Add C++ library for ConnectivityManager

Add C++ library for access to ConnectivityManager's markSocketAsUser.

Change-Id: Icb9faa5be8c11d10e5c4a3bf95d338319449399c

services/connectivitymanager/Android.mk

@@ -0,0 +1,13 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= ConnectivityManager.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+	libcutils \
+	libutils \
+	libbinder
+
+LOCAL_MODULE:= libconnectivitymanager
+
+include $(BUILD_SHARED_LIBRARY)

services/connectivitymanager/ConnectivityManager.cpp

@@ -0,0 +1,51 @@
+/**
+ * Copyright (c) 2013, 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 <sys/types.h>
+
+#include <utils/Singleton.h>
+
+#include <binder/BinderService.h>
+#include <binder/Parcel.h>
+
+#include "ConnectivityManager.h"
+
+namespace android {
+
+ConnectivityManager::ConnectivityManager() {
+    const sp<IServiceManager> sm(defaultServiceManager());
+    if (sm != NULL) {
+        const String16 name("connectivity");
+        mConnectivityService = sm->getService(name);
+    }
+}
+
+void ConnectivityManager::markSocketAsUserImpl(int fd, uid_t uid) {
+    Parcel data, reply;
+    data.writeInterfaceToken(DESCRIPTOR);
+    // parcelable objects are preceded by a 1 if not null in aidl generated code.
+    // Play nice with the generated Java
+    data.writeInt32(1);
+    data.writeFileDescriptor(fd);
+    data.writeInt32(uid);
+    mConnectivityService->transact(TRANSACTION_markSocketAsUser, data, &reply, 0);
+}
+
+const String16 ConnectivityManager::DESCRIPTOR("android.net.IConnectivityManager");
+
+ANDROID_SINGLETON_STATIC_INSTANCE(ConnectivityManager)
+
+};

services/connectivitymanager/ConnectivityManager.h

@@ -0,0 +1,42 @@
+/**
+ * Copyright (c) 2013, 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 <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Singleton.h>
+
+namespace android {
+
+class ConnectivityManager : public Singleton<ConnectivityManager> {
+    // Keep this in sync with IConnectivityManager.aidl
+    static const int TRANSACTION_markSocketAsUser = IBinder::FIRST_CALL_TRANSACTION;
+    static const String16 DESCRIPTOR;
+
+    friend class Singleton<ConnectivityManager>;
+    sp<IBinder> mConnectivityService;
+
+    ConnectivityManager();
+
+    void markSocketAsUserImpl(int fd, uid_t uid);
+
+public:
+    static void markSocketAsUser(int fd, uid_t uid) {
+        ConnectivityManager::getInstance().markSocketAsUserImpl(fd, uid);
+    }
+};
+
+};