Use preferred_next_frame_id rather than the last read id.

ehpor · ehpor · commit 0ce942912b41 · 2025-06-10T12:11:02.000-07:00
diff --git a/catkit2/bindings.cpp b/catkit2/bindings.cpp
@@ -965,6 +965,8 @@ PYBIND11_MODULE(catkit_bindings, m)
 	py::class_<Message>(m, "Message")
 		.def_property_readonly("topic", &Message::GetTopic)
 		.def_property_readonly("trace_id", &Message::GetTraceId)
+		.def_property_readonly("frame_id", &Message::GetFrameId)
+		.def_property_readonly("partial_frame_id", &Message::GetPartialFrameId)
 		.def_property_readonly("payload_id", &Message::GetPayloadId)
 		.def_property_readonly("producer_hostname", &Message::GetProducerHostname)
 		.def_property_readonly("producer_pid", &Message::GetProducerPid)
@@ -1164,18 +1166,18 @@ PYBIND11_MODULE(catkit_bindings, m)
 		.def("get_oldest_message_id", &LocalMessageBroker::GetOldestMessageId)
 		.def("get_message_rate", &LocalMessageBroker::GetMessageRate)
 		.def("get_all_message_topics", &LocalMessageBroker::GetAllMessageTopics)
-		.def("subscribe", [](std::shared_ptr<LocalMessageBroker> broker, std::string topic, py::object starting_frame_id, MessageSubscriptionMode mode)
+		.def("subscribe", [](std::shared_ptr<LocalMessageBroker> broker, std::string topic, py::object preferred_next_frame_id, MessageSubscriptionMode mode)
 		{
 			// Check if the starting frame ID is a number or None.
-			if (starting_frame_id.is_none())
+			if (preferred_next_frame_id.is_none())
 			{
 				return broker->Subscribe(topic, mode);
 			}
 			else
 			{
-				return broker->Subscribe(topic, py::cast<std::uint64_t>(starting_frame_id), mode);
+				return broker->Subscribe(topic, py::cast<std::uint64_t>(preferred_next_frame_id), mode);
 			}
-		}, py::arg("topic"), py::arg("starting_frame_id") = py::none(), py::arg("mode") = MessageSubscriptionMode::NewestOnly);
+		}, py::arg("topic"), py::arg("preferred_next_frame_id") = py::none(), py::arg("mode") = MessageSubscriptionMode::NewestOnly);
 
 	py::class_<PoolAllocator, std::shared_ptr<PoolAllocator>>(m, "PoolAllocator")
 		.def_static("create", [](std::shared_ptr<Memory> memory, std::uint32_t capacity)
diff --git a/catkit_core/LocalMessageBroker.cpp b/catkit_core/LocalMessageBroker.cpp
@@ -504,9 +504,9 @@ Message LocalMessageBroker::FetchMessage(TopicHeader* topic_header, size_t frame
 	return Message(header, payload, frame_id, true);
 }
 
-std::uint64_t LocalMessageBroker::GetNextMessageId(TopicHeader *topic_header, size_t last_read_frame_id, MessageSubscriptionMode mode)
+std::uint64_t LocalMessageBroker::GetNextMessageId(TopicHeader *topic_header, size_t preferred_next_frame_id, MessageSubscriptionMode mode)
 {
-	size_t frame_id = last_read_frame_id + 1;
+	size_t frame_id = preferred_next_frame_id;
 	size_t newest_frame_id = topic_header->last_frame_id.load(std::memory_order_relaxed);
 	size_t oldest_frame_id = topic_header->first_frame_id.load(std::memory_order_relaxed);
 
@@ -549,11 +549,11 @@ std::optional<Message> LocalMessageBroker::GetCurrentMessage(std::string_view to
 	return FetchMessage(topic_header, frame_id);
 }
 
-std::optional<Message> LocalMessageBroker::GetNextMessage(std::string_view topic, size_t last_read_frame_id, MessageSubscriptionMode mode, double timeout_in_seconds, EventWaitMethod wait_type, void (*error_check)())
+std::optional<Message> LocalMessageBroker::GetNextMessage(std::string_view topic, size_t preferred_next_frame_id, MessageSubscriptionMode mode, double timeout_in_seconds, EventWaitMethod wait_type, void (*error_check)())
 {
 	auto topic_header = GetTopicHeader(topic);
 
-	std::uint64_t new_frame_id = GetNextMessageId(topic_header, last_read_frame_id, mode);
+	std::uint64_t new_frame_id = GetNextMessageId(topic_header, preferred_next_frame_id, mode);
 
 	// Check if the frame is available.
 	if (topic_header->IsMessageAvailable(new_frame_id))
@@ -566,11 +566,11 @@ std::optional<Message> LocalMessageBroker::GetNextMessage(std::string_view topic
 	return FetchMessage(topic_header, new_frame_id);
 }
 
-std::optional<Message> LocalMessageBroker::TryGetNextMessage(std::string_view topic, size_t last_read_frame_id, MessageSubscriptionMode mode)
+std::optional<Message> LocalMessageBroker::TryGetNextMessage(std::string_view topic, size_t preferred_next_frame_id, MessageSubscriptionMode mode)
 {
 	auto topic_header = GetTopicHeader(topic);
 
-	std::uint64_t frame_id = GetNextMessageId(topic_header, last_read_frame_id, mode);
+	std::uint64_t frame_id = GetNextMessageId(topic_header, preferred_next_frame_id, mode);
 
 	// Check if the frame is available.
 	if (!topic_header->IsMessageAvailable(frame_id))
diff --git a/catkit_core/LocalMessageBroker.h b/catkit_core/LocalMessageBroker.h
@@ -86,10 +86,10 @@ class LocalMessageBroker : public Shareable, public MessageBroker
 	virtual std::optional<Message> GetCurrentMessage(std::string_view topic) override;
 
 	// Get the next message for a topic.
-	virtual std::optional<Message> GetNextMessage(std::string_view topic, size_t last_read_frame_id, MessageSubscriptionMode mode = MessageSubscriptionMode::NewestOnly, double timeout_in_seconds = -1, EventWaitMethod wait_type = EventWaitMethod::Default, void (*error_check)() = nullptr) override;
+	virtual std::optional<Message> GetNextMessage(std::string_view topic, size_t preferred_next_frame_id, MessageSubscriptionMode mode = MessageSubscriptionMode::NewestOnly, double timeout_in_seconds = -1, EventWaitMethod wait_type = EventWaitMethod::Default, void (*error_check)() = nullptr) override;
 
 	// Try to get the next message for a topic.
-	virtual std::optional<Message> TryGetNextMessage(std::string_view topic, size_t last_read_frame_id, MessageSubscriptionMode mode = MessageSubscriptionMode::NewestOnly) override;
+	virtual std::optional<Message> TryGetNextMessage(std::string_view topic, size_t preferred_next_frame_id, MessageSubscriptionMode mode = MessageSubscriptionMode::NewestOnly) override;
 
 	// Get the message rate for a topic.
 	virtual double GetMessageRate(std::string_view topic) override;
@@ -116,7 +116,7 @@ class LocalMessageBroker : public Shareable, public MessageBroker
 
 private:
 	Message FetchMessage(TopicHeader *topic_header, size_t frame_id);
-	std::uint64_t GetNextMessageId(TopicHeader *topic_header, size_t last_read_frame_id, MessageSubscriptionMode mode);
+	std::uint64_t GetNextMessageId(TopicHeader *topic_header, size_t preferred_next_frame_id, MessageSubscriptionMode mode);
 
 	std::shared_ptr<HybridPoolAllocator> GetAllocator(uint8_t memory_block_id);
 	std::shared_ptr<Memory> GetMemory(uint8_t memory_block_id);
diff --git a/catkit_core/MessageBroker.cpp b/catkit_core/MessageBroker.cpp
@@ -141,33 +141,33 @@ void Message::SetEndByte(std::uint64_t end_byte)
 	m_Header->end_byte = end_byte;
 }
 
-MessageSubscription::MessageSubscription(std::shared_ptr<MessageBroker> message_broker, std::string_view topic, std::uint64_t last_read_frame_id, MessageSubscriptionMode mode)
-	: m_MessageBroker(message_broker), m_Topic(topic), m_LastReadFrameId(last_read_frame_id), m_SubscriptionMode(mode)
+MessageSubscription::MessageSubscription(std::shared_ptr<MessageBroker> message_broker, std::string_view topic, std::uint64_t preferred_next_frame_id, MessageSubscriptionMode mode)
+	: m_MessageBroker(message_broker), m_Topic(topic), m_PreferredNextFrameId(preferred_next_frame_id), m_SubscriptionMode(mode)
 {
 }
 
 std::optional<Message> MessageSubscription::GetNextMessage(double timeout_in_seconds, EventWaitMethod wait_type, void (*error_check)())
 {
-	auto message = m_MessageBroker->GetNextMessage(m_Topic, m_LastReadFrameId, m_SubscriptionMode, timeout_in_seconds, wait_type, error_check);
+	auto message = m_MessageBroker->GetNextMessage(m_Topic, m_PreferredNextFrameId, m_SubscriptionMode, timeout_in_seconds, wait_type, error_check);
 
 	if (!message.has_value())
 		return message;
 
 	// We are going to return a message. Update our frame id for the next call.
-	m_LastReadFrameId = message->GetFrameId() + 1;
+	m_PreferredNextFrameId = message->GetFrameId() + 1;
 
 	return message;
 }
 
 std::optional<Message> MessageSubscription::TryGetNextMessage()
 {
-	auto message = m_MessageBroker->TryGetNextMessage(m_Topic, m_LastReadFrameId, m_SubscriptionMode);
+	auto message = m_MessageBroker->TryGetNextMessage(m_Topic, m_PreferredNextFrameId, m_SubscriptionMode);
 
 	if (!message.has_value())
 		return message;
 
 	// We are going to return a message. Update our frame id for the next call.
-	m_LastReadFrameId = message->GetFrameId() + 1;
+	m_PreferredNextFrameId = message->GetFrameId() + 1;
 
 	return message;
 }
@@ -229,7 +229,7 @@ MessageSubscription MessageBroker::Subscribe(std::string_view topic, MessageSubs
 	return Subscribe(topic, starting_frame_id, mode);
 }
 
-MessageSubscription MessageBroker::Subscribe(std::string_view topic, size_t starting_frame_id, MessageSubscriptionMode mode)
+MessageSubscription MessageBroker::Subscribe(std::string_view topic, size_t preferred_next_frame_id, MessageSubscriptionMode mode)
 {
-	return MessageSubscription(shared_from_this(), topic, starting_frame_id, mode);
+	return MessageSubscription(shared_from_this(), topic, preferred_next_frame_id, mode);
 }
diff --git a/catkit_core/MessageBroker.h b/catkit_core/MessageBroker.h
@@ -141,12 +141,12 @@ class MessageSubscription
 	std::optional<Message> TryGetNextMessage();
 
 private:
-	MessageSubscription(std::shared_ptr<MessageBroker> broker, std::string_view topic, std::uint64_t last_read_frame_id, MessageSubscriptionMode mode);
+	MessageSubscription(std::shared_ptr<MessageBroker> broker, std::string_view topic, std::uint64_t preferred_next_frame_id, MessageSubscriptionMode mode);
 
 	std::shared_ptr<MessageBroker> m_MessageBroker;
 
 	std::string m_Topic;
-	std::uint64_t m_LastReadFrameId;
+	std::uint64_t m_PreferredNextFrameId;
 	MessageSubscriptionMode m_SubscriptionMode;
 };
 
@@ -157,8 +157,8 @@ class MessageBroker : public std::enable_shared_from_this<MessageBroker>
 	virtual void PublishMessage(Message &message, bool is_final = true) = 0;
 
 	virtual std::optional<Message> GetCurrentMessage(std::string_view topic) = 0;
-	virtual std::optional<Message> GetNextMessage(std::string_view topic, size_t last_read_frame_id, MessageSubscriptionMode mode = MessageSubscriptionMode::NewestOnly, double timeout_in_seconds = -1, EventWaitMethod wait_type = EventWaitMethod::Default, void (*error_check)() = nullptr) = 0;
-	virtual std::optional<Message> TryGetNextMessage(std::string_view topic, size_t last_read_frame_id, MessageSubscriptionMode mode = MessageSubscriptionMode::NewestOnly) = 0;
+	virtual std::optional<Message> GetNextMessage(std::string_view topic, size_t preferred_next_frame_id, MessageSubscriptionMode mode = MessageSubscriptionMode::NewestOnly, double timeout_in_seconds = -1, EventWaitMethod wait_type = EventWaitMethod::Default, void (*error_check)() = nullptr) = 0;
+	virtual std::optional<Message> TryGetNextMessage(std::string_view topic, size_t preferred_next_frame_id, MessageSubscriptionMode mode = MessageSubscriptionMode::NewestOnly) = 0;
 
 	virtual std::vector<std::string> GetAllMessageTopics() = 0;
 	virtual double GetMessageRate(std::string_view topic) = 0;
@@ -173,7 +173,7 @@ class MessageBroker : public std::enable_shared_from_this<MessageBroker>
 	void PublishArray(std::string_view topic, ArrayView array, Uuid trace_id, uint8_t memory_block_id = 0);
 
 	MessageSubscription Subscribe(std::string_view topic, MessageSubscriptionMode mode = MessageSubscriptionMode::NewestOnly);
-	MessageSubscription Subscribe(std::string_view topic, size_t last_read_frame_id, MessageSubscriptionMode mode = MessageSubscriptionMode::NewestOnly);
+	MessageSubscription Subscribe(std::string_view topic, size_t preferred_next_frame_id, MessageSubscriptionMode mode = MessageSubscriptionMode::NewestOnly);
 };
 
 #endif // MESSAGE_BROKER_H
diff --git a/tests/test_message_broker.py b/tests/test_message_broker.py
@@ -1,4 +1,4 @@
-from catkit2.catkit_bindings import LocalMemory, MessageBroker, MessageSubscriptionMode
+from catkit2.catkit_bindings import LocalMemory, LocalMessageBroker, MessageSubscriptionMode
 import numpy as np
 import pytest
 
@@ -7,7 +7,7 @@ def broker():
     header = LocalMemory.create(1024 * 1024 * 512)
     block = LocalMemory.create(1024 * 1024 * 1024)
 
-    broker = MessageBroker.create(header, [block])
+    broker = LocalMessageBroker.create(header, [block])
     yield broker
 
 def test_message_subscription(broker):
@@ -22,9 +22,6 @@ def test_message_subscription(broker):
         message.payload = arr
         broker.publish_message(message)
 
-    assert subscription_newest.next_message_id == 2
-    assert subscription_sequential.next_message_id == 0
-
     message_1 = subscription_newest.get_next_message(0.01)
     message_2 = subscription_sequential.get_next_message(0.01)
     message_3 = subscription_sequential.get_next_message(0.01)
@@ -33,6 +30,9 @@ def test_message_subscription(broker):
     assert message_2 is not None
     assert message_3 is not None
 
+    assert message_1.frame_id == 2
+    assert message_2.frame_id == 0
+
     assert message_1.payload[0] == 12
     assert message_2.payload[0] == 10
     assert message_3.payload[0] == 11
@@ -45,11 +45,13 @@ def test_message_subscription(broker):
 
     assert subscription_sequential.try_get_next_message() is None
 
-    subscription_newest2 = broker.subscribe(topic, starting_frame_id=1, mode=MessageSubscriptionMode.NewestOnly)
-    assert subscription_newest2.next_message_id == 2
+    subscription_newest2 = broker.subscribe(topic, preferred_next_frame_id=1, mode=MessageSubscriptionMode.NewestOnly)
+    m = subscription_newest2.get_next_message(0.01)
+    assert m.frame_id == 2
 
-    subscription_sequential2 = broker.subscribe(topic, starting_frame_id=1, mode=MessageSubscriptionMode.Sequential)
-    assert subscription_sequential2.next_message_id == 1
+    subscription_sequential2 = broker.subscribe(topic, preferred_next_frame_id=1, mode=MessageSubscriptionMode.Sequential)
+    m = subscription_sequential2.get_next_message(0.01)
+    assert m.frame_id == 1
 
 dtypes = ['int8', 'uint8', 'int16', 'uint16', 'int32', 'uint32', 'int64', 'uint64', 'float32', 'float64', 'complex64', 'complex128']
 shapes = [[10], [10, 10], [10, 10, 10], [10, 10, 10, 10]]
@@ -65,7 +67,7 @@ def test_message_dtype_and_shape(broker, shape, dtype):
     message.payload = arr
     broker.publish_message(message)
 
-    retrieved_message = broker.get_newest_message(topic)
+    retrieved_message = broker.get_current_message(topic)
 
     assert np.all(arr == retrieved_message.payload)
     assert retrieved_message.payload.dtype == dtype
@@ -98,7 +100,7 @@ def test_message_broker_publish(broker):
 
     broker.publish_data(topic, data)
 
-    retrieved_message = broker.get_newest_message(topic)
+    retrieved_message = broker.get_current_message(topic)
 
     assert (retrieved_message.payload == arr).all()
 
@@ -107,14 +109,14 @@ def test_message_broker_trace_id(broker):
     data = b'hello world'
 
     broker.publish_data(topic, data)
-    message_1 = broker.get_newest_message(topic)
+    message_1 = broker.get_current_message(topic)
 
     broker.publish_data(topic, data * 2)
-    message_2 = broker.get_newest_message(topic)
+    message_2 = broker.get_current_message(topic)
 
     assert str(message_2.trace_id) != str(message_1.trace_id)
 
     broker.publish_data(topic, data * 3, trace_id=message_1.trace_id)
-    message_3 = broker.get_newest_message(topic)
+    message_3 = broker.get_current_message(topic)
 
     assert str(message_3.trace_id) == str(message_1.trace_id)

Original file line number	Diff line number	Diff line change
`@@ -504,9 +504,9 @@ Message LocalMessageBroker::FetchMessage(TopicHeader* topic_header, size_t frame`
`504`	`504`	`return Message(header, payload, frame_id, true);`
`505`	`505`	`}`
`506`	`506`
`507`		`-std::uint64_t LocalMessageBroker::GetNextMessageId(TopicHeader *topic_header, size_t last_read_frame_id, MessageSubscriptionMode mode)`
	`507`	`+std::uint64_t LocalMessageBroker::GetNextMessageId(TopicHeader *topic_header, size_t preferred_next_frame_id, MessageSubscriptionMode mode)`
`508`	`508`	`{`
`509`		`- size_t frame_id = last_read_frame_id + 1;`
	`509`	`+ size_t frame_id = preferred_next_frame_id;`
`510`	`510`	`size_t newest_frame_id = topic_header->last_frame_id.load(std::memory_order_relaxed);`
`511`	`511`	`size_t oldest_frame_id = topic_header->first_frame_id.load(std::memory_order_relaxed);`
`512`	`512`
`@@ -549,11 +549,11 @@ std::optional<Message> LocalMessageBroker::GetCurrentMessage(std::string_view to`
`549`	`549`	`return FetchMessage(topic_header, frame_id);`
`550`	`550`	`}`
`551`	`551`
`552`		`-std::optional<Message> LocalMessageBroker::GetNextMessage(std::string_view topic, size_t last_read_frame_id, MessageSubscriptionMode mode, double timeout_in_seconds, EventWaitMethod wait_type, void (*error_check)())`
	`552`	`+std::optional<Message> LocalMessageBroker::GetNextMessage(std::string_view topic, size_t preferred_next_frame_id, MessageSubscriptionMode mode, double timeout_in_seconds, EventWaitMethod wait_type, void (*error_check)())`
`553`	`553`	`{`
`554`	`554`	`auto topic_header = GetTopicHeader(topic);`
`555`	`555`
`556`		`- std::uint64_t new_frame_id = GetNextMessageId(topic_header, last_read_frame_id, mode);`
	`556`	`+ std::uint64_t new_frame_id = GetNextMessageId(topic_header, preferred_next_frame_id, mode);`
`557`	`557`
`558`	`558`	`// Check if the frame is available.`
`559`	`559`	`if (topic_header->IsMessageAvailable(new_frame_id))`
`@@ -566,11 +566,11 @@ std::optional<Message> LocalMessageBroker::GetNextMessage(std::string_view topic`
`566`	`566`	`return FetchMessage(topic_header, new_frame_id);`
`567`	`567`	`}`
`568`	`568`
`569`		`-std::optional<Message> LocalMessageBroker::TryGetNextMessage(std::string_view topic, size_t last_read_frame_id, MessageSubscriptionMode mode)`
	`569`	`+std::optional<Message> LocalMessageBroker::TryGetNextMessage(std::string_view topic, size_t preferred_next_frame_id, MessageSubscriptionMode mode)`
`570`	`570`	`{`
`571`	`571`	`auto topic_header = GetTopicHeader(topic);`
`572`	`572`
`573`		`- std::uint64_t frame_id = GetNextMessageId(topic_header, last_read_frame_id, mode);`
	`573`	`+ std::uint64_t frame_id = GetNextMessageId(topic_header, preferred_next_frame_id, mode);`
`574`	`574`
`575`	`575`	`// Check if the frame is available.`
`576`	`576`	`if (!topic_header->IsMessageAvailable(frame_id))`
Original file line number	Diff line number	Diff line change
`@@ -141,33 +141,33 @@ void Message::SetEndByte(std::uint64_t end_byte)`
`141`	`141`	`m_Header->end_byte = end_byte;`
`142`	`142`	`}`
`143`	`143`
`144`		`-MessageSubscription::MessageSubscription(std::shared_ptr<MessageBroker> message_broker, std::string_view topic, std::uint64_t last_read_frame_id, MessageSubscriptionMode mode)`
`145`		`- : m_MessageBroker(message_broker), m_Topic(topic), m_LastReadFrameId(last_read_frame_id), m_SubscriptionMode(mode)`
	`144`	`+MessageSubscription::MessageSubscription(std::shared_ptr<MessageBroker> message_broker, std::string_view topic, std::uint64_t preferred_next_frame_id, MessageSubscriptionMode mode)`
	`145`	`+ : m_MessageBroker(message_broker), m_Topic(topic), m_PreferredNextFrameId(preferred_next_frame_id), m_SubscriptionMode(mode)`
`146`	`146`	`{`
`147`	`147`	`}`
`148`	`148`
`149`	`149`	`std::optional<Message> MessageSubscription::GetNextMessage(double timeout_in_seconds, EventWaitMethod wait_type, void (*error_check)())`
`150`	`150`	`{`
`151`		`- auto message = m_MessageBroker->GetNextMessage(m_Topic, m_LastReadFrameId, m_SubscriptionMode, timeout_in_seconds, wait_type, error_check);`
	`151`	`+ auto message = m_MessageBroker->GetNextMessage(m_Topic, m_PreferredNextFrameId, m_SubscriptionMode, timeout_in_seconds, wait_type, error_check);`
`152`	`152`
`153`	`153`	`if (!message.has_value())`
`154`	`154`	`return message;`
`155`	`155`
`156`	`156`	`// We are going to return a message. Update our frame id for the next call.`
`157`		`- m_LastReadFrameId = message->GetFrameId() + 1;`
	`157`	`+ m_PreferredNextFrameId = message->GetFrameId() + 1;`
`158`	`158`
`159`	`159`	`return message;`
`160`	`160`	`}`
`161`	`161`
`162`	`162`	`std::optional<Message> MessageSubscription::TryGetNextMessage()`
`163`	`163`	`{`
`164`		`- auto message = m_MessageBroker->TryGetNextMessage(m_Topic, m_LastReadFrameId, m_SubscriptionMode);`
	`164`	`+ auto message = m_MessageBroker->TryGetNextMessage(m_Topic, m_PreferredNextFrameId, m_SubscriptionMode);`
`165`	`165`
`166`	`166`	`if (!message.has_value())`
`167`	`167`	`return message;`
`168`	`168`
`169`	`169`	`// We are going to return a message. Update our frame id for the next call.`
`170`		`- m_LastReadFrameId = message->GetFrameId() + 1;`
	`170`	`+ m_PreferredNextFrameId = message->GetFrameId() + 1;`
`171`	`171`
`172`	`172`	`return message;`
`173`	`173`	`}`
`@@ -229,7 +229,7 @@ MessageSubscription MessageBroker::Subscribe(std::string_view topic, MessageSubs`
`229`	`229`	`return Subscribe(topic, starting_frame_id, mode);`
`230`	`230`	`}`
`231`	`231`
`232`		`-MessageSubscription MessageBroker::Subscribe(std::string_view topic, size_t starting_frame_id, MessageSubscriptionMode mode)`
	`232`	`+MessageSubscription MessageBroker::Subscribe(std::string_view topic, size_t preferred_next_frame_id, MessageSubscriptionMode mode)`
`233`	`233`	`{`
`234`		`- return MessageSubscription(shared_from_this(), topic, starting_frame_id, mode);`
	`234`	`+ return MessageSubscription(shared_from_this(), topic, preferred_next_frame_id, mode);`
`235`	`235`	`}`