69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
#include <iostream>
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#include "StarBlockStorage.hpp"
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#include "StarFile.hpp"
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#include "StarFormat.hpp"
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using namespace Star;
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using namespace std;
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static size_t TotalCount = 20;
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static size_t FreeCount = 10;
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static size_t BlockSize = 128;
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static size_t TestRepeatCount = 10;
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int main(int argc, char** argv) {
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BlockStoragePtr bs = std::make_shared<BlockStorage>();
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bs->setIODevice(File::open("./blocktest", File::ReadWrite | File::Truncate));
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bs->setBlockSize(BlockSize);
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bs->open();
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bs->writeToUserHeader(0, "01234567", 8);
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size_t next = 0;
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List<BlockStorage::BlockIndex> usedBlocks;
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bs->reserveBlocks(TotalCount, back_inserter(usedBlocks));
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ByteArray writeBlock(BlockSize, 0);
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cout << "writing: ";
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for (BlockStorage::BlockIndex b : usedBlocks) {
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coutf("(%s:%s) ", next, b);
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writeBlock.fill((char)next++);
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bs->updateBlock(b, writeBlock);
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}
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cout << endl;
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for (size_t repeat = 0; repeat < TestRepeatCount; ++repeat) {
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std::random_shuffle(usedBlocks.begin(), usedBlocks.end());
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getc(stdin);
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List<BlockStorage::BlockIndex> blocksToFree = usedBlocks.slice(0, FreeCount);
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usedBlocks.erase(0, FreeCount);
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cout << "freeing: " << blocksToFree << endl;
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bs->freeBlocks(blocksToFree.begin(), blocksToFree.end());
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getc(stdin);
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List<BlockStorage::BlockIndex> reserveBlocks;
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bs->reserveBlocks(FreeCount, back_inserter(reserveBlocks));
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cout << "writing: ";
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for (BlockStorage::BlockIndex b : reserveBlocks) {
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coutf("(%s:%s) ", next, b);
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writeBlock.fill((char)next++);
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bs->updateBlock(b, writeBlock);
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usedBlocks.append(b);
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}
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cout << endl;
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}
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getc(stdin);
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cout << "freeing all" << endl;
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bs->freeBlocks(usedBlocks.begin(), usedBlocks.end());
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getc(stdin);
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cout << "shrinking and closing" << endl;
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bs->shrink();
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bs->close();
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}
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