Add kcptun installer.

ShadowsocksX-NG/AppDelegate.swift

@@ -73,6 +73,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, NSUserNotificationCenterDele
         
         // Prepare ss-local
         InstallSSLocal()
+        InstallKcptunClient()
         InstallPrivoxy()
         // Prepare defaults
         let defaults = UserDefaults.standard

ShadowsocksX-NG/LaunchAgentUtils.swift

@@ -9,6 +9,7 @@
 import Foundation
 
 let SS_LOCAL_VERSION = "2.5.6"
+let KCPTUN_CLIENT_VERSION = "20161222"
 let PRIVOXY_VERSION = "3.0.26.static"
 let APP_SUPPORT_DIR = "/Library/Application Support/ShadowsocksX-NG/"
 let LAUNCH_AGENT_DIR = "/Library/LaunchAgents/"
@@ -128,6 +129,23 @@ func InstallSSLocal() {
     }
 }
 
+func InstallKcptunClient() {
+    let fileMgr = FileManager.default
+    let homeDir = NSHomeDirectory()
+    let appSupportDir = homeDir+APP_SUPPORT_DIR
+    if !fileMgr.fileExists(atPath: appSupportDir + "kcptun_\(KCPTUN_CLIENT_VERSION)/kcptun_client") {
+        let bundle = Bundle.main
+        let installerPath = bundle.path(forResource: "install_kcptun", ofType: "sh")
+        let task = Process.launchedProcess(launchPath: installerPath!, arguments: [""])
+        task.waitUntilExit()
+        if task.terminationStatus == 0 {
+            NSLog("Install kcptun succeeded.")
+        } else {
+            NSLog("Install kcptun failed.")
+        }
+    }
+}
+
 func writeSSLocalConfFile(_ conf:[String:AnyObject]) -> Bool {
     do {
         let filepath = NSHomeDirectory() + APP_SUPPORT_DIR + "ss-local-config.json"

ShadowsocksX-NG/install_kcptun.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+#  install_kcptun.sh
+#  ShadowsocksX-NG
+#
+#  Created by 邱宇舟 on 2017/1/11.
+#  Copyright © 2017年 qiuyuzhou. All rights reserved.
+
+cd `dirname "${BASH_SOURCE[0]}"`
+mkdir -p "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_20161222"
+cp -f kcptun_client "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_20161222/"
+rm -f "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_client"
+ln -s "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_20161222/kcptun_client" "$HOME/Library/Application Support/ShadowsocksX-NG/kcptun_client"
+
+echo "install kcptun done"