X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=lib%2Fgraph%2Fmessage%2Fmessage-iterator-inactivity.c;fp=lib%2Fgraph%2Fmessage%2Fmessage-iterator-inactivity.c;h=26b863f482969cf9a07abaa3767ec0b013d92479;hb=b9fd9cbba60297c02bea7473d4347c588d9724d7;hp=0000000000000000000000000000000000000000;hpb=0c5e21000b711a86f360fc29220ea6d6b6b830fa;p=babeltrace.git

diff --git a/lib/graph/message/message-iterator-inactivity.c b/lib/graph/message/message-iterator-inactivity.c
new file mode 100644
index 00000000..26b863f4
--- /dev/null
+++ b/lib/graph/message/message-iterator-inactivity.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2017-2018 Philippe Proulx <pproulx@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
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#define BT_LOG_TAG "MSG-MESSAGE-ITERATOR-INACTIVITY"
+#include <babeltrace/lib-logging-internal.h>
+
+#include <babeltrace/assert-pre-internal.h>
+#include <babeltrace/object-internal.h>
+#include <babeltrace/compiler-internal.h>
+#include <babeltrace/trace-ir/clock-class.h>
+#include <babeltrace/trace-ir/clock-snapshot-internal.h>
+#include <babeltrace/graph/message-internal.h>
+#include <babeltrace/graph/message-message-iterator-inactivity-const.h>
+#include <babeltrace/graph/message-message-iterator-inactivity.h>
+#include <babeltrace/graph/message-message-iterator-inactivity-internal.h>
+
+static
+void bt_message_message_iterator_inactivity_destroy(struct bt_object *obj)
+{
+	struct bt_message_message_iterator_inactivity *message =
+			(struct bt_message_message_iterator_inactivity *) obj;
+
+	BT_LIB_LOGD("Destroying message iterator inactivity message: %!+n",
+			message);
+
+	if (message->default_cs) {
+		bt_clock_snapshot_recycle(message->default_cs);
+		message->default_cs = NULL;
+	}
+
+	g_free(message);
+}
+
+struct bt_message *bt_message_message_iterator_inactivity_create(
+		struct bt_self_message_iterator *self_msg_iter,
+		const struct bt_clock_class *default_clock_class,
+		uint64_t value_cycles)
+{
+	struct bt_self_component_port_input_message_iterator *msg_iter =
+		(void *) self_msg_iter;
+	struct bt_message_message_iterator_inactivity *message;
+	struct bt_message *ret_msg = NULL;
+
+	BT_ASSERT_PRE_NON_NULL(msg_iter, "Message iterator");
+	BT_ASSERT_PRE_NON_NULL(default_clock_class, "Default clock class");
+	BT_LIB_LOGD("Creating message iterator inactivity message object: "
+		"%![iter-]+i, %![default-cc-]+K, value=%" PRIu64, msg_iter,
+		default_clock_class, value_cycles);
+	message = g_new0(struct bt_message_message_iterator_inactivity, 1);
+	if (!message) {
+		BT_LOGE_STR("Failed to allocate one message iterator "
+				"inactivity message.");
+		goto error;
+	}
+	bt_message_init(&message->parent,
+		BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY,
+		bt_message_message_iterator_inactivity_destroy, NULL);
+	ret_msg = &message->parent;
+	message->default_cs = bt_clock_snapshot_create(
+		(void *) default_clock_class);
+	if (!message->default_cs) {
+		goto error;
+	}
+	bt_clock_snapshot_set_raw_value(message->default_cs, value_cycles);
+
+	BT_LIB_LOGD("Created message iterator inactivity message object: %!+n",
+			ret_msg);
+	goto end;
+
+error:
+	BT_OBJECT_PUT_REF_AND_RESET(ret_msg);
+
+end:
+	return (void *) ret_msg;
+}
+
+extern enum bt_clock_snapshot_state
+bt_message_message_iterator_inactivity_borrow_default_clock_snapshot_const(
+		const bt_message *msg, const bt_clock_snapshot **snapshot)
+{
+	struct bt_message_message_iterator_inactivity *inactivity = (void *) msg;
+
+	BT_ASSERT_PRE_NON_NULL(msg, "Message");
+	BT_ASSERT_PRE_NON_NULL(snapshot, "Clock snapshot (output)");
+	BT_ASSERT_PRE_MSG_IS_TYPE(msg, BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY);
+	*snapshot = inactivity->default_cs;
+	return BT_CLOCK_SNAPSHOT_STATE_KNOWN;
+}