1 files changed, 52 insertions, 0 deletions
diff --git a/src/messages/MMDSPing.h b/src/messages/MMDSPing.h
new file mode 100644
index 000000000..586ca91c1
--- /dev/null
+++ b/src/messages/MMDSPing.h
@@ -0,0 +1,52 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_MESSAGES_MMDSPING_H
+#define CEPH_MESSAGES_MMDSPING_H
+
+#include "include/types.h"
+#include "messages/MMDSOp.h"
+
+class MMDSPing final : public MMDSOp {
+private:
+  static constexpr int HEAD_VERSION = 1;
+  static constexpr int COMPAT_VERSION = 1;
+public:
+  version_t seq;
+
+protected:
+  MMDSPing() : MMDSOp(MSG_MDS_PING, HEAD_VERSION, COMPAT_VERSION) {
+  }
+  MMDSPing(version_t seq)
+    : MMDSOp(MSG_MDS_PING, HEAD_VERSION, COMPAT_VERSION), seq(seq) {
+  }
+  ~MMDSPing() final {}
+
+public:
+  std::string_view get_type_name() const override {
+    return "mdsping";
+  }
+
+  void print(std::ostream &out) const override {
+    out << "mdsping";
+  }
+
+  void encode_payload(uint64_t features) override {
+    using ceph::encode;
+    encode(seq, payload);
+  }
+
+  void decode_payload() override {
+    using ceph::decode;
+    auto iter = payload.cbegin();
+    decode(seq, iter);
+  }
+
+private:
+  template<class T, typename... Args>
+  friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
+  template<class T, typename... Args>
+  friend MURef<T> crimson::make_message(Args&&... args);
+};
+
+#endif // CEPH_MESSAGES_MMDSPING_H