use of io.netty.channel.local.LocalChannel in project netty by netty.
the class LocalEcho method main.
public static void main(String[] args) throws Exception {
// Address to bind on / connect to.
final LocalAddress addr = new LocalAddress(PORT);
EventLoopGroup serverGroup = new DefaultEventLoopGroup();
// NIO event loops are also OK
EventLoopGroup clientGroup = new NioEventLoopGroup();
try {
// Note that we can use any event loop to ensure certain local channels
// are handled by the same event loop thread which drives a certain socket channel
// to reduce the communication latency between socket channels and local channels.
ServerBootstrap sb = new ServerBootstrap();
sb.group(serverGroup).channel(LocalServerChannel.class).handler(new ChannelInitializer<LocalServerChannel>() {
@Override
public void initChannel(LocalServerChannel ch) throws Exception {
ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO));
}
}).childHandler(new ChannelInitializer<LocalChannel>() {
@Override
public void initChannel(LocalChannel ch) throws Exception {
ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO), new LocalEchoServerHandler());
}
});
Bootstrap cb = new Bootstrap();
cb.group(clientGroup).channel(LocalChannel.class).handler(new ChannelInitializer<LocalChannel>() {
@Override
public void initChannel(LocalChannel ch) throws Exception {
ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO), new LocalEchoClientHandler());
}
});
// Start the server.
sb.bind(addr).sync();
// Start the client.
Channel ch = cb.connect(addr).sync().channel();
// Read commands from the stdin.
System.out.println("Enter text (quit to end)");
ChannelFuture lastWriteFuture = null;
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
for (; ; ) {
String line = in.readLine();
if (line == null || "quit".equalsIgnoreCase(line)) {
break;
}
// Sends the received line to the server.
lastWriteFuture = ch.writeAndFlush(line);
}
// Wait until all messages are flushed before closing the channel.
if (lastWriteFuture != null) {
lastWriteFuture.awaitUninterruptibly();
}
} finally {
serverGroup.shutdownGracefully();
clientGroup.shutdownGracefully();
}
}
use of io.netty.channel.local.LocalChannel in project netty by netty.
the class FixedChannelPoolTest method testAcquireBoundQueue.
@Test(expected = IllegalStateException.class)
public void testAcquireBoundQueue() throws Exception {
EventLoopGroup group = new LocalEventLoopGroup();
LocalAddress addr = new LocalAddress(LOCAL_ADDR_ID);
Bootstrap cb = new Bootstrap();
cb.remoteAddress(addr);
cb.group(group).channel(LocalChannel.class);
ServerBootstrap sb = new ServerBootstrap();
sb.group(group).channel(LocalServerChannel.class).childHandler(new ChannelInitializer<LocalChannel>() {
@Override
public void initChannel(LocalChannel ch) throws Exception {
ch.pipeline().addLast(new ChannelInboundHandlerAdapter());
}
});
// Start server
Channel sc = sb.bind(addr).syncUninterruptibly().channel();
ChannelPoolHandler handler = new TestChannelPoolHandler();
ChannelPool pool = new FixedChannelPool(cb, handler, 1, 1);
Channel channel = pool.acquire().syncUninterruptibly().getNow();
Future<Channel> future = pool.acquire();
assertFalse(future.isDone());
try {
pool.acquire().syncUninterruptibly();
} finally {
sc.close().syncUninterruptibly();
channel.close().syncUninterruptibly();
group.shutdownGracefully();
}
}
use of io.netty.channel.local.LocalChannel in project netty by netty.
the class SimpleChannelPoolTest method testBoundedChannelPoolSegment.
@Test
public void testBoundedChannelPoolSegment() throws Exception {
EventLoopGroup group = new LocalEventLoopGroup();
LocalAddress addr = new LocalAddress(LOCAL_ADDR_ID);
Bootstrap cb = new Bootstrap();
cb.remoteAddress(addr);
cb.group(group).channel(LocalChannel.class);
ServerBootstrap sb = new ServerBootstrap();
sb.group(group).channel(LocalServerChannel.class).childHandler(new ChannelInitializer<LocalChannel>() {
@Override
public void initChannel(LocalChannel ch) throws Exception {
ch.pipeline().addLast(new ChannelInboundHandlerAdapter());
}
});
// Start server
Channel sc = sb.bind(addr).sync().channel();
CountingChannelPoolHandler handler = new CountingChannelPoolHandler();
ChannelPool pool = new SimpleChannelPool(cb, handler, ChannelHealthChecker.ACTIVE) {
private final Queue<Channel> queue = new LinkedBlockingQueue<Channel>(1);
@Override
protected Channel pollChannel() {
return queue.poll();
}
@Override
protected boolean offerChannel(Channel ch) {
return queue.offer(ch);
}
};
Channel channel = pool.acquire().sync().getNow();
Channel channel2 = pool.acquire().sync().getNow();
pool.release(channel).syncUninterruptibly().getNow();
try {
pool.release(channel2).syncUninterruptibly();
fail();
} catch (IllegalStateException e) {
// expected
}
channel2.close().sync();
assertEquals(2, handler.channelCount());
assertEquals(0, handler.acquiredCount());
assertEquals(1, handler.releasedCount());
sc.close().sync();
channel.close().sync();
channel2.close().sync();
group.shutdownGracefully();
}
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