1 files changed, 59 insertions, 0 deletions
diff --git a/src/messages/PaxosServiceMessage.h b/src/messages/PaxosServiceMessage.h
new file mode 100644
index 000000000..a2b1ddf4e
--- /dev/null
+++ b/src/messages/PaxosServiceMessage.h
@@ -0,0 +1,59 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+
+#ifndef CEPH_PAXOSSERVICEMESSAGE_H
+#define CEPH_PAXOSSERVICEMESSAGE_H
+
+#include "msg/Message.h"
+#include "mon/Session.h"
+
+class PaxosServiceMessage : public Message {
+public:
+  version_t version;
+  __s16 deprecated_session_mon;
+  uint64_t deprecated_session_mon_tid;
+
+  // track which epoch the leader received a forwarded request in, so we can
+  // discard forwarded requests appropriately on election boundaries.
+  epoch_t rx_election_epoch;
+
+  PaxosServiceMessage()
+    : Message{MSG_PAXOS},
+      version(0), deprecated_session_mon(-1), deprecated_session_mon_tid(0),
+      rx_election_epoch(0) { }
+  PaxosServiceMessage(int type, version_t v, int enc_version=1, int compat_enc_version=0)
+    : Message{type, enc_version, compat_enc_version},
+      version(v), deprecated_session_mon(-1), deprecated_session_mon_tid(0),
+      rx_election_epoch(0)  { }
+ protected:
+  ~PaxosServiceMessage() override {}
+
+ public:
+  void paxos_encode() {
+    using ceph::encode;
+    encode(version, payload);
+    encode(deprecated_session_mon, payload);
+    encode(deprecated_session_mon_tid, payload);
+  }
+
+  void paxos_decode(ceph::buffer::list::const_iterator& p ) {
+    using ceph::decode;
+    decode(version, p);
+    decode(deprecated_session_mon, p);
+    decode(deprecated_session_mon_tid, p);
+  }
+
+  void encode_payload(uint64_t features) override {
+    ceph_abort();
+    paxos_encode();
+  }
+
+  void decode_payload() override {
+    ceph_abort();
+    auto p = payload.cbegin();
+    paxos_decode(p);
+  }
+
+  std::string_view get_type_name() const override { return "PaxosServiceMessage"; }
+};
+
+#endif