Game Driver: make GpuService the GpuStats holder

Move IGpuService to graphicsenv to avoid dependency circle. Add ATRACE
to GraphicsEnv. Implement the prototype SET_GPU_STATS IPC to collect
GpuStats from applications.

Bug: 123529932
Test: Build, flash and boot.
Change-Id: I7d76324c5adb6ad00f1e5420ab2c7f4067f33253
diff --git a/libs/graphicsenv/Android.bp b/libs/graphicsenv/Android.bp
index 280c14a..d940752 100644
--- a/libs/graphicsenv/Android.bp
+++ b/libs/graphicsenv/Android.bp
@@ -17,14 +17,17 @@
 
     srcs: [
         "GraphicsEnv.cpp",
+        "IGpuService.cpp"
     ],
 
     cflags: ["-Wall", "-Werror"],
 
     shared_libs: [
         "libbase",
+        "libbinder",
         "libcutils",
         "liblog",
+        "libutils",
     ],
 
     export_include_dirs: ["include"],
diff --git a/libs/graphicsenv/GraphicsEnv.cpp b/libs/graphicsenv/GraphicsEnv.cpp
index 337308b..c20d54b 100644
--- a/libs/graphicsenv/GraphicsEnv.cpp
+++ b/libs/graphicsenv/GraphicsEnv.cpp
@@ -14,8 +14,11 @@
  * limitations under the License.
  */
 
+#define ATRACE_TAG ATRACE_TAG_GRAPHICS
+
 //#define LOG_NDEBUG 1
 #define LOG_TAG "GraphicsEnv"
+
 #include <graphicsenv/GraphicsEnv.h>
 
 #include <dlfcn.h>
@@ -25,15 +28,16 @@
 #include <android-base/properties.h>
 #include <android-base/strings.h>
 #include <android/dlext.h>
+#include <binder/IServiceManager.h>
 #include <cutils/properties.h>
+#include <graphicsenv/IGpuService.h>
 #include <log/log.h>
 #include <sys/prctl.h>
+#include <utils/Trace.h>
 
 #include <memory>
 #include <string>
 
-#include <dlfcn.h>
-
 // TODO(b/37049319) Get this from a header once one exists
 extern "C" {
 android_namespace_t* android_get_exported_namespace(const char*);
@@ -155,9 +159,16 @@
 void GraphicsEnv::setGpuStats(const std::string driverPackageName,
                               const std::string driverVersionName, const uint64_t driverVersionCode,
                               const std::string appPackageName) {
-    ALOGV("setGpuStats: drvPkgName[%s], drvVerName[%s], drvVerCode[%lld], appPkgName[%s]",
-          driverPackageName.c_str(), driverVersionName.c_str(), (long long)driverVersionCode,
-          appPackageName.c_str());
+    ATRACE_CALL();
+
+    ALOGV("setGpuStats:\n"
+          "\tdriverPackageName[%s]\n"
+          "\tdriverVersionName[%s]\n"
+          "\tdriverVersionCode[%llu]\n"
+          "\tappPackageName[%s]\n",
+          driverPackageName.c_str(), driverVersionName.c_str(),
+          (unsigned long long)driverVersionCode, appPackageName.c_str());
+
     mGpuStats = {
             .driverPackageName = driverPackageName,
             .driverVersionName = driverVersionName,
@@ -166,6 +177,32 @@
     };
 }
 
+void GraphicsEnv::sendGpuStats() {
+    ATRACE_CALL();
+
+    // Do not sendGpuStats for those skipping the GraphicsEnvironment setup
+    if (mGpuStats.appPackageName.empty()) return;
+
+    ALOGV("sendGpuStats:\n"
+          "\tdriverPackageName[%s]\n"
+          "\tdriverVersionName[%s]\n"
+          "\tdriverVersionCode[%llu]\n"
+          "\tappPackageName[%s]\n",
+          mGpuStats.driverPackageName.c_str(), mGpuStats.driverVersionName.c_str(),
+          (unsigned long long)mGpuStats.driverVersionCode, mGpuStats.appPackageName.c_str());
+
+    const sp<IBinder> binder = defaultServiceManager()->checkService(String16("gpu"));
+    if (!binder) {
+        ALOGE("Failed to get gpu service for [%s]", mGpuStats.appPackageName.c_str());
+        return;
+    }
+
+    interface_cast<IGpuService>(binder)->setGpuStats(mGpuStats.driverPackageName,
+                                                     mGpuStats.driverVersionName,
+                                                     mGpuStats.driverVersionCode,
+                                                     mGpuStats.appPackageName);
+}
+
 void* GraphicsEnv::loadLibrary(std::string name) {
     const android_dlextinfo dlextinfo = {
             .flags = ANDROID_DLEXT_USE_NAMESPACE,
diff --git a/libs/graphicsenv/IGpuService.cpp b/libs/graphicsenv/IGpuService.cpp
new file mode 100644
index 0000000..98a6395
--- /dev/null
+++ b/libs/graphicsenv/IGpuService.cpp
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2019 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_TAG "GpuService"
+
+#include <graphicsenv/IGpuService.h>
+
+#include <binder/IResultReceiver.h>
+#include <binder/Parcel.h>
+
+namespace android {
+
+class BpGpuService : public BpInterface<IGpuService> {
+public:
+    explicit BpGpuService(const sp<IBinder>& impl) : BpInterface<IGpuService>(impl) {}
+
+    virtual void setGpuStats(const std::string driverPackageName,
+                             const std::string driverVersionName, const uint64_t driverVersionCode,
+                             const std::string appPackageName) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IGpuService::getInterfaceDescriptor());
+
+        data.writeUtf8AsUtf16(driverPackageName);
+        data.writeUtf8AsUtf16(driverVersionName);
+        data.writeUint64(driverVersionCode);
+        data.writeUtf8AsUtf16(appPackageName);
+
+        remote()->transact(BnGpuService::SET_GPU_STATS, data, &reply);
+    }
+};
+
+IMPLEMENT_META_INTERFACE(GpuService, "android.graphicsenv.IGpuService");
+
+status_t BnGpuService::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
+                                  uint32_t flags) {
+    ALOGV("onTransact code[0x%X]", code);
+
+    status_t status;
+    switch (code) {
+        case SET_GPU_STATS: {
+            CHECK_INTERFACE(IGpuService, data, reply);
+
+            std::string driverPackageName;
+            if ((status = data.readUtf8FromUtf16(&driverPackageName)) != OK) return status;
+
+            std::string driverVersionName;
+            if ((status = data.readUtf8FromUtf16(&driverVersionName)) != OK) return status;
+
+            uint64_t driverVersionCode;
+            if ((status = data.readUint64(&driverVersionCode)) != OK) return status;
+
+            std::string appPackageName;
+            if ((status = data.readUtf8FromUtf16(&appPackageName)) != OK) return status;
+
+            setGpuStats(driverPackageName, driverVersionName, driverVersionCode, appPackageName);
+
+            return OK;
+        }
+        case SHELL_COMMAND_TRANSACTION: {
+            int in = data.readFileDescriptor();
+            int out = data.readFileDescriptor();
+            int err = data.readFileDescriptor();
+
+            std::vector<String16> args;
+            data.readString16Vector(&args);
+
+            sp<IBinder> unusedCallback;
+            if ((status = data.readNullableStrongBinder(&unusedCallback)) != OK) return status;
+
+            sp<IResultReceiver> resultReceiver;
+            if ((status = data.readNullableStrongBinder(&resultReceiver)) != OK) return status;
+
+            status = shellCommand(in, out, err, args);
+            if (resultReceiver != nullptr) resultReceiver->send(status);
+
+            return OK;
+        }
+        default:
+            return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
+} // namespace android
diff --git a/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h b/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h
index a247bec..d4edfa0 100644
--- a/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h
+++ b/libs/graphicsenv/include/graphicsenv/GraphicsEnv.h
@@ -49,6 +49,7 @@
     android_namespace_t* getDriverNamespace();
     void setGpuStats(const std::string driverPackageName, const std::string driverVersionName,
                      const uint64_t versionCode, const std::string appPackageName);
+    void sendGpuStats();
 
     bool shouldUseAngle(std::string appName);
     bool shouldUseAngle();
diff --git a/libs/graphicsenv/include/graphicsenv/IGpuService.h b/libs/graphicsenv/include/graphicsenv/IGpuService.h
new file mode 100644
index 0000000..c080c53
--- /dev/null
+++ b/libs/graphicsenv/include/graphicsenv/IGpuService.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2019 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.
+ */
+
+#pragma once
+
+#include <binder/IInterface.h>
+#include <cutils/compiler.h>
+
+#include <vector>
+
+namespace android {
+
+/*
+ * This class defines the Binder IPC interface for GPU-related queries and
+ * control.
+ */
+class IGpuService : public IInterface {
+public:
+    DECLARE_META_INTERFACE(GpuService);
+
+    // set GPU stats from GraphicsEnvironment.
+    virtual void setGpuStats(const std::string driverPackageName,
+                             const std::string driverVersionName, const uint64_t driverVersionCode,
+                             const std::string appPackageName) = 0;
+};
+
+class BnGpuService : public BnInterface<IGpuService> {
+public:
+    enum IGpuServiceTag {
+        SET_GPU_STATS = IBinder::FIRST_CALL_TRANSACTION,
+        // Always append new enum to the end.
+    };
+
+    status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply,
+                        uint32_t flags = 0) override;
+
+protected:
+    virtual status_t shellCommand(int in, int out, int err, std::vector<String16>& args) = 0;
+};
+
+} // namespace android