Switch to gRPC client in Swift app

Apple/Core/Client.swift

@@ -0,0 +1,32 @@
+import GRPC
+import NIOTransportServices
+
+public typealias TunnelClient = Burrow_TunnelAsyncClient
+public typealias NetworksClient = Burrow_NetworksAsyncClient
+
+public protocol Client {
+    init(channel: GRPCChannel)
+}
+
+extension Client {
+    public static func unix(socketURL: URL) -> Self {
+        let group = NIOTSEventLoopGroup()
+        let configuration = ClientConnection.Configuration.default(
+            target: .unixDomainSocket(socketURL.path),
+            eventLoopGroup: group
+        )
+        return Self(channel: ClientConnection(configuration: configuration))
+    }
+}
+
+extension TunnelClient: Client {
+    public init(channel: any GRPCChannel) {
+        self.init(channel: channel, defaultCallOptions: .init(), interceptors: .none)
+    }
+}
+
+extension NetworksClient: Client {
+    public init(channel: any GRPCChannel) {
+        self.init(channel: channel, defaultCallOptions: .init(), interceptors: .none)
+    }
+}