59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
#include "StarBTreeDatabase.hpp"
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#include "StarTime.hpp"
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#include "StarFile.hpp"
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#include "StarVersionOptionParser.hpp"
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using namespace Star;
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int main(int argc, char** argv) {
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try {
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double startTime = Time::monotonicTime();
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VersionOptionParser optParse;
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optParse.setSummary("Repacks a Starbound BTree file to shrink its file size");
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optParse.addArgument("input file path", OptionParser::Required, "Path to the BTree to be repacked");
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optParse.addArgument("output filename", OptionParser::Optional, "Output BTree file");
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auto opts = optParse.commandParseOrDie(argc, argv);
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String bTreePath = opts.arguments.at(0);
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String outputFilename = opts.arguments.get(1, bTreePath + ".repack");
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outputFilename = File::relativeTo(File::fullPath(File::dirName(outputFilename)), File::baseName(outputFilename));
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//open the old db
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BTreeDatabase db;
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db.setIODevice(std::move(File::open(bTreePath, IOMode::Read)));
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db.open();
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//make a new db
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BTreeDatabase newDb;
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newDb.setBlockSize(db.blockSize());
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newDb.setContentIdentifier(db.contentIdentifier());
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newDb.setKeySize(db.keySize());
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newDb.setAutoCommit(false);
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newDb.setIODevice(std::move(File::open(outputFilename, IOMode::ReadWrite | IOMode::Truncate)));
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newDb.open();
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coutf("Repacking {}...\n", bTreePath);
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//copy the data over
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unsigned count = 0;
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db.forAll([&count, &newDb](ByteArray key, ByteArray data) {
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newDb.insert(key, data);
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++count;
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});
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//close the old db
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db.close();
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//commit and close the new db
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newDb.commit();
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newDb.close();
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coutf("Repacked BTree to {} in {}s\n", outputFilename, Time::monotonicTime() - startTime);
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return 0;
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} catch (std::exception const& e) {
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cerrf("Exception caught: {}\n", outputException(e, true));
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return 1;
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}
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}
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