Method to check whether applications are allowed to force Janus to use TURN.
Definition: ice.c:78
uint janus_get_slowlink_threshold(void)
Method to get the current slowlink-threshold value (see above)
Definition: ice.c:540
void janus_ice_init(gboolean ice_lite, gboolean ice_tcp, gboolean full_trickle, gboolean ignore_mdns, gboolean ipv6, gboolean ipv6_linklocal, uint16_t rtp_min_port, uint16_t rtp_max_port)
ICE stuff initialization.
Definition: ice.c:944
struct janus_ice_stats janus_ice_stats
Janus media statistics container.
void janus_ice_component_destroy(janus_ice_component *component)
Method to only free resources related to a specific ICE component allocated by a Janus ICE handle.
Definition: ice.c:1766
int janus_ice_set_stun_server(gchar *stun_server, uint16_t stun_port)
Method to force Janus to use a STUN server when gathering candidates.
Definition: ice.c:1140
void janus_ice_deinit(void)
ICE stuff de-initialization.
Definition: ice.c:1000
void janus_set_nack_optimizations_enabled(gboolean optimize)
Method to enable/disable the NACK optimizations on outgoing keyframes: when enabled,...
Definition: ice.c:605
void janus_ice_incoming_data(janus_ice_handle *handle, char *label, char *protocol, gboolean textdata, char *buffer, int length)
Plugin SCTP/DataChannel callback, called by the SCTP stack when when there's data for a plugin.
Definition: ice.c:3305
void janus_ice_resend_trickles(janus_ice_handle *handle)
Method to resend all the existing candidates via trickle (e.g., after an ICE restart)
Definition: ice.c:3939
void janus_ice_allow_force_relay(void)
Method to enable applications to force Janus to use TURN.
Definition: ice.c:75
char * janus_ice_get_turn_server(void)
Method to get the TURN server IP address.
Definition: ice.c:56
char * janus_ice_get_turn_rest_api(void)
Method to get the specified TURN REST API backend, if any.
Definition: ice.c:65
void janus_ice_enforce_interface(const char *ip)
Method to add an interface/IP to the enforce list for ICE (that is, only gather candidates from these...
Definition: ice.c:323
void janus_ice_restart(janus_ice_handle *handle)
Method to restart ICE and the connectivity checks.
Definition: ice.c:3929
void janus_ice_relay_rtp(janus_ice_handle *handle, janus_plugin_rtp *packet)
Core RTP callback, called when a plugin has an RTP packet to send to a peer.
Definition: ice.c:5171
void janus_ice_ignore_interface(const char *ip)
Method to add an interface/IP to the ignore list for ICE (that is, don't gather candidates)
Definition: ice.c:348
janus_ice_handle * janus_ice_handle_create(void *core_session, const char *opaque_id, const char *token)
Method to create a new Janus ICE handle.
Definition: ice.c:1291
void janus_ice_relay_sctp(janus_ice_handle *handle, char *buffer, int length)
Core SCTP/DataChannel callback, called by the SCTP stack when when there's data to send.
Definition: ice.c:5307
gboolean janus_ice_is_ice_lite_enabled(void)
Method to check whether ICE Lite mode is enabled or not (still WIP)
Definition: ice.c:84
void janus_ice_send_pli(janus_ice_handle *handle)
Helper core callback, called when a plugin wants to send a RTCP PLI to a peer.
Definition: ice.c:5271
void janus_ice_dtls_handshake_done(janus_ice_handle *handle, janus_ice_component *component)
Callback to be notified when the DTLS handshake for a specific component has been completed.
Definition: ice.c:5354
gboolean janus_ice_is_ignored(const char *ip)
Method to check whether an interface/IP is currently in the ignore list for ICE (that is,...
Definition: ice.c:359
gboolean janus_plugin_session_is_alive(janus_plugin_session *plugin_session)
Quick helper method to check if a plugin session associated with a Janus handle is still valid.
Definition: ice.c:717
void janus_set_min_nack_queue(uint16_t mnq)
Method to modify the min NACK value (i.e., the minimum time window of packets per handle to store for...
Definition: ice.c:613
const gchar * janus_get_ice_state_name(gint state)
Helper method to get a string representation of a libnice ICE state.
Definition: ice.c:1263
janus_ice_trickle * janus_ice_trickle_new(const char *transaction, json_t *candidate)
Helper method to allocate a janus_ice_trickle instance.
Definition: ice.c:858
gboolean janus_ice_is_ipv6_enabled(void)
Method to check whether IPv6 candidates are enabled/supported or not.
Definition: ice.c:109
gboolean janus_is_opaqueid_in_api_enabled(void)
Method to check whether opaque ID have to be added to Janus API responses/events.
Definition: ice.c:159
void janus_ice_debugging_disable(void)
Method to disable libnice debugging (the default)
Definition: ice.c:304
gboolean janus_ice_is_ice_tcp_enabled(void)
Method to check whether ICE-TCP support is enabled/supported or not (still WIP)
Definition: ice.c:90
uint janus_get_no_media_timer(void)
Method to get the current no-media event timer (see above)
Definition: ice.c:522
int janus_ice_set_turn_server(gchar *turn_server, uint16_t turn_port, gchar *turn_type, gchar *turn_user, gchar *turn_pwd)
Method to force Janus to use a TURN server when gathering candidates.
Definition: ice.c:1186
gboolean janus_ice_is_ice_debugging_enabled(void)
Method to check whether libnice debugging has been enabled (http://nice.freedesktop....
Definition: ice.c:286
void janus_ice_candidates_to_sdp(janus_ice_handle *handle, janus_sdp_mline *mline, guint stream_id, guint component_id)
Method to add local candidates to a janus_sdp SDP object representation.
Definition: ice.c:3483
int janus_get_dscp(void)
Method to get the current DSCP value (see above)
Definition: ice.c:568
void janus_ice_relay_data(janus_ice_handle *handle, janus_plugin_data *packet)
Core SCTP/DataChannel callback, called when a plugin has data to send to a peer.
void janus_ice_notify_data_ready(janus_ice_handle *handle)
Plugin SCTP/DataChannel callback, called by the SCTP stack when data can be written.
Definition: ice.c:5328
int janus_ice_set_turn_rest_api(gchar *api_server, gchar *api_key, gchar *api_method, uint api_timeout)
Method to force Janus to contact a TURN REST API server to get a TURN service to use when gathering c...
Definition: ice.c:1236
void janus_ice_enable_nat_1_1(gboolean keep_private_host)
Helper method to force Janus to overwrite all host candidates with the public IP.
Definition: ice.c:314
void janus_set_dscp(int dscp)
Method to modify the DSCP value to set, which is disabled by default.
Definition: ice.c:562
void janus_seq_list_free(janus_seq_info **head)
Definition: ice.c:689
void janus_ice_stream_destroy(janus_ice_stream *stream)
Method to only free resources related to a specific ICE stream allocated by a Janus ICE handle.
Definition: ice.c:1673
int janus_ice_get_static_event_loops(void)
Method to return the number of static event loops, if enabled.
Definition: ice.c:204
int janus_ice_test_stun_server(janus_network_address *addr, uint16_t port, uint16_t local_port, janus_network_address *public_addr, uint16_t *public_port)
Method to check whether a STUN server is reachable.
Definition: ice.c:1006
void janus_ice_event_set_combine_media_stats(gboolean combine_media_stats_to_one_event)
Method to define wether the media stats shall be dispatched in one event (true) or in dedicated singl...
Definition: ice.c:388
uint janus_get_twcc_period(void)
Method to get the current TWCC period (see above)
Definition: ice.c:556
IP address related utility functions (headers)
GMutex janus_mutex
Janus mutex implementation.
Definition: mutex.h:73
Plugin-Core communication (implementation)
struct json_t json_t
Definition: plugin.h:236
Reference counter mechanism.
RTCP processing (headers)
SCTP processing for data channels (headers)
SDP processing (headers)
Janus DTLS-SRTP handle.
Definition: dtls.h:66
Janus ICE component.
Definition: ice.h:543
gboolean process_started
Whether the setup of remote candidates for this component has started or not.
Definition: ice.h:563
gboolean do_video_nacks
Whether we should do NACKs (in or out) for video.
Definition: ice.h:575
guint nack_sent_recent_cnt
Number of NACKs sent since last log message.
Definition: ice.h:589
gchar * selected_pair
String representation of the selected pair as notified by libnice (foundations)
Definition: ice.h:561
GSList * local_candidates
GLib list of local candidates for this component (summary)
Definition: ice.h:557
gint64 nack_sent_log_ts
Last time a log message about sending NACKs was printed.
Definition: ice.h:587
gint64 component_connected
Monotonic time of when this component has successfully connected.
Definition: ice.h:553
GHashTable * audio_retransmit_seqs
HashTable of retransmittable sequence numbers, in case we receive NACKs.
Definition: ice.h:579
janus_ice_stats in_stats
Stats for incoming data (audio/video/data)
Definition: ice.h:595
janus_dtls_srtp * dtls
DTLS-SRTP stack.
Definition: ice.h:571
volatile gint destroyed
Atomic flag to check if this instance has been destroyed.
Definition: ice.h:603
GHashTable * video_retransmit_seqs
Definition: ice.h:579
GQueue * video_retransmit_buffer
Definition: ice.h:577
GSList * remote_candidates
GLib list of remote candidates for this component (summary)
Definition: ice.h:559
janus_seq_info * last_seqs_audio
List of recently received audio sequence numbers (as a support to NACK generation)
Definition: ice.h:591
janus_ice_stream * stream
Janus ICE stream this component belongs to.
Definition: ice.h:545
gboolean do_audio_nacks
Whether we should do NACKs (in or out) for audio.
Definition: ice.h:573
janus_ice_stats out_stats
Stats for outgoing data (audio/video/data)
Definition: ice.h:597
gint64 retransmit_log_ts
Last time a log message about sending retransmits was printed.
Definition: ice.h:583
guint retransmit_recent_cnt
Number of retransmitted packets since last log message.
Definition: ice.h:585
janus_seq_info * last_seqs_video[3]
List of recently received video sequence numbers (as a support to NACK generation,...
Definition: ice.h:593
janus_refcount ref
Reference counter for this instance.
Definition: ice.h:605
gboolean noerrorlog
Helper flag to avoid flooding the console with the same error all over again.
Definition: ice.h:599
guint stream_id
libnice ICE stream ID
Definition: ice.h:547
janus_mutex mutex
Mutex to lock/unlock this component.
Definition: ice.h:601
GSource * icestate_source
Timer to check when we should consider ICE as failed.
Definition: ice.h:565
GSource * dtlsrt_source
Re-transmission timer for DTLS.
Definition: ice.h:569
guint component_id
libnice ICE component ID
Definition: ice.h:549
GQueue * audio_retransmit_buffer
List of previously sent janus_rtp_packet RTP packets, in case we receive NACKs.
Definition: ice.h:577
guint state
libnice ICE component state
Definition: ice.h:551
GSList * candidates
GLib list of libnice remote candidates for this component.
Definition: ice.h:555
gint64 icefailed_detected
Time of when we first detected an ICE failed (we'll need this for the timer above)
Definition: ice.h:567
guint16 rtx_seq_number
Current sequence number for the RFC4588 rtx SSRC session.
Definition: ice.h:581
Janus ICE handle.
Definition: ice.h:326
void * app
Opaque application (plugin) pointer.
Definition: ice.h:338
gint last_event_stats
Count of how many seconds passed since the last stats passed to event handlers.
Definition: ice.h:394
janus_refcount ref
Reference counter for this instance.
Definition: ice.h:406
GList * pending_trickles
List of pending trickle candidates (those we received before getting the JSEP offer)
Definition: ice.h:384
void * static_event_loop
In case static event loops are used, opaque pointer to the loop.
Definition: ice.h:350
gboolean controlling
ICE role (controlling or controlled)
Definition: ice.h:362
janus_text2pcap * text2pcap
In case this session must be saved to text2pcap, the instance to dump packets to.
Definition: ice.h:398
GSource * rtcp_source
Definition: ice.h:354
gchar * local_sdp
SDP generated locally (just for debugging purposes)
Definition: ice.h:378
gchar * remote_sdp
SDP received by the peer (just for debugging purposes)
Definition: ice.h:380
GAsyncQueue * queued_packets
Queue of events in the loop and outgoing packets to send.
Definition: ice.h:388
volatile gint dump_packets
Flag to decide whether or not packets need to be dumped to a text2pcap file.
Definition: ice.h:396
GSource * rtp_source
GLib sources for outgoing traffic, recurring RTCP, and stats (and optionally TWCC)
Definition: ice.h:354
janus_flags webrtc_flags
Mask of WebRTC-related flags for this handle.
Definition: ice.h:342
GMainLoop * mainloop
GLib loop for the handle and libnice.
Definition: ice.h:348
guint srtp_errors_count
Count of the recent SRTP replay errors, in order to avoid spamming the logs.
Definition: ice.h:390
GAsyncQueue * queued_candidates
Queue of remote candidates that still need to be processed.
Definition: ice.h:386
gint64 created
Monotonic time of when the handle has been created.
Definition: ice.h:336
gchar * rtp_profile
RTP profile set by caller (so that we can match it)
Definition: ice.h:376
NiceAgent * agent
libnice ICE agent
Definition: ice.h:356
GThread * thread
GLib thread for the handle and libnice.
Definition: ice.h:352
janus_mutex mutex
Mutex to lock/unlock the ICE session.
Definition: ice.h:400
gchar * audio_mid
Audio mid (media ID)
Definition: ice.h:364
gint64 agent_started
Monotonic time of when the ICE agent has been started (remote credentials set)
Definition: ice.h:360
volatile gint closepc
Whether a close_pc was requested recently on the PeerConnection.
Definition: ice.h:402
char * token
Token that was used to attach the handle, if required.
Definition: ice.h:334
gchar * video_mid
Video mid (media ID)
Definition: ice.h:366
char * opaque_id
Opaque identifier, e.g., to provide inter-handle relationships to external tools.
Definition: ice.h:332
janus_ice_stream * stream
ICE stream.
Definition: ice.h:374
gint last_srtp_error
Count of the recent SRTP replay errors, in order to avoid spamming the logs.
Definition: ice.h:392
gint last_srtp_summary
Definition: ice.h:392
volatile gint destroyed
Atomic flag to check if this instance has been destroyed.
Definition: ice.h:404
gint cdone
Number of gathered candidates.
Definition: ice.h:344
const gchar * hangup_reason
Reason this handle has been hung up.
Definition: ice.h:382
GSource * stats_source
Definition: ice.h:354
guint64 handle_id
Handle identifier, guaranteed to be non-zero.
Definition: ice.h:330
guint stream_id
ICE Stream ID.
Definition: ice.h:372
gchar * stream_mid
Main mid (will be a pointer to one of the above)
Definition: ice.h:370
GSource * twcc_source
Definition: ice.h:354
GMainContext * mainctx
GLib context for the handle and libnice.
Definition: ice.h:346
janus_plugin_session * app_handle
Opaque core/plugin session pointer.
Definition: ice.h:340
gchar * data_mid
Data channel mid (media ID)
Definition: ice.h:368
gint64 agent_created
Monotonic time of when the ICE agent has been created.
Definition: ice.h:358
void * session
Opaque pointer to the core/peer session.
Definition: ice.h:328
Janus media statistics.
Definition: ice.h:266
guint32 bytes_lastsec_temp
Definition: ice.h:272
gint64 updated
Time we last updated the last second counter.
Definition: ice.h:274
guint32 packets
Packets sent or received.
Definition: ice.h:268
guint32 nacks
Number of NACKs sent or received.
Definition: ice.h:278
gboolean notified_lastsec
Whether or not we notified about lastsec issues already.
Definition: ice.h:276
guint64 bytes
Bytes sent or received.
Definition: ice.h:270
guint32 bytes_lastsec
Bytes sent or received in the last second.
Definition: ice.h:272
Janus media statistics container.
Definition: ice.h:283
guint sl_lost_count_video
Last known count of lost video packets (for slow_link)
Definition: ice.h:293
janus_ice_stats_info video[3]
Video info (considering we may be simulcasting)
Definition: ice.h:287
janus_ice_stats_info data
Data info.
Definition: ice.h:289
guint sl_lost_count_audio
Last known count of lost audio packets (for slow_link)
Definition: ice.h:291
janus_ice_stats_info audio
Audio info.
Definition: ice.h:285
Janus ICE stream.
Definition: ice.h:410
guint16 transport_wide_cc_cycles
Transport wide cc transport seq num wrap cycles.
Definition: ice.h:512
gchar * ruser
The ICE username for this stream.
Definition: ice.h:524
janus_dtls_role dtls_role
DTLS role of the server for this stream.
Definition: ice.h:518
gint64 video_last_ntp_ts
Last sent video NTP timestamp.
Definition: ice.h:484
uint32_t remb_bitrate
Latest REMB feedback we received.
Definition: ice.h:464
guint32 video_last_rtp_ts
Last sent video RTP timestamp.
Definition: ice.h:486
guint32 video_ssrc_peer_orig[3]
Definition: ice.h:428
gboolean noerrorlog
Helper flag to avoid flooding the console with the same error all over again.
Definition: ice.h:532
GHashTable * rtx_nacked[3]
Map(s) of the NACKed packets (to track retransmissions and avoid duplicates)
Definition: ice.h:468
guint32 video_ssrc_peer_rtx[3]
Video retransmissions SSRC(s) of the peer for this stream.
Definition: ice.h:430
guint stream_id
libnice ICE stream ID
Definition: ice.h:414
GList * video_payload_types
List of payload types we can expect for video.
Definition: ice.h:444
guint32 audio_ssrc
Audio SSRC of the server for this stream.
Definition: ice.h:420
guint32 video_ssrc_peer_rtx_new[3]
Definition: ice.h:430
int opusred_pt
opus/red payload type, if enabled
Definition: ice.h:448
gint64 video_first_ntp_ts[3]
First received video NTP timestamp (for all simulcast video streams)
Definition: ice.h:476
gint transport_wide_cc_ext_id
Transport wide cc rtp ext ID.
Definition: ice.h:504
guint32 video_ssrc_rtx
Video retransmission SSRC of the peer for this stream.
Definition: ice.h:424
gint ridrtx_ext_id
Definition: ice.h:490
gint64 audio_first_ntp_ts
First received audio NTP timestamp.
Definition: ice.h:472
guint32 transport_wide_cc_last_feedback_seq_num
Last transport wide seq num sent on feedback.
Definition: ice.h:510
gint playoutdelay_ext_id
Playout delay extension ID.
Definition: ice.h:496
gint video_rtx_payload_type
Definition: ice.h:452
GList * audio_payload_types
List of payload types we can expect for audio.
Definition: ice.h:442
char * audio_codec
Codecs used by this stream.
Definition: ice.h:454
GHashTable * rtx_payload_types
Mapping of rtx payload types to actual media-related packet types.
Definition: ice.h:446
gint rid_ext_id
RTP Stream extension ID, and the related rtx one.
Definition: ice.h:490
gboolean audio_send
Media direction.
Definition: ice.h:458
GHashTable * pending_nacked_cleanup
Map of the pending NACKed cleanup callback.
Definition: ice.h:470
GHashTable * clock_rates
Mapping of payload types to their clock rates, as advertised in the SDP.
Definition: ice.h:450
gchar * rpass
The ICE password for this stream.
Definition: ice.h:526
gboolean audio_recv
Definition: ice.h:458
volatile gint destroyed
Atomic flag to check if this instance has been destroyed.
Definition: ice.h:536
guint32 video_ssrc_peer_new[3]
Definition: ice.h:428
char * video_codec
Definition: ice.h:454
guint32 audio_ssrc_peer_orig
Definition: ice.h:426
guint32 video_ssrc
Video SSRC of the server for this stream.
Definition: ice.h:422
uint16_t nack_queue_ms
Size of the NACK queue (in ms), dynamically updated per the RTT.
Definition: ice.h:466
GHashTable * components
GLib hash table of components (IDs are the keys)
Definition: ice.h:528
gint64 gathered
Monotonic time of when gathering has completed.
Definition: ice.h:418
janus_mutex mutex
Mutex to lock/unlock this stream.
Definition: ice.h:534
janus_ice_handle * handle
Janus ICE handle this stream belongs to.
Definition: ice.h:412
gboolean video_recv
Definition: ice.h:458
guint32 audio_first_rtp_ts
First received audio RTP timestamp.
Definition: ice.h:474
guint16 transport_wide_cc_out_seq_num
Last sent transport wide seq num.
Definition: ice.h:506
guint32 audio_last_rtp_ts
Last sent audio RTP timestamp.
Definition: ice.h:482
janus_refcount ref
Reference counter for this instance.
Definition: ice.h:538
gint mid_ext_id
SDES mid RTP extension ID.
Definition: ice.h:488
gint abs_send_time_ext_id
Absolute Send Time ext ID.
Definition: ice.h:500
guint32 video_first_rtp_ts[3]
First received video NTP RTP timestamp (for all simulcast video streams)
Definition: ice.h:478
gboolean video_send
Definition: ice.h:458
gint dependencydesc_ext_id
Dependency descriptor extension ID.
Definition: ice.h:498
gboolean rids_hml
Whether the order of the rids in the SDP will be h-m-l (TRUE) or l-m-h (FALSE)
Definition: ice.h:436
gint audiolevel_ext_id
Audio levels extension ID.
Definition: ice.h:492
gint cdone
Whether this stream is ready to be used.
Definition: ice.h:416
guint32 transport_wide_cc_last_seq_num
Last received transport wide seq num.
Definition: ice.h:508
guint32 audio_ssrc_peer_new
Definition: ice.h:426
janus_rtcp_context * audio_rtcp_ctx
RTCP context for the audio stream.
Definition: ice.h:460
guint transport_wide_cc_feedback_count
Transport wide cc rtp ext ID.
Definition: ice.h:514
gint64 audio_last_ntp_ts
Last sent audio NTP timestamp.
Definition: ice.h:480
gint audio_payload_type
RTP payload types of this stream.
Definition: ice.h:452
gint videoorientation_ext_id
Video orientation extension ID.
Definition: ice.h:494
gchar * remote_hashing
Hashing algorhitm used by the peer for the DTLS certificate (e.g., "SHA-256")
Definition: ice.h:520
gchar * remote_fingerprint
Hashed fingerprint of the peer's certificate, as parsed in SDP.
Definition: ice.h:522
gboolean legacy_rid
Whether we should use the legacy simulcast syntax (a=simulcast:recv rid=..) or the proper one (a=simu...
Definition: ice.h:438
gboolean(* video_is_keyframe)(const char *buffer, int len)
Pointer to function to check if a packet is a keyframe (depends on negotiated codec)
Definition: ice.h:456
guint32 video_ssrc_peer_temp
Definition: ice.h:428
GSList * transport_wide_received_seq_nums
GLib list of transport wide cc stats in reverse received order.
Definition: ice.h:516
char * rid[3]
Array of RTP Stream IDs (for simulcasting, if enabled)
Definition: ice.h:432
janus_ice_component * component
ICE component.
Definition: ice.h:530
janus_rtcp_context * video_rtcp_ctx[3]
RTCP context(s) for the video stream (may be simulcasting)
Definition: ice.h:462
gint video_payload_type
Definition: ice.h:452
gboolean disabled_rid[3]
Which simulcast rids are currently disabled, as per the latest negotiation.
Definition: ice.h:434
guint32 video_ssrc_peer_rtx_orig[3]
Definition: ice.h:430
gboolean do_transport_wide_cc
Whether we do transport wide cc for video.
Definition: ice.h:502
janus_rtp_switching_context rtp_ctx[3]
RTP switching context(s) in case of renegotiations (audio+video and/or simulcast)
Definition: ice.h:440
guint32 audio_ssrc_peer
Audio SSRC of the peer for this stream.
Definition: ice.h:426
guint32 video_ssrc_peer[3]
Video SSRC(s) of the peer for this stream (may be simulcasting)
Definition: ice.h:428
Helper to handle pending trickle candidates (e.g., when we're still waiting for an offer)
Definition: ice.h:609
gint64 received
Monotonic time of when this trickle candidate has been received.
Definition: ice.h:613
char * transaction
Janus API transaction ID of the original trickle request.
Definition: ice.h:615
janus_ice_handle * handle
Janus ICE handle this trickle candidate belongs to.
Definition: ice.h:611
json_t * candidate
JSON object of the trickle candidate(s)
Definition: ice.h:617
Structure to hold network addresses in a tagged union which should be IPv4 and IPv6 compatible....
Definition: ip-utils.h:53
Janus plugin data message.
Definition: plugin.h:615
Janus plugin RTCP packet.
Definition: plugin.h:598
Janus plugin RTP packet.
Definition: plugin.h:580
Plugin-Gateway session mapping.
Definition: plugin.h:239
The plugin session and callbacks interface.
Definition: plugin.h:252
Definition: refcount.h:78
RTP context, in order to make sure SSRC changes result in coherent seq/ts increases.
Definition: rtp.h:256
SDP m-line representation.
Definition: sdp-utils.h:128
A helper struct for determining when to send NACKs.
Definition: ice.h:309
guint16 seq
Definition: ice.h:311
gint64 ts
Definition: ice.h:310
guint16 state
Definition: ice.h:312
struct janus_seq_info * next
Definition: ice.h:313
struct janus_seq_info * prev
Definition: ice.h:314
Instance of a text2pcap recorder.
Definition: text2pcap.h:49
Internal RTCP state context (for RR/SR)
Definition: rtcp.h:229
Dumping of RTP/RTCP packets to text2pcap or pcap format (headers)
TURN REST API client.
gsize janus_flags
Janus flags container.
Definition: utils.h:154