Examples with MycatException io.mycat.MycatException used on opensource projects

Example 31 with MycatException

use of io.mycat.MycatException in project Mycat2 by MyCATApache.

the class BackendConCreateHandler method writeClientAuth.

public void writeClientAuth(MySQLClientSession mysql) throws IOException {
    int serverCapabilities = GlobalConst.getClientCapabilityFlags().value;
    mysql.getBackendPacketResolver().setCapabilityFlags(serverCapabilities);
    HandshakePacket hs = new HandshakePacket();
    MySQLPacket payload = mysql.currentProxyPayload();
    if (payload.isErrorPacket()) {
        ErrorPacketImpl errorPacket = new ErrorPacketImpl();
        errorPacket.readPayload(payload);
        String errorMessage = new String(errorPacket.getErrorMessage());
        LOGGER.error(" {} {}", this.datasource.getName(), errorMessage);
        mysql.setLastMessage(errorMessage);
        onException(mysql, new MycatException(errorPacket.getErrorCode(), errorMessage));
        return;
    }
    hs.readPayload(mysql.currentProxyPayload());
    mysql.resetCurrentProxyPayload();
    this.mysqlVersion = hs.getServerVersion();
    this.charsetIndex = hs.getCharacterSet() == -1 ? CharsetUtil.getIndex("UTF-8") : hs.getCharacterSet();
    AuthPacket packet = new AuthPacket();
    packet.setCapabilities(serverCapabilities);
    packet.setMaxPacketSize(32 * 1024 * 1024);
    packet.setCharacterSet((byte) charsetIndex);
    packet.setUsername(datasource.getUsername());
    this.seed = hs.getAuthPluginDataPartOne() + hs.getAuthPluginDataPartTwo();
    LOGGER.info("backend mysql authPluginName:{} ", hs.getAuthPluginName());
    // 加密密码
    // hs.getAuthPluginName();
    this.authPluginName = MysqlNativePasswordPluginUtil.PROTOCOL_PLUGIN_NAME;
    LOGGER.info("mycat set authPluginName:{} ", authPluginName);
    packet.setPassword(generatePassword(authPluginName, seed));
    // print(packet.getPassword());
    packet.setAuthPluginName(hs.getAuthPluginName());
    // packet.setAuthPluginName(CachingSha2PasswordPlugin.PROTOCOL_PLUGIN_NAME);
    MySQLPacket mySQLPacket = mysql.newCurrentProxyPacket(1024);
    mysql.getBackendPacketResolver().setIsClientLoginRequest(true);
    packet.writePayload(mySQLPacket);
    this.welcomePkgReceived = true;
    mysql.writeCurrentProxyPacket(mySQLPacket, 1);
}