diff options
Diffstat (limited to 'src/shared/libosmocore/src/logging.c')
-rw-r--r-- | src/shared/libosmocore/src/logging.c | 419 |
1 files changed, 0 insertions, 419 deletions
diff --git a/src/shared/libosmocore/src/logging.c b/src/shared/libosmocore/src/logging.c deleted file mode 100644 index 1dc30db3..00000000 --- a/src/shared/libosmocore/src/logging.c +++ /dev/null @@ -1,419 +0,0 @@ -/* Debugging/Logging support code */ - -/* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org> - * (C) 2008 by Holger Hans Peter Freyther <zecke@selfish.org> - * All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - */ - -#include "../config.h" - -#include <stdarg.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> - -#ifdef HAVE_STRINGS_H -#include <strings.h> -#endif -#include <time.h> -#include <errno.h> - -#include <osmocore/talloc.h> -#include <osmocore/utils.h> -#include <osmocore/logging.h> - -const struct log_info *osmo_log_info; - -static struct log_context log_context; -static void *tall_log_ctx = NULL; -static LLIST_HEAD(target_list); - -static const struct value_string loglevel_strs[] = { - { 0, "EVERYTHING" }, - { LOGL_DEBUG, "DEBUG" }, - { LOGL_INFO, "INFO" }, - { LOGL_NOTICE, "NOTICE" }, - { LOGL_ERROR, "ERROR" }, - { LOGL_FATAL, "FATAL" }, - { 0, NULL }, -}; - -int log_parse_level(const char *lvl) -{ - return get_string_value(loglevel_strs, lvl); -} - -const char *log_level_str(unsigned int lvl) -{ - return get_value_string(loglevel_strs, lvl); -} - -int log_parse_category(const char *category) -{ - int i; - - for (i = 0; i < osmo_log_info->num_cat; ++i) { - if (!strcasecmp(osmo_log_info->cat[i].name+1, category)) - return i; - } - - return -EINVAL; -} - -/* - * Parse the category mask. - * The format can be this: category1:category2:category3 - * or category1,2:category2,3:... - */ -void log_parse_category_mask(struct log_target* target, const char *_mask) -{ - int i = 0; - char *mask = strdup(_mask); - char *category_token = NULL; - - /* Disable everything to enable it afterwards */ - for (i = 0; i < ARRAY_SIZE(target->categories); ++i) - target->categories[i].enabled = 0; - - category_token = strtok(mask, ":"); - do { - for (i = 0; i < osmo_log_info->num_cat; ++i) { - char* colon = strstr(category_token, ","); - int length = strlen(category_token); - - if (colon) - length = colon - category_token; - - if (strncasecmp(osmo_log_info->cat[i].name, - category_token, length) == 0) { - int level = 0; - - if (colon) - level = atoi(colon+1); - - target->categories[i].enabled = 1; - target->categories[i].loglevel = level; - } - } - } while ((category_token = strtok(NULL, ":"))); - - free(mask); -} - -static const char* color(int subsys) -{ - if (subsys < osmo_log_info->num_cat) - return osmo_log_info->cat[subsys].color; - - return NULL; -} - -static void _output(struct log_target *target, unsigned int subsys, - char *file, int line, int cont, const char *format, - va_list ap) -{ - char col[30]; - char sub[30]; - char tim[30]; - char buf[4096]; - char final[4096]; - - /* prepare the data */ - col[0] = '\0'; - sub[0] = '\0'; - tim[0] = '\0'; - buf[0] = '\0'; - - /* are we using color */ - if (target->use_color) { - const char *c = color(subsys); - if (c) { - snprintf(col, sizeof(col), "%s", color(subsys)); - col[sizeof(col)-1] = '\0'; - } - } - vsnprintf(buf, sizeof(buf), format, ap); - buf[sizeof(buf)-1] = '\0'; - - if (!cont) { - if (target->print_timestamp) { - char *timestr; - time_t tm; - tm = time(NULL); - timestr = ctime(&tm); - timestr[strlen(timestr)-1] = '\0'; - snprintf(tim, sizeof(tim), "%s ", timestr); - tim[sizeof(tim)-1] = '\0'; - } - snprintf(sub, sizeof(sub), "<%4.4x> %s:%d ", subsys, file, line); - sub[sizeof(sub)-1] = '\0'; - } - - snprintf(final, sizeof(final), "%s%s%s%s\033[0;m", col, tim, sub, buf); - final[sizeof(final)-1] = '\0'; - target->output(target, final); -} - - -static void _logp(unsigned int subsys, int level, char *file, int line, - int cont, const char *format, va_list ap) -{ - struct log_target *tar; - - llist_for_each_entry(tar, &target_list, entry) { - struct log_category *category; - int output = 0; - - category = &tar->categories[subsys]; - /* subsystem is not supposed to be logged */ - if (!category->enabled) - continue; - - /* Check the global log level */ - if (tar->loglevel != 0 && level < tar->loglevel) - continue; - - /* Check the category log level */ - if (tar->loglevel == 0 && category->loglevel != 0 && - level < category->loglevel) - continue; - - /* Apply filters here... if that becomes messy we will - * need to put filters in a list and each filter will - * say stop, continue, output */ - if ((tar->filter_map & LOG_FILTER_ALL) != 0) - output = 1; - else if (osmo_log_info->filter_fn) - output = osmo_log_info->filter_fn(&log_context, - tar); - - if (output) { - /* FIXME: copying the va_list is an ugly - * workaround against a bug hidden somewhere in - * _output. If we do not copy here, the first - * call to _output() will corrupt the va_list - * contents, and any further _output() calls - * with the same va_list will segfault */ - va_list bp; - va_copy(bp, ap); - _output(tar, subsys, file, line, cont, format, bp); - va_end(bp); - } - } -} - -void logp(unsigned int subsys, char *file, int line, int cont, - const char *format, ...) -{ - va_list ap; - - va_start(ap, format); - _logp(subsys, LOGL_DEBUG, file, line, cont, format, ap); - va_end(ap); -} - -void logp2(unsigned int subsys, unsigned int level, char *file, int line, int cont, const char *format, ...) -{ - va_list ap; - - va_start(ap, format); - _logp(subsys, level, file, line, cont, format, ap); - va_end(ap); -} - -static char hexd_buff[4096]; - -char *hexdump(const unsigned char *buf, int len) -{ - int i; - char *cur = hexd_buff; - - hexd_buff[0] = 0; - for (i = 0; i < len; i++) { - int len_remain = sizeof(hexd_buff) - (cur - hexd_buff); - int rc = snprintf(cur, len_remain, "%02x ", buf[i]); - if (rc <= 0) - break; - cur += rc; - } - hexd_buff[sizeof(hexd_buff)-1] = 0; - return hexd_buff; -} - -void log_add_target(struct log_target *target) -{ - llist_add_tail(&target->entry, &target_list); -} - -void log_del_target(struct log_target *target) -{ - llist_del(&target->entry); -} - -void log_reset_context(void) -{ - memset(&log_context, 0, sizeof(log_context)); -} - -int log_set_context(uint8_t ctx_nr, void *value) -{ - if (ctx_nr > LOG_MAX_CTX) - return -EINVAL; - - log_context.ctx[ctx_nr] = value; - - return 0; -} - -void log_set_all_filter(struct log_target *target, int all) -{ - if (all) - target->filter_map |= LOG_FILTER_ALL; - else - target->filter_map &= ~LOG_FILTER_ALL; -} - -void log_set_use_color(struct log_target *target, int use_color) -{ - target->use_color = use_color; -} - -void log_set_print_timestamp(struct log_target *target, int print_timestamp) -{ - target->print_timestamp = print_timestamp; -} - -void log_set_log_level(struct log_target *target, int log_level) -{ - target->loglevel = log_level; -} - -void log_set_category_filter(struct log_target *target, int category, - int enable, int level) -{ - if (category >= osmo_log_info->num_cat) - return; - target->categories[category].enabled = !!enable; - target->categories[category].loglevel = level; -} - -/* since C89/C99 says stderr is a macro, we can safely do this! */ -#ifdef stderr -static void _stderr_output(struct log_target *target, const char *log) -{ - fprintf(target->tgt_stdout.out, "%s", log); - fflush(target->tgt_stdout.out); -} -#endif - -struct log_target *log_target_create(void) -{ - struct log_target *target; - unsigned int i; - - target = talloc_zero(tall_log_ctx, struct log_target); - if (!target) - return NULL; - - INIT_LLIST_HEAD(&target->entry); - - /* initialize the per-category enabled/loglevel from defaults */ - for (i = 0; i < osmo_log_info->num_cat; i++) { - struct log_category *cat = &target->categories[i]; - cat->enabled = osmo_log_info->cat[i].enabled; - cat->loglevel = osmo_log_info->cat[i].loglevel; - } - - /* global settings */ - target->use_color = 1; - target->print_timestamp = 0; - - /* global log level */ - target->loglevel = 0; - return target; -} - -struct log_target *log_target_create_stderr(void) -{ -/* since C89/C99 says stderr is a macro, we can safely do this! */ -#ifdef stderr - struct log_target *target; - - target = log_target_create(); - if (!target) - return NULL; - - target->tgt_stdout.out = stderr; - target->output = _stderr_output; - return target; -#else - return NULL; -#endif /* stderr */ -} - -const char *log_vty_level_string(struct log_info *info) -{ - const struct value_string *vs; - unsigned int len = 3; /* ()\0 */ - char *str; - - for (vs = loglevel_strs; vs->value || vs->str; vs++) - len += strlen(vs->str) + 1; - - str = talloc_zero_size(NULL, len); - if (!str) - return NULL; - - str[0] = '('; - for (vs = loglevel_strs; vs->value || vs->str; vs++) { - strcat(str, vs->str); - strcat(str, "|"); - } - str[strlen(str)-1] = ')'; - - return str; -} - -const char *log_vty_category_string(struct log_info *info) -{ - unsigned int len = 3; /* "()\0" */ - unsigned int i; - char *str; - - for (i = 0; i < info->num_cat; i++) - len += strlen(info->cat[i].name) + 1; - - str = talloc_zero_size(NULL, len); - if (!str) - return NULL; - - str[0] = '('; - for (i = 0; i < info->num_cat; i++) { - strcat(str, info->cat[i].name+1); - strcat(str, "|"); - } - str[strlen(str)-1] = ')'; - - return str; -} - -void log_init(const struct log_info *cat) -{ - tall_log_ctx = talloc_named_const(NULL, 1, "logging"); - osmo_log_info = cat; -} |