The Android Open Source Project | 7c1b96a | 2008-10-21 07:00:00 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2006 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <stdint.h> |
| 18 | #include <sys/types.h> |
| 19 | |
| 20 | #include <utils/Parcel.h> |
| 21 | |
| 22 | #include <utils/IDataConnection.h> |
| 23 | |
| 24 | namespace android { |
| 25 | |
| 26 | // --------------------------------------------------------------------------- |
| 27 | |
| 28 | enum |
| 29 | { |
| 30 | CONNECT_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION, |
| 31 | DISCONNECT_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION + 1 |
| 32 | }; |
| 33 | |
| 34 | class BpDataConnection : public BpInterface<IDataConnection> |
| 35 | { |
| 36 | public: |
| 37 | BpDataConnection::BpDataConnection(const sp<IBinder>& impl) |
| 38 | : BpInterface<IDataConnection>(impl) |
| 39 | { |
| 40 | } |
| 41 | |
| 42 | virtual void connect() |
| 43 | { |
| 44 | Parcel data, reply; |
| 45 | data.writeInterfaceToken(IDataConnection::descriptor()); |
| 46 | remote()->transact(CONNECT_TRANSACTION, data, &reply); |
| 47 | } |
| 48 | |
| 49 | virtual void disconnect() |
| 50 | { |
| 51 | Parcel data, reply; |
| 52 | remote()->transact(DISCONNECT_TRANSACTION, data, &reply); |
| 53 | } |
| 54 | }; |
| 55 | |
| 56 | IMPLEMENT_META_INTERFACE(DataConnection, "android.utils.IDataConnection"); |
| 57 | |
| 58 | #define CHECK_INTERFACE(interface, data, reply) \ |
| 59 | do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \ |
| 60 | LOGW("Call incorrectly routed to " #interface); \ |
| 61 | return PERMISSION_DENIED; \ |
| 62 | } } while (0) |
| 63 | |
| 64 | status_t BnDataConnection::onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) |
| 65 | { |
| 66 | switch(code) |
| 67 | { |
| 68 | case CONNECT_TRANSACTION: |
| 69 | { |
| 70 | CHECK_INTERFACE(IDataConnection, data, reply); |
| 71 | connect(); |
| 72 | return NO_ERROR; |
| 73 | } |
| 74 | |
| 75 | case DISCONNECT_TRANSACTION: |
| 76 | { |
| 77 | CHECK_INTERFACE(IDataConnection, data, reply); |
| 78 | disconnect(); |
| 79 | return NO_ERROR; |
| 80 | } |
| 81 | |
| 82 | default: |
| 83 | return BBinder::onTransact(code, data, reply, flags); |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | // ---------------------------------------------------------------------------- |
| 88 | |
| 89 | }; // namespace android |