android.os.HwBinder.getService() in Java respects VINTF. (0382be2f) · Commits · e / os / android_frameworks_base

core/jni/Android.mk

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -273,6 +273,7 @@ LOCAL_SHARED_LIBRARIES := \
	libhidlbase \		libhidlbase \
	libhidltransport \		libhidltransport \
	libhwbinder \		libhwbinder \
			libvintf \

	LOCAL_SHARED_LIBRARIES += \		LOCAL_SHARED_LIBRARIES += \
	libhwui \		libhwui \

core/jni/android_os_HwBinder.cpp

+27 −10

Original line number	Original line	Diff line number	Diff line
	@@ -33,6 +33,7 @@
	#include <hidl/HidlTransportSupport.h>		#include <hidl/HidlTransportSupport.h>
	#include <hwbinder/ProcessState.h>		#include <hwbinder/ProcessState.h>
	#include <nativehelper/ScopedLocalRef.h>		#include <nativehelper/ScopedLocalRef.h>
			#include <vintf/parse_string.h>

	#include "core_jni_helpers.h"		#include "core_jni_helpers.h"

	@@ -293,6 +294,8 @@ static jobject JHwBinder_native_getService(
	jstring ifaceNameObj,		jstring ifaceNameObj,
	jstring serviceNameObj) {		jstring serviceNameObj) {

			using ::android::vintf::operator<<;

	if (ifaceNameObj == NULL) {		if (ifaceNameObj == NULL) {
	jniThrowException(env, "java/lang/NullPointerException", NULL);		jniThrowException(env, "java/lang/NullPointerException", NULL);
	return NULL;		return NULL;
	@@ -310,27 +313,41 @@ static jobject JHwBinder_native_getService(
	return NULL;		return NULL;
	}		}

	const char *ifaceName = env->GetStringUTFChars(ifaceNameObj, NULL);		const char *ifaceNameCStr = env->GetStringUTFChars(ifaceNameObj, NULL);
	if (ifaceName == NULL) {		if (ifaceNameCStr == NULL) {
	return NULL; // XXX exception already pending?		return NULL; // XXX exception already pending?
	}		}
	const char *serviceName = env->GetStringUTFChars(serviceNameObj, NULL);		std::string ifaceName(ifaceNameCStr);
	if (serviceName == NULL) {		env->ReleaseStringUTFChars(ifaceNameObj, ifaceNameCStr);
	env->ReleaseStringUTFChars(ifaceNameObj, ifaceName);		::android::hardware::hidl_string ifaceNameHStr;
			ifaceNameHStr.setToExternal(ifaceName.c_str(), ifaceName.size());

			const char *serviceNameCStr = env->GetStringUTFChars(serviceNameObj, NULL);
			if (serviceNameCStr == NULL) {
	return NULL; // XXX exception already pending?		return NULL; // XXX exception already pending?
	}		}
			std::string serviceName(serviceNameCStr);
			env->ReleaseStringUTFChars(serviceNameObj, serviceNameCStr);
			::android::hardware::hidl_string serviceNameHStr;
			serviceNameHStr.setToExternal(serviceName.c_str(), serviceName.size());

	LOG(INFO) << "Looking for service "		LOG(INFO) << "Looking for service "
	<< ifaceName		<< ifaceName
	<< "/"		<< "/"
	<< serviceName;		<< serviceName;

	Return<sp<hidl::base::V1_0::IBase>> ret = manager->get(ifaceName, serviceName);		::android::vintf::Transport transport =
			::android::hardware::getTransport(ifaceName);
			if ( transport != ::android::vintf::Transport::EMPTY
			&& transport != ::android::vintf::Transport::HWBINDER) {
			LOG(ERROR) << "service " << ifaceName << " declares transport method "
			<< transport << " but framework expects "
			<< ::android::vintf::Transport::HWBINDER;
			signalExceptionForError(env, UNKNOWN_ERROR, true /* canThrowRemoteException */);
			return NULL;
			}

	env->ReleaseStringUTFChars(ifaceNameObj, ifaceName);		Return<sp<hidl::base::V1_0::IBase>> ret = manager->get(ifaceNameHStr, serviceNameHStr);
	ifaceName = NULL;
	env->ReleaseStringUTFChars(serviceNameObj, serviceName);
	serviceName = NULL;

	if (!ret.isOk()) {		if (!ret.isOk()) {
	signalExceptionForError(env, UNKNOWN_ERROR, true /* canThrowRemoteException */);		signalExceptionForError(env, UNKNOWN_ERROR, true /* canThrowRemoteException */);