1 /* Copyright (c) 2014-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #ifndef SIMGRID_MC_CHUNKED_DATA_HPP
8 #define SIMGRID_MC_CHUNKED_DATA_HPP
16 #include "src/mc/mc_forward.hpp"
17 #include "src/mc/AddressSpace.hpp"
18 #include "src/mc/PageStore.hpp"
23 /** A byte-string represented as a sequence of chunks from a PageStor */
25 PageStore* store_ = nullptr;
26 /** Indices of the chunks */
27 std::vector<std::size_t> pagenos_;
33 for (std::size_t pageno : pagenos_)
34 store_->unref_page(pageno);
43 ChunkedData(ChunkedData const& that)
46 pagenos_ = that.pagenos_;
47 for (std::size_t pageno : pagenos_)
48 store_->ref_page(pageno);
50 ChunkedData(ChunkedData&& that)
53 that.store_ = nullptr;
54 pagenos_ = std::move(that.pagenos_);
55 that.pagenos_.clear();
57 ChunkedData& operator=(ChunkedData const& that)
61 pagenos_ = that.pagenos_;
62 for (std::size_t pageno : pagenos_)
63 store_->ref_page(pageno);
66 ChunkedData& operator=(ChunkedData && that)
70 that.store_ = nullptr;
71 pagenos_ = std::move(that.pagenos_);
72 that.pagenos_.clear();
76 std::size_t page_count() const { return pagenos_.size(); }
77 std::size_t pageno(std::size_t i) const { return pagenos_[i]; }
78 const std::size_t* pagenos() const { return pagenos_.data(); }
80 const void* page(std::size_t i) const
82 return store_->get_page(pagenos_[i]);
85 ChunkedData(PageStore& store, AddressSpace& as,
86 RemotePtr<void> addr, std::size_t page_count,
87 const std::size_t* ref_page_numbers, const std::uint64_t* pagemap);