Examples with FieldPacket io.mycat.net.mysql.FieldPacket used on opensource projects

Example 26 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat-Server by MyCATApache.

the class SelectSessionAutoIncrement method execute.

public static void execute(ManagerConnection c) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = header.write(buffer, c, true);
    // write fields
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c, true);
    }
    // write eof
    buffer = eof.write(buffer, c, true);
    // write rows
    byte packetId = eof.packetId;
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.packetId = ++packetId;
    row.add(LongUtil.toBytes(1));
    buffer = row.write(buffer, c, true);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}

Example 27 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat-Server by MyCATApache.

the class SelectSessionTxReadOnly method execute.

public static void execute(ManagerConnection c) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = header.write(buffer, c, true);
    // write fields
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c, true);
    }
    // write eof
    buffer = eof.write(buffer, c, true);
    // write rows
    byte packetId = eof.packetId;
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.packetId = ++packetId;
    row.add(LongUtil.toBytes(0));
    buffer = row.write(buffer, c, true);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}

Example 28 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat-Server by MyCATApache.

the class SelectVersionComment method execute.

public static void execute(ManagerConnection c) {
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = header.write(buffer, c, true);
    // write fields
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c, true);
    }
    // write eof
    buffer = eof.write(buffer, c, true);
    // write rows
    byte packetId = eof.packetId;
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(VERSION_COMMENT);
    row.packetId = ++packetId;
    buffer = row.write(buffer, c, true);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}

Example 29 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat-Server by MyCATApache.

the class ShowBackend method execute.

public static void execute(ManagerConnection c) {
    ByteBuffer buffer = c.allocate();
    buffer = header.write(buffer, c, true);
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c, true);
    }
    buffer = eof.write(buffer, c, true);
    byte packetId = eof.packetId;
    String charset = c.getCharset();
    for (NIOProcessor p : MycatServer.getInstance().getProcessors()) {
        for (BackendConnection bc : p.getBackends().values()) {
            if (bc != null) {
                RowDataPacket row = getRow(bc, charset);
                row.packetId = ++packetId;
                buffer = row.write(buffer, c, true);
            }
        }
    }
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    c.write(buffer);
}

Example 30 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat-Server by MyCATApache.

the class MyCATSequnceProcessor method outRawData.

private void outRawData(ServerConnection sc, String value) {
    byte packetId = 0;
    int fieldCount = 1;
    ByteBuffer byteBuf = sc.allocate();
    ResultSetHeaderPacket headerPkg = new ResultSetHeaderPacket();
    headerPkg.fieldCount = fieldCount;
    headerPkg.packetId = ++packetId;
    byteBuf = headerPkg.write(byteBuf, sc, true);
    FieldPacket fieldPkg = new FieldPacket();
    fieldPkg.packetId = ++packetId;
    fieldPkg.name = StringUtil.encode("SEQUNCE", sc.getCharset());
    byteBuf = fieldPkg.write(byteBuf, sc, true);
    EOFPacket eofPckg = new EOFPacket();
    eofPckg.packetId = ++packetId;
    byteBuf = eofPckg.write(byteBuf, sc, true);
    RowDataPacket rowDataPkg = new RowDataPacket(fieldCount);
    rowDataPkg.packetId = ++packetId;
    rowDataPkg.add(StringUtil.encode(value, sc.getCharset()));
    byteBuf = rowDataPkg.write(byteBuf, sc, true);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    byteBuf = lastEof.write(byteBuf, sc, true);
    // write buffer
    sc.write(byteBuf);
}