From: Philippe Proulx <eeppeliteloop@gmail.com>
Date: Sat, 13 Feb 2016 02:12:03 +0000 (-0500)
Subject: ir: add bt_ctf_event_freeze()
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=4ce9f9d080c7f4ef686f53e9a0a26e389fafe1fc

ir: add bt_ctf_event_freeze()

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/formats/ctf/ir/event.c b/formats/ctf/ir/event.c
index d18b1d7a..0999f642 100644
--- a/formats/ctf/ir/event.c
+++ b/formats/ctf/ir/event.c
@@ -33,6 +33,8 @@
 #include <babeltrace/ctf-ir/event-class-internal.h>
 #include <babeltrace/ctf-ir/stream-class.h>
 #include <babeltrace/ctf-ir/stream-class-internal.h>
+#include <babeltrace/ctf-ir/packet.h>
+#include <babeltrace/ctf-ir/packet-internal.h>
 #include <babeltrace/ctf-ir/trace-internal.h>
 #include <babeltrace/ctf-ir/validation-internal.h>
 #include <babeltrace/ctf-ir/packet-internal.h>
@@ -296,7 +298,7 @@ int bt_ctf_event_set_payload(struct bt_ctf_event *event,
 {
 	int ret = 0;
 
-	if (!event || !payload) {
+	if (!event || !payload || event->frozen) {
 		ret = -1;
 		goto end;
 	}
@@ -344,7 +346,7 @@ int bt_ctf_event_set_payload_field(struct bt_ctf_event *event,
 	int ret = 0;
 	struct bt_ctf_field_type *payload_type = NULL;
 
-	if (!event || !payload) {
+	if (!event || !payload || event->frozen) {
 		ret = -1;
 		goto end;
 	}
@@ -427,7 +429,7 @@ int bt_ctf_event_set_header(struct bt_ctf_event *event,
 	struct bt_ctf_field_type *field_type = NULL;
 	struct bt_ctf_stream_class *stream_class = NULL;
 
-	if (!event || !header) {
+	if (!event || !header || event->frozen) {
 		ret = -1;
 		goto end;
 	}
@@ -475,7 +477,7 @@ int bt_ctf_event_set_event_context(struct bt_ctf_event *event,
 	int ret = 0;
 	struct bt_ctf_field_type *field_type = NULL;
 
-	if (!event || !context) {
+	if (!event || !context || event->frozen) {
 		ret = -1;
 		goto end;
 	}
@@ -516,7 +518,7 @@ int bt_ctf_event_set_stream_event_context(struct bt_ctf_event *event,
 	struct bt_ctf_field_type *field_type = NULL;
 	struct bt_ctf_stream_class *stream_class = NULL;
 
-	if (!event || !stream_event_context) {
+	if (!event || !stream_event_context || event->frozen) {
 		ret = -1;
 		goto end;
 	}
@@ -688,7 +690,7 @@ int bt_ctf_event_populate_event_header(struct bt_ctf_event *event)
 	int ret = 0;
 	struct bt_ctf_field *id_field = NULL, *timestamp_field = NULL;
 
-	if (!event) {
+	if (!event || event->frozen) {
 		ret = -1;
 		goto end;
 	}
@@ -795,7 +797,7 @@ int bt_ctf_event_set_packet(struct bt_ctf_event *event,
 	struct bt_ctf_stream *stream = NULL;
 	int ret = 0;
 
-	if (!event || !packet) {
+	if (!event || !packet || event->frozen) {
 		ret = -1;
 		goto end;
 	}
@@ -823,3 +825,15 @@ end:
 
 	return ret;
 }
+
+BT_HIDDEN
+void bt_ctf_event_freeze(struct bt_ctf_event *event)
+{
+	assert(event);
+	bt_ctf_packet_freeze(event->packet);
+	bt_ctf_field_freeze(event->event_header);
+	bt_ctf_field_freeze(event->stream_event_context);
+	bt_ctf_field_freeze(event->context_payload);
+	bt_ctf_field_freeze(event->fields_payload);
+	event->frozen = 1;
+}
diff --git a/include/babeltrace/ctf-ir/event-internal.h b/include/babeltrace/ctf-ir/event-internal.h
index a0b83ea6..200e1ab2 100644
--- a/include/babeltrace/ctf-ir/event-internal.h
+++ b/include/babeltrace/ctf-ir/event-internal.h
@@ -46,6 +46,7 @@ struct bt_ctf_event {
 	struct bt_ctf_field *stream_event_context;
 	struct bt_ctf_field *context_payload;
 	struct bt_ctf_field *fields_payload;
+	int frozen;
 };
 
 BT_HIDDEN
@@ -67,4 +68,7 @@ int bt_ctf_event_serialize(struct bt_ctf_event *event,
 BT_HIDDEN
 int bt_ctf_event_populate_event_header(struct bt_ctf_event *event);
 
+BT_HIDDEN
+void bt_ctf_event_freeze(struct bt_ctf_event *event);
+
 #endif /* BABELTRACE_CTF_IR_EVENT_INTERNAL_H */