applyHandshakeTimeout() — netty Function Reference

Source Code

handler/src/main/java/io/netty/handler/ssl/SslHandler.java lines 2281–2310

    private void applyHandshakeTimeout() {
        final Promise<Channel> localHandshakePromise = this.handshakePromise;

        // Set timeout if necessary.
        final long handshakeTimeoutMillis = this.handshakeTimeoutMillis;
        if (handshakeTimeoutMillis <= 0 || localHandshakePromise.isDone()) {
            return;
        }

        final Future<?> timeoutFuture = ctx.executor().schedule(new Runnable() {
            @Override
            public void run() {
                if (localHandshakePromise.isDone()) {
                    return;
                }
                SSLException exception =
                        new SslHandshakeTimeoutException("handshake timed out after " + handshakeTimeoutMillis + "ms");
                try {
                    if (localHandshakePromise.tryFailure(exception)) {
                        SslUtils.handleHandshakeFailure(ctx, exception, true);
                    }
                } finally {
                    releaseAndFailAll(ctx, exception);
                }
            }
        }, handshakeTimeoutMillis, TimeUnit.MILLISECONDS);

        // Cancel the handshake timeout when handshake is finished.
        localHandshakePromise.addListener(f -> timeoutFuture.cancel(false));
    }