Fix non camelCase function names

Android Framework C++ Code Style Guidelines says that function names
should be camelCase: http://go/droidcppstyle

Test: m, mma in frameworks/native
Bug: 68273829
Change-Id: I2f661c06b31b2e72cd0eee3d91b95531b60ec939
diff --git a/services/bufferhub/BufferHubService.cpp b/services/bufferhub/BufferHubService.cpp
index 6b802fb..90ac1c2 100644
--- a/services/bufferhub/BufferHubService.cpp
+++ b/services/bufferhub/BufferHubService.cpp
@@ -53,7 +53,7 @@
             std::make_shared<BufferNode>(desc.width, desc.height, desc.layers, desc.format,
                                          desc.usage, userMetadataSize,
                                          BufferHubIdGenerator::getInstance().getId());
-    if (node == nullptr || !node->IsValid()) {
+    if (node == nullptr || !node->isValid()) {
         ALOGE("%s: creating BufferNode failed.", __FUNCTION__);
         _hidl_cb(/*status=*/BufferHubStatus::ALLOCATION_FAILED, /*bufferClient=*/nullptr,
                  /*bufferTraits=*/{});
@@ -70,11 +70,11 @@
     NATIVE_HANDLE_DECLARE_STORAGE(bufferInfoStorage, BufferHubDefs::kBufferInfoNumFds,
                                   BufferHubDefs::kBufferInfoNumInts);
     hidl_handle bufferInfo =
-            buildBufferInfo(bufferInfoStorage, node->id(), node->AddNewActiveClientsBitToMask(),
-                            node->user_metadata_size(), node->metadata().ashmem_fd(),
+            buildBufferInfo(bufferInfoStorage, node->id(), node->addNewActiveClientsBitToMask(),
+                            node->userMetadataSize(), node->metadata().ashmemFd(),
                             node->eventFd().get());
     BufferTraits bufferTraits = {/*bufferDesc=*/description,
-                                 /*bufferHandle=*/hidl_handle(node->buffer_handle()),
+                                 /*bufferHandle=*/hidl_handle(node->bufferHandle()),
                                  /*bufferInfo=*/std::move(bufferInfo)};
 
     _hidl_cb(/*status=*/BufferHubStatus::NO_ERROR, /*bufferClient=*/client,
@@ -141,7 +141,7 @@
     }
 
     sp<BufferClient> client = new BufferClient(*originClient);
-    uint32_t clientStateMask = client->getBufferNode()->AddNewActiveClientsBitToMask();
+    uint32_t clientStateMask = client->getBufferNode()->addNewActiveClientsBitToMask();
     if (clientStateMask == 0U) {
         // Reach max client count
         ALOGE("%s: import failed, BufferNode#%u reached maximum clients.", __FUNCTION__,
@@ -157,17 +157,17 @@
     std::shared_ptr<BufferNode> node = client->getBufferNode();
 
     HardwareBufferDescription bufferDesc;
-    memcpy(&bufferDesc, &node->buffer_desc(), sizeof(HardwareBufferDescription));
+    memcpy(&bufferDesc, &node->bufferDesc(), sizeof(HardwareBufferDescription));
 
     // Allocate memory for bufferInfo of type hidl_handle on the stack. See
     // http://aosp/286282 for the usage of NATIVE_HANDLE_DECLARE_STORAGE.
     NATIVE_HANDLE_DECLARE_STORAGE(bufferInfoStorage, BufferHubDefs::kBufferInfoNumFds,
                                   BufferHubDefs::kBufferInfoNumInts);
     hidl_handle bufferInfo = buildBufferInfo(bufferInfoStorage, node->id(), clientStateMask,
-                                             node->user_metadata_size(),
-                                             node->metadata().ashmem_fd(), node->eventFd().get());
+                                             node->userMetadataSize(), node->metadata().ashmemFd(),
+                                             node->eventFd().get());
     BufferTraits bufferTraits = {/*bufferDesc=*/bufferDesc,
-                                 /*bufferHandle=*/hidl_handle(node->buffer_handle()),
+                                 /*bufferHandle=*/hidl_handle(node->bufferHandle()),
                                  /*bufferInfo=*/std::move(bufferInfo)};
 
     _hidl_cb(/*status=*/BufferHubStatus::NO_ERROR, /*bufferClient=*/client,
@@ -231,10 +231,10 @@
     for (auto iter = clientCount.begin(); iter != clientCount.end(); ++iter) {
         const std::shared_ptr<BufferNode> node = std::move(iter->second.first);
         const uint32_t clientCount = iter->second.second;
-        AHardwareBuffer_Desc desc = node->buffer_desc();
+        AHardwareBuffer_Desc desc = node->bufferDesc();
 
         MetadataHeader* metadataHeader =
-                const_cast<BufferHubMetadata*>(&node->metadata())->metadata_header();
+                const_cast<BufferHubMetadata*>(&node->metadata())->metadataHeader();
         const uint32_t state = metadataHeader->buffer_state.load(std::memory_order_acquire);
         const uint64_t index = metadataHeader->queue_index;
 
diff --git a/services/bufferhub/BufferNode.cpp b/services/bufferhub/BufferNode.cpp
index dfa2de0..4f877b2 100644
--- a/services/bufferhub/BufferNode.cpp
+++ b/services/bufferhub/BufferNode.cpp
@@ -11,10 +11,10 @@
 namespace V1_0 {
 namespace implementation {
 
-void BufferNode::InitializeMetadata() {
+void BufferNode::initializeMetadata() {
     // Using placement new here to reuse shared memory instead of new allocation
     // Initialize the atomic variables to zero.
-    BufferHubDefs::MetadataHeader* metadataHeader = mMetadata.metadata_header();
+    BufferHubDefs::MetadataHeader* metadataHeader = mMetadata.metadataHeader();
     mBufferState = new (&metadataHeader->buffer_state) std::atomic<uint32_t>(0);
     mFenceState = new (&metadataHeader->fence_state) std::atomic<uint32_t>(0);
     mActiveClientsBitMask = new (&metadataHeader->active_clients_bit_mask) std::atomic<uint32_t>(0);
@@ -54,12 +54,12 @@
     mBufferDesc.usage = usage;
     mBufferDesc.stride = out_stride;
 
-    mMetadata = BufferHubMetadata::Create(user_metadata_size);
-    if (!mMetadata.IsValid()) {
+    mMetadata = BufferHubMetadata::create(user_metadata_size);
+    if (!mMetadata.isValid()) {
         ALOGE("%s: Failed to allocate metadata.", __FUNCTION__);
         return;
     }
-    InitializeMetadata();
+    initializeMetadata();
 }
 
 BufferNode::~BufferNode() {
@@ -77,17 +77,17 @@
     }
 }
 
-uint32_t BufferNode::GetActiveClientsBitMask() const {
+uint32_t BufferNode::getActiveClientsBitMask() const {
     return mActiveClientsBitMask->load(std::memory_order_acquire);
 }
 
-uint32_t BufferNode::AddNewActiveClientsBitToMask() {
-    uint32_t currentActiveClientsBitMask = GetActiveClientsBitMask();
+uint32_t BufferNode::addNewActiveClientsBitToMask() {
+    uint32_t currentActiveClientsBitMask = getActiveClientsBitMask();
     uint32_t client_state_mask = 0U;
     uint32_t updatedActiveClientsBitMask = 0U;
     do {
         client_state_mask =
-                BufferHubDefs::FindNextAvailableClientStateMask(currentActiveClientsBitMask);
+                BufferHubDefs::findNextAvailableClientStateMask(currentActiveClientsBitMask);
         if (client_state_mask == 0U) {
             ALOGE("%s: reached the maximum number of channels per buffer node: %d.", __FUNCTION__,
                   BufferHubDefs::kMaxNumberOfClients);
@@ -102,7 +102,7 @@
     return client_state_mask;
 }
 
-void BufferNode::RemoveClientsBitFromMask(const uint32_t& value) {
+void BufferNode::removeClientsBitFromMask(const uint32_t& value) {
     mActiveClientsBitMask->fetch_and(~value);
 }
 
diff --git a/services/bufferhub/include/bufferhub/BufferNode.h b/services/bufferhub/include/bufferhub/BufferNode.h
index 112a21c..04970fd 100644
--- a/services/bufferhub/include/bufferhub/BufferNode.h
+++ b/services/bufferhub/include/bufferhub/BufferNode.h
@@ -22,15 +22,15 @@
     ~BufferNode();
 
     // Returns whether the object holds a valid metadata.
-    bool IsValid() const { return mMetadata.IsValid(); }
+    bool isValid() const { return mMetadata.isValid(); }
 
     int id() const { return mId; }
 
-    size_t user_metadata_size() const { return mMetadata.user_metadata_size(); }
+    size_t userMetadataSize() const { return mMetadata.userMetadataSize(); }
 
     // Accessors of the buffer description and handle
-    const native_handle_t* buffer_handle() const { return mBufferHandle; }
-    const AHardwareBuffer_Desc& buffer_desc() const { return mBufferDesc; }
+    const native_handle_t* bufferHandle() const { return mBufferHandle; }
+    const AHardwareBuffer_Desc& bufferDesc() const { return mBufferDesc; }
 
     // Accessor of event fd.
     const BufferHubEventFd& eventFd() const { return mEventFd; }
@@ -41,24 +41,24 @@
     // Gets the current value of mActiveClientsBitMask in mMetadata with
     // std::memory_order_acquire, so that all previous releases of
     // mActiveClientsBitMask from all threads will be returned here.
-    uint32_t GetActiveClientsBitMask() const;
+    uint32_t getActiveClientsBitMask() const;
 
     // Find and add a new client state mask to mActiveClientsBitMask in
     // mMetadata.
     // Return the new client state mask that is added to mActiveClientsBitMask.
     // Return 0U if there are already 16 clients of the buffer.
-    uint32_t AddNewActiveClientsBitToMask();
+    uint32_t addNewActiveClientsBitToMask();
 
     // Removes the value from active_clients_bit_mask in mMetadata with
     // std::memory_order_release, so that the change will be visible to any
     // acquire of mActiveClientsBitMask in any threads after the succeed of
     // this operation.
-    void RemoveClientsBitFromMask(const uint32_t& value);
+    void removeClientsBitFromMask(const uint32_t& value);
 
 private:
     // Helper method for constructors to initialize atomic metadata header
     // variables in shared memory.
-    void InitializeMetadata();
+    void initializeMetadata();
 
     // Gralloc buffer handles.
     native_handle_t* mBufferHandle;
diff --git a/services/bufferhub/tests/BufferNode_test.cpp b/services/bufferhub/tests/BufferNode_test.cpp
index ccb1197..b9f1c81 100644
--- a/services/bufferhub/tests/BufferNode_test.cpp
+++ b/services/bufferhub/tests/BufferNode_test.cpp
@@ -28,7 +28,7 @@
     void SetUp() override {
         buffer_node =
                 new BufferNode(kWidth, kHeight, kLayerCount, kFormat, kUsage, kUserMetadataSize);
-        ASSERT_TRUE(buffer_node->IsValid());
+        ASSERT_TRUE(buffer_node->isValid());
     }
 
     void TearDown() override {
@@ -41,65 +41,64 @@
 };
 
 TEST_F(BufferNodeTest, TestCreateBufferNode) {
-    EXPECT_EQ(buffer_node->user_metadata_size(), kUserMetadataSize);
+    EXPECT_EQ(buffer_node->userMetadataSize(), kUserMetadataSize);
     // Test the handle just allocated is good (i.e. able to be imported)
     GraphicBufferMapper& mapper = GraphicBufferMapper::get();
     const native_handle_t* outHandle;
     status_t ret =
-            mapper.importBuffer(buffer_node->buffer_handle(), buffer_node->buffer_desc().width,
-                                buffer_node->buffer_desc().height,
-                                buffer_node->buffer_desc().layers,
-                                buffer_node->buffer_desc().format, buffer_node->buffer_desc().usage,
-                                buffer_node->buffer_desc().stride, &outHandle);
+            mapper.importBuffer(buffer_node->bufferHandle(), buffer_node->bufferDesc().width,
+                                buffer_node->bufferDesc().height, buffer_node->bufferDesc().layers,
+                                buffer_node->bufferDesc().format, buffer_node->bufferDesc().usage,
+                                buffer_node->bufferDesc().stride, &outHandle);
     EXPECT_EQ(ret, OK);
     EXPECT_THAT(outHandle, NotNull());
 }
 
-TEST_F(BufferNodeTest, TestAddNewActiveClientsBitToMask_twoNewClients) {
-    uint32_t new_client_state_mask_1 = buffer_node->AddNewActiveClientsBitToMask();
-    EXPECT_EQ(buffer_node->GetActiveClientsBitMask(), new_client_state_mask_1);
+TEST_F(BufferNodeTest, TestaddNewActiveClientsBitToMask_twoNewClients) {
+    uint32_t new_client_state_mask_1 = buffer_node->addNewActiveClientsBitToMask();
+    EXPECT_EQ(buffer_node->getActiveClientsBitMask(), new_client_state_mask_1);
 
     // Request and add a new client_state_mask again.
     // Active clients bit mask should be the union of the two new
     // client_state_masks.
-    uint32_t new_client_state_mask_2 = buffer_node->AddNewActiveClientsBitToMask();
-    EXPECT_EQ(buffer_node->GetActiveClientsBitMask(),
+    uint32_t new_client_state_mask_2 = buffer_node->addNewActiveClientsBitToMask();
+    EXPECT_EQ(buffer_node->getActiveClientsBitMask(),
               new_client_state_mask_1 | new_client_state_mask_2);
 }
 
-TEST_F(BufferNodeTest, TestAddNewActiveClientsBitToMask_32NewClients) {
+TEST_F(BufferNodeTest, TestaddNewActiveClientsBitToMask_32NewClients) {
     uint32_t new_client_state_mask = 0U;
     uint32_t current_mask = 0U;
     uint32_t expected_mask = 0U;
 
     for (int i = 0; i < BufferHubDefs::kMaxNumberOfClients; ++i) {
-        new_client_state_mask = buffer_node->AddNewActiveClientsBitToMask();
+        new_client_state_mask = buffer_node->addNewActiveClientsBitToMask();
         EXPECT_NE(new_client_state_mask, 0U);
         EXPECT_FALSE(new_client_state_mask & current_mask);
         expected_mask = current_mask | new_client_state_mask;
-        current_mask = buffer_node->GetActiveClientsBitMask();
+        current_mask = buffer_node->getActiveClientsBitMask();
         EXPECT_EQ(current_mask, expected_mask);
     }
 
     // Method should fail upon requesting for more than maximum allowable clients.
-    new_client_state_mask = buffer_node->AddNewActiveClientsBitToMask();
+    new_client_state_mask = buffer_node->addNewActiveClientsBitToMask();
     EXPECT_EQ(new_client_state_mask, 0U);
     EXPECT_EQ(errno, E2BIG);
 }
 
 TEST_F(BufferNodeTest, TestRemoveActiveClientsBitFromMask) {
-    buffer_node->AddNewActiveClientsBitToMask();
-    uint32_t current_mask = buffer_node->GetActiveClientsBitMask();
-    uint32_t new_client_state_mask = buffer_node->AddNewActiveClientsBitToMask();
-    EXPECT_NE(buffer_node->GetActiveClientsBitMask(), current_mask);
+    buffer_node->addNewActiveClientsBitToMask();
+    uint32_t current_mask = buffer_node->getActiveClientsBitMask();
+    uint32_t new_client_state_mask = buffer_node->addNewActiveClientsBitToMask();
+    EXPECT_NE(buffer_node->getActiveClientsBitMask(), current_mask);
 
-    buffer_node->RemoveClientsBitFromMask(new_client_state_mask);
-    EXPECT_EQ(buffer_node->GetActiveClientsBitMask(), current_mask);
+    buffer_node->removeClientsBitFromMask(new_client_state_mask);
+    EXPECT_EQ(buffer_node->getActiveClientsBitMask(), current_mask);
 
     // Remove the test_mask again to the active client bit mask should not modify
     // the value of active clients bit mask.
-    buffer_node->RemoveClientsBitFromMask(new_client_state_mask);
-    EXPECT_EQ(buffer_node->GetActiveClientsBitMask(), current_mask);
+    buffer_node->removeClientsBitFromMask(new_client_state_mask);
+    EXPECT_EQ(buffer_node->getActiveClientsBitMask(), current_mask);
 }
 
 } // namespace