Update to use lifecycle

Package.swift

@@ -24,6 +24,7 @@ let package = Package(
         .package(url: "https://github.com/apple/swift-nio.git", from: "2.42.0"),
         .package(url: "https://github.com/apple/swift-nio-ssl.git", from: "2.6.0"),
         .package(url: "https://github.com/apple/swift-nio-http2.git", from: "1.9.0"),
+        .package(url: "https://github.com/swift-server/swift-service-lifecycle.git", from: "2.0.0"),
     ],
     targets: [
         .executableTarget(
@@ -52,6 +53,7 @@ let package = Package(
             dependencies: [
                 .product(name: "Crypto", package: "swift-crypto"),
                 .product(name: "AsyncHTTPClient", package: "async-http-client"),
+                .product(name: "ServiceLifecycle", package: "swift-service-lifecycle"),
                 .target(name: "APNSCore"),
             ]
         ),

Sources/APNS/APNSClient.swift

@@ -22,9 +22,10 @@ import NIOHTTP1
 import NIOSSL
 import NIOTLS
 import NIOPosix
+import ServiceLifecycle
 
 /// A client to talk with the Apple Push Notification services.
-public final class APNSClient<Decoder: APNSJSONDecoder, Encoder: APNSJSONEncoder>: APNSClientProtocol {
+public final class APNSClient<Decoder: APNSJSONDecoder, Encoder: APNSJSONEncoder>: Service, APNSClientProtocol {
 
     /// The configuration used by the ``APNSClient``.
     private let configuration: APNSClientConfiguration
@@ -112,9 +113,9 @@ public final class APNSClient<Decoder: APNSJSONDecoder, Encoder: APNSJSONEncoder
             )
         }
     }
-
-    /// Shuts down the client gracefully.
-    public func shutdown() async throws {
+    
+    public func run() async throws {
+        try await gracefulShutdown()
         try await self.httpClient.shutdown()
     }
 }

Sources/APNS/Coding/APNSJSONDecoder.swift

@@ -18,7 +18,7 @@ import NIOFoundationCompat
 
 /// A protocol that is similar to the `JSONDecoder`. This allows users of APNSwift to customize the decoder used
 /// for decoding the APNS response bodies.
-public protocol APNSJSONDecoder {
+public protocol APNSJSONDecoder: Sendable {
     func decode<T: Decodable>(_ type: T.Type, from buffer: ByteBuffer) throws -> T
 }
 

Sources/APNS/Coding/APNSJSONEncoder.swift

@@ -18,7 +18,7 @@ import NIOFoundationCompat
 
 /// A protocol that is similar to the `JSONEncoder`. This allows users of APNSwift to customize the encoder used
 /// for encoding the notification JSON payloads.
-public protocol APNSJSONEncoder {
+public protocol APNSJSONEncoder: Sendable {
     func encode<T: Encodable>(_ value: T, into buffer: inout ByteBuffer) throws
 }
 

Sources/APNSCore/APNSClient.swift

@@ -14,5 +14,4 @@
 
 public protocol APNSClientProtocol {
     func send(_ request: APNSRequest<some APNSMessage>) async throws -> APNSResponse
-    func shutdown() async throws
 }

Sources/APNSExample/Program.swift

@@ -64,7 +64,8 @@ struct Main {
             logger.warning("error sending push: \(error)")
         }
 
-        try? await client.shutdown()
+        try await client.run()
+
     }
 }