1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
25 #include "configuration.h"
35 static FILE* log_output
;
38 static void *privData
;
39 static logCallback callback
;
41 void log_setCallback(logCallback c
, void *p
)
47 static char *log_strings
[4] =
55 void log_printf(enum log_levels level
, const char *file
, int line
, const char *function
, const char *format
, ...)
62 if (level
> debug_level
)
65 va_start(args
, format
);
66 vsnprintf(buffer
, 512, format
, args
);
68 char *f
=strrchr(file
, '/');
72 fprintf(log_output
, "%s %d %d %s:%d %s(): %s\n", log_strings
[level
], count
, time(NULL
), file
, line
, function
, buffer
);
77 /* Never forward LOG_DEBUG, too verbose and they can be found in the log if need be */
78 if (callback
&&(level
<=LOG_INFO
))
81 va_start(args
, format
);
83 callback(privData
, file
, line
, function
, format
, args
);
90 /* change the current debug level on the fly
93 * 2: + INFORMATIONAL MSGS
96 int handle_debug_level_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
99 command_print(cmd_ctx
, "debug_level: %i", debug_level
);
102 debug_level
= strtoul(args
[0], NULL
, 0);
113 int handle_log_output_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
117 FILE* file
= fopen(args
[0], "w");
128 int log_register_commands(struct command_context_s
*cmd_ctx
)
130 register_command(cmd_ctx
, NULL
, "log_output", handle_log_output_command
,
131 COMMAND_ANY
, "redirect logging to <file> (default: stderr)");
132 register_command(cmd_ctx
, NULL
, "debug_level", handle_debug_level_command
,
133 COMMAND_ANY
, "adjust debug level <0-3>");
138 int log_init(struct command_context_s
*cmd_ctx
)
140 /* set defaults for daemon configuration, if not set by cmdline or cfgfile */
141 if (debug_level
== -1)
142 debug_level
= LOG_INFO
;
144 if (log_output
== NULL
)
152 int set_log_output(struct command_context_s
*cmd_ctx
, FILE *output
)
158 /* return allocated string w/printf() result */
159 char *allocPrintf(const char *fmt
, va_list ap
)
162 int size
=0; // start by 0 to exercise all the code paths. Need minimum 2 bytes to fit 1 char and 0 terminator.
166 if ((string
==NULL
)||(!first
))
170 string
=realloc(string
, size
);
180 ret
= vsnprintf(string
, size
, fmt
, ap
);
181 // NB! The result of the vsnprintf() might be an *EMPTY* string!
182 if ((ret
>=0)&&((ret
+1)<size
))
186 // there was just enough or not enough space, allocate more.
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