private static void processGoAwayWriteResult(
final ChannelHandlerContext ctx,
final int lastStreamId,
final long errorCode,
final ByteBuf debugData,
ChannelFuture future) {
try {
if (future.isSuccess()) {
if (errorCode != NO_ERROR.code()) {
if (logger.isDebugEnabled()) {
logger.debug(
format(
"Sent GOAWAY: lastStreamId '%d', errorCode '%d', "
+ "debugData '%s'. Forcing shutdown of the connection.",
lastStreamId, errorCode, debugData.toString(UTF_8)),
future.cause());
}
ctx.close();
}
} else {
if (logger.isErrorEnabled()) {
logger.error(
format(
"Sending GOAWAY failed: lastStreamId '%d', errorCode '%d', "
+ "debugData '%s'. Forcing shutdown of the connection.",
lastStreamId, errorCode, debugData.toString(UTF_8)),
future.cause());
}
ctx.close();
}
} finally {
// We're done with the debug data now.
debugData.release();
}
}
static {
boolean disabled;
if (SystemPropertyUtil.get("io.netty.noResourceLeakDetection") != null) {
boolean disabled = SystemPropertyUtil.getBoolean("io.netty.noResourceLeakDetection", false);
logger.debug("-Dio.netty.noResourceLeakDetection: {}", Boolean.valueOf(disabled));
logger.warn(
"-Dio.netty.noResourceLeakDetection is deprecated. Use '-D{}={}' instead.",
"io.netty.leakDetectionLevel",
DEFAULT_LEVEL.name().toLowerCase());
} else {
disabled = false;
}
Level defaultLevel = disabled ? Level.DISABLED : DEFAULT_LEVEL;
String levelStr =
SystemPropertyUtil.get("io.netty.leakDetectionLevel", defaultLevel.name())
.trim()
.toUpperCase();
Level level = DEFAULT_LEVEL;
for (Level l : EnumSet.allOf(Level.class)) {
if ((levelStr.equals(l.name())) || (levelStr.equals(String.valueOf(l.ordinal())))) {
level = l;
}
}
level = level;
if (logger.isDebugEnabled()) {
logger.debug("-D{}: {}", "io.netty.leakDetectionLevel", level.name().toLowerCase());
}
}
static {
DEFAULT_EVENT_LOOP_THREADS =
Math.max(
1,
SystemPropertyUtil.getInt(
"io.netty.eventLoopThreads", Runtime.getRuntime().availableProcessors() * 2));
if (logger.isDebugEnabled()) {
logger.debug("-Dio.netty.eventLoopThreads: {}", DEFAULT_EVENT_LOOP_THREADS);
}
}
/** 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 exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
if (ignoreException(cause)) {
// It is safe to ignore the 'connection reset by peer' or
// 'broken pipe' error after sending close_notify.
if (logger.isDebugEnabled()) {
logger.debug(
"Swallowing a harmless 'connection reset by peer / broken pipe' error that occurred "
+ "while writing close_notify in response to the peer's close_notify",
cause);
}
// Close the connection explicitly just in case the transport
// did not close the connection automatically.
if (ctx.channel().isActive()) {
ctx.close();
}
} else {
ctx.fireExceptionCaught(cause);
}
}
public boolean isTraceEnabled() {
return _log.isDebugEnabled();
}