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[#2414] Fix IllegalStateException when try to configure AbstractEpollChannel once it is deregistered

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Motivation:
AbstractEpollChannel.clearEpollIn() throws an IllegalStateException if a user tries to change the autoRead configuration for the Channel and the Channel is not registered on an EventLoop yet. This makes it for example impossible to set AUTO_READ to false via the ServerBootstrap as the configuration is modifed before the Channel is registered.

Modification:
Check if the Channel is registered and if not just modify the flags directly so they are respected once the Channel is registered

Result:
It is possible now to configure AUTO_READ via the ServerBootstrap
This commit is contained in:
Norman Maurer 2014-04-22 10:14:31 +02:00
parent 60830012df
commit 778ee88ada
1 changed files with 21 additions and 14 deletions
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7
transport-native-epoll/src/main/java/io/netty/channel/epoll/AbstractEpollChannel.java
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@ -105,6 +105,8 @@ abstract class AbstractEpollChannel extends AbstractChannel {
}
final void clearEpollIn() {
// Only clear if registered with an EventLoop as otherwise
if (isRegistered()) {
final EventLoop loop = eventLoop();
final AbstractEpollUnsafe unsafe = (AbstractEpollUnsafe) unsafe();
if (loop.inEventLoop()) {
@ -121,6 +123,11 @@ abstract class AbstractEpollChannel extends AbstractChannel {
}
});
}
} else {
// The EventLoop is not registered atm so just update the flags so the correct value
// will be used once the channel is registered
flags &= ~readFlag;
}
}
protected final void setEpollOut() {