+/*
+ * Copyright (C) 2013 - Julien Desfossez <jdesfossez@efficios.com>
+ * David Goulet <dgoulet@efficios.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License, version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 51
+ * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#define _GNU_SOURCE
+#include <assert.h>
+#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"
+
+/*
+ * Returns the HOME directory path. Caller MUST NOT free(3) the return pointer.
+ */
+static char *get_default_path(void)
+{
+ return getenv("HOME");
+}
+
+static char *create_output_path_auto(char *path_name)
+{
+ int ret;
+ char *traces_path = NULL;
+ char *alloc_path = NULL;
+ char *default_path;
+
+ default_path = get_default_path();
+ if (default_path == NULL) {
+ ERR("Home path not found.\n \
+ Please specify an output path using -o, --output PATH");
+ goto exit;
+ }
+ alloc_path = strdup(default_path);
+ if (alloc_path == NULL) {
+ PERROR("Path allocation");
+ goto exit;
+ }
+ ret = asprintf(&traces_path, "%s/" DEFAULT_TRACE_DIR_NAME
+ "/%s", alloc_path, path_name);
+ if (ret < 0) {
+ PERROR("asprintf trace dir name");
+ goto exit;
+ }
+exit:
+ free(alloc_path);
+ return traces_path;
+}
+
+static char *create_output_path_noauto(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(char *path_name)
+{
+ assert(path_name);
+
+ if (opt_output_path == NULL) {
+ return create_output_path_auto(path_name);
+ } else {
+ return create_output_path_noauto(path_name);
+ }
+}
projects / lttng-tools.git / commitdiff
