1/*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package android.hardware.cas@1.1;
17
18import @1.0::HidlCasSessionId;
19import @1.0::ICas;
20import @1.0::Status;
21
22/**
23 * ICas is the API to control the cas system and is accessible from both
24 * Java and native level. It is used to manage sessions, provision/refresh
25 * the cas system, and process the EMM/ECM messages. It also allows bi-directional,
26 * scheme-specific communications between the client and the cas system.
27 */
28
29interface ICas extends @1.0::ICas {
30   /**
31     * Send an scheme-specific session event to the CasPlugin.
32     *
33     * @param sessionId the id of an opened session.
34     * @param event an integer denoting a scheme-specific event to be sent.
35     * @param arg a scheme-specific integer argument for the event.
36     * @param data a byte array containing scheme-specific data for the event.
37     * @return status the status of the call.
38     */
39    sendSessionEvent(HidlCasSessionId sessionId, int32_t event, int32_t arg,
40                     vec<uint8_t> eventData)
41          generates (Status status);
42};
43