initial code repo

[stor4nfv.git] / src / ceph / src / cls / refcount / cls_refcount_client.cc

diff --git a/src/ceph/src/cls/refcount/cls_refcount_client.cc b/src/ceph/src/cls/refcount/cls_refcount_client.cc
new file mode 100644 (file)
index 0000000..1c27a80
--- /dev/null
+++ b/src/ceph/src/cls/refcount/cls_refcount_client.cc
@@ -0,0 +1,60 @@
+#include <errno.h>
+
+#include "cls/refcount/cls_refcount_client.h"
+#include "cls/refcount/cls_refcount_ops.h"
+#include "include/rados/librados.hpp"
+
+using namespace librados;
+
+
+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 {
+    bufferlist::iterator iter = out.begin();
+    ::decode(ret, iter);
+  } catch (buffer::error& err) {
+    return -EIO;
+  }
+
+  *refs = ret.refs;
+
+  return r;
+}