Module http 

HTTP client with circuit breaker pattern.

Wraps reqwest::Client with automatic failure tracking per host. After repeated failures, requests fail fast to prevent cascade failures.

Structs

CircuitBreakerClient

HTTP client with circuit breaker pattern.

CircuitBreakerConfig

Configuration for the circuit breaker.

CircuitBreakerOpen

Error returned when circuit breaker is open.

CircuitState

Circuit breaker state for a single host.

HttpClient

HTTP client facade that routes requests through a circuit breaker and can apply a default timeout to requests that do not set one explicitly.

HttpRequestBuilder

Request builder paired with a circuit-breaker-backed HTTP client.

Enums

CircuitBreakerError

Error type for circuit breaker operations.

CircuitStatus

Circuit breaker status.

Functions

build_ssrf_safe_client

Build a reqwest client with SSRF-safe DNS resolution. Hostnames that resolve to private/loopback/link-local IPs are rejected at the DNS layer.

is_private_ip

Returns true when the given IP is in a loopback, private (RFC 1918 / ULA), link-local, broadcast, unspecified, or documentation range. Also handles IPv4-mapped IPv6 addresses (::ffff:x.x.x.x).