1 /*
2 * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above
10 * copyright notice, this list of conditions and the following
11 * disclaimer in the documentation and/or other materials provided
12 * with the distribution.
13 * * Neither the name of The Linux Foundation nor the names of its
14 * contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #include <QService.h>
31 #include <binder/Parcel.h>
32 #include <binder/IPCThreadState.h>
33
34 #define QSERVICE_DEBUG 0
35
36 using namespace android;
37
38 namespace qService {
39
40 QService* QService::sQService = NULL;
41 // ----------------------------------------------------------------------------
QService()42 QService::QService()
43 {
44 ALOGD_IF(QSERVICE_DEBUG, "QService Constructor invoked");
45 }
46
~QService()47 QService::~QService()
48 {
49 ALOGD_IF(QSERVICE_DEBUG,"QService Destructor invoked");
50 }
51
connect(const sp<qClient::IQClient> & client)52 void QService::connect(const sp<qClient::IQClient>& client) {
53 ALOGD_IF(QSERVICE_DEBUG,"client connected");
54 mClient = client;
55 }
56
dispatch(uint32_t command,const Parcel * inParcel,Parcel * outParcel)57 status_t QService::dispatch(uint32_t command, const Parcel* inParcel,
58 Parcel* outParcel) {
59 status_t err = (status_t) FAILED_TRANSACTION;
60 IPCThreadState* ipc = IPCThreadState::self();
61 //Rewind parcel in case we're calling from the same process
62 if (ipc->getCallingPid() == getpid())
63 inParcel->setDataPosition(0);
64 if (mClient.get()) {
65 ALOGD_IF(QSERVICE_DEBUG, "Dispatching command: %d", command);
66 err = mClient->notifyCallback(command, inParcel, outParcel);
67 }
68 return err;
69 }
70
init()71 void QService::init()
72 {
73 if(!sQService) {
74 sQService = new QService();
75 sp<IServiceManager> sm = defaultServiceManager();
76 sm->addService(String16("display.qservice"), sQService);
77 if(sm->checkService(String16("display.qservice")) != NULL)
78 ALOGD_IF(QSERVICE_DEBUG, "adding display.qservice succeeded");
79 else
80 ALOGD_IF(QSERVICE_DEBUG, "adding display.qservice failed");
81 }
82 }
83
84 }
85