Command to rename a folder

[lttng-tools.git] / src / bin / lttng-sessiond / consumer.c

diff --git a/src/bin/lttng-sessiond/consumer.c b/src/bin/lttng-sessiond/consumer.c
index 47357309246becaea233fdc068906a9cd99bdd27..8727ce3776a1d85d80a9bdef7ae09110cedb256e 100644 (file)
--- a/src/bin/lttng-sessiond/consumer.c
+++ b/src/bin/lttng-sessiond/consumer.c
@@ -1580,6 +1580,62 @@ end:
        return ret;
 }
 
+int consumer_rotate_rename(struct consumer_socket *socket, uint64_t session_id,
+               const struct consumer_output *output, const char *old_path,
+               const char *new_path, uid_t uid, gid_t gid)
+{
+       int ret;
+       struct lttcomm_consumer_msg msg;
+       size_t old_path_length, new_path_length;
+
+       assert(socket);
+       assert(old_path);
+       assert(new_path);
+
+       DBG("Consumer rotate rename session %" PRIu64 ", old path = \"%s\", new_path = \"%s\"",
+                       session_id, old_path, new_path);
+
+       old_path_length = strlen(old_path);
+       if (old_path_length >= sizeof(msg.u.rotate_rename.old_path)) {
+               ERR("consumer_rotate_rename: old path length (%zu bytes) exceeds the maximal length allowed by the consumer protocol (%zu bytes)",
+                               old_path_length + 1, sizeof(msg.u.rotate_rename.old_path));
+               ret = -1;
+               goto error;
+       }
+
+       new_path_length = strlen(new_path);
+       if (new_path_length >= sizeof(msg.u.rotate_rename.new_path)) {
+               ERR("consumer_rotate_rename: new path length (%zu bytes) exceeds the maximal length allowed by the consumer protocol (%zu bytes)",
+                               new_path_length + 1, sizeof(msg.u.rotate_rename.new_path));
+               ret = -1;
+               goto error;
+       }
+
+       memset(&msg, 0, sizeof(msg));
+       msg.cmd_type = LTTNG_CONSUMER_ROTATE_RENAME;
+       msg.u.rotate_rename.session_id = session_id;
+       msg.u.rotate_rename.uid = uid;
+       msg.u.rotate_rename.gid = gid;
+       strcpy(msg.u.rotate_rename.old_path, old_path);
+       strcpy(msg.u.rotate_rename.new_path, new_path);
+
+       if (output->type == CONSUMER_DST_NET) {
+               msg.u.rotate_rename.relayd_id = output->net_seq_index;
+       } else {
+               msg.u.rotate_rename.relayd_id = -1ULL;
+       }
+
+       health_code_update();
+       ret = consumer_send_msg(socket, &msg);
+       if (ret < 0) {
+               goto error;
+       }
+
+error:
+       health_code_update();
+       return ret;
+}
+
 /*
  * Ask the consumer to create a directory.
  *