initial code repo

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

diff --git a/src/ceph/src/messages/MOSDPGRemove.h b/src/ceph/src/messages/MOSDPGRemove.h
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+++ b/src/ceph/src/messages/MOSDPGRemove.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) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * 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_MOSDPGREMOVE_H
+#define CEPH_MOSDPGREMOVE_H
+
+#include "common/hobject.h"
+#include "msg/Message.h"
+
+
+class MOSDPGRemove : public Message {
+
+  static const int HEAD_VERSION = 3;
+  static const int COMPAT_VERSION = 2;
+
+  epoch_t epoch = 0;
+
+ public:
+  vector<spg_t> pg_list;
+
+  epoch_t get_epoch() const { return epoch; }
+
+  MOSDPGRemove() :
+    Message(MSG_OSD_PG_REMOVE, HEAD_VERSION, COMPAT_VERSION) {}
+  MOSDPGRemove(epoch_t e, vector<spg_t>& l) :
+    Message(MSG_OSD_PG_REMOVE, HEAD_VERSION, COMPAT_VERSION) {
+    this->epoch = e;
+    pg_list.swap(l);
+  }
+private:
+  ~MOSDPGRemove() override {}
+
+public:  
+  const char *get_type_name() const override { return "PGrm"; }
+
+  void encode_payload(uint64_t features) override {
+    if (HAVE_FEATURE(features, SERVER_LUMINOUS)) {
+      header.version = HEAD_VERSION;
+    } else {
+      // for jewel+kraken
+      header.version = 2;
+      ::encode(epoch, payload);
+
+      vector<pg_t> _pg_list;
+      _pg_list.reserve(pg_list.size());
+      vector<shard_id_t> _shard_list;
+      _shard_list.reserve(pg_list.size());
+      for (auto i = pg_list.begin(); i != pg_list.end(); ++i) {
+       _pg_list.push_back(i->pgid);
+       _shard_list.push_back(i->shard);
+      }
+      ::encode(_pg_list, payload);
+      ::encode(_shard_list, payload);
+      return;
+    }
+    ::encode(epoch, payload);
+    ::encode(pg_list, payload);
+  }
+  void decode_payload() override {
+    bufferlist::iterator p = payload.begin();
+    if (header.version == 2) {
+      // jewel/kraken
+      ::decode(epoch, p);
+      vector<pg_t> _pg_list;
+      ::decode(_pg_list, p);
+
+      vector<shard_id_t> _shard_list(_pg_list.size(), shard_id_t::NO_SHARD);
+      _shard_list.clear();
+      ::decode(_shard_list, p);
+      assert(_shard_list.size() == _pg_list.size());
+      pg_list.reserve(_shard_list.size());
+      for (unsigned i = 0; i < _shard_list.size(); ++i) {
+       pg_list.push_back(spg_t(_pg_list[i], _shard_list[i]));
+      }
+      return;
+    }
+    ::decode(epoch, p);
+    ::decode(pg_list, p);
+  }
+  void print(ostream& out) const override {
+    out << "osd pg remove(" << "epoch " << epoch << "; ";
+    for (vector<spg_t>::const_iterator i = pg_list.begin();
+         i != pg_list.end();
+         ++i) {
+      out << "pg" << *i << "; ";
+    }
+    out << ")";
+  }
+};
+
+#endif