* [RFC PATCH lttng-tools] Fix: relayd: Swap endianness of packet index
@ 2019-11-08 16:32 Mathieu Desnoyers
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From: Mathieu Desnoyers @ 2019-11-08 16:32 UTC (permalink / raw)
To: jgalar; +Cc: lttng-dev
The packet index in stream_update_index() is meant to be stored
to disk, and therefore is kept in big endian.
Swap its endianness to host endian before using it internally.
Fixes "Fix: relayd: use packet sequence number for rotation position".
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---
src/bin/lttng-relayd/stream.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/bin/lttng-relayd/stream.c b/src/bin/lttng-relayd/stream.c
index c5bf3759..f9ff5e9a 100644
--- a/src/bin/lttng-relayd/stream.c
+++ b/src/bin/lttng-relayd/stream.c
@@ -1142,7 +1142,8 @@ int stream_update_index(struct relay_stream *stream, uint64_t net_seq_num,
tracefile_array_file_rotate(stream->tfa, TRACEFILE_ROTATE_READ);
tracefile_array_commit_seq(stream->tfa);
stream->index_received_seqcount++;
- stream->received_packet_seq_num = index->index_data.packet_seq_num;
+ stream->received_packet_seq_num =
+ be64toh(index->index_data.packet_seq_num);
*flushed = true;
} else if (ret > 0) {
index->total_size = total_size;
--
2.17.1
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