initial code repo

[stor4nfv.git] / src / ceph / src / messages / MTimeCheck.h

diff --git a/src/ceph/src/messages/MTimeCheck.h b/src/ceph/src/messages/MTimeCheck.h
new file mode 100644 (file)
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+++ b/src/ceph/src/messages/MTimeCheck.h
@@ -0,0 +1,87 @@
+// -*- 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
+
+struct MTimeCheck : public Message
+{
+  static const 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() override { }
+
+public:
+  const char *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(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 {
+    bufferlist::iterator p = payload.begin();
+    ::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 {
+    ::encode(op, payload);
+    ::encode(epoch, payload);
+    ::encode(round, payload);
+    ::encode(timestamp, payload);
+    ::encode(skews, payload, features);
+    ::encode(latencies, payload, features);
+  }
+};
+
+#endif /* CEPH_MTIMECHECK_H */