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/*
* Copyright (C) 2015 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.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "DrmSessionManager_test"
#include <utils/Log.h>
#include <gtest/gtest.h>
#include "Drm.h"
#include "DrmSessionClientInterface.h"
#include "DrmSessionManager.h"
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/ProcessInfoInterface.h>
namespace android {
struct FakeProcessInfo : public ProcessInfoInterface {
FakeProcessInfo() {}
virtual ~FakeProcessInfo() {}
virtual bool getPriority(int pid, int* priority) {
// For testing, use pid as priority.
// Lower the value higher the priority.
*priority = pid;
return true;
}
private:
DISALLOW_EVIL_CONSTRUCTORS(FakeProcessInfo);
};
struct FakeDrm : public DrmSessionClientInterface {
FakeDrm() {}
virtual ~FakeDrm() {}
virtual bool reclaimSession(const Vector<uint8_t>& sessionId) {
mReclaimedSessions.push_back(sessionId);
return true;
}
const Vector<Vector<uint8_t> >& reclaimedSessions() const {
return mReclaimedSessions;
}
private:
Vector<Vector<uint8_t> > mReclaimedSessions;
DISALLOW_EVIL_CONSTRUCTORS(FakeDrm);
};
static const int kTestPid1 = 30;
static const int kTestPid2 = 20;
static const uint8_t kTestSessionId1[] = {1, 2, 3};
static const uint8_t kTestSessionId2[] = {4, 5, 6, 7, 8};
static const uint8_t kTestSessionId3[] = {9, 0};
class DrmSessionManagerTest : public ::testing::Test {
public:
DrmSessionManagerTest()
: mDrmSessionManager(new DrmSessionManager(new FakeProcessInfo())),
mTestDrm1(new FakeDrm()),
mTestDrm2(new FakeDrm()) {
GetSessionId(kTestSessionId1, ARRAY_SIZE(kTestSessionId1), &mSessionId1);
GetSessionId(kTestSessionId2, ARRAY_SIZE(kTestSessionId2), &mSessionId2);
GetSessionId(kTestSessionId3, ARRAY_SIZE(kTestSessionId3), &mSessionId3);
}
protected:
static void GetSessionId(const uint8_t* ids, size_t num, Vector<uint8_t>* sessionId) {
for (size_t i = 0; i < num; ++i) {
sessionId->push_back(ids[i]);
}
}
static void ExpectEqSessionInfo(const SessionInfo& info, sp<DrmSessionClientInterface> drm,
const Vector<uint8_t>& sessionId, int64_t timeStamp) {
EXPECT_EQ(drm, info.drm);
EXPECT_TRUE(isEqualSessionId(sessionId, info.sessionId));
EXPECT_EQ(timeStamp, info.timeStamp);
}
void addSession() {
mDrmSessionManager->addSession(kTestPid1, mTestDrm1, mSessionId1);
mDrmSessionManager->addSession(kTestPid2, mTestDrm2, mSessionId2);
mDrmSessionManager->addSession(kTestPid2, mTestDrm2, mSessionId3);
const PidSessionInfosMap& map = sessionMap();
EXPECT_EQ(2u, map.size());
ssize_t index1 = map.indexOfKey(kTestPid1);
ASSERT_GE(index1, 0);
const SessionInfos& infos1 = map[index1];
EXPECT_EQ(1u, infos1.size());
ExpectEqSessionInfo(infos1[0], mTestDrm1, mSessionId1, 0);
ssize_t index2 = map.indexOfKey(kTestPid2);
ASSERT_GE(index2, 0);
const SessionInfos& infos2 = map[index2];
EXPECT_EQ(2u, infos2.size());
ExpectEqSessionInfo(infos2[0], mTestDrm2, mSessionId2, 1);
ExpectEqSessionInfo(infos2[1], mTestDrm2, mSessionId3, 2);
}
const PidSessionInfosMap& sessionMap() {
return mDrmSessionManager->mSessionMap;
}
void testGetLowestPriority() {
int pid;
int priority;
EXPECT_FALSE(mDrmSessionManager->getLowestPriority_l(&pid, &priority));
addSession();
EXPECT_TRUE(mDrmSessionManager->getLowestPriority_l(&pid, &priority));
EXPECT_EQ(kTestPid1, pid);
FakeProcessInfo processInfo;
int priority1;
processInfo.getPriority(kTestPid1, &priority1);
EXPECT_EQ(priority1, priority);
}
void testGetLeastUsedSession() {
sp<DrmSessionClientInterface> drm;
Vector<uint8_t> sessionId;
EXPECT_FALSE(mDrmSessionManager->getLeastUsedSession_l(kTestPid1, &drm, &sessionId));
addSession();
EXPECT_TRUE(mDrmSessionManager->getLeastUsedSession_l(kTestPid1, &drm, &sessionId));
EXPECT_EQ(mTestDrm1, drm);
EXPECT_TRUE(isEqualSessionId(mSessionId1, sessionId));
EXPECT_TRUE(mDrmSessionManager->getLeastUsedSession_l(kTestPid2, &drm, &sessionId));
EXPECT_EQ(mTestDrm2, drm);
EXPECT_TRUE(isEqualSessionId(mSessionId2, sessionId));
// mSessionId2 is no longer the least used session.
mDrmSessionManager->useSession(mSessionId2);
EXPECT_TRUE(mDrmSessionManager->getLeastUsedSession_l(kTestPid2, &drm, &sessionId));
EXPECT_EQ(mTestDrm2, drm);
EXPECT_TRUE(isEqualSessionId(mSessionId3, sessionId));
}
sp<DrmSessionManager> mDrmSessionManager;
sp<FakeDrm> mTestDrm1;
sp<FakeDrm> mTestDrm2;
Vector<uint8_t> mSessionId1;
Vector<uint8_t> mSessionId2;
Vector<uint8_t> mSessionId3;
};
TEST_F(DrmSessionManagerTest, addSession) {
addSession();
}
TEST_F(DrmSessionManagerTest, useSession) {
addSession();
mDrmSessionManager->useSession(mSessionId1);
mDrmSessionManager->useSession(mSessionId3);
const PidSessionInfosMap& map = sessionMap();
const SessionInfos& infos1 = map.valueFor(kTestPid1);
const SessionInfos& infos2 = map.valueFor(kTestPid2);
ExpectEqSessionInfo(infos1[0], mTestDrm1, mSessionId1, 3);
ExpectEqSessionInfo(infos2[1], mTestDrm2, mSessionId3, 4);
}
TEST_F(DrmSessionManagerTest, removeSession) {
addSession();
mDrmSessionManager->removeSession(mSessionId2);
const PidSessionInfosMap& map = sessionMap();
EXPECT_EQ(2u, map.size());
const SessionInfos& infos1 = map.valueFor(kTestPid1);
const SessionInfos& infos2 = map.valueFor(kTestPid2);
EXPECT_EQ(1u, infos1.size());
EXPECT_EQ(1u, infos2.size());
// mSessionId2 has been removed.
ExpectEqSessionInfo(infos2[0], mTestDrm2, mSessionId3, 2);
}
TEST_F(DrmSessionManagerTest, removeDrm) {
addSession();
sp<FakeDrm> drm = new FakeDrm;
const uint8_t ids[] = {123};
Vector<uint8_t> sessionId;
GetSessionId(ids, ARRAY_SIZE(ids), &sessionId);
mDrmSessionManager->addSession(kTestPid2, drm, sessionId);
mDrmSessionManager->removeDrm(mTestDrm2);
const PidSessionInfosMap& map = sessionMap();
const SessionInfos& infos2 = map.valueFor(kTestPid2);
EXPECT_EQ(1u, infos2.size());
// mTestDrm2 has been removed.
ExpectEqSessionInfo(infos2[0], drm, sessionId, 3);
}
TEST_F(DrmSessionManagerTest, reclaimSession) {
EXPECT_FALSE(mDrmSessionManager->reclaimSession(kTestPid1));
addSession();
// calling pid priority is too low
EXPECT_FALSE(mDrmSessionManager->reclaimSession(50));
EXPECT_TRUE(mDrmSessionManager->reclaimSession(10));
EXPECT_EQ(1u, mTestDrm1->reclaimedSessions().size());
EXPECT_TRUE(isEqualSessionId(mSessionId1, mTestDrm1->reclaimedSessions()[0]));
mDrmSessionManager->removeSession(mSessionId1);
// add a session from a higher priority process.
sp<FakeDrm> drm = new FakeDrm;
const uint8_t ids[] = {1, 3, 5};
Vector<uint8_t> sessionId;
GetSessionId(ids, ARRAY_SIZE(ids), &sessionId);
mDrmSessionManager->addSession(15, drm, sessionId);
EXPECT_TRUE(mDrmSessionManager->reclaimSession(18));
EXPECT_EQ(1u, mTestDrm2->reclaimedSessions().size());
// mSessionId2 is reclaimed.
EXPECT_TRUE(isEqualSessionId(mSessionId2, mTestDrm2->reclaimedSessions()[0]));
}
TEST_F(DrmSessionManagerTest, getLowestPriority) {
testGetLowestPriority();
}
TEST_F(DrmSessionManagerTest, getLeastUsedSession_l) {
testGetLeastUsedSession();
}
} // namespace android
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