morph::ui::VerifiedCache Class Reference

A content-addressed cache that hands out only bytes that hash to the hash they are asked for. More...

#include <service_client.hpp>

Public Member Functions
	VerifiedCache (std::shared_ptr< IBundleStore > store)
	A cache over store.
std::optional< std::string >	get (std::string const &hash)
	Reads a file, verified. A stored file that does not hash to hash is dropped and reads as a miss.
std::string	put (std::string bytes)
	Keeps a file under its content hash.
IBundleStore &	store () noexcept
	The store.

Detailed Description

A content-addressed cache that hands out only bytes that hash to the hash they are asked for.

Definition at line 150 of file service_client.hpp.

Constructor & Destructor Documentation

VerifiedCache()

morph::ui::VerifiedCache::VerifiedCache ( std::shared_ptr< IBundleStore > store )

inlineexplicit

A cache over store.

Parameters

store

The store; shared with the caller.

Exceptions

std::invalid_argument

if store is null.

Definition at line 155 of file service_client.hpp.

Member Function Documentation

get()

std::optional< std::string > morph::ui::VerifiedCache::get ( std::string const & hash )

inlinenodiscard

Reads a file, verified. A stored file that does not hash to hash is dropped and reads as a miss.

Parameters

hash	The content hash.

Returns

The bytes, or nothing.

Definition at line 164 of file service_client.hpp.

put()

std::string morph::ui::VerifiedCache::put ( std::string bytes )

inline

Keeps a file under its content hash.

Parameters

bytes

The bytes.

Returns

The hash they are kept under.

Definition at line 177 of file service_client.hpp.

store()

IBundleStore & morph::ui::VerifiedCache::store ( )

inlinenodiscardnoexcept

The store.

Returns

It.

Definition at line 185 of file service_client.hpp.

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The documentation for this class was generated from the following file:

• morph/ui/service_client.hpp