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/*
* Copyright (c) 2017, The Linux Foundation. All rights reserved.
* Not a Contribution
*/
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "LocSvc__AGnssRilInterface"
#include <log_util.h>
#include <dlfcn.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <sstream>
#include <string>
#include "Gnss.h"
#include "AGnssRil.h"
typedef void* (getLocationInterface)();
namespace android {
namespace hardware {
namespace gnss {
namespace V1_0 {
namespace implementation {
static bool sendConnectionEvent(const bool connected, const uint8_t type);
AGnssRil::AGnssRil(Gnss* gnss) : mGnss(gnss) {
ENTRY_LOG_CALLFLOW();
}
AGnssRil::~AGnssRil() {
ENTRY_LOG_CALLFLOW();
}
Return<bool> AGnssRil::updateNetworkState(bool connected, NetworkType type, bool roaming) {
ENTRY_LOG_CALLFLOW();
// for XTRA
sendConnectionEvent(connected, (uint8_t)type);
return true;
}
// for XTRA
static inline int 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 = "/data/vendor/location/xtra/socket_hal_xtra";
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;
}
static inline void closeSocket(const int socketFd) {
if (socketFd >= 0) {
if(::close(socketFd)) {
LOC_LOGe("close socket error. reason:%s", strerror(errno));
}
}
}
static inline bool sendConnectionEvent(const bool connected, const uint8_t type) {
int socketFd = createSocket();
if (socketFd < 0) {
LOC_LOGe("XTRA unreachable. sending failed.");
return false;
}
std::stringstream ss;
ss << "connection";
ss << " " << (connected ? "1" : "0");
ss << " " << (int)type;
ss << "\n"; // append seperator
const std::string& data = ss.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);
}
} // namespace implementation
} // namespace V1_0
} // namespace gnss
} // namespace hardware
} // namespace android
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