2 * Asterisk -- A telephony toolkit for Linux.
4 * Comma Separated Value CDR records.
6 * Copyright (C) 1999 - 2005, Digium, inc
8 * Mark Spencer <markster@digium.com>
10 * This program is free software, distributed under the terms of
11 * the GNU General Public License.
13 * Includes code and algorithms from the Zapata library.
17 #include <sys/types.h>
18 #include <asterisk/channel.h>
19 #include <asterisk/cdr.h>
20 #include <asterisk/module.h>
21 #include <asterisk/config.h>
22 #include <asterisk/pbx.h>
23 #include <asterisk/logger.h>
24 #include <asterisk/utils.h>
25 #include "../asterisk.h"
26 #include "../astconf.h"
28 #define CUSTOM_LOG_DIR "/cdr_custom"
30 #define DATE_FORMAT "%Y-%m-%d %T"
40 AST_MUTEX_DEFINE_STATIC(lock);
42 static char *desc = "Customizable Comma Separated Values CDR Backend";
44 static char *name = "cdr-custom";
46 static FILE *mf = NULL;
48 static char master[AST_CONFIG_MAX_PATH];
49 static char format[1024]="";
51 static int load_config(int reload)
53 struct ast_config *cfg;
54 struct ast_variable *var;
59 if((cfg = ast_config_load("cdr_custom.conf"))) {
60 var = ast_variable_browse(cfg, "mappings");
62 ast_mutex_lock(&lock);
63 if (!ast_strlen_zero(var->name) && !ast_strlen_zero(var->value)) {
64 strncpy(format, var->value, sizeof(format) - 2);
66 snprintf(master, sizeof(master),"%s/%s/%s", ast_config_AST_LOG_DIR, name, var->name);
67 ast_mutex_unlock(&lock);
69 ast_log(LOG_NOTICE, "Mapping must have both filename and format at line %d\n", var->lineno);
71 ast_log(LOG_NOTICE, "Sorry, only one mapping is supported at this time, mapping '%s' will be ignored at line %d.\n", var->next->name, var->next->lineno);
74 ast_config_destroy(cfg);
82 static int custom_log(struct ast_cdr *cdr)
84 /* Make sure we have a big enough buf */
86 struct ast_channel dummy;
88 /* Abort if no master file is specified */
89 if (ast_strlen_zero(master))
92 memset(buf, 0 , sizeof(buf));
93 /* Quite possibly the first use of a static struct ast_channel, we need it so the var funcs will work */
94 memset(&dummy, 0, sizeof(dummy));
96 pbx_substitute_variables_helper(&dummy, format, buf, sizeof(buf) - 1);
98 /* because of the absolutely unconditional need for the
99 highest reliability possible in writing billing records,
100 we open write and close the log file each time */
101 mf = fopen(master, "a");
103 ast_log(LOG_ERROR, "Unable to re-open master file %s : %s\n", master, strerror(errno));
107 fflush(mf); /* be particularly anal here */
114 char *description(void)
119 int unload_module(void)
123 ast_cdr_unregister(name);
127 int load_module(void)
131 res = load_config(0);
133 res = ast_cdr_register(name, desc, custom_log);
135 ast_log(LOG_ERROR, "Unable to register custom CDR handling\n");
144 return load_config(1);
154 return ASTERISK_GPL_KEY;