当前位置: 首页>>代码示例>>Golang>>正文


Golang file2.BlockDevice类代码示例

本文整理汇总了Golang中file-structures/block/file2.BlockDevice的典型用法代码示例。如果您正苦于以下问题:Golang BlockDevice类的具体用法?Golang BlockDevice怎么用?Golang BlockDevice使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了BlockDevice类的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: new_list_block

func new_list_block(file file.BlockDevice, new_list bool) (self *list_block, err error) {
	key, err := file.Allocate()
	if err != nil {
		return nil, err
	}
	bytes := make(bs.ByteSlice, file.BlockSize())
	data := bytes[LIST_HEADER_LEN:]
	var header *list_header
	if new_list {
		header = &list_header{
			next:         0,
			head:         key,
			tail:         key,
			insert_point: key + LIST_HEADER_LEN,
			block_count:  1,
			list_length:  0,
		}
	} else {
		header = &list_header{next: 0}
	}
	self = &list_block{
		file:   file,
		key:    key,
		bytes:  bytes,
		data:   data,
		header: header,
	}
	return self, nil
}
开发者ID:timtadh,项目名称:file-structures,代码行数:29,代码来源:list.go

示例2: allocBlock

func allocBlock(file file.BlockDevice) (blk *block, err error) {
	key, err := file.Allocate()
	if err != nil {
		return nil, err
	}
	size := file.BlockSize()
	bytes := make(bs.ByteSlice, size)
	return load_block(key, bytes), nil
}
开发者ID:timtadh,项目名称:file-structures,代码行数:9,代码来源:block.go

示例3: readBlock

func readBlock(file file.BlockDevice, key int64) (blk *block, err error) {
	bytes, err := file.ReadBlock(key)
	if err != nil {
		return nil, err
	}
	return load_block(key, bytes), err
}
开发者ID:timtadh,项目名称:file-structures,代码行数:7,代码来源:block.go

示例4: allocBlock

func allocBlock(file file.BlockDevice) (blk *block, err error) {
	key, err := file.Allocate()
	if err != nil {
		return nil, err
	}
	size := file.BlockSize()
	offset := size - METADATASIZE
	bytes := make(bs.ByteSlice, size)
	blk = &block{
		key:      key,
		block:    bytes,
		data:     bytes[:offset],
		metadata: bytes[offset:],
	}
	// fmt.Println("allocated", key)
	return blk, nil
}
开发者ID:timtadh,项目名称:file-structures,代码行数:17,代码来源:varchar.go

示例5: load_list_block

func load_list_block(file file.BlockDevice, key int64) (self *list_block, err error) {
	bytes, err := file.ReadBlock(key)
	if err != nil {
		return nil, err
	}
	data := bytes[LIST_HEADER_LEN:]
	header := load_list_header(bytes)
	self = &list_block{
		file:   file,
		key:    key,
		bytes:  bytes,
		data:   data,
		header: header,
	}
	return self, nil
}
开发者ID:timtadh,项目名称:file-structures,代码行数:16,代码来源:list.go

示例6: WriteBlock

func (self *block) WriteBlock(file file.BlockDevice) error {
	return file.WriteBlock(self.key, self.block)
}
开发者ID:timtadh,项目名称:file-structures,代码行数:3,代码来源:block.go

示例7: datasize

func datasize(file file.BlockDevice) int64 {
	return int64(file.BlockSize()) - METADATASIZE
}
开发者ID:timtadh,项目名称:file-structures,代码行数:3,代码来源:varchar.go


注:本文中的file-structures/block/file2.BlockDevice类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。