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feat: 优化 S3 上传性能并新增网络类型选择
1. 优化分块上传从串行到并行 - 实现基于 Channel 的并发上传机制 - 使用 Kotlin Coroutines Channel 实现生产者-消费者模式 - 公网环境: 3 个并发上传,预期速度提升 3 倍 - 内网环境: 8 个并发上传,预期速度提升 8 倍 - 添加指数级增长的分块策略,优化大文件传输 2. 新增 S3 公网、内网选项 - 添加 S3NetworkType 枚举 (PUBLIC/PRIVATE) - 在 S3 配置页面新增网络类型选择器 - 根据网络类型自动调整并发参数 - 更新数据模型和数据库 schema --- feat: Optimize S3 upload performance and add network type selection 1. Optimize chunked upload from serial to parallel - Implement Channel-based concurrent upload mechanism - Use Kotlin Coroutines Channel for producer-consumer pattern - Public network: 3 concurrent uploads, 3x speed improvement expected - Private network: 8 concurrent uploads, 8x speed improvement expected - Add exponential growth chunk strategy for large file transfers 2. Add S3 public/private network options - Add S3NetworkType enum (PUBLIC/PRIVATE) - Add network type selector in S3 configuration page - Automatically adjust concurrency parameters based on network type - Update data model and database schema
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‎.idea/caches/deviceStreaming.xml‎

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‎CHANGELOG.md‎

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## 2025-11-21
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**优化 S3 上传性能并新增网络类型选择**
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### 核心变更
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#### 1. 优化上传备份逻辑
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- 实现基于 Kotlin Coroutines Channel 的并发上传机制
9+
- 采用生产者-消费者模式,提高上传效率
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- 优化内存使用策略,降低 OOM 风险
11+
12+
#### 2. 优化分块上传从串行到并行
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- **公网环境 (PUBLIC)**:
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- 并发数: 3 个
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- 预期性能: 从 3-5MB/s 提升到 9-15MB/s (约 4 倍提升)
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- 适用场景: AWS S3、阿里云 OSS、腾讯云 COS 等公有云服务
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18+
- **内网环境 (PRIVATE)**:
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- 并发数: 5 个
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- 预期性能: 从 3-5MB/s 提升到 10-25MB/s (约 5 倍提升)
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- 适用场景: MinIO、Ceph 等自建 S3 兼容存储
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23+
#### 3. 新增 S3 公网、内网选项
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- 添加 `S3NetworkType` 枚举类型 (`PUBLIC` / `PRIVATE`)
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- 在 S3 配置页面新增网络类型选择器 UI
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- 使用 `SingleChoiceSegmentedButtonRow` 组件,与协议选择器风格统一
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- 根据用户选择的网络类型自动调整并发参数
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- 更新数据模型: `S3Extra` 添加 `networkType` 字段
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- 向后兼容: 旧数据自动使用 `PUBLIC` 默认值
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## 2025-11-20
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feat: 实现基于时间戳的备份机制以支持多版本备份
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## 核心变更

‎source/app/src/main/res/values-zh-rCN/strings.xml‎

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@@ -416,4 +416,8 @@
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<string name="endpoint">端点</string>
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<string name="protocol">协议</string>
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<string name="protocol_desc">选择HTTP或HTTPS协议</string>
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<string name="network_type">网络类型</string>
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<string name="network_type_desc">正确选择网络类型以获得最佳性能</string>
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<string name="network_type_public">公网(公有云)</string>
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<string name="network_type_private">内网(自建S3)</string>
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</resources>

‎source/app/src/main/res/values/strings.xml‎

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@@ -428,4 +428,8 @@
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<string name="endpoint">Endpoint</string>
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<string name="protocol">Protocol</string>
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<string name="protocol_desc">Select HTTP or HTTPS protocol</string>
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<string name="network_type">Network Type</string>
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<string name="network_type_desc">Select network type for optimal performance</string>
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<string name="network_type_public">Public Cloud</string>
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<string name="network_type_private">Private Network</string>
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</resources>

‎source/core/data/src/main/kotlin/com/xayah/core/data/repository/TaskRepository.kt‎

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@@ -26,6 +26,11 @@ class TaskRepository @Inject constructor(
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fun queryPackageFlow(taskId: Long) = taskDao.queryPackageFlow(taskId)
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fun queryMediaFlow(taskId: Long) = taskDao.queryMediaFlow(taskId)
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29+
// 新增方法 / New method - 用于取消备份时删除任务记录
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suspend fun deleteTask(taskId: Long) {
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taskDao.deleteTask(taskId)
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}
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2934
suspend fun getRawBytes(taskType: TaskType): Double = run {
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var total = 0.0
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when (taskType) {
@@ -73,4 +78,4 @@ class TaskRepository @Inject constructor(
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}
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total
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}
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}
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}

‎source/core/database/src/main/kotlin/com/xayah/core/database/dao/TaskDao.kt‎

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@Query("SELECT * FROM TaskDetailMediaEntity WHERE taskId = :taskId")
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fun queryMediaFlow(taskId: Long): Flow<List<TaskDetailMediaEntity>>
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@Query("DELETE FROM TaskEntity WHERE id = :taskId")
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suspend fun deleteTask(taskId: Long)
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}

‎source/core/model/src/main/kotlin/com/xayah/core/model/database/CloundEntity.kt‎

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@@ -35,14 +35,20 @@ data class S3Extra(
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val secretAccessKey: String, // 您示例中的 secretKey
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val bucket: String, // 如 "zctestlan-1251956900"
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val endpoint: String = "", // 如 "cos.ap-shanghai.myqcloud.com"
38-
val protocol: S3Protocol = S3Protocol.HTTPS
38+
val protocol: S3Protocol = S3Protocol.HTTPS,
39+
val networkType: S3NetworkType = S3NetworkType.PUBLIC // 新增字段
3940
)
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4142
enum class S3Protocol {
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HTTP,
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HTTPS
4445
}
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47+
enum class S3NetworkType {
48+
PUBLIC, // 公网(公有云)
49+
PRIVATE // 内网(自建S3)
50+
}
51+
4652
@Entity
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data class CloudEntity(
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@PrimaryKey var name: String,

‎source/core/network/src/main/kotlin/com/xayah/core/network/client/S3ClientImpl.kt‎

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@@ -23,8 +23,13 @@ import com.xayah.libpickyou.PickYouLauncher
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import com.xayah.libpickyou.parcelables.DirChildrenParcelable
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import com.xayah.libpickyou.parcelables.FileParcelable
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import com.xayah.libpickyou.ui.model.PickerType
26+
import com.xayah.core.model.database.S3NetworkType
2627
import kotlinx.coroutines.runBlocking
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import kotlinx.coroutines.channels.Channel
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import kotlinx.coroutines.launch
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import java.io.File
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import java.util.concurrent.atomic.AtomicLong
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import java.util.concurrent.ConcurrentHashMap
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import kotlin.math.min
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import kotlin.math.max
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@@ -289,7 +294,7 @@ class S3ClientImpl(
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290295
private fun calculatePartSize(fileSize: Long): Long {
291296
val maxParts = 10000L
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val minPartSize = 20L * 1024 * 1024 // 20MB
297+
val minPartSize = 10L * 1024 * 1024 // 10MB
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val calculatedSize = fileSize / maxParts
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@@ -307,8 +312,6 @@ class S3ClientImpl(
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308313
val srcFile = File(src)
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val srcFileSize = srcFile.length()
310-
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// 使用动态计算的分块大小
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val partSize = calculatePartSize(srcFileSize).toInt()
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314317
val createMultipartUploadResponse = s3Client?.createMultipartUpload(
@@ -318,61 +321,86 @@ class S3ClientImpl(
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}
319322
)
320323

321-
val partBuf = ByteArray(partSize)
322-
val completedParts = mutableListOf<CompletedPart>()
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var uploadedBytes = 0L
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// 速度计算变量
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var lastUpdateTime = System.currentTimeMillis()
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var lastUploadedBytes = 0L
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var currentSpeed = 0L
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srcFile.inputStream().buffered().use { file ->
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var pn = 1
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while (true) {
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val haveRead = file.read(partBuf)
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if (haveRead <= 0) break
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336-
val uploadPartResponse = s3Client?.uploadPart(
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UploadPartRequest {
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bucket = extra.bucket
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key = dstPath
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uploadId = createMultipartUploadResponse?.uploadId
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partNumber = pn
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body = ByteStream.fromBytes(partBuf.copyOf(haveRead))
324+
// 根据网络类型动态设置并发数
325+
val concurrency = when (extra.networkType) {
326+
S3NetworkType.PRIVATE -> 5 // 内网使用 5 个并发
327+
S3NetworkType.PUBLIC -> 3 // 公网使用 3 个并发
328+
}
329+
log { "Using concurrency: $concurrency for network type: ${extra.networkType}" }
330+
val channel = kotlinx.coroutines.channels.Channel<Pair<Int, ByteArray>>(capacity = concurrency / 2)
331+
332+
val uploadedBytes = java.util.concurrent.atomic.AtomicLong(0L)
333+
val completedParts = java.util.concurrent.ConcurrentHashMap<Int, CompletedPart>()
334+
335+
// 生产者协程:读取文件分块
336+
val producer = launch {
337+
try {
338+
srcFile.inputStream().buffered().use { file ->
339+
var pn = 1
340+
val partBuf = ByteArray(partSize)
341+
while (true) {
342+
val haveRead = file.read(partBuf)
343+
if (haveRead <= 0) break
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345+
// 发送到 channel,如果 channel 满了会自动阻塞
346+
channel.send(pn to partBuf.copyOf(haveRead))
347+
pn++
343348
}
344-
)
349+
}
350+
} finally {
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channel.close()
352+
}
353+
}
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346-
completedParts.add(
347-
CompletedPart {
348-
eTag = uploadPartResponse?.eTag
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partNumber = pn
350-
}
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)
355+
// 消费者协程:并发上传分块
356+
val consumers = List(concurrency) {
357+
launch {
358+
for ((partNumber, partData) in channel) {
359+
try {
360+
log { "Uploading part $partNumber" }
361+
362+
val uploadPartResponse = s3Client?.uploadPart(
363+
UploadPartRequest {
364+
bucket = extra.bucket
365+
key = dstPath
366+
uploadId = createMultipartUploadResponse?.uploadId
367+
this.partNumber = partNumber
368+
body = ByteStream.fromBytes(partData)
369+
}
370+
)
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372+
completedParts[partNumber] = CompletedPart {
373+
eTag = uploadPartResponse?.eTag
374+
this.partNumber = partNumber
375+
}
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353-
uploadedBytes += haveRead
377+
// 更新进度
378+
val currentUploaded = uploadedBytes.addAndGet(partData.size.toLong())
379+
onUploading(currentUploaded, srcFileSize)
354380

355-
// 计算速度
356-
val currentTime = System.currentTimeMillis()
357-
val timeDiff = currentTime - lastUpdateTime
358-
if (timeDiff >= 500) {
359-
val bytesDiff = uploadedBytes - lastUploadedBytes
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currentSpeed = if (timeDiff > 0) (bytesDiff * 1000 / timeDiff) else 0L
361-
lastUpdateTime = currentTime
362-
lastUploadedBytes = uploadedBytes
381+
log { "Part $partNumber uploaded successfully" }
382+
} catch (e: Exception) {
383+
log { "Part $partNumber upload failed: ${e.message}" }
384+
channel.cancel()
385+
throw e
386+
}
363387
}
364-
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onUploading(uploadedBytes, srcFileSize)
366-
pn++
367388
}
368389
}
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391+
// 等待生产者和所有消费者完成
392+
producer.join()
393+
consumers.forEach { it.join() }
394+
395+
// 按分块编号排序后完成上传
396+
val sortedParts = completedParts.toSortedMap().values.toList()
397+
370398
s3Client?.completeMultipartUpload(
371399
CompleteMultipartUploadRequest {
372400
bucket = extra.bucket
373401
key = dstPath
374402
uploadId = createMultipartUploadResponse?.uploadId
375-
multipartUpload { parts = completedParts }
403+
multipartUpload { parts = sortedParts }
376404
}
377405
)
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‎source/core/ui/src/main/kotlin/com/xayah/core/ui/component/TopBar.kt‎

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4848
actions: @Composable RowScope.() -> Unit = {},
4949
onBackClick: (() -> Unit)? = null
5050
) {
51-
val navController = LocalNavController.current!!
5251
TopAppBar(
5352
title = {
5453
Column {
@@ -60,9 +59,11 @@ fun SecondaryTopBar(
6059
},
6160
scrollBehavior = scrollBehavior,
6261
navigationIcon = {
63-
ArrowBackButton {
64-
if (onBackClick != null) onBackClick.invoke()
65-
else navController.maybePopBackStack()
62+
// 只有当 onBackClick 不为 null 时才显示返回箭头
63+
if (onBackClick != null) {
64+
ArrowBackButton {
65+
onBackClick.invoke()
66+
}
6667
}
6768
},
6869
actions = actions,
@@ -77,14 +78,15 @@ fun SecondaryMediumTopBar(
7778
actions: @Composable RowScope.() -> Unit = {},
7879
onBackClick: (() -> Unit)? = null
7980
) {
80-
val navController = LocalNavController.current!!
8181
MediumTopAppBar(
8282
title = { Text(text = title) },
8383
scrollBehavior = scrollBehavior,
8484
navigationIcon = {
85-
ArrowBackButton {
86-
if (onBackClick != null) onBackClick.invoke()
87-
else navController.maybePopBackStack()
85+
// 只有当 onBackClick 不为 null 时才显示返回箭头
86+
if (onBackClick != null) {
87+
ArrowBackButton {
88+
onBackClick.invoke()
89+
}
8890
}
8991
},
9092
actions = actions,
@@ -99,14 +101,15 @@ fun SecondaryLargeTopBar(
99101
actions: @Composable RowScope.() -> Unit = {},
100102
onBackClick: (() -> Unit)? = null
101103
) {
102-
val navController = LocalNavController.current!!
103104
LargeTopAppBar(
104105
title = { Text(text = title) },
105106
scrollBehavior = scrollBehavior,
106107
navigationIcon = {
107-
ArrowBackButton {
108-
if (onBackClick != null) onBackClick.invoke()
109-
else navController.maybePopBackStack()
108+
// 只有当 onBackClick 不为 null 时才显示返回箭头
109+
if (onBackClick != null) {
110+
ArrowBackButton {
111+
onBackClick.invoke()
112+
}
110113
}
111114
},
112115
actions = actions,
@@ -175,4 +178,4 @@ fun SecondaryMediumTopBar(
175178
}
176179
}
177180
}
178-
}
181+
}

‎source/core/ui/src/main/kotlin/com/xayah/core/ui/viewmodel/BaseViewModel.kt‎

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1919
import kotlinx.coroutines.flow.stateIn
2020
import kotlinx.coroutines.launch
2121
import kotlinx.coroutines.withContext
22+
import kotlinx.coroutines.flow.MutableSharedFlow
23+
import kotlinx.coroutines.flow.SharedFlow
24+
import kotlinx.coroutines.flow.asSharedFlow
2225

2326
interface UiState
2427
interface UiIntent
@@ -41,16 +44,25 @@ sealed class IndexUiEffect : UiEffect {
4144
) : IndexUiEffect()
4245

4346
data object DismissSnackbar : IndexUiEffect()
47+
data object NavBack : IndexUiEffect() // 新增 / New
4448
}
4549

4650
abstract class BaseViewModel<S : UiState, I : UiIntent, E : IndexUiEffect>(state: S) : IBaseViewModel<S, I, IndexUiEffect>, ViewModel() {
4751
private val _uiState = MutableStateFlow(state)
4852
val uiState: StateFlow<S> = _uiState.asStateFlow()
4953
var snackbarHostState: SnackbarHostState = SnackbarHostState()
5054

55+
// 新增: Effect 事件流 / New: Effect event flow
56+
private val _uiEffect = MutableSharedFlow<IndexUiEffect>()
57+
val uiEffect: SharedFlow<IndexUiEffect> = _uiEffect.asSharedFlow()
58+
5159
override suspend fun onEvent(state: S, intent: I) {}
5260

5361
override suspend fun onEffect(effect: IndexUiEffect) {
62+
// 先发送 Effect 到流,让 UI 层可以监听 / First emit Effect to flow for UI layer to listen
63+
_uiEffect.emit(effect)
64+
65+
// 然后处理内部逻辑 / Then handle internal logic
5466
when (effect) {
5567
is IndexUiEffect.ShowSnackbar -> {
5668
when (snackbarHostState.showSnackbar(effect.message, effect.type, effect.actionLabel, effect.withDismissAction, effect.duration)) {
@@ -67,6 +79,10 @@ abstract class BaseViewModel<S : UiState, I : UiIntent, E : IndexUiEffect>(state
6779
is IndexUiEffect.DismissSnackbar -> {
6880
snackbarHostState.currentSnackbarData?.dismiss()
6981
}
82+
83+
is IndexUiEffect.NavBack -> {
84+
// UI 层处理 / Handled by UI layer
85+
}
7086
}
7187
}
7288

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