HmacSignQuicConnectionIdGenerator Class — netty Architecture

Source Code

codec-classes-quic/src/main/java/io/netty/handler/codec/quic/HmacSignQuicConnectionIdGenerator.java lines 26–56

final class HmacSignQuicConnectionIdGenerator implements QuicConnectionIdGenerator {
    static final QuicConnectionIdGenerator INSTANCE = new HmacSignQuicConnectionIdGenerator();

    private HmacSignQuicConnectionIdGenerator() {
    }

    @Override
    public ByteBuffer newId(int length) {
        throw new UnsupportedOperationException(
                "HmacSignQuicConnectionIdGenerator should always have an input to sign with");
    }

    @Override
    public ByteBuffer newId(ByteBuffer buffer, int length) {
        ObjectUtil.checkNotNull(buffer, "buffer");
        ObjectUtil.checkPositive(buffer.remaining(), "buffer");
        ObjectUtil.checkInRange(length, 0, maxConnectionIdLength(), "length");

        return Hmac.sign(buffer, length);
    }

    @Override
    public int maxConnectionIdLength() {
        return Quiche.QUICHE_MAX_CONN_ID_LEN;
    }

    @Override
    public boolean isIdempotent() {
        return true;
    }
}