[lttng-dev] [RFC PATCH lttng-tools 17/18] Add serdes functions for lttng_snapshot_output

[Yannick Lamarre]

Since those structs are only transfered across unix sockets, endianess
is kept in host order.

Signed-off-by: Yannick Lamarre <ylamarre at efficios.com>
---
 include/lttng/snapshot-internal.h        |  3 +++
 src/common/sessiond-comm/sessiond-comm.c | 28 ++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/include/lttng/snapshot-internal.h b/include/lttng/snapshot-internal.h
index bf9dfbe4..b269607d 100644
--- a/include/lttng/snapshot-internal.h
+++ b/include/lttng/snapshot-internal.h
@@ -73,4 +73,7 @@ struct lttng_snapshot_output_list {
 	struct lttng_snapshot_output *array;
 };
 
+int lttng_snapshot_output_serialize(struct lttng_snapshot_output_serialized *dst, const struct lttng_snapshot_output *src);
+int lttng_snapshot_output_deserialize(struct lttng_snapshot_output *dst, const struct lttng_snapshot_output_serialized *src);
+
 #endif /* LTTNG_SNAPSHOT_INTERNAL_ABI_H */
diff --git a/src/common/sessiond-comm/sessiond-comm.c b/src/common/sessiond-comm/sessiond-comm.c
index d71abe0c..863054d0 100644
--- a/src/common/sessiond-comm/sessiond-comm.c
+++ b/src/common/sessiond-comm/sessiond-comm.c
@@ -77,6 +77,34 @@ static const char *lttcomm_readable_code[] = {
 static unsigned long network_timeout;
 
 LTTNG_HIDDEN
+int lttng_snapshot_output_serialize(struct lttng_snapshot_output_serialized *dst,
+		const struct lttng_snapshot_output *src)
+{
+	dst->id = src->id;
+	dst->max_size = src->max_size;
+
+	memcpy(dst->name, src->name, LTTNG_NAME_MAX);
+	memcpy(dst->ctrl_url, src->ctrl_url, PATH_MAX);
+	memcpy(dst->data_url, src->data_url, PATH_MAX);
+
+	return 0;
+}
+
+LTTNG_HIDDEN
+int lttng_snapshot_output_deserialize(struct lttng_snapshot_output *dst,
+		const struct lttng_snapshot_output_serialized *src)
+{
+	dst->id = src->id;
+	dst->max_size = src->max_size;
+
+	memcpy(dst->name, src->name, LTTNG_NAME_MAX);
+	memcpy(dst->ctrl_url, src->ctrl_url, PATH_MAX);
+	memcpy(dst->data_url, src->data_url, PATH_MAX);
+
+	return 0;
+}
+
+LTTNG_HIDDEN
 int lttng_event_common_serialize(struct lttng_event_serialized *dst,
 		const struct lttng_event *src)
 {
-- 
2.11.0