comparison: ucx/logging.c
ucx/logging.c
- changeset 81
- 86a23238d8a1
- parent 80
- 0125e4089f88
- child 82
- 6068d965328b
equal
deleted
inserted
replaced
| 80:0125e4089f88 | 81:86a23238d8a1 |
|---|---|
| 1 #include "logging.h" | 1 #include "logging.h" |
| 2 #include <stdlib.h> | 2 #include <stdlib.h> |
| 3 #include <string.h> | 3 #include <string.h> |
| 4 #include <stdarg.h> | |
| 4 | 5 |
| 5 UcxLogger *ucx_logger_new(FILE *stream, unsigned int level, unsigned int mask) { | 6 UcxLogger *ucx_logger_new(FILE *stream, unsigned int level, unsigned int mask) { |
| 6 UcxLogger *logger = (UcxLogger*) malloc(sizeof(UcxLogger)); | 7 UcxLogger *logger = (UcxLogger*) malloc(sizeof(UcxLogger)); |
| 7 if (logger != NULL) { | 8 if (logger != NULL) { |
| 8 logger->stream = stream; | 9 logger->stream = stream; |
| 10 logger->writer = fwrite; | |
| 9 logger->level = level; | 11 logger->level = level; |
| 10 logger->mask = mask; | 12 logger->mask = mask; |
| 11 logger->levels = ucx_map_new(8); | 13 logger->levels = ucx_map_new(8); |
| 12 | 14 |
| 13 unsigned int l; | 15 unsigned int l; |
| 27 void ucx_logger_free(UcxLogger *logger) { | 29 void ucx_logger_free(UcxLogger *logger) { |
| 28 ucx_map_free(logger->levels); | 30 ucx_map_free(logger->levels); |
| 29 free(logger); | 31 free(logger); |
| 30 } | 32 } |
| 31 | 33 |
| 32 void ucx_logger_log(UcxLogger *logger, unsigned int level, | 34 void ucx_logger_setoutput(UcxLogger *logger, FILE *stream, |
| 33 const sstr_t message, const char* file, const unsigned int line) { | 35 size_t(*writer)(const void*,size_t,size_t,FILE*)) { |
| 36 if (stream) { | |
| 37 logger->stream = stream; | |
| 38 } | |
| 39 if (writer) { | |
| 40 logger->writer = writer; | |
| 41 } | |
| 42 } | |
| 43 | |
| 44 void ucx_logger_logf(UcxLogger *logger, unsigned int level, const char* file, | |
| 45 const unsigned int line, const char *format, ...) { | |
| 34 if (level <= logger->level) { | 46 if (level <= logger->level) { |
| 35 size_t n = message.length; | 47 const size_t max = 4096; // estimated maximum message length |
| 36 if ((logger->mask & UCX_LOGGER_SOURCE) > 0) { | 48 char msg[max]; |
| 37 n += strlen(file); | 49 char *text; |
| 38 n += 10; // line | 50 size_t k = 0; |
| 39 } | 51 size_t n; |
| 40 // TODO: add k bytes for timestamp | |
| 41 n += 16; // extra space for fill characters (:, -, etc.) | |
| 42 | |
| 43 char msg[n]; | |
| 44 off_t k = 0; | |
| 45 | 52 |
| 46 if ((logger->mask & UCX_LOGGER_LEVEL) > 0) { | 53 if ((logger->mask & UCX_LOGGER_LEVEL) > 0) { |
| 47 k += sprintf(msg+k, "%s ", (char*) | 54 text = (char*) ucx_map_int_get(logger->levels, level); |
| 48 ucx_map_int_get(logger->levels, level)); | 55 n = strlen(text); |
| 56 memcpy(msg+k, text, n); | |
| 57 k += n; | |
| 58 msg[k++] = ' '; | |
| 49 } | 59 } |
| 50 // TODO: timestamp | 60 // TODO: timestamp |
| 51 if ((logger->mask & UCX_LOGGER_SOURCE) > 0) { | 61 if ((logger->mask & UCX_LOGGER_SOURCE) > 0) { |
| 52 k += sprintf(msg+k, "%s:%d ", file, line); | 62 n = strlen(file); |
| 63 memcpy(msg+k, file, n); | |
| 64 k += n; | |
| 65 k += sprintf(msg+k, ":%d ", line); | |
| 53 } | 66 } |
| 54 | 67 |
| 55 msg[k++] = '-'; msg[k++] = ' '; msg[k] = 0; | 68 msg[k++] = '-'; msg[k++] = ' '; |
| 56 strncat(msg, message.ptr, message.length); | 69 |
| 57 k += message.length; | 70 va_list args; |
| 71 va_start (args, format); | |
| 72 k += vsnprintf(msg+k, max-k-1, format, args); | |
| 73 va_end (args); | |
| 74 | |
| 58 msg[k++] = '\n'; | 75 msg[k++] = '\n'; |
| 59 | 76 |
| 60 fwrite(msg, 1, k, logger->stream); | 77 logger->writer(msg, 1, k, logger->stream); |
| 61 fflush(logger->stream); | 78 fflush(logger->stream); |
| 62 } | 79 } |
| 63 } | 80 } |
