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Diffstat (limited to 'src/main/java/com/orbekk/protobuf/ConnectionHandler.java')
-rw-r--r--src/main/java/com/orbekk/protobuf/ConnectionHandler.java94
1 files changed, 94 insertions, 0 deletions
diff --git a/src/main/java/com/orbekk/protobuf/ConnectionHandler.java b/src/main/java/com/orbekk/protobuf/ConnectionHandler.java
new file mode 100644
index 0000000..1c93a05
--- /dev/null
+++ b/src/main/java/com/orbekk/protobuf/ConnectionHandler.java
@@ -0,0 +1,94 @@
+package com.orbekk.protobuf;
+
+import java.io.IOException;
+import java.net.Socket;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.ExecutorService;
+
+public class ConnectionHandler {
+ private final Socket connection;
+ private final BlockingQueue<Data.Response> dispatcherOutput;
+ private final RequestDispatcher dispatcher;
+
+ private class IncomingHandler implements Runnable {
+ @Override public void run() {
+ dispatcher.start();
+ while (!connection.isClosed()) {
+ try {
+ Data.Request r = Data.Request.parseDelimitedFrom(
+ connection.getInputStream());
+ if (r == null) {
+ tryCloseConnection();
+ } else {
+ try {
+ dispatcher.handleRequest(r);
+ } catch (InterruptedException e) {
+ tryCloseConnection();
+ return;
+ }
+ }
+ } catch (IOException e) {
+ tryCloseConnection();
+ }
+ }
+ dispatcher.interrupt();
+ }
+ }
+
+ private class OutgoingHandler implements Runnable {
+ @Override public void run() {
+ while (!connection.isClosed()) {
+ try {
+ Data.Response response = dispatcherOutput.take();
+ try {
+ response.writeDelimitedTo(connection.getOutputStream());
+ } catch (IOException e) {
+ tryCloseConnection();
+ }
+ } catch (InterruptedException e) {
+ tryCloseConnection();
+ }
+ }
+ dispatcher.interrupt();
+ }
+ }
+
+ public static ConnectionHandler create(Socket connection,
+ ExecutorService requestPool, ServiceHolder services) {
+ BlockingQueue<Data.Response> dispatcherOutput =
+ new ArrayBlockingQueue(RequestDispatcher.DEFAULT_QUEUE_SIZE);
+ RequestDispatcher dispatcher = new RequestDispatcher(
+ requestPool, dispatcherOutput, services);
+ return new ConnectionHandler(connection, dispatcherOutput,
+ dispatcher);
+ }
+
+ ConnectionHandler(Socket connection,
+ BlockingQueue<Data.Response> dispatcherOutput,
+ RequestDispatcher dispatcher) {
+ this.connection = connection;
+ this.dispatcherOutput = dispatcherOutput;
+ this.dispatcher = dispatcher;
+ }
+
+ public void closeConnection() {
+ tryCloseConnection();
+ }
+
+ private void tryCloseConnection() {
+ try {
+ connection.close();
+ } catch (IOException e) {
+ // Assume connection is closed.
+ }
+ }
+
+ public Runnable createIncomingHandler() {
+ return new IncomingHandler();
+ }
+
+ public Runnable createOutgoingHandler() {
+ return new OutgoingHandler();
+ }
+}