--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.httpclient/share/classes/java/net/http/Http1Exchange.java Thu Feb 25 23:14:22 2016 +0000
@@ -0,0 +1,309 @@
+/*
+ * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ */
+package java.net.http;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.URI;
+import java.util.concurrent.CompletableFuture;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * Encapsulates one HTTP/1.1 request/responseAsync exchange.
+ */
+class Http1Exchange extends ExchangeImpl {
+
+ final HttpRequestImpl request; // main request
+ final List<CompletableFuture<?>> operations; // used for cancel
+ final Http1Request requestAction;
+ volatile Http1Response response;
+ final HttpConnection connection;
+ final HttpClientImpl client;
+ final ExecutorWrapper executor;
+
+ @Override
+ public String toString() {
+ return request.toString();
+ }
+
+ HttpRequestImpl request() {
+ return request;
+ }
+
+ Http1Exchange(Exchange exchange, HttpConnection connection)
+ throws IOException
+ {
+ super(exchange);
+ this.request = exchange.request();
+ this.client = request.client();
+ this.executor = client.executorWrapper();
+ this.operations = Collections.synchronizedList(new LinkedList<>());
+ if (connection != null) {
+ this.connection = connection;
+ } else {
+ InetSocketAddress addr = getAddress(request);
+ this.connection = HttpConnection.getConnection(addr, request);
+ }
+ this.requestAction = new Http1Request(request, this.connection);
+ }
+
+ private static InetSocketAddress getAddress(HttpRequestImpl req) {
+ URI uri = req.uri();
+ if (uri == null) {
+ return req.authority();
+ }
+ int port = uri.getPort();
+ if (port == -1) {
+ if (uri.getScheme().equalsIgnoreCase("https")) {
+ port = 443;
+ } else {
+ port = 80;
+ }
+ }
+ String host = uri.getHost();
+ if (req.proxy() == null) {
+ return new InetSocketAddress(host, port);
+ } else {
+ return InetSocketAddress.createUnresolved(host, port);
+ }
+ }
+
+ HttpConnection connection() {
+ return connection;
+ }
+
+ @Override
+ <T> T responseBody(HttpResponse.BodyProcessor<T> processor)
+ throws IOException
+ {
+ return responseBody(processor, true);
+ }
+
+ <T> T responseBody(HttpResponse.BodyProcessor<T> processor,
+ boolean return2Cache)
+ throws IOException
+ {
+ try {
+ T body = response.readBody(processor, return2Cache);
+ return body;
+ } catch (Throwable t) {
+ connection.close();
+ throw t;
+ }
+ }
+
+ @Override
+ <T> CompletableFuture<T> responseBodyAsync(HttpResponse.BodyProcessor<T> processor) {
+ CompletableFuture<T> cf = new CompletableFuture<>();
+ request.client()
+ .executorWrapper()
+ .execute(() -> {
+ try {
+ T body = responseBody(processor);
+ cf.complete(body);
+ } catch (Throwable e) {
+ cf.completeExceptionally(e);
+ }
+ },
+ () -> response.response.getAccessControlContext()); // TODO: fix
+ return cf;
+ }
+
+ @Override
+ void sendHeadersOnly() throws IOException, InterruptedException {
+ try {
+ if (!connection.connected()) {
+ connection.connect();
+ }
+ requestAction.sendHeadersOnly();
+ } catch (Throwable e) {
+ connection.close();
+ throw e;
+ }
+ }
+
+ @Override
+ void sendBody() throws IOException {
+ try {
+ requestAction.continueRequest();
+ } catch (Throwable e) {
+ connection.close();
+ throw e;
+ }
+ }
+
+ @Override
+ HttpResponseImpl getResponse() throws IOException {
+ try {
+ response = new Http1Response(connection, this);
+ response.readHeaders();
+ return response.response();
+ } catch (Throwable t) {
+ connection.close();
+ throw t;
+ }
+ }
+
+ @Override
+ void sendRequest() throws IOException, InterruptedException {
+ try {
+ if (!connection.connected()) {
+ connection.connect();
+ }
+ requestAction.sendRequest();
+ } catch (Throwable t) {
+ connection.close();
+ throw t;
+ }
+ }
+
+ private void closeConnection() {
+ connection.close();
+ }
+
+ @Override
+ CompletableFuture<Void> sendHeadersAsync() {
+ if (!connection.connected()) {
+ CompletableFuture<Void> op = connection.connectAsync()
+ .thenCompose(this::sendHdrsAsyncImpl)
+ .whenComplete((Void b, Throwable t) -> {
+ if (t != null)
+ closeConnection();
+ });
+ operations.add(op);
+ return op;
+ } else {
+ return sendHdrsAsyncImpl(null);
+ }
+ }
+
+ private CompletableFuture<Void> sendHdrsAsyncImpl(Void v) {
+ CompletableFuture<Void> cf = new CompletableFuture<>();
+ executor.execute(() -> {
+ try {
+ requestAction.sendHeadersOnly();
+ cf.complete(null);
+ } catch (Throwable e) {
+ cf.completeExceptionally(e);
+ connection.close();
+ }
+ },
+ () -> request.getAccessControlContext());
+ operations.add(cf);
+ return cf;
+ }
+
+ /**
+ * Cancel checks to see if request and responseAsync finished already.
+ * If not it closes the connection and completes all pending operations
+ */
+ @Override
+ synchronized void cancel() {
+ if (requestAction != null && requestAction.finished()
+ && response != null && response.finished()) {
+ return;
+ }
+ connection.close();
+ IOException e = new IOException("Request cancelled");
+ int count = 0;
+ for (CompletableFuture<?> cf : operations) {
+ cf.completeExceptionally(e);
+ count++;
+ }
+ Log.logError("Http1Exchange.cancel: count=" + count);
+ }
+
+ CompletableFuture<HttpResponseImpl> getResponseAsyncImpl(Void v) {
+ CompletableFuture<HttpResponseImpl> cf = new CompletableFuture<>();
+ try {
+ response = new Http1Response(connection, Http1Exchange.this);
+ response.readHeaders();
+ cf.complete(response.response());
+ } catch (IOException e) {
+ cf.completeExceptionally(e);
+ }
+ return cf;
+ }
+
+ @Override
+ CompletableFuture<HttpResponseImpl> getResponseAsync(Void v) {
+ CompletableFuture<HttpResponseImpl> cf =
+ connection.whenReceivingResponse()
+ .thenCompose(this::getResponseAsyncImpl);
+
+ operations.add(cf);
+ return cf;
+ }
+
+ @Override
+ CompletableFuture<Void> sendBodyAsync() {
+ final CompletableFuture<Void> cf = new CompletableFuture<>();
+ executor.execute(() -> {
+ try {
+ requestAction.continueRequest();
+ cf.complete(null);
+ } catch (Throwable e) {
+ cf.completeExceptionally(e);
+ connection.close();
+ }
+ }, () -> request.getAccessControlContext());
+ operations.add(cf);
+ return cf;
+ }
+
+ @Override
+ CompletableFuture<Void> sendRequestAsync() {
+ CompletableFuture<Void> op;
+ if (!connection.connected()) {
+ op = connection.connectAsync()
+ .thenCompose(this::sendRequestAsyncImpl)
+ .whenComplete((Void v, Throwable t) -> {
+ if (t != null) {
+ closeConnection();
+ }
+ });
+ } else {
+ op = sendRequestAsyncImpl(null);
+ }
+ operations.add(op);
+ return op;
+ }
+
+ CompletableFuture<Void> sendRequestAsyncImpl(Void v) {
+ CompletableFuture<Void> cf = new CompletableFuture<>();
+ executor.execute(() -> {
+ try {
+ requestAction.sendRequest();
+ cf.complete(null);
+ } catch (Throwable e) {
+ cf.completeExceptionally(e);
+ connection.close();
+ }
+ }, () -> request.getAccessControlContext());
+ operations.add(cf);
+ return cf;
+ }
+}