vfs.c File Reference

Functions
dpl_status_t	dpl_opendir (dpl_ctx_t *ctx, const char *locator, void **dir_hdlp)
	open a directory More...
dpl_status_t	dpl_pwrite (dpl_vfile_t *vfile, char *buf, unsigned int len, unsigned long long offset)
	Write to a dpl_vfile_t* at a given offset. More...
dpl_status_t	dpl_pread (dpl_vfile_t *vfile, unsigned int len, unsigned long long offset, char **bufp, int *buf_lenp)
	Read from a dpl_vfile_t* at a given offset. More...
dpl_status_t	dpl_open (dpl_ctx_t *ctx, const char *locator, dpl_vfile_flag_t flag, dpl_option_t *option, dpl_condition_t *condition, dpl_dict_t *metadata, dpl_sysmd_t *sysmd, dpl_dict_t *query_params, dpl_vfile_t **vfilep)
	Open a file. More...
dpl_status_t	dpl_fput (dpl_ctx_t *ctx, const char *locator, dpl_option_t *option, dpl_condition_t *condition, dpl_range_t *range, dpl_dict_t *metadata, dpl_sysmd_t *sysmd, char *data_buf, unsigned int data_len)
	put a blob More...
dpl_status_t	dpl_fget (dpl_ctx_t *ctx, const char *locator, const dpl_option_t *option, const dpl_condition_t *condition, const dpl_range_t *range, char **data_bufp, unsigned int *data_lenp, dpl_dict_t **metadatap, dpl_sysmd_t *sysmdp)
	get a blob More...
dpl_status_t	dpl_fcopy (dpl_ctx_t *ctx, const char *src_locator, const char *dst_locator)
	server side copy More...

Function Documentation

dpl_status_t dpl_fcopy	(	dpl_ctx_t *	ctx,
		const char *	src_locator,
		const char *	dst_locator
	)

Parameters

ctx
src_locator
dst_locator

Returns

dpl_status_t dpl_fget	(	dpl_ctx_t *	ctx,
		const char *	locator,
		const dpl_option_t *	option,
		const dpl_condition_t *	condition,
		const dpl_range_t *	range,
		char **	data_bufp,
		unsigned int *	data_lenp,
		dpl_dict_t **	metadatap,
		dpl_sysmd_t *	sysmdp
	)

Parameters

ctx
locator
option
condition
range	if not NULL then get range
metadata
sysmd
data_len

Returns

DPL_SUCCESS

DPL_FAILURE

dpl_status_t dpl_fput	(	dpl_ctx_t *	ctx,
		const char *	locator,
		dpl_option_t *	option,
		dpl_condition_t *	condition,
		dpl_range_t *	range,
		dpl_dict_t *	metadata,
		dpl_sysmd_t *	sysmd,
		char *	data_buf,
		unsigned int	data_len
	)

Parameters

ctx
locator
option
condition
range	if not NULL then put range
metadata
sysmd
data_len

Returns

DPL_SUCCESS

DPL_FAILURE

dpl_status_t dpl_open	(	dpl_ctx_t *	ctx,
		const char *	locator,
		dpl_vfile_flag_t	flag,
		dpl_option_t *	option,
		dpl_condition_t *	condition,
		dpl_dict_t *	metadata,
		dpl_sysmd_t *	sysmd,
		dpl_dict_t *	query_params,
		dpl_vfile_t **	vfilep
	)

Parameters

ctx
locator
flag
condition
metadata
sysmd
query_params
vfilep

Returns

dpl_status_t

dpl_status_t dpl_opendir	(	dpl_ctx_t *	ctx,
		const char *	locator,
		void **	dir_hdlp
	)

Parameters

ctx
locator	[bucket:]path
dir_hdlp

Returns

dpl_status_t dpl_pread	(	dpl_vfile_t *	vfile,
		unsigned int	len,
		unsigned long long	offset,
		char **	bufp,
		int *	buf_lenp
	)

XXX todo check DPL_CAP_GET_RANGE

Parameters

	vfile
	len	offset
[out]	bufp
[out]	buf_lenp
[out]	metadatap
[out]	sysmdp

Returns

dpl_status_t

dpl_status_t dpl_pwrite	(	dpl_vfile_t *	vfile,
		char *	buf,
		unsigned int	len,
		unsigned long long	offset
	)

XXX todo check DPL_CAP_PUT_RANGE

Parameters

vfile
buf
len
offset
metadata
sysmd

Returns

dpl_status_t