Examples with FieldPacket com.alibaba.cobar.net.mysql.FieldPacket used on opensource projects

Example 16 with FieldPacket

use of com.alibaba.cobar.net.mysql.FieldPacket in project cobar by alibaba.

the class PreparedStmtResponse method response.

public static void response(PreparedStatement pstmt, FrontendConnection c) {
    byte packetId = 0;
    // write preparedOk packet
    PreparedOkPacket preparedOk = new PreparedOkPacket();
    preparedOk.packetId = ++packetId;
    preparedOk.statementId = pstmt.getId();
    preparedOk.columnsNumber = pstmt.getColumnsNumber();
    preparedOk.parametersNumber = pstmt.getParametersNumber();
    ByteBuffer buffer = preparedOk.write(c.allocate(), c);
    // write parameter field packet
    int parametersNumber = preparedOk.parametersNumber;
    if (parametersNumber > 0) {
        for (int i = 0; i < parametersNumber; i++) {
            FieldPacket field = new FieldPacket();
            field.packetId = ++packetId;
            buffer = field.write(buffer, c);
        }
        EOFPacket eof = new EOFPacket();
        eof.packetId = ++packetId;
        buffer = eof.write(buffer, c);
    }
    // write column field packet
    int columnsNumber = preparedOk.columnsNumber;
    if (columnsNumber > 0) {
        for (int i = 0; i < columnsNumber; i++) {
            FieldPacket field = new FieldPacket();
            field.packetId = ++packetId;
            buffer = field.write(buffer, c);
        }
        EOFPacket eof = new EOFPacket();
        eof.packetId = ++packetId;
        buffer = eof.write(buffer, c);
    }
    // send buffer
    c.write(buffer);
}

Example 17 with FieldPacket

use of com.alibaba.cobar.net.mysql.FieldPacket in project cobar by alibaba.

the class SelectDatabase method response.

public static void response(ServerConnection c) {
    ByteBuffer buffer = c.allocate();
    buffer = header.write(buffer, c);
    for (FieldPacket field : fields) {
        buffer = field.write(buffer, c);
    }
    buffer = eof.write(buffer, c);
    byte packetId = eof.packetId;
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(StringUtil.encode(c.getSchema(), c.getCharset()));
    row.packetId = ++packetId;
    buffer = row.write(buffer, c);
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c);
    c.write(buffer);
}

Example 18 with FieldPacket

use of com.alibaba.cobar.net.mysql.FieldPacket in project cobar by alibaba.

the class SelectIdentity method response.

public static void response(ServerConnection c, String stmt, int aliasIndex, final String orgName) {
    String alias = ParseUtil.parseAlias(stmt, aliasIndex);
    if (alias == null) {
        alias = orgName;
    }
    ByteBuffer buffer = c.allocate();
    // write header
    buffer = header.write(buffer, c);
    // write fields
    byte packetId = header.packetId;
    FieldPacket field = PacketUtil.getField(alias, orgName, Fields.FIELD_TYPE_LONGLONG);
    field.packetId = ++packetId;
    buffer = field.write(buffer, c);
    // write eof
    EOFPacket eof = new EOFPacket();
    eof.packetId = ++packetId;
    buffer = eof.write(buffer, c);
    // write rows
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(LongUtil.toBytes(c.getLastInsertId()));
    row.packetId = ++packetId;
    buffer = row.write(buffer, c);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c);
    // post write
    c.write(buffer);
}

Example 19 with FieldPacket

use of com.alibaba.cobar.net.mysql.FieldPacket in project cobar by alibaba.

the class SelectVersionComment method response.

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

Example 20 with FieldPacket

use of com.alibaba.cobar.net.mysql.FieldPacket in project cobar by alibaba.

the class ShowCobarStatus method response.

public static void response(ServerConnection c) {
    if (CobarServer.getInstance().isOnline()) {
        ByteBuffer buffer = c.allocate();
        buffer = header.write(buffer, c);
        for (FieldPacket field : fields) {
            buffer = field.write(buffer, c);
        }
        buffer = eof.write(buffer, c);
        buffer = status.write(buffer, c);
        buffer = lastEof.write(buffer, c);
        c.write(buffer);
    } else {
        error.write(c);
    }
}