Cloudreve/pkg/aria2/common/common.go
AaronLiu 056de22edb
Feat: aria2 download and transfer in slave node (#1040)
* Feat: retrieve nodes from data table

* Feat: master node ping slave node in REST API

* Feat: master send scheduled ping request

* Feat: inactive nodes recover loop

* Modify: remove database operations from aria2 RPC caller implementation

* Feat: init aria2 client in master node

* Feat: Round Robin load balancer

* Feat: create and monitor aria2 task in master node

* Feat: salve receive and handle heartbeat

* Fix: Node ID will be 0 in download record generated in older version

* Feat: sign request headers with all `X-` prefix

* Feat: API call to slave node will carry meta data in headers

* Feat: call slave aria2 rpc method from master

* Feat: get slave aria2 task status
Feat: encode slave response data using gob

* Feat: aria2 callback to master node / cancel or select task to slave node

* Fix: use dummy aria2 client when caller initialize failed in master node

* Feat: slave aria2 status event callback / salve RPC auth

* Feat: prototype for slave driven filesystem

* Feat: retry for init aria2 client in master node

* Feat: init request client with global options

* Feat: slave receive async task from master

* Fix: competition write in request header

* Refactor: dependency initialize order

* Feat: generic message queue implementation

* Feat: message queue implementation

* Feat: master waiting slave transfer result

* Feat: slave transfer file in stateless policy

* Feat: slave transfer file in slave policy

* Feat: slave transfer file in local policy

* Feat: slave transfer file in OneDrive policy

* Fix: failed to initialize update checker http client

* Feat: list slave nodes for dashboard

* Feat: test aria2 rpc connection in slave

* Feat: add and save node

* Feat: add and delete node in node pool

* Fix: temp file cannot be removed when aria2 task fails

* Fix: delete node in admin panel

* Feat: edit node and get node info

* Modify: delete unused settings
2021-10-31 09:41:56 +08:00

114 lines
2.7 KiB
Go

package common
import (
model "github.com/cloudreve/Cloudreve/v3/models"
"github.com/cloudreve/Cloudreve/v3/pkg/aria2/rpc"
"github.com/cloudreve/Cloudreve/v3/pkg/serializer"
)
// Aria2 离线下载处理接口
type Aria2 interface {
// Init 初始化客户端连接
Init() error
// CreateTask 创建新的任务
CreateTask(task *model.Download, options map[string]interface{}) (string, error)
// 返回状态信息
Status(task *model.Download) (rpc.StatusInfo, error)
// 取消任务
Cancel(task *model.Download) error
// 选择要下载的文件
Select(task *model.Download, files []int) error
// 获取离线下载配置
GetConfig() model.Aria2Option
// 删除临时下载文件
DeleteTempFile(*model.Download) error
}
const (
// URLTask 从URL添加的任务
URLTask = iota
// TorrentTask 种子任务
TorrentTask
)
const (
// Ready 准备就绪
Ready = iota
// Downloading 下载中
Downloading
// Paused 暂停中
Paused
// Error 出错
Error
// Complete 完成
Complete
// Canceled 取消/停止
Canceled
// Unknown 未知状态
Unknown
)
var (
// ErrNotEnabled 功能未开启错误
ErrNotEnabled = serializer.NewError(serializer.CodeNoPermissionErr, "离线下载功能未开启", nil)
// ErrUserNotFound 未找到下载任务创建者
ErrUserNotFound = serializer.NewError(serializer.CodeNotFound, "无法找到任务创建者", nil)
)
// DummyAria2 未开启Aria2功能时使用的默认处理器
type DummyAria2 struct {
}
func (instance *DummyAria2) Init() error {
return nil
}
// CreateTask 创建新任务,此处直接返回未开启错误
func (instance *DummyAria2) CreateTask(model *model.Download, options map[string]interface{}) (string, error) {
return "", ErrNotEnabled
}
// Status 返回未开启错误
func (instance *DummyAria2) Status(task *model.Download) (rpc.StatusInfo, error) {
return rpc.StatusInfo{}, ErrNotEnabled
}
// Cancel 返回未开启错误
func (instance *DummyAria2) Cancel(task *model.Download) error {
return ErrNotEnabled
}
// Select 返回未开启错误
func (instance *DummyAria2) Select(task *model.Download, files []int) error {
return ErrNotEnabled
}
// GetConfig 返回空的
func (instance *DummyAria2) GetConfig() model.Aria2Option {
return model.Aria2Option{}
}
// GetConfig 返回空的
func (instance *DummyAria2) DeleteTempFile(src *model.Download) error {
return ErrNotEnabled
}
// GetStatus 将给定的状态字符串转换为状态标识数字
func GetStatus(status string) int {
switch status {
case "complete":
return Complete
case "active":
return Downloading
case "waiting":
return Ready
case "paused":
return Paused
case "error":
return Error
case "removed":
return Canceled
default:
return Unknown
}
}