// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License.  Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
// 
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.agent.manager.authn.impl;

import java.util.Map;

import javax.ejb.Local;
import javax.naming.ConfigurationException;

import org.apache.log4j.Logger;

import com.cloud.agent.AgentManager;
import com.cloud.agent.StartupCommandProcessor;
import com.cloud.agent.api.StartupCommand;
import com.cloud.agent.manager.authn.AgentAuthnException;
import com.cloud.agent.manager.authn.AgentAuthorizer;
import com.cloud.configuration.dao.ConfigurationDao;
import com.cloud.exception.ConnectionException;
import com.cloud.host.dao.HostDao;
import com.cloud.utils.component.Inject;

@Local(value={AgentAuthorizer.class, StartupCommandProcessor.class})
public class BasicAgentAuthManager implements AgentAuthorizer, StartupCommandProcessor {
    private static final Logger s_logger = Logger.getLogger(BasicAgentAuthManager.class);
    @Inject HostDao _hostDao = null;
    @Inject ConfigurationDao _configDao = null;
    @Inject AgentManager _agentManager = null;
    
    @Override
    public boolean processInitialConnect(StartupCommand[] cmd)
            throws ConnectionException {
        try {
            authorizeAgent(cmd);
        } catch (AgentAuthnException e) {
            throw new ConnectionException(true, "Failed to authenticate/authorize", e);
        }
        s_logger.debug("Authorized agent with guid " + cmd[0].getGuid());
        return false;//so that the next host creator can process it
    }

    @Override
    public boolean authorizeAgent(StartupCommand[] cmd) throws AgentAuthnException{
        return true;
    }

    @Override
    public boolean configure(String name, Map<String, Object> params)
            throws ConfigurationException {
        _agentManager.registerForInitialConnects(this, true);
        return true;
    }

    @Override
    public String getName() {
        return getClass().getName();
    }

    @Override
    public boolean start() {
        return true;
    }

    @Override
    public boolean stop() {
        return true;
    }

}