/********************************************************************
 * 2014 -
 * open source under Apache License Version 2.0
 ********************************************************************/
/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include "RpcAuth.h"

#include "Exception.h"
#include "ExceptionInternal.h"

namespace Hdfs {
namespace Internal {

AuthMethod RpcAuth::ParseMethod(const std::string & str) {
    if (0 == strcasecmp(str.c_str(), "SIMPLE")) {
        return AuthMethod::SIMPLE;
    } else if (0 == strcasecmp(str.c_str(), "KERBEROS")) {
        return AuthMethod::KERBEROS;
    } else if (0 == strcasecmp(str.c_str(), "TOKEN")) {
        return AuthMethod::TOKEN;
    } else {
        THROW(InvalidParameter, "RpcAuth: Unknown auth mechanism type: %s",
              str.c_str());
    }
}

size_t RpcAuth::hash_value() const {
    size_t values[] = { Int32Hasher(method), user.hash_value() };
    return CombineHasher(values, sizeof(values) / sizeof(values[0]));
}

}
}