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/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
interface IBinderRpcTest {
oneway void sendString(@utf8InCpp String str);
@utf8InCpp String doubleString(@utf8InCpp String str);
// get the port that a client used to connect to this object
int getClientPort();
// number of known RPC binders to process, RpcState::countBinders by session
int[] countBinders();
// Return a null binder with a non-nullable return type.
IBinder getNullBinder();
// Caller sends server, callee pings caller's server and returns error code.
int pingMe(IBinder binder);
@nullable IBinder repeatBinder(@nullable IBinder binder);
void holdBinder(@nullable IBinder binder);
@nullable IBinder getHeldBinder();
// Idea is client creates its own instance of IBinderRpcTest and calls this,
// and the server calls 'binder' with (calls - 1) passing itself as 'binder',
// going back and forth until calls = 0
void nestMe(IBinderRpcTest binder, int calls);
// should always return the same binder
IBinder alwaysGiveMeTheSameBinder();
// Idea is that the server will not hold onto the session, the remote session
// object must. This is to test lifetimes of binder objects, and consequently, also
// identity (since by assigning sessions names, we can make sure a section always
// references the session it was originally opened with).
IBinderRpcSession openSession(@utf8InCpp String name);
// Decremented in ~IBinderRpcSession
int getNumOpenSessions();
// primitives to test threading behavior
void lock();
oneway void unlockInMsAsync(int ms);
void lockUnlock(); // locks and unlocks a mutex
// take up binder thread for some time
void sleepMs(int ms);
oneway void sleepMsAsync(int ms);
void doCallback(IBinderRpcCallback callback, boolean isOneway, boolean delayed, @utf8InCpp String value);
oneway void doCallbackAsync(IBinderRpcCallback callback, boolean isOneway, boolean delayed, @utf8InCpp String value);
void die(boolean cleanup);
void scheduleShutdown();
void useKernelBinderCallingId();
ParcelFileDescriptor echoAsFile(@utf8InCpp String content);
ParcelFileDescriptor concatFiles(in List<ParcelFileDescriptor> files);
// FDs sent via `blockingSendFdOneway` can be received via
// `blockingRecvFd`. The handler for `blockingSendFdOneway` will block
// until the next `blockingRecvFd` call.
//
// This is useful for carefully controlling how/when oneway transactions
// get queued.
oneway void blockingSendFdOneway(in ParcelFileDescriptor fd);
ParcelFileDescriptor blockingRecvFd();
}
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