X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Fcmd-2-4.cpp;fp=src%2Fbin%2Flttng-relayd%2Fcmd-2-4.cpp;h=7abc371f06732056bf61435d8bf71750cdb3a774;hb=ac497a37018f3c253d2e50397294f58d33f7f24f;hp=0000000000000000000000000000000000000000;hpb=7966af5763c4aaca39df9bbfa9277ff15715c720;p=lttng-tools.git

diff --git a/src/bin/lttng-relayd/cmd-2-4.cpp b/src/bin/lttng-relayd/cmd-2-4.cpp
new file mode 100644
index 000000000..7abc371f0
--- /dev/null
+++ b/src/bin/lttng-relayd/cmd-2-4.cpp
@@ -0,0 +1,66 @@
+/*
+ * 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-2-4.h"
+#include "lttng-relayd.h"
+
+int cmd_create_session_2_4(const struct lttng_buffer_view *payload,
+		char *session_name, char *hostname,
+		uint32_t *live_timer, bool *snapshot)
+{
+	int ret;
+	struct lttcomm_relayd_create_session_2_4 session_info;
+	size_t len;
+
+	if (payload->size < sizeof(session_info)) {
+		ERR("Unexpected payload size in \"cmd_create_session_2_4\": expected >= %zu bytes, got %zu bytes",
+				sizeof(session_info), payload->size);
+		ret = -1;
+		goto error;
+	}
+	memcpy(&session_info, payload->data, sizeof(session_info));
+
+	len = lttng_strnlen(session_info.session_name, sizeof(session_info.session_name));
+	/* Ensure that NULL-terminated and fits in local filename length. */
+	if (len == sizeof(session_info.session_name) || len >= LTTNG_NAME_MAX) {
+		ret = -ENAMETOOLONG;
+		ERR("Session name too long");
+		goto error;
+	} else if (len == 0) {
+		ret = -EINVAL;
+		ERR("Session name can't be of length 0");
+		goto error;
+	}
+	strncpy(session_name, session_info.session_name, LTTNG_NAME_MAX);
+
+	len = lttng_strnlen(session_info.hostname, sizeof(session_info.hostname));
+	if (len == sizeof(session_info.hostname) || len >= LTTNG_HOST_NAME_MAX) {
+		ret = -ENAMETOOLONG;
+		ERR("Session name too long");
+		goto error;
+	}
+	strncpy(hostname, session_info.hostname, LTTNG_HOST_NAME_MAX);
+
+	*live_timer = be32toh(session_info.live_timer);
+	*snapshot = be32toh(session_info.snapshot);
+
+	ret = 0;
+
+error:
+	return ret;
+}