1 files changed, 92 insertions, 0 deletions
diff --git a/src/messages/MTimeCheck.h b/src/messages/MTimeCheck.h
new file mode 100644
index 000000000..03cd157f2
--- /dev/null
+++ b/src/messages/MTimeCheck.h
@@ -0,0 +1,92 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2012 Inktank, Inc.
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software 
+ * Foundation.  See file COPYING.
+ * 
+ */
+
+#ifndef CEPH_MTIMECHECK_H
+#define CEPH_MTIMECHECK_H
+
+class MTimeCheck final : public Message {
+public:
+  static constexpr int HEAD_VERSION = 1;
+
+  enum {
+    OP_PING = 1,
+    OP_PONG = 2,
+    OP_REPORT = 3,
+  };
+
+  int op = 0;
+  version_t epoch = 0;
+  version_t round = 0;
+
+  utime_t timestamp;
+  map<entity_inst_t, double> skews;
+  map<entity_inst_t, double> latencies;
+
+  MTimeCheck() : Message{MSG_TIMECHECK, HEAD_VERSION} {}
+  MTimeCheck(int op) :
+    Message{MSG_TIMECHECK, HEAD_VERSION},
+    op(op)
+  {}
+
+private:
+  ~MTimeCheck() final {}
+
+public:
+  std::string_view get_type_name() const override { return "time_check"; }
+  const char *get_op_name() const {
+    switch (op) {
+    case OP_PING: return "ping";
+    case OP_PONG: return "pong";
+    case OP_REPORT: return "report";
+    }
+    return "???";
+  }
+  void print(std::ostream &o) const override {
+    o << "time_check( " << get_op_name()
+      << " e " << epoch << " r " << round;
+    if (op == OP_PONG) {
+      o << " ts " << timestamp;
+    } else if (op == OP_REPORT) {
+      o << " #skews " << skews.size()
+        << " #latencies " << latencies.size();
+    }
+    o << " )";
+  }
+
+  void decode_payload() override {
+    using ceph::decode;
+    auto p = payload.cbegin();
+    decode(op, p);
+    decode(epoch, p);
+    decode(round, p);
+    decode(timestamp, p);
+    decode(skews, p);
+    decode(latencies, p);
+  }
+
+  void encode_payload(uint64_t features) override {
+    using ceph::encode;
+    encode(op, payload);
+    encode(epoch, payload);
+    encode(round, payload);
+    encode(timestamp, payload);
+    encode(skews, payload, features);
+    encode(latencies, payload, features);
+  }
+private:
+  template<class T, typename... Args>
+  friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
+};
+
+#endif /* CEPH_MTIMECHECK_H */