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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include "database.h"
#include "event.h"
#include "config.h"
void usage(void)
{
printf(
"usage: [options] <file> <frame> <subframe>\n"
"options:\n"
" -d <database file> this option is mandatory\n"
" -o <output file> this option is mandatory\n"
" -v verbose\n"
" -c <number of subframes> default to 1\n"
);
exit(1);
}
int main(int n, char **v)
{
char *database_filename = NULL;
void *database;
int i;
int input_event_id;
database_event_format f;
char *file = NULL;
char *output_file = NULL;
FILE *out;
int fd;
int frame = -1, subframe = -1;
int frame_arg, subframe_arg, buffer_arg;
int verbose = 0;
int number_of_subframes = 1;
int processed_subframes = 0;
for (i = 1; i < n; i++) {
if (!strcmp(v[i], "-h") || !strcmp(v[i], "--help")) usage();
if (!strcmp(v[i], "-d"))
{ if (i > n-2) usage(); database_filename = v[++i]; continue; }
if (!strcmp(v[i], "-o"))
{ if (i > n-2) usage(); output_file = v[++i]; continue; }
if (!strcmp(v[i], "-c"))
{ if (i > n-2) usage(); number_of_subframes = atoi(v[++i]); continue; }
if (!strcmp(v[i], "-v")) { verbose = 1; continue; }
if (file == NULL) { file = v[i]; continue; }
if (frame == -1) { frame = atoi(v[i]); continue; }
if (subframe == -1) { subframe = atoi(v[i]); continue; }
usage();
}
if (file == NULL || frame == -1 || subframe == -1) usage();
if (database_filename == NULL) {
printf("ERROR: provide a database file (-d)\n");
exit(1);
}
if (number_of_subframes < 1) {
printf("bad value for option -c, must be at least 1 and is %d\n",
number_of_subframes);
exit(1);
}
if (output_file == NULL) {
printf("gimme -o <output file>, thanks\n");
exit(1);
}
out = fopen(output_file, "w"); if(out==NULL){perror(output_file);exit(1);}
database = parse_database(database_filename);
load_config_file(database_filename);
input_event_id = event_id_from_name(database, "ENB_PHY_INPUT_SIGNAL");
f = get_format(database, input_event_id);
frame_arg = subframe_arg = buffer_arg = -1;
for (i = 0; i < f.count; i++) {
if (!strcmp(f.name[i], "frame")) {
if (frame_arg != -1) goto err;
if (strcmp(f.type[i], "int")) goto err;
frame_arg = i;
}
if (!strcmp(f.name[i], "subframe")) {
if (subframe_arg != -1) goto err;
if (strcmp(f.type[i], "int")) goto err;
subframe_arg = i;
}
if (!strcmp(f.name[i], "rxdata")) {
if (buffer_arg != -1) goto err;
if (strcmp(f.type[i], "buffer")) goto err;
buffer_arg = i;
}
continue;
err:
printf("cannot deal with ENB_PHY_INPUT_SIGNAL from database file\n");
exit(1);
}
if (frame_arg == -1 || subframe_arg == -1 || buffer_arg == -1) goto err;
fd = open(file, O_RDONLY);
if (fd == -1) { perror(file); exit(1); }
OBUF ebuf = { osize: 0, omaxsize: 0, obuf: NULL };
/* get wanted frame/subframe */
while (1) {
event e;
e = get_event(fd, &ebuf, database);
if (e.type == -1) break;
if (e.type != input_event_id) continue;
if (verbose)
printf("input frame %d subframe %d size %d\n",
e.e[frame_arg].i, e.e[subframe_arg].i, e.e[buffer_arg].bsize);
if (!(frame == e.e[frame_arg].i && subframe == e.e[subframe_arg].i))
continue;
#if 0
for (i = 0; i < e.e[buffer_arg].bsize/2; i++) {
short *x = e.e[buffer_arg].b;
x[i] *= 14;
}
#endif
if (fwrite(e.e[buffer_arg].b, e.e[buffer_arg].bsize, 1, out) != 1)
{ perror(output_file); exit(1); }
processed_subframes++;
number_of_subframes--;
if (!number_of_subframes) {
if (fclose(out)) perror(output_file);
printf("%d subframes dumped\n", processed_subframes);
return 0;
}
subframe++;
if (subframe == 10) { subframe = 0; frame=(frame+1)%1024; }
}
printf("frame %d subframe %d not found\n", frame, subframe);
printf("%d subframes dumped\n", processed_subframes);
fclose(out);
return 0;
}