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96 changes: 96 additions & 0 deletions
96
...mmon/common-api/src/main/kotlin/com/tencent/devops/common/api/cache/BkDiskLruFileCache.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| package com.tencent.devops.common.api.cache | ||
|
|
||
| import com.jakewharton.disklrucache.DiskLruCache | ||
| import com.tencent.devops.common.api.util.ShaUtils | ||
| import org.slf4j.LoggerFactory | ||
| import java.io.File | ||
| import java.io.FileInputStream | ||
| import java.io.FileOutputStream | ||
| import java.io.IOException | ||
|
|
||
| /** | ||
| * 蓝盾文件磁盘缓存 | ||
| */ | ||
| class BkDiskLruFileCache( | ||
| private val cacheDir: String, | ||
| private val cacheSize: Long | ||
| ) { | ||
|
|
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| private val diskCache: DiskLruCache = DiskLruCache.open(File(cacheDir), 1, 1, cacheSize) | ||
|
|
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| companion object { | ||
| private const val BUFFER_SIZE = 1024 | ||
| private val logger = LoggerFactory.getLogger(BkDiskLruFileCache::class.java) | ||
| } | ||
|
|
||
| /** | ||
| * 把文件放入磁盘缓存 | ||
| * @param key 磁盘缓存key | ||
| * @param inputFile 缓存文件 | ||
| */ | ||
| @Throws(IOException::class) | ||
| fun put(key: String, inputFile: File) { | ||
| // 根据key获取缓存编辑器（为了保证key格式符合DiskLruCache规范，key需要用sha算法计算出散列值进行转换） | ||
| val editor = diskCache.edit(ShaUtils.sha256(key)) ?: return | ||
| // 如果编辑器不为空，把文件写入磁盘缓存 | ||
| FileInputStream(inputFile).use { inputStream -> | ||
| editor.newOutputStream(0).use { outputStream -> | ||
| val buffer = ByteArray(BUFFER_SIZE) | ||
| var bytesRead: Int | ||
| while (inputStream.read(buffer).also { bytesRead = it } != -1) { | ||
| outputStream.write(buffer, 0, bytesRead) | ||
| } | ||
| } | ||
| } | ||
| editor.commit() | ||
| // 手动触发淘汰策略 | ||
| diskCache.flush() | ||
| } | ||
|
|
||
| /** | ||
| * 从磁盘缓存中获取文件到指定位置 | ||
| * @param key 磁盘缓存key | ||
| * @param outputFile 输出文件 | ||
| */ | ||
| @Throws(IOException::class) | ||
| fun get(key: String, outputFile: File) { | ||
| // 根据key从磁盘缓存获取snapshot对象 | ||
| val snapshot = diskCache[ShaUtils.sha256(key)] | ||
| snapshot?.getInputStream(0)?.use { inputStream -> | ||
| // 将snapshot对象输出流写入输出文件 | ||
| FileOutputStream(outputFile).use { outputStream -> | ||
| val buffer = ByteArray(BUFFER_SIZE) | ||
| var bytesRead: Int | ||
| while (inputStream.read(buffer).also { bytesRead = it } != -1) { | ||
| outputStream.write(buffer, 0, bytesRead) | ||
| } | ||
| } | ||
| } | ||
| // 将文件设置为可执行文件 | ||
| if (outputFile.exists()) { | ||
| val success = outputFile.setExecutable(true) | ||
| if (success) { | ||
| logger.info("file[${outputFile.absolutePath}] execution permission added successfully.") | ||
| } else { | ||
| logger.warn("file[${outputFile.absolutePath}] failed to add execution permission.") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * 从磁盘缓存中移除缓存对象 | ||
| * @param key 磁盘缓存key | ||
| */ | ||
| @Throws(IOException::class) | ||
| fun remove(key: String) { | ||
| diskCache.remove(ShaUtils.sha256(key)) | ||
| } | ||
|
|
||
| /** | ||
| * 关闭缓存 | ||
| */ | ||
| @Throws(IOException::class) | ||
| fun close() { | ||
| diskCache.close() | ||
| } | ||
| } |
40 changes: 40 additions & 0 deletions
40
...on-api/src/main/kotlin/com/tencent/devops/common/api/factory/BkDiskLruFileCacheFactory.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /* | ||
| * Tencent is pleased to support the open source community by making BK-CI 蓝鲸持续集成平台 available. | ||
| * | ||
| * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved. | ||
| * | ||
| * BK-CI 蓝鲸持续集成平台 is licensed under the MIT license. | ||
| * | ||
| * A copy of the MIT License is included in this file. | ||
| * | ||
| * | ||
| * Terms of the MIT License: | ||
| * --------------------------------------------------- | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated | ||
| * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the | ||
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to | ||
| * permit persons to whom the Software is furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in all copies or substantial portions of | ||
| * the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT | ||
| * LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN | ||
| * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | ||
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | ||
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
| */ | ||
|
|
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| package com.tencent.devops.common.api.factory | ||
|
|
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| import com.tencent.devops.common.api.cache.BkDiskLruFileCache | ||
|
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| object BkDiskLruFileCacheFactory { | ||
|
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| fun getDiskLruFileCache( | ||
| cacheDir: String, | ||
| cacheSize: Long | ||
| ): BkDiskLruFileCache { | ||
| return BkDiskLruFileCache(cacheDir, cacheSize) | ||
| } | ||
| } |
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