/*
- * stream.c
- *
- * Babeltrace trace IR - Stream
- *
+ * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
* Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
#include <babeltrace/lib-logging-internal.h>
#include <babeltrace/assert-pre-internal.h>
+#include <babeltrace/trace-ir/stream-const.h>
#include <babeltrace/trace-ir/stream.h>
#include <babeltrace/trace-ir/stream-internal.h>
#include <babeltrace/trace-ir/stream-class.h>
#include <babeltrace/trace-ir/trace.h>
#include <babeltrace/trace-ir/trace-internal.h>
#include <babeltrace/trace-ir/packet-internal.h>
-#include <babeltrace/ref.h>
#include <babeltrace/compiler-internal.h>
#include <babeltrace/align-internal.h>
#include <babeltrace/assert-internal.h>
if (stream->name.str) {
g_string_free(stream->name.str, TRUE);
+ stream->name.str = NULL;
+ stream->name.value = NULL;
}
+ BT_LOGD_STR("Putting stream's class.");
+ bt_object_put_ref(stream->class);
bt_object_pool_finalize(&stream->packet_pool);
g_free(stream);
}
static
struct bt_stream *create_stream_with_id(struct bt_stream_class *stream_class,
- uint64_t id)
+ struct bt_trace *trace, uint64_t id)
{
int ret;
struct bt_stream *stream;
- struct bt_trace *trace;
BT_ASSERT(stream_class);
- trace = bt_stream_class_borrow_trace_inline(stream_class);
+ BT_ASSERT(trace);
+ BT_ASSERT_PRE(trace->class ==
+ bt_stream_class_borrow_trace_class_inline(stream_class),
+ "Trace's class is different from stream class's parent trace class: "
+ "%![sc-]+S, %![trace-]+t", stream_class, trace);
BT_ASSERT_PRE(stream_id_is_unique(trace, stream_class, id),
"Duplicate stream ID: %![trace-]+t, id=%" PRIu64, trace, id);
BT_ASSERT_PRE(!trace->is_static,
}
stream->class = stream_class;
+ bt_object_get_no_null_check(stream_class);
+
+ /* bt_trace_add_stream() sets the parent trace, and freezes the trace */
bt_trace_add_stream(trace, stream);
+
bt_stream_class_freeze(stream_class);
BT_LIB_LOGD("Created stream object: %!+s", stream);
goto end;
error:
- BT_PUT(stream);
+ BT_OBJECT_PUT_REF_AND_RESET(stream);
end:
return stream;
}
-struct bt_stream *bt_stream_create(struct bt_stream_class *stream_class)
+struct bt_stream *bt_stream_create(struct bt_stream_class *stream_class,
+ struct bt_trace *trace)
{
uint64_t id;
BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
BT_ASSERT_PRE(stream_class->assigns_automatic_stream_id,
"Stream class does not automatically assigns stream IDs: "
"%![sc-]+S", stream_class);
- id = bt_trace_get_automatic_stream_id(
- bt_stream_class_borrow_trace_inline(stream_class),
- stream_class);
- return create_stream_with_id(stream_class, id);
+ id = bt_trace_get_automatic_stream_id(trace, stream_class);
+ return create_stream_with_id(stream_class, trace, id);
}
struct bt_stream *bt_stream_create_with_id(struct bt_stream_class *stream_class,
- uint64_t id)
+ struct bt_trace *trace, uint64_t id)
{
+ BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
+ BT_ASSERT_PRE_NON_NULL(trace, "Trace");
BT_ASSERT_PRE(!stream_class->assigns_automatic_stream_id,
"Stream class automatically assigns stream IDs: "
"%![sc-]+S", stream_class);
- return create_stream_with_id(stream_class, id);
+ return create_stream_with_id(stream_class, trace, id);
}
struct bt_stream_class *bt_stream_borrow_class(struct bt_stream *stream)
return stream->class;
}
-const char *bt_stream_get_name(struct bt_stream *stream)
+const struct bt_stream_class *bt_stream_borrow_class_const(
+ const struct bt_stream *stream)
+{
+ return bt_stream_borrow_class((void *) stream);
+}
+
+struct bt_trace *bt_stream_borrow_trace(struct bt_stream *stream)
+{
+ BT_ASSERT_PRE_NON_NULL(stream, "Stream");
+ return bt_stream_borrow_trace_inline(stream);
+}
+
+const struct bt_trace *bt_stream_borrow_trace_const(
+ const struct bt_stream *stream)
+{
+ return bt_stream_borrow_trace((void *) stream);
+}
+
+const char *bt_stream_get_name(const struct bt_stream *stream)
{
BT_ASSERT_PRE_NON_NULL(stream, "Stream class");
return stream->name.value;
BT_ASSERT_PRE_STREAM_HOT(stream);
g_string_assign(stream->name.str, name);
stream->name.value = stream->name.str->str;
- BT_LIB_LOGV("Set stream class's name: %!+S", stream);
+ BT_LIB_LOGV("Set stream class's name: %!+s", stream);
return 0;
}
-uint64_t bt_stream_get_id(struct bt_stream *stream)
+uint64_t bt_stream_get_id(const struct bt_stream *stream)
{
BT_ASSERT_PRE_NON_NULL(stream, "Stream class");
return stream->id;
}
BT_HIDDEN
-void _bt_stream_freeze(struct bt_stream *stream)
+void _bt_stream_freeze(const struct bt_stream *stream)
{
- /* The field types and default clock class are already frozen */
+ /* The field classes and default clock class are already frozen */
BT_ASSERT(stream);
BT_LIB_LOGD("Freezing stream: %!+s", stream);
- stream->frozen = true;
+ ((struct bt_stream *) stream)->frozen = true;
+}
+
+void bt_stream_get_ref(const struct bt_stream *stream)
+{
+ bt_object_get_ref(stream);
+}
+
+void bt_stream_put_ref(const struct bt_stream *stream)
+{
+ bt_object_put_ref(stream);
}