#ifndef MKREQUEST_H
#define MKREQUEST_H

#define MKREQUEST_CACHE_SIZE 256
#define MKREQUEST_TIMEOUT 750000

#include <sys/time.h>

#include "include/bson/bson.h"

#include "MKNode.h"

class MKRequest {
public:

	friend class MKCommModelTests;

	enum { kLatency, kTraceRoute };

	MKNode *from, *to;

	~MKRequest();

	int id() { return requestID; }
	void send();
	int type() { return requestType; }


	/**
	 * @pre nodes not null
	 */
	static MKRequest *latency(MKNode *from, MKNode *to);
	static MKRequest *route(MKNode *from, MKNode *to);
	static MKRequest *cache(int id);
	static void reset();


private:

	int requestID;
	mongo::BSONObj *bData;
	int requestType;
	timeval time;
	bool sent;

	static unsigned char lastID;
	static MKRequest *reqCache[MKREQUEST_CACHE_SIZE];
	static MKRequest *lastLatency, *lastTraceRoute;

	MKRequest(int reqType, mongo::BSONObj *data, MKNode *from, MKNode *to);

};

#endif