Examples with DirectByteCharSequence io.questdb.std.str.DirectByteCharSequence used on opensource projects

Example 11 with DirectByteCharSequence

use of io.questdb.std.str.DirectByteCharSequence in project questdb by bluestreak01.

the class TextQueryProcessor method parseUrl.

private boolean parseUrl(HttpChunkedResponseSocket socket, HttpRequestHeader request, TextQueryProcessorState state) throws PeerDisconnectedException, PeerIsSlowToReadException {
    // Query text.
    final DirectByteCharSequence query = request.getUrlParam("query");
    if (query == null || query.length() == 0) {
        info(state).$("Empty query request received. Sending empty reply.").$();
        sendException(socket, 0, "No query text", state);
        return false;
    }
    // Url Params.
    long skip = 0;
    long stop = Long.MAX_VALUE;
    CharSequence limit = request.getUrlParam("limit");
    if (limit != null) {
        int sepPos = Chars.indexOf(limit, ',');
        try {
            if (sepPos > 0) {
                skip = Numbers.parseLong(limit, 0, sepPos);
                if (sepPos + 1 < limit.length()) {
                    stop = Numbers.parseLong(limit, sepPos + 1, limit.length());
                }
            } else {
                stop = Numbers.parseLong(limit);
            }
        } catch (NumericException ex) {
        // Skip or stop will have default value.
        }
    }
    if (stop < 0) {
        stop = 0;
    }
    if (skip < 0) {
        skip = 0;
    }
    if ((stop - skip) > configuration.getMaxQueryResponseRowLimit()) {
        stop = skip + configuration.getMaxQueryResponseRowLimit();
    }
    state.query.clear();
    try {
        TextUtil.utf8Decode(query.getLo(), query.getHi(), state.query);
    } catch (Utf8Exception e) {
        info(state).$("Bad UTF8 encoding").$();
        sendException(socket, 0, "Bad UTF8 encoding in query text", state);
        return false;
    }
    CharSequence fileName = request.getUrlParam("filename");
    state.fileName = null;
    if (fileName != null && fileName.length() > 0) {
        state.fileName = fileName.toString();
    }
    state.skip = skip;
    state.count = 0L;
    state.stop = stop;
    state.noMeta = Chars.equalsNc("true", request.getUrlParam("nm"));
    state.countRows = Chars.equalsNc("true", request.getUrlParam("count"));
    return true;
}

Example 12 with DirectByteCharSequence

use of io.questdb.std.str.DirectByteCharSequence in project questdb by bluestreak01.

the class CairoTextWriter method onFieldsNonPartitioned.

public void onFieldsNonPartitioned(long line, ObjList<DirectByteCharSequence> values, int valuesLength) {
    final TableWriter.Row w = writer.newRow();
    for (int i = 0; i < valuesLength; i++) {
        final DirectByteCharSequence dbcs = values.getQuick(i);
        if (dbcs.length() == 0) {
            continue;
        }
        if (onField(line, dbcs, w, i))
            return;
    }
    w.append();
}

Example 13 with DirectByteCharSequence

use of io.questdb.std.str.DirectByteCharSequence in project questdb by bluestreak01.

the class HttpHeaderParser method parse.

public long parse(long ptr, long hi, boolean _method) {
    long p;
    if (_method && needMethod) {
        int l = parseMethod(ptr, hi);
        p = ptr + l;
    } else {
        p = ptr;
    }
    DirectByteCharSequence v;
    while (p < hi) {
        if (_wptr == this.hi) {
            throw HttpException.instance("header is too large");
        }
        char b = (char) Unsafe.getUnsafe().getByte(p++);
        if (b == '\r') {
            continue;
        }
        Unsafe.getUnsafe().putByte(_wptr++, (byte) b);
        switch(b) {
            case ':':
                if (headerName == null) {
                    headerName = pool.next().of(_lo, _wptr - 1);
                    _lo = _wptr + 1;
                }
                break;
            case '\n':
                if (headerName == null) {
                    incomplete = false;
                    parseKnownHeaders();
                    return p;
                }
                v = pool.next().of(_lo, _wptr - 1);
                _lo = _wptr;
                headers.put(headerName, v);
                headerName = null;
                break;
            default:
                break;
        }
    }
    return p;
}

Example 14 with DirectByteCharSequence

use of io.questdb.std.str.DirectByteCharSequence in project questdb by bluestreak01.

the class HttpHeaderParser method parseContentType.

private void parseContentType() {
    DirectByteCharSequence seq = getHeader(CONTENT_TYPE_HEADER);
    if (seq == null) {
        return;
    }
    long p = seq.getLo();
    long _lo = p;
    long hi = seq.getHi();
    DirectByteCharSequence name = null;
    boolean contentType = true;
    boolean swallowSpace = true;
    while (p <= hi) {
        char b = (char) Unsafe.getUnsafe().getByte(p++);
        if (b == ' ' && swallowSpace) {
            _lo = p;
            continue;
        }
        if (p > hi || b == ';') {
            if (contentType) {
                this.contentType = pool.next().of(_lo, p - 1);
                _lo = p;
                contentType = false;
                continue;
            }
            if (name == null) {
                throw HttpException.instance("Malformed ").put(CONTENT_TYPE_HEADER).put(" header");
            }
            if (Chars.equals("charset", name)) {
                this.charset = pool.next().of(_lo, p - 1);
                name = null;
                _lo = p;
                continue;
            }
            if (Chars.equals("boundary", name)) {
                this.boundary = pool.next().of(_lo, p - 1);
                _lo = p;
                name = null;
                continue;
            }
            if (p > hi) {
                break;
            }
        } else if (b == '=') {
            name = name == null ? pool.next().of(_lo, p - 1) : name.of(_lo, p - 1);
            _lo = p;
            swallowSpace = false;
        }
    }
}

Example 15 with DirectByteCharSequence

use of io.questdb.std.str.DirectByteCharSequence in project questdb by bluestreak01.

the class HttpHeaderParser method parseContentDisposition.

private void parseContentDisposition() {
    DirectByteCharSequence contentDisposition = getHeader(CONTENT_DISPOSITION_HEADER);
    if (contentDisposition == null) {
        return;
    }
    long p = contentDisposition.getLo();
    long _lo = p;
    long hi = contentDisposition.getHi();
    boolean expectFormData = true;
    boolean swallowSpace = true;
    DirectByteCharSequence name = null;
    while (p <= hi) {
        char b = (char) Unsafe.getUnsafe().getByte(p++);
        if (b == ' ' && swallowSpace) {
            _lo = p;
            continue;
        }
        if (p > hi || b == ';') {
            if (expectFormData) {
                this.contentDisposition = pool.next().of(_lo, p - 1);
                _lo = p;
                expectFormData = false;
                continue;
            }
            if (name == null) {
                throw HttpException.instance("Malformed ").put(CONTENT_DISPOSITION_HEADER).put(" header");
            }
            if (Chars.equals("name", name)) {
                this.contentDispositionName = unquote("name", pool.next().of(_lo, p - 1));
                swallowSpace = true;
                _lo = p;
                name = null;
                continue;
            }
            if (Chars.equals("filename", name)) {
                this.contentDispositionFilename = unquote("filename", pool.next().of(_lo, p - 1));
                _lo = p;
                name = null;
                continue;
            }
            if (p > hi) {
                break;
            }
        } else if (b == '=') {
            name = name == null ? pool.next().of(_lo, p - 1) : name.of(_lo, p - 1);
            _lo = p;
            swallowSpace = false;
        }
    }
}