Examples with FieldPacket com.actiontech.dble.net.mysql.FieldPacket used on opensource projects

Example 61 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

the class ConfFileHandler method handle.

public static void handle(String stmt, 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.getPacketId();
    String theStmt = stmt.toUpperCase().trim();
    PackageBufINf bufInf;
    if (theStmt.equals("FILE @@LIST")) {
        bufInf = listConfigFiles(c, buffer, packetId);
    } else if (theStmt.startsWith("FILE @@SHOW")) {
        int index = stmt.lastIndexOf(' ');
        String fileName = stmt.substring(index + 1);
        bufInf = showConfigFile(c, buffer, packetId, fileName);
    } else if (theStmt.startsWith(UPLOAD_CMD)) {
        int index = stmt.indexOf(' ', UPLOAD_CMD.length());
        int index2 = stmt.indexOf(' ', index + 1);
        if (index <= 0 || index2 <= 0 || index + 1 > stmt.length() || index2 + 1 > stmt.length()) {
            bufInf = showInfo(c, buffer, packetId, "Invald param ,usage  ");
        }
        String fileName = stmt.substring(index + 1, index2);
        String content = stmt.substring(index2 + 1).trim();
        bufInf = upLoadConfigFile(c, buffer, packetId, fileName, content);
    } else {
        bufInf = showInfo(c, buffer, packetId, "Invald command ");
    }
    packetId = bufInf.getPacketId();
    buffer = bufInf.getBuffer();
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // write buffer
    c.write(buffer);
}

Example 62 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

the class Explain2Handler method showError.

private static void showError(String stmt, ServerConnection c, String msg) {
    ByteBuffer buffer = c.allocate();
    // write header
    ResultSetHeaderPacket header = PacketUtil.getHeader(FIELD_COUNT);
    byte packetId = header.getPacketId();
    buffer = header.write(buffer, c, true);
    // write fields
    for (FieldPacket field : FIELDS) {
        field.setPacketId(++packetId);
        buffer = field.write(buffer, c, true);
    }
    // write eof
    EOFPacket eof = new EOFPacket();
    eof.setPacketId(++packetId);
    buffer = eof.write(buffer, c, true);
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(StringUtil.encode(stmt, c.getCharset().getResults()));
    row.add(StringUtil.encode(msg, c.getCharset().getResults()));
    row.setPacketId(++packetId);
    buffer = row.write(buffer, c, true);
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}

Example 63 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

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.getPacketId();
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    row.add(Versions.getServerVersion());
    row.setPacketId(++packetId);
    buffer = row.write(buffer, c, true);
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    c.write(buffer);
}

Example 64 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

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.getPacketId();
    RowDataPacket row = new RowDataPacket(FIELD_COUNT);
    String value = "";
    switch(c.getTxIsolation()) {
        case Isolations.READ_COMMITTED:
            value = "READ-COMMITTED";
            break;
        case Isolations.READ_UNCOMMITTED:
            value = "READ-UNCOMMITTED";
            break;
        case Isolations.REPEATABLE_READ:
            value = "REPEATABLE-READ";
            break;
        case Isolations.SERIALIZABLE:
            value = "SERIALIZABLE";
            break;
        default:
            break;
    }
    row.add(StringUtil.encode(value, c.getCharset().getResults()));
    row.setPacketId(++packetId);
    buffer = row.write(buffer, c, true);
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    c.write(buffer);
}

Example 65 with FieldPacket

use of com.actiontech.dble.net.mysql.FieldPacket in project dble by actiontech.

the class ShowDatabases 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.getPacketId();
    ServerConfig conf = DbleServer.getInstance().getConfig();
    Map<String, UserConfig> users = conf.getUsers();
    UserConfig user = users == null ? null : users.get(c.getUser());
    if (user != null) {
        TreeSet<String> schemaSet = new TreeSet<>();
        Set<String> schemaList = user.getSchemas();
        if (schemaList == null || schemaList.size() == 0) {
            schemaSet.addAll(conf.getSchemas().keySet());
        } else {
            for (String schema : schemaList) {
                schemaSet.add(schema);
            }
        }
        for (String name : schemaSet) {
            RowDataPacket row = new RowDataPacket(FIELD_COUNT);
            row.add(StringUtil.encode(name, c.getCharset().getResults()));
            row.setPacketId(++packetId);
            buffer = row.write(buffer, c, true);
        }
    }
    // write last eof
    EOFPacket lastEof = new EOFPacket();
    lastEof.setPacketId(++packetId);
    buffer = lastEof.write(buffer, c, true);
    // post write
    c.write(buffer);
}