float *read_flt_hdr_files(
// returns allocated array of data values;
// NOTE: caller is responsible to free this pointer!
FILE *in_flt_file, // .flt file - should be opened in BINARY mode
FILE *in_hdr_file, // .hdr file - should be opened in BINARY mode
int *nrows, // number of rows in data array
int *ncols, // number of cols in data array
double *xmin, // min X coordinate (longitude or easting)
double *xmax, // max X coordinate (longitude or easting)
double *ymin, // min Y coordinate (latitude or northing)
double *ymax, // max Y coordinate (latitude or northing)
int *has_nulls,
int *all_ints,
char * (*software) // if software != 0, returns with *software either
// null or pointing to a software name/version string;
// caller is responsible to free *software pointer!
)
{
float nodata;
int big_endian;
int skipbytes;
int rowpad;
// Read and validate .hdr file:
read_hdr_file(
in_hdr_file, nrows, ncols, xmin, xmax, ymin, ymax,
&nodata, &big_endian, &skipbytes, &rowpad, software );
// Read data from .flt file:
return read_flt_file(
in_flt_file, *nrows, *ncols, nodata, big_endian, skipbytes, rowpad,
has_nulls, all_ints );
}
int main(int argc, char *argv[]) {
int idx=1;
uuid_t fid;
char * pFid=NULL;
char * pRoot=NULL;
int ret;
int slice;
int devices;
rozofs_stor_bins_file_hdr_vall_t hdr;
char path[256];
int spare;
int block_per_chunk;
int chunk;
int chunk_stop;
/*
** read common config file
*/
common_config_read(NULL);
// Get utility name
utility_name = basename(argv[0]);
if (argc < 3) usage();
idx = 1;
while (idx < argc) {
/* -h */
if (strcmp(argv[idx], "-h") == 0) usage();
/* -d */
if (strcmp(argv[idx], "-d") == 0) {
idx++;
dump_data = 1;
continue;
}
/* -f */
if (strcmp(argv[idx], "-f") == 0) {
idx++;
if (idx == argc) {
printf("%s option set but missing value !!!\n", argv[idx-1]);
usage();
}
pFid = argv[idx];
ret = rozofs_uuid_parse( pFid, fid);
if (ret != 0) {
printf("%s is not a FID !!!\n", pFid);
usage();
}
idx++;
continue;
}
/* -p */
if (strcmp(argv[idx], "-p") == 0) {
idx++;
if (idx == argc) {
printf("%s option set but missing value !!!\n", argv[idx-1]);
usage();
}
pRoot = argv[idx];
struct statfs st;
if (statfs(pRoot, &st) != 0) {
printf("%s is not a directory !!!\n", pRoot);
usage();
}
idx++;
continue;
}
/* -a */
if (strcmp(argv[idx], "-a") == 0) {
idx++;
if (idx == argc) {
printf("%s option set but missing value !!!\n", argv[idx-1]);
usage();
}
ret = sscanf(argv[idx], "%u", &prjid);
if (ret != 1) {
printf("Bad projection identifier %s !!!\n",argv[idx]);
usage();
}
idx++;
continue;
}
/* -b */
if (strcmp(argv[idx], "-b") == 0) {
display_blocks = 1;
idx++;
if (idx == argc) {
continue;
}
ret = sscanf(argv[idx], "%llu:%llu", (long long unsigned int *)&first, (long long unsigned int *)&last);
if (ret == 2) {
if (first>last) {
printf("first block index %llu must be lower than last block index %llu !!!\n", (long long unsigned int)first, (long long unsigned int)last);
usage();
}
idx++;
continue;
}
ret = sscanf(argv[idx], ":%llu", (long long unsigned int *)&last);
if (ret == 1) {
first = 0;
idx++;
continue;
}
ret = sscanf(argv[idx], "%llu", (long long unsigned int *)&first);
if (ret == 1) {
if (argv[idx][strlen(argv[idx])-1]==':') {
last = -1;
}
else {
last = first;
}
idx++;
continue;
}
continue;
}
printf("No such option or parameter %s\n",argv[idx]);
usage();
}
if ((pFid == NULL)||(pRoot == NULL)) {
printf("Missing mandatory parameters !!!\n");
usage();
}
rozofs_layout_initialize();
/*
** Compute the FID slice
*/
slice = rozofs_storage_fid_slice(fid);
/*
** Get the number of devices
*/
devices = rozofs_storage_get_device_number(pRoot);
/*
** Find out a header file
*/
if (read_hdr_file(pRoot,devices, slice, &hdr, fid, &spare)!= 0) {
printf("No header file found for %s under %s !!!\n",pFid,pRoot);
return -1;
}
block_per_chunk = ROZOFS_STORAGE_NB_BLOCK_PER_CHUNK(hdr.v0.bsize);
if (first == 0) {
chunk = 0;
}
else {
chunk = first / block_per_chunk;
}
if (last == -1) {
chunk_stop = ROZOFS_STORAGE_MAX_CHUNK_PER_FILE+1;
}
else {
chunk_stop = (last / block_per_chunk)+1;
}
while(chunk<chunk_stop) {
int dev;
dev = rozofs_st_header_get_chunk(&hdr, chunk);
if (dev == ROZOFS_EOF_CHUNK) {
printf ("\n============ CHUNK %d EOF ================\n", chunk);
break;
}
if (dev == ROZOFS_EMPTY_CHUNK) {
printf ("\n============ CHUNK %d EMPTY ================\n", chunk);
chunk++;
continue;
}
storage_build_chunk_full_path(path, pRoot, dev, spare, slice, fid, chunk);
printf ("\n============ CHUNK %d == %s ================\n", chunk, path);
if (display_blocks) {
read_chunk_file(fid,path,&hdr,spare, chunk*block_per_chunk);
}
chunk++;
}
return 0;
}
