BoringSSLTlsextServernameCallback Class — netty Architecture

Source Code

codec-classes-quic/src/main/java/io/netty/handler/codec/quic/BoringSSLTlsextServernameCallback.java lines 20–45

final class BoringSSLTlsextServernameCallback {

    private final QuicheQuicSslEngineMap engineMap;
    private final Mapping<? super String, ? extends QuicSslContext> mapping;

    BoringSSLTlsextServernameCallback(QuicheQuicSslEngineMap engineMap,
                                      Mapping<? super String, ? extends QuicSslContext> mapping) {
        this.engineMap = engineMap;
        this.mapping = mapping;
    }

    @SuppressWarnings("unused")
    long selectCtx(long ssl, String serverName) {
        final QuicheQuicSslEngine engine = engineMap.get(ssl);
        if (engine == null) {
            // May be null if it was destroyed in the meantime.
            return -1;
        }

        QuicSslContext context = mapping.map(serverName);
        if (context == null) {
            return -1;
        }
        return engine.moveTo(serverName, (QuicheQuicSslContext) context);
    }
}