rf_script.h

RAIDFrame是个非常好的磁盘阵列RAID仿真工具

/*
 * rf_script.h
 */
/*
 * Adapted from raidSim by MCH
 */

#ifndef _RF__RF_SCRIPT_H_
#define _RF__RF_SCRIPT_H_

#include "rf_types.h"

typedef struct RF_Script_s RF_Script_t;

struct RF_Script_s {
    long  probability;             /* the probability of selecting this action */
    long  action;                  /* the action type (read or write) */
    long  reqSize;                 /* the request size, or mean request size */
    long  alignment;               /* the request alignment */
    long  local_prob;              /* the probability that each access starts in the "local" region */
    long  local_size;              /* the size of the local region, expressed as a pctg of the size of the array */
    long  local_offset;            /* the offset into the array of the local region, again as pctg of array size */
    char  distribution;            /* the request access size distribution */
    int   trace_fd;                /* trace file descriptor */
};

int ShutdownScript(RF_Script_t *script);
RF_Script_t *ConfigureScript(char *fileName, RF_SectorCount_t diskSize,
	long *numProc);
RF_Script_t *SelectAction(RF_Script_t *script);
int ConvertActionToAccess(RF_Raid_t *raidPtr, RF_Script_t *action,
	RF_SectorCount_t diskSize, char *op, int *reqSize,
	long *seekLoc, double *delay, int *async_flag);

#endif /* !_RF__RF_SCRIPT_H_ */