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- package state
-
- import (
- "gitlink.org.cn/cloudream/common/pkgs/ioswitch/dag"
- "gitlink.org.cn/cloudream/common/utils/math2"
- "gitlink.org.cn/cloudream/jcs-pub/common/pkgs/ioswitch2"
- "gitlink.org.cn/cloudream/jcs-pub/common/pkgs/ioswitch2/ops2"
- )
-
- type IndexedStream struct {
- Stream *dag.StreamVar
- StreamIndex ioswitch2.StreamIndex
- }
-
- type GenerateState struct {
- Ft ioswitch2.FromTo
- DAG *ops2.GraphNodeBuilder
- // 为了产生所有To所需的数据范围,而需要From打开的范围。
- // 这个范围是基于整个文件的,且上下界都取整到条带大小的整数倍,因此上界是有可能超过文件大小的。
- StreamRange math2.Range
- IndexedStreams []IndexedStream
- UseEC bool // 是否使用纠删码
- UseSegment bool // 是否使用分段
- }
-
- func InitGenerateState(ft ioswitch2.FromTo) *GenerateState {
- return &GenerateState{
- Ft: ft,
- DAG: ops2.NewGraphNodeBuilder(),
- }
- }
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