38 lines
1.1 KiB
Swift
38 lines
1.1 KiB
Swift
import Dependencies
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import Logging
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import Models
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import MQTTManager
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import ServiceLifecycle
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public struct MQTTConnectionService: Service {
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@Dependency(\.mqtt) var mqtt
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private let logger: Logger?
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public init(
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logger: Logger? = nil
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) {
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self.logger = logger
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}
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/// The entry-point of the service which starts the connection
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/// to the MQTT broker and handles graceful shutdown of the
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/// connection.
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public func run() async throws {
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try await withGracefulShutdownHandler {
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try await mqtt.connect()
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for await event in try mqtt.connectionStream().cancelOnGracefulShutdown() {
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// We don't really need to do anything with the events, so just logging
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// for now. But we need to iterate on an async stream for the service to
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// continue to run and handle graceful shutdowns.
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logger?.trace("Received connection event: \(event)")
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}
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// when we reach here we are shutting down, so we shutdown
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// the manager.
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mqtt.shutdown()
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} onGracefulShutdown: {
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self.logger?.trace("Received graceful shutdown.")
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}
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}
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}
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