Initial Contribution

1 files changed, 174 insertions, 0 deletions

diff --git a/core/java/android/os/ServiceManagerNative.java b/core/java/android/os/ServiceManagerNative.java
new file mode 100644
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+++ b/core/java/android/os/ServiceManagerNative.java
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+/*
+ * Copyright (C) 2006 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.
+ */
+
+package android.os;
+
+
+/**
+ * Native implementation of the service manager.  Most clients will only
+ * care about getDefault() and possibly asInterface().
+ * @hide
+ */
+public abstract class ServiceManagerNative extends Binder implements IServiceManager
+{
+    /**
+     * Cast a Binder object into a service manager interface, generating
+     * a proxy if needed.
+     */
+    static public IServiceManager asInterface(IBinder obj)
+    {
+        if (obj == null) {
+            return null;
+        }
+        IServiceManager in =
+            (IServiceManager)obj.queryLocalInterface(descriptor);
+        if (in != null) {
+            return in;
+        }
+        
+        return new ServiceManagerProxy(obj);
+    }
+    
+    public ServiceManagerNative()
+    {
+        attachInterface(this, descriptor);
+    }
+    
+    public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
+    {
+        try {
+            switch (code) {
+            case IServiceManager.GET_SERVICE_TRANSACTION: {
+                data.enforceInterface(IServiceManager.descriptor);
+                String name = data.readString();
+                IBinder service = getService(name);
+                reply.writeStrongBinder(service);
+                return true;
+            }
+    
+            case IServiceManager.CHECK_SERVICE_TRANSACTION: {
+                data.enforceInterface(IServiceManager.descriptor);
+                String name = data.readString();
+                IBinder service = checkService(name);
+                reply.writeStrongBinder(service);
+                return true;
+            }
+    
+            case IServiceManager.ADD_SERVICE_TRANSACTION: {
+                data.enforceInterface(IServiceManager.descriptor);
+                String name = data.readString();
+                IBinder service = data.readStrongBinder();
+                addService(name, service);
+                return true;
+            }
+    
+            case IServiceManager.LIST_SERVICES_TRANSACTION: {
+                data.enforceInterface(IServiceManager.descriptor);
+                String[] list = listServices();
+                reply.writeStringArray(list);
+                return true;
+            }
+            
+            case IServiceManager.SET_PERMISSION_CONTROLLER_TRANSACTION: {
+                data.enforceInterface(IServiceManager.descriptor);
+                IPermissionController controller
+                        = IPermissionController.Stub.asInterface(
+                                data.readStrongBinder());
+                setPermissionController(controller);
+                return true;
+            }
+            }
+        } catch (RemoteException e) {
+        }
+        
+        return false;
+    }
+
+    public IBinder asBinder()
+    {
+        return this;
+    }
+}
+
+class ServiceManagerProxy implements IServiceManager {
+    public ServiceManagerProxy(IBinder remote) {
+        mRemote = remote;
+    }
+    
+    public IBinder asBinder() {
+        return mRemote;
+    }
+    
+    public IBinder getService(String name) throws RemoteException {
+        Parcel data = Parcel.obtain();
+        Parcel reply = Parcel.obtain();
+        data.writeInterfaceToken(IServiceManager.descriptor);
+        data.writeString(name);
+        mRemote.transact(GET_SERVICE_TRANSACTION, data, reply, 0);
+        IBinder binder = reply.readStrongBinder();
+        reply.recycle();
+        data.recycle();
+        return binder;
+    }
+
+    public IBinder checkService(String name) throws RemoteException {
+        Parcel data = Parcel.obtain();
+        Parcel reply = Parcel.obtain();
+        data.writeInterfaceToken(IServiceManager.descriptor);
+        data.writeString(name);
+        mRemote.transact(CHECK_SERVICE_TRANSACTION, data, reply, 0);
+        IBinder binder = reply.readStrongBinder();
+        reply.recycle();
+        data.recycle();
+        return binder;
+    }
+
+    public void addService(String name, IBinder service)
+            throws RemoteException {
+        Parcel data = Parcel.obtain();
+        Parcel reply = Parcel.obtain();
+        data.writeInterfaceToken(IServiceManager.descriptor);
+        data.writeString(name);
+        data.writeStrongBinder(service);
+        mRemote.transact(ADD_SERVICE_TRANSACTION, data, reply, 0);
+        reply.recycle();
+        data.recycle();
+    }
+    
+    public String[] listServices() throws RemoteException {
+        Parcel data = Parcel.obtain();
+        Parcel reply = Parcel.obtain();
+        data.writeInterfaceToken(IServiceManager.descriptor);
+        mRemote.transact(LIST_SERVICES_TRANSACTION, data, reply, 0);
+        String[] list = reply.readStringArray();
+        reply.recycle();
+        data.recycle();
+        return list;
+    }
+
+    public void setPermissionController(IPermissionController controller)
+            throws RemoteException {
+        Parcel data = Parcel.obtain();
+        Parcel reply = Parcel.obtain();
+        data.writeInterfaceToken(IServiceManager.descriptor);
+        data.writeStrongBinder(controller.asBinder());
+        mRemote.transact(SET_PERMISSION_CONTROLLER_TRANSACTION, data, reply, 0);
+        reply.recycle();
+        data.recycle();
+    }
+
+    private IBinder mRemote;
+}