1 /*
2 **
3 ** Copyright 2007, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
8 **
9 ** http://www.apache.org/licenses/LICENSE-2.0
10 **
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17
18 #define LOG_TAG "IMediaLogService"
19 //#define LOG_NDEBUG 0
20
21 #include <utils/Log.h>
22 #include <stdint.h>
23 #include <sys/types.h>
24 #include <binder/Parcel.h>
25 #include <media/IMediaLogService.h>
26
27 namespace android {
28
29 enum {
30 REGISTER_WRITER = IBinder::FIRST_CALL_TRANSACTION,
31 UNREGISTER_WRITER,
32 };
33
34 class BpMediaLogService : public BpInterface<IMediaLogService>
35 {
36 public:
BpMediaLogService(const sp<IBinder> & impl)37 BpMediaLogService(const sp<IBinder>& impl)
38 : BpInterface<IMediaLogService>(impl)
39 {
40 }
41
registerWriter(const sp<IMemory> & shared,size_t size,const char * name)42 virtual void registerWriter(const sp<IMemory>& shared, size_t size, const char *name) {
43 Parcel data, reply;
44 data.writeInterfaceToken(IMediaLogService::getInterfaceDescriptor());
45 data.writeStrongBinder(IInterface::asBinder(shared));
46 data.writeInt64((int64_t) size);
47 data.writeCString(name);
48 status_t status __unused = remote()->transact(REGISTER_WRITER, data, &reply);
49 // FIXME ignores status
50 }
51
unregisterWriter(const sp<IMemory> & shared)52 virtual void unregisterWriter(const sp<IMemory>& shared) {
53 Parcel data, reply;
54 data.writeInterfaceToken(IMediaLogService::getInterfaceDescriptor());
55 data.writeStrongBinder(IInterface::asBinder(shared));
56 status_t status __unused = remote()->transact(UNREGISTER_WRITER, data, &reply);
57 // FIXME ignores status
58 }
59
60 };
61
62 IMPLEMENT_META_INTERFACE(MediaLogService, "android.media.IMediaLogService");
63
64 // ----------------------------------------------------------------------
65
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)66 status_t BnMediaLogService::onTransact(
67 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
68 {
69 switch (code) {
70
71 case REGISTER_WRITER: {
72 CHECK_INTERFACE(IMediaLogService, data, reply);
73 sp<IMemory> shared = interface_cast<IMemory>(data.readStrongBinder());
74 size_t size = (size_t) data.readInt64();
75 const char *name = data.readCString();
76 registerWriter(shared, size, name);
77 return NO_ERROR;
78 }
79
80 case UNREGISTER_WRITER: {
81 CHECK_INTERFACE(IMediaLogService, data, reply);
82 sp<IMemory> shared = interface_cast<IMemory>(data.readStrongBinder());
83 unregisterWriter(shared);
84 return NO_ERROR;
85 }
86
87 default:
88 return BBinder::onTransact(code, data, reply, flags);
89 }
90 }
91
92 // ----------------------------------------------------------------------------
93
94 } // namespace android
95