X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fkernel-consumer%2Fkernel-consumer.c;h=0b793c9032e484cc55ae3c3f4b9372c07ffdc35c;hb=6e92aae66f50ea02a78aecc72bead32bcd3dbac4;hp=44d58d98317c24562a0442509418a10294986917;hpb=51a9e1c7f7fd48e2b53e258aee269a69cb8b59d3;p=lttng-tools.git

diff --git a/src/common/kernel-consumer/kernel-consumer.c b/src/common/kernel-consumer/kernel-consumer.c
index 44d58d983..0b793c903 100644
--- a/src/common/kernel-consumer/kernel-consumer.c
+++ b/src/common/kernel-consumer/kernel-consumer.c
@@ -176,6 +176,13 @@ int lttng_kconsumer_snapshot_channel(uint64_t key, char *path,
 			DBG("Kernel consumer snapshot stream %s/%s (%" PRIu64 ")",
 					path, stream->name, stream->key);
 		}
+		if (relayd_id != -1ULL) {
+			ret = consumer_send_relayd_streams_sent(relayd_id);
+			if (ret < 0) {
+				ERR("sending streams sent to relayd");
+				goto end_unlock;
+			}
+		}
 
 		ret = kernctl_buffer_flush(stream->wait_fd);
 		if (ret < 0) {
@@ -418,7 +425,7 @@ int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
 		int sock, struct pollfd *consumer_sockpoll)
 {
 	ssize_t ret;
-	enum lttng_error_code ret_code = LTTNG_OK;
+	enum lttcomm_return_code ret_code = LTTCOMM_CONSUMERD_SUCCESS;
 	struct lttcomm_consumer_msg msg;
 
 	health_code_update();
@@ -577,7 +584,7 @@ int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
 
 		health_code_update();
 
-		if (ret_code != LTTNG_OK) {
+		if (ret_code != LTTCOMM_CONSUMERD_SUCCESS) {
 			/* Channel was not found. */
 			goto end_nosignal;
 		}
@@ -751,6 +758,57 @@ int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
 				new_stream->name, fd, new_stream->relayd_stream_id);
 		break;
 	}
+	case LTTNG_CONSUMER_STREAMS_SENT:
+	{
+		struct lttng_consumer_channel *channel;
+
+		/*
+		 * Get stream's channel reference. Needed when adding the stream to the
+		 * global hash table.
+		 */
+		channel = consumer_find_channel(msg.u.sent_streams.channel_key);
+		if (!channel) {
+			/*
+			 * We could not find the channel. Can happen if cpu hotplug
+			 * happens while tearing down.
+			 */
+			ERR("Unable to find channel key %" PRIu64,
+					msg.u.sent_streams.channel_key);
+			ret_code = LTTNG_ERR_KERN_CHAN_NOT_FOUND;
+		}
+
+		health_code_update();
+
+		/*
+		 * Send status code to session daemon.
+		 */
+		ret = consumer_send_status_msg(sock, ret_code);
+		if (ret < 0) {
+			/* Somehow, the session daemon is not responding anymore. */
+			goto end_nosignal;
+		}
+
+		health_code_update();
+
+		/*
+		 * We should not send this message if we don't monitor the
+		 * streams in this channel.
+		 */
+		if (!channel->monitor) {
+			break;
+		}
+
+		health_code_update();
+		/* Send stream to relayd if the stream has an ID. */
+		if (msg.u.sent_streams.net_seq_idx != (uint64_t) -1ULL) {
+			ret = consumer_send_relayd_streams_sent(
+					msg.u.sent_streams.net_seq_idx);
+			if (ret < 0) {
+				goto end_nosignal;
+			}
+		}
+		break;
+	}
 	case LTTNG_CONSUMER_UPDATE_STREAM:
 	{
 		rcu_read_unlock();
@@ -911,7 +969,7 @@ error_fatal:
  *
  * Return 0 on success or else a negative value.
  */
-static int get_index_values(struct lttng_packet_index *index, int infd)
+static int get_index_values(struct ctf_packet_index *index, int infd)
 {
 	int ret;
 
@@ -1007,7 +1065,7 @@ ssize_t lttng_kconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
 	int err, write_index = 1;
 	ssize_t ret = 0;
 	int infd = stream->wait_fd;
-	struct lttng_packet_index index;
+	struct ctf_packet_index index;
 
 	DBG("In read_subbuffer (infd : %d)", infd);