acknowledgeInsertCount() — netty Function Reference

Source Code

codec-http3/src/main/java/io/netty/handler/codec/http3/QpackEncoderDynamicTable.java lines 186–208

    private void acknowledgeInsertCount(int entryIndex, boolean updateKnownReceived) throws QpackException {
        if (entryIndex < 0) {
            throw INVALID_REQUIRED_INSERT_COUNT_INCREMENT;
        }
        for (HeaderEntry e = head.next; e != null; e = e.next) {
            if (e.index == entryIndex) {
                assert e.refCount > 0;
                e.refCount--;
                if (updateKnownReceived && e.index > knownReceived.index) {
                    // https://www.rfc-editor.org/rfc/rfc9204.html#name-known-received-count
                    // If the Required Insert Count of the acknowledged field section is greater than the current Known
                    // Received Count, Known Received Count is updated to that Required Insert Count value.
                    knownReceived = e;
                }
                evictUnreferencedEntries();
                return;
            }
        }
        // We have reached the end of the linked list so the index was invalid and hence the connection should
        // be closed.
        // https://www.rfc-editor.org/rfc/rfc9204.html#section-4.4
        throw INVALID_REQUIRED_INSERT_COUNT_INCREMENT;
    }