40284224df
Transition of base DataConcreteType class to HAL, so that modules in HAL can access the members of DataItem class. Change-Id: Ib3b60992cf35a52b601117d5d18761d759f31b86 CRs-Fixed: 2104384
361 lines
11 KiB
C++
361 lines
11 KiB
C++
/* Copyright (c) 2017, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation, nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#define LOG_TAG "LocSvc_XtraSystemStatusObs"
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#include <sys/stat.h>
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#include <sys/un.h>
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#include <errno.h>
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#include <ctype.h>
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#include <cutils/properties.h>
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#include <math.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include <string>
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#include <loc_log.h>
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#include <loc_nmea.h>
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#include <SystemStatus.h>
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#include <vector>
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#include <sstream>
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#include <XtraSystemStatusObserver.h>
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#include <LocAdapterBase.h>
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#include <DataItemId.h>
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#include <DataItemsFactoryProxy.h>
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#include <DataItemConcreteTypesBase.h>
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using namespace loc_core;
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#define XTRA_HAL_SOCKET_NAME "/data/vendor/location/xtra/socket_hal_xtra"
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bool XtraSystemStatusObserver::updateLockStatus(uint32_t lock) {
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stringstream ss;
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ss << "gpslock";
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ss << " " << lock;
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ss << "\n"; // append seperator
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return ( sendEvent(ss) );
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}
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bool XtraSystemStatusObserver::updateConnectionStatus(bool connected, uint32_t type) {
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stringstream ss;
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ss << "connection";
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ss << " " << (connected ? "1" : "0");
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ss << " " << (int)type;
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ss << "\n"; // append seperator
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return ( sendEvent(ss) );
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}
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bool XtraSystemStatusObserver::updateTac(const string& tac) {
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stringstream ss;
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ss << "tac";
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ss << " " << tac.c_str();
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ss << "\n"; // append seperator
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return ( sendEvent(ss) );
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}
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bool XtraSystemStatusObserver::updateMccMnc(const string& mccmnc) {
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stringstream ss;
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ss << "mncmcc";
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ss << " " << mccmnc.c_str();
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ss << "\n"; // append seperator
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return ( sendEvent(ss) );
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}
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bool XtraSystemStatusObserver::sendEvent(const stringstream& event) {
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int socketFd = createSocket();
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if (socketFd < 0) {
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LOC_LOGe("XTRA unreachable. sending failed.");
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return false;
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}
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const string& data = event.str();
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int remain = data.length();
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ssize_t sent = 0;
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while (remain > 0 &&
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(sent = ::send(socketFd, data.c_str() + (data.length() - remain),
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remain, MSG_NOSIGNAL)) > 0) {
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remain -= sent;
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}
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if (sent < 0) {
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LOC_LOGe("sending error. reason:%s", strerror(errno));
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}
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closeSocket(socketFd);
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return (remain == 0);
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}
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int XtraSystemStatusObserver::createSocket() {
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int socketFd = -1;
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if ((socketFd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {
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LOC_LOGe("create socket error. reason:%s", strerror(errno));
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} else {
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const char* socketPath = XTRA_HAL_SOCKET_NAME ;
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struct sockaddr_un addr = { .sun_family = AF_UNIX };
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snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", socketPath);
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if (::connect(socketFd, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
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LOC_LOGe("cannot connect to XTRA. reason:%s", strerror(errno));
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if (::close(socketFd)) {
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LOC_LOGe("close socket error. reason:%s", strerror(errno));
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}
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socketFd = -1;
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}
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}
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return socketFd;
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}
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void XtraSystemStatusObserver::closeSocket(const int socketFd) {
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if (socketFd >= 0) {
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if(::close(socketFd)) {
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LOC_LOGe("close socket error. reason:%s", strerror(errno));
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}
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}
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}
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void XtraSystemStatusObserver::subscribe(bool yes)
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{
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// Subscription data list
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list<DataItemId> subItemIdList;
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subItemIdList.push_back(NETWORKINFO_DATA_ITEM_ID);
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subItemIdList.push_back(MCCMNC_DATA_ITEM_ID);
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if (yes) {
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mSystemStatusObsrvr->subscribe(subItemIdList, this);
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list<DataItemId> reqItemIdList;
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reqItemIdList.push_back(TAC_DATA_ITEM_ID);
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mSystemStatusObsrvr->requestData(reqItemIdList, this);
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} else {
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mSystemStatusObsrvr->unsubscribe(subItemIdList, this);
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}
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}
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// IDataItemObserver overrides
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void XtraSystemStatusObserver::getName(string& name)
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{
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name = "XtraSystemStatusObserver";
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}
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void XtraSystemStatusObserver::notify(const list<IDataItemCore*>& dlist)
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{
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struct handleOsObserverUpdateMsg : public LocMsg {
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XtraSystemStatusObserver* mXtraSysStatObj;
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list <IDataItemCore*> mDataItemList;
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inline handleOsObserverUpdateMsg(XtraSystemStatusObserver* xtraSysStatObs,
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const list<IDataItemCore*>& dataItemList) :
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mXtraSysStatObj(xtraSysStatObs) {
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for (auto eachItem : dataItemList) {
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IDataItemCore* dataitem = DataItemsFactoryProxy::createNewDataItem(
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eachItem->getId());
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if (NULL == dataitem) {
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break;
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}
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// Copy the contents of the data item
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dataitem->copy(eachItem);
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mDataItemList.push_back(dataitem);
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}
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}
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inline ~handleOsObserverUpdateMsg() {
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for (auto each : mDataItemList) {
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delete each;
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}
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}
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inline void proc() const {
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for (auto each : mDataItemList) {
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switch (each->getId())
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{
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case NETWORKINFO_DATA_ITEM_ID:
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{
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NetworkInfoDataItemBase* networkInfo =
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static_cast<NetworkInfoDataItemBase*>(each);
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mXtraSysStatObj->updateConnectionStatus(networkInfo->mConnected,
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networkInfo->mType);
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}
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break;
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case TAC_DATA_ITEM_ID:
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{
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TacDataItemBase* tac =
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static_cast<TacDataItemBase*>(each);
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mXtraSysStatObj->updateTac(tac->mValue);
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}
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break;
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case MCCMNC_DATA_ITEM_ID:
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{
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MccmncDataItemBase* mccmnc =
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static_cast<MccmncDataItemBase*>(each);
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mXtraSysStatObj->updateMccMnc(mccmnc->mValue);
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}
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break;
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default:
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break;
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}
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}
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}
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};
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mMsgTask->sendMsg(new (nothrow) handleOsObserverUpdateMsg(this, dlist));
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}
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#ifdef USE_GLIB
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bool XtraSystemStatusObserver::connectBackhaul()
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{
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return mSystemStatusObsrvr->connectBackhaul();
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}
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bool XtraSystemStatusObserver::disconnectBackhaul()
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{
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return mSystemStatusObsrvr->disconnectBackhaul();
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}
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// XtraHalListenerSocket class
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// TBD - this will be removed once bidirectional socket changes in
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// xtra-daemon will be implemented
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void XtraHalListenerSocket::receiveData(const int socketFd) {
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string data;
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array<char, 128> buf;
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const char* bin_msg_conn_backhaul = "connectBackhaul";
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const char* bin_msg_disconn_backhaul = "disconnectBackhaul";
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while (true) {
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ssize_t len = recv(socketFd, buf.data(), buf.size(), 0);
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if (len > 0) {
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LOC_LOGd("received %lu bytes", len);
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data.append(buf.data(), len);
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size_t pos = data.find("\n");
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if (pos == string::npos) {
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continue;
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}
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if (!strncmp(data.c_str(), bin_msg_conn_backhaul,
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sizeof(bin_msg_conn_backhaul) - 1)) {
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mSystemStatusObsrvr->connectBackhaul();
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} else if (!strncmp(data.c_str(), bin_msg_disconn_backhaul,
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sizeof(bin_msg_disconn_backhaul) - 1)) {
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mSystemStatusObsrvr->disconnectBackhaul();
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}
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else {
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LOC_LOGw("unknown event: %s", data.c_str());
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}
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break;
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} else {
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LOC_LOGd("XtraHalListenerSocket connection broken.");
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break;
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}
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}
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}
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void XtraHalListenerSocket::startListenerThread() {
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mThread = new (std::nothrow) LocThread();
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if (!mThread) {
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LOC_LOGe("create thread failed");
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}
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mRunning = true;
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if (!mThread->start("XtraHalListenerSocketThread", this, true)) {
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delete mThread;
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mThread = NULL;
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}
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LOC_LOGd("Create listener socket in XtraHalListenerSocket");
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// create socket
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int socketFd;
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if ((socketFd = ::socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {
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LOC_LOGe("create socket error. reason:%s", strerror(errno));
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return;
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}
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const char* socketPath = "/data/vendor/location/xtra/socket_xtra_locnetiface";
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unlink(socketPath);
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struct sockaddr_un addr = { .sun_family = AF_UNIX };
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snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", socketPath);
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umask(0157);
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if (::bind(socketFd, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
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LOC_LOGe("bind socket error. reason:%s", strerror(errno));
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return;
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}
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// set up connection
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if (::listen(socketFd, 5/*backlog*/) < 0) {
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LOC_LOGe("cannot bind socket. reason:%s", strerror(errno));
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return;
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}
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mSocketFd = socketFd;
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}
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bool XtraHalListenerSocket::run() {
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// infinite while loop till mRunning is false when stopListenXtraDaemon
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// is called
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while (mRunning) {
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int clientFd = -1;
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LOC_LOGd("XtraHalListenerSocket - waiting for msg...");
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if ( (clientFd = ::accept(mSocketFd, NULL, NULL)) < 0) {
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LOC_LOGe("connection error. reason:%s", strerror(errno));
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} else {
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LOC_LOGd("XtraHalListenerSocket - receiving data ...");
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receiveData(clientFd);
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if (::close(clientFd)) {
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LOC_LOGe("close connection fail.");
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}
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clientFd = -1;
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}
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}
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// return false once we reach there
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return false;
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}
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void XtraHalListenerSocket::stopListenXtraDaemon() {
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if (mSocketFd >= 0) {
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if (::close(mSocketFd)) {
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LOC_LOGe("close hal connection fail.");
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}
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mSocketFd = -1;
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}
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mRunning = false;
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mThread->stop();
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}
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#endif
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