initial code repo

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

diff --git a/src/ceph/src/messages/MDiscover.h b/src/ceph/src/messages/MDiscover.h
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+++ b/src/ceph/src/messages/MDiscover.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_MDISCOVER_H
+#define CEPH_MDISCOVER_H
+
+#include "msg/Message.h"
+#include "include/filepath.h"
+
+#include <string>
+
+
+class MDiscover : public Message {
+  inodeno_t       base_ino;          // 1 -> root
+  frag_t          base_dir_frag;
+
+  snapid_t        snapid;
+  filepath        want;   // ... [/]need/this/stuff
+
+  bool want_base_dir;
+  bool want_xlocked;
+
+ public:
+  inodeno_t get_base_ino() { return base_ino; }
+  frag_t    get_base_dir_frag() { return base_dir_frag; }
+  snapid_t  get_snapid() { return snapid; }
+
+  filepath& get_want() { return want; }
+  const std::string& get_dentry(int n) { return want[n]; }
+
+  bool wants_base_dir() { return want_base_dir; }
+  bool wants_xlocked() { return want_xlocked; }
+  
+  void set_base_dir_frag(frag_t f) { base_dir_frag = f; }
+
+  MDiscover() : Message(MSG_MDS_DISCOVER) { }
+  MDiscover(inodeno_t base_ino_,
+           frag_t base_frag_,
+           snapid_t s,
+            filepath& want_path_,
+            bool want_base_dir_ = true,
+           bool discover_xlocks_ = false) :
+    Message(MSG_MDS_DISCOVER),
+    base_ino(base_ino_),
+    base_dir_frag(base_frag_),
+    snapid(s),
+    want(want_path_),
+    want_base_dir(want_base_dir_),
+    want_xlocked(discover_xlocks_) { }
+private:
+  ~MDiscover() override {}
+
+public:
+  const char *get_type_name() const override { return "Dis"; }
+  void print(ostream &out) const override {
+    out << "discover(" << header.tid << " " << base_ino << "." << base_dir_frag
+       << " " << want << ")";
+  }
+
+  void decode_payload() override {
+    bufferlist::iterator p = payload.begin();
+    ::decode(base_ino, p);
+    ::decode(base_dir_frag, p);
+    ::decode(snapid, p);
+    ::decode(want, p);
+    ::decode(want_base_dir, p);
+    ::decode(want_xlocked, p);
+  }
+  void encode_payload(uint64_t features) override {
+    ::encode(base_ino, payload);
+    ::encode(base_dir_frag, payload);
+    ::encode(snapid, payload);
+    ::encode(want, payload);
+    ::encode(want_base_dir, payload);
+    ::encode(want_xlocked, payload);
+  }
+
+};
+
+#endif