Example usage for io.netty.buffer ByteBuf readByte

Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf readByte.

Prototype

public abstract byte readByte();

Source Link

Document

Gets a byte at the current readerIndex and increases the readerIndex by 1 in this buffer.

Usage

From source file:io.nodyn.http.HTTPParser.java

License:Apache License

protected boolean readStatusLine() {
    ByteBuf line = readLine();

    if (line == null) {
        return false;
    }//  w ww.j  av  a  2s .co m

    int space = line.indexOf(line.readerIndex(), line.readerIndex() + line.readableBytes(), (byte) ' ');

    if (space < 0) {
        setError(Error.INVALID_VERSION);
        return false;
    }

    int len = space - line.readerIndex();

    ByteBuf versionBuf = line.readSlice(len);

    if (!readVersion(versionBuf)) {
        setError(Error.INVALID_VERSION);
        return false;
    }

    // skip space
    line.readByte();

    space = line.indexOf(line.readerIndex(), line.readerIndex() + line.readableBytes(), (byte) ' ');

    if (space < 0) {
        setError(Error.INVALID_STATUS);
        return false;
    }

    len = space - line.readerIndex();

    ByteBuf statusBuf = line.readSlice(len);

    int status = -1;

    try {
        status = Integer.parseInt(statusBuf.toString(UTF8));
    } catch (NumberFormatException e) {
        setError(Error.INVALID_STATUS);
        return false;
    }

    if (status > 999 || status < 100) {
        setError(Error.INVALID_STATUS);
        return false;
    }

    this.statusCode = status;

    // skip space
    line.readByte();

    ByteBuf messageBuf = line.readSlice(line.readableBytes());

    this.statusMessage = messageBuf.toString(UTF8).trim();

    return true;
}

From source file:io.nodyn.http.HTTPParser.java

License:Apache License

protected boolean readHeader(ByteBuf line, List<String> target, boolean analyze) {
    int colonLoc = line.indexOf(line.readerIndex(), line.readerIndex() + line.readableBytes(), (byte) ':');

    if (colonLoc < 0) {
        // maybe it's a continued header
        if (line.readableBytes() > 1) {
            char c = (char) line.getByte(0);
            if (c == ' ' || c == '\t') {
                // it IS a continued header value
                int lastIndex = this.headers.size() - 1;
                String val = this.headers.get(lastIndex);
                val = val + " " + line.toString(ASCII).trim();
                this.headers.set(lastIndex, val);
                return true;
            }/*w w w.ja  v a 2 s . c o  m*/
        }
        return false;
    }

    int len = colonLoc - line.readerIndex();
    ByteBuf keyBuf = line.readSlice(len);

    // skip colon
    line.readByte();

    ByteBuf valueBuf = line.readSlice(line.readableBytes());

    String key = keyBuf.toString(UTF8).trim();
    String value = valueBuf.toString(UTF8).trim();

    target.add(key);
    target.add(value);

    if (analyze) {
        return analyzeHeader(key.toLowerCase(), value);
    }

    return true;
}

From source file:io.reactiverse.pgclient.impl.codec.decoder.MessageDecoder.java

License:Apache License

private void decodeReadyForQuery(ByteBuf in) {
    byte id = in.readByte();
    TxStatus txStatus;/*from  ww  w . j a va 2  s.  com*/
    if (id == I) {
        txStatus = TxStatus.IDLE;
    } else if (id == T) {
        txStatus = TxStatus.ACTIVE;
    } else {
        txStatus = TxStatus.FAILED;
    }
    inflight.peek().handleReadyForQuery(txStatus);
}

From source file:io.reactiverse.pgclient.impl.codec.decoder.MessageDecoder.java

License:Apache License

private void decodeErrorOrNotice(Response response, ByteBuf in) {

    byte type;/*from ww  w  . ja  v  a  2 s .  c o m*/

    while ((type = in.readByte()) != 0) {

        switch (type) {

        case ErrorOrNoticeType.SEVERITY:
            response.setSeverity(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.CODE:
            response.setCode(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.MESSAGE:
            response.setMessage(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.DETAIL:
            response.setDetail(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.HINT:
            response.setHint(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.INTERNAL_POSITION:
            response.setInternalPosition(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.INTERNAL_QUERY:
            response.setInternalQuery(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.POSITION:
            response.setPosition(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.WHERE:
            response.setWhere(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.FILE:
            response.setFile(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.LINE:
            response.setLine(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.ROUTINE:
            response.setRoutine(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.SCHEMA:
            response.setSchema(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.TABLE:
            response.setTable(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.COLUMN:
            response.setColumn(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.DATA_TYPE:
            response.setDataType(Util.readCStringUTF8(in));
            break;

        case ErrorOrNoticeType.CONSTRAINT:
            response.setConstraint(Util.readCStringUTF8(in));
            break;

        default:
            Util.readCStringUTF8(in);
            break;
        }
    }
}

From source file:io.reactiverse.pgclient.impl.codec.util.Util.java

License:Apache License

public static String readCString(ByteBuf src, Charset charset) {
    int len = src.bytesBefore(ZERO);
    String s = src.readCharSequence(len, charset).toString();
    src.readByte();
    return s;//  ww  w  . j  a  v a2s  . c o  m
}

From source file:io.reactiverse.pgclient.impl.codec.util.Util.java

License:Apache License

public static String readCStringUTF8(ByteBuf src) {
    int len = src.bytesBefore(ZERO);
    String s = src.readCharSequence(len, UTF_8).toString();
    src.readByte();
    return s;/*from   ww w. ja  v  a2 s. co  m*/
}

From source file:io.reactivex.netty.protocol.text.sse.ServerSentEventDecoder.java

License:Apache License

private String readFullLine(ByteBuf in) {
    StringBuilder line = new StringBuilder();

    for (;;) {//from   w w  w  . j  a  v  a2  s. c o  m
        char c = (char) in.readByte();
        if (isLineDelimiter(c)) {
            // If colon is at the very end of a line, having an empty string will help us avoid IndexOutOfBoundException
            // without checking the colon is at the end of the line.
            line.append("");

            checkpoint(State.END_OF_LINE);
            break;
        }

        line.append(c);
    }
    return line.toString();
}

From source file:io.reactivex.netty.protocol.text.sse.ServerSentEventDecoder.java

License:Apache License

private int skipLineDelimiters(ByteBuf in) {
    int skipped = 0;
    while (in.writerIndex() - in.readerIndex() > 0) {
        // the above check is needed to ensure that last event is delivered
        // otherwise, an exception (Netty's Signal object) will be thrown
        // from ReplayingDecoderBuffer.readByte()
        char c = (char) in.readByte();
        if (isLineDelimiter(c)) {
            skipped += 1;//from  ww  w  .  j ava 2  s  . c o  m
            continue;
        }

        // Leave the reader index at the first letter of the next line, if any
        in.readerIndex(in.readerIndex() - 1);
        checkpoint(State.NEW_LINE);
        break;
    }

    return skipped;
}

From source file:io.reactivex.netty.protocol.text.StringLineDecoder.java

License:Apache License

private String readFullLine(ByteBuf in) {
    StringBuilder line = new StringBuilder();

    for (;;) {/*  w w w .  j  a v a2s .c o  m*/
        char c = (char) in.readByte();
        if (isLineDelimiter(c)) {
            checkpoint(State.END_OF_LINE);
            return line.toString();
        }

        line.append(c);
    }
}