ai-lib 0.4.0

A unified AI SDK for Rust providing a single interface for multiple AI providers with hybrid architecture
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
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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173

use std::time::Duration;

use crate::interceptors::{
    CircuitBreakerInterceptor, InterceptorPipeline, RateLimitInterceptor, RetryInterceptor,
    TimeoutInterceptor,
};

/// Default interceptors bundle configuration
#[derive(Debug, Clone)]
pub struct DefaultInterceptorsConfig {
    pub retry_max_attempts: u32,
    pub retry_base_delay: Duration,
    pub retry_max_delay: Duration,
    pub timeout_duration: Duration,
    pub circuit_breaker_threshold: u32,
    pub circuit_breaker_recovery: Duration,
    pub rate_limit_per_minute: u32,
}

impl Default for DefaultInterceptorsConfig {
    fn default() -> Self {
        Self {
            retry_max_attempts: 3,
            retry_base_delay: Duration::from_secs(1),
            retry_max_delay: Duration::from_secs(10),
            timeout_duration: Duration::from_secs(30),
            circuit_breaker_threshold: 5,
            circuit_breaker_recovery: Duration::from_secs(60),
            rate_limit_per_minute: 60,
        }
    }
}

/// Builder for creating default interceptors bundle
pub struct DefaultInterceptorsBuilder {
    config: DefaultInterceptorsConfig,
    enable_retry: bool,
    enable_timeout: bool,
    enable_circuit_breaker: bool,
    enable_rate_limit: bool,
}

impl DefaultInterceptorsBuilder {
    /// Create a new builder with default configuration
    pub fn new() -> Self {
        Self {
            config: DefaultInterceptorsConfig::default(),
            enable_retry: true,
            enable_timeout: true,
            enable_circuit_breaker: true,
            enable_rate_limit: true,
        }
    }

    /// Configure retry settings
    pub fn with_retry(
        mut self,
        max_attempts: u32,
        base_delay: Duration,
        max_delay: Duration,
    ) -> Self {
        self.config.retry_max_attempts = max_attempts;
        self.config.retry_base_delay = base_delay;
        self.config.retry_max_delay = max_delay;
        self
    }

    /// Configure timeout settings
    pub fn with_timeout(mut self, duration: Duration) -> Self {
        self.config.timeout_duration = duration;
        self
    }

    /// Configure circuit breaker settings
    pub fn with_circuit_breaker(mut self, threshold: u32, recovery: Duration) -> Self {
        self.config.circuit_breaker_threshold = threshold;
        self.config.circuit_breaker_recovery = recovery;
        self
    }

    /// Configure rate limit settings
    pub fn with_rate_limit(mut self, requests_per_minute: u32) -> Self {
        self.config.rate_limit_per_minute = requests_per_minute;
        self
    }

    /// Enable or disable retry interceptor
    pub fn enable_retry(mut self, enable: bool) -> Self {
        self.enable_retry = enable;
        self
    }

    /// Enable or disable timeout interceptor
    pub fn enable_timeout(mut self, enable: bool) -> Self {
        self.enable_timeout = enable;
        self
    }

    /// Enable or disable circuit breaker interceptor
    pub fn enable_circuit_breaker(mut self, enable: bool) -> Self {
        self.enable_circuit_breaker = enable;
        self
    }

    /// Enable or disable rate limit interceptor
    pub fn enable_rate_limit(mut self, enable: bool) -> Self {
        self.enable_rate_limit = enable;
        self
    }

    /// Build the interceptors pipeline
    pub fn build(self) -> InterceptorPipeline {
        let mut pipeline = InterceptorPipeline::new();

        if self.enable_retry {
            let retry = RetryInterceptor::new(
                self.config.retry_max_attempts,
                self.config.retry_base_delay,
                self.config.retry_max_delay,
            );
            pipeline = pipeline.with(retry);
        }

        if self.enable_timeout {
            let timeout = TimeoutInterceptor::new(self.config.timeout_duration);
            pipeline = pipeline.with(timeout);
        }

        if self.enable_circuit_breaker {
            let breaker = CircuitBreakerInterceptor::new(
                self.config.circuit_breaker_threshold,
                self.config.circuit_breaker_recovery,
            );
            pipeline = pipeline.with(breaker);
        }

        if self.enable_rate_limit {
            let rate_limit = RateLimitInterceptor::new(self.config.rate_limit_per_minute);
            pipeline = pipeline.with(rate_limit);
        }

        pipeline
    }
}

impl Default for DefaultInterceptorsBuilder {
    fn default() -> Self {
        Self::new()
    }
}

/// Create a default interceptors pipeline with sensible defaults
pub fn create_default_interceptors() -> InterceptorPipeline {
    DefaultInterceptorsBuilder::new().build()
}

/// Create a minimal interceptors pipeline (retry + timeout only)
pub fn create_minimal_interceptors() -> InterceptorPipeline {
    DefaultInterceptorsBuilder::new()
        .enable_circuit_breaker(false)
        .enable_rate_limit(false)
        .build()
}

/// Create a production-ready interceptors pipeline
pub fn create_production_interceptors() -> InterceptorPipeline {
    DefaultInterceptorsBuilder::new()
        .with_retry(5, Duration::from_secs(2), Duration::from_secs(30))
        .with_timeout(Duration::from_secs(60))
        .with_circuit_breaker(10, Duration::from_secs(120))
        .with_rate_limit(120)
        .build()
}