Benny Prijono | 9033e31 | 2005-11-21 02:08:39 +0000 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C)2003-2006 Benny Prijono <benny@prijono.org> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | #include <pj/types.h> |
| 20 | #include <pj/log.h> |
| 21 | #include <pj/string.h> |
| 22 | #include <pj/os.h> |
| 23 | #include <pj/compat/vsprintf.h> |
| 24 | #include <pj/compat/stdarg.h> |
| 25 | |
| 26 | #if PJ_LOG_MAX_LEVEL >= 1 |
| 27 | |
| 28 | static int log_max_level = PJ_LOG_MAX_LEVEL; |
| 29 | static pj_log_func *log_writer = &pj_log_write; |
| 30 | static unsigned log_decor = PJ_LOG_HAS_TIME | PJ_LOG_HAS_MICRO_SEC | |
| 31 | PJ_LOG_HAS_SENDER | PJ_LOG_HAS_NEWLINE; |
| 32 | |
| 33 | #if PJ_LOG_USE_STACK_BUFFER==0 |
| 34 | static char log_buffer[PJ_LOG_MAX_SIZE]; |
| 35 | #endif |
| 36 | |
| 37 | PJ_DEF(void) pj_log_set_decor(unsigned decor) |
| 38 | { |
| 39 | log_decor = decor; |
| 40 | } |
| 41 | |
| 42 | PJ_DEF(unsigned) pj_log_get_decor(void) |
| 43 | { |
| 44 | return log_decor; |
| 45 | } |
| 46 | |
| 47 | PJ_DEF(void) pj_log_set_level(int level) |
| 48 | { |
| 49 | log_max_level = level; |
| 50 | } |
| 51 | |
| 52 | PJ_DEF(int) pj_log_get_level(void) |
| 53 | { |
| 54 | return log_max_level; |
| 55 | } |
| 56 | |
| 57 | PJ_DEF(void) pj_log_set_log_func( pj_log_func *func ) |
| 58 | { |
| 59 | log_writer = func; |
| 60 | } |
| 61 | |
| 62 | PJ_DEF(pj_log_func*) pj_log_get_log_func(void) |
| 63 | { |
| 64 | return log_writer; |
| 65 | } |
| 66 | |
| 67 | PJ_DEF(void) pj_log( const char *sender, int level, |
| 68 | const char *format, va_list marker) |
| 69 | { |
| 70 | pj_time_val now; |
| 71 | pj_parsed_time ptime; |
| 72 | char *pre; |
| 73 | #if PJ_LOG_USE_STACK_BUFFER |
| 74 | char log_buffer[PJ_LOG_MAX_SIZE]; |
| 75 | #endif |
| 76 | int len; |
| 77 | |
| 78 | PJ_CHECK_STACK(); |
| 79 | |
| 80 | if (level > log_max_level) |
| 81 | return; |
| 82 | |
| 83 | /* Get current date/time. */ |
| 84 | pj_gettimeofday(&now); |
| 85 | pj_time_decode(&now, &ptime); |
| 86 | |
| 87 | pre = log_buffer; |
| 88 | if (log_decor & PJ_LOG_HAS_DAY_NAME) { |
| 89 | static const char *wdays[] = { "Sun", "Mon", "Tue", "Wed", |
| 90 | "Thu", "Fri", "Sat"}; |
| 91 | strcpy(pre, wdays[ptime.wday]); |
| 92 | pre += 3; |
| 93 | } |
| 94 | if (log_decor & PJ_LOG_HAS_YEAR) { |
| 95 | *pre++ = ' '; |
| 96 | pre += pj_utoa(ptime.year, pre); |
| 97 | } |
| 98 | if (log_decor & PJ_LOG_HAS_MONTH) { |
| 99 | *pre++ = '-'; |
| 100 | pre += pj_utoa_pad(ptime.mon, pre, 2, '0'); |
| 101 | } |
| 102 | if (log_decor & PJ_LOG_HAS_DAY_OF_MON) { |
| 103 | *pre++ = ' '; |
| 104 | pre += pj_utoa_pad(ptime.day, pre, 2, '0'); |
| 105 | } |
| 106 | if (log_decor & PJ_LOG_HAS_TIME) { |
| 107 | *pre++ = ' '; |
| 108 | pre += pj_utoa_pad(ptime.hour, pre, 2, '0'); |
| 109 | *pre++ = ':'; |
| 110 | pre += pj_utoa_pad(ptime.min, pre, 2, '0'); |
| 111 | *pre++ = ':'; |
| 112 | pre += pj_utoa_pad(ptime.sec, pre, 2, '0'); |
| 113 | } |
| 114 | if (log_decor & PJ_LOG_HAS_MICRO_SEC) { |
| 115 | *pre++ = '.'; |
| 116 | pre += pj_utoa_pad(ptime.msec, pre, 3, '0'); |
| 117 | } |
| 118 | if (log_decor & PJ_LOG_HAS_SENDER) { |
| 119 | enum { SENDER_WIDTH = 12 }; |
| 120 | int sender_len = strlen(sender); |
| 121 | *pre++ = ' '; |
| 122 | if (sender_len <= SENDER_WIDTH) { |
| 123 | while (sender_len < SENDER_WIDTH) |
| 124 | *pre++ = ' ', ++sender_len; |
| 125 | while (*sender) |
| 126 | *pre++ = *sender++; |
| 127 | } else { |
| 128 | int i; |
| 129 | for (i=0; i<SENDER_WIDTH; ++i) |
| 130 | *pre++ = *sender++; |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | if (log_decor != 0 && log_decor != PJ_LOG_HAS_NEWLINE) |
| 135 | *pre++ = ' '; |
| 136 | |
| 137 | len = pre - log_buffer; |
| 138 | |
| 139 | /* Print the whole message to the string log_buffer. */ |
| 140 | len = len + vsnprintf(pre, sizeof(log_buffer)-len, format, marker); |
| 141 | if (len > 0 && len < sizeof(log_buffer)-1) { |
| 142 | if (log_decor & PJ_LOG_HAS_NEWLINE) { |
| 143 | log_buffer[len++] = '\n'; |
| 144 | } |
| 145 | log_buffer[len++] = '\0'; |
| 146 | } else { |
| 147 | len = sizeof(log_buffer)-1; |
| 148 | if (log_decor & PJ_LOG_HAS_NEWLINE) { |
| 149 | log_buffer[sizeof(log_buffer)-2] = '\n'; |
| 150 | } |
| 151 | log_buffer[sizeof(log_buffer)-1] = '\0'; |
| 152 | } |
| 153 | |
| 154 | if (log_writer) |
| 155 | (*log_writer)(level, log_buffer, len); |
| 156 | } |
| 157 | |
| 158 | PJ_DEF(void) pj_log_0(const char *obj, const char *format, ...) |
| 159 | { |
| 160 | va_list arg; |
| 161 | va_start(arg, format); |
| 162 | pj_log(obj, 0, format, arg); |
| 163 | va_end(arg); |
| 164 | } |
| 165 | |
| 166 | PJ_DEF(void) pj_log_1(const char *obj, const char *format, ...) |
| 167 | { |
| 168 | va_list arg; |
| 169 | va_start(arg, format); |
| 170 | pj_log(obj, 1, format, arg); |
| 171 | va_end(arg); |
| 172 | } |
| 173 | #endif /* PJ_LOG_MAX_LEVEL >= 1 */ |
| 174 | |
| 175 | #if PJ_LOG_MAX_LEVEL >= 2 |
| 176 | PJ_DEF(void) pj_log_2(const char *obj, const char *format, ...) |
| 177 | { |
| 178 | va_list arg; |
| 179 | va_start(arg, format); |
| 180 | pj_log(obj, 2, format, arg); |
| 181 | va_end(arg); |
| 182 | } |
| 183 | #endif |
| 184 | |
| 185 | #if PJ_LOG_MAX_LEVEL >= 3 |
| 186 | PJ_DEF(void) pj_log_3(const char *obj, const char *format, ...) |
| 187 | { |
| 188 | va_list arg; |
| 189 | va_start(arg, format); |
| 190 | pj_log(obj, 3, format, arg); |
| 191 | va_end(arg); |
| 192 | } |
| 193 | #endif |
| 194 | |
| 195 | #if PJ_LOG_MAX_LEVEL >= 4 |
| 196 | PJ_DEF(void) pj_log_4(const char *obj, const char *format, ...) |
| 197 | { |
| 198 | va_list arg; |
| 199 | va_start(arg, format); |
| 200 | pj_log(obj, 4, format, arg); |
| 201 | va_end(arg); |
| 202 | } |
| 203 | #endif |
| 204 | |
| 205 | #if PJ_LOG_MAX_LEVEL >= 5 |
| 206 | PJ_DEF(void) pj_log_5(const char *obj, const char *format, ...) |
| 207 | { |
| 208 | va_list arg; |
| 209 | va_start(arg, format); |
| 210 | pj_log(obj, 5, format, arg); |
| 211 | va_end(arg); |
| 212 | } |
| 213 | #endif |
| 214 | |
| 215 | #if PJ_LOG_MAX_LEVEL >= 6 |
| 216 | PJ_DEF(void) pj_log_6(const char *obj, const char *format, ...) |
| 217 | { |
| 218 | va_list arg; |
| 219 | va_start(arg, format); |
| 220 | pj_log(obj, 6, format, arg); |
| 221 | va_end(arg); |
| 222 | } |
| 223 | #endif |
| 224 | |