You can not select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
			
				
					125 lines
				
				4.1 KiB
			
		
		
			
		
	
	
					125 lines
				
				4.1 KiB
			| 
											4 years ago
										 | /*
 | ||
|  |  * Copyright (C) 2005 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_BPBINDER_H
 | ||
|  | #define ANDROID_BPBINDER_H
 | ||
|  | 
 | ||
|  | #include <binder/IBinder.h>
 | ||
|  | #include <utils/KeyedVector.h>
 | ||
|  | #include <utils/threads.h>
 | ||
|  | 
 | ||
|  | // ---------------------------------------------------------------------------
 | ||
|  | namespace android {
 | ||
|  | 
 | ||
|  | class BpBinder : public IBinder
 | ||
|  | {
 | ||
|  | public:
 | ||
|  |                         BpBinder(int32_t handle);
 | ||
|  | 
 | ||
|  |     inline  int32_t     handle() const { return mHandle; }
 | ||
|  | 
 | ||
|  |     virtual const String16&    getInterfaceDescriptor() const;
 | ||
|  |     virtual bool        isBinderAlive() const;
 | ||
|  |     virtual status_t    pingBinder();
 | ||
|  |     virtual status_t    dump(int fd, const Vector<String16>& args);
 | ||
|  | 
 | ||
|  |     virtual status_t    transact(   uint32_t code,
 | ||
|  |                                     const Parcel& data,
 | ||
|  |                                     Parcel* reply,
 | ||
|  |                                     uint32_t flags = 0);
 | ||
|  | 
 | ||
|  |     virtual status_t    linkToDeath(const sp<DeathRecipient>& recipient,
 | ||
|  |                                     void* cookie = NULL,
 | ||
|  |                                     uint32_t flags = 0);
 | ||
|  |     virtual status_t    unlinkToDeath(  const wp<DeathRecipient>& recipient,
 | ||
|  |                                         void* cookie = NULL,
 | ||
|  |                                         uint32_t flags = 0,
 | ||
|  |                                         wp<DeathRecipient>* outRecipient = NULL);
 | ||
|  | 
 | ||
|  |     virtual void        attachObject(   const void* objectID,
 | ||
|  |                                         void* object,
 | ||
|  |                                         void* cleanupCookie,
 | ||
|  |                                         object_cleanup_func func);
 | ||
|  |     virtual void*       findObject(const void* objectID) const;
 | ||
|  |     virtual void        detachObject(const void* objectID);
 | ||
|  | 
 | ||
|  |     virtual BpBinder*   remoteBinder();
 | ||
|  | 
 | ||
|  |             status_t    setConstantData(const void* data, size_t size);
 | ||
|  |             void        sendObituary();
 | ||
|  | 
 | ||
|  |     class ObjectManager
 | ||
|  |     {
 | ||
|  |     public:
 | ||
|  |                     ObjectManager();
 | ||
|  |                     ~ObjectManager();
 | ||
|  | 
 | ||
|  |         void        attach( const void* objectID,
 | ||
|  |                             void* object,
 | ||
|  |                             void* cleanupCookie,
 | ||
|  |                             IBinder::object_cleanup_func func);
 | ||
|  |         void*       find(const void* objectID) const;
 | ||
|  |         void        detach(const void* objectID);
 | ||
|  | 
 | ||
|  |         void        kill();
 | ||
|  | 
 | ||
|  |     private:
 | ||
|  |                     ObjectManager(const ObjectManager&);
 | ||
|  |         ObjectManager& operator=(const ObjectManager&);
 | ||
|  | 
 | ||
|  |         struct entry_t
 | ||
|  |         {
 | ||
|  |             void* object;
 | ||
|  |             void* cleanupCookie;
 | ||
|  |             IBinder::object_cleanup_func func;
 | ||
|  |         };
 | ||
|  | 
 | ||
|  |         KeyedVector<const void*, entry_t> mObjects;
 | ||
|  |     };
 | ||
|  | 
 | ||
|  | protected:
 | ||
|  |     virtual             ~BpBinder();
 | ||
|  |     virtual void        onFirstRef();
 | ||
|  |     virtual void        onLastStrongRef(const void* id);
 | ||
|  |     virtual bool        onIncStrongAttempted(uint32_t flags, const void* id);
 | ||
|  | 
 | ||
|  | private:
 | ||
|  |     const   int32_t             mHandle;
 | ||
|  | 
 | ||
|  |     struct Obituary {
 | ||
|  |         wp<DeathRecipient> recipient;
 | ||
|  |         void* cookie;
 | ||
|  |         uint32_t flags;
 | ||
|  |     };
 | ||
|  | 
 | ||
|  |             void                reportOneDeath(const Obituary& obit);
 | ||
|  |             bool                isDescriptorCached() const;
 | ||
|  | 
 | ||
|  |     mutable Mutex               mLock;
 | ||
|  |             volatile int32_t    mAlive;
 | ||
|  |             volatile int32_t    mObitsSent;
 | ||
|  |             Vector<Obituary>*   mObituaries;
 | ||
|  |             ObjectManager       mObjects;
 | ||
|  |             Parcel*             mConstantData;
 | ||
|  |     mutable String16            mDescriptorCache;
 | ||
|  | };
 | ||
|  | 
 | ||
|  | }; // namespace android
 | ||
|  | 
 | ||
|  | // ---------------------------------------------------------------------------
 | ||
|  | 
 | ||
|  | #endif // ANDROID_BPBINDER_H
 |