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      1 /* Copyright (c) 2011-2014 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 #ifndef __LOG_UTIL_H__
     31 #define __LOG_UTIL_H__
     32 
     33 #ifndef USE_GLIB
     34 #include <utils/Log.h>
     35 #endif /* USE_GLIB */
     36 
     37 #ifdef USE_GLIB
     38 
     39 #include <stdio.h>
     40 #include <sys/types.h>
     41 #include <unistd.h>
     42 
     43 #ifndef LOG_TAG
     44 #define LOG_TAG "GPS_UTILS"
     45 
     46 #endif  // LOG_TAG
     47 
     48 #endif /* USE_GLIB */
     49 
     50 #ifdef __cplusplus
     51 extern "C"
     52 {
     53 #endif
     54 /*=============================================================================
     55  *
     56  *                         LOC LOGGER TYPE DECLARATION
     57  *
     58  *============================================================================*/
     59 /* LOC LOGGER */
     60 typedef struct loc_logger_s
     61 {
     62   unsigned long  DEBUG_LEVEL;
     63   unsigned long  TIMESTAMP;
     64 } loc_logger_s_type;
     65 
     66 /*=============================================================================
     67  *
     68  *                               EXTERNAL DATA
     69  *
     70  *============================================================================*/
     71 extern loc_logger_s_type loc_logger;
     72 
     73 // Logging Improvements
     74 extern const char *loc_logger_boolStr[];
     75 
     76 extern const char *boolStr[];
     77 extern const char VOID_RET[];
     78 extern const char FROM_AFW[];
     79 extern const char TO_MODEM[];
     80 extern const char FROM_MODEM[];
     81 extern const char TO_AFW[];
     82 extern const char EXIT_TAG[];
     83 extern const char ENTRY_TAG[];
     84 extern const char EXIT_ERROR_TAG[];
     85 
     86 /*=============================================================================
     87  *
     88  *                        MODULE EXPORTED FUNCTIONS
     89  *
     90  *============================================================================*/
     91 extern void loc_logger_init(unsigned long debug, unsigned long timestamp);
     92 extern char* get_timestamp(char* str, unsigned long buf_size);
     93 
     94 #ifndef DEBUG_DMN_LOC_API
     95 
     96 /* LOGGING MACROS */
     97 /*loc_logger.DEBUG_LEVEL is initialized to 0xff in loc_cfg.cpp
     98   if that value remains unchanged, it means gps.conf did not
     99   provide a value and we default to the initial value to use
    100   Android's logging levels*/
    101 #define IF_LOC_LOGE if((loc_logger.DEBUG_LEVEL >= 1) && (loc_logger.DEBUG_LEVEL <= 5))
    102 
    103 #define IF_LOC_LOGW if((loc_logger.DEBUG_LEVEL >= 2) && (loc_logger.DEBUG_LEVEL <= 5))
    104 
    105 #define IF_LOC_LOGI if((loc_logger.DEBUG_LEVEL >= 3) && (loc_logger.DEBUG_LEVEL <= 5))
    106 
    107 #define IF_LOC_LOGD if((loc_logger.DEBUG_LEVEL >= 4) && (loc_logger.DEBUG_LEVEL <= 5))
    108 
    109 #define IF_LOC_LOGV if((loc_logger.DEBUG_LEVEL >= 5) && (loc_logger.DEBUG_LEVEL <= 5))
    110 
    111 #define LOC_LOGE(...) \
    112 IF_LOC_LOGE { ALOGE("E/" __VA_ARGS__); } \
    113 else if (loc_logger.DEBUG_LEVEL == 0xff) { ALOGE("E/" __VA_ARGS__); }
    114 
    115 #define LOC_LOGW(...) \
    116 IF_LOC_LOGW { ALOGE("W/" __VA_ARGS__); }  \
    117 else if (loc_logger.DEBUG_LEVEL == 0xff) { ALOGW("W/" __VA_ARGS__); }
    118 
    119 #define LOC_LOGI(...) \
    120 IF_LOC_LOGI { ALOGE("I/" __VA_ARGS__); }   \
    121 else if (loc_logger.DEBUG_LEVEL == 0xff) { ALOGI("I/" __VA_ARGS__); }
    122 
    123 #define LOC_LOGD(...) \
    124 IF_LOC_LOGD { ALOGE("D/" __VA_ARGS__); }   \
    125 else if (loc_logger.DEBUG_LEVEL == 0xff) { ALOGD("D/" __VA_ARGS__); }
    126 
    127 #define LOC_LOGV(...) \
    128 IF_LOC_LOGV { ALOGE("V/" __VA_ARGS__); }   \
    129 else if (loc_logger.DEBUG_LEVEL == 0xff) { ALOGV("V/" __VA_ARGS__); }
    130 
    131 #else /* DEBUG_DMN_LOC_API */
    132 
    133 #define LOC_LOGE(...) ALOGE("E/" __VA_ARGS__)
    134 
    135 #define LOC_LOGW(...) ALOGW("W/" __VA_ARGS__)
    136 
    137 #define LOC_LOGI(...) ALOGI("I/" __VA_ARGS__)
    138 
    139 #define LOC_LOGD(...) ALOGD("D/" __VA_ARGS__)
    140 
    141 #define LOC_LOGV(...) ALOGV("V/" __VA_ARGS__)
    142 
    143 #endif /* DEBUG_DMN_LOC_API */
    144 
    145 /*=============================================================================
    146  *
    147  *                          LOGGING IMPROVEMENT MACROS
    148  *
    149  *============================================================================*/
    150 #define LOG_(LOC_LOG, ID, WHAT, SPEC, VAL)                                    \
    151     do {                                                                      \
    152         if (loc_logger.TIMESTAMP) {                                           \
    153             char ts[32];                                                      \
    154             LOC_LOG("[%s] %s %s line %d " #SPEC,                              \
    155                      get_timestamp(ts, sizeof(ts)), ID, WHAT, __LINE__, VAL); \
    156         } else {                                                              \
    157             LOC_LOG("%s %s line %d " #SPEC,                                   \
    158                      ID, WHAT, __LINE__, VAL);                                \
    159         }                                                                     \
    160     } while(0)
    161 
    162 #define LOC_LOG_HEAD(tag,fmt) "%s:%d][" tag "] " fmt "\n"
    163 #define LOC_LOGv(tag,fmt,...) LOC_LOGV(LOC_LOG_HEAD(tag,fmt), __func__, __LINE__, ##__VA_ARGS__)
    164 #define LOC_LOGw(tag,fmt,...) LOC_LOGW(LOC_LOG_HEAD(tag,fmt), __func__, __LINE__, ##__VA_ARGS__)
    165 #define LOC_LOGd(tag,fmt,...) LOC_LOGD(LOC_LOG_HEAD(tag,fmt), __func__, __LINE__, ##__VA_ARGS__)
    166 #define LOC_LOGe(tag,fmt,...) LOC_LOGE(LOC_LOG_HEAD(tag,fmt), __func__, __LINE__, ##__VA_ARGS__)
    167 
    168 #define LOG_I(ID, WHAT, SPEC, VAL) LOG_(LOC_LOGI, ID, WHAT, SPEC, VAL)
    169 #define LOG_V(ID, WHAT, SPEC, VAL) LOG_(LOC_LOGV, ID, WHAT, SPEC, VAL)
    170 #define LOG_E(ID, WHAT, SPEC, VAL) LOG_(LOC_LOGE, ID, WHAT, SPEC, VAL)
    171 
    172 #define ENTRY_LOG() LOG_V(ENTRY_TAG, __func__, %s, "")
    173 #define EXIT_LOG(SPEC, VAL) LOG_V(EXIT_TAG, __func__, SPEC, VAL)
    174 #define EXIT_LOG_WITH_ERROR(SPEC, VAL)                       \
    175     if (VAL != 0) {                                          \
    176         LOG_E(EXIT_ERROR_TAG, __func__, SPEC, VAL);          \
    177     } else {                                                 \
    178         LOG_V(EXIT_TAG, __func__, SPEC, VAL);                \
    179     }
    180 
    181 
    182 // Used for logging callflow from Android Framework
    183 #define ENTRY_LOG_CALLFLOW() LOG_I(FROM_AFW, __func__, %s, "")
    184 // Used for logging callflow to Modem
    185 #define EXIT_LOG_CALLFLOW(SPEC, VAL) LOG_I(TO_MODEM, __func__, SPEC, VAL)
    186 // Used for logging callflow from Modem(TO_MODEM, __func__, %s, "")
    187 #define MODEM_LOG_CALLFLOW(SPEC, VAL) LOG_I(FROM_MODEM, __func__, SPEC, VAL)
    188 // Used for logging callflow to Android Framework
    189 #define CALLBACK_LOG_CALLFLOW(CB, SPEC, VAL) LOG_I(TO_AFW, CB, SPEC, VAL)
    190 
    191 #ifdef __cplusplus
    192 }
    193 #endif
    194 
    195 #endif // __LOG_UTIL_H__
    196