bin: compile lttng-relayd as a C++

[lttng-tools.git] / src / bin / lttng-relayd / utils.cpp

diff --git a/src/bin/lttng-relayd/utils.cpp b/src/bin/lttng-relayd/utils.cpp
new file mode 100644 (file)
index 0000000..599f7ff
--- /dev/null
+++ b/src/bin/lttng-relayd/utils.cpp
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com>
+ * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#define _LGPL_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <common/common.h>
+#include <common/defaults.h>
+#include <common/utils.h>
+
+#include "lttng-relayd.h"
+#include "utils.h"
+
+static char *create_output_path_auto(const char *path_name)
+{
+       int ret;
+       char *traces_path = NULL;
+       const char *default_path;
+
+       default_path = utils_get_home_dir();
+       if (default_path == NULL) {
+               ERR("Home path not found.\n \
+                               Please specify an output path using -o, --output PATH");
+               goto exit;
+       }
+       ret = asprintf(&traces_path, "%s/" DEFAULT_TRACE_DIR_NAME
+                       "/%s", default_path, path_name);
+       if (ret < 0) {
+               PERROR("asprintf trace dir name");
+               goto exit;
+       }
+exit:
+       return traces_path;
+}
+
+static char *create_output_path_noauto(const char *path_name)
+{
+       int ret;
+       char *traces_path = NULL;
+       char *full_path;
+
+       full_path = utils_expand_path(opt_output_path);
+       if (!full_path) {
+               goto exit;
+       }
+
+       ret = asprintf(&traces_path, "%s/%s", full_path, path_name);
+       if (ret < 0) {
+               PERROR("asprintf trace dir name");
+               goto exit;
+       }
+exit:
+       free(full_path);
+       return traces_path;
+}
+
+/*
+ * Create the output trace directory path name string.
+ *
+ * Return the allocated string containing the path name or else NULL.
+ */
+char *create_output_path(const char *path_name)
+{
+       LTTNG_ASSERT(path_name);
+
+       if (opt_output_path == NULL) {
+               return create_output_path_auto(path_name);
+       } else {
+               return create_output_path_noauto(path_name);
+       }
+}