Coding guidelines stuff only.
[asterisk/asterisk.git] / cdr / cdr_manager.c
1 /*
2  * Asterisk -- An open source telephony toolkit.
3  *
4  * Copyright (C) 2004 - 2005
5  *
6  * See http://www.asterisk.org for more information about
7  * the Asterisk project. Please do not directly contact
8  * any of the maintainers of this project for assistance;
9  * the project provides a web site, mailing lists and IRC
10  * channels for your use.
11  *
12  * This program is free software, distributed under the terms of
13  * the GNU General Public License Version 2. See the LICENSE file
14  * at the top of the source tree.
15  */
16
17 /*! \file
18  *
19  * \brief Asterisk Call Manager CDR records.
20  * 
21  * See also
22  * \arg \ref AstCDR
23  * \arg \ref AstAMI
24  * \arg \ref Config_ami
25  * \ingroup cdr_drivers
26  */
27
28 #include "asterisk.h"
29
30 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
31
32 #include <time.h>
33
34 #include "asterisk/channel.h"
35 #include "asterisk/cdr.h"
36 #include "asterisk/module.h"
37 #include "asterisk/utils.h"
38 #include "asterisk/manager.h"
39 #include "asterisk/config.h"
40 #include "asterisk/pbx.h"
41
42 #define DATE_FORMAT     "%Y-%m-%d %T"
43 #define CONF_FILE       "cdr_manager.conf"
44 #define CUSTOM_FIELDS_BUF_SIZE 1024
45
46 static char *name = "cdr_manager";
47
48 static int enablecdr = 0;
49 struct ast_str *customfields;
50
51 static int manager_log(struct ast_cdr *cdr);
52
53 static int load_config(int reload)
54 {
55         char *cat = NULL;
56         struct ast_config *cfg;
57         struct ast_variable *v;
58         struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
59         int newenablecdr = 0;
60
61         cfg = ast_config_load(CONF_FILE, config_flags);
62         if (cfg == CONFIG_STATUS_FILEUNCHANGED)
63                 return 0;
64
65         if (reload && customfields) {
66                 ast_free(customfields);
67         }
68         customfields = NULL;
69
70         if (!cfg) {
71                 /* Standard configuration */
72                 ast_log(LOG_WARNING, "Failed to load configuration file. Module not activated.\n");
73                 if (enablecdr)
74                         ast_cdr_unregister(name);
75                 enablecdr = 0;
76                 return 0;
77         }
78         
79         while ( (cat = ast_category_browse(cfg, cat)) ) {
80                 if (!strcasecmp(cat, "general")) {
81                         v = ast_variable_browse(cfg, cat);
82                         while (v) {
83                                 if (!strcasecmp(v->name, "enabled"))
84                                         newenablecdr = ast_true(v->value);
85                                 
86                                 v = v->next;
87                         }
88                 } else if (!strcasecmp(cat, "mappings")) {
89                         customfields = ast_str_create(CUSTOM_FIELDS_BUF_SIZE);
90                         v = ast_variable_browse(cfg, cat);
91                         while (v) {
92                                 if (customfields && !ast_strlen_zero(v->name) && !ast_strlen_zero(v->value)) {
93                                         if( (customfields->used + strlen(v->value) + strlen(v->name) + 14) < customfields->len) {
94                                                 ast_str_append(&customfields, -1, "%s: ${CDR(%s)}\r\n", v->value, v->name);
95                                                 ast_log(LOG_NOTICE, "Added mapping %s: ${CDR(%s)}\n", v->value, v->name);
96                                         } else {
97                                                 ast_log(LOG_WARNING, "No more buffer space to add other custom fields\n");
98                                                 break;
99                                         }
100                                         
101                                 }
102                                 v = v->next;
103                         }
104                 }
105         }
106         
107         ast_config_destroy(cfg);
108
109         if (enablecdr && !newenablecdr)
110                 ast_cdr_unregister(name);
111         else if (!enablecdr && newenablecdr)
112                 ast_cdr_register(name, "Asterisk Manager Interface CDR Backend", manager_log);
113         enablecdr = newenablecdr;
114
115         return 1;
116 }
117
118 static int manager_log(struct ast_cdr *cdr)
119 {
120         struct ast_tm timeresult;
121         char strStartTime[80] = "";
122         char strAnswerTime[80] = "";
123         char strEndTime[80] = "";
124         char buf[CUSTOM_FIELDS_BUF_SIZE];
125         struct ast_channel dummy;
126
127         if (!enablecdr)
128                 return 0;
129
130         ast_localtime(&cdr->start, &timeresult, NULL);
131         ast_strftime(strStartTime, sizeof(strStartTime), DATE_FORMAT, &timeresult);
132         
133         if (cdr->answer.tv_sec) {
134                 ast_localtime(&cdr->answer, &timeresult, NULL);
135                 ast_strftime(strAnswerTime, sizeof(strAnswerTime), DATE_FORMAT, &timeresult);
136         }
137
138         ast_localtime(&cdr->end, &timeresult, NULL);
139         ast_strftime(strEndTime, sizeof(strEndTime), DATE_FORMAT, &timeresult);
140
141         buf[0] = 0;
142         /* Custom fields handling */
143         if (customfields != NULL && customfields->used > 0) {
144                 memset(&dummy, 0, sizeof(dummy));
145                 dummy.cdr = cdr;
146                 pbx_substitute_variables_helper(&dummy, customfields->str, buf, sizeof(buf) - 1);
147         }
148
149         manager_event(EVENT_FLAG_CDR, "Cdr",
150             "AccountCode: %s\r\n"
151             "Source: %s\r\n"
152             "Destination: %s\r\n"
153             "DestinationContext: %s\r\n"
154             "CallerID: %s\r\n"
155             "Channel: %s\r\n"
156             "DestinationChannel: %s\r\n"
157             "LastApplication: %s\r\n"
158             "LastData: %s\r\n"
159             "StartTime: %s\r\n"
160             "AnswerTime: %s\r\n"
161             "EndTime: %s\r\n"
162             "Duration: %ld\r\n"
163             "BillableSeconds: %ld\r\n"
164             "Disposition: %s\r\n"
165             "AMAFlags: %s\r\n"
166             "UniqueID: %s\r\n"
167             "UserField: %s\r\n"
168             "%s",
169             cdr->accountcode, cdr->src, cdr->dst, cdr->dcontext, cdr->clid, cdr->channel,
170             cdr->dstchannel, cdr->lastapp, cdr->lastdata, strStartTime, strAnswerTime, strEndTime,
171             cdr->duration, cdr->billsec, ast_cdr_disp2str(cdr->disposition),
172             ast_cdr_flags2str(cdr->amaflags), cdr->uniqueid, cdr->userfield,buf);
173
174         return 0;
175 }
176
177 static int unload_module(void)
178 {
179         ast_cdr_unregister(name);
180         if (customfields)
181                 ast_free(customfields);
182
183         return 0;
184 }
185
186 static int load_module(void)
187 {
188         /* Configuration file */
189         if (!load_config(0))
190                 return AST_MODULE_LOAD_DECLINE;
191
192         return AST_MODULE_LOAD_SUCCESS;
193 }
194
195 static int reload(void)
196 {
197         return load_config(1);
198 }
199
200 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Asterisk Manager Interface CDR Backend",
201                 .load = load_module,
202                 .unload = unload_module,
203                 .reload = reload,
204                );