FountainErrors.h

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/* ex: set tabstop=4 expandtab: */
/*                                                                                                                      */
/*  (c) 2004-2006 Iowa State University                                         */
/*      see the LICENSE file in the top level directory         */
/*                                                                                                                      */

#ifndef FOUNTAIN_ERRORS_H__ 
#define FOUNTAIN_ERRORS_H__

#include "define.h"
#include <string>
#include <stdexcept>

enum FountainErrorCode {
        invalidFountainErrorCode=-1,
        
        //Success codes
        generalSuccess=0,
        helpReply=10,
        statusReply=20,
        subscriptionReply=30,
        notificationSuccess=35,
        registrationSuccess=40,
        
        //warnings
        generalWarning=100,
        
        //wire protocol
        hostnameFailure=212,
    connectionFailure=220,
        sendFailure=224,
        receiveFailure=226,
    connectionTimedOut=232,
        unexpectedEndOfFile=246,
        
        //message format
    actionIncorrectError=312,
    missingRequiredElement=314,
        statusIncorrectError=321,
        
        //security
    authorizationFailure=440,
        fountainVersionNumberMismatch=450,                              //Fountain specific
        fountainActorStringMismatch=451,                                //Fountain specific
        fountainNodeIdentificationError=452,                    //Fountain specific

        //server application
    generalServerFailure=700,
        notSupportedFailure=710,
    notUnderstoodFailure=712,
        internalServerError=720,
        resourceUnavailableError=730,
        fountainTreeNotIdleError=750,                                   //Fountain specific
        fountainTreeAlreadyInRecovery=751,                              //Fountain specific
        fountainRejoinMasterNode=752,                                   //Fountain specific
        fountainUnknownInternalFailure=799,                             //Fountain specific

        //unknown
        unknownFailure=999
};

class FountainException : public std::exception {
        private:
                FountainErrorCode code_;
        
                std::string what_;
        
    public:
                FountainException(const std::string& msg=std::string(), FountainErrorCode code=unknownFailure) throw();
        
        FountainException(const char* msg, FountainErrorCode code=unknownFailure) throw();
                
                virtual ~FountainException() throw();
                
                FountainErrorCode getCode() const { return code_; };
                
                const char* what() const throw() { return what_.c_str(); }
                
                virtual bool isFatal() const { return false; }
};

class FatalFountainException : public FountainException {
        public:
                FatalFountainException(const std::string& msg=std::string(), FountainErrorCode code=unknownFailure) throw();
        
        FatalFountainException(const char* msg, FountainErrorCode code=unknownFailure) throw();
                
                bool isFatal() const { return true; }
};


bool fountain_convert(const char* s, FountainErrorCode& t);

const char* fountain_convert(FountainErrorCode t);

#endif

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