Merge "Add getConnectionInfo API to service manager" am: c2b54f6f54 am:... (571bebd0) · Commits · e / os / platform_frameworks_native

cmds/dumpsys/tests/dumpsys_test.cpp

+1 −0

Original line number	Diff line number	Diff line
		@@ -60,6 +60,7 @@ class ServiceManagerMock : public IServiceManager {
		MOCK_METHOD1(isDeclared, bool(const String16&));
		MOCK_METHOD1(getDeclaredInstances, Vector<String16>(const String16&));
		MOCK_METHOD1(updatableViaApex, std::optional<String16>(const String16&));
		MOCK_METHOD1(getConnectionInfo, std::optional<ConnectionInfo>(const String16&));
		protected:
		MOCK_METHOD0(onAsBinder, IBinder*());
		};

cmds/servicemanager/ServiceManager.cpp

+45 −0

Original line number	Diff line number	Diff line
		@@ -121,6 +121,35 @@ static std::optional<std::string> getVintfUpdatableApex(const std::string& name)
		return updatableViaApex;
		}

		static std::optional<ConnectionInfo> getVintfConnectionInfo(const std::string& name) {
		AidlName aname;
		if (!AidlName::fill(name, &aname)) return std::nullopt;

		std::optional<std::string> ip;
		std::optional<uint64_t> port;
		forEachManifest([&](const ManifestWithDescription& mwd) {
		mwd.manifest->forEachInstance([&](const auto& manifestInstance) {
		if (manifestInstance.format() != vintf::HalFormat::AIDL) return true;
		if (manifestInstance.package() != aname.package) return true;
		if (manifestInstance.interface() != aname.iface) return true;
		if (manifestInstance.instance() != aname.instance) return true;
		ip = manifestInstance.ip();
		port = manifestInstance.port();
		return false; // break (libvintf uses opposite convention)
		});
		return false; // continue
		});

		if (ip.has_value() && port.has_value()) {
		ConnectionInfo info;
		info.ipAddress = *ip;
		info.port = *port;
		return std::make_optional<ConnectionInfo>(info);
		} else {
		return std::nullopt;
		}
		}

		static std::vector<std::string> getVintfInstances(const std::string& interface) {
		size_t lastDot = interface.rfind('.');
		if (lastDot == std::string::npos) {
		@@ -437,6 +466,22 @@ Status ServiceManager::updatableViaApex(const std::string& name,
		return Status::ok();
		}

		Status ServiceManager::getConnectionInfo(const std::string& name,
		std::optional<ConnectionInfo>* outReturn) {
		auto ctx = mAccess->getCallingContext();

		if (!mAccess->canFind(ctx, name)) {
		return Status::fromExceptionCode(Status::EX_SECURITY);
		}

		*outReturn = std::nullopt;

		#ifndef VENDORSERVICEMANAGER
		*outReturn = getVintfConnectionInfo(name);
		#endif
		return Status::ok();
		}

		void ServiceManager::removeRegistrationCallback(const wp<IBinder>& who,
		ServiceCallbackMap::iterator* it,
		bool* found) {

cmds/servicemanager/ServiceManager.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@

		namespace android {

		using os::ConnectionInfo;
		using os::IClientCallback;
		using os::IServiceCallback;
		using os::ServiceDebugInfo;
		@@ -48,6 +49,8 @@ public:
		binder::Status getDeclaredInstances(const std::string& interface, std::vector<std::string>* outReturn) override;
		binder::Status updatableViaApex(const std::string& name,
		std::optional<std::string>* outReturn) override;
		binder::Status getConnectionInfo(const std::string& name,
		std::optional<ConnectionInfo>* outReturn) override;
		binder::Status registerClientCallback(const std::string& name, const sp<IBinder>& service,
		const sp<IClientCallback>& cb) override;
		binder::Status tryUnregisterService(const std::string& name, const sp<IBinder>& binder) override;

libs/binder/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -281,6 +281,7 @@ cc_library_static {
		filegroup {
		name: "libbinder_aidl",
		srcs: [
		"aidl/android/os/ConnectionInfo.aidl",
		"aidl/android/os/IClientCallback.aidl",
		"aidl/android/os/IServiceCallback.aidl",
		"aidl/android/os/IServiceManager.aidl",

libs/binder/IServiceManager.cpp

+16 −0

Original line number	Diff line number	Diff line
		@@ -78,6 +78,7 @@ public:
		bool isDeclared(const String16& name) override;
		Vector<String16> getDeclaredInstances(const String16& interface) override;
		std::optional<String16> updatableViaApex(const String16& name) override;
		std::optional<IServiceManager::ConnectionInfo> getConnectionInfo(const String16& name) override;

		// for legacy ABI
		const String16& getInterfaceDescriptor() const override {
		@@ -426,6 +427,21 @@ std::optional<String16> ServiceManagerShim::updatableViaApex(const String16& nam
		return declared ? std::optional<String16>(String16(declared.value().c_str())) : std::nullopt;
		}

		std::optional<IServiceManager::ConnectionInfo> ServiceManagerShim::getConnectionInfo(
		const String16& name) {
		std::optional<os::ConnectionInfo> connectionInfo;
		if (Status status =
		mTheRealServiceManager->getConnectionInfo(String8(name).c_str(), &connectionInfo);
		!status.isOk()) {
		ALOGW("Failed to get ConnectionInfo for %s: %s", String8(name).c_str(),
		status.toString8().c_str());
		}
		return connectionInfo.has_value()
		? std::make_optional<IServiceManager::ConnectionInfo>(
		{connectionInfo->ipAddress, static_cast<unsigned int>(connectionInfo->port)})
		: std::nullopt;
		}

		#ifndef __ANDROID__
		// ServiceManagerShim for host. Implements the old libbinder android::IServiceManager API.
		// The internal implementation of the AIDL interface android::os::IServiceManager calls into