transcoding: move uid/pid from client to job

Remove the uid/pid on registerClient, and move uid/pid
checking to submitRequest time.

bug: 154733526
test: unit testing, builds

Change-Id: Ibf29e326cd80e133b8630df96382c80dd9002548
diff --git a/services/mediatranscoding/tests/MediaTranscodingServiceTestHelper.h b/services/mediatranscoding/tests/MediaTranscodingServiceTestHelper.h
index b325c5c..0af572e 100644
--- a/services/mediatranscoding/tests/MediaTranscodingServiceTestHelper.h
+++ b/services/mediatranscoding/tests/MediaTranscodingServiceTestHelper.h
@@ -58,6 +58,9 @@
 constexpr uid_t kClientUid = 5000;
 #define UID(n) (kClientUid + (n))
 
+constexpr pid_t kClientPid = 10000;
+#define PID(n) (kClientPid + (n))
+
 constexpr int32_t kClientId = 0;
 #define CLIENT(n) (kClientId + (n))
 
@@ -243,9 +246,21 @@
     return str;
 }
 
-struct TestClientCallback : public BnTranscodingClientCallback, public EventTracker {
-    TestClientCallback(int32_t id) : mClientId(id) {
-        ALOGI("TestClientCallback %d Created", mClientId);
+static constexpr bool success = true;
+static constexpr bool fail = false;
+
+struct TestClientCallback : public BnTranscodingClientCallback,
+                            public EventTracker,
+                            public std::enable_shared_from_this<TestClientCallback> {
+    TestClientCallback(const char* packageName, int32_t id)
+          : mClientId(id), mClientPid(PID(id)), mClientUid(UID(id)), mPackageName(packageName) {
+        ALOGI("TestClientCallback %d created: pid %d, uid %d", id, PID(id), UID(id));
+
+        // Use package uid if that's available.
+        uid_t packageUid;
+        if (getUidForPackage(String16(packageName), 0 /*userId*/, packageUid) == NO_ERROR) {
+            mClientUid = packageUid;
+        }
     }
 
     virtual ~TestClientCallback() { ALOGI("TestClientCallback %d destroyed", mClientId); }
@@ -311,7 +326,99 @@
         return Status::ok();
     }
 
+    Status registerClient(const char* packageName,
+                          const std::shared_ptr<IMediaTranscodingService>& service) {
+        // Override the default uid if the package uid is found.
+        uid_t uid;
+        if (getUidForPackage(String16(packageName), 0 /*userId*/, uid) == NO_ERROR) {
+            mClientUid = uid;
+        }
+
+        ALOGD("registering %s with uid %d", packageName, mClientUid);
+
+        std::shared_ptr<ITranscodingClient> client;
+        Status status =
+                service->registerClient(shared_from_this(), kClientName, packageName, &client);
+
+        mClient = status.isOk() ? client : nullptr;
+        return status;
+    }
+
+    Status unregisterClient() {
+        Status status;
+        if (mClient != nullptr) {
+            status = mClient->unregister();
+            mClient = nullptr;
+        }
+        return status;
+    }
+
+    template <bool expectation = success>
+    bool submit(int32_t jobId, const char* sourceFilePath, const char* destinationFilePath,
+                TranscodingJobPriority priority = TranscodingJobPriority::kNormal,
+                int bitrateBps = -1, int overridePid = -1, int overrideUid = -1) {
+        constexpr bool shouldSucceed = (expectation == success);
+        bool result;
+        TranscodingRequestParcel request;
+        TranscodingJobParcel job;
+
+        request.sourceFilePath = sourceFilePath;
+        request.destinationFilePath = destinationFilePath;
+        request.priority = priority;
+        request.clientPid = (overridePid == -1) ? mClientPid : overridePid;
+        request.clientUid = (overrideUid == -1) ? mClientUid : overrideUid;
+        if (bitrateBps > 0) {
+            request.requestedVideoTrackFormat.emplace(TranscodingVideoTrackFormat());
+            request.requestedVideoTrackFormat->bitrateBps = bitrateBps;
+        }
+        Status status = mClient->submitRequest(request, &job, &result);
+
+        EXPECT_TRUE(status.isOk());
+        EXPECT_EQ(result, shouldSucceed);
+        if (shouldSucceed) {
+            EXPECT_EQ(job.jobId, jobId);
+        }
+
+        return status.isOk() && (result == shouldSucceed) && (!shouldSucceed || job.jobId == jobId);
+    }
+
+    template <bool expectation = success>
+    bool cancel(int32_t jobId) {
+        constexpr bool shouldSucceed = (expectation == success);
+        bool result;
+        Status status = mClient->cancelJob(jobId, &result);
+
+        EXPECT_TRUE(status.isOk());
+        EXPECT_EQ(result, shouldSucceed);
+
+        return status.isOk() && (result == shouldSucceed);
+    }
+
+    template <bool expectation = success>
+    bool getJob(int32_t jobId, const char* sourceFilePath, const char* destinationFilePath) {
+        constexpr bool shouldSucceed = (expectation == success);
+        bool result;
+        TranscodingJobParcel job;
+        Status status = mClient->getJobWithId(jobId, &job, &result);
+
+        EXPECT_TRUE(status.isOk());
+        EXPECT_EQ(result, shouldSucceed);
+        if (shouldSucceed) {
+            EXPECT_EQ(job.jobId, jobId);
+            EXPECT_EQ(job.request.sourceFilePath, sourceFilePath);
+        }
+
+        return status.isOk() && (result == shouldSucceed) &&
+               (!shouldSucceed ||
+                (job.jobId == jobId && job.request.sourceFilePath == sourceFilePath &&
+                 job.request.destinationFilePath == destinationFilePath));
+    }
+
     int32_t mClientId;
+    pid_t mClientPid;
+    uid_t mClientUid;
+    std::string mPackageName;
+    std::shared_ptr<ITranscodingClient> mClient;
 };
 
 class MediaTranscodingServiceTestBase : public ::testing::Test {
@@ -332,37 +439,31 @@
             ALOGE("Failed to connect to the media.trascoding service.");
             return;
         }
-        mClientCallback1 = ::ndk::SharedRefBase::make<TestClientCallback>(CLIENT(1));
-        mClientCallback2 = ::ndk::SharedRefBase::make<TestClientCallback>(CLIENT(2));
-        mClientCallback3 = ::ndk::SharedRefBase::make<TestClientCallback>(CLIENT(3));
+        mClient1 = ::ndk::SharedRefBase::make<TestClientCallback>(kClientPackageA, 1);
+        mClient2 = ::ndk::SharedRefBase::make<TestClientCallback>(kClientPackageB, 2);
+        mClient3 = ::ndk::SharedRefBase::make<TestClientCallback>(kClientPackageC, 3);
     }
 
-    std::shared_ptr<ITranscodingClient> registerOneClient(
-            const char* packageName, const std::shared_ptr<TestClientCallback>& callback,
-            uid_t defaultUid) {
-        uid_t uid;
-        if (getUidForPackage(String16(packageName), 0 /*userId*/, uid) != NO_ERROR) {
-            uid = defaultUid;
-        }
-
-        ALOGD("registering %s with uid %d", packageName, uid);
+    Status registerOneClient(const std::shared_ptr<TestClientCallback>& callback) {
+        ALOGD("registering %s with uid %d", callback->mPackageName.c_str(), callback->mClientUid);
 
         std::shared_ptr<ITranscodingClient> client;
-        Status status = mService->registerClient(callback, kClientName, packageName, uid,
-                                                 kClientUseCallingPid, &client);
-        return status.isOk() ? client : nullptr;
+        Status status =
+                mService->registerClient(callback, kClientName, callback->mPackageName, &client);
+
+        if (status.isOk()) {
+            callback->mClient = client;
+        } else {
+            callback->mClient = nullptr;
+        }
+        return status;
     }
 
     void registerMultipleClients() {
         // Register 3 clients.
-        mClient1 = registerOneClient(kClientPackageA, mClientCallback1, UID(1));
-        EXPECT_TRUE(mClient1 != nullptr);
-
-        mClient2 = registerOneClient(kClientPackageB, mClientCallback2, UID(2));
-        EXPECT_TRUE(mClient2 != nullptr);
-
-        mClient3 = registerOneClient(kClientPackageC, mClientCallback3, UID(3));
-        EXPECT_TRUE(mClient3 != nullptr);
+        EXPECT_TRUE(registerOneClient(mClient1).isOk());
+        EXPECT_TRUE(registerOneClient(mClient2).isOk());
+        EXPECT_TRUE(registerOneClient(mClient3).isOk());
 
         // Check the number of clients.
         int32_t numOfClients;
@@ -372,99 +473,24 @@
     }
 
     void unregisterMultipleClients() {
-        Status status;
-
         // Unregister the clients.
-        status = mClient1->unregister();
-        EXPECT_TRUE(status.isOk());
-
-        status = mClient2->unregister();
-        EXPECT_TRUE(status.isOk());
-
-        status = mClient3->unregister();
-        EXPECT_TRUE(status.isOk());
+        EXPECT_TRUE(mClient1->unregisterClient().isOk());
+        EXPECT_TRUE(mClient2->unregisterClient().isOk());
+        EXPECT_TRUE(mClient3->unregisterClient().isOk());
 
         // Check the number of clients.
         int32_t numOfClients;
-        status = mService->getNumOfClients(&numOfClients);
+        Status status = mService->getNumOfClients(&numOfClients);
         EXPECT_TRUE(status.isOk());
         EXPECT_EQ(0, numOfClients);
     }
 
-    static constexpr bool success = true;
-    static constexpr bool fail = false;
-
-    template <bool expectation = success>
-    bool submit(const std::shared_ptr<ITranscodingClient>& client, int32_t jobId,
-                const char* sourceFilePath, const char* destinationFilePath,
-                TranscodingJobPriority priority = TranscodingJobPriority::kNormal,
-                int bitrateBps = -1) {
-        constexpr bool shouldSucceed = (expectation == success);
-        bool result;
-        TranscodingRequestParcel request;
-        TranscodingJobParcel job;
-
-        request.sourceFilePath = sourceFilePath;
-        request.destinationFilePath = destinationFilePath;
-        request.priority = priority;
-        if (bitrateBps > 0) {
-            request.requestedVideoTrackFormat.emplace(TranscodingVideoTrackFormat());
-            request.requestedVideoTrackFormat->bitrateBps = bitrateBps;
-        }
-        Status status = client->submitRequest(request, &job, &result);
-
-        EXPECT_TRUE(status.isOk());
-        EXPECT_EQ(result, shouldSucceed);
-        if (shouldSucceed) {
-            EXPECT_EQ(job.jobId, jobId);
-        }
-
-        return status.isOk() && (result == shouldSucceed) && (!shouldSucceed || job.jobId == jobId);
-    }
-
-    template <bool expectation = success>
-    bool cancel(const std::shared_ptr<ITranscodingClient>& client, int32_t jobId) {
-        constexpr bool shouldSucceed = (expectation == success);
-        bool result;
-        Status status = client->cancelJob(jobId, &result);
-
-        EXPECT_TRUE(status.isOk());
-        EXPECT_EQ(result, shouldSucceed);
-
-        return status.isOk() && (result == shouldSucceed);
-    }
-
-    template <bool expectation = success>
-    bool getJob(const std::shared_ptr<ITranscodingClient>& client, int32_t jobId,
-                const char* sourceFilePath, const char* destinationFilePath) {
-        constexpr bool shouldSucceed = (expectation == success);
-        bool result;
-        TranscodingJobParcel job;
-        Status status = client->getJobWithId(jobId, &job, &result);
-
-        EXPECT_TRUE(status.isOk());
-        EXPECT_EQ(result, shouldSucceed);
-        if (shouldSucceed) {
-            EXPECT_EQ(job.jobId, jobId);
-            EXPECT_EQ(job.request.sourceFilePath, sourceFilePath);
-        }
-
-        return status.isOk() && (result == shouldSucceed) &&
-               (!shouldSucceed ||
-                (job.jobId == jobId && job.request.sourceFilePath == sourceFilePath &&
-                 job.request.destinationFilePath == destinationFilePath));
-    }
-
     void deleteFile(const char* path) { unlink(path); }
 
     std::shared_ptr<IMediaTranscodingService> mService;
-    std::shared_ptr<TestClientCallback> mClientCallback1;
-    std::shared_ptr<TestClientCallback> mClientCallback2;
-    std::shared_ptr<TestClientCallback> mClientCallback3;
-    std::shared_ptr<ITranscodingClient> mClient1;
-    std::shared_ptr<ITranscodingClient> mClient2;
-    std::shared_ptr<ITranscodingClient> mClient3;
-    const char* mTestName;
+    std::shared_ptr<TestClientCallback> mClient1;
+    std::shared_ptr<TestClientCallback> mClient2;
+    std::shared_ptr<TestClientCallback> mClient3;
 };
 
 }  // namespace media