104 lines
3.9 KiB
Java
104 lines
3.9 KiB
Java
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.squareup.okhttp.internal.http;
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import com.squareup.okhttp.internal.spdy.ErrorCode;
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import com.squareup.okhttp.internal.spdy.SpdyConnection;
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import com.squareup.okhttp.internal.spdy.SpdyStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.CacheRequest;
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import java.net.URL;
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import java.util.List;
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public final class SpdyTransport implements Transport {
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private final HttpEngine httpEngine;
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private final SpdyConnection spdyConnection;
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private SpdyStream stream;
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public SpdyTransport(HttpEngine httpEngine, SpdyConnection spdyConnection) {
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this.httpEngine = httpEngine;
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this.spdyConnection = spdyConnection;
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}
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@Override public OutputStream createRequestBody() throws IOException {
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long fixedContentLength = httpEngine.policy.getFixedContentLength();
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if (fixedContentLength != -1) {
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httpEngine.requestHeaders.setContentLength(fixedContentLength);
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}
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// TODO: if we aren't streaming up to the server, we should buffer the whole request
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writeRequestHeaders();
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return stream.getOutputStream();
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}
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@Override public void writeRequestHeaders() throws IOException {
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if (stream != null) {
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return;
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}
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httpEngine.writingRequestHeaders();
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RawHeaders requestHeaders = httpEngine.requestHeaders.getHeaders();
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String version = httpEngine.connection.getHttpMinorVersion() == 1 ? "HTTP/1.1" : "HTTP/1.0";
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URL url = httpEngine.policy.getURL();
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requestHeaders.addSpdyRequestHeaders(httpEngine.method, HttpEngine.requestPath(url), version,
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HttpEngine.getOriginAddress(url), httpEngine.uri.getScheme());
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boolean hasRequestBody = httpEngine.hasRequestBody();
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boolean hasResponseBody = true;
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stream = spdyConnection.newStream(requestHeaders.toNameValueBlock(), hasRequestBody,
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hasResponseBody);
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stream.setReadTimeout(httpEngine.client.getReadTimeout());
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}
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@Override public void writeRequestBody(RetryableOutputStream requestBody) throws IOException {
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throw new UnsupportedOperationException();
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}
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@Override public void flushRequest() throws IOException {
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stream.getOutputStream().close();
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}
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@Override public ResponseHeaders readResponseHeaders() throws IOException {
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List<String> nameValueBlock = stream.getResponseHeaders();
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RawHeaders rawHeaders = RawHeaders.fromNameValueBlock(nameValueBlock);
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httpEngine.receiveHeaders(rawHeaders);
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ResponseHeaders headers = new ResponseHeaders(httpEngine.uri, rawHeaders);
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headers.setTransport("spdy/3");
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return headers;
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}
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@Override public InputStream getTransferStream(CacheRequest cacheRequest) throws IOException {
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return new UnknownLengthHttpInputStream(stream.getInputStream(), cacheRequest, httpEngine);
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}
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@Override public boolean makeReusable(boolean streamCanceled, OutputStream requestBodyOut,
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InputStream responseBodyIn) {
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if (streamCanceled) {
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if (stream != null) {
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stream.closeLater(ErrorCode.CANCEL);
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return true;
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} else {
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// If stream is null, it either means that writeRequestHeaders wasn't called
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// or that SpdyConnection#newStream threw an IOException. In both cases there's
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// nothing to do here and this stream can't be reused.
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return false;
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}
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}
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return true;
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}
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}
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