rightkit-agent-engine-protocol 0.1.1

Agent engine protocol: events, envelopes, tool calls, trust wrapping and settlement types shared by agent hosts
Documentation 
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

//! Provider retry notices: a plain-data hook so a provider adapter can tell
//! its caller "I am backing off and retrying" without owning any session
//! state. The engine installs a notifier on the request metadata and turns
//! each notice into a `providerRetrying` protocol event.

use std::fmt;
use std::sync::Arc;

/// One pending provider retry.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct RetryNotice {
    /// Short provider label (route host).
    pub provider: String,
    /// Why the previous attempt failed: `rate limited`, `HTTP 503`,
    /// `connection error`, `stream interrupted`.
    pub reason: String,
    /// The retry about to run (1-based).
    pub attempt: u32,
    /// Retries the ladder allows.
    pub max_attempts: u32,
    /// Backoff the adapter sleeps before the retry.
    pub delay_ms: u64,
}

type NotifyFn = dyn Fn(RetryNotice) + Send + Sync;

/// Cloneable, optional retry sink. Default is a no-op.
#[derive(Clone, Default)]
pub struct RetryNotifier(Option<Arc<NotifyFn>>);

impl RetryNotifier {
    pub fn new(f: impl Fn(RetryNotice) + Send + Sync + 'static) -> Self {
        Self(Some(Arc::new(f)))
    }

    pub fn notify(&self, notice: RetryNotice) {
        if let Some(f) = &self.0 {
            f(notice);
        }
    }
}

impl fmt::Debug for RetryNotifier {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.write_str(if self.0.is_some() {
            "RetryNotifier(set)"
        } else {
            "RetryNotifier(none)"
        })
    }
}

impl PartialEq for RetryNotifier {
    fn eq(&self, other: &Self) -> bool {
        match (&self.0, &other.0) {
            (None, None) => true,
            (Some(a), Some(b)) => Arc::ptr_eq(a, b),
            _ => false,
        }
    }
}

impl Eq for RetryNotifier {}