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 // ---------------------------------------------------------------------------- 42 QService::QService() 43 { 44 ALOGD_IF(QSERVICE_DEBUG, "QService Constructor invoked"); 45 } 46 47 QService::~QService() 48 { 49 ALOGD_IF(QSERVICE_DEBUG,"QService Destructor invoked"); 50 } 51 52 void QService::connect(const sp<qClient::IQClient>& client) { 53 ALOGD_IF(QSERVICE_DEBUG,"client connected"); 54 mClient = client; 55 } 56 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 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
