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

Example 91 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat_plus by coderczp.

the class ExplainHandler method handle.

public static void handle(String stmt, ServerConnection c, int offset) {
    stmt = stmt.substring(offset).trim();
    RouteResultset rrs = getRouteResultset(c, stmt);
    if (rrs == null) {
        return;
    }
    ByteBuffer buffer = c.allocate();
    // write header
    ResultSetHeaderPacket header = PacketUtil.getHeader(FIELD_COUNT);
    byte packetId = header.packetId;
    buffer = header.write(buffer, c, true);
    // write fields
    for (FieldPacket field : fields) {
        field.packetId = ++packetId;
        buffer = field.write(buffer, c, true);
    }
    // write eof
    EOFPacket eof = new EOFPacket();
    eof.packetId = ++packetId;
    buffer = eof.write(buffer, c, true);
    // write rows
    RouteResultsetNode[] rrsn = rrs.getNodes();
    for (RouteResultsetNode node : rrsn) {
        RowDataPacket row = getRow(node, c.getCharset());
        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 92 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat_plus by coderczp.

the class SelectVersion method response.

public static void response(ServerConnection 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;
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(Versions.SERVER_VERSION);
    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 93 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat_plus by coderczp.

the class SelectVersionComment method response.

public static void response(ServerConnection 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 94 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat_plus by coderczp.

the class SessionIncrement method response.

public static void response(ServerConnection 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;
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(LongUtil.toBytes(1));
    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 95 with FieldPacket

use of io.mycat.net.mysql.FieldPacket in project Mycat_plus by coderczp.

the class SessionIsolation method response.

public static void response(ServerConnection 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;
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(StringUtil.encode("REPEATABLE-READ", c.getCharset()));
    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);
}