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diff --git a/src/ceph/src/tools/rbd_mirror/BaseRequest.h b/src/ceph/src/tools/rbd_mirror/BaseRequest.h
new file mode 100644
index 0000000..f865f60
--- /dev/null
+++ b/src/ceph/src/tools/rbd_mirror/BaseRequest.h
@@ -0,0 +1,42 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_RBD_MIRROR_BASE_REQUEST_H
+#define CEPH_RBD_MIRROR_BASE_REQUEST_H
+
+#include "common/RefCountedObj.h"
+
+namespace rbd {
+namespace mirror {
+
+class BaseRequest : public RefCountedObject {
+public:
+  BaseRequest(const std::string& name, CephContext *cct, Context *on_finish)
+    : RefCountedObject(cct, 1), m_name(name), m_cct(cct),
+      m_on_finish(on_finish) {
+  }
+
+  virtual void send() = 0;
+  virtual void cancel() {}
+
+protected:
+  virtual void finish(int r) {
+    if (m_cct) {
+      lsubdout(m_cct, rbd_mirror, 20) << m_name << "::finish: r=" << r << dendl;
+    }
+    if (m_on_finish) {
+      m_on_finish->complete(r);
+    }
+    put();
+  }
+
+private:
+  const std::string m_name;
+  CephContext *m_cct;
+  Context *m_on_finish;
+};
+
+} // namespace mirror
+} // namespace rbd
+
+#endif // CEPH_RBD_MIRROR_BASE_REQUEST_H