Module http 

HTTP client for intervals.icu API with rate limiting.

This module provides high-performance activity fetching with:

• Connection pooling for HTTP/2 multiplexing
• Dispatch rate limiting (spaces out request starts)
• Parallel fetching with configurable concurrency
• Automatic retry with exponential backoff on 429

Structs

ActivityFetcher

High-performance activity fetcher

ActivityMapResult

Result of fetching activity map data

DownloadProgress

Global progress state for FFI polling. Uses atomics to allow safe concurrent access from fetch tasks and FFI polls.

MapBounds

Map bounds for an activity

Functions

fetch_activity_maps_sync

Synchronous wrapper for FFI - runs the async code on a tokio runtime Accepts a pre-formatted auth header (e.g., “Basic …” or “Bearer …”)

finish_download_progress

Mark download as complete

get_download_progress

Get current progress state (called by FFI)

increment_download_progress

Increment completed counter after each activity fetches

reset_download_progress

Reset progress counters at start of fetch operation

start_background_fetch

Start a background fetch operation (returns immediately, doesn’t block) Call get_download_progress() to monitor progress Call take_background_fetch_results() when active becomes false to get results

take_background_fetch_results

Take the results from a completed background fetch Returns None if fetch is still in progress or no fetch was started Returns Some(results) and clears the storage

Type Aliases

ProgressCallback

Progress callback type