1 /* 2 * Copyright (c) 2017, The Linux Foundation. All rights reserved. 3 * Not a Contribution 4 */ 5 /* 6 * Copyright (C) 2016 The Android Open Source Project 7 * 8 * Licensed under the Apache License, Version 2.0 (the "License"); 9 * you may not use this file except in compliance with the License. 10 * You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 21 #define LOG_TAG "LocSvc__AGnssRilInterface" 22 23 #include <log_util.h> 24 #include <dlfcn.h> 25 #include <sys/types.h> 26 #include <sys/socket.h> 27 #include <sys/un.h> 28 #include <sstream> 29 #include <string> 30 #include "Gnss.h" 31 #include "AGnssRil.h" 32 typedef void* (getLocationInterface)(); 33 34 namespace android { 35 namespace hardware { 36 namespace gnss { 37 namespace V1_0 { 38 namespace implementation { 39 40 static bool sendConnectionEvent(const bool connected, const uint8_t type); 41 42 AGnssRil::AGnssRil(Gnss* gnss) : mGnss(gnss) { 43 ENTRY_LOG_CALLFLOW(); 44 } 45 46 AGnssRil::~AGnssRil() { 47 ENTRY_LOG_CALLFLOW(); 48 } 49 50 Return<bool> AGnssRil::updateNetworkState(bool connected, NetworkType type, bool roaming) { 51 ENTRY_LOG_CALLFLOW(); 52 53 // for XTRA 54 sendConnectionEvent(connected, (uint8_t)type); 55 56 return true; 57 } 58 59 // for XTRA 60 static inline int createSocket() { 61 int socketFd = -1; 62 63 if ((socketFd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) { 64 LOC_LOGe("create socket error. reason:%s", strerror(errno)); 65 66 } else { 67 const char* socketPath = "/data/vendor/location/xtra/socket_hal_xtra"; 68 struct sockaddr_un addr = { .sun_family = AF_UNIX }; 69 snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", socketPath); 70 71 if (::connect(socketFd, (struct sockaddr*)&addr, sizeof(addr)) < 0) { 72 LOC_LOGe("cannot connect to XTRA. reason:%s", strerror(errno)); 73 if (::close(socketFd)) { 74 LOC_LOGe("close socket error. reason:%s", strerror(errno)); 75 } 76 socketFd = -1; 77 } 78 } 79 80 return socketFd; 81 } 82 83 static inline void closeSocket(const int socketFd) { 84 if (socketFd >= 0) { 85 if(::close(socketFd)) { 86 LOC_LOGe("close socket error. reason:%s", strerror(errno)); 87 } 88 } 89 } 90 91 static inline bool sendConnectionEvent(const bool connected, const uint8_t type) { 92 int socketFd = createSocket(); 93 if (socketFd < 0) { 94 LOC_LOGe("XTRA unreachable. sending failed."); 95 return false; 96 } 97 98 std::stringstream ss; 99 ss << "connection"; 100 ss << " " << (connected ? "1" : "0"); 101 ss << " " << (int)type; 102 ss << "\n"; // append seperator 103 104 const std::string& data = ss.str(); 105 int remain = data.length(); 106 ssize_t sent = 0; 107 108 while (remain > 0 && 109 (sent = ::send(socketFd, data.c_str() + (data.length() - remain), 110 remain, MSG_NOSIGNAL)) > 0) { 111 remain -= sent; 112 } 113 114 if (sent < 0) { 115 LOC_LOGe("sending error. reason:%s", strerror(errno)); 116 } 117 118 closeSocket(socketFd); 119 120 return (remain == 0); 121 } 122 123 } // namespace implementation 124 } // namespace V1_0 125 } // namespace gnss 126 } // namespace hardware 127 } // namespace android 128
