forked from line/armeria
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
106 changed files
with
5,134 additions
and
1,053 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
129 changes: 129 additions & 0 deletions
129
core/src/main/java/com/linecorp/armeria/client/AbstractHttpRequestSubscriber.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| /* | ||
| * Copyright 2016 LINE Corporation | ||
| * | ||
| * LINE Corporation 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: | ||
| * | ||
| * https://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 com.linecorp.armeria.client; | ||
|
|
||
| import org.reactivestreams.Subscriber; | ||
| import org.reactivestreams.Subscription; | ||
|
|
||
| import com.linecorp.armeria.common.HttpData; | ||
| import com.linecorp.armeria.common.HttpObject; | ||
| import com.linecorp.armeria.common.HttpRequest; | ||
| import com.linecorp.armeria.common.RequestHeaders; | ||
| import com.linecorp.armeria.common.SessionProtocol; | ||
| import com.linecorp.armeria.common.annotation.Nullable; | ||
| import com.linecorp.armeria.internal.client.DecodedHttpResponse; | ||
|
|
||
| import io.netty.channel.Channel; | ||
|
|
||
| abstract class AbstractHttpRequestSubscriber extends AbstractHttpRequestHandler | ||
| implements Subscriber<HttpObject> { | ||
|
|
||
| private static final HttpData EMPTY_EOS = HttpData.empty().withEndOfStream(); | ||
|
|
||
| static AbstractHttpRequestSubscriber of(Channel channel, ClientHttpObjectEncoder requestEncoder, | ||
| HttpResponseDecoder responseDecoder, SessionProtocol protocol, | ||
| ClientRequestContext ctx, HttpRequest req, | ||
| DecodedHttpResponse res, long writeTimeoutMillis, | ||
| boolean webSocket) { | ||
| if (webSocket) { | ||
| if (protocol.isExplicitHttp1()) { | ||
| return new WebSocketHttp1RequestSubscriber( | ||
| channel, requestEncoder, responseDecoder, req, res, ctx, writeTimeoutMillis); | ||
| } | ||
| assert protocol.isExplicitHttp2(); | ||
| return new WebSocketHttp2RequestSubscriber( | ||
| channel, requestEncoder, responseDecoder, req, res, ctx, writeTimeoutMillis); | ||
| } | ||
| return new HttpRequestSubscriber( | ||
| channel, requestEncoder, responseDecoder, req, res, ctx, writeTimeoutMillis); | ||
| } | ||
|
|
||
| private final HttpRequest request; | ||
|
|
||
| @Nullable | ||
| private Subscription subscription; | ||
| private boolean isSubscriptionCompleted; | ||
|
|
||
| AbstractHttpRequestSubscriber(Channel ch, ClientHttpObjectEncoder encoder, | ||
| HttpResponseDecoder responseDecoder, | ||
| HttpRequest request, DecodedHttpResponse originalRes, | ||
| ClientRequestContext ctx, long timeoutMillis, boolean allowTrailers, | ||
| boolean keepAlive) { | ||
| super(ch, encoder, responseDecoder, originalRes, ctx, timeoutMillis, request.isEmpty(), allowTrailers, | ||
| keepAlive); | ||
| this.request = request; | ||
| } | ||
|
|
||
| @Override | ||
| public void onSubscribe(Subscription subscription) { | ||
| assert this.subscription == null; | ||
| this.subscription = subscription; | ||
| if (state() == State.DONE) { | ||
| cancel(); | ||
| return; | ||
| } | ||
|
|
||
| if (!tryInitialize()) { | ||
| return; | ||
| } | ||
|
|
||
| // NB: This must be invoked at the end of this method because otherwise the callback methods in this | ||
| // class can be called before the member fields (subscription, id, responseWrapper and | ||
| // timeoutFuture) are initialized. | ||
| // It is because the successful write of the first headers will trigger subscription.request(1). | ||
| writeHeaders(mapHeaders(request.headers())); | ||
| channel().flush(); | ||
| } | ||
|
|
||
| RequestHeaders mapHeaders(RequestHeaders headers) { | ||
| return headers; | ||
| } | ||
|
|
||
| @Override | ||
| public void onError(Throwable cause) { | ||
| isSubscriptionCompleted = true; | ||
| failRequest(cause); | ||
| } | ||
|
|
||
| @Override | ||
| public void onComplete() { | ||
| isSubscriptionCompleted = true; | ||
|
|
||
| if (state() != State.DONE) { | ||
| writeData(EMPTY_EOS); | ||
| channel().flush(); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| void onWriteSuccess() { | ||
| // Request more messages regardless whether the state is DONE. It makes the producer have | ||
| // a chance to produce the last call such as 'onComplete' and 'onError' when there are | ||
| // no more messages it can produce. | ||
| if (!isSubscriptionCompleted) { | ||
| assert subscription != null; | ||
| subscription.request(1); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| void cancel() { | ||
| isSubscriptionCompleted = true; | ||
| assert subscription != null; | ||
| subscription.cancel(); | ||
| } | ||
| } |
Oops, something went wrong.