From 0293141817246a0997afaced621c4cac98919bf6 Mon Sep 17 00:00:00 2001
From: Cedric Roux <cedric.roux@eurecom.fr>
Date: Sun, 20 Aug 2017 22:52:35 +0200
Subject: [PATCH] T tracer: add a new tool: extract_input_subframe
This program extracts a given subframe from a recorded trace.
---
common/utils/T/tracer/Makefile | 9 +-
.../utils/T/tracer/extract_input_subframe.c | 109 ++++++++++++++++++
2 files changed, 116 insertions(+), 2 deletions(-)
create mode 100644 common/utils/T/tracer/extract_input_subframe.c
diff --git a/common/utils/T/tracer/Makefile b/common/utils/T/tracer/Makefile
index fd58005fff..6546345968 100644
--- a/common/utils/T/tracer/Makefile
+++ b/common/utils/T/tracer/Makefile
@@ -5,7 +5,8 @@ CFLAGS=-Wall -g -pthread -DT_TRACER -I.
LIBS=-lX11 -lm -lpng -lXft
-all: record replay extract_config textlog enb ue vcd macpdu2wireshark
+all: record replay extract_config textlog enb ue vcd macpdu2wireshark \
+ extract_input_subframe
record: utils.o record.o database.o config.o
$(CC) $(CFLAGS) -o record $^ $(LIBS)
@@ -16,6 +17,10 @@ replay: utils.o replay.o
extract_config: extract_config.o
$(CC) $(CFLAGS) -o extract_config $^ $(LIBS)
+extract_input_subframe: extract_input_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
@@ -59,7 +64,7 @@ filter/filter.a:
clean:
rm -f *.o core tracer_remote textlog enb ue vcd record replay
- rm -f extract_config macpdu2wireshark
+ rm -f extract_config macpdu2wireshark extract_input_subframe
cd gui && make clean
cd view && make clean
cd logger && make clean
diff --git a/common/utils/T/tracer/extract_input_subframe.c b/common/utils/T/tracer/extract_input_subframe.c
new file mode 100644
index 0000000000..b5f74b3b27
--- /dev/null
+++ b/common/utils/T/tracer/extract_input_subframe.c
@@ -0,0 +1,109 @@
+#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"
+" -v verbose\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;
+ int fd;
+ int frame = -1, subframe = -1;
+ int frame_arg, subframe_arg, buffer_arg;
+ int verbose = 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], "-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);
+ }
+
+ 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); }
+
+ /* get wanted frame/subframe */
+ while (1) {
+ char v[T_BUFFER_MAX];
+ event e;
+ e = get_event(fd, v, 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
+ fwrite(e.e[buffer_arg].b, e.e[buffer_arg].bsize, 1, stdout);
+ fflush(stdout);
+ return 0;
+ }
+
+ printf("frame %d subframe %d not found\n", frame, subframe);
+ return 0;
+}
--
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