From 2ee18e7be94ba598747ebd9d7a6472a8c9ab45b4 Mon Sep 17 00:00:00 2001
From: "Dr. Michael Lauer" <mickey@vanille-media.de>
Date: Tue, 11 May 2021 13:07:02 +0200
Subject: [PATCH] fix compilation

On Linux, there are no optional methods in protocols
---
 Package.swift                                    |  8 ++++----
 .../CornucopiaStreams/BLE/AccessoryManager.swift |  2 +-
 .../FileHandleInputStream.swift                  | 16 ++++++++++++++--
 .../FileHandleOutputStream.swift                 |  6 +++++-
 4 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/Package.swift b/Package.swift
index 485eb8c..ee43724 100644
--- a/Package.swift
+++ b/Package.swift
@@ -4,10 +4,10 @@ import PackageDescription
 let package = Package(
     name: "CornucopiaStreams",
     platforms: [
-        .macOS(.v10_13),
-        .iOS(.v10),
-        .tvOS(.v10),
-        .watchOS(.v3),
+        .macOS("10.15.4"),
+        .iOS("13.4"),
+        .tvOS("13.4"),
+        .watchOS("6"),
     ],
     products: [
         .library(
diff --git a/Sources/CornucopiaStreams/BLE/AccessoryManager.swift b/Sources/CornucopiaStreams/BLE/AccessoryManager.swift
index f10bd8d..ace77f6 100644
--- a/Sources/CornucopiaStreams/BLE/AccessoryManager.swift
+++ b/Sources/CornucopiaStreams/BLE/AccessoryManager.swift
@@ -110,7 +110,7 @@ extension BLEAccessoryManager: CBPeripheralDelegate {
         self.activeSessions[peripheral.identifier] = streamProvider
 
         guard let handler = self.pendingConnections.removeValue(forKey: service.uuid) else {
-            os_log("Did discover characteristics for service %@, but there is no pending connection for this UUID anymore.", service.uuid.description)
+            os_log("Did discover characteristics for service %@, but there is no pending connection for this UUID anymore.", log: log, type: .info, service.uuid.description)
             return
         }
         let result = FindServiceResult.success(streamProvider)
diff --git a/Sources/CornucopiaStreams/FileHandleStreams/FileHandleInputStream.swift b/Sources/CornucopiaStreams/FileHandleStreams/FileHandleInputStream.swift
index 46477ca..c15ac75 100644
--- a/Sources/CornucopiaStreams/FileHandleStreams/FileHandleInputStream.swift
+++ b/Sources/CornucopiaStreams/FileHandleStreams/FileHandleInputStream.swift
@@ -37,11 +37,19 @@ class FileHandleInputStream: InputStream {
         guard self._streamStatus != .open else { return }
 
         _ = NotificationCenter.default.addObserver(forName: Notification.Name.NSFileHandleDataAvailable, object: self.fileHandle, queue: nil) { notification in
-            self.delegate?.stream(self, handle: .hasBytesAvailable)
+            #if os(Linux)
+            self._delegate?.stream(self, handle: .hasBytesAvailable)
+            #else
+            self._delegate?.stream?(self, handle: .hasBytesAvailable)
+            #endif
         }
         self.fileHandle.waitForDataInBackgroundAndNotify()
         self._streamStatus = .open
+        #if os(Linux)
         self.delegate?.stream(self, handle: .openCompleted)
+        #else
+        self.delegate?.stream?(self, handle: .openCompleted)
+        #endif
     }
 
     override var hasBytesAvailable: Bool { true }
@@ -49,7 +57,11 @@ class FileHandleInputStream: InputStream {
     override func read(_ buffer: UnsafeMutablePointer<UInt8>, maxLength len: Int) -> Int {
         guard _streamStatus == .open else { return 0 }
         guard let data = try? self.fileHandle.read(upToCount: 1) else {
-            self.delegate?.stream(self, handle: .endEncountered)
+            #if os(Linux)
+            self._delegate?.stream(self, handle: .endEncountered)
+            #else
+            self._delegate?.stream?(self, handle: .endEncountered)
+            #endif
             return 0
         }
         if data.count > 0 {
diff --git a/Sources/CornucopiaStreams/FileHandleStreams/FileHandleOutputStream.swift b/Sources/CornucopiaStreams/FileHandleStreams/FileHandleOutputStream.swift
index 8350129..87dfbe2 100644
--- a/Sources/CornucopiaStreams/FileHandleStreams/FileHandleOutputStream.swift
+++ b/Sources/CornucopiaStreams/FileHandleStreams/FileHandleOutputStream.swift
@@ -39,7 +39,11 @@ class FileHandleOutputStream: OutputStream {
     override func open() {
         guard self._streamStatus != .open else { return }
         self._streamStatus = .open
-        self.delegate?.stream(self, handle: .openCompleted)
+        #if os(Linux)
+        _delegate?.stream(self, handle: .openCompleted)
+        #else
+        _delegate?.stream?(self, handle: .openCompleted)
+        #endif
     }
 
     override var hasSpaceAvailable: Bool { true }