@Override
public void read(ChannelHandlerContext ctx) throws Exception {
if (!handshakePromise.isDone()) {
readDuringHandshake = true;
}
ctx.read();
}
@Override
public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
try {
ctx.flush();
} finally {
if (!autoRead) {
ctx.read();
}
}
}
@Override
public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
if (inboundEmitter.requested != 0L) {
ctx.read();
} else {
if (log.isDebugEnabled()) {
log.debug("Pausing read due to lack of request");
}
}
ctx.fireChannelReadComplete();
}
public void channelRead(final ChannelHandlerContext remoteChannelCtx, final Object msg)
throws Exception {
LoggerUtil.debug(
logger, uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY), "Remote msg", msg);
remainMsgCount++;
if (remainMsgCount <= 5) {
remoteChannelCtx.read();
}
HttpObject ho = (HttpObject) msg;
if (ho instanceof HttpResponse) {
HttpResponse httpResponse = (HttpResponse) ho;
LoggerUtil.info(
forwardRestLogger,
uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY),
httpResponse.getStatus(),
httpResponse.getProtocolVersion());
httpResponse.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
httpResponse.headers().set("Proxy-Connection", HttpHeaders.Values.KEEP_ALIVE);
}
if (uaChannel.isActive()) {
uaChannel
.writeAndFlush(ho)
.addListener(
new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
LoggerUtil.debug(
logger,
uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY),
"Write to UA finished: " + future.isSuccess());
if (future.isSuccess()) {
remainMsgCount--;
remoteChannelCtx.read();
LoggerUtil.debug(
logger,
uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY),
"Fire read again");
} else {
remoteChannelCtx.close();
}
}
});
} else {
remoteChannelCtx.close();
}
}
/** Notify all the handshake futures about the successfully handshake */
private void setHandshakeSuccess() {
// Work around the JVM crash which occurs when a cipher suite with GCM enabled.
final String cipherSuite = String.valueOf(engine.getSession().getCipherSuite());
if (!wantsDirectBuffer && (cipherSuite.contains("_GCM_") || cipherSuite.contains("-GCM-"))) {
wantsInboundHeapBuffer = true;
}
handshakePromise.trySuccess(ctx.channel());
if (logger.isDebugEnabled()) {
logger.debug("{} HANDSHAKEN: {}", ctx.channel(), engine.getSession().getCipherSuite());
}
ctx.fireUserEventTriggered(SslHandshakeCompletionEvent.SUCCESS);
if (readDuringHandshake && !ctx.channel().config().isAutoRead()) {
readDuringHandshake = false;
ctx.read();
}
}
@Override
public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
// Discard bytes of the cumulation buffer if needed.
discardSomeReadBytes();
if (needsFlush) {
needsFlush = false;
ctx.flush();
}
// If handshake is not finished yet, we need more data.
if (!ctx.channel().config().isAutoRead() && (!firedChannelRead || !handshakePromise.isDone())) {
// No auto-read used and no message passed through the ChannelPipeline or the handhshake was
// not complete
// yet, which means we need to trigger the read to ensure we not encounter any stalls.
ctx.read();
}
firedChannelRead = false;
ctx.fireChannelReadComplete();
}
@Override
public void read(ChannelHandlerContext ctx) {
if (!isSuspended(ctx)) {
ctx.read();
}
}
@Override
public void run() {
ctx.attr(READ_SUSPENDED).set(false);
ctx.read();
}
@Override
public void channelActive(ChannelHandlerContext remoteChannelCtx) throws Exception {
LoggerUtil.debug(
logger, uaChannel.attr(ApnProxyConnectionAttribute.ATTRIBUTE_KEY), "Remote channel active");
remoteChannelCtx.read();
}
@Override
public void read(ChannelHandlerContext ctx) {
ctx.read();
}
@Override
public void read(ChannelHandlerContext ctx) throws Exception {
ctx.read();
}
