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/*
* Copyright (C) 2016 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.
*/
package android.hardware.tests.foo@1.0;
//import IFoo;
interface IFooCallback {
//heyItsMe(IFoo cb);
heyItsYou(IFooCallback cb);
heyItsYouIsntIt(IFooCallback cb) generates (bool yesOrNo);
oneway heyItsTheMeaningOfLife(uint8_t tmol);
// The next two methods are for instrumentation purposes.
// Block the caller for up to ns nanosesonds and return the number
// of nanoseconds it took to invoke each of the three methods
// above, both from the point of view of the caller (callerBlockedNs) and
// from the point of view of IFooCallback itself (timeNs). timeNs measures
// how long a method's body took to execute, regardless of whether the
// method was oneway or two-way. callerBlockedNs reflects the amount of
// time the caller was blocked before the method returned. For two-way
// methods, callerBlockedNs should be slightly higher than timeNs. For
// one-way calls, callerBlockedNs will be very low, and unrelated to
// timeNs.
struct InvokeInfo {
bool invoked;
int64_t callerBlockedNs;
int64_t timeNs;
};
reportResults(int64_t ns) generates (int64_t leftNs, InvokeInfo[3] invokeInfo);
// This method is used by the caller of IFooCallback to tell IFooCallback
// how long the three methods above took, from the point of view of that
// caller. IFooCallback adds this information to the one reported by
// reportResults in InvokeInfo.
youBlockedMeFor(int64_t[3] callerBlockedInfo);
};