53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
#include <messmer/blockstore/implementations/testfake/FakeBlock.h>
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#include <messmer/blockstore/implementations/testfake/FakeBlockStore.h>
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using std::unique_ptr;
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using std::make_unique;
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using std::make_shared;
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using std::string;
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using std::mutex;
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using std::lock_guard;
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namespace blockstore {
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namespace testfake {
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FakeBlockStore::FakeBlockStore()
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: _blocks(), _used_dataregions_for_blocks() {}
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unique_ptr<Block> FakeBlockStore::create(const Key &key, size_t size) {
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auto insert_result = _blocks.emplace(key.ToString(), size);
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insert_result.first->second.FillWithZeroes();
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if (!insert_result.second) {
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return nullptr;
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}
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//Return a copy of the stored data
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return load(key);
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}
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unique_ptr<Block> FakeBlockStore::load(const Key &key) {
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//Return a copy of the stored data
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string key_string = key.ToString();
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try {
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return makeFakeBlockFromData(key, _blocks.at(key_string));
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} catch (const std::out_of_range &e) {
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return nullptr;
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}
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}
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unique_ptr<Block> FakeBlockStore::makeFakeBlockFromData(const Key &key, const Data &data) {
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auto newdata = make_shared<Data>(data.copy());
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_used_dataregions_for_blocks.push_back(newdata);
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return make_unique<FakeBlock>(this, key, newdata);
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}
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void FakeBlockStore::updateData(const Key &key, const Data &data) {
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Data &stored_data = _blocks.at(key.ToString());
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assert(data.size() == stored_data.size());
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std::memcpy(stored_data.data(), data.data(), data.size());
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}
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}
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}
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