src/java.net.http/share/classes/jdk/internal/net/http/PlainTunnelingConnection.java
8234541: C1 emits an empty message when it inlines successfully
Summary: Use "inline" as the message when successfull
Reviewed-by: thartmann, mdoerr
Contributed-by: navy.xliu@gmail.com
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package jdk.internal.net.http;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.http.HttpTimeoutException;
import java.nio.ByteBuffer;
import java.nio.channels.SocketChannel;
import java.time.Duration;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionException;
import java.util.function.Function;
import java.net.http.HttpHeaders;
import jdk.internal.net.http.common.FlowTube;
import jdk.internal.net.http.common.MinimalFuture;
import static java.net.http.HttpResponse.BodyHandlers.discarding;
/**
* A plain text socket tunnel through a proxy. Uses "CONNECT" but does not
* encrypt. Used by WebSocket, as well as HTTP over SSL + Proxy.
* Wrapped in SSLTunnelConnection or AsyncSSLTunnelConnection for encryption.
*/
final class PlainTunnelingConnection extends HttpConnection {
final PlainHttpConnection delegate;
final HttpHeaders proxyHeaders;
final InetSocketAddress proxyAddr;
private volatile boolean connected;
protected PlainTunnelingConnection(InetSocketAddress addr,
InetSocketAddress proxy,
HttpClientImpl client,
HttpHeaders proxyHeaders) {
super(addr, client);
this.proxyAddr = proxy;
this.proxyHeaders = proxyHeaders;
delegate = new PlainHttpConnection(proxy, client);
}
@Override
public CompletableFuture<Void> connectAsync(Exchange<?> exchange) {
if (debug.on()) debug.log("Connecting plain connection");
return delegate.connectAsync(exchange)
.thenCompose(unused -> delegate.finishConnect())
.thenCompose((Void v) -> {
if (debug.on()) debug.log("sending HTTP/1.1 CONNECT");
HttpClientImpl client = client();
assert client != null;
HttpRequestImpl req = new HttpRequestImpl("CONNECT", address, proxyHeaders);
MultiExchange<Void> mulEx = new MultiExchange<>(null, req,
client, discarding(), null, null);
Exchange<Void> connectExchange = mulEx.getExchange();
return connectExchange
.responseAsyncImpl(delegate)
.thenCompose((Response resp) -> {
CompletableFuture<Void> cf = new MinimalFuture<>();
if (debug.on()) debug.log("got response: %d", resp.statusCode());
if (resp.statusCode() == 407) {
return connectExchange.ignoreBody().handle((r,t) -> {
// close delegate after reading body: we won't
// be reusing that connection anyway.
delegate.close();
ProxyAuthenticationRequired authenticationRequired =
new ProxyAuthenticationRequired(resp);
cf.completeExceptionally(authenticationRequired);
return cf;
}).thenCompose(Function.identity());
} else if (resp.statusCode() != 200) {
delegate.close();
cf.completeExceptionally(new IOException(
"Tunnel failed, got: "+ resp.statusCode()));
} else {
// get the initial/remaining bytes
ByteBuffer b = ((Http1Exchange<?>)connectExchange.exchImpl).drainLeftOverBytes();
int remaining = b.remaining();
assert remaining == 0: "Unexpected remaining: " + remaining;
cf.complete(null);
}
return cf;
})
.handle((result, ex) -> {
if (ex == null) {
return MinimalFuture.completedFuture(result);
} else {
if (debug.on())
debug.log("tunnel failed with \"%s\"", ex.toString());
Throwable t = ex;
if (t instanceof CompletionException)
t = t.getCause();
if (t instanceof HttpTimeoutException) {
String msg = "proxy tunneling CONNECT request timed out";
t = new HttpTimeoutException(msg);
t.initCause(ex);
}
return MinimalFuture.<Void>failedFuture(t);
}
})
.thenCompose(Function.identity());
});
}
public CompletableFuture<Void> finishConnect() {
connected = true;
return MinimalFuture.completedFuture(null);
}
@Override
boolean isTunnel() { return true; }
@Override
HttpPublisher publisher() { return delegate.publisher(); }
@Override
boolean connected() {
return connected;
}
@Override
SocketChannel channel() {
return delegate.channel();
}
@Override
FlowTube getConnectionFlow() {
return delegate.getConnectionFlow();
}
@Override
ConnectionPool.CacheKey cacheKey() {
return new ConnectionPool.CacheKey(null, proxyAddr);
}
@Override
public void close() {
delegate.close();
connected = false;
}
@Override
boolean isSecure() {
return false;
}
@Override
boolean isProxied() {
return true;
}
}