tests: compile some tools/tests as C++

[lttng-tools.git] / tests / utils / testapp / gen-ust-nevents / gen-ust-nevents.cpp

diff --git a/tests/utils/testapp/gen-ust-nevents/gen-ust-nevents.cpp b/tests/utils/testapp/gen-ust-nevents/gen-ust-nevents.cpp
new file mode 100644 (file)
index 0000000..ec71023
--- /dev/null
+++ b/tests/utils/testapp/gen-ust-nevents/gen-ust-nevents.cpp
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#define _LGPL_SOURCE
+#include <arpa/inet.h>
+#include <getopt.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include "utils.h"
+#include "signal-helper.h"
+
+#define TRACEPOINT_DEFINE
+#include "tp.h"
+
+static struct option long_options[] =
+{
+       /* These options set a flag. */
+       {"iter", required_argument, 0, 'i'},
+       {"wait", required_argument, 0, 'w'},
+       {"create-in-main", required_argument, 0, 'm'},
+       {"wait-before-first-event", required_argument, 0, 'b'},
+       {0, 0, 0, 0}
+};
+
+int main(int argc, char **argv)
+{
+       int i, netint, ret = 0, option_index, option;
+       long values[] = { 1, 2, 3 };
+       char text[10] = "test";
+       double dbl = 2.0;
+       float flt = 2222.0;
+       unsigned int nr_iter = 100;
+       useconds_t nr_usec = 0;
+       char *wait_before_first_event_file_path = NULL;
+       char *create_in_main_file_path = NULL;
+
+       while ((option = getopt_long(argc, argv, "i:w:b:m:",
+                       long_options, &option_index)) != -1) {
+               switch (option) {
+               case 'b':
+                       wait_before_first_event_file_path = strdup(optarg);
+                       break;
+               case 'm':
+                       create_in_main_file_path = strdup(optarg);
+                       break;
+               case 'i':
+                       nr_iter = atoi(optarg);
+                       break;
+               case 'w':
+                       nr_usec = atoi(optarg);
+                       break;
+               case '?':
+                       /* getopt_long already printed an error message. */
+               default:
+                       ret = -1;
+                       goto end;
+               }
+       }
+
+       if (set_signal_handler()) {
+               ret = -1;
+               goto end;
+       }
+
+       /*
+        * The two following sync points allow for tests to do work after the
+        * app has started BUT before it generates any events.
+        */
+       if (create_in_main_file_path) {
+               ret = create_file(create_in_main_file_path);
+               if (ret != 0) {
+                       goto end;
+               }
+       }
+
+       if (wait_before_first_event_file_path) {
+               ret = wait_on_file(wait_before_first_event_file_path);
+               if (ret != 0) {
+                       goto end;
+               }
+       }
+
+       for (i = 0; i < nr_iter; i++) {
+               netint = htonl(i);
+               tracepoint(tp, tptest1, i, netint, values, text, strlen(text),
+                          dbl, flt);
+               tracepoint(tp, tptest2, i, netint, values, text, strlen(text),
+                               dbl, flt);
+               tracepoint(tp, tptest3, i, netint, values, text, strlen(text),
+                               dbl, flt);
+               tracepoint(tp, tptest4, i, netint, values, text, strlen(text),
+                               dbl, flt);
+               tracepoint(tp, tptest5, i, netint, values, text, strlen(text),
+                               dbl, flt);
+               if (nr_usec) {
+                       if (usleep_safe(nr_usec)) {
+                               ret = -1;
+                               goto end;
+                       }
+               }
+               if (should_quit) {
+                       break;
+               }
+       }
+
+end:
+       free(create_in_main_file_path);
+       free(wait_before_first_event_file_path);
+       exit(!ret ? EXIT_SUCCESS : EXIT_FAILURE);
+}