Initial QSfera import

Server/vendor/github.com/ceph/go-ceph/rados/errors.go

@@ -0,0 +1,64 @@
+package rados
+
+/*
+#include <errno.h>
+*/
+import "C"
+
+import (
+	"errors"
+
+	"github.com/ceph/go-ceph/internal/errutil"
+)
+
+// Public go errors:
+
+var (
+	// ErrNotConnected is returned when functions are called
+	// without a RADOS connection.
+	ErrNotConnected = getError(-C.ENOTCONN)
+	// ErrEmptyArgument may be returned if a function argument is passed
+	// a zero-length slice or map.
+	ErrEmptyArgument = errors.New("Argument must contain at least one item")
+	// ErrInvalidIOContext may be returned if an api call requires an IOContext
+	// but IOContext is not ready for use.
+	ErrInvalidIOContext = errors.New("IOContext is not ready for use")
+	// ErrOperationIncomplete is returned from write op or read op steps for
+	// which the operation has not been performed yet.
+	ErrOperationIncomplete = errors.New("Operation has not been performed yet")
+
+	// ErrNotFound indicates a missing resource.
+	ErrNotFound = getError(-C.ENOENT)
+	// ErrPermissionDenied indicates a permissions issue.
+	ErrPermissionDenied = getError(-C.EPERM)
+	// ErrObjectExists indicates that an exclusive object creation failed.
+	ErrObjectExists = getError(-C.EEXIST)
+
+	// RadosErrorNotFound indicates a missing resource.
+	//
+	// Deprecated: use ErrNotFound instead
+	RadosErrorNotFound = ErrNotFound
+	// RadosErrorPermissionDenied indicates a permissions issue.
+	//
+	// Deprecated: use ErrPermissionDenied instead
+	RadosErrorPermissionDenied = ErrPermissionDenied
+
+	// Private errors:
+
+	errNameTooLong = getError(-C.ENAMETOOLONG)
+	errRange       = getError(-C.ERANGE)
+)
+
+func getError(errno C.int) error {
+	return errutil.GetError("rados", int(errno))
+}
+
+// getErrorIfNegative converts a ceph return code to error if negative.
+// This is useful for functions that return a usable positive value on
+// success but a negative error number on error.
+func getErrorIfNegative(ret C.int) error {
+	if ret >= 0 {
+		return nil
+	}
+	return getError(ret)
+}