| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.vinci.transport; |
| |
| import java.io.BufferedInputStream; |
| import java.io.BufferedOutputStream; |
| import java.io.EOFException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.net.Socket; |
| |
| import org.apache.vinci.debug.Debug; |
| |
| /** |
| * Runnable class used by BaseServer to concurrently service requests. |
| */ |
| public class BaseServerRunnable implements Runnable { |
| private Socket socket; |
| |
| private BaseServer parent; |
| |
| private static final ThreadLocal THREAD_LOCAL_SOCKET = new ThreadLocal(); |
| |
| /** |
| * Allows anyone in the calling chain of the 'run' method to get access to the socket being used |
| * in the Vinci connection via the ThreadLocal variable. |
| * @return - |
| */ |
| public static Socket getSocket() { |
| return (Socket) THREAD_LOCAL_SOCKET.get(); |
| } |
| |
| /** |
| * @pre c != null |
| * @pre p != null |
| * @param c - |
| * @param p - |
| */ |
| public BaseServerRunnable(Socket c, BaseServer p) { |
| socket = c; |
| parent = p; |
| } |
| |
| protected BaseServer getParent() { |
| return parent; |
| } |
| |
| public void run() { |
| THREAD_LOCAL_SOCKET.set(socket); |
| try { |
| InputStream is = new BufferedInputStream(socket.getInputStream()); |
| OutputStream os = new BufferedOutputStream(socket.getOutputStream()); |
| while (true) { |
| Transportable in = parent.makeTransportable(); |
| KeyValuePair header = null; |
| try { |
| // long begin = System.currentTimeMillis(); // TEMP |
| header = in.fromStream(is); |
| // Debug.p("Elapsed fromStream: " + (System.currentTimeMillis() - begin)); |
| } catch (EOFException e) { |
| break; |
| } |
| Transportable out = handleHeader(header); |
| if (out == null) { |
| try { |
| out = parent.eval(in, header); |
| } catch (Throwable e) { |
| Debug.reportException(e); |
| out = new ErrorFrame("Server failed: " + e); |
| } |
| } |
| if (out != null) { |
| // ^ Asynch services may choose not to return results. |
| // long begin = System.currentTimeMillis(); // TEMP |
| out.toStream(os); |
| os.flush(); |
| // Debug.p("Elapsed toStream: " + (System.currentTimeMillis() - begin)); |
| } |
| } |
| } catch (IOException e) { |
| Debug.p("IOException in BaseServerRunnable: " + e); |
| } catch (Throwable e) { |
| Debug.reportException(e); |
| } finally { |
| THREAD_LOCAL_SOCKET.set(null); |
| try { |
| socket.close(); |
| } catch (IOException f) { |
| Debug.reportException(f); |
| } |
| } |
| } |
| |
| public Transportable handleHeader(KeyValuePair header) { |
| return null; |
| } |
| }// end class BaseServerRunnable |