diff options
Diffstat (limited to 'lib/src/util/log.c')
| -rw-r--r-- | lib/src/util/log.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/lib/src/util/log.c b/lib/src/util/log.c new file mode 100644 index 000000000..c1fc999ad --- /dev/null +++ b/lib/src/util/log.c @@ -0,0 +1,178 @@ +/* + * Copyright (c) 2017-2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <hicn/util/log.h> + +#include <stdarg.h> +#include <stdlib.h> +#include <stdio.h> + +#ifdef __ANDROID__ +#include <android/log.h> +#endif + +log_conf_t log_conf = DEFAULT_LOG_CONF; + +#define FMT_DATETIME "%02d-%02d-%04d %02d:%02d:%02d" +#define FMT_DATETIME_LEN 20 +#define snprintf_nowarn(...) (snprintf(__VA_ARGS__) < 0 ? abort() : (void)0) + + +static char ts[FMT_DATETIME_LEN]; + +static char *timestamp(void) +{ + time_t tv; + struct tm *tm; + + time(&tv); + tm = localtime(&tv); + + snprintf_nowarn(ts, FMT_DATETIME_LEN, FMT_DATETIME, tm->tm_mday, + tm->tm_mon + 1, tm->tm_year + 1900, tm->tm_hour, tm->tm_min, + tm->tm_sec); + return ts; +} + +void _log_va(int level, const char *fmt, va_list ap) +{ + +#if 0 + if (!conf.log_system) + return; +#endif + + char *prefix; + +#ifdef __ANDROID__ + int prio = -1; + if (level > log_conf.log_level) + return; + + switch (level) { + case LOG_FATAL: + prio = ANDROID_LOG_FATAL; + prefix = "FATAL: "; + break; + case LOG_ERROR: + prio = ANDROID_LOG_ERROR; + prefix = "ERROR: "; + break; + case LOG_WARN: + prio = ANDROID_LOG_WARN; + prefix = "WARNING: "; + break; + case LOG_INFO: + prio = ANDROID_LOG_INFO; + prefix = ""; + break; + case LOG_DEBUG: + prio = ANDROID_LOG_DEBUG; + prefix = "DEBUG: "; + break; + case LOG_TRACE: + prio = ANDROID_LOG_DEBUG; + prefix = "TRACE: "; + break; + default: + prio = ANDROID_LOG_INFO; + prefix = ""; + break; + } + + if (log_conf.log_file) { + FILE *f = log_conf.log_file; + fprintf(f, "%s %s", timestamp(), prefix); + vfprintf(f, fmt, ap); + fprintf(f, "\n"); + } else { + __android_log_vprint(ANDROID_LOG_INFO, "HICN FACEMGR", fmt, ap); + } + +#else + + if (level > log_conf.log_level) + return; + + switch (level) { + case LOG_FATAL: + prefix = "FATAL: "; + break; + case LOG_ERROR: + prefix = "ERROR: "; + break; + case LOG_WARN: + prefix = "WARNING: "; + break; + case LOG_INFO: + prefix = ""; + break; + case LOG_DEBUG: + prefix = "DEBUG: "; + break; + case LOG_TRACE: + prefix = "TRACE: "; + break; + default: + prefix = ""; + break; + } + FILE *f = log_conf.log_file ? log_conf.log_file : stdout; + fprintf(f, "%s %s", timestamp(), prefix); + vfprintf(f, fmt, ap); + fprintf(f, "\n"); +#ifdef DEBUG + fflush(f); +#endif +#endif +} + +void _log(int level, const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + _log_va(level, fmt, ap); + va_end(ap); +} + +#ifdef HAVE_BACKTRACE +#include <execinfo.h> + +void print_trace(void) +{ + void *array[32]; + size_t size; + + size = backtrace(array, 32); + fflush(conf.log_file); + backtrace_symbols_fd(array, size, fileno(conf.log_file)); +} +#endif + +void fatal(char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + _log_va(LOG_FATAL, fmt, ap); + va_end(ap); + +#ifdef HAVE_BACKTRACE + print_trace(); +#endif + + exit(200); +} |