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/* 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>
using namespace std;
using namespace loc_core;
#define XTRA_HAL_SOCKET_NAME "/data/vendor/location/xtra/socket_hal_xtra"
bool XtraSystemStatusObserver::updateLockStatus(uint32_t lock) {
std::stringstream ss;
ss << "gpslock";
ss << " " << lock;
ss << "\n"; // append seperator
return ( sendEvent(ss) );
}
bool XtraSystemStatusObserver::updateConnectionStatus(bool connected, uint8_t type) {
std::stringstream ss;
ss << "connection";
ss << " " << (connected ? "1" : "0");
ss << " " << (int)type;
ss << "\n"; // append seperator
return ( sendEvent(ss) );
}
bool XtraSystemStatusObserver::sendEvent(std::stringstream& event) {
int socketFd = createSocket();
if (socketFd < 0) {
LOC_LOGe("XTRA unreachable. sending failed.");
return false;
}
const std::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));
}
}
}
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