static int log_play_time( struct deltadb *db, time_t starttime, time_t stoptime )
{
int file_errors = 0;
struct tm *starttm = localtime(&starttime);
int year = starttm->tm_year + 1900;
int day = starttm->tm_yday;
struct tm *stoptm = localtime(&stoptime);
int stopyear = stoptm->tm_year + 1900;
int stopday = stoptm->tm_yday;
char *filename = string_format("%s/%d/%d.ckpt",db->logdir,year,day);
checkpoint_read(db,filename);
free(filename);
while(1) {
char *filename = string_format("%s/%d/%d.log",db->logdir,year,day);
FILE *file = fopen(filename,"r");
if(!file) {
file_errors += 1;
fprintf(stderr,"couldn't open %s: %s\n",filename,strerror(errno));
free(filename);
if (file_errors>5)
break;
} else {
free(filename);
int keepgoing = deltadb_process_stream(db,file,starttime,stoptime);
starttime = 0;
fclose(file);
// If we reached the endtime in the file, stop.
if(!keepgoing) break;
}
day++;
if(day>=days_in_year(year)) {
year++;
day = 0;
}
// If we have passed the file, stop.
if(year>=stopyear && day>stopday) break;
}
return 1;
}
static int log_recover( struct jx_database *db, time_t snapshot )
{
char filename[PATH_MAX];
struct tm *t = gmtime(&snapshot);
int year = t->tm_year + 1900;
int day = t->tm_yday;
sprintf(filename,"%s/%d/%d.ckpt",db->logdir,year,day);
checkpoint_read(db,filename);
sprintf(filename,"%s/%d/%d.log",db->logdir,year,day);
log_replay(db,filename,snapshot);
return 1;
}
static int parse_input( struct deltadb *db )
{
checkpoint_read(db);
printf(".Checkpoint End.\n");
while(1) {
int keepgoing = log_play(db);
if(!keepgoing) break;
}
printf(".Log End.\n");
return 1;
}