Consumer rotate a channel

[lttng-tools.git] / src / common / kernel-consumer / kernel-consumer.c

diff --git a/src/common/kernel-consumer/kernel-consumer.c b/src/common/kernel-consumer/kernel-consumer.c
index 7c01bc772a008aa38a05a399c7acadf4849fd0a2..2eb1ebe5d2aa1bb555d10c64e817da53179e84d6 100644 (file)
--- a/src/common/kernel-consumer/kernel-consumer.c
+++ b/src/common/kernel-consumer/kernel-consumer.c
@@ -1119,6 +1119,42 @@ int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
                }
                break;
        }
+       case LTTNG_CONSUMER_ROTATE_CHANNEL:
+       {
+               DBG("Consumer rotate channel %" PRIu64, msg.u.rotate_channel.key);
+
+               /*
+                * Sample the rotate position of all the streams in this channel.
+                */
+               ret = lttng_consumer_rotate_channel(msg.u.rotate_channel.key,
+                               msg.u.rotate_channel.pathname,
+                               msg.u.rotate_channel.relayd_id,
+                               msg.u.rotate_channel.metadata,
+                               msg.u.rotate_channel.new_chunk_id,
+                               ctx);
+               if (ret < 0) {
+                       ERR("Rotate channel failed");
+                       ret_code = LTTCOMM_CONSUMERD_CHAN_NOT_FOUND;
+               }
+
+               health_code_update();
+
+               ret = consumer_send_status_msg(sock, ret_code);
+               if (ret < 0) {
+                       /* Somehow, the session daemon is not responding anymore. */
+                       goto end_nosignal;
+               }
+
+               /* Rotate the streams that are ready right now. */
+               ret = lttng_consumer_rotate_ready_streams(
+                               msg.u.rotate_channel.key, ctx);
+               if (ret < 0) {
+                       ERR("Rotate ready streams failed");
+                       ret_code = LTTCOMM_CONSUMERD_CHAN_NOT_FOUND;
+               }
+
+               break;
+       }
        case LTTNG_CONSUMER_ROTATE_RENAME:
        {
                DBG("Consumer rename session %" PRIu64 " after rotation, old path = \"%s\", new path = \"%s\"",