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33 lines
657 B
Go
33 lines
657 B
Go
package base
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// 对应协议的下载支持
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type Fetcher interface {
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Setup(ctl Controller)
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// 解析请求
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Resolve(req *Request) (res *Resource, err error)
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// 创建任务
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Create(res *Resource, opts *Options) (err error)
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Start() (err error)
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Pause() (err error)
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Continue() (err error)
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// 获取任务下载进度
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Progress() Progress
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// 该方法会一直阻塞，直到任务下载结束
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Wait() (err error)
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}
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type DefaultFetcher struct {
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Ctl Controller
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DoneCh chan error
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}
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func (f *DefaultFetcher) Setup(ctl Controller) {
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f.Ctl = ctl
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f.DoneCh = make(chan error, 1)
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}
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func (f *DefaultFetcher) Wait() (err error) {
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return <-f.DoneCh
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}
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