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-rw-r--r--src/messages/MMDSResolve.h129
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diff --git a/src/messages/MMDSResolve.h b/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 MessageInstance<MMDSResolve> {
+public:
+ friend factory;
+
+ 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 {
+ using ceph::encode;
+ encode(inode_caps, bl);
+ encode(committing, bl);
+ }
+ void decode(bufferlist::const_iterator &bl) {
+ using ceph::decode;
+ decode(inode_caps, bl);
+ decode(committing, bl);
+ }
+ };
+
+ map<metareqid_t, slave_request> slave_requests;
+
+ // table client information
+ struct table_client {
+ __u8 type;
+ set<version_t> pending_commits;
+
+ table_client() : type(0) {}
+ table_client(int _type, const set<version_t>& commits)
+ : type(_type), pending_commits(commits) {}
+
+ void encode(bufferlist& bl) const {
+ using ceph::encode;
+ encode(type, bl);
+ encode(pending_commits, bl);
+ }
+ void decode(bufferlist::const_iterator& bl) {
+ using ceph::decode;
+ decode(type, bl);
+ decode(pending_commits, bl);
+ }
+ };
+
+ list<table_client> table_clients;
+
+protected:
+ MMDSResolve() : MessageInstance(MSG_MDS_RESOLVE) {}
+ ~MMDSResolve() override {}
+
+public:
+ std::string_view 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 add_table_commits(int table, const set<version_t>& pending_commits) {
+ table_clients.push_back(table_client(table, pending_commits));
+ }
+
+ void encode_payload(uint64_t features) override {
+ using ceph::encode;
+ encode(subtrees, payload);
+ encode(ambiguous_imports, payload);
+ encode(slave_requests, payload);
+ encode(table_clients, payload);
+ }
+ void decode_payload() override {
+ using ceph::decode;
+ auto p = payload.cbegin();
+ decode(subtrees, p);
+ decode(ambiguous_imports, p);
+ decode(slave_requests, p);
+ decode(table_clients, p);
+ }
+};
+
+inline ostream& operator<<(ostream& out, const MMDSResolve::slave_request&) {
+ return out;
+}
+
+WRITE_CLASS_ENCODER(MMDSResolve::slave_request)
+WRITE_CLASS_ENCODER(MMDSResolve::table_client)
+#endif