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Diffstat (limited to '')
-rw-r--r-- | src/messages/MMDSResolve.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/messages/MMDSResolve.h b/src/messages/MMDSResolve.h new file mode 100644 index 00000000..52fad12e --- /dev/null +++ b/src/messages/MMDSResolve.h @@ -0,0 +1,129 @@ +// -*- 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 |