initial code repo

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

diff --git a/src/ceph/src/messages/MMDSResolve.h b/src/ceph/src/messages/MMDSResolve.h
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+++ b/src/ceph/src/messages/MMDSResolve.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_MMDSRESOLVE_H
+#define CEPH_MMDSRESOLVE_H
+
+#include "msg/Message.h"
+
+#include "include/types.h"
+
+class MMDSResolve : public Message {
+public:
+  map<dirfrag_t, vector<dirfrag_t> > subtrees;
+  map<dirfrag_t, vector<dirfrag_t> > ambiguous_imports;
+
+  struct slave_request {
+    bufferlist inode_caps;
+    bool committing;
+    slave_request() : committing(false) {}
+    void encode(bufferlist &bl) const {
+      ::encode(inode_caps, bl);
+      ::encode(committing, bl);
+    }
+    void decode(bufferlist::iterator &bl) {
+      ::decode(inode_caps, bl);
+      ::decode(committing, bl);
+    }
+  };
+  WRITE_CLASS_ENCODER(slave_request)
+
+  map<metareqid_t, slave_request> slave_requests;
+
+  MMDSResolve() : Message(MSG_MDS_RESOLVE) {}
+private:
+  ~MMDSResolve() override {}
+
+public:
+  const char *get_type_name() const override { return "mds_resolve"; }
+
+  void print(ostream& out) const override {
+    out << "mds_resolve(" << subtrees.size()
+       << "+" << ambiguous_imports.size()
+       << " subtrees +" << slave_requests.size() << " slave requests)";
+  }
+  
+  void add_subtree(dirfrag_t im) {
+    subtrees[im].clear();
+  }
+  void add_subtree_bound(dirfrag_t im, dirfrag_t ex) {
+    subtrees[im].push_back(ex);
+  }
+
+  void add_ambiguous_import(dirfrag_t im, const vector<dirfrag_t>& m) {
+    ambiguous_imports[im] = m;
+  }
+
+  void add_slave_request(metareqid_t reqid, bool committing) {
+    slave_requests[reqid].committing = committing;
+  }
+
+  void add_slave_request(metareqid_t reqid, bufferlist& bl) {
+    slave_requests[reqid].inode_caps.claim(bl);
+  }
+
+  void encode_payload(uint64_t features) override {
+    ::encode(subtrees, payload);
+    ::encode(ambiguous_imports, payload);
+    ::encode(slave_requests, payload);
+  }
+  void decode_payload() override {
+    bufferlist::iterator p = payload.begin();
+    ::decode(subtrees, p);
+    ::decode(ambiguous_imports, p);
+    ::decode(slave_requests, p);
+  }
+};
+
+inline ostream& operator<<(ostream& out, const MMDSResolve::slave_request&) {
+    return out;
+}
+
+WRITE_CLASS_ENCODER(MMDSResolve::slave_request)
+#endif