8180155: WebSocket secure connection get stuck after onOpen

8156518: WebSocket.Builder.connectTimeout(long timeout, TimeUnit unit) implicitly affect websocket connection timeout

Reviewed-by: dfuchs
This commit is contained in:
Pavel Rappo 2017-06-02 18:32:39 +01:00
parent b2870f2b5f
commit cc296e46f5
3 changed files with 67 additions and 59 deletions

View File

@ -316,13 +316,14 @@ class MultiExchange<U,T> {
})
// 5. Handle errors and cancel any timer set
.handle((response, ex) -> {
if (response != null) {
cancelTimer();
if (ex == null) {
assert response != null;
return MinimalFuture.completedFuture(response);
}
// all exceptions thrown are handled here
CompletableFuture<Response> error = getExceptionalCF(ex);
if (error == null) {
cancelTimer();
return responseAsyncImpl();
} else {
return error;

View File

@ -274,9 +274,7 @@ class SSLDelegate {
int x;
do {
if (needData) {
do {
x = chan.read (unwrap_src);
} while (x == 0);
x = chan.read (unwrap_src);
if (x == -1) {
throw new IOException ("connection closed for reading");
}

View File

@ -28,7 +28,6 @@ package jdk.incubator.http.internal.websocket;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.SelectionKey;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;
/*
@ -58,23 +57,24 @@ final class Receiver {
private final Frame.Reader reader = new Frame.Reader();
private final RawChannel.RawEvent event = createHandler();
private final AtomicLong demand = new AtomicLong();
private final CooperativeHandler handler =
new CooperativeHandler(this::pushContinuously);
/*
* Used to ensure registering the channel event at most once (i.e. to avoid
* multiple registrations).
*/
private final AtomicBoolean readable = new AtomicBoolean();
private final CooperativeHandler handler;
private ByteBuffer data;
private volatile int state;
private static final int UNREGISTERED = 0;
private static final int AVAILABLE = 1;
private static final int WAITING = 2;
Receiver(MessageStreamConsumer messageConsumer, RawChannel channel) {
this.messageConsumer = messageConsumer;
this.channel = channel;
this.data = channel.initialByteBuffer();
this.frameConsumer = new FrameConsumer(this.messageConsumer);
// To ensure the initial non-final `data` will be read correctly
// (happens-before) by reader after executing readable.get()
readable.set(true);
this.data = channel.initialByteBuffer();
// To ensure the initial non-final `data` will be visible
// (happens-before) when `handler` invokes `pushContinuously`
// the following assignment is done last:
handler = new CooperativeHandler(this::pushContinuously);
}
private RawChannel.RawEvent createHandler() {
@ -87,7 +87,7 @@ final class Receiver {
@Override
public void handle() {
readable.set(true);
state = AVAILABLE;
handler.handle();
}
};
@ -110,54 +110,63 @@ final class Receiver {
/*
* Stops the machinery from reading and delivering messages permanently,
* regardless of the current demand.
* regardless of the current demand and data availability.
*/
void close() {
handler.stop();
}
private void pushContinuously() {
while (readable.get() && demand.get() > 0 && !handler.isStopped()) {
pushOnce();
}
}
private void pushOnce() {
if (data == null && !readData()) {
return;
}
try {
reader.readFrame(data, frameConsumer); // Pushing frame parts to the consumer
} catch (FailWebSocketException e) {
messageConsumer.onError(e);
return;
}
if (!data.hasRemaining()) {
data = null;
}
}
private boolean readData() {
try {
data = channel.read();
} catch (IOException e) {
messageConsumer.onError(e);
return false;
}
if (data == null) { // EOF
messageConsumer.onComplete();
return false;
} else if (!data.hasRemaining()) { // No data in the socket at the moment
data = null;
readable.set(false);
try {
channel.registerEvent(event);
} catch (IOException e) {
messageConsumer.onError(e);
while (!handler.isStopped()) {
if (data.hasRemaining()) {
if (demand.get() > 0) {
try {
int oldPos = data.position();
reader.readFrame(data, frameConsumer);
int newPos = data.position();
assert oldPos != newPos : data; // reader always consumes bytes
} catch (FailWebSocketException e) {
handler.stop();
messageConsumer.onError(e);
}
continue;
}
break;
}
switch (state) {
case WAITING:
return;
case UNREGISTERED:
try {
state = WAITING;
channel.registerEvent(event);
} catch (IOException e) {
handler.stop();
messageConsumer.onError(e);
}
return;
case AVAILABLE:
try {
data = channel.read();
} catch (IOException e) {
handler.stop();
messageConsumer.onError(e);
return;
}
if (data == null) { // EOF
handler.stop();
messageConsumer.onComplete();
return;
} else if (!data.hasRemaining()) { // No data at the moment
// Pretty much a "goto", reusing the existing code path
// for registration
state = UNREGISTERED;
}
continue;
default:
throw new InternalError(String.valueOf(state));
}
return false;
}
assert data.hasRemaining();
return true;
}
}