1 files changed, 282 insertions, 0 deletions
diff --git a/gps/utils/loc_log.cpp b/gps/utils/loc_log.cpp
new file mode 100644
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--- /dev/null
+++ b/gps/utils/loc_log.cpp
@@ -0,0 +1,282 @@
+/* Copyright (c) 2011-2012, 2015, 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.
+ *
+ */
+
+#define LOG_NDEBUG 0
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/time.h>
+#include "log_util.h"
+#include "loc_log.h"
+#include "msg_q.h"
+#include <loc_pla.h>
+#include "LogBuffer.h"
+#include <unordered_map>
+#include <fstream>
+#include <algorithm>
+#include <string>
+#include <cctype>
+#define  BUFFER_SIZE  120
+#define  LOG_TAG_LEVEL_CONF_FILE_PATH "/data/vendor/location/gps.prop"
+
+// Logging Improvements
+const char *loc_logger_boolStr[]={"False","True"};
+const char VOID_RET[]   = "None";
+const char FROM_AFW[]   = "===>";
+const char TO_MODEM[]   = "--->";
+const char FROM_MODEM[] = "<---";
+const char TO_AFW[]     = "<===";
+const char EXIT_TAG[]   = "Exiting";
+const char ENTRY_TAG[]  = "Entering";
+const char EXIT_ERROR_TAG[]  = "Exiting with error";
+
+int build_type_prop = BUILD_TYPE_PROP_NA;
+
+const string gEmptyStr = "";
+const string gUnknownStr = "UNKNOWN";
+/* Logging Mechanism */
+loc_logger_s_type loc_logger;
+
+/* tag base logging control map*/
+static std::unordered_map<std::string, uint8_t> tag_level_map;
+static bool tag_map_inited = false;
+
+/* returns the least signification bit that is set in the mask
+   Param
+      mask -        bit mask.
+      clearTheBit - if true, mask gets modified upon return.
+   returns 0 if mask is 0.
+*/
+uint64_t loc_get_least_bit(uint64_t& mask, bool clearTheBit) {
+    uint64_t bit = 0;
+
+    if (mask > 0) {
+        uint64_t less1 = mask - 1;
+        bit = mask & ~(less1);
+        if (clearTheBit) {
+            mask &= less1;
+        }
+    }
+
+    return bit;
+}
+
+string loc_get_bit_defs(uint64_t mask, const NameValTbl& tbl) {
+    string out;
+    while (mask > 0) {
+        out += loc_get_name_from_tbl(tbl, loc_get_least_bit(mask));
+        if (mask > 0) {
+            out += " | ";
+        }
+    }
+    return out;
+}
+
+DECLARE_TBL(loc_msg_q_status) =
+{
+    NAME_VAL( eMSG_Q_SUCCESS ),
+    NAME_VAL( eMSG_Q_FAILURE_GENERAL ),
+    NAME_VAL( eMSG_Q_INVALID_PARAMETER ),
+    NAME_VAL( eMSG_Q_INVALID_HANDLE ),
+    NAME_VAL( eMSG_Q_UNAVAILABLE_RESOURCE ),
+    NAME_VAL( eMSG_Q_INSUFFICIENT_BUFFER )
+};
+
+/* Find msg_q status name */
+const char* loc_get_msg_q_status(int status)
+{
+   return loc_get_name_from_val(loc_msg_q_status_tbl, (int64_t) status);
+}
+
+//Target names
+DECLARE_TBL(target_name) =
+{
+    NAME_VAL(GNSS_NONE),
+    NAME_VAL(GNSS_MSM),
+    NAME_VAL(GNSS_GSS),
+    NAME_VAL(GNSS_MDM),
+    NAME_VAL(GNSS_AUTO),
+    NAME_VAL(GNSS_UNKNOWN)
+};
+
+/*===========================================================================
+
+FUNCTION loc_get_target_name
+
+DESCRIPTION
+   Returns pointer to a string that contains name of the target
+
+   XX:XX:XX.000\0
+
+RETURN VALUE
+   The target name string
+
+===========================================================================*/
+const char *loc_get_target_name(unsigned int target)
+{
+    int64_t index = 0;
+    static char ret[BUFFER_SIZE];
+
+    snprintf(ret, sizeof(ret), " %s with%s SSC",
+             loc_get_name_from_val(target_name_tbl, getTargetGnssType(target)),
+             ((target & HAS_SSC) == HAS_SSC) ? gEmptyStr.c_str() : "out");
+
+    return ret;
+}
+
+
+/*===========================================================================
+
+FUNCTION loc_get_time
+
+DESCRIPTION
+   Logs a callback event header.
+   The pointer time_string should point to a buffer of at least 13 bytes:
+
+   XX:XX:XX.000\0
+
+RETURN VALUE
+   The time string
+
+===========================================================================*/
+char *loc_get_time(char *time_string, size_t buf_size)
+{
+   struct timeval now;     /* sec and usec     */
+   struct tm now_tm;       /* broken-down time */
+   char hms_string[80];    /* HH:MM:SS         */
+
+   gettimeofday(&now, NULL);
+   localtime_r(&now.tv_sec, &now_tm);
+
+   strftime(hms_string, sizeof hms_string, "%H:%M:%S", &now_tm);
+   snprintf(time_string, buf_size, "%s.%03d", hms_string, (int) (now.tv_usec / 1000));
+
+   return time_string;
+}
+
+/*===========================================================================
+FUNCTION get_timestamp
+
+DESCRIPTION
+   Generates a timestamp using the current system time
+
+DEPENDENCIES
+   N/A
+
+RETURN VALUE
+   Char pointer to the parameter str
+
+SIDE EFFECTS
+   N/A
+===========================================================================*/
+char * get_timestamp(char *str, unsigned long buf_size)
+{
+  struct timeval tv;
+  struct timezone tz;
+  int hh, mm, ss;
+  gettimeofday(&tv, &tz);
+  hh = tv.tv_sec/3600%24;
+  mm = (tv.tv_sec%3600)/60;
+  ss = tv.tv_sec%60;
+  snprintf(str, buf_size, "%02d:%02d:%02d.%06ld", hh, mm, ss, tv.tv_usec);
+  return str;
+}
+
+/*===========================================================================
+
+FUNCTION log_buffer_insert
+
+DESCRIPTION
+   Insert a log sentence with specific level to the log buffer.
+
+RETURN VALUE
+   N/A
+
+===========================================================================*/
+void log_buffer_insert(char *str, unsigned long buf_size, int level)
+{
+    timespec tv;
+    clock_gettime(CLOCK_BOOTTIME, &tv);
+    uint64_t elapsedTime = (uint64_t)tv.tv_sec + (uint64_t)tv.tv_nsec/1000000000;
+    string ss = str;
+    loc_util::LogBuffer::getInstance()->append(ss, level, elapsedTime);
+}
+
+void log_tag_level_map_init()
+{
+    if (tag_map_inited) {
+        return;
+    }
+
+    std::string filename = LOG_TAG_LEVEL_CONF_FILE_PATH;
+
+    std::ifstream s(filename);
+    if (!s.is_open()) {
+        ALOGE("cannot open file:%s", LOG_TAG_LEVEL_CONF_FILE_PATH);
+    } else {
+        std::string line;
+        while (std::getline(s, line)) {
+            line.erase(std::remove(line.begin(), line.end(), ' '), line.end());
+            int pos = line.find('=');
+            if (pos <= 0 || pos >= (line.size() - 1)) {
+                ALOGE("wrong format in gps.prop");
+                continue;
+            }
+            std::string tag = line.substr(0, pos);
+            std::string level = line.substr(pos+1, 1);
+            if (!std::isdigit(*(level.begin()))) {
+                ALOGE("wrong format in gps.prop");
+                continue;
+            }
+            tag_level_map[tag] = (uint8_t)std::stoul(level);
+        }
+    }
+    tag_map_inited = true;
+}
+
+int get_tag_log_level(const char* tag)
+{
+    if (!tag_map_inited) {
+        return -1;
+    }
+
+    // in case LOG_TAG isn't defined in a source file, use the global log level
+    if (tag == NULL) {
+        return loc_logger.DEBUG_LEVEL;
+    }
+    int log_level;
+    auto search = tag_level_map.find(std::string(tag));
+    if (tag_level_map.end() != search) {
+        log_level = search->second;
+    } else {
+        log_level = loc_logger.DEBUG_LEVEL;
+    }
+    return log_level;
+}