Revert "Implement dumpsys for BufferHubBinderService"

This reverts commit 5c97aa1a4fce21b9e85dfd8091063e4bf0769aef.

Reason for revert: Breaking PDX bufferhubd

Change-Id: I98d1e81a0663d537d325177dbe139c1e97ccb8c8
diff --git a/services/vr/bufferhubd/buffer_hub_binder.cpp b/services/vr/bufferhubd/buffer_hub_binder.cpp
index 4ff9890..def15f1 100644
--- a/services/vr/bufferhubd/buffer_hub_binder.cpp
+++ b/services/vr/bufferhubd/buffer_hub_binder.cpp
@@ -1,58 +1,28 @@
 #include <stdio.h>
 
-#include <binder/IServiceManager.h>
-#include <binder/IPCThreadState.h>
-#include <binder/ProcessState.h>
 #include <log/log.h>
 #include <private/dvr/buffer_hub_binder.h>
 
 namespace android {
 namespace dvr {
 
-status_t BufferHubBinderService::start(
-    const std::shared_ptr<BufferHubService> &pdx_service) {
+status_t BufferHubBinderService::start() {
+  ProcessState::self()->startThreadPool();
   IPCThreadState::self()->disableBackgroundScheduling(true);
-
-  BufferHubBinderService* service = new BufferHubBinderService();
-  service->pdx_service_ = pdx_service;
-
-  // Not using BinderService::publish because need to get an instance of this
-  // class (above). Following code is the same as
-  // BinderService::publishAndJoinThreadPool
-  sp<IServiceManager> sm = defaultServiceManager();
-  status_t result = sm->addService(String16(getServiceName()), service,
-      /*allowIsolated =*/ false,
-      /*dump flags =*/ IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT);
-  if (result != NO_ERROR) {
+  status_t result = BinderService<BufferHubBinderService>::publish();
+  if (result != OK) {
     ALOGE("Publishing bufferhubd failed with error %d", result);
     return result;
   }
 
-  sp<ProcessState> process_self(ProcessState::self());
-  process_self->startThreadPool();
-  process_self->giveThreadPoolName();
-  IPCThreadState::self()->joinThreadPool();
-
   return result;
 }
 
-status_t BufferHubBinderService::dump(int fd, const Vector<String16> &args) {
+status_t BufferHubBinderService::dump(int fd, const Vector<String16> & /* args */) {
+  // TODO(b/115435506): not implemented yet
   FILE *out = fdopen(dup(fd), "w");
 
-  // Currently not supporting args, so notify the user.
-  if (!args.isEmpty()){
-    fprintf(out, "Note: dumpsys bufferhubd currently does not support args."
-        "Input arguments are ignored.\n");
-  }
-
-  // TODO(b/116526156): output real data in this class once we have it
-  if (pdx_service_){
-    // BufferHubService::Dumpstate(size_t) is not actually using the param
-    // So just using 0 as the length
-    fprintf(out, "%s", pdx_service_->DumpState(0).c_str());
-  } else {
-    fprintf(out, "PDX service not registered or died.\n");
-  }
+  fprintf(out, "BufferHubBinderService::dump(): Not Implemented.\n");
 
   fclose(out);
   return NO_ERROR;
@@ -60,4 +30,4 @@
 
 
 }  // namespace dvr
-}  // namespace android
+}  // namespace android
\ No newline at end of file
diff --git a/services/vr/bufferhubd/bufferhubd.cpp b/services/vr/bufferhubd/bufferhubd.cpp
index 3e10b26..0ca7edc 100644
--- a/services/vr/bufferhubd/bufferhubd.cpp
+++ b/services/vr/bufferhubd/bufferhubd.cpp
@@ -10,7 +10,7 @@
 
 int main(int, char**) {
   int ret = -1;
-  std::shared_ptr<android::dvr::BufferHubService> pdx_service;
+  std::shared_ptr<android::pdx::Service> service;
   std::unique_ptr<android::pdx::ServiceDispatcher> dispatcher;
 
   // We need to be able to create endpoints with full perms.
@@ -33,16 +33,15 @@
   else
     ALOGI("New nofile limit is %llu/%llu.", rlim.rlim_cur, rlim.rlim_max);
 
+  CHECK_ERROR(android::dvr::BufferHubBinderService::start() != android::OK,
+              error, "Failed to create bufferhub binder service\n");
+
   dispatcher = android::pdx::ServiceDispatcher::Create();
   CHECK_ERROR(!dispatcher, error, "Failed to create service dispatcher\n");
 
-  pdx_service = android::dvr::BufferHubService::Create();
-  CHECK_ERROR(!pdx_service, error, "Failed to create bufferhub pdx service\n");
-  dispatcher->AddService(pdx_service);
-
-  ret = android::dvr::BufferHubBinderService::start(pdx_service);
-  CHECK_ERROR(ret != android::NO_ERROR, error,
-              "Failed to create bufferhub binder service\n");
+  service = android::dvr::BufferHubService::Create();
+  CHECK_ERROR(!service, error, "Failed to create bufferhubd service\n");
+  dispatcher->AddService(service);
 
   ret = dvrSetSchedulerClass(0, "graphics");
   CHECK_ERROR(ret < 0, error, "Failed to set thread priority");
diff --git a/services/vr/bufferhubd/include/private/dvr/buffer_hub_binder.h b/services/vr/bufferhubd/include/private/dvr/buffer_hub_binder.h
index 07f05cc..c0281fd 100644
--- a/services/vr/bufferhubd/include/private/dvr/buffer_hub_binder.h
+++ b/services/vr/bufferhubd/include/private/dvr/buffer_hub_binder.h
@@ -2,7 +2,6 @@
 #define ANDROID_DVR_BUFFER_HUB_BINDER_H
 
 #include <binder/BinderService.h>
-#include <private/dvr/buffer_hub.h>
 
 #include "android/dvr/BnBufferHub.h"
 
@@ -11,17 +10,14 @@
 
 class BufferHubBinderService : public BinderService<BufferHubBinderService>, public BnBufferHub {
  public:
-  static status_t start(const std::shared_ptr<BufferHubService> &pdx_service);
+  static status_t start();
   static const char* getServiceName() { return "bufferhubd"; }
   // Dump bufferhub related information to given fd (usually stdout)
   // usage: adb shell dumpsys bufferhubd
   virtual status_t dump(int fd, const Vector<String16> &args) override;
-
- private:
-  std::shared_ptr<BufferHubService> pdx_service_;
 };
 
 }  // namespace dvr
 }  // namespace android
 
-#endif // ANDROID_DVR_BUFFER_HUB_BINDER_H
+#endif // ANDROID_DVR_BUFFER_HUB_BINDER_H
\ No newline at end of file
diff --git a/services/vr/bufferhubd/tests/Android.bp b/services/vr/bufferhubd/tests/Android.bp
index 92bda78..4d1d43f 100644
--- a/services/vr/bufferhubd/tests/Android.bp
+++ b/services/vr/bufferhubd/tests/Android.bp
@@ -6,18 +6,11 @@
         "-DTRACE=0",
         "-DATRACE_TAG=ATRACE_TAG_GRAPHICS",
     ],
-    header_libs: ["libdvr_headers"],
-    static_libs: [
-        "libbufferhub",
-        "libbufferhubd",
-        "libgmock",
-    ],
+    static_libs: ["libbufferhubd"],
     shared_libs: [
         "libbase",
         "libbinder",
         "liblog",
-        "libpdx_default_transport",
-        "libui",
         "libutils",
     ],
 }
\ No newline at end of file
diff --git a/services/vr/bufferhubd/tests/buffer_hub_binder_service-test.cpp b/services/vr/bufferhubd/tests/buffer_hub_binder_service-test.cpp
index 0b64cf0..e3f2825 100644
--- a/services/vr/bufferhubd/tests/buffer_hub_binder_service-test.cpp
+++ b/services/vr/bufferhubd/tests/buffer_hub_binder_service-test.cpp
@@ -1,8 +1,7 @@
-#include <binder/IServiceManager.h>
-#include <gmock/gmock.h>
-#include <gtest/gtest.h>
 #include <private/dvr/buffer_hub_binder.h>
 
+#include <gtest/gtest.h>
+
 namespace android {
 namespace dvr {
 
@@ -13,12 +12,8 @@
 };
 
 TEST_F(BufferHubBinderServiceTest, TestInitialize) {
-  // Create a new service will kill the current one.
-  // So just check if Binder service is running
-  sp<IServiceManager> sm = defaultServiceManager();
-  sp<IBinder> service = sm->checkService(
-      String16(BufferHubBinderService::getServiceName()));
-  EXPECT_THAT(service, ::testing::Ne(nullptr));
+  // Test if start binder server returns OK
+  EXPECT_EQ(BufferHubBinderService::start(), OK);
 }
 
 }  // namespace