FP4: Import GPS HAL from LA.UM.9.12.r1-13800-SMxx50.0
Change-Id: Ia11d98eaa5191f923299950e8eb166d0e8fd67f8
diff --git a/gps/utils/LogBuffer.cpp b/gps/utils/LogBuffer.cpp
new file mode 100644
index 0000000..c280c82
--- /dev/null
+++ b/gps/utils/LogBuffer.cpp
@@ -0,0 +1,189 @@
+/* Copyright (c) 2019 - 2020 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.
+ *
+ */
+
+#include "LogBuffer.h"
+#ifdef USE_GLIB
+#include <execinfo.h>
+#endif
+
+#ifdef LOG_TAG
+#undef LOG_TAG
+#endif
+#define LOG_TAG "LocSvc_LogBuffer"
+
+namespace loc_util {
+
+LogBuffer* LogBuffer::mInstance;
+struct sigaction LogBuffer::mOriSigAction[NSIG];
+struct sigaction LogBuffer::mNewSigAction;
+mutex LogBuffer::sLock;
+
+LogBuffer* LogBuffer::getInstance() {
+ if (mInstance == nullptr) {
+ lock_guard<mutex> guard(sLock);
+ if (mInstance == nullptr) {
+ mInstance = new LogBuffer();
+ }
+ }
+ return mInstance;
+}
+
+LogBuffer::LogBuffer(): mLogList(TOTAL_LOG_LEVELS),
+ mConfigVec(TOTAL_LOG_LEVELS, ConfigsInLevel(TIME_DEPTH_THRESHOLD_MINIMAL_IN_SEC,
+ MAXIMUM_NUM_IN_LIST, 0)) {
+ loc_param_s_type log_buff_config_table[] =
+ {
+ {"E_LEVEL_TIME_DEPTH", &mConfigVec[0].mTimeDepthThres, NULL, 'n'},
+ {"E_LEVEL_MAX_CAPACITY", &mConfigVec[0].mMaxNumThres, NULL, 'n'},
+ {"W_LEVEL_TIME_DEPTH", &mConfigVec[1].mTimeDepthThres, NULL, 'n'},
+ {"W_LEVEL_MAX_CAPACITY", &mConfigVec[1].mMaxNumThres, NULL, 'n'},
+ {"I_LEVEL_TIME_DEPTH", &mConfigVec[2].mTimeDepthThres, NULL, 'n'},
+ {"I_LEVEL_MAX_CAPACITY", &mConfigVec[2].mMaxNumThres, NULL, 'n'},
+ {"D_LEVEL_TIME_DEPTH", &mConfigVec[3].mTimeDepthThres, NULL, 'n'},
+ {"D_LEVEL_MAX_CAPACITY", &mConfigVec[3].mMaxNumThres, NULL, 'n'},
+ {"V_LEVEL_TIME_DEPTH", &mConfigVec[4].mTimeDepthThres, NULL, 'n'},
+ {"V_LEVEL_MAX_CAPACITY", &mConfigVec[4].mMaxNumThres, NULL, 'n'},
+ };
+ loc_read_conf(LOC_PATH_GPS_CONF_STR, log_buff_config_table,
+ sizeof(log_buff_config_table)/sizeof(log_buff_config_table[0]));
+ registerSignalHandler();
+}
+
+void LogBuffer::append(string& data, int level, uint64_t timestamp) {
+ lock_guard<mutex> guard(mLock);
+ pair<uint64_t, string> item(timestamp, data);
+ mLogList.append(item, level);
+ mConfigVec[level].mCurrentSize++;
+
+ while ((timestamp - mLogList.front(level).first) > mConfigVec[level].mTimeDepthThres ||
+ mConfigVec[level].mCurrentSize > mConfigVec[level].mMaxNumThres) {
+ mLogList.pop(level);
+ mConfigVec[level].mCurrentSize--;
+ }
+}
+
+//Dump the log buffer of specific level, level = -1 to dump all the levels in log buffer.
+void LogBuffer::dump(std::function<void(stringstream&)> log, int level) {
+ lock_guard<mutex> guard(mLock);
+ list<pair<pair<uint64_t, string>, int>> li;
+ if (-1 == level) {
+ li = mLogList.dump();
+ } else {
+ li = mLogList.dump(level);
+ }
+ ALOGE("Begining of dump, buffer size: %d", (int)li.size());
+ stringstream ln;
+ ln << "dump log buffer, level[" << level << "]" << ", buffer size: " << li.size() << endl;
+ log(ln);
+ for_each (li.begin(), li.end(), [&, this](const pair<pair<uint64_t, string>, int> &item){
+ stringstream line;
+ line << "["<<item.first.first << "] ";
+ line << "Level " << mLevelMap[item.second] << ": ";
+ line << item.first.second << endl;
+ if (log != nullptr) {
+ log(line);
+ }
+ });
+ ALOGE("End of dump");
+}
+
+void LogBuffer::dumpToAdbLogcat() {
+ dump([](stringstream& line){
+ ALOGE("%s", line.str().c_str());
+ });
+}
+
+void LogBuffer::dumpToLogFile(string filePath) {
+ ALOGE("Dump GPS log buffer to file: %s", filePath.c_str());
+ fstream s;
+ s.open(filePath, std::fstream::out | std::fstream::app);
+ dump([&s](stringstream& line){
+ s << line.str();
+ });
+ s.close();
+}
+
+void LogBuffer::flush() {
+ mLogList.flush();
+}
+
+void LogBuffer::registerSignalHandler() {
+ ALOGE("Singal handler registered");
+ mNewSigAction.sa_sigaction = &LogBuffer::signalHandler;
+ mNewSigAction.sa_flags = SA_SIGINFO | SA_RESTART;
+ sigemptyset(&mNewSigAction.sa_mask);
+
+ sigaction(SIGINT, &mNewSigAction, &mOriSigAction[SIGINT]);
+ sigaction(SIGKILL, &mNewSigAction, &mOriSigAction[SIGKILL]);
+ sigaction(SIGSEGV, &mNewSigAction, &mOriSigAction[SIGSEGV]);
+ sigaction(SIGABRT, &mNewSigAction, &mOriSigAction[SIGABRT]);
+ sigaction(SIGTRAP, &mNewSigAction, &mOriSigAction[SIGTRAP]);
+ sigaction(SIGUSR1, &mNewSigAction, &mOriSigAction[SIGUSR1]);
+}
+
+void LogBuffer::signalHandler(const int code, siginfo_t *const si, void *const sc) {
+ ALOGE("[Gnss Log buffer]Singal handler, signal ID: %d", code);
+
+#ifdef USE_GLIB
+ int nptrs;
+ void *buffer[100];
+ char **strings;
+
+ nptrs = backtrace(buffer, sizeof(buffer)/sizeof(*buffer));
+ strings = backtrace_symbols(buffer, nptrs);
+ if (strings != NULL) {
+ timespec tv;
+ clock_gettime(CLOCK_BOOTTIME, &tv);
+ uint64_t elapsedTime = (uint64_t)tv.tv_sec + (uint64_t)tv.tv_nsec/1000000000;
+ for (int i = 0; i < nptrs; i++) {
+ string s(strings[i]);
+ mInstance->append(s, 0, elapsedTime);
+ }
+ }
+#endif
+ //Dump the log buffer to adb logcat
+ mInstance->dumpToAdbLogcat();
+
+ //Dump the log buffer to file
+ time_t now = time(NULL);
+ struct tm *curr_time = localtime(&now);
+ char path[50];
+ snprintf(path, 50, LOG_BUFFER_FILE_PATH "gpslog_%d%d%d-%d%d%d.log",
+ (1900 + curr_time->tm_year), ( 1 + curr_time->tm_mon), curr_time->tm_mday,
+ curr_time->tm_hour, curr_time->tm_min, curr_time->tm_sec);
+
+ mInstance->dumpToLogFile(path);
+
+ //Process won't be terminated if SIGUSR1 is recieved
+ if (code != SIGUSR1) {
+ mOriSigAction[code].sa_sigaction(code, si, sc);
+ }
+}
+
+}