diff options
author | Jelmer Vernooij <jelmer@samba.org> | 2008-10-11 21:05:38 +0200 |
---|---|---|
committer | Jelmer Vernooij <jelmer@samba.org> | 2008-10-11 21:05:38 +0200 |
commit | caa4e428604780bb098060f7286c69d30c8b4007 (patch) | |
tree | be6ca91d7ba94b888343b21482bc83f8e25bcccb /source4/lib/util/debug.c | |
parent | 4604ca430294d8d9a522dd29705e7a7a1c969304 (diff) | |
download | samba-caa4e428604780bb098060f7286c69d30c8b4007.tar.gz samba-caa4e428604780bb098060f7286c69d30c8b4007.tar.bz2 samba-caa4e428604780bb098060f7286c69d30c8b4007.zip |
Move lib/util from source4 to top-level libutil.
Conflicts:
source4/Makefile
Diffstat (limited to 'source4/lib/util/debug.c')
-rw-r--r-- | source4/lib/util/debug.c | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/source4/lib/util/debug.c b/source4/lib/util/debug.c deleted file mode 100644 index b6edb908c7..0000000000 --- a/source4/lib/util/debug.c +++ /dev/null @@ -1,248 +0,0 @@ -/* - Unix SMB/CIFS implementation. - Samba debug functions - Copyright (C) Andrew Tridgell 2003 - Copyright (C) James J Myers 2003 - - 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 3 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, see <http://www.gnu.org/licenses/>. -*/ - -#include "includes.h" -#include "system/filesys.h" -#include "system/time.h" -#include "dynconfig/dynconfig.h" - -/** - * @file - * @brief Debug logging - **/ - -/** - * this global variable determines what messages are printed - */ -int _debug_level = 0; -_PUBLIC_ int *debug_level = &_debug_level; -int *DEBUGLEVEL_CLASS = NULL; /* For samba 3 */ - -/* the registered mutex handlers */ -static struct { - const char *name; - struct debug_ops ops; -} debug_handlers; - -/* state variables for the debug system */ -static struct { - int fd; - enum debug_logtype logtype; - const char *prog_name; -} state; - -static bool reopen_logs_scheduled; -static bool check_reopen_logs(void) -{ - if (state.fd == 0 || reopen_logs_scheduled) { - reopen_logs_scheduled = false; - reopen_logs(); - } - - if (state.fd <= 0) - return false; - - return true; -} - -_PUBLIC_ void debug_schedule_reopen_logs(void) -{ - reopen_logs_scheduled = true; -} - -static void log_timestring(int level, const char *location, const char *func) -{ - char *t = NULL; - char *s = NULL; - - if (!check_reopen_logs()) return; - - if (state.logtype != DEBUG_FILE) return; - - t = timestring(NULL, time(NULL)); - if (!t) return; - - asprintf(&s, "[%s, %d %s:%s()]\n", t, level, location, func); - talloc_free(t); - if (!s) return; - - write(state.fd, s, strlen(s)); - free(s); -} - -/** - the backend for debug messages. Note that the DEBUG() macro has already - ensured that the log level has been met before this is called -*/ -_PUBLIC_ void dbghdr(int level, const char *location, const char *func) -{ - log_timestring(level, location, func); - log_task_id(); -} - - -_PUBLIC_ void dbghdrclass(int level, int class, const char *location, const char *func) -{ - /* Simple wrapper, Samba 4 doesn't do debug classes */ - dbghdr(level, location, func); -} - -/** - the backend for debug messages. Note that the DEBUG() macro has already - ensured that the log level has been met before this is called - - @note You should never have to call this function directly. Call the DEBUG() - macro instead. -*/ -_PUBLIC_ void dbgtext(const char *format, ...) -{ - va_list ap; - char *s = NULL; - - if (!check_reopen_logs()) return; - - va_start(ap, format); - vasprintf(&s, format, ap); - va_end(ap); - - write(state.fd, s, strlen(s)); - free(s); -} - -_PUBLIC_ const char *logfile = NULL; - -/** - reopen the log file (usually called because the log file name might have changed) -*/ -_PUBLIC_ void reopen_logs(void) -{ - char *fname = NULL; - int old_fd = state.fd; - - switch (state.logtype) { - case DEBUG_STDOUT: - state.fd = 1; - break; - - case DEBUG_STDERR: - state.fd = 2; - break; - - case DEBUG_FILE: - if (logfile && (*logfile) == '/') { - fname = strdup(logfile); - } else { - asprintf(&fname, "%s/%s.log", dyn_LOGFILEBASE, state.prog_name); - } - if (fname) { - int newfd = open(fname, O_CREAT|O_APPEND|O_WRONLY, 0600); - if (newfd == -1) { - DEBUG(1, ("Failed to open new logfile: %s\n", fname)); - old_fd = -1; - } else { - state.fd = newfd; - } - free(fname); - } else { - DEBUG(1, ("Failed to find name for file-based logfile!\n")); - } - - break; - } - - if (old_fd > 2) { - close(old_fd); - } -} - -/** - control the name of the logfile and whether logging will be to stdout, stderr - or a file -*/ -_PUBLIC_ void setup_logging(const char *prog_name, enum debug_logtype new_logtype) -{ - if (state.logtype < new_logtype) { - state.logtype = new_logtype; - } - if (prog_name) { - state.prog_name = prog_name; - } - reopen_logs(); -} - -/** - return a string constant containing n tabs - no more than 10 tabs are returned -*/ -_PUBLIC_ const char *do_debug_tab(int n) -{ - const char *tabs[] = {"", "\t", "\t\t", "\t\t\t", "\t\t\t\t", "\t\t\t\t\t", - "\t\t\t\t\t\t", "\t\t\t\t\t\t\t", "\t\t\t\t\t\t\t\t", - "\t\t\t\t\t\t\t\t\t", "\t\t\t\t\t\t\t\t\t\t"}; - return tabs[MIN(n, 10)]; -} - - -/** - log suspicious usage - print comments and backtrace -*/ -_PUBLIC_ void log_suspicious_usage(const char *from, const char *info) -{ - if (!debug_handlers.ops.log_suspicious_usage) return; - - debug_handlers.ops.log_suspicious_usage(from, info); -} - - -/** - print suspicious usage - print comments and backtrace -*/ -_PUBLIC_ void print_suspicious_usage(const char* from, const char* info) -{ - if (!debug_handlers.ops.print_suspicious_usage) return; - - debug_handlers.ops.print_suspicious_usage(from, info); -} - -_PUBLIC_ uint32_t get_task_id(void) -{ - if (debug_handlers.ops.get_task_id) { - return debug_handlers.ops.get_task_id(); - } - return getpid(); -} - -_PUBLIC_ void log_task_id(void) -{ - if (!debug_handlers.ops.log_task_id) return; - - if (!check_reopen_logs()) return; - - debug_handlers.ops.log_task_id(state.fd); -} - -/** - register a set of debug handlers. -*/ -_PUBLIC_ void register_debug_handlers(const char *name, struct debug_ops *ops) -{ - debug_handlers.name = name; - debug_handlers.ops = *ops; -} |