--- /dev/null
+/*
+ * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com>
+ * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#define _LGPL_SOURCE
+
+#include <common/common.h>
+#include <common/sessiond-comm/relayd.h>
+
+#include <common/compat/endian.h>
+#include <common/compat/string.h>
+#include <lttng/constant.h>
+
+#include "cmd-2-2.h"
+#include "cmd-2-1.h"
+#include "utils.h"
+
+/*
+ * cmd_recv_stream_2_2 allocates path_name and channel_name.
+ */
+int cmd_recv_stream_2_2(const struct lttng_buffer_view *payload,
+ char **ret_path_name, char **ret_channel_name,
+ uint64_t *tracefile_size, uint64_t *tracefile_count)
+{
+ int ret;
+ struct lttcomm_relayd_add_stream_2_2 stream_info;
+ char *path_name = NULL;
+ char *channel_name = NULL;
+ size_t len;
+
+ if (payload->size < sizeof(stream_info)) {
+ ERR("Unexpected payload size in \"cmd_recv_stream_2_2\": expected >= %zu bytes, got %zu bytes",
+ sizeof(stream_info), payload->size);
+ ret = -1;
+ goto error;
+ }
+ memcpy(&stream_info, payload->data, sizeof(stream_info));
+
+ len = lttng_strnlen(stream_info.pathname, sizeof(stream_info.pathname));
+ /* Ensure that NULL-terminated and fits in local filename length. */
+ if (len == sizeof(stream_info.pathname) || len >= LTTNG_NAME_MAX) {
+ ret = -ENAMETOOLONG;
+ ERR("Path name too long");
+ goto error;
+ }
+ path_name = strdup(stream_info.pathname);
+ if (!path_name) {
+ PERROR("Path name allocation");
+ ret = -ENOMEM;
+ goto error;
+ }
+ len = lttng_strnlen(stream_info.channel_name, sizeof(stream_info.channel_name));
+ if (len == sizeof(stream_info.channel_name) || len >= DEFAULT_STREAM_NAME_LEN) {
+ ret = -ENAMETOOLONG;
+ ERR("Channel name too long");
+ goto error;
+ }
+ channel_name = strdup(stream_info.channel_name);
+ if (!channel_name) {
+ ret = -errno;
+ PERROR("Channel name allocation");
+ goto error;
+ }
+
+ *tracefile_size = be64toh(stream_info.tracefile_size);
+ *tracefile_count = be64toh(stream_info.tracefile_count);
+ *ret_path_name = path_name;
+ *ret_channel_name = channel_name;
+ return 0;
+error:
+ free(path_name);
+ free(channel_name);
+ return ret;
+}