Move UUID conversions into their own class

Mechanical extraction of HidlUtils::uuidFrom/ToHal into
a dedicated class UuidUtils.

Bug: 142480271
Test: m
Change-Id: Ic5333ba32dc293f32c5562d0ef05bde8e5f9b302
Merged-In: Ic5333ba32dc293f32c5562d0ef05bde8e5f9b302

audio/common/all-versions/default/Android.bp

@@ -46,6 +46,7 @@ cc_defaults {
     vendor_available: true,
     srcs: [
         "HidlUtils.cpp",
+        "UuidUtils.cpp",
     ],
 
     export_include_dirs: ["."],

audio/common/all-versions/default/HidlUtils.cpp

@@ -358,22 +358,6 @@ void HidlUtils::audioPortToHal(const AudioPort& port, struct audio_port* halPort
     }
 }
 
-void HidlUtils::uuidFromHal(const audio_uuid_t& halUuid, Uuid* uuid) {
-    uuid->timeLow = halUuid.timeLow;
-    uuid->timeMid = halUuid.timeMid;
-    uuid->versionAndTimeHigh = halUuid.timeHiAndVersion;
-    uuid->variantAndClockSeqHigh = halUuid.clockSeq;
-    memcpy(uuid->node.data(), halUuid.node, uuid->node.size());
-}
-
-void HidlUtils::uuidToHal(const Uuid& uuid, audio_uuid_t* halUuid) {
-    halUuid->timeLow = uuid.timeLow;
-    halUuid->timeMid = uuid.timeMid;
-    halUuid->timeHiAndVersion = uuid.versionAndTimeHigh;
-    halUuid->clockSeq = uuid.variantAndClockSeqHigh;
-    memcpy(halUuid->node, uuid.node.data(), uuid.node.size());
-}
-
 }  // namespace implementation
 }  // namespace CPP_VERSION
 }  // namespace common

audio/common/all-versions/default/HidlUtils.h

@@ -66,8 +66,6 @@ class HidlUtils {
             const hidl_vec<AudioPortConfig>& configs);
     static void audioPortFromHal(const struct audio_port& halPort, AudioPort* port);
     static void audioPortToHal(const AudioPort& port, struct audio_port* halPort);
-    static void uuidFromHal(const audio_uuid_t& halUuid, Uuid* uuid);
-    static void uuidToHal(const Uuid& uuid, audio_uuid_t* halUuid);
 };
 
 }  // namespace implementation

audio/common/all-versions/default/UuidUtils.cpp

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#include "UuidUtils.h"
+
+#include <common/all-versions/VersionUtils.h>
+#include <string.h>
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace common {
+namespace CPP_VERSION {
+namespace implementation {
+
+void UuidUtils::uuidFromHal(const audio_uuid_t& halUuid, Uuid* uuid) {
+    uuid->timeLow = halUuid.timeLow;
+    uuid->timeMid = halUuid.timeMid;
+    uuid->versionAndTimeHigh = halUuid.timeHiAndVersion;
+    uuid->variantAndClockSeqHigh = halUuid.clockSeq;
+    memcpy(uuid->node.data(), halUuid.node, uuid->node.size());
+}
+
+void UuidUtils::uuidToHal(const Uuid& uuid, audio_uuid_t* halUuid) {
+    halUuid->timeLow = uuid.timeLow;
+    halUuid->timeMid = uuid.timeMid;
+    halUuid->timeHiAndVersion = uuid.versionAndTimeHigh;
+    halUuid->clockSeq = uuid.variantAndClockSeqHigh;
+    memcpy(halUuid->node, uuid.node.data(), uuid.node.size());
+}
+
+}  // namespace implementation
+}  // namespace CPP_VERSION
+}  // namespace common
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android

audio/common/all-versions/default/UuidUtils.h

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#ifndef android_hardware_audio_Uuid_Utils_H_
+#define android_hardware_audio_Uuid_Utils_H_
+
+// clang-format off
+#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+// clang-format on
+
+#include <system/audio.h>
+
+using ::android::hardware::hidl_vec;
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace common {
+namespace CPP_VERSION {
+namespace implementation {
+
+using namespace ::android::hardware::audio::common::CPP_VERSION;
+
+class UuidUtils {
+  public:
+    static void uuidFromHal(const audio_uuid_t& halUuid, Uuid* uuid);
+    static void uuidToHal(const Uuid& uuid, audio_uuid_t* halUuid);
+};
+
+}  // namespace implementation
+}  // namespace CPP_VERSION
+}  // namespace common
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // android_hardware_audio_Uuid_Utils_H_

audio/effect/all-versions/default/Conversions.cpp

@@ -15,7 +15,7 @@
  */
 
 #include "Conversions.h"
-#include "HidlUtils.h"
+#include "UuidUtils.h"
 
 #include <memory.h>
 #include <stdio.h>
@@ -31,12 +31,12 @@ namespace effect {
 namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+using ::android::hardware::audio::common::CPP_VERSION::implementation::UuidUtils;
 
 void effectDescriptorFromHal(const effect_descriptor_t& halDescriptor,
                              EffectDescriptor* descriptor) {
-    HidlUtils::uuidFromHal(halDescriptor.type, &descriptor->type);
-    HidlUtils::uuidFromHal(halDescriptor.uuid, &descriptor->uuid);
+    UuidUtils::uuidFromHal(halDescriptor.type, &descriptor->type);
+    UuidUtils::uuidFromHal(halDescriptor.uuid, &descriptor->uuid);
     descriptor->flags = EnumBitfield<EffectFlags>(halDescriptor.flags);
     descriptor->cpuLoad = halDescriptor.cpuLoad;
     descriptor->memoryUsage = halDescriptor.memoryUsage;

audio/effect/all-versions/default/EffectsFactory.cpp

@@ -24,10 +24,10 @@
 #include "Effect.h"
 #include "EnvironmentalReverbEffect.h"
 #include "EqualizerEffect.h"
-#include "HidlUtils.h"
 #include "LoudnessEnhancerEffect.h"
 #include "NoiseSuppressionEffect.h"
 #include "PresetReverbEffect.h"
+#include "UuidUtils.h"
 #include "VirtualizerEffect.h"
 #include "VisualizerEffect.h"
 #include "common/all-versions/default/EffectMap.h"
@@ -53,7 +53,7 @@ namespace effect {
 namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+using ::android::hardware::audio::common::CPP_VERSION::implementation::UuidUtils;
 
 // static
 sp<IEffect> EffectsFactory::dispatchEffectInstanceCreation(const effect_descriptor_t& halDescriptor,
@@ -135,7 +135,7 @@ exit:
 
 Return<void> EffectsFactory::getDescriptor(const Uuid& uuid, getDescriptor_cb _hidl_cb) {
     effect_uuid_t halUuid;
-    HidlUtils::uuidToHal(uuid, &halUuid);
+    UuidUtils::uuidToHal(uuid, &halUuid);
     effect_descriptor_t halDescriptor;
     status_t status = EffectGetDescriptor(&halUuid, &halDescriptor);
     EffectDescriptor descriptor;
@@ -170,7 +170,7 @@ Return<void> EffectsFactory::createEffect(const Uuid& uuid, int32_t session, int
 Return<void> EffectsFactory::createEffectImpl(const Uuid& uuid, int32_t session, int32_t ioHandle,
                                               int32_t device, createEffect_cb _hidl_cb) {
     effect_uuid_t halUuid;
-    HidlUtils::uuidToHal(uuid, &halUuid);
+    UuidUtils::uuidToHal(uuid, &halUuid);
     effect_handle_t handle;
     Result retval(Result::OK);
     status_t status;