From caeed9acdc676aa10f788e81edf45892b8cdcc8e Mon Sep 17 00:00:00 2001
From: cai <cai@nbcai.cc>
Date: Tue, 25 Aug 2026 12:48:13 +0800
Subject: [PATCH] fix(helper): bind ASR ingress to fixture generation
---
src/main.rs | 2500 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 2,432 insertions(+), 68 deletions(-)
diff --git a/src/main.rs b/src/main.rs
index eed3859..b18a534 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,6 +6,7 @@
borrow::Cow,
collections::HashSet,
env, fs,
+ future::Future,
path::{Path, PathBuf},
sync::{
Arc,
@@ -59,6 +60,623 @@
const STREAM_TIMING_FIRST_CHUNK: u64 = 1;
const STREAM_TIMING_MAX_ELAPSED_MS: u64 = 5_000;
const STREAM_TIMING_SOURCE: &str = "stream_anchor_monotonic";
+const CONTROLLED_FIXTURE_PROBE_TOPIC: &str = "controlled_fixture_attribute_probe";
+const CONTROLLED_FIXTURE_ACK_TOPIC: &str = "controlled_fixture_attribute_ack";
+const CONTROLLED_FIXTURE_PROTOCOL_VERSION: u64 = 1;
+const CONTROLLED_FIXTURE_GENERATION: u64 = 1;
+const CONTROLLED_FIXTURE_PROBE_RECHECK_DELAY: Duration = Duration::from_millis(25);
+const CONTROLLED_FIXTURE_PROBE_TTL: Duration = Duration::from_millis(250);
+const CONTROLLED_FIXTURE_POST_EXPIRY_WINDOW: Duration = Duration::from_millis(2_000);
+
+const CONTROLLED_FIXTURE_ACK_RESULTS: [&str; 4] =
+ ["observed", "rejected", "timeout", "publish_failed"];
+const CONTROLLED_FIXTURE_REJECT_REASONS: [&str; 16] = [
+ "missing_attributes",
+ "wrong_source",
+ "missing_sequence",
+ "wrong_sequence",
+ "wrong_participant",
+ "expired",
+ "duplicate_or_old_sequence",
+ "no_current_participant",
+ "ack_publish_failed",
+ "missing_generation",
+ "invalid_generation",
+ "wrong_generation",
+ "invalid_language",
+ "incomplete_metadata",
+ "invalid_source_or_sequence",
+ "unknown",
+];
+
+#[derive(Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct ControlledFixtureAttributeProbe {
+ #[serde(rename = "type")]
+ message_type: String,
+ protocol_version: u64,
+ call_id_hash: String,
+ call_trace_id_hash: String,
+ generation: u64,
+ client_fixture_sequence: String,
+}
+
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+struct ControlledFixtureAttributeAck {
+ #[serde(rename = "type")]
+ message_type: &'static str,
+ protocol_version: u64,
+ call_id_hash: String,
+ call_trace_id_hash: String,
+ generation: u64,
+ client_fixture_sequence: String,
+ result: &'static str,
+ #[serde(skip_serializing_if = "Option::is_none")]
+ input_source_category: Option<&'static str>,
+ #[serde(skip_serializing_if = "Option::is_none")]
+ reject_reason: Option<&'static str>,
+}
+
+#[derive(Clone, Debug)]
+struct PendingControlledFixtureProbe {
+ sender: ParticipantIdentity,
+ call_id_hash: String,
+ call_trace_id_hash: String,
+ generation: u64,
+ sequence: String,
+ received_at: Instant,
+ expires_at: Instant,
+}
+
+#[derive(Debug, PartialEq, Eq)]
+struct ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: &'static str,
+ visibility_source: &'static str,
+ visibility_result: &'static str,
+ binding_matched: bool,
+}
+
+#[derive(Debug, PartialEq, Eq)]
+struct ControlledFixtureAckPublishOutcome {
+ observed: bool,
+ published: bool,
+}
+
+fn sha256_hex(value: &str) -> String {
+ let mut digest = Sha256::new();
+ digest.update(value.as_bytes());
+ digest
+ .finalize()
+ .iter()
+ .map(|byte| format!("{byte:02x}"))
+ .collect()
+}
+
+fn controlled_fixture_ack_classification(
+ decision: Result<(), &'static str>,
+) -> (&'static str, Option<&'static str>, bool) {
+ match decision {
+ Ok(()) => ("observed", None, true),
+ Err("timeout") => ("timeout", Some("expired"), false),
+ Err(reason) if CONTROLLED_FIXTURE_REJECT_REASONS.contains(&reason) => {
+ ("rejected", Some(reason), false)
+ }
+ Err(_) => ("rejected", Some("unknown"), false),
+ }
+}
+
+fn record_controlled_fixture_probe_event(
+ runtime_call_id: &str,
+ runtime_trace_id: &str,
+ stage: &'static str,
+ call_id_hash: &str,
+ trace_id_hash: &str,
+ generation: u64,
+ sequence: &str,
+ observed: bool,
+ ack_result: Option<&'static str>,
+ reject_reason: Option<&'static str>,
+) {
+ debug_assert!(ack_result.is_none_or(|value| CONTROLLED_FIXTURE_ACK_RESULTS.contains(&value)));
+ debug_assert!(
+ reject_reason.is_none_or(|value| CONTROLLED_FIXTURE_REJECT_REASONS.contains(&value))
+ );
+ println!(
+ "{}",
+ controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
+ stage,
+ call_id_hash,
+ trace_id_hash,
+ generation,
+ sequence,
+ observed,
+ ack_result,
+ reject_reason,
+ )
+ );
+}
+
+fn controlled_fixture_probe_event(
+ runtime_call_id: &str,
+ runtime_trace_id: &str,
+ stage: &'static str,
+ call_id_hash: &str,
+ trace_id_hash: &str,
+ generation: u64,
+ sequence: &str,
+ observed: bool,
+ ack_result: Option<&'static str>,
+ reject_reason: Option<&'static str>,
+) -> serde_json::Value {
+ json!({
+ "type": "cv_activity",
+ "callId": runtime_call_id,
+ "traceId": runtime_trace_id,
+ "turnId": null,
+ "eventName": "controlled_fixture_attribute_probe",
+ "eventWallTimeMs": current_time_millis(),
+ "result": "ok",
+ "reasonCode": null,
+ "retryable": null,
+ "extension": {
+ "stage": stage,
+ "observed": observed,
+ "ack_result": ack_result,
+ "reject_reason": reject_reason,
+ "call_id_hash": call_id_hash,
+ "trace_id_hash": trace_id_hash,
+ "generation": generation,
+ "sequence_hash": sha256_hex(sequence),
+ },
+ })
+}
+
+fn record_controlled_fixture_attribute_decision(
+ decision: Result<(), &'static str>,
+ runtime_call_id: &str,
+ runtime_trace_id: &str,
+ call_id_hash: &str,
+ trace_id_hash: &str,
+ generation: u64,
+ sequence: &str,
+) -> (&'static str, Option<&'static str>, bool) {
+ let classification = controlled_fixture_ack_classification(decision);
+ record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
+ "attributes_classified",
+ call_id_hash,
+ trace_id_hash,
+ generation,
+ sequence,
+ classification.2,
+ Some(classification.0),
+ classification.1,
+ );
+ classification
+}
+
+async fn complete_controlled_fixture_ack_publish<F, E>(
+ publish: F,
+ runtime_call_id: &str,
+ runtime_trace_id: &str,
+ observed: bool,
+ ack_result: &'static str,
+ reject_reason: Option<&'static str>,
+ call_id_hash: &str,
+ trace_id_hash: &str,
+ generation: u64,
+ sequence: &str,
+ acknowledged_probe_sequences: &mut HashSet<(u64, String)>,
+) -> ControlledFixtureAckPublishOutcome
+where
+ F: Future<Output = Result<(), E>>,
+{
+ if publish.await.is_ok() {
+ record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
+ "ack_publish_completed",
+ call_id_hash,
+ trace_id_hash,
+ generation,
+ sequence,
+ observed,
+ Some(ack_result),
+ reject_reason,
+ );
+ acknowledged_probe_sequences.insert((generation, sequence.to_string()));
+ ControlledFixtureAckPublishOutcome {
+ observed,
+ published: true,
+ }
+ } else {
+ record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
+ "ack_publish_completed",
+ call_id_hash,
+ trace_id_hash,
+ generation,
+ sequence,
+ false,
+ Some("publish_failed"),
+ Some("ack_publish_failed"),
+ );
+ ControlledFixtureAckPublishOutcome {
+ observed: false,
+ published: false,
+ }
+ }
+}
+
+fn controlled_fixture_ack_from_probe(
+ probe: &PendingControlledFixtureProbe,
+ observed: bool,
+ reject_reason: Option<&'static str>,
+) -> ControlledFixtureAttributeAck {
+ ControlledFixtureAttributeAck {
+ message_type: CONTROLLED_FIXTURE_ACK_TOPIC,
+ protocol_version: CONTROLLED_FIXTURE_PROTOCOL_VERSION,
+ call_id_hash: probe.call_id_hash.clone(),
+ call_trace_id_hash: probe.call_trace_id_hash.clone(),
+ generation: probe.generation,
+ client_fixture_sequence: probe.sequence.clone(),
+ result: if observed { "observed" } else { "rejected" },
+ input_source_category: observed.then_some("controlled_fixture"),
+ reject_reason,
+ }
+}
+
+fn controlled_fixture_probe(
+ payload: &[u8],
+ call_id: &str,
+ trace_id: &str,
+ sender: &ParticipantIdentity,
+ expected_participant: Option<&str>,
+) -> Option<PendingControlledFixtureProbe> {
+ if !is_bound_user_participant(sender.as_str(), expected_participant) {
+ return None;
+ }
+ let probe: ControlledFixtureAttributeProbe = serde_json::from_slice(payload).ok()?;
+ if probe.message_type != CONTROLLED_FIXTURE_PROBE_TOPIC
+ || probe.protocol_version != CONTROLLED_FIXTURE_PROTOCOL_VERSION
+ || !valid_input_generation(probe.generation)
+ || probe.call_id_hash != sha256_hex(call_id)
+ || probe.call_trace_id_hash != sha256_hex(trace_id)
+ || probe.client_fixture_sequence.trim().is_empty()
+ {
+ return None;
+ }
+ let received_at = Instant::now();
+ Some(PendingControlledFixtureProbe {
+ sender: sender.clone(),
+ call_id_hash: probe.call_id_hash,
+ call_trace_id_hash: probe.call_trace_id_hash,
+ generation: probe.generation,
+ sequence: probe.client_fixture_sequence,
+ received_at,
+ expires_at: received_at + CONTROLLED_FIXTURE_PROBE_TTL,
+ })
+}
+
+fn controlled_fixture_probe_binding_decision(
+ probe_sender: &str,
+ current_audio_participant: Option<&str>,
+ expected_participant: Option<&str>,
+) -> Result<(), &'static str> {
+ if !is_bound_user_participant(probe_sender, expected_participant) {
+ return Err("wrong_participant");
+ }
+ let Some(current_audio_participant) = current_audio_participant else {
+ return Err("no_current_participant");
+ };
+ if current_audio_participant != probe_sender
+ || !is_bound_user_participant(current_audio_participant, expected_participant)
+ {
+ return Err("wrong_participant");
+ }
+ Ok(())
+}
+
+fn controlled_fixture_visibility_bucket(elapsed: Duration) -> &'static str {
+ if elapsed <= Duration::from_millis(250) {
+ "lte_250ms"
+ } else if elapsed <= Duration::from_millis(500) {
+ "250_500ms"
+ } else if elapsed <= Duration::from_millis(1_000) {
+ "500_1000ms"
+ } else {
+ "1000_2000ms"
+ }
+}
+
+async fn observe_controlled_fixture_post_expiry_views<F, G>(
+ received_at: Instant,
+ observation_deadline: Instant,
+ held_participant: &str,
+ expected_participant: Option<&str>,
+ requested_sequence: &str,
+ lifecycle_active: Arc<AtomicBool>,
+ mut read_held_attributes: F,
+ mut read_current_participant: G,
+) -> Option<ControlledFixtureVisibilityEvidence>
+where
+ F: FnMut() -> std::collections::HashMap<String, String>,
+ G: FnMut() -> Option<(String, std::collections::HashMap<String, String>)>,
+{
+ loop {
+ if !lifecycle_active.load(Ordering::Acquire) {
+ return None;
+ }
+ let now = Instant::now();
+ let held_decision = classify_controlled_fixture_attributes(
+ held_participant,
+ expected_participant,
+ &read_held_attributes(),
+ requested_sequence,
+ );
+ match held_decision {
+ Ok(()) => {
+ return Some(ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: controlled_fixture_visibility_bucket(
+ now.saturating_duration_since(received_at),
+ ),
+ visibility_source: "participant_attributes_poll",
+ visibility_result: "held_visible",
+ binding_matched: true,
+ });
+ }
+ Err("missing_attributes") => {}
+ Err(_) => return None,
+ }
+ let Some((current_identity, current_attributes)) = read_current_participant() else {
+ return None;
+ };
+ match classify_controlled_fixture_attributes(
+ ¤t_identity,
+ expected_participant,
+ ¤t_attributes,
+ requested_sequence,
+ ) {
+ Ok(()) => {
+ return Some(ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: controlled_fixture_visibility_bucket(
+ now.saturating_duration_since(received_at),
+ ),
+ visibility_source: "current_room_lookup",
+ visibility_result: "held_stale_current_visible",
+ binding_matched: true,
+ });
+ }
+ Err("missing_attributes") => {}
+ Err(_) => return None,
+ }
+ if now >= observation_deadline {
+ return Some(ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: "never_visible_within_observation_window",
+ visibility_source: "held_and_current_room_lookup",
+ visibility_result: "unavailable_both",
+ binding_matched: true,
+ });
+ }
+ sleep(CONTROLLED_FIXTURE_PROBE_RECHECK_DELAY).await;
+ }
+}
+
+fn controlled_fixture_visibility_event(
+ runtime_call_id: &str,
+ runtime_trace_id: &str,
+ probe: &PendingControlledFixtureProbe,
+ evidence: &ControlledFixtureVisibilityEvidence,
+) -> serde_json::Value {
+ json!({
+ "type": "cv_activity",
+ "callId": runtime_call_id,
+ "traceId": runtime_trace_id,
+ "turnId": null,
+ "eventName": "controlled_fixture_attribute_probe",
+ "eventWallTimeMs": current_time_millis(),
+ "result": "ok",
+ "reasonCode": null,
+ "retryable": null,
+ "extension": {
+ "stage": "post_expiry_visibility",
+ "first_visible_bucket": evidence.first_visible_bucket,
+ "visibility_source": evidence.visibility_source,
+ "visibility_result": evidence.visibility_result,
+ "binding_matched": evidence.binding_matched,
+ "call_id_hash": probe.call_id_hash,
+ "trace_id_hash": probe.call_trace_id_hash,
+ "generation": probe.generation,
+ "sequence_hash": sha256_hex(&probe.sequence),
+ "evidence_count": 1,
+ },
+ })
+}
+
+fn spawn_controlled_fixture_post_expiry_observation(
+ probe: PendingControlledFixtureProbe,
+ participant: RemoteParticipant,
+ room: Arc<Room>,
+ expected_participant: Option<String>,
+ lifecycle_active: Arc<AtomicBool>,
+ runtime_call_id: String,
+ runtime_trace_id: String,
+) {
+ tokio::spawn(async move {
+ let participant_identity = participant.identity().to_string();
+ let evidence = observe_controlled_fixture_post_expiry_views(
+ probe.received_at,
+ probe.received_at + CONTROLLED_FIXTURE_POST_EXPIRY_WINDOW,
+ &participant_identity,
+ expected_participant.as_deref(),
+ &probe.sequence,
+ lifecycle_active.clone(),
+ || participant.attributes(),
+ || {
+ room.remote_participants()
+ .get(&probe.sender)
+ .map(|current| (current.identity().to_string(), current.attributes()))
+ },
+ )
+ .await;
+ if lifecycle_active.load(Ordering::Acquire) {
+ if let Some(evidence) = evidence {
+ println!(
+ "{}",
+ controlled_fixture_visibility_event(
+ &runtime_call_id,
+ &runtime_trace_id,
+ &probe,
+ &evidence,
+ )
+ );
+ }
+ }
+ });
+}
+
+fn classify_controlled_fixture_attributes(
+ actual_participant: &str,
+ expected_participant: Option<&str>,
+ attributes: &std::collections::HashMap<String, String>,
+ requested_sequence: &str,
+) -> Result<(), &'static str> {
+ if !is_bound_user_participant(actual_participant, expected_participant) {
+ return Err("wrong_participant");
+ }
+ let source = attributes
+ .get("inputSourceCategory")
+ .map(String::as_str)
+ .unwrap_or("");
+ if source != "controlled_fixture" {
+ return Err(if source.is_empty() {
+ "missing_attributes"
+ } else {
+ "wrong_source"
+ });
+ }
+ let sequence = attributes
+ .get("clientFixtureSequence")
+ .map(String::as_str)
+ .unwrap_or("");
+ if sequence.trim().is_empty() {
+ return Err("missing_sequence");
+ }
+ if sequence != requested_sequence {
+ return Err("wrong_sequence");
+ }
+ Ok(())
+}
+
+fn controlled_fixture_probe_attribute_decision(
+ actual_participant: &str,
+ expected_participant: Option<&str>,
+ attributes: &std::collections::HashMap<String, String>,
+ probe: &PendingControlledFixtureProbe,
+) -> Result<(), &'static str> {
+ if !is_bound_user_participant(actual_participant, expected_participant) {
+ return Err("wrong_participant");
+ }
+ let metadata = match AudioIngressMetadata::from_participant(attributes) {
+ Ok(Some(metadata)) => metadata,
+ Ok(None) => return Err("missing_attributes"),
+ Err(reason) => return Err(reason),
+ };
+ if metadata.client_fixture_sequence != probe.sequence {
+ return Err("wrong_sequence");
+ }
+ if metadata.input_generation != probe.generation {
+ return Err("wrong_generation");
+ }
+ Ok(())
+}
+
+async fn observe_controlled_fixture_probe_attributes<F>(
+ expires_at: Instant,
+ actual_participant: &str,
+ expected_participant: Option<&str>,
+ probe: &PendingControlledFixtureProbe,
+ mut read_attributes: F,
+) -> Result<(), &'static str>
+where
+ F: FnMut() -> std::collections::HashMap<String, String>,
+{
+ loop {
+ if Instant::now() > expires_at {
+ return Err("timeout");
+ }
+ match controlled_fixture_probe_attribute_decision(
+ actual_participant,
+ expected_participant,
+ &read_attributes(),
+ probe,
+ ) {
+ Ok(()) => return Ok(()),
+ Err("missing_attributes") | Err("missing_generation") => {
+ sleep(CONTROLLED_FIXTURE_PROBE_RECHECK_DELAY).await;
+ }
+ Err(reason) => return Err(reason),
+ }
+ }
+}
+
+async fn observe_controlled_fixture_attributes<F>(
+ expires_at: Instant,
+ actual_participant: &str,
+ expected_participant: Option<&str>,
+ requested_sequence: &str,
+ mut read_attributes: F,
+) -> Result<(), &'static str>
+where
+ F: FnMut() -> std::collections::HashMap<String, String>,
+{
+ loop {
+ if Instant::now() > expires_at {
+ return Err("timeout");
+ }
+ let decision = classify_controlled_fixture_attributes(
+ actual_participant,
+ expected_participant,
+ &read_attributes(),
+ requested_sequence,
+ );
+ if decision.is_ok() || !matches!(decision, Err("missing_attributes")) {
+ return decision;
+ }
+ let Some(next_check) = Instant::now().checked_add(CONTROLLED_FIXTURE_PROBE_RECHECK_DELAY)
+ else {
+ return Err("timeout");
+ };
+ if next_check > expires_at {
+ return Err("timeout");
+ }
+ sleep(CONTROLLED_FIXTURE_PROBE_RECHECK_DELAY).await;
+ }
+}
+
+fn controlled_fixture_observer_gate(pending_probe: bool, probe_result: Option<bool>) -> bool {
+ !pending_probe || probe_result == Some(true)
+}
+
+fn start_observer_after_controlled_fixture_probe<F>(
+ pending_probe: bool,
+ probe_result: Option<bool>,
+ spawn: F,
+) -> bool
+where
+ F: FnOnce(),
+{
+ if !controlled_fixture_observer_gate(pending_probe, probe_result) {
+ return false;
+ }
+ spawn();
+ true
+}
#[tokio::main(flavor = "multi_thread")]
async fn main() -> Result<()> {
@@ -737,6 +1355,14 @@
})
}
+fn is_bound_user_participant(identity: &str, expected: Option<&str>) -> bool {
+ expected.is_none_or(|value| identity == value)
+}
+
+fn valid_input_generation(generation: u64) -> bool {
+ generation > 0
+}
+
async fn observe_user_audio_events(
mut events: UnboundedReceiver<RoomEvent>,
call_id: String,
@@ -764,6 +1390,11 @@
"runtime helper user_track_subscribe_requested"
);
+ let mut current_user_participant: Option<RemoteParticipant> = None;
+ let mut pending_probe: Option<PendingControlledFixtureProbe> = None;
+ let mut acknowledged_probe_sequences = HashSet::new();
+ let controlled_fixture_lifecycle_active = Arc::new(AtomicBool::new(true));
+
while let Some(event) = events.recv().await {
match event {
RoomEvent::TrackSubscribed {
@@ -771,10 +1402,10 @@
publication: _,
participant,
} => {
- if user_participant_identity
- .as_deref()
- .is_some_and(|expected| participant.identity().to_string() != expected)
- {
+ if !is_bound_user_participant(
+ &participant.identity().to_string(),
+ user_participant_identity.as_deref(),
+ ) {
warn!(call_id = %call_id, trace_id = %trace_id,
metadata_status = "wrong_participant",
"runtime helper ignored non-user audio participant");
@@ -793,20 +1424,144 @@
track_source = %track_source,
"runtime helper user_track_subscribed"
);
- spawn_user_audio_frame_observer(
- track,
- call_id.clone(),
- trace_id.clone(),
- participant_alias,
- track_sid_alias,
- simple_vad_enabled,
- simple_vad_config.clone(),
- vad_enabled_gate.clone(),
- turn_bridge_config.clone(),
- http.clone(),
- sink.clone(),
- participant,
+ let pending_binding = pending_probe.clone();
+ let participant_for_probe = participant.clone();
+ let probe_result = process_controlled_fixture_probe(
+ &mut pending_probe,
+ &mut acknowledged_probe_sequences,
+ Some(&participant_for_probe),
+ &sink,
+ user_participant_identity.as_deref(),
+ &call_id,
+ &trace_id,
+ controlled_fixture_lifecycle_active.clone(),
+ )
+ .await;
+ let observer_started = start_observer_after_controlled_fixture_probe(
+ pending_binding.is_some(),
+ probe_result,
+ || {
+ spawn_user_audio_frame_observer(
+ track,
+ call_id.clone(),
+ trace_id.clone(),
+ participant_alias,
+ track_sid_alias,
+ simple_vad_enabled,
+ simple_vad_config.clone(),
+ vad_enabled_gate.clone(),
+ turn_bridge_config.clone(),
+ http.clone(),
+ sink.clone(),
+ user_participant_identity.clone(),
+ participant,
+ );
+ },
);
+ if let Some(probe) = pending_binding.as_ref() {
+ let (ack_result, reject_reason, observed) = match probe_result {
+ Some(true) => (Some("observed"), None, true),
+ Some(false) => (Some("rejected"), Some("unknown"), false),
+ None => (None, Some("no_current_participant"), false),
+ };
+ record_controlled_fixture_probe_event(
+ &call_id,
+ &trace_id,
+ if observer_started {
+ "audio_observer_allowed"
+ } else {
+ "audio_observer_blocked"
+ },
+ &probe.call_id_hash,
+ &probe.call_trace_id_hash,
+ probe.generation,
+ &probe.sequence,
+ observed,
+ ack_result,
+ reject_reason,
+ );
+ }
+ if !observer_started {
+ warn!(
+ call_id = %call_id,
+ trace_id = %trace_id,
+ "runtime helper withheld audio observer until controlled fixture ACK"
+ );
+ continue;
+ }
+ current_user_participant = Some(participant_for_probe);
+ }
+ RoomEvent::TrackUnsubscribed {
+ track: RemoteTrack::Audio(_),
+ publication: _,
+ participant,
+ } => {
+ if current_user_participant
+ .as_ref()
+ .is_some_and(|current| current.identity() == participant.identity())
+ {
+ current_user_participant = None;
+ }
+ }
+ RoomEvent::DataReceived {
+ payload,
+ topic: Some(topic),
+ participant: Some(sender),
+ ..
+ } if topic == CONTROLLED_FIXTURE_PROBE_TOPIC => {
+ if let Ok(probe) =
+ serde_json::from_slice::<ControlledFixtureAttributeProbe>(&payload)
+ {
+ if acknowledged_probe_sequences
+ .contains(&(probe.generation, probe.client_fixture_sequence.clone()))
+ {
+ record_controlled_fixture_probe_event(
+ &call_id,
+ &trace_id,
+ "data_received",
+ &probe.call_id_hash,
+ &probe.call_trace_id_hash,
+ probe.generation,
+ &probe.client_fixture_sequence,
+ false,
+ Some("rejected"),
+ Some("duplicate_or_old_sequence"),
+ );
+ continue;
+ }
+ }
+ pending_probe = controlled_fixture_probe(
+ &payload,
+ &call_id,
+ &trace_id,
+ &sender.identity(),
+ user_participant_identity.as_deref(),
+ );
+ if let Some(probe) = pending_probe.as_ref() {
+ record_controlled_fixture_probe_event(
+ &call_id,
+ &trace_id,
+ "data_received",
+ &probe.call_id_hash,
+ &probe.call_trace_id_hash,
+ probe.generation,
+ &probe.sequence,
+ false,
+ None,
+ None,
+ );
+ }
+ process_controlled_fixture_probe(
+ &mut pending_probe,
+ &mut acknowledged_probe_sequences,
+ current_user_participant.as_ref(),
+ &sink,
+ user_participant_identity.as_deref(),
+ &call_id,
+ &trace_id,
+ controlled_fixture_lifecycle_active.clone(),
+ )
+ .await;
}
RoomEvent::TrackSubscribed {
track: RemoteTrack::Video(track),
@@ -847,6 +1602,162 @@
_ => {}
}
}
+ controlled_fixture_lifecycle_active.store(false, Ordering::Release);
+}
+
+async fn process_controlled_fixture_probe(
+ pending_probe: &mut Option<PendingControlledFixtureProbe>,
+ acknowledged_probe_sequences: &mut HashSet<(u64, String)>,
+ participant: Option<&RemoteParticipant>,
+ sink: &BotAudioOutputSink,
+ expected_participant: Option<&str>,
+ runtime_call_id: &str,
+ runtime_trace_id: &str,
+ lifecycle_active: Arc<AtomicBool>,
+) -> Option<bool> {
+ let Some(probe) = pending_probe.take() else {
+ return None;
+ };
+ if acknowledged_probe_sequences.contains(&(probe.generation, probe.sequence.clone())) {
+ record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
+ "attributes_classified",
+ &probe.call_id_hash,
+ &probe.call_trace_id_hash,
+ probe.generation,
+ &probe.sequence,
+ false,
+ Some("rejected"),
+ Some("duplicate_or_old_sequence"),
+ );
+ return Some(false);
+ }
+ if Instant::now() > probe.expires_at {
+ record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
+ "attributes_classified",
+ &probe.call_id_hash,
+ &probe.call_trace_id_hash,
+ probe.generation,
+ &probe.sequence,
+ false,
+ Some("timeout"),
+ Some("expired"),
+ );
+ return Some(false);
+ }
+ let Some(participant) = participant else {
+ record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
+ "attributes_classified",
+ &probe.call_id_hash,
+ &probe.call_trace_id_hash,
+ probe.generation,
+ &probe.sequence,
+ false,
+ None,
+ Some("no_current_participant"),
+ );
+ *pending_probe = Some(probe);
+ return None;
+ };
+ if participant.identity() != probe.sender {
+ record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
+ "attributes_classified",
+ &probe.call_id_hash,
+ &probe.call_trace_id_hash,
+ probe.generation,
+ &probe.sequence,
+ false,
+ Some("rejected"),
+ Some("wrong_participant"),
+ );
+ return Some(false);
+ }
+ let decision = observe_controlled_fixture_probe_attributes(
+ probe.expires_at,
+ participant.identity().as_str(),
+ expected_participant,
+ &probe,
+ || participant.attributes(),
+ )
+ .await;
+ if let Err(reason) = decision {
+ record_controlled_fixture_attribute_decision(
+ Err(reason),
+ runtime_call_id,
+ runtime_trace_id,
+ &probe.call_id_hash,
+ &probe.call_trace_id_hash,
+ probe.generation,
+ &probe.sequence,
+ );
+ return Some(false);
+ }
+ let (ack_result, reject_reason, observed) = record_controlled_fixture_attribute_decision(
+ Ok(()),
+ runtime_call_id,
+ runtime_trace_id,
+ &probe.call_id_hash,
+ &probe.call_trace_id_hash,
+ probe.generation,
+ &probe.sequence,
+ );
+ let ack = controlled_fixture_ack_from_probe(&probe, observed, reject_reason);
+ let payload = match serde_json::to_vec(&ack) {
+ Ok(payload) => payload,
+ Err(_) => return Some(false),
+ };
+ let local_participant = sink.room.local_participant();
+ record_controlled_fixture_probe_event(
+ runtime_call_id,
+ runtime_trace_id,
+ "ack_publish_started",
+ &probe.call_id_hash,
+ &probe.call_trace_id_hash,
+ probe.generation,
+ &probe.sequence,
+ observed,
+ Some(ack_result),
+ reject_reason,
+ );
+ let publish = local_participant.publish_data(DataPacket {
+ payload,
+ topic: Some(CONTROLLED_FIXTURE_ACK_TOPIC.to_string()),
+ reliable: true,
+ destination_identities: vec![probe.sender.clone()],
+ });
+ let outcome = complete_controlled_fixture_ack_publish(
+ publish,
+ runtime_call_id,
+ runtime_trace_id,
+ observed,
+ ack_result,
+ reject_reason,
+ &probe.call_id_hash,
+ &probe.call_trace_id_hash,
+ probe.generation,
+ &probe.sequence,
+ acknowledged_probe_sequences,
+ )
+ .await;
+ if outcome.published && ack_result == "timeout" && reject_reason == Some("expired") {
+ spawn_controlled_fixture_post_expiry_observation(
+ probe,
+ participant.clone(),
+ sink.room.clone(),
+ expected_participant.map(str::to_string),
+ lifecycle_active,
+ runtime_call_id.to_string(),
+ runtime_trace_id.to_string(),
+ );
+ }
+ Some(outcome.observed)
}
async fn handle_finished_turn(
@@ -2917,6 +3828,7 @@
turn_bridge_config: TurnBridgeConfig,
http: Client,
sink: Arc<BotAudioOutputSink>,
+ expected_participant_identity: Option<String>,
participant: RemoteParticipant,
) -> JoinHandle<()> {
tokio::spawn(async move {
@@ -2996,6 +3908,8 @@
None
};
let mut realtime_asr_upload: Option<RealtimeAsrUpload> = None;
+ let mut last_fixture_sequence: Option<String> = None;
+ let mut last_fixture_generation: Option<u64> = None;
while let Some(drained) = frame_rx.recv().await {
let frame = drained.frame;
@@ -3029,8 +3943,11 @@
if let Some(vad) = simple_vad.as_mut() {
if vad_enabled_gate.load(Ordering::Acquire) {
- let was_in_speech = vad.in_speech;
- let turn = vad.observe_frame(
+ let participant_identity = participant.identity().to_string();
+ let (was_in_speech, is_in_speech, turn) = observe_bound_participant_frame(
+ &participant_identity,
+ expected_participant_identity.as_deref(),
+ vad,
&call_id,
&trace_id,
&participant_alias,
@@ -3038,52 +3955,16 @@
frame_count,
elapsed_ms,
&frame,
+ http.clone(),
+ turn_bridge_config.realtime_asr_config(),
+ || participant.attributes(),
+ &mut realtime_asr_upload,
+ &mut last_fixture_sequence,
+ &mut last_fixture_generation,
+ turn_bridge_config.asr_realtime_enabled,
);
- let is_in_speech = vad.in_speech;
- if !was_in_speech && is_in_speech {
- let turn_id = format!("turn-{:04}", vad.turn_index);
- let ingress_metadata = match AudioIngressMetadata::from_participant(
- &participant.attributes(),
- ) {
- Ok(value) => value,
- Err(reason) => {
- warn!(call_id = %call_id, trace_id = %trace_id,
- turn_id = %turn_id, metadata_status = "invalid", reason = reason,
- "runtime helper ignored invalid audio ingress metadata");
- None
- }
- };
- match RealtimeAsrUpload::start(
- http.clone(),
- turn_bridge_config.realtime_asr_config(),
- &call_id,
- &trace_id,
- &turn_id,
- &vad.speech_samples,
- ingress_metadata.as_ref(),
- ) {
- Ok(upload) => {
- info!(
- call_id = %call_id,
- trace_id = %trace_id,
- turn_id = %turn_id,
- "runtime helper asr_realtime_session_started"
- );
- realtime_asr_upload = Some(upload);
- }
- Err(error) if turn_bridge_config.asr_realtime_enabled => {
- warn!(
- call_id = %call_id,
- trace_id = %trace_id,
- turn_id = %turn_id,
- error = %safe_error(&error.to_string()),
- "runtime helper asr_realtime_start_failed_fallback"
- );
- }
- Err(_) => {}
- }
- } else if was_in_speech {
+ if was_in_speech {
let push_failed = realtime_asr_upload
.as_mut()
.and_then(|upload| upload.push_48k_samples(frame.data.as_ref()).err());
@@ -3200,6 +4081,201 @@
"runtime helper user_audio_stream_ended"
);
})
+}
+
+fn observe_frame_and_start_session<F>(
+ vad: &mut SimpleVad,
+ call_id: &str,
+ trace_id: &str,
+ participant_alias: &str,
+ track_sid_alias: &str,
+ frame_count: u64,
+ elapsed_ms: u64,
+ frame: &AudioFrame<'_>,
+ http: Client,
+ config: RealtimeAsrConfig,
+ read_attributes: F,
+ upload_slot: &mut Option<RealtimeAsrUpload>,
+ last_fixture_sequence: &mut Option<String>,
+ last_fixture_generation: &mut Option<u64>,
+ realtime_enabled: bool,
+) -> (bool, bool, Option<FinishedSpeechTurn>)
+where
+ F: FnOnce() -> std::collections::HashMap<String, String>,
+{
+ let was_in_speech = vad.in_speech;
+ let turn = vad.observe_frame(
+ call_id,
+ trace_id,
+ participant_alias,
+ track_sid_alias,
+ frame_count,
+ elapsed_ms,
+ frame,
+ );
+ let is_in_speech = vad.in_speech;
+ if !was_in_speech && is_in_speech {
+ start_realtime_session_for_new_speech(
+ http,
+ config,
+ call_id,
+ trace_id,
+ vad,
+ read_attributes,
+ upload_slot,
+ last_fixture_sequence,
+ last_fixture_generation,
+ realtime_enabled,
+ );
+ }
+ (was_in_speech, is_in_speech, turn)
+}
+
+fn observe_bound_participant_frame<F>(
+ participant_identity: &str,
+ expected_participant: Option<&str>,
+ vad: &mut SimpleVad,
+ call_id: &str,
+ trace_id: &str,
+ participant_alias: &str,
+ track_sid_alias: &str,
+ frame_count: u64,
+ elapsed_ms: u64,
+ frame: &AudioFrame<'_>,
+ http: Client,
+ config: RealtimeAsrConfig,
+ read_attributes: F,
+ upload_slot: &mut Option<RealtimeAsrUpload>,
+ last_fixture_sequence: &mut Option<String>,
+ last_fixture_generation: &mut Option<u64>,
+ realtime_enabled: bool,
+) -> (bool, bool, Option<FinishedSpeechTurn>)
+where
+ F: FnOnce() -> std::collections::HashMap<String, String>,
+{
+ if !is_bound_user_participant(participant_identity, expected_participant) {
+ warn!(
+ "audioIngressOriginStatus" = "wrong_participant_or_track",
+ "runtime helper rejected audio participant before VAD/session"
+ );
+ return (vad.in_speech, vad.in_speech, None);
+ }
+ observe_frame_and_start_session(
+ vad,
+ call_id,
+ trace_id,
+ participant_alias,
+ track_sid_alias,
+ frame_count,
+ elapsed_ms,
+ frame,
+ http,
+ config,
+ read_attributes,
+ upload_slot,
+ last_fixture_sequence,
+ last_fixture_generation,
+ realtime_enabled,
+ )
+}
+
+fn start_realtime_session_for_new_speech(
+ http: Client,
+ config: RealtimeAsrConfig,
+ call_id: &str,
+ trace_id: &str,
+ vad: &SimpleVad,
+ read_attributes: impl FnOnce() -> std::collections::HashMap<String, String>,
+ upload_slot: &mut Option<RealtimeAsrUpload>,
+ last_fixture_sequence: &mut Option<String>,
+ last_fixture_generation: &mut Option<u64>,
+ realtime_enabled: bool,
+) {
+ let turn_id = format!("turn-{:04}", vad.turn_index);
+ let attributes = read_attributes();
+ let origin_status = AudioIngressMetadata::origin_status(&attributes);
+ let metadata = match AudioIngressMetadata::from_participant(&attributes) {
+ Ok(metadata) => metadata,
+ Err(reason) => {
+ warn!(call_id = %call_id, trace_id = %trace_id, turn_id = %turn_id,
+ reason, audioIngressOriginStatus = %AudioIngressMetadata::rejected_origin_status(
+ reason, &attributes
+ ),
+ "runtime helper asr_realtime_metadata_rejected");
+ return;
+ }
+ };
+ if let Some(metadata) = metadata.as_ref() {
+ if !fixture_binding_is_new(
+ last_fixture_sequence.as_deref(),
+ *last_fixture_generation,
+ &metadata.client_fixture_sequence,
+ metadata.input_generation,
+ ) {
+ warn!(call_id = %call_id, trace_id = %trace_id, turn_id = %turn_id,
+ audioIngressOriginStatus = "sequence_replayed_or_regressed",
+ "runtime helper asr_realtime_metadata_sequence_rejected");
+ return;
+ }
+ }
+ match RealtimeAsrUpload::start(
+ http,
+ config,
+ call_id,
+ trace_id,
+ &turn_id,
+ &vad.speech_samples,
+ metadata.as_ref(),
+ ) {
+ Ok(upload) => {
+ if let Some(metadata) = metadata {
+ *last_fixture_sequence = Some(metadata.client_fixture_sequence);
+ *last_fixture_generation = Some(metadata.input_generation);
+ }
+ info!(call_id = %call_id, trace_id = %trace_id, turn_id = %turn_id,
+ origin_status, "runtime helper asr_realtime_session_started");
+ *upload_slot = Some(upload);
+ }
+ Err(error) if realtime_enabled => {
+ warn!(call_id = %call_id, trace_id = %trace_id, turn_id = %turn_id,
+ error = %safe_error(&error.to_string()),
+ "runtime helper asr_realtime_start_failed_fallback");
+ }
+ Err(_) => {}
+ }
+}
+
+fn fixture_sequence_is_new(previous: Option<&str>, current: &str) -> bool {
+ let Some(previous) = previous else {
+ return true;
+ };
+ let current_number = current
+ .rsplit_once('-')
+ .and_then(|(_, value)| value.parse::<u64>().ok());
+ let previous_number = previous
+ .rsplit_once('-')
+ .and_then(|(_, value)| value.parse::<u64>().ok());
+ match (previous_number, current_number) {
+ (Some(previous), Some(current)) => current > previous,
+ _ => previous != current,
+ }
+}
+
+fn fixture_binding_is_new(
+ previous_sequence: Option<&str>,
+ previous_generation: Option<u64>,
+ current_sequence: &str,
+ current_generation: u64,
+) -> bool {
+ if !valid_input_generation(current_generation) {
+ return false;
+ }
+ match previous_generation {
+ Some(previous) if current_generation < previous => false,
+ Some(previous) if current_generation > previous => true,
+ Some(_) => fixture_sequence_is_new(previous_sequence, current_sequence),
+ None => true,
+ }
}
struct DrainedUserAudioFrame {
@@ -3954,12 +5030,522 @@
#[cfg(test)]
mod tests {
- use super::{
- ReplyChunkMarker, ReplyChunkMarkerState, RuntimeTurnDeviceOutput, RuntimeTurnStreamEvent,
- RuntimeTurnStreamState, RuntimeTurnStreamTimingPhase, runtime_session_nonce_hash,
- should_publish_device_output,
+ use super::*;
+ use std::{
+ collections::{HashMap, HashSet},
+ io::{Read, Write},
+ net::TcpListener,
+ sync::{
+ Arc,
+ atomic::{AtomicUsize, Ordering},
+ mpsc,
+ },
+ thread,
+ time::Duration,
};
- use std::collections::HashSet;
+
+ #[derive(Debug)]
+ enum PreAudioOrderEvent {
+ DataReceived { sender: String, sequence: String },
+ TrackSubscribed { participant: String },
+ }
+
+ fn drive_pre_audio_order_test_seam(events: &[PreAudioOrderEvent]) -> Vec<&'static str> {
+ let call_id = "production-order-call";
+ let trace_id = "production-order-trace";
+ let mut pending_probe = None;
+ let mut effects = Vec::new();
+ for event in events {
+ match event {
+ PreAudioOrderEvent::DataReceived { sender, sequence } => {
+ let payload = serde_json::to_vec(&json!({
+ "type": CONTROLLED_FIXTURE_PROBE_TOPIC,
+ "protocolVersion": CONTROLLED_FIXTURE_PROTOCOL_VERSION,
+ "callIdHash": sha256_hex(call_id),
+ "callTraceIdHash": sha256_hex(trace_id),
+ "generation": CONTROLLED_FIXTURE_GENERATION,
+ "clientFixtureSequence": sequence,
+ }))
+ .expect("production probe payload");
+ pending_probe = controlled_fixture_probe(
+ &payload,
+ call_id,
+ trace_id,
+ &ParticipantIdentity(sender.clone()),
+ Some("user-1"),
+ );
+ }
+ PreAudioOrderEvent::TrackSubscribed { participant } => {
+ let pending = pending_probe.is_some();
+ let probe_result = pending_probe.as_ref().map(|probe| {
+ controlled_fixture_probe_binding_decision(
+ probe.sender.as_str(),
+ Some(participant),
+ Some("user-1"),
+ )
+ .is_ok()
+ });
+ let mut ack_observed = false;
+ let mut observer_started = false;
+ start_observer_after_controlled_fixture_probe(pending, probe_result, || {
+ if pending && probe_result == Some(true) {
+ ack_observed = true;
+ }
+ observer_started = true;
+ });
+ if ack_observed {
+ effects.push("ack_observed");
+ }
+ if observer_started {
+ effects.push("observer_started");
+ }
+ pending_probe = None;
+ }
+ }
+ }
+ effects
+ }
+
+ #[test]
+ fn production_vad_session_boundary_reads_updated_attributes() {
+ let config = SimpleVadConfig {
+ rms_threshold: 0.001,
+ peak_threshold: 0.01,
+ start_frames: 2,
+ end_silence_ms: 100,
+ min_speech_ms: 1,
+ max_turn_ms: 1_000,
+ initial_ignore_ms: 0,
+ };
+ let mut vad = SimpleVad::new(config);
+ let samples = vec![1_000i16; 160];
+ let frame = AudioFrame {
+ data: samples.as_slice().into(),
+ sample_rate: 16_000,
+ num_channels: 1,
+ samples_per_channel: 160,
+ };
+ let mut attributes = std::collections::HashMap::from([
+ (
+ "inputSourceCategory".to_string(),
+ "controlled_fixture".to_string(),
+ ),
+ (
+ "clientFixtureSequence".to_string(),
+ "fixture-01".to_string(),
+ ),
+ ("inputGeneration".to_string(), "1".to_string()),
+ ("language".to_string(), "ja-JP".to_string()),
+ ]);
+ let mut starts = Vec::new();
+ for (session_index, sequence) in [(1, "fixture-01"), (2, "fixture-02")] {
+ let was_in_speech = vad.in_speech;
+ vad.observe_frame(
+ "call-001",
+ "trace-001",
+ "participant",
+ "track",
+ session_index * 2 - 1,
+ 1_000 * session_index,
+ &frame,
+ );
+ vad.observe_frame(
+ "call-001",
+ "trace-001",
+ "participant",
+ "track",
+ session_index * 2,
+ 1_000 * session_index + 10,
+ &frame,
+ );
+ let is_in_speech = vad.in_speech;
+ assert!(!was_in_speech && is_in_speech);
+ attributes.insert("clientFixtureSequence".to_string(), sequence.to_string());
+ attributes.insert("language".to_string(), "ja-JP".to_string());
+ let metadata = AudioIngressMetadata::from_participant(&attributes)
+ .expect("valid participant attributes")
+ .expect("controlled fixture metadata");
+ let session_line = asr_realtime::session_start_line(
+ "call-001",
+ "trace-001",
+ &format!("turn-{session_index:04}"),
+ "nonce-001",
+ Some(&metadata),
+ )
+ .expect("session start line");
+ let session_json: serde_json::Value =
+ serde_json::from_slice(&session_line).expect("session start json");
+ assert_eq!(sequence, session_json["clientFixtureSequence"]);
+ assert_eq!("ja-JP", session_json["language"]);
+ starts.push(metadata.client_fixture_sequence);
+ vad.reset_current_turn();
+ }
+ assert_eq!(vec!["fixture-01", "fixture-02"], starts);
+ attributes.insert("inputSourceCategory".to_string(), "other".to_string());
+ assert!(AudioIngressMetadata::from_participant(&attributes).is_err());
+ assert!(
+ AudioIngressMetadata::from_participant(&std::collections::HashMap::new())
+ .expect("missing attributes is absent")
+ .is_none()
+ );
+ attributes.insert(
+ "clientFixtureSequence".to_string(),
+ "fixture-01".to_string(),
+ );
+ assert!(AudioIngressMetadata::from_participant(&attributes).is_err());
+ }
+
+ #[test]
+ fn production_observer_rejects_wrong_participant_before_vad_session() {
+ assert!(!is_bound_user_participant(
+ "participant-other",
+ Some("participant-user")
+ ));
+ assert!(is_bound_user_participant(
+ "participant-user",
+ Some("participant-user")
+ ));
+ assert!(is_bound_user_participant("participant-any", None));
+ }
+
+ #[tokio::test]
+ async fn production_observer_vad_to_session_entry_reads_each_updated_attribute() {
+ let listener = TcpListener::bind("127.0.0.1:0").expect("bind local ASR fixture");
+ let address = listener.local_addr().expect("fixture address");
+ let (request_tx, request_rx) = mpsc::channel::<String>();
+ let captured_count = Arc::new(AtomicUsize::new(0));
+ let captured_count_for_server = Arc::clone(&captured_count);
+ let server = thread::spawn(move || {
+ for _ in 0..2 {
+ let (mut stream, _) = listener.accept().expect("accept ASR session");
+ stream
+ .set_read_timeout(Some(Duration::from_secs(2)))
+ .expect("set fixture timeout");
+ let mut bytes = Vec::new();
+ let mut buffer = [0_u8; 4096];
+ loop {
+ match stream.read(&mut buffer) {
+ Ok(0) => break,
+ Ok(size) => {
+ bytes.extend_from_slice(&buffer[..size]);
+ if bytes.windows(7).any(|window| window == b"0\r\n\r\n") {
+ break;
+ }
+ }
+ Err(_) => break,
+ }
+ }
+ request_tx
+ .send(String::from_utf8_lossy(&bytes).into_owned())
+ .expect("capture ASR request");
+ captured_count_for_server.fetch_add(1, Ordering::SeqCst);
+ stream
+ .write_all(b"HTTP/1.1 200 OK\r\ncontent-type: application/json\r\ncontent-length: 39\r\nconnection: close\r\n\r\n{\"code\":0,\"data\":{\"status\":\"ok\"}}")
+ .expect("write fixture response");
+ }
+ });
+ let mut vad = SimpleVad::new(SimpleVadConfig {
+ rms_threshold: 0.001,
+ peak_threshold: 0.01,
+ start_frames: 1,
+ end_silence_ms: 100,
+ min_speech_ms: 1,
+ max_turn_ms: 1_000,
+ initial_ignore_ms: 0,
+ });
+ let frame_data = vec![1_000i16; 160];
+ let frame = AudioFrame {
+ data: frame_data.as_slice().into(),
+ sample_rate: 16_000,
+ num_channels: 1,
+ samples_per_channel: 160,
+ };
+ let mut attrs = std::collections::HashMap::from([
+ (
+ "inputSourceCategory".to_string(),
+ "controlled_fixture".to_string(),
+ ),
+ (
+ "clientFixtureSequence".to_string(),
+ "fixture-01".to_string(),
+ ),
+ ("inputGeneration".to_string(), "1".to_string()),
+ ("language".to_string(), "ja-JP".to_string()),
+ ]);
+ let mut upload = None;
+ let mut last_fixture_sequence = None;
+ let mut last_fixture_generation = None;
+ let config = RealtimeAsrConfig {
+ enabled: true,
+ url: Some(format!("http://{address}/runtime/asr/realtime")),
+ runtime_token: Some("test".to_string()),
+ runtime_session_nonce: Some("test".to_string()),
+ chunk_duration_ms: 200,
+ };
+ let (was, is, turn) = observe_bound_participant_frame(
+ "participant-user",
+ Some("participant-user"),
+ &mut vad,
+ "call-001",
+ "trace-001",
+ "participant-user",
+ "track-001",
+ 1,
+ 1_000,
+ &frame,
+ Client::new(),
+ config.clone(),
+ || attrs.clone(),
+ &mut upload,
+ &mut last_fixture_sequence,
+ &mut last_fixture_generation,
+ true,
+ );
+ assert!(!was && is && turn.is_none());
+ assert!(upload.is_some());
+ upload.take().unwrap().cancel("test").await;
+ vad.reset_current_turn();
+ attrs.insert(
+ "clientFixtureSequence".to_string(),
+ "fixture-02".to_string(),
+ );
+ attrs.insert("inputGeneration".to_string(), "2".to_string());
+ attrs.insert("language".to_string(), "zh-CN".to_string());
+ let (was, is, turn) = observe_bound_participant_frame(
+ "participant-user",
+ Some("participant-user"),
+ &mut vad,
+ "call-001",
+ "trace-001",
+ "participant-user",
+ "track-001",
+ 2,
+ 2_000,
+ &frame,
+ Client::new(),
+ config.clone(),
+ || attrs.clone(),
+ &mut upload,
+ &mut last_fixture_sequence,
+ &mut last_fixture_generation,
+ true,
+ );
+ assert!(!was && is && turn.is_none());
+ assert!(upload.is_some());
+ upload.take().unwrap().cancel("test").await;
+
+ let first_request = request_rx
+ .recv_timeout(Duration::from_secs(2))
+ .expect("first session request");
+ let second_request = request_rx
+ .recv_timeout(Duration::from_secs(2))
+ .expect("second session request");
+ assert!(first_request.contains("\"clientFixtureSequence\":\"fixture-01\""));
+ assert!(second_request.contains("\"clientFixtureSequence\":\"fixture-02\""));
+ assert!(first_request.contains("\"callId\":\"call-001\""));
+ assert!(first_request.contains("\"traceId\":\"trace-001\""));
+ assert!(second_request.contains("\"callId\":\"call-001\""));
+ assert!(second_request.contains("\"traceId\":\"trace-001\""));
+ assert!(first_request.contains("\"inputSourceCategory\":\"controlled_fixture\""));
+ assert!(second_request.contains("\"inputSourceCategory\":\"controlled_fixture\""));
+ assert!(first_request.contains("\"inputGeneration\":1"));
+ assert!(second_request.contains("\"inputGeneration\":2"));
+ assert!(first_request.contains("\"language\":\"ja-JP\""));
+ assert!(second_request.contains("\"language\":\"zh-CN\""));
+ assert!(
+ first_request.contains("\"audioIngressOriginStatus\":\"controlled_fixture_bound\"")
+ );
+ assert!(
+ second_request.contains("\"audioIngressOriginStatus\":\"controlled_fixture_bound\"")
+ );
+ // The same production boundary rejects a wrong participant before VAD/session creation.
+ assert!(!is_bound_user_participant(
+ "participant-other",
+ Some("participant-user")
+ ));
+ assert_eq!(0, request_rx.try_iter().count());
+ vad.reset_current_turn();
+ attrs.insert(
+ "clientFixtureSequence".to_string(),
+ "fixture-03".to_string(),
+ );
+ attrs.insert("inputGeneration".to_string(), "1".to_string());
+ let (_, is_old_generation, old_generation_turn) = observe_bound_participant_frame(
+ "participant-user",
+ Some("participant-user"),
+ &mut vad,
+ "call-001",
+ "trace-001",
+ "participant-user",
+ "track-001",
+ 3,
+ 3_000,
+ &frame,
+ Client::new(),
+ config.clone(),
+ || attrs.clone(),
+ &mut upload,
+ &mut last_fixture_sequence,
+ &mut last_fixture_generation,
+ true,
+ );
+ assert!(is_old_generation && old_generation_turn.is_none() && upload.is_none());
+ vad.reset_current_turn();
+ attrs.insert(
+ "clientFixtureSequence".to_string(),
+ "fixture-04".to_string(),
+ );
+ let (_, is_wrong, wrong_turn) = observe_bound_participant_frame(
+ "participant-other",
+ Some("participant-user"),
+ &mut vad,
+ "call-001",
+ "trace-001",
+ "participant-user",
+ "track-001",
+ 3,
+ 3_000,
+ &frame,
+ Client::new(),
+ RealtimeAsrConfig {
+ enabled: true,
+ url: Some(format!("http://{address}/runtime/asr/realtime")),
+ runtime_token: Some("test".to_string()),
+ runtime_session_nonce: Some("test".to_string()),
+ chunk_duration_ms: 200,
+ },
+ || attrs.clone(),
+ &mut upload,
+ &mut last_fixture_sequence,
+ &mut last_fixture_generation,
+ true,
+ );
+ assert!(!is_wrong && wrong_turn.is_none() && upload.is_none());
+ vad.reset_current_turn();
+ attrs.insert(
+ "clientFixtureSequence".to_string(),
+ "fixture-01".to_string(),
+ );
+ let (_, _, _) = observe_bound_participant_frame(
+ "participant-user",
+ Some("participant-user"),
+ &mut vad,
+ "call-001",
+ "trace-001",
+ "participant-user",
+ "track-001",
+ 4,
+ 4_000,
+ &frame,
+ Client::new(),
+ RealtimeAsrConfig {
+ enabled: true,
+ url: Some(format!("http://{address}/runtime/asr/realtime")),
+ runtime_token: Some("test".to_string()),
+ runtime_session_nonce: Some("test".to_string()),
+ chunk_duration_ms: 200,
+ },
+ || attrs.clone(),
+ &mut upload,
+ &mut last_fixture_sequence,
+ &mut last_fixture_generation,
+ true,
+ );
+ assert!(upload.is_none());
+ vad.reset_current_turn();
+ let (_, _, _) = observe_bound_participant_frame(
+ "participant-user",
+ Some("participant-user"),
+ &mut vad,
+ "call-001",
+ "trace-001",
+ "participant-user",
+ "track-001",
+ 5,
+ 5_000,
+ &frame,
+ Client::new(),
+ RealtimeAsrConfig {
+ enabled: true,
+ url: Some(format!("http://{address}/runtime/asr/realtime")),
+ runtime_token: Some("test".to_string()),
+ runtime_session_nonce: Some("test".to_string()),
+ chunk_duration_ms: 200,
+ },
+ || attrs.clone(),
+ &mut upload,
+ &mut last_fixture_sequence,
+ &mut last_fixture_generation,
+ true,
+ );
+ assert!(upload.is_none());
+ vad.reset_current_turn();
+ attrs.remove("clientFixtureSequence");
+ let (_, _, missing_sequence_turn) = observe_bound_participant_frame(
+ "participant-user",
+ Some("participant-user"),
+ &mut vad,
+ "call-001",
+ "trace-001",
+ "participant-user",
+ "track-001",
+ 6,
+ 6_000,
+ &frame,
+ Client::new(),
+ RealtimeAsrConfig {
+ enabled: true,
+ url: Some(format!("http://{address}/runtime/asr/realtime")),
+ runtime_token: Some("test".to_string()),
+ runtime_session_nonce: Some("test".to_string()),
+ chunk_duration_ms: 200,
+ },
+ || attrs.clone(),
+ &mut upload,
+ &mut last_fixture_sequence,
+ &mut last_fixture_generation,
+ true,
+ );
+ assert!(missing_sequence_turn.is_none() && upload.is_none());
+ assert_eq!(
+ "sequence_absent",
+ AudioIngressMetadata::rejected_origin_status("incomplete_metadata", &attrs)
+ );
+ assert_eq!(2, captured_count.load(Ordering::SeqCst));
+ vad.reset_current_turn();
+ attrs.insert("inputSourceCategory".to_string(), "other".to_string());
+ let mut invalid_upload = None;
+ let (_, _, invalid_turn) = observe_bound_participant_frame(
+ "participant-user",
+ Some("participant-user"),
+ &mut vad,
+ "call-001",
+ "trace-001",
+ "participant-other",
+ "track-001",
+ 3,
+ 3_000,
+ &frame,
+ Client::new(),
+ RealtimeAsrConfig {
+ enabled: true,
+ url: Some("http://127.0.0.1:9".to_string()),
+ runtime_token: Some("test".to_string()),
+ runtime_session_nonce: Some("test".to_string()),
+ chunk_duration_ms: 200,
+ },
+ || attrs,
+ &mut invalid_upload,
+ &mut last_fixture_sequence,
+ &mut last_fixture_generation,
+ true,
+ );
+ assert!(invalid_turn.is_none());
+ assert!(invalid_upload.is_none());
+ assert_eq!(2, captured_count.load(Ordering::SeqCst));
+ assert_eq!(0, request_rx.try_iter().count());
+ server.join().expect("fixture server");
+ }
#[test]
fn reply_chunk_marker_state_emits_turn_first_once_and_later_segment_first_once() {
@@ -4089,4 +5675,782 @@
assert!(published.is_empty());
}
}
+
+ #[test]
+ fn controlled_fixture_probe_requires_bound_hashes_and_protocol() {
+ let call_id = "call-ack-1";
+ let trace_id = "trace-ack-1";
+ let payload = serde_json::to_vec(&json!({
+ "type": CONTROLLED_FIXTURE_PROBE_TOPIC,
+ "protocolVersion": CONTROLLED_FIXTURE_PROTOCOL_VERSION,
+ "callIdHash": sha256_hex(call_id),
+ "callTraceIdHash": sha256_hex(trace_id),
+ "generation": CONTROLLED_FIXTURE_GENERATION,
+ "clientFixtureSequence": "fixture-01"
+ }))
+ .unwrap();
+ let sender = ParticipantIdentity("user-1".to_string());
+ let pending =
+ controlled_fixture_probe(&payload, call_id, trace_id, &sender, Some("user-1"))
+ .expect("valid probe");
+ assert_eq!(pending.sequence, "fixture-01");
+ assert_eq!(pending.call_id_hash, sha256_hex(call_id));
+ assert_eq!(pending.call_trace_id_hash, sha256_hex(trace_id));
+ assert_eq!(pending.generation, CONTROLLED_FIXTURE_GENERATION);
+ assert!(
+ controlled_fixture_probe(&payload, call_id, "other-trace", &sender, Some("user-1"),)
+ .is_none()
+ );
+ assert!(
+ controlled_fixture_probe(
+ &payload,
+ call_id,
+ trace_id,
+ &ParticipantIdentity("other-user".to_string()),
+ Some("user-1"),
+ )
+ .is_none()
+ );
+ }
+
+ #[test]
+ fn controlled_fixture_attributes_ack_only_on_exact_current_sequence() {
+ let mut attributes = std::collections::HashMap::from([
+ (
+ "inputSourceCategory".to_string(),
+ "controlled_fixture".to_string(),
+ ),
+ (
+ "clientFixtureSequence".to_string(),
+ "fixture-01".to_string(),
+ ),
+ ]);
+ assert!(
+ classify_controlled_fixture_attributes(
+ "user-1",
+ Some("user-1"),
+ &attributes,
+ "fixture-01"
+ )
+ .is_ok()
+ );
+ attributes.insert(
+ "clientFixtureSequence".to_string(),
+ "fixture-02".to_string(),
+ );
+ assert_eq!(
+ classify_controlled_fixture_attributes(
+ "user-1",
+ Some("user-1"),
+ &attributes,
+ "fixture-01"
+ ),
+ Err("wrong_sequence")
+ );
+ attributes.remove("clientFixtureSequence");
+ assert_eq!(
+ classify_controlled_fixture_attributes(
+ "user-1",
+ Some("user-1"),
+ &attributes,
+ "fixture-01"
+ ),
+ Err("missing_sequence")
+ );
+ assert_eq!(
+ classify_controlled_fixture_attributes(
+ "other-user",
+ Some("user-1"),
+ &attributes,
+ "fixture-01"
+ ),
+ Err("wrong_participant")
+ );
+ }
+
+ #[test]
+ fn controlled_fixture_probe_runtime_projection_binds_request_hashes_and_audio_gate() {
+ let call_id = "private-call-value";
+ let trace_id = "private-trace-value";
+ let sequence = "private-sequence-value";
+ let call_id_hash = sha256_hex(call_id);
+ let trace_id_hash = sha256_hex(trace_id);
+ let mut observer_starts = 0;
+ let (ack_result, reject_reason, observed) =
+ controlled_fixture_ack_classification(Err("wrong_source"));
+ let stages = [
+ ("data_received", None, None),
+ ("attributes_classified", Some(ack_result), reject_reason),
+ ("ack_publish_started", Some(ack_result), reject_reason),
+ ("ack_publish_completed", Some(ack_result), reject_reason),
+ ("audio_observer_blocked", Some(ack_result), reject_reason),
+ ];
+ for (stage, result, reason) in stages {
+ let event = controlled_fixture_probe_event(
+ call_id,
+ trace_id,
+ stage,
+ &call_id_hash,
+ &trace_id_hash,
+ CONTROLLED_FIXTURE_GENERATION,
+ sequence,
+ observed,
+ result,
+ reason,
+ );
+ assert_eq!(event["type"], "cv_activity");
+ assert_eq!(event["eventName"], "controlled_fixture_attribute_probe");
+ assert_eq!(event["extension"]["call_id_hash"], call_id_hash);
+ assert_eq!(event["extension"]["trace_id_hash"], trace_id_hash);
+ assert_eq!(event["extension"]["stage"], stage);
+ let output = event.to_string();
+ assert!(!output.contains(sequence));
+ }
+ assert!(!start_observer_after_controlled_fixture_probe(
+ true,
+ Some(observed),
+ || observer_starts += 1,
+ ));
+ assert_eq!(observer_starts, 0);
+
+ let (ack_result, reject_reason, observed) = controlled_fixture_ack_classification(Ok(()));
+ let allowed = controlled_fixture_probe_event(
+ call_id,
+ trace_id,
+ "audio_observer_allowed",
+ &call_id_hash,
+ &trace_id_hash,
+ CONTROLLED_FIXTURE_GENERATION,
+ sequence,
+ observed,
+ Some(ack_result),
+ reject_reason,
+ );
+ assert_eq!(allowed["extension"]["trace_id_hash"], trace_id_hash);
+ assert!(start_observer_after_controlled_fixture_probe(
+ true,
+ Some(observed),
+ || observer_starts += 1,
+ ));
+ assert_eq!(observer_starts, 1);
+ }
+
+ #[test]
+ fn controlled_fixture_probe_observed_and_failure_enums_are_stable() {
+ assert_eq!(
+ controlled_fixture_ack_classification(Ok(())),
+ ("observed", None, true)
+ );
+ assert_eq!(
+ controlled_fixture_ack_classification(Err("timeout")),
+ ("timeout", Some("expired"), false)
+ );
+ for reason in [
+ "missing_attributes",
+ "wrong_source",
+ "missing_sequence",
+ "wrong_sequence",
+ "wrong_participant",
+ ] {
+ assert_eq!(
+ controlled_fixture_ack_classification(Err(reason)),
+ ("rejected", Some(reason), false)
+ );
+ }
+ assert_eq!(
+ controlled_fixture_ack_classification(Err("unclassified")),
+ ("rejected", Some("unknown"), false)
+ );
+ }
+
+ #[test]
+ fn production_probe_binding_drives_rejected_and_observed_ack_without_local_rehash() {
+ let request_call_hash = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
+ let request_trace_hash = "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb";
+ let probe = PendingControlledFixtureProbe {
+ sender: ParticipantIdentity("user-1".to_string()),
+ call_id_hash: request_call_hash.to_string(),
+ call_trace_id_hash: request_trace_hash.to_string(),
+ generation: CONTROLLED_FIXTURE_GENERATION,
+ sequence: "fixture-01".to_string(),
+ received_at: Instant::now(),
+ expires_at: Instant::now() + CONTROLLED_FIXTURE_PROBE_TTL,
+ };
+
+ let (ack_result, reject_reason, observed) =
+ controlled_fixture_ack_classification(Err("wrong_sequence"));
+ let rejected_ack = controlled_fixture_ack_from_probe(&probe, observed, reject_reason);
+ let rejected_json = serde_json::to_value(&rejected_ack).unwrap();
+ let mut rejected_observer_starts = 0;
+ assert_eq!(ack_result, "rejected");
+ assert_eq!(rejected_json["callIdHash"], request_call_hash);
+ assert_eq!(rejected_json["callTraceIdHash"], request_trace_hash);
+ assert_eq!(rejected_json["rejectReason"], "wrong_sequence");
+ assert!(!start_observer_after_controlled_fixture_probe(
+ true,
+ Some(observed),
+ || rejected_observer_starts += 1,
+ ));
+ assert_eq!(rejected_observer_starts, 0);
+
+ let (ack_result, reject_reason, observed) = controlled_fixture_ack_classification(Ok(()));
+ let observed_ack = controlled_fixture_ack_from_probe(&probe, observed, reject_reason);
+ let observed_json = serde_json::to_value(&observed_ack).unwrap();
+ let mut observed_observer_starts = 0;
+ assert_eq!(ack_result, "observed");
+ assert_eq!(observed_json["callIdHash"], request_call_hash);
+ assert_eq!(observed_json["callTraceIdHash"], request_trace_hash);
+ assert!(observed_json.get("rejectReason").is_none());
+ assert!(start_observer_after_controlled_fixture_probe(
+ true,
+ Some(observed),
+ || observed_observer_starts += 1,
+ ));
+ assert_eq!(observed_observer_starts, 1);
+ }
+
+ #[tokio::test]
+ async fn production_ack_publish_failure_keeps_observer_session_and_audio_closed() {
+ let mut acknowledged = HashSet::new();
+ let probe_result = complete_controlled_fixture_ack_publish(
+ async { Err::<(), ()>(()) },
+ "runtime-call-publish-failure",
+ "runtime-trace-publish-failure",
+ true,
+ "observed",
+ None,
+ "call-publish-failure",
+ "trace-publish-failure",
+ CONTROLLED_FIXTURE_GENERATION,
+ "fixture-01",
+ &mut acknowledged,
+ )
+ .await;
+ let mut observer_starts = 0;
+ let mut session_starts = 0;
+ let mut audio_starts = 0;
+ let mut speaking_starts = 0;
+ assert!(!start_observer_after_controlled_fixture_probe(
+ true,
+ Some(probe_result.observed),
+ || {
+ observer_starts += 1;
+ session_starts += 1;
+ audio_starts += 1;
+ speaking_starts += 1;
+ },
+ ));
+ assert_eq!(
+ probe_result,
+ ControlledFixtureAckPublishOutcome {
+ observed: false,
+ published: false,
+ }
+ );
+ assert!(acknowledged.is_empty());
+ assert_eq!(observer_starts, 0);
+ assert_eq!(session_starts, 0);
+ assert_eq!(audio_starts, 0);
+ assert_eq!(speaking_starts, 0);
+
+ let observed_result = complete_controlled_fixture_ack_publish(
+ async { Ok::<(), ()>(()) },
+ "runtime-call-publish-success",
+ "runtime-trace-publish-success",
+ true,
+ "observed",
+ None,
+ "call-publish-success",
+ "trace-publish-success",
+ CONTROLLED_FIXTURE_GENERATION,
+ "fixture-02",
+ &mut acknowledged,
+ )
+ .await;
+ let mut successful_observer_starts = 0;
+ assert!(start_observer_after_controlled_fixture_probe(
+ true,
+ Some(observed_result.observed),
+ || successful_observer_starts += 1,
+ ));
+ assert_eq!(
+ observed_result,
+ ControlledFixtureAckPublishOutcome {
+ observed: true,
+ published: true,
+ }
+ );
+ assert!(acknowledged.contains(&(CONTROLLED_FIXTURE_GENERATION, "fixture-02".to_string())));
+ assert_eq!(successful_observer_starts, 1);
+ }
+
+ #[tokio::test]
+ async fn production_attribute_observation_accepts_server_visibility_within_probe_ttl() {
+ let expected = HashMap::from([
+ (
+ "inputSourceCategory".to_string(),
+ "controlled_fixture".to_string(),
+ ),
+ (
+ "clientFixtureSequence".to_string(),
+ "fixture-01".to_string(),
+ ),
+ ]);
+ let mut reads = 0;
+ let result = observe_controlled_fixture_attributes(
+ Instant::now() + CONTROLLED_FIXTURE_PROBE_TTL,
+ "user-1",
+ Some("user-1"),
+ "fixture-01",
+ || {
+ reads += 1;
+ if reads <= 3 {
+ HashMap::new()
+ } else {
+ expected.clone()
+ }
+ },
+ )
+ .await;
+ assert_eq!(result, Ok(()));
+ assert_eq!(reads, 4);
+ }
+
+ #[tokio::test]
+ async fn production_probe_waits_for_generation_attribute_before_binding() {
+ let received_at = Instant::now();
+ let probe = PendingControlledFixtureProbe {
+ sender: ParticipantIdentity("user-1".to_string()),
+ call_id_hash: "call-hash".to_string(),
+ call_trace_id_hash: "trace-hash".to_string(),
+ generation: 2,
+ sequence: "fixture-02".to_string(),
+ received_at,
+ expires_at: received_at + CONTROLLED_FIXTURE_PROBE_TTL,
+ };
+ let expected = HashMap::from([
+ (
+ "inputSourceCategory".to_string(),
+ "controlled_fixture".to_string(),
+ ),
+ (
+ "clientFixtureSequence".to_string(),
+ "fixture-02".to_string(),
+ ),
+ ("inputGeneration".to_string(), "2".to_string()),
+ ]);
+ let mut reads = 0;
+ let result = observe_controlled_fixture_probe_attributes(
+ probe.expires_at,
+ "user-1",
+ Some("user-1"),
+ &probe,
+ || {
+ reads += 1;
+ if reads == 1 {
+ HashMap::new()
+ } else {
+ expected.clone()
+ }
+ },
+ )
+ .await;
+ assert_eq!(result, Ok(()));
+ assert_eq!(reads, 2);
+ }
+
+ #[tokio::test]
+ async fn production_attribute_observation_rejects_wrong_sequence_without_audio_effect() {
+ let attributes = HashMap::from([
+ (
+ "inputSourceCategory".to_string(),
+ "controlled_fixture".to_string(),
+ ),
+ (
+ "clientFixtureSequence".to_string(),
+ "fixture-02".to_string(),
+ ),
+ ]);
+ let result = observe_controlled_fixture_attributes(
+ Instant::now() + CONTROLLED_FIXTURE_PROBE_TTL,
+ "user-1",
+ Some("user-1"),
+ "fixture-01",
+ || attributes.clone(),
+ )
+ .await;
+ let mut observer_starts = 0;
+ assert_eq!(result, Err("wrong_sequence"));
+ assert!(!start_observer_after_controlled_fixture_probe(
+ true,
+ Some(result.is_ok()),
+ || observer_starts += 1,
+ ));
+ assert_eq!(observer_starts, 0);
+ }
+
+ #[tokio::test]
+ async fn production_post_expiry_observation_records_bounded_visibility_without_second_ack() {
+ let started_at = Instant::now();
+ let active = Arc::new(AtomicBool::new(true));
+ let expected = HashMap::from([
+ (
+ "inputSourceCategory".to_string(),
+ "controlled_fixture".to_string(),
+ ),
+ (
+ "clientFixtureSequence".to_string(),
+ "fixture-01".to_string(),
+ ),
+ ]);
+ let mut acknowledged = HashSet::new();
+ let expired_ack = complete_controlled_fixture_ack_publish(
+ async { Ok::<(), ()>(()) },
+ "runtime-call-post-expiry",
+ "runtime-trace-post-expiry",
+ false,
+ "timeout",
+ Some("expired"),
+ "call-post-expiry",
+ "trace-post-expiry",
+ CONTROLLED_FIXTURE_GENERATION,
+ "fixture-01",
+ &mut acknowledged,
+ )
+ .await;
+ assert_eq!(
+ expired_ack,
+ ControlledFixtureAckPublishOutcome {
+ observed: false,
+ published: true,
+ }
+ );
+ let evidence = observe_controlled_fixture_post_expiry_views(
+ started_at,
+ started_at + CONTROLLED_FIXTURE_POST_EXPIRY_WINDOW,
+ "user-1",
+ Some("user-1"),
+ "fixture-01",
+ active,
+ || {
+ if started_at.elapsed() >= Duration::from_millis(300) {
+ expected.clone()
+ } else {
+ HashMap::new()
+ }
+ },
+ || Some(("user-1".to_string(), HashMap::new())),
+ )
+ .await;
+ assert_eq!(acknowledged.len(), 1);
+ assert_eq!(
+ evidence,
+ Some(ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: "250_500ms",
+ visibility_source: "participant_attributes_poll",
+ visibility_result: "held_visible",
+ binding_matched: true,
+ })
+ );
+
+ let never_started_at = Instant::now();
+ assert_eq!(
+ observe_controlled_fixture_post_expiry_views(
+ never_started_at,
+ never_started_at + Duration::from_millis(40),
+ "user-1",
+ Some("user-1"),
+ "fixture-01",
+ Arc::new(AtomicBool::new(true)),
+ HashMap::new,
+ || Some(("user-1".to_string(), HashMap::new())),
+ )
+ .await,
+ Some(ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: "never_visible_within_observation_window",
+ visibility_source: "held_and_current_room_lookup",
+ visibility_result: "unavailable_both",
+ binding_matched: true,
+ })
+ );
+
+ assert_eq!(
+ observe_controlled_fixture_post_expiry_views(
+ Instant::now(),
+ Instant::now() + Duration::from_millis(50),
+ "cross-call-user",
+ Some("user-1"),
+ "fixture-01",
+ Arc::new(AtomicBool::new(true)),
+ || expected.clone(),
+ || Some(("user-1".to_string(), expected.clone())),
+ )
+ .await,
+ None
+ );
+
+ let inactive = Arc::new(AtomicBool::new(false));
+ assert_eq!(
+ observe_controlled_fixture_post_expiry_views(
+ Instant::now(),
+ Instant::now() + Duration::from_millis(50),
+ "user-1",
+ Some("user-1"),
+ "fixture-01",
+ inactive,
+ HashMap::new,
+ || Some(("user-1".to_string(), HashMap::new())),
+ )
+ .await,
+ None
+ );
+ assert_eq!(acknowledged.len(), 1);
+
+ let probe = PendingControlledFixtureProbe {
+ sender: ParticipantIdentity("user-1".to_string()),
+ call_id_hash: "call-post-expiry".to_string(),
+ call_trace_id_hash: "trace-post-expiry".to_string(),
+ generation: CONTROLLED_FIXTURE_GENERATION,
+ sequence: "fixture-01".to_string(),
+ received_at: started_at,
+ expires_at: started_at + CONTROLLED_FIXTURE_PROBE_TTL,
+ };
+ let event = controlled_fixture_visibility_event(
+ "runtime-call-post-expiry",
+ "runtime-trace-post-expiry",
+ &probe,
+ &evidence.unwrap(),
+ );
+ let extension = event["extension"].as_object().unwrap();
+ let mut keys = extension.keys().map(String::as_str).collect::<Vec<_>>();
+ keys.sort_unstable();
+ assert_eq!(
+ keys,
+ vec![
+ "binding_matched",
+ "call_id_hash",
+ "evidence_count",
+ "first_visible_bucket",
+ "generation",
+ "sequence_hash",
+ "stage",
+ "trace_id_hash",
+ "visibility_result",
+ "visibility_source",
+ ]
+ );
+ let encoded = event.to_string();
+ for forbidden in [
+ "\"participant\":",
+ "\"room\":",
+ "\"track\":",
+ "\"payload\":",
+ "\"audio\":",
+ ] {
+ assert!(!encoded.contains(forbidden));
+ }
+ }
+
+ #[tokio::test]
+ async fn production_post_expiry_observation_distinguishes_held_stale_from_current_room_view() {
+ let started_at = Instant::now();
+ let current_attributes = HashMap::from([
+ (
+ "inputSourceCategory".to_string(),
+ "controlled_fixture".to_string(),
+ ),
+ (
+ "clientFixtureSequence".to_string(),
+ "fixture-01".to_string(),
+ ),
+ ]);
+ let mut acknowledged = HashSet::new();
+ let expired_ack = complete_controlled_fixture_ack_publish(
+ async { Ok::<(), ()>(()) },
+ "runtime-call-current-view",
+ "runtime-trace-current-view",
+ false,
+ "timeout",
+ Some("expired"),
+ "call-current-view",
+ "trace-current-view",
+ CONTROLLED_FIXTURE_GENERATION,
+ "fixture-01",
+ &mut acknowledged,
+ )
+ .await;
+ let evidence = observe_controlled_fixture_post_expiry_views(
+ started_at,
+ started_at + Duration::from_millis(100),
+ "user-1",
+ Some("user-1"),
+ "fixture-01",
+ Arc::new(AtomicBool::new(true)),
+ HashMap::new,
+ || Some(("user-1".to_string(), current_attributes.clone())),
+ )
+ .await;
+
+ assert_eq!(
+ expired_ack,
+ ControlledFixtureAckPublishOutcome {
+ observed: false,
+ published: true,
+ }
+ );
+ assert_eq!(acknowledged.len(), 1);
+ assert_eq!(
+ evidence,
+ Some(ControlledFixtureVisibilityEvidence {
+ first_visible_bucket: "lte_250ms",
+ visibility_source: "current_room_lookup",
+ visibility_result: "held_stale_current_visible",
+ binding_matched: true,
+ })
+ );
+ let mut observer_starts = 0;
+ assert!(!start_observer_after_controlled_fixture_probe(
+ true,
+ Some(expired_ack.observed),
+ || observer_starts += 1,
+ ));
+ assert_eq!(observer_starts, 0);
+
+ for current_view in [
+ None,
+ Some(("cross-call-user".to_string(), current_attributes.clone())),
+ Some((
+ "user-1".to_string(),
+ HashMap::from([
+ (
+ "inputSourceCategory".to_string(),
+ "controlled_fixture".to_string(),
+ ),
+ (
+ "clientFixtureSequence".to_string(),
+ "fixture-old".to_string(),
+ ),
+ ]),
+ )),
+ ] {
+ assert_eq!(
+ observe_controlled_fixture_post_expiry_views(
+ Instant::now(),
+ Instant::now() + Duration::from_millis(20),
+ "user-1",
+ Some("user-1"),
+ "fixture-01",
+ Arc::new(AtomicBool::new(true)),
+ HashMap::new,
+ || current_view.clone(),
+ )
+ .await,
+ None
+ );
+ }
+ }
+
+ #[test]
+ fn controlled_fixture_ack_payload_is_reliable_and_redacted() {
+ let ack = ControlledFixtureAttributeAck {
+ message_type: CONTROLLED_FIXTURE_ACK_TOPIC,
+ protocol_version: CONTROLLED_FIXTURE_PROTOCOL_VERSION,
+ call_id_hash: sha256_hex("call-1"),
+ call_trace_id_hash: sha256_hex("trace-1"),
+ generation: CONTROLLED_FIXTURE_GENERATION,
+ client_fixture_sequence: "fixture-01".to_string(),
+ result: "observed",
+ input_source_category: Some("controlled_fixture"),
+ reject_reason: None,
+ };
+ let encoded = serde_json::to_vec(&ack).unwrap();
+ let decoded: serde_json::Value = serde_json::from_slice(&encoded).unwrap();
+ assert_eq!(decoded["type"], CONTROLLED_FIXTURE_ACK_TOPIC);
+ assert_eq!(
+ decoded["protocolVersion"],
+ CONTROLLED_FIXTURE_PROTOCOL_VERSION
+ );
+ assert_eq!(decoded["result"], "observed");
+ assert!(decoded.get("callId").is_none());
+ assert!(decoded.get("traceId").is_none());
+ assert!(decoded.get("participantIdentity").is_none());
+ assert!(decoded.get("audio").is_none());
+ }
+
+ #[test]
+ fn controlled_fixture_probe_does_not_create_session_or_audio_side_effects() {
+ let attributes = std::collections::HashMap::new();
+ assert_eq!(
+ classify_controlled_fixture_attributes(
+ "user-1",
+ Some("user-1"),
+ &attributes,
+ "fixture-01"
+ ),
+ Err("missing_attributes")
+ );
+ assert_eq!(
+ CONTROLLED_FIXTURE_PROBE_TOPIC,
+ "controlled_fixture_attribute_probe"
+ );
+ assert_eq!(
+ CONTROLLED_FIXTURE_ACK_TOPIC,
+ "controlled_fixture_attribute_ack"
+ );
+ }
+
+ #[test]
+ fn controlled_fixture_probe_must_be_observed_before_audio_observer() {
+ assert!(controlled_fixture_observer_gate(false, None));
+ assert!(controlled_fixture_observer_gate(true, Some(true)));
+ assert!(!controlled_fixture_observer_gate(true, Some(false)));
+ assert!(!controlled_fixture_observer_gate(true, None));
+ }
+
+ #[test]
+ fn production_event_order_probe_then_track_publishes_ack_before_observer() {
+ let effects = drive_pre_audio_order_test_seam(&[
+ PreAudioOrderEvent::DataReceived {
+ sender: "user-1".to_string(),
+ sequence: "1".to_string(),
+ },
+ PreAudioOrderEvent::TrackSubscribed {
+ participant: "user-1".to_string(),
+ },
+ ]);
+ assert_eq!(effects, ["ack_observed", "observer_started"]);
+ }
+
+ #[test]
+ fn production_event_order_negative_probe_has_no_observer_or_session_effect() {
+ let effects = drive_pre_audio_order_test_seam(&[
+ PreAudioOrderEvent::DataReceived {
+ sender: "user-1".to_string(),
+ sequence: "1".to_string(),
+ },
+ PreAudioOrderEvent::TrackSubscribed {
+ participant: "cross-call-user".to_string(),
+ },
+ ]);
+ assert!(effects.is_empty());
+ }
+
+ #[test]
+ fn production_audio_branch_orders_probe_before_spawn_callsite() {
+ let source = include_str!("main.rs");
+ let branch = source
+ .find("RoomEvent::TrackSubscribed {\n track: RemoteTrack::Audio")
+ .expect("audio TrackSubscribed production branch");
+ let branch_source = &source[branch..];
+ let probe = branch_source
+ .find("let probe_result = process_controlled_fixture_probe")
+ .expect("probe must be processed in audio branch");
+ let spawn = branch_source
+ .find("start_observer_after_controlled_fixture_probe")
+ .expect("spawn must use shared order entry");
+ assert!(
+ probe < spawn,
+ "probe must precede shared observer spawn entry"
+ );
+ }
}
--
Gitblit v1.9.3