mirror of https://github.com/ceph/go-ceph
107 lines
2.7 KiB
Go
107 lines
2.7 KiB
Go
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//go:build ceph_preview
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package striper
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// #cgo LDFLAGS: -lrados -lradosstriper
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// #include <stdlib.h>
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// #include <radosstriper/libradosstriper.h>
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import "C"
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import "unsafe"
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// Write bytes from data into the striped object at the specified offset.
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//
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// Implements:
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//
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// int rados_striper_write(rados_striper_t striper,
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// const char *soid,
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// const char *buf,
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// size_t len,
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// uint64_t off);
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func (s *Striper) Write(soid string, data []byte, offset uint64) error {
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csoid := C.CString(soid)
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defer C.free(unsafe.Pointer(csoid))
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bufptr := (*C.char)(unsafe.Pointer(&data[0]))
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ret := C.rados_striper_write(
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s.striper,
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csoid,
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bufptr,
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C.size_t(len(data)),
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C.uint64_t(offset))
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return getError(ret)
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}
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// WriteFull writes all of the bytes in data to the striped object, truncating
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// the object to the length of data.
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//
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// Implements:
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//
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// int rados_striper_write_full(rados_striper_t striper,
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// const char *soid,
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// const char *buf,
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// size_t len);
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func (s *Striper) WriteFull(soid string, data []byte) error {
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csoid := C.CString(soid)
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defer C.free(unsafe.Pointer(csoid))
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bufptr := (*C.char)(unsafe.Pointer(&data[0]))
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ret := C.rados_striper_write_full(
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s.striper,
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csoid,
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bufptr,
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C.size_t(len(data)))
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return getError(ret)
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}
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// Append the bytes in data to the end of the striped object.
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//
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// Implements:
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//
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// int rados_striper_append(rados_striper_t striper,
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// const char *soid,
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// const char *buf,
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// size_t len);
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func (s *Striper) Append(soid string, data []byte) error {
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csoid := C.CString(soid)
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defer C.free(unsafe.Pointer(csoid))
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bufptr := (*C.char)(unsafe.Pointer(&data[0]))
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ret := C.rados_striper_append(
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s.striper,
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csoid,
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bufptr,
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C.size_t(len(data)))
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return getError(ret)
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}
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// Remove a striped RADOS object.
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//
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// Implements:
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//
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// int rados_striper_remove(rados_striper_t striper,
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// const char *soid);
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func (s *Striper) Remove(soid string) error {
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csoid := C.CString(soid)
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defer C.free(unsafe.Pointer(csoid))
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ret := C.rados_striper_remove(s.striper, csoid)
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return getError(ret)
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}
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// Truncate a striped object, setting it to the specified size.
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//
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// Implements:
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//
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// int rados_striper_trunc(rados_striper_t striper, const char *soid, uint64_t size);
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func (s *Striper) Truncate(soid string, size uint64) error {
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csoid := C.CString(soid)
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defer C.free(unsafe.Pointer(csoid))
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ret := C.rados_striper_trunc(
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s.striper,
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csoid,
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C.uint64_t(size))
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return getError(ret)
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}
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