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Daniel Donoghue 4c7b277960 MT#55283 add rollback NG message ... Add an opt-in rollback message to the NG protocol. It lets a signalling application undo an SDP offer that rtpengine has applied but the remote endpoint subsequently rejects, without deleting the established call. A client enables checkpointing with track-state on an offer. rtpengine snapshots the affected dialogue before applying it; an answer commits the exchange and discards the snapshot, and rollback restores and consumes it. A dialogue holds at most one outstanding checkpoint, so offers arriving before an exchange completes keep the existing snapshot and a rollback returns to the last completed offer/answer. A checkpoint holds a snapshot in the call record format the Redis encoder already produces, so there is one definition of what a call's state looks like and no second encoder to keep in step. Decoding a snapshot needs the field readers the Redis restore path already had, so those are shared rather than duplicated; json_restore_call() reads the same fields, in the same order, with the same strict-return behaviour. Applying a snapshot copies negotiated state back onto the live objects, matched by unique id. The objects are never recreated, so local sockets and ports survive. State a rejected offer introduced is removed as well as overwritten: a field the encoder writes only when set is absent from a snapshot taken before it existed, and that absence clears it. ICE and DTLS reconverge rather than being rewound, since applying the offer has already reset the agent and shut down the DTLS association. Restoring the accepted credentials and candidates lets connectivity checks rebuild ICE state, and restoring the fingerprint, TLS id and setup permits a fresh handshake. Outstanding checkpoints are stored in the Redis call record so they survive takeover. Checkpoint data is auxiliary: one that cannot be read is discarded in full while the call itself is restored without rollback capability. The preload shims no longer inherit the sanitizer options from CFLAGS. They are loaded by the harness into the test scripts' own interpreter, where a sanitizer runtime crashed the daemon tests on aarch64 during library initialisation. Everything else in CFLAGS, the Debian hardening flags included, still applies to them. The Redis tests no longer assume the record length is four digits, and read the record across as many reads as it takes.		3 weeks ago
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.ycm_extra_conf.py	MT#55283 initial support for io_uring	2 years ago
arena.h	MT#55283 support from-tag aliases	6 months ago
audio_player.h	MT#55283 fix non-tc builds	4 months ago
call.h	MT#55283 add rollback NG message	3 weeks ago
call_flags.h	MT#55283 add rollback NG message	3 weeks ago
call_interfaces.h	MT#55283 add rollback NG message	3 weeks ago
cdr.h	MT#61352 consolidate opmode with ng_command	2 years ago
cli.h	MT#55283 add return value to cw_printf	2 years ago
codec.h	MT#55283 improve skew calculation	4 months ago
control_ng.h	MT#55283 add rollback NG message	3 weeks ago
control_ng_flags_parser.h	MT#55283 rework dict_iter	2 years ago
control_tcp.h	MT#59086 Unify header files.	3 years ago
control_udp.h	MT#59086 Unify header files.	3 years ago
cookie_cache.h	MT#55283 convert cookie_cache to int64_t	1 year ago
counter_stats_fields.inc	MT#61352 consolidate opmode with ng_command	2 years ago
crypto.h	MT#55283 clean up logging system	4 months ago
dtls.h	MT#55283 store sfd in fsin in dtls_connection	1 year ago
dtmf.h	MT#59038 support DTMF VSC to control recording	3 years ago
gauge_stats_fields.inc	MT#61822 add player_cache stats metric	2 years ago
graphite.h	MT#55283 convert graphite to int64_t	1 year ago
homer.h	MT#55283 convert homer to int64_t	1 year ago
ice.h	MT#55283 add rollback NG message	3 weeks ago
iptables.h	MT#59086 Unify header files.	3 years ago
janus.h	MT#59086 Unify header files.	3 years ago
jitter_buffer.h	MT#55283 adaptive jitter buffer	10 months ago
kernel.h	MT#55283 split up startup-shutdown	2 months ago
ll_d.h	MT#55283 clean up logging system	4 months ago
load.h	MT#55283 refactor load monitor thread	3 years ago
log_d.h	MT#55283 clean up logging system	4 months ago
loglevels_d.inc	MT#55283 clean up logging system	4 months ago
main.h	MT#55283 feat: add --record-both option for simultaneous media recording	2 months ago
media_player.h	MT#61856 media_player: make `*.db_id`s unsigned	3 months ago
media_socket.h	MT#55283 feat: add --record-both option for simultaneous media recording	2 months ago
mqtt.h	MT#59086 Unify header files.	3 years ago
nftables.h	MT#55283 support table creation through nft	2 months ago
ng_client.h	MT#61625 add ng_client code	2 years ago
recording.h	MT#61352 consolidate opmode with ng_command	2 years ago
redis.h	MT#55283 add rollback NG message	3 weeks ago
rtcp.h	MT#55283 disable kernel RTCP FW if filtering	1 year ago
rtp.h	MT#63317 remove duplicate header parsing	1 year ago
sampled_stats_fields.inc	MT#61352 consolidate opmode with ng_command	2 years ago
sdp.h	MT#55283 rename SDP origin fields	6 months ago
ssrc.h	MT#55283 differentiate sequence-gap based and rtcp based packets lost	4 months ago
statistics.h	MT#55283 convert last_packet to int64_t	1 year ago
stun.h	MT#59086 Unify header files.	3 years ago
t38.h	MT#55283 convert t38_gateway to int64_t	1 year ago
tcp_listener.h	MT#55283 fix/rework poller-per-thread feature	3 years ago
timerthread.h	MT#55283 convert timerthread to int64_t	1 year ago
types.h	MT#55283 move type definition	5 months ago
udp_listener.h	MT#59086 Unify header files.	3 years ago
websocket.h	MT#55283 overhaul WS locking logic	1 year ago