/* Header file for CS 3251 UDP Programming Assignment */

#define SRVPORT 23251
#define SRVADDR "130.207.8.20"  

#define REQUEST  0 

typedef struct hw8Msg {
	u_long cookie;		/* random number identifying packet   */
	u_long uSSN;		/* Social Security Number             */
	u_long request_reply;	/* 0=request, non-zero=reply          */
	u_short outcome_result;	/* outcome: 1 bit: 0=success, 1=error */
				/* response: 15 bits; if outcome is 0 */
				/*           if outcome is 0,         */
				/*              indicates pobox       */
				/*           it outcome is 1,         */
				/*              indicates error       */
	u_short checksum;	/* Checksum for packet                */
} HWMSG;

/* These macros are used to set/read the Outcome and
 * Results parts of the outcome_res field.
 */

#define setOutcome(outcome_res, outcome) (outcome_res)|=((outcome&0x01)<<15)
#define getOutcome(outcome_res) ((outcome_res>>15)&0x01)

#define setResult(outcome_res, res) (outcome_res)|=(res&0x7fff)
#define getResult(outcome_res) (outcome_res&0x7fff)


/* Values returned by the server in the result portion of */
/* the outcome_res field.                                 */
#define ERROR_CHECKSUM 1  /* request failed checksum */
#define ERROR_SYNTAX 2    /* request was malformed */
#define ERROR_UNKSSN 3    /* requested SSN not in database */
#define ERROR_SERVER 5    /* other server malfunction */