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Diffstat (limited to 'gps/gnss/XtraSystemStatusObserver.cpp')
-rw-r--r-- | gps/gnss/XtraSystemStatusObserver.cpp | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/gps/gnss/XtraSystemStatusObserver.cpp b/gps/gnss/XtraSystemStatusObserver.cpp new file mode 100644 index 0000000..2855c0d --- /dev/null +++ b/gps/gnss/XtraSystemStatusObserver.cpp @@ -0,0 +1,237 @@ +/* Copyright (c) 2017, The Linux Foundation. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * * Neither the name of The Linux Foundation, nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +#define LOG_TAG "LocSvc_XtraSystemStatusObs" + +#include <sys/stat.h> +#include <sys/un.h> +#include <errno.h> +#include <ctype.h> +#include <cutils/properties.h> +#include <math.h> +#include <arpa/inet.h> +#include <netinet/in.h> +#include <netdb.h> +#include <string> +#include <loc_log.h> +#include <loc_nmea.h> +#include <SystemStatus.h> +#include <vector> +#include <sstream> +#include <XtraSystemStatusObserver.h> +#include <LocAdapterBase.h> +#include <DataItemId.h> +#include <DataItemsFactoryProxy.h> +#include <DataItemConcreteTypesBase.h> + +using namespace loc_core; + +#define XTRA_HAL_SOCKET_NAME "/data/vendor/location/xtra/socket_hal_xtra" + +bool XtraSystemStatusObserver::updateLockStatus(uint32_t lock) { + stringstream ss; + ss << "gpslock"; + ss << " " << lock; + ss << "\n"; // append seperator + return ( sendEvent(ss) ); +} + +bool XtraSystemStatusObserver::updateConnectionStatus(bool connected, uint32_t type) { + stringstream ss; + ss << "connection"; + ss << " " << (connected ? "1" : "0"); + ss << " " << (int)type; + ss << "\n"; // append seperator + return ( sendEvent(ss) ); +} +bool XtraSystemStatusObserver::updateTac(const string& tac) { + stringstream ss; + ss << "tac"; + ss << " " << tac.c_str(); + ss << "\n"; // append seperator + return ( sendEvent(ss) ); +} + +bool XtraSystemStatusObserver::updateMccMnc(const string& mccmnc) { + stringstream ss; + ss << "mncmcc"; + ss << " " << mccmnc.c_str(); + ss << "\n"; // append seperator + return ( sendEvent(ss) ); +} + +bool XtraSystemStatusObserver::sendEvent(const stringstream& event) { + int socketFd = createSocket(); + if (socketFd < 0) { + LOC_LOGe("XTRA unreachable. sending failed."); + return false; + } + + const string& data = event.str(); + int remain = data.length(); + ssize_t sent = 0; + while (remain > 0 && + (sent = ::send(socketFd, data.c_str() + (data.length() - remain), + remain, MSG_NOSIGNAL)) > 0) { + remain -= sent; + } + + if (sent < 0) { + LOC_LOGe("sending error. reason:%s", strerror(errno)); + } + + closeSocket(socketFd); + + return (remain == 0); +} + + +int XtraSystemStatusObserver::createSocket() { + int socketFd = -1; + + if ((socketFd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) { + LOC_LOGe("create socket error. reason:%s", strerror(errno)); + + } else { + const char* socketPath = XTRA_HAL_SOCKET_NAME ; + struct sockaddr_un addr = { .sun_family = AF_UNIX }; + snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", socketPath); + + if (::connect(socketFd, (struct sockaddr*)&addr, sizeof(addr)) < 0) { + LOC_LOGe("cannot connect to XTRA. reason:%s", strerror(errno)); + if (::close(socketFd)) { + LOC_LOGe("close socket error. reason:%s", strerror(errno)); + } + socketFd = -1; + } + } + + return socketFd; +} + +void XtraSystemStatusObserver::closeSocket(const int socketFd) { + if (socketFd >= 0) { + if(::close(socketFd)) { + LOC_LOGe("close socket error. reason:%s", strerror(errno)); + } + } +} + +void XtraSystemStatusObserver::subscribe(bool yes) +{ + // Subscription data list + list<DataItemId> subItemIdList; + subItemIdList.push_back(NETWORKINFO_DATA_ITEM_ID); + subItemIdList.push_back(MCCMNC_DATA_ITEM_ID); + + if (yes) { + mSystemStatusObsrvr->subscribe(subItemIdList, this); + + list<DataItemId> reqItemIdList; + reqItemIdList.push_back(TAC_DATA_ITEM_ID); + + mSystemStatusObsrvr->requestData(reqItemIdList, this); + + } else { + mSystemStatusObsrvr->unsubscribe(subItemIdList, this); + } +} + +// IDataItemObserver overrides +void XtraSystemStatusObserver::getName(string& name) +{ + name = "XtraSystemStatusObserver"; +} + +void XtraSystemStatusObserver::notify(const list<IDataItemCore*>& dlist) +{ + struct handleOsObserverUpdateMsg : public LocMsg { + XtraSystemStatusObserver* mXtraSysStatObj; + list <IDataItemCore*> mDataItemList; + + inline handleOsObserverUpdateMsg(XtraSystemStatusObserver* xtraSysStatObs, + const list<IDataItemCore*>& dataItemList) : + mXtraSysStatObj(xtraSysStatObs) { + for (auto eachItem : dataItemList) { + IDataItemCore* dataitem = DataItemsFactoryProxy::createNewDataItem( + eachItem->getId()); + if (NULL == dataitem) { + break; + } + // Copy the contents of the data item + dataitem->copy(eachItem); + + mDataItemList.push_back(dataitem); + } + } + + inline ~handleOsObserverUpdateMsg() { + for (auto each : mDataItemList) { + delete each; + } + } + + inline void proc() const { + for (auto each : mDataItemList) { + switch (each->getId()) + { + case NETWORKINFO_DATA_ITEM_ID: + { + NetworkInfoDataItemBase* networkInfo = + static_cast<NetworkInfoDataItemBase*>(each); + mXtraSysStatObj->updateConnectionStatus(networkInfo->mConnected, + networkInfo->mType); + } + break; + + case TAC_DATA_ITEM_ID: + { + TacDataItemBase* tac = + static_cast<TacDataItemBase*>(each); + mXtraSysStatObj->updateTac(tac->mValue); + } + break; + + case MCCMNC_DATA_ITEM_ID: + { + MccmncDataItemBase* mccmnc = + static_cast<MccmncDataItemBase*>(each); + mXtraSysStatObj->updateMccMnc(mccmnc->mValue); + } + break; + + default: + break; + } + } + } + }; + mMsgTask->sendMsg(new (nothrow) handleOsObserverUpdateMsg(this, dlist)); +} + + |