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#include "common.h"
int main(int argc, char *argv[]) {
FILE *fp;
struct mstat_record_t p;
char **fields;
size_t fields_total;
if (argc < 2) {
fprintf(stderr, "Missing path to *.mstat data file\n");
exit(1);
}
if (access(argv[1], F_OK)) {
perror(argv[1]);
exit(1);
}
fp = mstat_open(argv[1]);
if (!fp) {
perror(argv[1]);
exit(1);
}
fields = mstat_read_fields(fp);
if (!fields) {
fprintf(stderr, "Unable to obtain field names from %s\n", argv[1]);
exit(1);
}
fields_total = mstat_get_field_count(fp);
for (size_t i = 0; i < fields_total; i++) {
printf("%s", fields[i]);
if (i < fields_total - 1) {
printf(",");
}
}
puts("");
if (mstat_rewind(fp) < 0) {
perror("Unable to rewind");
exit(1);
}
while (!mstat_iter(fp, &p)) {
char buf[1024] = {0};
for (size_t i = 0; i < fields_total; i++) {
struct mstat_record_t *pptr = &p;
union mstat_field_t result;
result = mstat_get_field_by_name(pptr, fields[i]);
if (!strcmp(fields[i], "timestamp")) {
snprintf(buf, sizeof(buf) - 1, "%lf", result.d64);
} else {
snprintf(buf, sizeof(buf) - 1, "%zu", result.u64);
}
if (i < fields_total - 1) {
strcat(buf, ",");
}
printf("%s", buf);
}
puts("");
}
fclose(fp);
return 0;
}
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