Examples with Store org.h2.mvstore.db.MVTableEngine.Store used on opensource projects

Example 11 with Store

use of org.h2.mvstore.db.MVTableEngine.Store in project h2database by h2database.

the class CipherFactory method getKeyStore.

/**
 * Get the keystore object using the given password.
 *
 * @param password the keystore password
 * @return the keystore
 */
public static KeyStore getKeyStore(String password) throws IOException {
    try {
        // The following source code can be re-generated
        // if you have a keystore file.
        // This code is (hopefully) more Java version independent
        // than using keystores directly. See also:
        // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4887561
        // (1.4.2 cannot read keystore written with 1.4.1)
        // --- generated code start ---
        KeyStore store = KeyStore.getInstance(KeyStore.getDefaultType());
        store.load(null, password.toCharArray());
        KeyFactory keyFactory = KeyFactory.getInstance("RSA");
        store.load(null, password.toCharArray());
        PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(StringUtils.convertHexToBytes("30820277020100300d06092a864886f70d010101" + "0500048202613082025d02010002818100dc0a13" + "c602b7141110eade2f051b54777b060d0f74e6a1" + "10f9cce81159f271ebc88d8e8aa1f743b505fc2e" + "7dfe38d33b8d3f64d1b363d1af4d877833897954" + "cbaec2fa384c22a415498cf306bb07ac09b76b00" + "1cd68bf77ea0a628f5101959cf2993a9c23dbee7" + "9b19305977f8715ae78d023471194cc900b231ee" + "cb0aaea98d02030100010281810099aa4ff4d0a0" + "9a5af0bd953cb10c4d08c3d98df565664ac5582e" + "494314d5c3c92dddedd5d316a32a206be4ec0846" + "16fe57be15e27cad111aa3c21fa79e32258c6ca8" + "430afc69eddd52d3b751b37da6b6860910b94653" + "192c0db1d02abcfd6ce14c01f238eec7c20bd3bb" + "750940004bacba2880349a9494d10e139ecb2355" + "d101024100ffdc3defd9c05a2d377ef6019fa62b" + "3fbd5b0020a04cc8533bca730e1f6fcf5dfceea1" + "b044fbe17d9eababfbc7d955edad6bc60f9be826" + "ad2c22ba77d19a9f65024100dc28d43fdbbc9385" + "2cc3567093157702bc16f156f709fb7db0d9eec0" + "28f41fd0edcd17224c866e66be1744141fb724a1" + "0fd741c8a96afdd9141b36d67fff6309024077b1" + "cddbde0f69604bdcfe33263fb36ddf24aa3b9922" + "327915b890f8a36648295d0139ecdf68c245652c" + "4489c6257b58744fbdd961834a4cab201801a3b1" + "e52d024100b17142e8991d1b350a0802624759d4" + "8ae2b8071a158ff91fabeb6a8f7c328e762143dc" + "726b8529f42b1fab6220d1c676fdc27ba5d44e84" + "7c72c52064afd351a902407c6e23fe35bcfcd1a6" + "62aa82a2aa725fcece311644d5b6e3894853fd4c" + "e9fe78218c957b1ff03fc9e5ef8ffeb6bd58235f" + "6a215c97d354fdace7e781e4a63e8b"));
        PrivateKey privateKey = keyFactory.generatePrivate(keySpec);
        Certificate[] certs = { CertificateFactory.getInstance("X.509").generateCertificate(new ByteArrayInputStream(StringUtils.convertHexToBytes("3082018b3081f502044295ce6b300d06092a8648" + "86f70d0101040500300d310b3009060355040313" + "024832301e170d3035303532363133323630335a" + "170d3337303933303036353734375a300d310b30" + "0906035504031302483230819f300d06092a8648" + "86f70d010101050003818d0030818902818100dc" + "0a13c602b7141110eade2f051b54777b060d0f74" + "e6a110f9cce81159f271ebc88d8e8aa1f743b505" + "fc2e7dfe38d33b8d3f64d1b363d1af4d87783389" + "7954cbaec2fa384c22a415498cf306bb07ac09b7" + "6b001cd68bf77ea0a628f5101959cf2993a9c23d" + "bee79b19305977f8715ae78d023471194cc900b2" + "31eecb0aaea98d0203010001300d06092a864886" + "f70d01010405000381810083f4401a279453701b" + "ef9a7681a5b8b24f153f7d18c7c892133d97bd5f" + "13736be7505290a445a7d5ceb75522403e509751" + "5cd966ded6351ff60d5193de34cd36e5cb04d380" + "398e66286f99923fd92296645fd4ada45844d194" + "dfd815e6cd57f385c117be982809028bba1116c8" + "5740b3d27a55b1a0948bf291ddba44bed337b9"))) };
        store.setKeyEntry("h2", privateKey, password.toCharArray(), certs);
        // --- generated code end ---
        return store;
    } catch (Exception e) {
        throw DbException.convertToIOException(e);
    }
}

Example 12 with Store

use of org.h2.mvstore.db.MVTableEngine.Store in project h2database by h2database.

the class MVStoreTool method repair.

/**
 * Repair a store by rolling back to the newest good version.
 *
 * @param fileName the file name
 */
public static void repair(String fileName) {
    PrintWriter pw = new PrintWriter(System.out);
    long version = Long.MAX_VALUE;
    OutputStream ignore = new OutputStream() {

        @Override
        public void write(int b) throws IOException {
        // ignore
        }
    };
    while (version >= 0) {
        pw.println(version == Long.MAX_VALUE ? "Trying latest version" : ("Trying version " + version));
        pw.flush();
        version = rollback(fileName, version, new PrintWriter(ignore));
        try {
            String error = info(fileName + ".temp", new PrintWriter(ignore));
            if (error == null) {
                FilePath.get(fileName).moveTo(FilePath.get(fileName + ".back"), true);
                FilePath.get(fileName + ".temp").moveTo(FilePath.get(fileName), true);
                pw.println("Success");
                break;
            }
            pw.println("    ... failed: " + error);
        } catch (Exception e) {
            pw.println("Fail: " + e.getMessage());
            pw.flush();
        }
        version--;
    }
    pw.flush();
}

Example 13 with Store

use of org.h2.mvstore.db.MVTableEngine.Store in project h2database by h2database.

the class MVStoreTool method info.

/**
 * Read the summary information of the file and write them to system out.
 *
 * @param fileName the name of the file
 * @param writer the print writer
 * @return null if successful (if there was no error), otherwise the error
 *         message
 */
public static String info(String fileName, Writer writer) {
    PrintWriter pw = new PrintWriter(writer, true);
    if (!FilePath.get(fileName).exists()) {
        pw.println("File not found: " + fileName);
        return "File not found: " + fileName;
    }
    long fileLength = FileUtils.size(fileName);
    MVStore store = new MVStore.Builder().fileName(fileName).readOnly().open();
    try {
        MVMap<String, String> meta = store.getMetaMap();
        Map<String, Object> header = store.getStoreHeader();
        long fileCreated = DataUtils.readHexLong(header, "created", 0L);
        TreeMap<Integer, Chunk> chunks = new TreeMap<>();
        long chunkLength = 0;
        long maxLength = 0;
        long maxLengthLive = 0;
        long maxLengthNotEmpty = 0;
        for (Entry<String, String> e : meta.entrySet()) {
            String k = e.getKey();
            if (k.startsWith("chunk.")) {
                Chunk c = Chunk.fromString(e.getValue());
                chunks.put(c.id, c);
                chunkLength += c.len * MVStore.BLOCK_SIZE;
                maxLength += c.maxLen;
                maxLengthLive += c.maxLenLive;
                if (c.maxLenLive > 0) {
                    maxLengthNotEmpty += c.maxLen;
                }
            }
        }
        pw.printf("Created: %s\n", formatTimestamp(fileCreated, fileCreated));
        pw.printf("Last modified: %s\n", formatTimestamp(FileUtils.lastModified(fileName), fileCreated));
        pw.printf("File length: %d\n", fileLength);
        pw.printf("The last chunk is not listed\n");
        pw.printf("Chunk length: %d\n", chunkLength);
        pw.printf("Chunk count: %d\n", chunks.size());
        pw.printf("Used space: %d%%\n", getPercent(chunkLength, fileLength));
        pw.printf("Chunk fill rate: %d%%\n", maxLength == 0 ? 100 : getPercent(maxLengthLive, maxLength));
        pw.printf("Chunk fill rate excluding empty chunks: %d%%\n", maxLengthNotEmpty == 0 ? 100 : getPercent(maxLengthLive, maxLengthNotEmpty));
        for (Entry<Integer, Chunk> e : chunks.entrySet()) {
            Chunk c = e.getValue();
            long created = fileCreated + c.time;
            pw.printf("  Chunk %d: %s, %d%% used, %d blocks", c.id, formatTimestamp(created, fileCreated), getPercent(c.maxLenLive, c.maxLen), c.len);
            if (c.maxLenLive == 0) {
                pw.printf(", unused: %s", formatTimestamp(fileCreated + c.unused, fileCreated));
            }
            pw.printf("\n");
        }
        pw.printf("\n");
    } catch (Exception e) {
        pw.println("ERROR: " + e);
        e.printStackTrace(pw);
        return e.getMessage();
    } finally {
        store.close();
    }
    pw.flush();
    return null;
}

Example 14 with Store

use of org.h2.mvstore.db.MVTableEngine.Store in project h2database by h2database.

the class Page method write.

/**
 * Store the page and update the position.
 *
 * @param chunk the chunk
 * @param buff the target buffer
 * @return the position of the buffer just after the type
 */
private int write(Chunk chunk, WriteBuffer buff) {
    int start = buff.position();
    int len = keys.length;
    int type = children != null ? DataUtils.PAGE_TYPE_NODE : DataUtils.PAGE_TYPE_LEAF;
    buff.putInt(0).putShort((byte) 0).putVarInt(map.getId()).putVarInt(len);
    int typePos = buff.position();
    buff.put((byte) type);
    if (type == DataUtils.PAGE_TYPE_NODE) {
        writeChildren(buff);
        for (int i = 0; i <= len; i++) {
            buff.putVarLong(children[i].count);
        }
    }
    int compressStart = buff.position();
    map.getKeyType().write(buff, keys, len, true);
    if (type == DataUtils.PAGE_TYPE_LEAF) {
        map.getValueType().write(buff, values, len, false);
    }
    MVStore store = map.getStore();
    int expLen = buff.position() - compressStart;
    if (expLen > 16) {
        int compressionLevel = store.getCompressionLevel();
        if (compressionLevel > 0) {
            Compressor compressor;
            int compressType;
            if (compressionLevel == 1) {
                compressor = map.getStore().getCompressorFast();
                compressType = DataUtils.PAGE_COMPRESSED;
            } else {
                compressor = map.getStore().getCompressorHigh();
                compressType = DataUtils.PAGE_COMPRESSED_HIGH;
            }
            byte[] exp = new byte[expLen];
            buff.position(compressStart).get(exp);
            byte[] comp = new byte[expLen * 2];
            int compLen = compressor.compress(exp, expLen, comp, 0);
            int plus = DataUtils.getVarIntLen(compLen - expLen);
            if (compLen + plus < expLen) {
                buff.position(typePos).put((byte) (type + compressType));
                buff.position(compressStart).putVarInt(expLen - compLen).put(comp, 0, compLen);
            }
        }
    }
    int pageLength = buff.position() - start;
    int chunkId = chunk.id;
    int check = DataUtils.getCheckValue(chunkId) ^ DataUtils.getCheckValue(start) ^ DataUtils.getCheckValue(pageLength);
    buff.putInt(start, pageLength).putShort(start + 4, (short) check);
    if (pos != 0) {
        throw DataUtils.newIllegalStateException(DataUtils.ERROR_INTERNAL, "Page already stored");
    }
    pos = DataUtils.getPagePos(chunkId, start, pageLength, type);
    store.cachePage(pos, this, getMemory());
    if (type == DataUtils.PAGE_TYPE_NODE) {
        // cache again - this will make sure nodes stays in the cache
        // for a longer time
        store.cachePage(pos, this, getMemory());
    }
    long max = DataUtils.getPageMaxLength(pos);
    chunk.maxLen += max;
    chunk.maxLenLive += max;
    chunk.pageCount++;
    chunk.pageCountLive++;
    if (removedInMemory) {
        // if the page was removed _before_ the position was assigned, we
        // need to mark it removed here, so the fields are updated
        // when the next chunk is stored
        map.removePage(pos, memory);
    }
    return typePos + 1;
}

Example 15 with Store

use of org.h2.mvstore.db.MVTableEngine.Store in project h2database by h2database.

the class MemoryFootprint method main.

/**
 * Run just this test.
 *
 * @param a ignored
 */
public static void main(String... a) {
    // System.getProperties().store(System.out, "");
    print("Object", new Object());
    print("Timestamp", new java.sql.Timestamp(0));
    print("Date", new java.sql.Date(0));
    print("Time", new java.sql.Time(0));
    print("BigDecimal", new BigDecimal("0"));
    print("BigInteger", new BigInteger("0"));
    print("String", new String("Hello"));
    print("Data", Data.create(null, 10));
    print("Row", new RowImpl(new Value[0], 0));
    System.out.println();
    for (int i = 1; i < 128; i += i) {
        System.out.println(getArraySize(1, i) + " bytes per p1[]");
        print("boolean[" + i + "]", new boolean[i]);
        System.out.println(getArraySize(2, i) + " bytes per p2[]");
        print("char[" + i + "]", new char[i]);
        print("short[" + i + "]", new short[i]);
        System.out.println(getArraySize(4, i) + " bytes per p4[]");
        print("int[" + i + "]", new int[i]);
        print("float[" + i + "]", new float[i]);
        System.out.println(getArraySize(8, i) + " bytes per p8[]");
        print("long[" + i + "]", new long[i]);
        print("double[" + i + "]", new double[i]);
        System.out.println(getArraySize(Constants.MEMORY_POINTER, i) + " bytes per obj[]");
        print("Object[" + i + "]", new Object[i]);
        System.out.println();
    }
}