1 files changed, 62 insertions, 0 deletions
diff --git a/src/cls/cas/cls_cas_client.cc b/src/cls/cas/cls_cas_client.cc
new file mode 100644
index 00000000..b041641f
--- /dev/null
+++ b/src/cls/cas/cls_cas_client.cc
@@ -0,0 +1,62 @@
+#include <errno.h>
+
+#include "cls/cas/cls_cas_client.h"
+#include "cls/cas/cls_cas_ops.h"
+#include "include/rados/librados.hpp"
+
+using namespace librados;
+
+void cls_chunk_refcount_get(librados::ObjectWriteOperation& op, const hobject_t& soid)
+{
+  bufferlist in;
+  cls_chunk_refcount_get_op call;
+  call.source = soid;
+  encode(call, in);
+  op.exec("cas", "chunk_get", in);
+}
+
+void cls_chunk_refcount_put(librados::ObjectWriteOperation& op, const hobject_t& soid)
+{
+  bufferlist in;
+  cls_chunk_refcount_put_op call;
+  call.source = soid;
+  encode(call, in);
+  op.exec("cas", "chunk_put", in);
+}
+
+void cls_chunk_refcount_set(librados::ObjectWriteOperation& op, set<hobject_t>& refs)
+{
+  bufferlist in;
+  cls_chunk_refcount_set_op call;
+  call.refs = refs;
+  encode(call, in);
+  op.exec("cas", "chunk_set", in);
+}
+
+int cls_chunk_refcount_read(librados::IoCtx& io_ctx, string& oid, set<hobject_t> *refs)
+{
+  bufferlist in, out;
+  int r = io_ctx.exec(oid, "cas", "chunk_read", in, out);
+  if (r < 0)
+    return r;
+
+  cls_chunk_refcount_read_ret ret;
+  try {
+    auto iter = out.cbegin();
+    decode(ret, iter);
+  } catch (buffer::error& err) {
+    return -EIO;
+  }
+
+  *refs = ret.refs;
+
+  return r;
+}
+
+int cls_chunk_has_chunk(librados::IoCtx& io_ctx, string& oid, string& fp_oid)
+{
+  bufferlist in, out;
+  encode(fp_oid, in);
+  int r = io_ctx.exec(oid, "cas", "has_chunk", in, out);
+  return r;
+}