@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
final Channel inboundChannel = ctx.channel();
// Start the connection attempt.
Bootstrap bootstrap = new Bootstrap();
bootstrap
.group(inboundChannel.eventLoop())
.channel(ctx.channel().getClass())
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
// Create a default pipeline implementation.
ChannelPipeline pipeline = ch.pipeline();
// add logging
if (logger.isDebugEnabled()) {
pipeline.addLast("logger", new LoggingHandler(" -->"));
}
// add HTTPS proxy -> server support
if (secure) {
SSLEngine engine = SSLFactory.sslContext().createSSLEngine();
engine.setUseClientMode(true);
pipeline.addLast("proxy -> server ssl", new SslHandler(engine));
}
// add handler
pipeline.addLast(
new ProxyRelayHandler(
inboundChannel,
bufferedCapacity,
new RequestInterceptor(),
" -->"));
}
})
.option(ChannelOption.AUTO_READ, false);
ChannelFuture channelFuture = bootstrap.connect(remoteSocketAddress);
outboundChannel = channelFuture.channel();
channelFuture.addListener(
new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
if (future.isSuccess()) {
channelBuffer.clear();
bufferedMode = bufferedCapacity > 0;
flushedBuffer = false;
// connection complete start to read first data
inboundChannel.read();
} else {
// Close the connection if the connection attempt has failed.
inboundChannel.close();
}
}
});
}
private void connected(final Channel ch, final Handler<ClientConnection> connectHandler) {
actualCtx.execute(
ch.eventLoop(),
new Runnable() {
public void run() {
createConn(ch, connectHandler);
}
});
}
private void failed(
final Channel ch, final Handler<Throwable> connectionExceptionHandler, final Throwable t) {
// If no specific exception handler is provided, fall back to the HttpClient's exception
// handler.
final Handler<Throwable> exHandler =
connectionExceptionHandler == null ? exceptionHandler : connectionExceptionHandler;
actualCtx.execute(
ch.eventLoop(),
new Runnable() {
public void run() {
pool.connectionClosed();
try {
ch.close();
} catch (Exception ignore) {
}
if (exHandler != null) {
exHandler.handle(t);
} else {
actualCtx.reportException(t);
}
}
});
}