mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-14 02:10:21 +00:00
0d1c2aa983
This commit update go-ceph to v0.13.0 and change CEPH_VERSION in build.env to pacific. Signed-off-by: Rakshith R <rar@redhat.com>
85 lines
2.0 KiB
Go
85 lines
2.0 KiB
Go
package rados
|
|
|
|
// #cgo LDFLAGS: -lrados
|
|
// #include <errno.h>
|
|
// #include <stdlib.h>
|
|
// #include <rados/librados.h>
|
|
//
|
|
import "C"
|
|
|
|
import (
|
|
"unsafe"
|
|
)
|
|
|
|
// ReadOp manages a set of discrete object read actions that will be performed
|
|
// together atomically.
|
|
type ReadOp struct {
|
|
operation
|
|
op C.rados_read_op_t
|
|
}
|
|
|
|
// CreateReadOp returns a newly constructed read operation.
|
|
func CreateReadOp() *ReadOp {
|
|
return &ReadOp{
|
|
op: C.rados_create_read_op(),
|
|
}
|
|
}
|
|
|
|
// Release the resources associated with this read operation.
|
|
func (r *ReadOp) Release() {
|
|
C.rados_release_read_op(r.op)
|
|
r.op = nil
|
|
r.free()
|
|
}
|
|
|
|
// Operate will perform the operation(s).
|
|
func (r *ReadOp) Operate(ioctx *IOContext, oid string, flags OperationFlags) error {
|
|
if err := ioctx.validate(); err != nil {
|
|
return err
|
|
}
|
|
|
|
cOid := C.CString(oid)
|
|
defer C.free(unsafe.Pointer(cOid))
|
|
|
|
ret := C.rados_read_op_operate(r.op, ioctx.ioctx, cOid, C.int(flags))
|
|
return r.update(readOp, ret)
|
|
}
|
|
|
|
func (r *ReadOp) operateCompat(ioctx *IOContext, oid string) error {
|
|
switch err := r.Operate(ioctx, oid, OperationNoFlag).(type) {
|
|
case nil:
|
|
return nil
|
|
case OperationError:
|
|
return err.OpError
|
|
default:
|
|
return err
|
|
}
|
|
}
|
|
|
|
// AssertExists assures the object targeted by the read op exists.
|
|
//
|
|
// Implements:
|
|
// void rados_read_op_assert_exists(rados_read_op_t read_op);
|
|
func (r *ReadOp) AssertExists() {
|
|
C.rados_read_op_assert_exists(r.op)
|
|
}
|
|
|
|
// GetOmapValues is used to iterate over a set, or sub-set, of omap keys
|
|
// as part of a read operation. An GetOmapStep is returned from this
|
|
// function. The GetOmapStep may be used to iterate over the key-value
|
|
// pairs after the Operate call has been performed.
|
|
func (r *ReadOp) GetOmapValues(startAfter, filterPrefix string, maxReturn uint64) *GetOmapStep {
|
|
gos := newGetOmapStep(startAfter, filterPrefix, maxReturn)
|
|
r.steps = append(r.steps, gos)
|
|
C.rados_read_op_omap_get_vals2(
|
|
r.op,
|
|
gos.cStartAfter,
|
|
gos.cFilterPrefix,
|
|
C.uint64_t(gos.maxReturn),
|
|
&gos.iter,
|
|
gos.more,
|
|
gos.rval,
|
|
)
|
|
return gos
|
|
}
|