Update ProxyServer.kt

Client and Server optimisations, SSL for WSS.

Author: BedsAreDragons

main/src/main/kotlin/me/ryun/mcsockproxy/server/ProxyServer.kt

@@ -9,12 +9,9 @@ import me.ryun.mcsockproxy.common.IllegalConfigurationException
 
 class ProxyServer private constructor(configuration: CraftConnectionConfiguration, path: String) {
     init {
-        if(configuration.host.isNullOrEmpty())
-            throw IllegalConfigurationException("Host is not configured.")
-        if(configuration.port == 0)
-            throw IllegalConfigurationException("Port is not configured.")
-        if(configuration.proxyPort == 0)
-            throw IllegalConfigurationException("Proxy Port is not configured.")
+        if (configuration.host.isNullOrEmpty()) throw IllegalConfigurationException("Host is not configured.")
+        if (configuration.port == 0) throw IllegalConfigurationException("Port is not configured.")
+        if (configuration.proxyPort == 0) throw IllegalConfigurationException("Proxy Port is not configured.")
 
         val bossGroup = NioEventLoopGroup(1)
         val workerGroup = NioEventLoopGroup()
@@ -27,9 +24,12 @@ class ProxyServer private constructor(configuration: CraftConnectionConfiguratio
 
             val channel = bootstrap.bind(configuration.proxyPort).sync().channel()
 
-            println(CraftSocketConstants.PROXYING + ": " + configuration.host + ":" + configuration.port + " -> ws://localhost:${configuration.proxyPort}$path")
+            println("${CraftSocketConstants.PROXYING}: ${configuration.host}:${configuration.port} -> ws://localhost:${configuration.proxyPort}$path")
 
             channel.closeFuture().sync()
+        } catch (cause: Throwable) {
+            println("Server error: ${cause.message}")
+            cause.printStackTrace()
         } finally {
             workerGroup.shutdownGracefully()
             bossGroup.shutdownGracefully()
@@ -41,4 +41,4 @@ class ProxyServer private constructor(configuration: CraftConnectionConfiguratio
             return ProxyServer(configuration, path)
         }
     }
-}
+}