* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <assert.h>
#include <arpa/inet.h>
+#include <fcntl.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
+#include <stdbool.h>
#define TRACEPOINT_DEFINE
#include "tp.h"
+void create_file(const char *path)
+{
+ int ret;
+
+ assert(path);
+
+ ret = creat(path, S_IRWXU);
+ if (ret < 0) {
+ fprintf(stderr, "Failed to create file %s\n", path);
+ return;
+ }
+
+ (void) close(ret);
+}
+
int main(int argc, char **argv)
{
- int i, netint;
+ unsigned int i, netint;
long values[] = { 1, 2, 3 };
char text[10] = "test";
double dbl = 2.0;
float flt = 2222.0;
- unsigned int nr_iter = 100;
+ int nr_iter = 100;
useconds_t nr_usec = 0;
+ char *tmp_file_path = NULL;
+ bool file_created = false;
if (argc >= 2) {
+ /*
+ * If nr_iter is negative, do an infinite tracing loop.
+ */
nr_iter = atoi(argv[1]);
}
- if (argc == 3) {
+ if (argc >= 3) {
/* By default, don't wait unless user specifies. */
nr_usec = atoi(argv[2]);
}
- for (i = 0; i < nr_iter; i++) {
+ if (argc >= 4) {
+ tmp_file_path = argv[3];
+ }
+
+ for (i = 0; nr_iter < 0 || i < nr_iter; i++) {
netint = htonl(i);
- tracepoint(tp, tptest, i, netint, values, text, strlen(text),
- dbl, flt);
+ tracepoint(tp, tptest, i, netint, values, text, strlen(text), dbl,
+ flt);
+
+ /*
+ * First loop we create the file if asked to indicate that at least one
+ * tracepoint has been hit.
+ */
+ if (!file_created && tmp_file_path) {
+ create_file(tmp_file_path);
+ file_created = true;
+ }
usleep(nr_usec);
}