/*
 *  Phusion Passenger - https://www.phusionpassenger.com/
 *  Copyright (c) 2013 Phusion
 *
 *  "Phusion Passenger" is a trademark of Hongli Lai & Ninh Bui.
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *  THE SOFTWARE.
 */
#ifndef _PASSENGER_ADMIN_CONTROLLER_H_
#define _PASSENGER_ADMIN_CONTROLLER_H_


#include <agents/LoggingAgent/LoggingServer.h>
#include <MessageServer.h>
#include <sstream>

namespace Passenger {

using namespace std;
using namespace boost;
using namespace oxt;


class AdminController: public MessageServer::Handler {
private:
	struct SpecificContext: public MessageServer::ClientContext {
	};
	
	typedef MessageServer::CommonClientContext CommonClientContext;
	
	LoggingServerPtr server;
	
	
	/*********************************************
	 * Message handler methods
	 *********************************************/
	
	void processStatus(CommonClientContext &commonContext, SpecificContext *specificContext,
		const vector<string> &args)
	{
		TRACE_POINT();
		commonContext.passSecurity();
		stringstream stream;
		server->dump(stream);
		writeScalarMessage(commonContext.fd, stream.str());
	}
	
public:
	AdminController(const LoggingServerPtr &server) {
		this->server = server;
	}
	
	virtual MessageServer::ClientContextPtr newClient(CommonClientContext &commonContext) {
		return make_shared<SpecificContext>();
	}
	
	virtual bool processMessage(CommonClientContext &commonContext,
	                            MessageServer::ClientContextPtr &_specificContext,
	                            const vector<string> &args)
	{
		SpecificContext *specificContext = (SpecificContext *) _specificContext.get();
		try {
			if (isCommand(args, "status", 0)) {
				processStatus(commonContext, specificContext, args);
			} else {
				return false;
			}
		} catch (const SecurityException &) {
			/* Client does not have enough rights to perform a certain action.
			 * It has already been notified of this; ignore exception and move on.
			 */
		}
		return true;
	}
};


} // namespace Passenger

#endif /* _PASSENGER_ADMIN_CONTROLLER_H_ */
