2 Unix SMB/CIFS implementation.
4 Copyright (C) Andrew Tridgell 2003
5 Copyright (C) James J Myers 2003
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include "system/filesys.h"
24 #include "system/time.h"
25 #include "dynconfig.h"
29 * @brief Debug logging
32 /* this global variable determines what messages are printed */
36 /* the registered mutex handlers */
42 /* state variables for the debug system */
45 enum debug_logtype logtype;
46 const char *prog_name;
49 static void log_timestring(int level, const char *location, const char *func)
54 if (state.logtype != DEBUG_FILE) return;
56 t = timestring(NULL, time(NULL));
59 asprintf(&s, "[%s, %d %s:%s()]\n", t, level, location, func);
63 write(state.fd, s, strlen(s));
68 the backend for debug messages. Note that the DEBUG() macro has already
69 ensured that the log level has been met before this is called
71 void do_debug_header(int level, const char *location, const char *func)
73 log_timestring(level, location, func);
78 the backend for debug messages. Note that the DEBUG() macro has already
79 ensured that the log level has been met before this is called
81 void do_debug(const char *format, ...) _PRINTF_ATTRIBUTE(1,2)
90 if (state.fd <= 0) return;
93 vasprintf(&s, format, ap);
96 write(state.fd, s, strlen(s));
102 reopen the log file (usually called because the log file name might have changed)
104 void reopen_logs(void)
106 const char *logfile = lp_logfile();
108 int old_fd = state.fd;
110 switch (state.logtype) {
120 if ((*logfile) == '/') {
121 fname = strdup(logfile);
123 asprintf(&fname, "%s/%s.log", dyn_LOGFILEBASE, state.prog_name);
126 int newfd = open(fname, O_CREAT|O_APPEND|O_WRONLY, 0600);
128 DEBUG(1, ("Failed to open new logfile: %s\n", fname));
134 DEBUG(1, ("Failed to find name for file-based logfile!\n"));
147 control the name of the logfile and whether logging will be to stdout, stderr
150 void setup_logging(const char *prog_name, enum debug_logtype new_logtype)
152 if (state.logtype < new_logtype) {
153 state.logtype = new_logtype;
156 state.prog_name = prog_name;
162 return a string constant containing n tabs
163 no more than 10 tabs are returned
165 const char *do_debug_tab(uint_t n)
167 const char *tabs[] = {"", "\t", "\t\t", "\t\t\t", "\t\t\t\t", "\t\t\t\t\t",
168 "\t\t\t\t\t\t", "\t\t\t\t\t\t\t", "\t\t\t\t\t\t\t\t",
169 "\t\t\t\t\t\t\t\t\t", "\t\t\t\t\t\t\t\t\t\t"};
170 return tabs[MIN(n, 10)];
175 log suspicious usage - print comments and backtrace
177 void log_suspicious_usage(const char *from, const char *info)
179 if (debug_handlers.ops.log_suspicious_usage) {
180 debug_handlers.ops.log_suspicious_usage(from, info);
186 print suspicious usage - print comments and backtrace
189 void print_suspicious_usage(const char* from, const char* info)
191 if (debug_handlers.ops.print_suspicious_usage) {
192 debug_handlers.ops.print_suspicious_usage(from, info);
196 uint32_t get_task_id(void)
198 if (debug_handlers.ops.get_task_id) {
199 return debug_handlers.ops.get_task_id();
204 void log_task_id(void)
206 if (debug_handlers.ops.log_task_id) {
207 debug_handlers.ops.log_task_id(state.fd);
212 register a set of debug handlers.
214 void register_debug_handlers(const char *name, struct debug_ops *ops)
216 debug_handlers.name = name;
217 debug_handlers.ops = *ops;