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// Copyright (c) 2018, Compiler Explorer Authors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
import { logger } from '../logger';
import { InMemoryCache } from './in-memory';
import { MultiCache } from './multi';
import { NullCache } from './null';
import { OnDiskCache } from './on-disk';
import { S3Cache } from './s3';
function paramInt(config, param) {
const result = parseInt(param);
if (isNaN(result))
throw new Error(`Bad params: ${config}`);
return result;
}
function createInternal(name, config) {
if (!config) {
return new NullCache(name);
}
const parts = config.split(';');
if (parts.length > 1) {
return new MultiCache(name, ...parts.map(part => createInternal(name, part)));
}
const match = config.match(/^([^(]+)\(([^)]+)\)$/);
if (!match)
throw new Error(`Unable to parse '${config}'`);
const params = match[2].split(',');
switch (match[1]) {
case 'InMemory':
if (params.length !== 1)
throw new Error(`Bad params: ${config}`);
return new InMemoryCache(name, paramInt(config, params[0]));
case 'OnDisk':
if (params.length !== 2)
throw new Error(`Bad params: ${config}`);
return new OnDiskCache(name, params[0], paramInt(config, params[1]));
case 'S3':
if (params.length !== 3)
throw new Error(`Bad params: ${config}`);
return new S3Cache(name, ...params);
default:
throw new Error(`Unrecognised cache type '${match[1]}'`);
}
}
export function createCacheFromConfig(name, config) {
const result = createInternal(name, config);
logger.info(`Created cache ${name} of type ${result.name}`);
return result;
}