Relayd add_stream command handle tracefile rotation

[lttng-tools.git] / src / bin / lttng-relayd / cmd-2-2.c

diff --git a/src/bin/lttng-relayd/cmd-2-2.c b/src/bin/lttng-relayd/cmd-2-2.c
new file mode 100644 (file)
index 0000000..0450fbf
--- /dev/null
+++ b/src/bin/lttng-relayd/cmd-2-2.c
@@ -0,0 +1,64 @@
+/*
+ * 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 <string.h>
+
+#include <common/common.h>
+#include <common/sessiond-comm/relayd.h>
+
+#include "cmd-generic.h"
+#include "cmd-2-1.h"
+#include "utils.h"
+
+int cmd_recv_stream_2_2(struct relay_command *cmd, struct relay_stream *stream)
+{
+       int ret;
+       struct lttcomm_relayd_add_stream_2_2 stream_info;
+
+       assert(cmd);
+       assert(stream);
+
+       ret = cmd_recv(cmd->sock, &stream_info, sizeof(stream_info));
+       if (ret < 0) {
+               ERR("Unable to recv stream version 2.2");
+               goto error;
+       }
+
+       stream->path_name = create_output_path(stream_info.pathname);
+       if (stream->path_name == NULL) {
+               PERROR("Path name allocation");
+               ret = -ENOMEM;
+               goto error;
+       }
+
+       stream->channel_name = strdup(stream_info.channel_name);
+       if (stream->channel_name == NULL) {
+               ret = -errno;
+               PERROR("Path name allocation");
+               goto error;
+       }
+
+       stream->tracefile_size = be64toh(stream_info.tracefile_size);
+       stream->tracefile_count = be64toh(stream_info.tracefile_count);
+       ret = 0;
+
+error:
+       return ret;
+}