1120c7b579cd68bbad9f89c37ad424cf18d465ca
10 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Siavash Sameni
|
bc6d327ebb |
feat(nat): smart candidate filtering + acceptor NAT tickle + 4s timeout
Major P2P improvements for cross-network calls: Smart candidate filtering (smart_dial_order): - Strip LAN candidates when peer's public IP differs from ours (172.16.x.x is unreachable from a different network) - Strip all IPv6 candidates (Phase 7 disabled, wastes dial slots) - Only keep mapped + reflexive for cross-network calls - LAN candidates preserved when both peers share the same public IP Acceptor NAT tickle: - A-role sends a 1-byte UDP packet to each peer candidate BEFORE accepting. This opens the NAT pinhole for return traffic from the Dialer's IP — critical for address-restricted NATs that only allow inbound from IPs they've seen outbound traffic to. - Uses SO_REUSEADDR on the same port as the quinn endpoint. Direct timeout increased from 2s to 4s: - Cross-network QUIC handshakes through CGNAT can take 2-3s - 2s was too aggressive for 5G/LTE networks Diagnostic fix: - Record "timeout:4s" for candidates still in-flight when the timeout fires (previously these had no diagnostic entry) 5 new tests for smart_dial_order edge cases. 593 tests pass, 0 regressions. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> |
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Siavash Sameni
|
8fcf1be341 |
feat(nat): Tailscale-inspired STUN/ICE + port mapping + mid-call re-gathering (#28)
Phase 8: 5 new modules bringing NAT traversal close to Tailscale's approach. - stun.rs: RFC 5389 STUN client — public server reflexive discovery, XOR-MAPPED-ADDRESS parsing, parallel probe with retry, STUN fallback in desktop try_reflect_own_addr() - portmap.rs: NAT-PMP (RFC 6886) + PCP (RFC 6887) + UPnP IGD port mapping — gateway discovery, acquire/release/refresh lifecycle, new PeerCandidates.mapped candidate type in dial order - ice_agent.rs: candidate lifecycle — gather(), re_gather(), apply_peer_update() with monotonic generation counter, CandidateUpdate signal message forwarded by relay - netcheck.rs: comprehensive diagnostic — NAT type, IPv4/v6, port mapping availability, relay latencies, CLI --netcheck - relay_map.rs: RTT-sorted relay map, preferred() selection, populate_from_ack() for RegisterPresenceAck.available_relays Relay: CallRegistry stores + cross-wires caller/callee_mapped_addr into CallSetup.peer_mapped_addr. Region config + available_relays populated from federation peers in RegisterPresenceAck. Desktop: place_call/answer_call call acquire_port_mapping() and fill caller/callee_mapped_addr. STUN+relay combined NAT detection. 571 tests pass (66 new), 0 regressions, 0 warnings. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> |
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Siavash Sameni
|
ea5fc17c34 |
fix(relay): debug tap signal logging, dual_path test regression, PRD updates
- Add log_signal() and log_event() to DebugTap for RoomUpdate, QualityDirective, join/leave lifecycle events (task #11) - Fix dual_path.rs Phase 7 regression: add missing ipv6_endpoint arg to 3 race() call sites - Update PRDs to reflect actual implementation status: mark adaptive quality, coordinated codec, P2P, network awareness, protocol analyzer - Update PROGRESS.md with QualityDirective gap and dual_path regression Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> |
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Siavash Sameni
|
f5542ef822 |
feat(p2p): Phase 6 — ICE-style path negotiation
Before Phase 6, each side's dual-path race ran independently and
committed to whichever transport completed first. When one side
picked Direct and the other picked Relay, they sent media to
different places — TX > 0 RX: 0 on both, completely silent call.
Phase 6 adds a negotiation step: after the local race completes,
each side sends a MediaPathReport { call_id, direct_ok, winner }
to the peer through the relay. Both wait for the other's report
before committing a transport to the CallEngine. The decision
rule is simple: if BOTH report direct_ok = true, use direct; if
EITHER reports false, BOTH use relay.
## Wire protocol
New `SignalMessage::MediaPathReport { call_id, direct_ok,
race_winner }`. The relay forwards it to the call peer via the
same signal_hub routing used for DirectCallOffer/Answer. The
cross-relay dispatcher also forwards it.
## dual_path::race restructured
Returns `RaceResult` instead of `(Arc<QuinnTransport>, WinningPath)`:
- `direct_transport: Option<Arc<QuinnTransport>>`
- `relay_transport: Option<Arc<QuinnTransport>>`
- `local_winner: WinningPath`
Both paths are run as spawned tasks. After the first completes,
a 1s grace period lets the loser also finish. The connect
command gets BOTH transports (when available) and picks the
right one based on the negotiation outcome. The unused transport
is dropped.
## connect command flow (revised)
1. Run race() → RaceResult with both transports
2. Send MediaPathReport to relay with our direct_ok
3. Install oneshot; wait for peer's report (3s timeout)
4. Decision: both direct_ok → use direct; else → use relay
5. Start CallEngine with the agreed transport
If the peer never responds (old build, timeout), falls back to
relay — backward compatible.
## Relay forwarding
MediaPathReport is forwarded like DirectCallOffer/Answer: via
signal_hub.send_to(peer_fp) for same-relay calls, and via
cross-relay dispatcher for federated calls.
## Debug log events
- `connect:dual_path_race_done` — local race result
- `connect:path_report_sent` — our report to the peer
- `connect:peer_report_received` — peer's report
- `connect:peer_report_timeout` — peer didn't respond (3s)
- `connect:path_negotiated` — final agreed path with reasons
Full workspace test: 423 passing (no regressions).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Siavash Sameni
|
fa038df057 |
feat(p2p): Phase 5.5 — ICE LAN host candidates (IPv4 + IPv6)
Same-LAN P2P was failing because MikroTik masquerade (like most
consumer NATs) doesn't support NAT hairpinning — the advertised
WAN reflex addr is unreachable from a peer on the same LAN as
the advertiser. Phase 5 got us Cone NAT classification and fixed
the measurement artifact, but same-LAN direct dials still had
nowhere to land.
Phase 5.5 adds ICE-style host candidates: each client enumerates
its LAN-local network interface addresses, includes them in the
DirectCallOffer/Answer alongside the reflex addr, and the
dual-path race fans out to ALL peer candidates in parallel.
Same-LAN peers find each other via their RFC1918 IPv4 + ULA /
global-unicast IPv6 addresses without touching the NAT at all.
Dual-stack IPv6 is in scope from the start — on modern ISPs
(including Starlink) the v6 path often works even when v4
hairpinning doesn't, because there's no NAT on the v6 side.
## Changes
### `wzp_client::reflect::local_host_candidates(port)` (new)
Enumerates network interfaces via `if-addrs` and returns
SocketAddrs paired with the caller's port. Filters:
- IPv4: RFC1918 (10/8, 172.16/12, 192.168/16) + CGNAT (100.64/10)
- IPv6: global unicast (2000::/3) + ULA (fc00::/7)
- Skipped: loopback, link-local (169.254, fe80::), public v4
(already covered by reflex-addr), unspecified
Safe from any thread, one `getifaddrs(3)` syscall.
### Wire protocol (wzp-proto/packet.rs)
Three new `#[serde(default, skip_serializing_if = "Vec::is_empty")]`
fields, backward-compat with pre-5.5 clients/relays by
construction:
- `DirectCallOffer.caller_local_addrs: Vec<String>`
- `DirectCallAnswer.callee_local_addrs: Vec<String>`
- `CallSetup.peer_local_addrs: Vec<String>`
### Call registry (wzp-relay/call_registry.rs)
`DirectCall` gains `caller_local_addrs` + `callee_local_addrs`
Vec<String> fields. New `set_caller_local_addrs` /
`set_callee_local_addrs` setters. Follow the same pattern as
the reflex addr fields.
### Relay cross-wiring (wzp-relay/main.rs)
Both the local-call and cross-relay-federation paths now track
the local_addrs through the registry and inject them into the
CallSetup's peer_local_addrs. Cross-wiring is identical to the
existing peer_direct_addr logic — each party's CallSetup
carries the OTHER party's LAN candidates.
### Client side (desktop/src-tauri/lib.rs)
- `place_call`: gathers local host candidates via
`local_host_candidates(signal_endpoint.local_addr().port())`
and includes them in `DirectCallOffer.caller_local_addrs`.
The port match is critical — it's the Phase 5 shared signal
socket, so incoming dials to these addrs land on the same
endpoint that's already listening.
- `answer_call`: same, AcceptTrusted only (privacy mode keeps
LAN addrs hidden too, for consistency with the reflex addr).
- `connect` Tauri command: new `peer_local_addrs: Vec<String>`
arg. Builds a `PeerCandidates` bundle and passes it to the
dual-path race.
- Recv loop's CallSetup handler: destructures + forwards the
new field to JS via the signal-event payload.
### `dual_path::race` (wzp-client/dual_path.rs)
Signature change: takes `PeerCandidates` (reflex + local Vec)
instead of a single SocketAddr. The D-role branch now fans out
N parallel dials via `tokio::task::JoinSet` — one per candidate
— and the first successful dial wins (losers are aborted
immediately via `set.abort_all()`). Only when ALL candidates
have failed do we return Err; individual candidate failures are
just traced at debug level and the race waits for the others.
LAN host candidates are tried BEFORE the reflex addr in
`PeerCandidates::dial_order()` — they're faster when they work,
and the reflex addr is the fallback for the not-on-same-LAN
case.
### JS side (desktop/main.ts)
`connect` invoke now passes `peerLocalAddrs: data.peer_local_addrs ?? []`
alongside the existing `peerDirectAddr`.
### Tests
All existing test callsites updated for the new Vec<String>
fields (defaults to Vec::new() in tests — they don't exercise
the multi-candidate path). `dual_path.rs` integration tests
wrap the single `dead_peer` / `acceptor_listen_addr` in a
`PeerCandidates { reflexive: Some(_), local: Vec::new() }`.
Full workspace test: 423 passing (same as before 5.5).
## Expected behavior on the reporter's setup
Two phones behind MikroTik, both on the same LAN:
place_call:host_candidates {"local_addrs": ["192.168.88.21:XXX", "2001:...:YY:XXX"]}
recv:DirectCallAnswer {"callee_local_addrs": ["192.168.88.22:ZZZ", "2001:...:WW:ZZZ"]}
recv:CallSetup {"peer_direct_addr":"150.228.49.65:NN",
"peer_local_addrs":["192.168.88.22:ZZZ","2001:...:WW:ZZZ"]}
connect:dual_path_race_start {"peer_reflex":"...","peer_local":[...]}
dual_path: direct dial succeeded on candidate 0 ← LAN v4 wins
connect:dual_path_race_won {"path":"Direct"}
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Siavash Sameni
|
1618ff6c9d |
feat(p2p): Phase 5 — single-socket architecture (Nebula-style)
Before Phase 5 WarzonePhone used THREE separate UDP sockets per
client:
1. Signal endpoint (register_signal, client-only)
2. Reflect probe endpoints (one fresh socket per relay probe)
3. Dual-path race endpoint (fresh per call setup)
This broke two things in production on port-preserving NATs
(MikroTik masquerade, most consumer routers):
a. Phase 2 NAT detection was WRONG. Each probe used a fresh
internal port, so MikroTik mapped each one to a different
external port, and the classifier saw "different port per
relay" and labeled it SymmetricPort. The real NAT was
cone-like but measurement via fresh sockets hid that.
b. Phase 3.5 dual-path P2P race was BROKEN. The reflex addr
we advertised in DirectCallOffer was observed by the signal
endpoint's socket. The actual dual-path race listened on a
DIFFERENT fresh socket, on a different internal (and
therefore external) port. Peers dialed the advertised addr
and hit MikroTik's mapping for the signal socket, which
forwarded to the signal endpoint — a client-only endpoint
that doesn't accept incoming connections. Direct path
silently failed, relay always won the race.
Nebula-style fix: one socket for everything. The signal endpoint
is now dual-purpose (client + server_config), and both the
reflect probes and the dual-path race reuse it instead of
creating fresh ones. MikroTik's port-preservation then gives us
a stable external port across all flows → classifier correctly
sees Cone NAT → advertised reflex addr is the actual listening
port → direct dials from peers land on the right socket →
`endpoint.accept()` in the A-role branch of the dual-path race
picks up the incoming connection.
## Changes
### `register_signal` (desktop/src-tauri/src/lib.rs)
- Endpoint now created with `Some(server_config())` instead of
`None`. The socket can now accept incoming QUIC connections as
well as dial outbound.
- Every code path that previously read `sig.endpoint` for the
relay-dial reuse benefits automatically — same socket is now
ALSO listening for peer dials.
### `probe_reflect_addr` (wzp-client/src/reflect.rs)
- New `existing_endpoint: Option<Endpoint>` arg. `Some` reuses
the caller's socket (production: pass the signal endpoint).
`None` creates a fresh one (tests + pre-registration).
- Removed the `drop(endpoint)` at the end — was correct for
fresh endpoints (explicit early socket close) but incorrect
for shared ones. End-of-scope drop does the right thing in
both cases via Arc semantics.
### `detect_nat_type` (wzp-client/src/reflect.rs)
- New `shared_endpoint: Option<Endpoint>` arg, forwarded to
every probe in the JoinSet fan-out. One shared socket means
the classifier sees the true NAT type.
### `detect_nat_type` Tauri command (desktop/src-tauri/src/lib.rs)
- Reads `state.signal.endpoint` and passes it as the shared
endpoint. Falls back to None when not registered. NAT detection
now produces accurate classifications against MikroTik / most
consumer NATs.
### `dual_path::race` (wzp-client/src/dual_path.rs)
- New `shared_endpoint: Option<Endpoint>` arg.
- A-role: when `Some`, reuses it for `accept()`. This is the
critical change — the reflex addr advertised to peers is now
the address listening for incoming direct dials.
- D-role: when `Some`, reuses it for the outbound direct dial.
MikroTik keeps the same external port for the dial as for
the signal flow → direct dial through a cone-mapped NAT.
- Relay path: also reuses the shared endpoint so MikroTik has
a single consistent mapping across the whole call (saves one
extra external port and makes firewall traces cleaner).
- When `None`, falls back to fresh per-role endpoints as before.
### `connect` Tauri command (desktop/src-tauri/src/lib.rs)
- Reads `state.signal.endpoint` once when acquiring own reflex
addr and passes it through to `dual_path::race`.
### Tests
- `wzp-client/tests/dual_path.rs` and
`wzp-relay/tests/multi_reflect.rs` updated to pass `None` for
the new endpoint arg — tests use fresh sockets and that's
fine because the loopback harness doesn't care about
port-preserving NAT behavior.
Full workspace test: 423 passing (no regressions).
## Expected behavior after this commit on real hardware
Behind MikroTik + Starlink-bypass (the reporter's setup):
- Phase 2 NAT detect → **Cone NAT** (was SymmetricPort — false
positive from the measurement artifact)
- Phase 3.5 direct-P2P dial → succeeds for both cone-cone and
cone-CGNAT cases where the remote side was previously blocked
by our own socket mismatch
- LTE ↔ LTE cross-carrier → still likely relay fallback; that's
genuinely strict symmetric and needs Phase 5.5 port prediction.
## Phase 5.5 (next, separate PRD)
Multi-candidate port prediction + ICE-style candidate aggregation
for truly strict symmetric NATs. Not needed for the 95% case —
Phase 5 alone fixes most consumer-router setups.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Siavash Sameni
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59ce52f8e8 |
feat(p2p): Phase 3.5 dual-path QUIC race + GUI call-flow debug logs
Two features in one commit because they ship and test together:
Phase 3.5 closes the hole-punching loop and the call-flow debug
logs give the user live visibility into every step of a call so
real-hardware testing of the new P2P path is debuggable.
## Phase 3.5 — dual-path QUIC connect race
Completes the hole-punching work Phase 3 scaffolded. On receiving
a CallSetup with peer_direct_addr, the client now actually races a
direct QUIC handshake against the relay dial and uses whichever
completes first. Symmetric role assignment avoids the two-conns-
per-call problem:
- Both peers compare `own_reflex_addr` vs `peer_reflex_addr`
lexicographically.
- Smaller addr → **Acceptor** (A-role): builds a server-capable
dual endpoint, awaits an incoming QUIC session. Does NOT dial.
- Larger addr → **Dialer** (D-role): builds a client-only
endpoint, dials the peer's addr with `call-<id>` SNI. Does NOT
listen.
- Both sides always dial the relay in parallel as fallback.
- `tokio::select!` with `biased` preference for direct, `tokio::pin!`
so each branch can await the losing opposite as fallback.
- Direct timeout 2s, relay fallback timeout 5s (so 7s worst case
from CallSetup to "no media path" error).
New crate module `wzp_client::dual_path::{race, WinningPath}`
(moved here from desktop/src-tauri so it's testable from a
workspace test). `determine_role` in `wzp_client::reflect` is
pure-function and unit-tested.
### CallEngine integration
- New `pre_connected_transport: Option<Arc<QuinnTransport>>` arg
on both android + desktop `CallEngine::start` branches. Skips
the internal wzp_transport::connect step when Some. Backward-
compat: None keeps Phase 0 relay-only behavior.
- `connect` Tauri command reads own_reflex_addr from SignalState,
computes role, runs the race, passes the winning transport
into CallEngine. If ANY input is missing (no peer addr, no own
addr, equal addrs), falls back to classic relay path —
identical to pre-Phase-3.5 behavior.
### Tests (9 new, all passing)
- 6 unit tests for `determine_role` truth table in
`wzp-client/src/reflect.rs` (smaller=Acceptor, larger=Dialer,
port-only diff, equal, missing-side, symmetry)
- 3 integration tests in `crates/wzp-client/tests/dual_path.rs`:
* `dual_path_direct_wins_on_loopback` — two-endpoint test
rig, Dialer wins direct path vs loopback mock relay
* `dual_path_relay_wins_when_direct_is_dead` — dead peer
port, 2s direct timeout, relay fallback wins
* `dual_path_errors_cleanly_when_both_paths_dead` — <10s
error, no hang
## GUI call-flow debug logs
Runtime-toggled structured events at every step of a call so the
user can see where a call progressed or stalled on real hardware.
Modeled on the existing DRED_VERBOSE_LOGS pattern.
### Rust side
- `static CALL_DEBUG_LOGS: AtomicBool` + `emit_call_debug(&app,
step, details)` helper. Always logs via `tracing::info!`
(logcat always has a copy); GUI Tauri `call-debug-log` event
only fires when the flag is on.
- Tauri commands `set_call_debug_logs` / `get_call_debug_logs`.
### Instrumented steps (24 emit_call_debug sites)
- `register_signal`: start, identity loaded, endpoint created,
connect failed/ok, RegisterPresence sent, ack received/failed,
recv loop spawning
- Recv loop: CallRinging, DirectCallOffer (w/ caller_reflexive_addr),
DirectCallAnswer (w/ callee_reflexive_addr), CallSetup (w/
peer_direct_addr), Hangup
- `place_call`: start, reflect query start/ok/none, offer sent,
send failed
- `answer_call`: start, reflect query start/ok/none or privacy
skip, answer sent, send failed
- `connect`: start, dual_path_race_start (w/ role), won (w/
path), failed, skipped (w/ reasons), call_engine_starting/
started/failed
### JS side
- New `callDebugLogs: boolean` field on Settings type.
- Boot-time hydrate of the Rust flag from localStorage so the
choice survives restarts (like `dredDebugLogs`).
- Settings panel: new "Call flow debug logs" checkbox alongside
the DRED toggle.
- New "Call Debug Log" section that ONLY shows when the flag is
on. Rolling in-memory buffer of the last 200 events, rendered
as monospace `HH:MM:SS.mmm step {details}` lines with auto-
scroll and a Clear button.
- `listen("call-debug-log", ...)` subscribed at app startup,
appends to the buffer, re-renders on every event.
Full workspace test goes from 404 → 413 passing. Clippy clean
on touched crates.
PRD: .taskmaster/docs/prd_phase35_dual_path_race.txt
Tasks: 61-69 all completed
Next: APK + desktop build carrying everything — Phase 2 NAT
detect, Phase 3 advertising, Phase 3.5 dual-path + call debug
logs, plus the earlier Android first-join diagnostics — so the
user can validate the P2P path on real hardware with live
per-step visibility into where any failures happen.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Siavash Sameni
|
921856eba9 |
feat(reflect): QUIC-native NAT reflection ("STUN for QUIC") — Phase 1
Lets a client ask its registered relay "what IP:port do you see for
me?" over the existing TLS-authenticated signal channel, returning
the client's server-reflexive address as a SocketAddr. Replaces the
need for a classic STUN deployment and becomes the bootstrap step
for future P2P hole-punching: once both peers know their own reflex
addrs, they can advertise them in DirectCallOffer and attempt a
direct QUIC handshake to each other.
Wire protocol (wzp-proto):
- SignalMessage::Reflect — unit variant, client -> relay
- SignalMessage::ReflectResponse { observed_addr: String } — relay -> client
- JSON-serde, appended at end of enum: zero ordinal concerns,
backward compat with pre-Phase-1 relays by construction (older
relays log "unexpected message" and drop; newer clients time out
cleanly within 1s).
Relay handler (wzp-relay/src/main.rs, signal loop):
- New match arm next to Ping reuses the already-bound `addr` from
connection.remote_address() and replies with observed_addr as a
string. debug!-level log on success, warn!-level on send failure.
Client side (desktop/src-tauri/src/lib.rs):
- SignalState gains pending_reflect: Option<oneshot::Sender<SocketAddr>>.
- get_reflected_address Tauri command installs the oneshot before
sending Reflect and awaits it with a 1s timeout; cleans up on
every exit path (send failure, timeout, parse error).
- recv loop's new ReflectResponse arm fires the pending sender or
emits a debug log for unsolicited responses — never crashes the
loop on malformed input.
- Integrated into invoke_handler! alongside the other signal
commands.
UI (desktop/index.html + src/main.ts):
- New "Network" section in settings panel with a "Detect" button
that displays the reflected address or a categorized warning
("register first" / "relay does not support reflection" / error).
Tests (crates/wzp-relay/tests/reflect.rs — 3 new, all passing):
- reflect_happy_path: client on loopback gets back 127.0.0.1:<its own port>
- reflect_two_clients_distinct_ports: two concurrent clients see
their own distinct ports, proving per-connection remote_address
- reflect_old_relay_times_out: mock relay that ignores Reflect —
client times out between 1000-1200ms and does not hang
Also pre-existing test bit-rot unrelated to this PR — fixed so the
full workspace `cargo test` goes green:
- handshake_integration tests in wzp-client, wzp-relay and
featherchat_compat in wzp-crypto all missed the `alias` field
addition to CallOffer and the 3-arg form of perform_handshake
plus 4-tuple return of accept_handshake. Updated to the current
API surface.
Results:
cargo test --workspace --exclude wzp-android: 386 passed
cargo check --workspace: clean
cargo clippy: no new warnings in touched files
Verification excludes wzp-android because it's dead code on this
branch (Tauri mobile uses wzp-native instead) and can't link -llog
on macOS host — unchanged status quo.
PRD: .taskmaster/docs/prd_reflect_over_quic.txt
Tasks: 39-46 all completed
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Siavash Sameni
|
9e7fea7633 |
test: P2-T1-S5 long-session regression — 60s call with drift/loss assertions
3 tests in crates/wzp-client/tests/long_session.rs: 1. long_session_no_drift — 3000 frames (60s) through full encoder/decoder pipeline, asserts >95% decoded, 0 overruns, 0 underruns 2. long_session_with_simulated_loss — drops every 20th packet + reorders, asserts >90% decoded, confirms PLC fills gaps (2999/3000) 3. long_session_stats_consistency — verifies stats.total_decoded matches actual decoded count over 60s (no accounting drift) Completes P2-T1-S5. Phase 2 is now fully done. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> |
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Siavash Sameni
|
79f9ff1596 |
feat: Phase 3 — crypto handshake, codec2, benchmarks, audio I/O, relay forwarding
E2E crypto handshake: - Client/relay handshake via SignalMessage (CallOffer/CallAnswer) - X25519 ephemeral key exchange with Ed25519 identity signatures - Integration tests proving bidirectional encrypt/decrypt Codec2 integration: - Pure Rust codec2 crate (v0.3) — no C bindings needed - MODE_3200 (160 samples/20ms, 8 bytes) and MODE_1200 (320 samples/40ms, 6 bytes) - 11 new tests including encode/decode roundtrip and adaptive switching Relay forwarding: - Bidirectional client → remote forwarding with pipeline processing - CLI args: --listen, --remote - Periodic stats logging, clean shutdown via tokio::select! Benchmark tool (wzp-bench): - Codec roundtrip, FEC recovery, crypto throughput, full pipeline benchmarks - Sine wave PCM generator for realistic testing Audio I/O (cpal): - AudioCapture (microphone) and AudioPlayback (speakers) at 48kHz mono - CLI --live mode: mic → encode → send / recv → decode → speakers 120 tests passing, 0 failures. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> |