haio_cache.hpp File Reference

#include "haio.hpp"
#include <boost/asio/any_io_executor.hpp>
#include <boost/asio/awaitable.hpp>
#include <chrono>
#include <filesystem>
#include <functional>
#include <memory>
#include <optional>
#include <span>
#include <string>

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Classes
struct	Haio::Cdn::CacheEntry
struct	Haio::Cdn::CacheConfig
class	Haio::Cdn::CacheStore
class	Haio::Cdn::Cache

Namespaces
namespace	Haio
namespace	Haio::Cdn

Functions
std::string	Haio::Cdn::cacheKey (std::string_view bucket, std::string_view path, std::string_view query)
std::vector< uint8_t >	Haio::Cdn::encodeEntry (const CacheEntry &entry)
std::optional< CacheEntry >	Haio::Cdn::decodeEntry (std::span< const uint8_t > raw)
std::unique_ptr< CacheStore >	Haio::Cdn::makeMemoryStore (size_t maxUsage, std::chrono::seconds ttl)
std::unique_ptr< CacheStore >	Haio::Cdn::makeFileStore (std::filesystem::path root, std::chrono::seconds ttl, size_t maxUsage)
std::unique_ptr< CacheStore >	Haio::Cdn::makeRedisStore (std::string url, std::chrono::seconds ttl, size_t maxUsage, boost::asio::any_io_executor executor)

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Class Documentation

Haio::Cdn::CacheEntry

struct Haio::Cdn::CacheEntry

what the cache holds is a finished response, not an image: the work being saved is the fetch and the whole conversion behind it, so replaying an entry costs a copy.

Definition at line 22 of file haio_cache.hpp.

Class Members
string	contentType
vector< uint8_t >	data
string	filename

Haio::Cdn::CacheConfig

struct Haio::Cdn::CacheConfig

Definition at line 28 of file haio_cache.hpp.

Class Members
size_t	maxUsage = 64u << 20
seconds	ttl {0}
string	url