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/PageStore.hpp"
22 /** A byte-string represented as a sequence of chunks from a PageStor */
24 PageStore* store_ = nullptr;
25 /** Indices of the chunks */
26 std::vector<std::size_t> pagenos_;
32 for (std::size_t pageno : pagenos_)
33 store_->unref_page(pageno);
42 ChunkedData(ChunkedData const& that)
45 pagenos_ = that.pagenos_;
46 for (std::size_t pageno : pagenos_)
47 store_->ref_page(pageno);
49 ChunkedData(ChunkedData&& that)
52 that.store_ = nullptr;
53 pagenos_ = std::move(that.pagenos_);
54 that.pagenos_.clear();
56 ChunkedData& operator=(ChunkedData const& that)
60 pagenos_ = that.pagenos_;
61 for (std::size_t pageno : pagenos_)
62 store_->ref_page(pageno);
65 ChunkedData& operator=(ChunkedData && that)
69 that.store_ = nullptr;
70 pagenos_ = std::move(that.pagenos_);
71 that.pagenos_.clear();
75 std::size_t page_count() const { return pagenos_.size(); }
76 std::size_t pageno(std::size_t i) const { return pagenos_[i]; }
77 const std::size_t* pagenos() const { return pagenos_.data(); }
79 const void* page(std::size_t i) const
81 return store_->get_page(pagenos_[i]);
84 ChunkedData(PageStore& store, AddressSpace& as,
85 RemotePtr<void> addr, std::size_t page_count);