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
45 lines
1.5 KiB
Swift
45 lines
1.5 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 Foundation
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import NIOCore
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internal class RttCommand {
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let startTime = DispatchTime.now()
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let promise: EventLoopPromise<TimeInterval>?
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static func makeFrom(channel: Channel?) -> RttCommand {
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RttCommand(promise: channel?.eventLoop.makePromise(of: TimeInterval.self))
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}
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private init(promise: EventLoopPromise<TimeInterval>?) {
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self.promise = promise
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}
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func setRoundTripTime() {
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let now = DispatchTime.now()
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let nanoTime = now.uptimeNanoseconds - startTime.uptimeNanoseconds
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let rtt = TimeInterval(nanoTime) / 1_000_000_000 // Convert nanos to seconds
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promise?.succeed(rtt)
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}
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func getRoundTripTime() async throws -> TimeInterval {
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try await promise?.futureResult.get() ?? 0
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}
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/// Cancel the ping request to avoid promise leaks when connection is closed
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func cancel() {
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promise?.fail(NatsError.ClientError.connectionClosed)
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}
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}
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