initial code repo

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

diff --git a/src/ceph/src/messages/MOSDECSubOpReadReply.h b/src/ceph/src/messages/MOSDECSubOpReadReply.h
new file mode 100644 (file)
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+++ b/src/ceph/src/messages/MOSDECSubOpReadReply.h
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+// -*- 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) 2013 Inktank Storage, 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 MOSDECSUBOPREADREPLY_H
+#define MOSDECSUBOPREADREPLY_H
+
+#include "MOSDFastDispatchOp.h"
+#include "osd/ECMsgTypes.h"
+
+class MOSDECSubOpReadReply : public MOSDFastDispatchOp {
+  static const int HEAD_VERSION = 2;
+  static const int COMPAT_VERSION = 1;
+
+public:
+  spg_t pgid;
+  epoch_t map_epoch, min_epoch;
+  ECSubReadReply op;
+
+  int get_cost() const override {
+    return 0;
+  }
+  epoch_t get_map_epoch() const override {
+    return map_epoch;
+  }
+  epoch_t get_min_epoch() const override {
+    return min_epoch;
+  }
+  spg_t get_spg() const override {
+    return pgid;
+  }
+
+  MOSDECSubOpReadReply()
+    : MOSDFastDispatchOp(MSG_OSD_EC_READ_REPLY, HEAD_VERSION, COMPAT_VERSION)
+    {}
+
+  void decode_payload() override {
+    bufferlist::iterator p = payload.begin();
+    ::decode(pgid, p);
+    ::decode(map_epoch, p);
+    ::decode(op, p);
+    if (header.version >= 2) {
+      ::decode(min_epoch, p);
+      decode_trace(p);
+    } else {
+      min_epoch = map_epoch;
+    }
+  }
+
+  void encode_payload(uint64_t features) override {
+    ::encode(pgid, payload);
+    ::encode(map_epoch, payload);
+    ::encode(op, payload);
+    ::encode(min_epoch, payload);
+    encode_trace(payload, features);
+  }
+
+  const char *get_type_name() const override { return "MOSDECSubOpReadReply"; }
+
+  void print(ostream& out) const override {
+    out << "MOSDECSubOpReadReply(" << pgid
+       << " " << map_epoch << "/" << min_epoch
+       << " " << op;
+    out << ")";
+  }
+};
+
+#endif