Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 65 insertions, 0 deletions

diff --git a/src/cls/refcount/cls_refcount_client.cc b/src/cls/refcount/cls_refcount_client.cc
new file mode 100644
index 000000000..f65a0fe32
--- /dev/null
+++ b/src/cls/refcount/cls_refcount_client.cc
@@ -0,0 +1,65 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include <errno.h>
+
+#include "cls/refcount/cls_refcount_client.h"
+#include "cls/refcount/cls_refcount_ops.h"
+#include "include/rados/librados.hpp"
+
+using std::list;
+using std::string;
+
+using ceph::bufferlist;
+
+void cls_refcount_get(librados::ObjectWriteOperation& op, const string& tag, bool implicit_ref)
+{
+  bufferlist in;
+  cls_refcount_get_op call;
+  call.tag = tag;
+  call.implicit_ref = implicit_ref;
+  encode(call, in);
+  op.exec("refcount", "get", in);
+}
+
+void cls_refcount_put(librados::ObjectWriteOperation& op, const string& tag, bool implicit_ref)
+{
+  bufferlist in;
+  cls_refcount_put_op call;
+  call.tag = tag;
+  call.implicit_ref = implicit_ref;
+  encode(call, in);
+  op.exec("refcount", "put", in);
+}
+
+void cls_refcount_set(librados::ObjectWriteOperation& op, list<string>& refs)
+{
+  bufferlist in;
+  cls_refcount_set_op call;
+  call.refs = refs;
+  encode(call, in);
+  op.exec("refcount", "set", in);
+}
+
+int cls_refcount_read(librados::IoCtx& io_ctx, string& oid, list<string> *refs, bool implicit_ref)
+{
+  bufferlist in, out;
+  cls_refcount_read_op call;
+  call.implicit_ref = implicit_ref;
+  encode(call, in);
+  int r = io_ctx.exec(oid, "refcount", "read", in, out);
+  if (r < 0)
+    return r;
+
+  cls_refcount_read_ret ret;
+  try {
+    auto iter = out.cbegin();
+    decode(ret, iter);
+  } catch (ceph::buffer::error& err) {
+    return -EIO;
+  }
+
+  *refs = ret.refs;
+
+  return r;
+}