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/*
* Copyright © 2018 Samuel Holland <samuel@sholland.org>
* SPDX-License-Identifier: GPL-2.0-or-later
*/
package com.wireguard.android.configStore;
import com.wireguard.config.Config;
import java.util.Set;
/**
* Interface for persistent storage providers for WireGuard configurations.
*/
public interface ConfigStore {
/**
* Create a persistent tunnel, which must have a unique name within the persistent storage
* medium.
*
* @param name The name of the tunnel to create.
* @param config Configuration for the new tunnel.
* @return The configuration that was actually saved to persistent storage.
*/
Config create(final String name, final Config config) throws Exception;
/**
* Delete a persistent tunnel.
*
* @param name The name of the tunnel to delete.
*/
void delete(final String name) throws Exception;
/**
* Enumerate the names of tunnels present in persistent storage.
*
* @return The set of present tunnel names.
*/
Set<String> enumerate();
/**
* Load the configuration for the tunnel given by {@code name}.
*
* @param name The identifier for the configuration in persistent storage (i.e. the name of the
* tunnel).
* @return An in-memory representation of the configuration loaded from persistent storage.
*/
Config load(final String name) throws Exception;
/**
* Rename the configuration for the tunnel given by {@code name}.
*
* @param name The identifier for the existing configuration in persistent storage.
* @param replacement The new identifier for the configuration in persistent storage.
*/
void rename(String name, String replacement) throws Exception;
/**
* Save the configuration for an existing tunnel given by {@code name}.
*
* @param name The identifier for the configuration in persistent storage (i.e. the name of
* the tunnel).
* @param config An updated configuration object for the tunnel.
* @return The configuration that was actually saved to persistent storage.
*/
Config save(final String name, final Config config) throws Exception;
}
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