153e600bbc
- Add cancel() method to RttCommand to fail promise on connection close - Add dequeueAll() method to ConcurrentQueue for batch cleanup - Call clearPendingPings() in close(), suspend(), and disconnect() methods - Prevents 'leaking promise' crash when connection is closed while pings are pending
42 lines
1.2 KiB
Swift
42 lines
1.2 KiB
Swift
// Copyright 2024 The NATS Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import NIOConcurrencyHelpers
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internal class ConcurrentQueue<T> {
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private var elements: [T] = []
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private let lock = NIOLock()
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func enqueue(_ element: T) {
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lock.lock()
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defer { lock.unlock() }
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elements.append(element)
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}
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func dequeue() -> T? {
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lock.lock()
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defer { lock.unlock() }
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guard !elements.isEmpty else { return nil }
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return elements.removeFirst()
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}
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/// Dequeue all elements at once (used for cleanup)
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func dequeueAll() -> [T] {
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lock.lock()
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defer { lock.unlock() }
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let all = elements
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elements.removeAll()
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return all
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}
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}
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