exocortex-ingest 0.4.0

Exocortex ingestion service: HMAC-authenticated batches through fingerprint, ceiling, and triple validation, with server-side entity extraction and embeddings.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142

use std::sync::atomic::{AtomicUsize, Ordering};
use std::sync::Arc;
use std::time::{Duration, Instant};

use exocortex_ingest::{Embedder, IngestServer};
use exocortex_pack_dev_v1::pack_def;
use exocortex_storage::InMemoryStorage;
use exocortex_wire::ingest::v1::{
    ingest_service_server::IngestService, IngestBatch, MemoryDraft, ProducerIdentity,
};
use tonic::Request;

const HMAC_KEY: [u8; 32] = [0x79; 32];

struct BlockingBatchEmbedder {
    single_calls: AtomicUsize,
    batch_calls: AtomicUsize,
    last_batch_len: AtomicUsize,
}

impl BlockingBatchEmbedder {
    fn new() -> Self {
        Self {
            single_calls: AtomicUsize::new(0),
            batch_calls: AtomicUsize::new(0),
            last_batch_len: AtomicUsize::new(0),
        }
    }
}

impl Embedder for BlockingBatchEmbedder {
    fn embed(&self, _text: &str) -> Result<Vec<f32>, String> {
        if self.single_calls.fetch_add(1, Ordering::SeqCst) == 0 {
            std::thread::sleep(Duration::from_millis(400));
        }
        Ok(vec![1.0, 0.0, 0.0, 0.0])
    }

    fn embed_batch(&self, texts: &[String]) -> Result<Vec<Vec<f32>>, String> {
        self.batch_calls.fetch_add(1, Ordering::SeqCst);
        self.last_batch_len.store(texts.len(), Ordering::SeqCst);
        std::thread::sleep(Duration::from_millis(400));
        Ok(vec![vec![1.0, 0.0, 0.0, 0.0]; texts.len()])
    }

    fn model_id(&self) -> &'static str {
        "blocking-test"
    }

    fn model_version(&self) -> &'static str {
        "v1"
    }

    fn dim(&self) -> usize {
        4
    }
}

fn draft(index: usize) -> MemoryDraft {
    MemoryDraft {
        rights: None,
        draft_key: format!("row-{index}"),
        id: String::new(),
        memory_type: "Solution".into(),
        title: format!("blocking embedding {index}"),
        content: "the synchronous model must not occupy a Tokio worker".into(),
        tags: vec![],
        visibility: 3,
        valid_from: None,
        valid_until: None,
        external_key: None,
    }
}

#[tokio::test(flavor = "current_thread")]
async fn max_batch_embedding_is_one_blocking_invocation_without_worker_starvation() {
    let ontology = Arc::new(
        exocortex_kernel::Ontology::from_packs(vec![pack_def()]).expect("ontology assembles"),
    );
    let storage = Arc::new(InMemoryStorage::new(ontology.clone()));
    let embedder = Arc::new(BlockingBatchEmbedder::new());
    let server = IngestServer::new(storage, ontology, HMAC_KEY).with_embedder(embedder.clone());
    server
        .register_source(Request::new(exocortex_wire::signing::registration(
            &HMAC_KEY,
            "org",
            "custom://blocking",
            "blocking-test",
            3,
            "custom",
            "test-node",
            exocortex_wire::ingest::v1::ProducerKind::CodingAgent,
        )))
        .await
        .unwrap();
    let mut batch = IngestBatch {
        org_id: "org".into(),
        source_uri: "custom://blocking".into(),
        producer_id: "blocking-test".into(),
        batch_id: "max-embedding-batch".into(),
        mapping_version: "1".into(),
        ontology_fingerprint: server.ontology.fingerprint.0.to_vec(),
        ceiling: 3,
        checksum: String::new(),
        observed_at: None,
        recorded_at: None,
        snapshot: None,
        memories: (0..exocortex_wire::limits::MAX_MEMORIES_PER_BATCH)
            .map(draft)
            .collect(),
        relationships: vec![],
        producer: Some(ProducerIdentity {
            node_id: "test-node".into(),
            agent_id: String::new(),
            adapter_id: String::new(),
            hmac_signature: vec![],
            client_metadata: None,
        }),
    };
    exocortex_wire::signing::prepare_batch(&HMAC_KEY, &mut batch);

    let started = Instant::now();
    let submit = tokio::spawn(async move { server.submit(Request::new(batch)).await });
    tokio::task::yield_now().await;
    tokio::time::sleep(Duration::from_millis(10)).await;
    assert!(
        started.elapsed() < Duration::from_millis(250),
        "Tokio heartbeat was starved by synchronous inference"
    );

    let ack = submit.await.unwrap().unwrap().into_inner();
    assert_eq!(
        ack.accepted as usize,
        exocortex_wire::limits::MAX_MEMORIES_PER_BATCH
    );
    assert_eq!(embedder.batch_calls.load(Ordering::SeqCst), 1);
    assert_eq!(embedder.single_calls.load(Ordering::SeqCst), 0);
    assert_eq!(
        embedder.last_batch_len.load(Ordering::SeqCst),
        exocortex_wire::limits::MAX_MEMORIES_PER_BATCH
    );
}