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 REQUEST_MERGE_WAKEUP,
33 };
34
35 class BpMediaLogService : public BpInterface<IMediaLogService>
36 {
37 public:
BpMediaLogService(const sp<IBinder> & impl)38 explicit BpMediaLogService(const sp<IBinder>& impl)
39 : BpInterface<IMediaLogService>(impl)
40 {
41 }
42
registerWriter(const sp<IMemory> & shared,size_t size,const char * name)43 virtual void registerWriter(const sp<IMemory>& shared, size_t size, const char *name) {
44 Parcel data, reply;
45 data.writeInterfaceToken(IMediaLogService::getInterfaceDescriptor());
46 data.writeStrongBinder(IInterface::asBinder(shared));
47 data.writeInt64((int64_t) size);
48 data.writeCString(name);
49 status_t status __unused = remote()->transact(REGISTER_WRITER, data, &reply);
50 // FIXME ignores status
51 }
52
unregisterWriter(const sp<IMemory> & shared)53 virtual void unregisterWriter(const sp<IMemory>& shared) {
54 Parcel data, reply;
55 data.writeInterfaceToken(IMediaLogService::getInterfaceDescriptor());
56 data.writeStrongBinder(IInterface::asBinder(shared));
57 status_t status __unused = remote()->transact(UNREGISTER_WRITER, data, &reply);
58 // FIXME ignores status
59 }
60
requestMergeWakeup()61 virtual void requestMergeWakeup() {
62 Parcel data, reply;
63 data.writeInterfaceToken(IMediaLogService::getInterfaceDescriptor());
64 status_t status __unused = remote()->transact(REQUEST_MERGE_WAKEUP, data, &reply);
65 // FIXME ignores status
66 }
67
68 };
69
70 IMPLEMENT_META_INTERFACE(MediaLogService, "android.media.IMediaLogService");
71
72 // ----------------------------------------------------------------------
73
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)74 status_t BnMediaLogService::onTransact(
75 uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
76 {
77 switch (code) {
78
79 case REGISTER_WRITER: {
80 CHECK_INTERFACE(IMediaLogService, data, reply);
81 sp<IMemory> shared = interface_cast<IMemory>(data.readStrongBinder());
82 size_t size = (size_t) data.readInt64();
83 const char *name = data.readCString();
84 registerWriter(shared, size, name);
85 return NO_ERROR;
86 }
87
88 case UNREGISTER_WRITER: {
89 CHECK_INTERFACE(IMediaLogService, data, reply);
90 sp<IMemory> shared = interface_cast<IMemory>(data.readStrongBinder());
91 unregisterWriter(shared);
92 return NO_ERROR;
93 }
94
95 case REQUEST_MERGE_WAKEUP: {
96 CHECK_INTERFACE(IMediaLogService, data, reply);
97 requestMergeWakeup();
98 return NO_ERROR;
99 }
100
101 default:
102 return BBinder::onTransact(code, data, reply, flags);
103 }
104 }
105
106 // ----------------------------------------------------------------------------
107
108 } // namespace android
109