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T: add extract_output_subframe

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This tracer extracts output subframes generated by the eNodeB,
so they can be analyzed with some external tools.
This commit is contained in:
Cedric Roux
2017-10-27 16:14:39 +02:00
parent d413de0ad7
commit 8dd3a2bdc4
2 changed files with 164 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
common/utils/T/tracer/Makefile
+6 -1
View File
@@ -6,7 +6,7 @@ CFLAGS=-Wall -g -pthread -DT_TRACER -I.
LIBS=-lX11 -lm -lpng -lXft
all: record replay extract_config textlog enb ue vcd macpdu2wireshark \
extract_input_subframe
extract_input_subframe extract_output_subframe
record: utils.o record.o database.o config.o
$(CC) $(CFLAGS) -o record $^ $(LIBS)
@@ -21,6 +21,10 @@ extract_input_subframe: extract_input_subframe.o database.o event.o utils.o \
config.o
$(CC) $(CFLAGS) -o $@ $^ $(LIBS)
extract_output_subframe: extract_output_subframe.o database.o event.o utils.o \
config.o
$(CC) $(CFLAGS) -o $@ $^ $(LIBS)
textlog: utils.o textlog.o database.o event.o handler.o config.o \
event_selector.o view/view.a gui/gui.a logger/logger.a \
filter/filter.a
@@ -65,6 +69,7 @@ filter/filter.a:
clean:
rm -f *.o core tracer_remote textlog enb ue vcd record replay
rm -f extract_config macpdu2wireshark extract_input_subframe
rm -f extract_output_subframe
cd gui && make clean
cd view && make clean
cd logger && make clean
common/utils/T/tracer/extract_output_subframe.c
+158
View File
@@ -0,0 +1,158 @@
#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> <number of subframes>\n"
" the program dumps 'number of subframes' subframes starting\n"
" at 'frame:suubframe'\n"
"options:\n"
" -d <database file> this option is mandatory\n"
" -o <output file> output to file (default: stdout)\n"
" -v verbose\n"
);
exit(1);
}
int main(int n, char **v)
{
char *database_filename = NULL;
void *database;
int i;
int output_event_id;
database_event_format f;
char *file = NULL;
int fd;
int frame = -1, subframe = -1;
int number_of_subframes = -1;
int frame_arg, subframe_arg, buffer_arg;
int verbose = 0;
char *out_filename = NULL;
FILE *out;
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(); out_filename = 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; }
if (number_of_subframes == -1) {number_of_subframes=atoi(v[i]);continue;}
usage();
}
if (file == NULL || frame == -1 || subframe == -1 ||
number_of_subframes == -1) usage();
if (database_filename == NULL) {
printf("ERROR: provide a database file (-d)\n");
exit(1);
}
if (out_filename == NULL) out = stdout;
else {
out = fopen(out_filename, "w");
if (out == NULL) { perror(out_filename); exit(1); }
}
database = parse_database(database_filename);
load_config_file(database_filename);
output_event_id = event_id_from_name(database, "ENB_PHY_OUTPUT_SIGNAL");
f = get_format(database, output_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], "txdata")) {
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_OUTPUT_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); }
int last_frame = -1;
int last_subframe = -1;
int subframe_written = 0;
while (1) {
char v[T_BUFFER_MAX];
event e;
e = get_event(fd, v, database);
if (e.type == -1) break;
if (e.type != output_event_id) continue;
if (verbose)
printf("found output frame %d subframe %d size %d\n",
e.e[frame_arg].i, e.e[subframe_arg].i, e.e[buffer_arg].bsize);
if (!(last_frame != -1 ||
(frame == e.e[frame_arg].i && subframe == e.e[subframe_arg].i)))
continue;
frame = e.e[frame_arg].i;
subframe = e.e[subframe_arg].i;
if (last_frame != -1) {
if (frame*10+subframe != (last_frame*10+last_subframe + 1) % 10240) {
printf("error: discontinuity, not what you want...\n");
exit(1);
}
}
last_frame = frame;
last_subframe = subframe;
#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 (verbose)
printf("save output frame %d subframe %d size %d\n",
e.e[frame_arg].i, e.e[subframe_arg].i, e.e[buffer_arg].bsize);
if (fwrite(e.e[buffer_arg].b, e.e[buffer_arg].bsize, 1, out) != 1) {
perror(out_filename);
exit(1);
}
subframe_written++;
if (subframe_written != number_of_subframes)
continue;
/* done */
fflush(out);
if (out_filename != NULL) {
if (fclose(out)) perror(out_filename);
}
if (verbose)
printf("%d subframes written\n", subframe_written);
return 0;
}
printf("error with input file, %d subframe written\n", subframe_written);
fflush(out);
if (out_filename != NULL) {
if (fclose(out)) perror(out_filename);
}
return 1;
}