Package org.h2.value

Examples of org.h2.value.Transfer

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        this.connectionInfo = ci;
    }

    private Transfer initTransfer(ConnectionInfo ci, String db, String server) throws IOException {
        Socket socket = NetUtils.createSocket(server, Constants.DEFAULT_TCP_PORT, ci.isSSL());
        Transfer trans = new Transfer(this);
        trans.setSocket(socket);
        trans.setSSL(ci.isSSL());
        trans.init();
        trans.writeInt(Constants.TCP_PROTOCOL_VERSION_6);
        trans.writeInt(Constants.TCP_PROTOCOL_VERSION_9);
        trans.writeString(db);
        trans.writeString(ci.getOriginalURL());
        trans.writeString(ci.getUserName());
        trans.writeBytes(ci.getUserPasswordHash());
        trans.writeBytes(ci.getFilePasswordHash());
        String[] keys = ci.getKeys();
        trans.writeInt(keys.length);
        for (String key : keys) {
            trans.writeString(key).writeString(ci.getProperty(key));
        }
        try {
            done(trans);
            clientVersion = trans.readInt();
            trans.setVersion(clientVersion);
            trans.writeInt(SessionRemote.SESSION_SET_ID);
            trans.writeString(sessionId);
            done(trans);
        } catch (DbException e) {
            trans.close();
            throw e;
        }
        autoCommit = true;
        return trans;
    }
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     * @param id the statement id
     */
    public void cancelStatement(int id) {
        for (Transfer transfer : transferList) {
            try {
                Transfer trans = transfer.openNewConnection();
                trans.init();
                trans.writeInt(clientVersion);
                trans.writeInt(clientVersion);
                trans.writeString(null);
                trans.writeString(null);
                trans.writeString(sessionId);
                trans.writeInt(SessionRemote.SESSION_CANCEL_STATEMENT);
                trans.writeInt(id);
                trans.close();
            } catch (IOException e) {
                trace.debug(e, "could not cancel statement");
            }
        }
    }
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    }

    private void setAutoCommitSend(boolean autoCommit) {
        if (clientVersion >= Constants.TCP_PROTOCOL_VERSION_8) {
            for (int i = 0, count = 0; i < transferList.size(); i++) {
                Transfer transfer = transferList.get(i);
                try {
                    traceOperation("SESSION_SET_AUTOCOMMIT", autoCommit ? 1 : 0);
                    transfer.writeInt(SessionRemote.SESSION_SET_AUTOCOMMIT).writeBoolean(autoCommit);
                    done(transfer);
                } catch (IOException e) {
                    removeServer(e, i--, ++count);
                }
            }
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        if (autoCommit && cluster) {
            // server side auto commit is off because of race conditions
            // (update set id=1 where id=0, but update set id=2 where id=0 is
            // faster)
            for (int i = 0, count = 0; i < transferList.size(); i++) {
                Transfer transfer = transferList.get(i);
                try {
                    traceOperation("COMMAND_COMMIT", 0);
                    transfer.writeInt(SessionRemote.COMMAND_COMMIT);
                    done(transfer);
                } catch (IOException e) {
                    removeServer(e, i--, ++count);
                }
            }
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        boolean switchOffCluster = false;
        try {
            for (int i = 0; i < len; i++) {
                String s = servers[i];
                try {
                    Transfer trans = initTransfer(ci, databaseName, s);
                    transferList.add(trans);
                } catch (IOException e) {
                    if (len == 1) {
                        throw DbException.get(ErrorCode.CONNECTION_BROKEN_1, e, e + ": " + s);
                    }
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        }
        boolean running = false;
        String id = prop.getProperty("id");
        try {
            Socket socket = NetUtils.createSocket(server, Constants.DEFAULT_TCP_PORT, false);
            Transfer transfer = new Transfer(null);
            transfer.setSocket(socket);
            transfer.init();
            transfer.writeInt(Constants.TCP_PROTOCOL_VERSION_6);
            transfer.writeInt(Constants.TCP_PROTOCOL_VERSION_9);
            transfer.writeString(null);
            transfer.writeString(null);
            transfer.writeString(id);
            transfer.writeInt(SessionRemote.SESSION_CHECK_KEY);
            transfer.flush();
            int state = transfer.readInt();
            if (state == SessionRemote.STATUS_OK) {
                running = true;
            }
            transfer.close();
            socket.close();
        } catch (IOException e) {
            return;
        }
        if (running) {
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    private String sessionId;

    TcpServerThread(Socket socket, TcpServer server, int id) {
        this.server = server;
        this.threadId = id;
        transfer = new Transfer(null);
        transfer.setSocket(socket);
    }
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        this.connectionInfo = ci;
    }

    private Transfer initTransfer(ConnectionInfo ci, String db, String server) throws IOException {
        Socket socket = NetUtils.createSocket(server, Constants.DEFAULT_TCP_PORT, ci.isSSL());
        Transfer trans = new Transfer(this);
        trans.setSocket(socket);
        trans.setSSL(ci.isSSL());
        trans.init();
        trans.writeInt(Constants.TCP_PROTOCOL_VERSION_6);
        trans.writeInt(Constants.TCP_PROTOCOL_VERSION_11);
        trans.writeString(db);
        trans.writeString(ci.getOriginalURL());
        trans.writeString(ci.getUserName());
        trans.writeBytes(ci.getUserPasswordHash());
        trans.writeBytes(ci.getFilePasswordHash());
        String[] keys = ci.getKeys();
        trans.writeInt(keys.length);
        for (String key : keys) {
            trans.writeString(key).writeString(ci.getProperty(key));
        }
        try {
            done(trans);
            clientVersion = trans.readInt();
            trans.setVersion(clientVersion);
            trans.writeInt(SessionRemote.SESSION_SET_ID);
            trans.writeString(sessionId);
            done(trans);
        } catch (DbException e) {
            trans.close();
            throw e;
        }
        autoCommit = true;
        return trans;
    }
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    public int getUndoLogPos() {
        if (clientVersion < Constants.TCP_PROTOCOL_VERSION_10) {
            return 1;
        }
        for (int i = 0, count = 0; i < transferList.size(); i++) {
            Transfer transfer = transferList.get(i);
            try {
                traceOperation("SESSION_UNDO_LOG_POS", 0);
                transfer.writeInt(SessionRemote.SESSION_UNDO_LOG_POS);
                done(transfer);
                return transfer.readInt();
            } catch (IOException e) {
                removeServer(e, i--, ++count);
            }
        }
        return 1;
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     * @param id the statement id
     */
    public void cancelStatement(int id) {
        for (Transfer transfer : transferList) {
            try {
                Transfer trans = transfer.openNewConnection();
                trans.init();
                trans.writeInt(clientVersion);
                trans.writeInt(clientVersion);
                trans.writeString(null);
                trans.writeString(null);
                trans.writeString(sessionId);
                trans.writeInt(SessionRemote.SESSION_CANCEL_STATEMENT);
                trans.writeInt(id);
                trans.close();
            } catch (IOException e) {
                trace.debug(e, "could not cancel statement");
            }
        }
    }
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