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

Example 11 with FieldPacket

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

the class ShowTime method execute.

public static void execute(ManagerConnection c, int type) {
    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 = getRow(type);
    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 12 with FieldPacket

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

the class ShowVariables 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;
    for (Map.Entry<String, String> e : variables.entrySet()) {
        RowDataPacket row = getRow(e.getKey(), e.getValue(), c.getCharset());
        row.packetId = ++packetId;
        buffer = row.write(buffer, c, true);
    }
    // write lastEof
    EOFPacket lastEof = new EOFPacket();
    lastEof.packetId = ++packetId;
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 13 with FieldPacket

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

the class ShowCommand 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;
    for (NIOProcessor p : MycatServer.getInstance().getProcessors()) {
        RowDataPacket row = getRow(p, 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);
    // write buffer
    c.write(buffer);
}

Example 14 with FieldPacket

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

the class ShowConnection 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;
    String charset = c.getCharset();
    NIOProcessor[] processors = MycatServer.getInstance().getProcessors();
    for (NIOProcessor p : processors) {
        for (FrontendConnection fc : p.getFrontends().values()) {
            if (fc != null) {
                RowDataPacket row = getRow(fc, charset);
                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);
    // write buffer
    c.write(buffer);
}

Example 15 with FieldPacket

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

the class ShowDataSource method execute.

public static void execute(ManagerConnection c, String name) {
    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;
    MycatConfig conf = MycatServer.getInstance().getConfig();
    Map<String, List<PhysicalDatasource>> dataSources = new HashMap<String, List<PhysicalDatasource>>();
    if (null != name) {
        PhysicalDBNode dn = conf.getDataNodes().get(name);
        if (dn != null) {
            List<PhysicalDatasource> dslst = new LinkedList<PhysicalDatasource>();
            dslst.addAll(dn.getDbPool().getAllDataSources());
            dataSources.put(dn.getName(), dslst);
        }
    } else {
        for (PhysicalDBNode dn : conf.getDataNodes().values()) {
            List<PhysicalDatasource> dslst = new LinkedList<PhysicalDatasource>();
            dslst.addAll(dn.getDbPool().getAllDataSources());
            dataSources.put(dn.getName(), dslst);
        }
    }
    for (Map.Entry<String, List<PhysicalDatasource>> dsEntry : dataSources.entrySet()) {
        String dnName = dsEntry.getKey();
        for (PhysicalDatasource ds : dsEntry.getValue()) {
            RowDataPacket row = getRow(dnName, ds, 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);
}