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      1 /* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
      2  *
      3  * Redistribution and use in source and binary forms, with or without
      4  * modification, are permitted provided that the following conditions are
      5  * met:
      6  *     * Redistributions of source code must retain the above copyright
      7  *       notice, this list of conditions and the following disclaimer.
      8  *     * Redistributions in binary form must reproduce the above
      9  *       copyright notice, this list of conditions and the following
     10  *       disclaimer in the documentation and/or other materials provided
     11  *       with the distribution.
     12  *     * Neither the name of The Linux Foundation, nor the names of its
     13  *       contributors may be used to endorse or promote products derived
     14  *       from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  *
     28  */
     29 
     30 #define LOG_NDDEBUG 0
     31 
     32 #include <stdio.h>
     33 #include <stdlib.h>
     34 #include <sys/time.h>
     35 #include <time.h>
     36 #include "loc_log.h"
     37 #include "msg_q.h"
     38 #ifdef USE_GLIB
     39 #include <time.h>
     40 #endif /* USE_GLIB  */
     41 #include "log_util.h"
     42 #include "platform_lib_includes.h"
     43 
     44 #define  BUFFER_SIZE  120
     45 
     46 // Logging Improvements
     47 const char *loc_logger_boolStr[]={"False","True"};
     48 const char VOID_RET[]   = "None";
     49 const char FROM_AFW[]   = "===>";
     50 const char TO_MODEM[]   = "--->";
     51 const char FROM_MODEM[] = "<---";
     52 const char TO_AFW[]     = "<===";
     53 const char EXIT_TAG[]   = "Exiting";
     54 const char ENTRY_TAG[]  = "Entering";
     55 
     56 /* Logging Mechanism */
     57 loc_logger_s_type loc_logger;
     58 
     59 /* Get names from value */
     60 const char* loc_get_name_from_mask(loc_name_val_s_type table[], int table_size, long mask)
     61 {
     62    int i;
     63    for (i = 0; i < table_size; i++)
     64    {
     65       if (table[i].val & (long) mask)
     66       {
     67          return table[i].name;
     68       }
     69    }
     70    return UNKNOWN_STR;
     71 }
     72 
     73 /* Get names from value */
     74 const char* loc_get_name_from_val(loc_name_val_s_type table[], int table_size, long value)
     75 {
     76    int i;
     77    for (i = 0; i < table_size; i++)
     78    {
     79       if (table[i].val == (long) value)
     80       {
     81          return table[i].name;
     82       }
     83    }
     84    return UNKNOWN_STR;
     85 }
     86 
     87 static loc_name_val_s_type loc_msg_q_status[] =
     88 {
     89     NAME_VAL( eMSG_Q_SUCCESS ),
     90     NAME_VAL( eMSG_Q_FAILURE_GENERAL ),
     91     NAME_VAL( eMSG_Q_INVALID_PARAMETER ),
     92     NAME_VAL( eMSG_Q_INVALID_HANDLE ),
     93     NAME_VAL( eMSG_Q_UNAVAILABLE_RESOURCE ),
     94     NAME_VAL( eMSG_Q_INSUFFICIENT_BUFFER )
     95 };
     96 static int loc_msg_q_status_num = sizeof(loc_msg_q_status) / sizeof(loc_name_val_s_type);
     97 
     98 /* Find msg_q status name */
     99 const char* loc_get_msg_q_status(int status)
    100 {
    101    return loc_get_name_from_val(loc_msg_q_status, loc_msg_q_status_num, (long) status);
    102 }
    103 
    104 const char* log_succ_fail_string(int is_succ)
    105 {
    106    return is_succ? "successful" : "failed";
    107 }
    108 
    109 //Target names
    110 loc_name_val_s_type target_name[] =
    111 {
    112     NAME_VAL(GNSS_NONE),
    113     NAME_VAL(GNSS_MSM),
    114     NAME_VAL(GNSS_GSS),
    115     NAME_VAL(GNSS_MDM),
    116     NAME_VAL(GNSS_QCA1530),
    117     NAME_VAL(GNSS_AUTO),
    118     NAME_VAL(GNSS_UNKNOWN)
    119 };
    120 
    121 static int target_name_num = sizeof(target_name)/sizeof(loc_name_val_s_type);
    122 
    123 /*===========================================================================
    124 
    125 FUNCTION loc_get_target_name
    126 
    127 DESCRIPTION
    128    Returns pointer to a string that contains name of the target
    129 
    130    XX:XX:XX.000\0
    131 
    132 RETURN VALUE
    133    The target name string
    134 
    135 ===========================================================================*/
    136 const char *loc_get_target_name(unsigned int target)
    137 {
    138     int index = 0;
    139     static char ret[BUFFER_SIZE];
    140 
    141     index =  getTargetGnssType(target);
    142     if( index >= target_name_num || index < 0)
    143         index = target_name_num - 1;
    144 
    145     if( (target & HAS_SSC) == HAS_SSC ) {
    146         snprintf(ret, sizeof(ret), " %s with SSC",
    147            loc_get_name_from_val(target_name, target_name_num, (long)index) );
    148     }
    149     else {
    150        snprintf(ret, sizeof(ret), " %s  without SSC",
    151            loc_get_name_from_val(target_name, target_name_num, (long)index) );
    152     }
    153     return ret;
    154 }
    155 
    156 
    157 /*===========================================================================
    158 
    159 FUNCTION loc_get_time
    160 
    161 DESCRIPTION
    162    Logs a callback event header.
    163    The pointer time_string should point to a buffer of at least 13 bytes:
    164 
    165    XX:XX:XX.000\0
    166 
    167 RETURN VALUE
    168    The time string
    169 
    170 ===========================================================================*/
    171 char *loc_get_time(char *time_string, unsigned long buf_size)
    172 {
    173    struct timeval now;     /* sec and usec     */
    174    struct tm now_tm;       /* broken-down time */
    175    char hms_string[80];    /* HH:MM:SS         */
    176 
    177    gettimeofday(&now, NULL);
    178    localtime_r(&now.tv_sec, &now_tm);
    179 
    180    strftime(hms_string, sizeof hms_string, "%H:%M:%S", &now_tm);
    181    snprintf(time_string, buf_size, "%s.%03d", hms_string, (int) (now.tv_usec / 1000));
    182 
    183    return time_string;
    184 }
    185 
    186 
    187 /*===========================================================================
    188 FUNCTION loc_logger_init
    189 
    190 DESCRIPTION
    191    Initializes the state of DEBUG_LEVEL and TIMESTAMP
    192 
    193 DEPENDENCIES
    194    N/A
    195 
    196 RETURN VALUE
    197    None
    198 
    199 SIDE EFFECTS
    200    N/A
    201 ===========================================================================*/
    202 void loc_logger_init(unsigned long debug, unsigned long timestamp)
    203 {
    204    loc_logger.DEBUG_LEVEL = debug;
    205 #ifdef TARGET_BUILD_VARIANT_USER
    206    // force user builds to 2 or less
    207    if (loc_logger.DEBUG_LEVEL > 2) {
    208        loc_logger.DEBUG_LEVEL = 2;
    209    }
    210 #endif
    211    loc_logger.TIMESTAMP   = timestamp;
    212 }
    213 
    214 
    215 /*===========================================================================
    216 FUNCTION get_timestamp
    217 
    218 DESCRIPTION
    219    Generates a timestamp using the current system time
    220 
    221 DEPENDENCIES
    222    N/A
    223 
    224 RETURN VALUE
    225    Char pointer to the parameter str
    226 
    227 SIDE EFFECTS
    228    N/A
    229 ===========================================================================*/
    230 char * get_timestamp(char *str, unsigned long buf_size)
    231 {
    232   struct timeval tv;
    233   struct timezone tz;
    234   int hh, mm, ss;
    235   gettimeofday(&tv, &tz);
    236   hh = tv.tv_sec/3600%24;
    237   mm = (tv.tv_sec%3600)/60;
    238   ss = tv.tv_sec%60;
    239   snprintf(str, buf_size, "%02d:%02d:%02d.%06ld", hh, mm, ss, tv.tv_usec);
    240   return str;
    241 }
    242 
    243