initial code repo

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

diff --git a/src/ceph/src/messages/MOSDPGPush.h b/src/ceph/src/messages/MOSDPGPush.h
new file mode 100644 (file)
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+++ b/src/ceph/src/messages/MOSDPGPush.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 MOSDPGPUSH_H
+#define MOSDPGPUSH_H
+
+#include "MOSDFastDispatchOp.h"
+
+class MOSDPGPush : public MOSDFastDispatchOp {
+  static const int HEAD_VERSION = 3;
+  static const int COMPAT_VERSION = 2;
+
+public:
+  pg_shard_t from;
+  spg_t pgid;
+  epoch_t map_epoch, min_epoch;
+  vector<PushOp> pushes;
+
+private:
+  uint64_t cost;
+
+public:
+  void compute_cost(CephContext *cct) {
+    cost = 0;
+    for (vector<PushOp>::iterator i = pushes.begin();
+        i != pushes.end();
+        ++i) {
+      cost += i->cost(cct);
+    }
+  }
+
+  int get_cost() const override {
+    return cost;
+  }
+
+  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;
+  }
+
+  void set_cost(uint64_t c) {
+    cost = c;
+  }
+
+  MOSDPGPush()
+    : MOSDFastDispatchOp(MSG_OSD_PG_PUSH, HEAD_VERSION, COMPAT_VERSION),
+      cost(0)
+    {}
+
+  void decode_payload() override {
+    bufferlist::iterator p = payload.begin();
+    ::decode(pgid.pgid, p);
+    ::decode(map_epoch, p);
+    ::decode(pushes, p);
+    ::decode(cost, p);
+    ::decode(pgid.shard, p);
+    ::decode(from, p);
+    if (header.version >= 3) {
+      ::decode(min_epoch, p);
+    } else {
+      min_epoch = map_epoch;
+    }
+  }
+
+  void encode_payload(uint64_t features) override {
+    ::encode(pgid.pgid, payload);
+    ::encode(map_epoch, payload);
+    ::encode(pushes, payload, features);
+    ::encode(cost, payload);
+    ::encode(pgid.shard, payload);
+    ::encode(from, payload);
+    ::encode(min_epoch, payload);
+  }
+
+  const char *get_type_name() const override { return "MOSDPGPush"; }
+
+  void print(ostream& out) const override {
+    out << "MOSDPGPush(" << pgid
+       << " " << map_epoch << "/" << min_epoch
+       << " " << pushes;
+    out << ")";
+  }
+};
+
+#endif