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cloudreve/service/aria2/add.go

101 lines
3.0 KiB

package aria2
import (
model "github.com/cloudreve/Cloudreve/v3/models"
"github.com/cloudreve/Cloudreve/v3/pkg/aria2"
"github.com/cloudreve/Cloudreve/v3/pkg/aria2/common"
"github.com/cloudreve/Cloudreve/v3/pkg/aria2/monitor"
"github.com/cloudreve/Cloudreve/v3/pkg/cluster"
"github.com/cloudreve/Cloudreve/v3/pkg/filesystem"
"github.com/cloudreve/Cloudreve/v3/pkg/mq"
"github.com/cloudreve/Cloudreve/v3/pkg/serializer"
"github.com/cloudreve/Cloudreve/v3/pkg/slave"
"github.com/cloudreve/Cloudreve/v3/pkg/util"
"github.com/gin-gonic/gin"
)
// AddURLService 添加URL离线下载服务
type AddURLService struct {
URL string `json:"url" binding:"required"`
Dst string `json:"dst" binding:"required,min=1"`
}
// Add 主机创建新的链接离线下载任务
func (service *AddURLService) Add(c *gin.Context, taskType int) serializer.Response {
// 创建文件系统
fs, err := filesystem.NewFileSystemFromContext(c)
if err != nil {
return serializer.Err(serializer.CodePolicyNotAllowed, err.Error(), err)
}
defer fs.Recycle()
// 检查用户组权限
if !fs.User.Group.OptionsSerialized.Aria2 {
return serializer.Err(serializer.CodeGroupNotAllowed, "当前用户组无法进行此操作", nil)
}
// 存放目录是否存在
if exist, _ := fs.IsPathExist(service.Dst); !exist {
return serializer.Err(serializer.CodeNotFound, "存放路径不存在", nil)
}
// 创建任务
task := &model.Download{
Status: common.Ready,
Type: taskType,
Dst: service.Dst,
UserID: fs.User.ID,
Source: service.URL,
}
// 获取 Aria2 负载均衡器
aria2.Lock.RLock()
lb := aria2.LB
aria2.Lock.RUnlock()
// 获取 Aria2 实例
err, node := cluster.Default.BalanceNodeByFeature("aria2", lb)
if err != nil {
return serializer.Err(serializer.CodeInternalSetting, "Aria2 实例获取失败", err)
}
// 创建任务
gid, err := node.GetAria2Instance().CreateTask(task, fs.User.Group.OptionsSerialized.Aria2Options)
if err != nil {
return serializer.Err(serializer.CodeNotSet, "任务创建失败", err)
}
task.GID = gid
task.NodeID = node.ID()
_, err = task.Create()
if err != nil {
return serializer.DBErr("任务创建失败", err)
}
// 创建任务监控
monitor.NewMonitor(task)
return serializer.Response{}
}
// Add 从机创建新的链接离线下载任务
func Add(c *gin.Context, service *serializer.SlaveAria2Call) serializer.Response {
caller, _ := c.Get("MasterAria2Instance")
// 创建任务
gid, err := caller.(common.Aria2).CreateTask(service.Task, service.GroupOptions)
if err != nil {
return serializer.Err(serializer.CodeInternalSetting, "无法创建离线下载任务", err)
}
// 创建事件通知回调
siteID, _ := c.Get("MasterSiteID")
mq.GlobalMQ.SubscribeCallback(gid, func(message mq.Message) {
if err := slave.DefaultController.SendNotification(siteID.(string), message.TriggeredBy, message); err != nil {
util.Log().Warning("无法发送离线下载任务状态变更通知, %s", err)
}
})
return serializer.Response{Data: gid}
}