TFTP.h

/*
 * TFTP.h
 *
 *  Created on: May 21, 2017
 *      Author: kolban
 */

#ifndef COMPONENTS_CPP_UTILS_TFTP_H_
#define COMPONENTS_CPP_UTILS_TFTP_H_
#define TFTP_DEFAULT_PORT (69)
#include <string>
#include <Socket.h>
class TFTP {
public:
    TFTP();
    virtual ~TFTP();
    void start(uint16_t port = TFTP_DEFAULT_PORT);
    void setBaseDir(std::string baseDir);
    class TFTP_Transaction {
    public:
        TFTP_Transaction();
        void processWRQ();
        void processRRQ();
        void sendAck(uint16_t blockNumber);
        void sendError(uint16_t code, std::string message);
        void setBaseDir(std::string baseDir);
        void waitForAck(uint16_t blockNumber);
        uint16_t waitForRequest(Socket* pServerSocket);

    private:
        Socket m_partnerSocket;
        struct sockaddr m_partnerAddress;
        uint16_t    m_opCode; // The last op code received.
        std::string m_filename; // The name of the file.
        std::string m_mode;
        std::string m_baseDir; // The base directory.

    };

private:
    std::string m_baseDir;

};

#endif /* COMPONENTS_CPP_UTILS_TFTP_H_ */